Sebastian Redl | 904c9c8 | 2010-08-18 23:57:11 +0000 | [diff] [blame] | 1 | //===--- ASTReader.cpp - AST File Reader ------------------------*- C++ -*-===// |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 10 | // This file defines the ASTReader class, which reads AST files. |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
Chris Lattner | 4c6f952 | 2009-04-27 05:14:47 +0000 | [diff] [blame] | 13 | |
Sebastian Redl | 6ab7cd8 | 2010-08-18 23:57:17 +0000 | [diff] [blame] | 14 | #include "clang/Serialization/ASTReader.h" |
| 15 | #include "clang/Serialization/ASTDeserializationListener.h" |
Argyrios Kyrtzidis | 0eca89e | 2010-08-20 16:03:52 +0000 | [diff] [blame] | 16 | #include "ASTCommon.h" |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 17 | #include "clang/Frontend/FrontendDiagnostic.h" |
Daniel Dunbar | c716293 | 2009-11-11 23:58:53 +0000 | [diff] [blame] | 18 | #include "clang/Frontend/Utils.h" |
Douglas Gregor | e737f50 | 2010-08-12 20:07:10 +0000 | [diff] [blame] | 19 | #include "clang/Sema/Sema.h" |
John McCall | 5f1e094 | 2010-08-24 08:50:51 +0000 | [diff] [blame] | 20 | #include "clang/Sema/Scope.h" |
Douglas Gregor | fdd0172 | 2009-04-14 00:24:19 +0000 | [diff] [blame] | 21 | #include "clang/AST/ASTConsumer.h" |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 22 | #include "clang/AST/ASTContext.h" |
John McCall | 2a7fb27 | 2010-08-25 05:32:35 +0000 | [diff] [blame] | 23 | #include "clang/AST/DeclTemplate.h" |
Douglas Gregor | 0b74891 | 2009-04-14 21:18:50 +0000 | [diff] [blame] | 24 | #include "clang/AST/Expr.h" |
John McCall | 7a1fad3 | 2010-08-24 07:32:53 +0000 | [diff] [blame] | 25 | #include "clang/AST/ExprCXX.h" |
Douglas Gregor | 5f791bb | 2011-02-28 23:58:31 +0000 | [diff] [blame] | 26 | #include "clang/AST/NestedNameSpecifier.h" |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 27 | #include "clang/AST/Type.h" |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 28 | #include "clang/AST/TypeLocVisitor.h" |
Chris Lattner | 42d42b5 | 2009-04-10 21:41:48 +0000 | [diff] [blame] | 29 | #include "clang/Lex/MacroInfo.h" |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 30 | #include "clang/Lex/PreprocessingRecord.h" |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 31 | #include "clang/Lex/Preprocessor.h" |
Steve Naroff | 83d63c7 | 2009-04-24 20:03:17 +0000 | [diff] [blame] | 32 | #include "clang/Lex/HeaderSearch.h" |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 33 | #include "clang/Basic/OnDiskHashTable.h" |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 34 | #include "clang/Basic/SourceManager.h" |
Douglas Gregor | bd94500 | 2009-04-13 16:31:14 +0000 | [diff] [blame] | 35 | #include "clang/Basic/SourceManagerInternals.h" |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 36 | #include "clang/Basic/FileManager.h" |
Chris Lattner | 10e286a | 2010-11-23 19:19:34 +0000 | [diff] [blame] | 37 | #include "clang/Basic/FileSystemStatCache.h" |
Douglas Gregor | 2bec041 | 2009-04-10 21:16:55 +0000 | [diff] [blame] | 38 | #include "clang/Basic/TargetInfo.h" |
Douglas Gregor | 445e23e | 2009-10-05 21:07:28 +0000 | [diff] [blame] | 39 | #include "clang/Basic/Version.h" |
Douglas Gregor | 0a0d2b1 | 2011-03-23 00:50:03 +0000 | [diff] [blame] | 40 | #include "clang/Basic/VersionTuple.h" |
Daniel Dunbar | 2596e42 | 2009-10-17 23:52:28 +0000 | [diff] [blame] | 41 | #include "llvm/ADT/StringExtras.h" |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 42 | #include "llvm/Bitcode/BitstreamReader.h" |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 43 | #include "llvm/Support/MemoryBuffer.h" |
John McCall | 833ca99 | 2009-10-29 08:12:44 +0000 | [diff] [blame] | 44 | #include "llvm/Support/ErrorHandling.h" |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 45 | #include "llvm/Support/FileSystem.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 46 | #include "llvm/Support/Path.h" |
Michael J. Spencer | 3a321e2 | 2010-12-09 17:36:38 +0000 | [diff] [blame] | 47 | #include "llvm/Support/system_error.h" |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 48 | #include <algorithm> |
Douglas Gregor | e721f95 | 2009-04-28 18:58:38 +0000 | [diff] [blame] | 49 | #include <iterator> |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 50 | #include <cstdio> |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 51 | #include <sys/stat.h> |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 52 | #include <iostream> |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 53 | |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 54 | using namespace clang; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 55 | using namespace clang::serialization; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 56 | |
| 57 | //===----------------------------------------------------------------------===// |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 58 | // PCH validator implementation |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 59 | //===----------------------------------------------------------------------===// |
| 60 | |
Sebastian Redl | 571db7f | 2010-08-18 23:56:56 +0000 | [diff] [blame] | 61 | ASTReaderListener::~ASTReaderListener() {} |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 62 | |
| 63 | bool |
| 64 | PCHValidator::ReadLanguageOptions(const LangOptions &LangOpts) { |
| 65 | const LangOptions &PPLangOpts = PP.getLangOptions(); |
| 66 | #define PARSE_LANGOPT_BENIGN(Option) |
| 67 | #define PARSE_LANGOPT_IMPORTANT(Option, DiagID) \ |
| 68 | if (PPLangOpts.Option != LangOpts.Option) { \ |
| 69 | Reader.Diag(DiagID) << LangOpts.Option << PPLangOpts.Option; \ |
| 70 | return true; \ |
| 71 | } |
| 72 | |
| 73 | PARSE_LANGOPT_BENIGN(Trigraphs); |
| 74 | PARSE_LANGOPT_BENIGN(BCPLComment); |
| 75 | PARSE_LANGOPT_BENIGN(DollarIdents); |
| 76 | PARSE_LANGOPT_BENIGN(AsmPreprocessor); |
| 77 | PARSE_LANGOPT_IMPORTANT(GNUMode, diag::warn_pch_gnu_extensions); |
Chandler Carruth | eb5d7b7 | 2010-04-17 20:17:31 +0000 | [diff] [blame] | 78 | PARSE_LANGOPT_IMPORTANT(GNUKeywords, diag::warn_pch_gnu_keywords); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 79 | PARSE_LANGOPT_BENIGN(ImplicitInt); |
| 80 | PARSE_LANGOPT_BENIGN(Digraphs); |
| 81 | PARSE_LANGOPT_BENIGN(HexFloats); |
| 82 | PARSE_LANGOPT_IMPORTANT(C99, diag::warn_pch_c99); |
Peter Collingbourne | 7e7fbd0 | 2011-04-15 00:35:23 +0000 | [diff] [blame] | 83 | PARSE_LANGOPT_IMPORTANT(C1X, diag::warn_pch_c1x); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 84 | PARSE_LANGOPT_IMPORTANT(Microsoft, diag::warn_pch_microsoft_extensions); |
Michael J. Spencer | dae4ac4 | 2010-10-21 05:21:48 +0000 | [diff] [blame] | 85 | PARSE_LANGOPT_BENIGN(MSCVersion); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 86 | PARSE_LANGOPT_IMPORTANT(CPlusPlus, diag::warn_pch_cplusplus); |
| 87 | PARSE_LANGOPT_IMPORTANT(CPlusPlus0x, diag::warn_pch_cplusplus0x); |
| 88 | PARSE_LANGOPT_BENIGN(CXXOperatorName); |
| 89 | PARSE_LANGOPT_IMPORTANT(ObjC1, diag::warn_pch_objective_c); |
| 90 | PARSE_LANGOPT_IMPORTANT(ObjC2, diag::warn_pch_objective_c2); |
| 91 | PARSE_LANGOPT_IMPORTANT(ObjCNonFragileABI, diag::warn_pch_nonfragile_abi); |
Fariborz Jahanian | 412e798 | 2010-02-09 19:31:38 +0000 | [diff] [blame] | 92 | PARSE_LANGOPT_IMPORTANT(ObjCNonFragileABI2, diag::warn_pch_nonfragile_abi2); |
Fariborz Jahanian | f84109e | 2011-01-07 18:59:25 +0000 | [diff] [blame] | 93 | PARSE_LANGOPT_IMPORTANT(AppleKext, diag::warn_pch_apple_kext); |
Ted Kremenek | c32647d | 2010-12-23 21:35:43 +0000 | [diff] [blame] | 94 | PARSE_LANGOPT_IMPORTANT(ObjCDefaultSynthProperties, |
| 95 | diag::warn_pch_objc_auto_properties); |
Douglas Gregor | 74da19f | 2011-06-14 23:20:43 +0000 | [diff] [blame] | 96 | PARSE_LANGOPT_BENIGN(ObjCInferRelatedResultType) |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 97 | PARSE_LANGOPT_IMPORTANT(NoConstantCFStrings, |
Fariborz Jahanian | 4c9d8d0 | 2010-04-22 21:01:59 +0000 | [diff] [blame] | 98 | diag::warn_pch_no_constant_cfstrings); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 99 | PARSE_LANGOPT_BENIGN(PascalStrings); |
| 100 | PARSE_LANGOPT_BENIGN(WritableStrings); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 101 | PARSE_LANGOPT_IMPORTANT(LaxVectorConversions, |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 102 | diag::warn_pch_lax_vector_conversions); |
Nate Begeman | 69cfb9b | 2009-06-25 22:57:40 +0000 | [diff] [blame] | 103 | PARSE_LANGOPT_IMPORTANT(AltiVec, diag::warn_pch_altivec); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 104 | PARSE_LANGOPT_IMPORTANT(Exceptions, diag::warn_pch_exceptions); |
Anders Carlsson | da4b7cf | 2011-02-19 23:53:54 +0000 | [diff] [blame] | 105 | PARSE_LANGOPT_IMPORTANT(ObjCExceptions, diag::warn_pch_objc_exceptions); |
Anders Carlsson | 7da99b0 | 2011-02-23 03:04:54 +0000 | [diff] [blame] | 106 | PARSE_LANGOPT_IMPORTANT(CXXExceptions, diag::warn_pch_cxx_exceptions); |
| 107 | PARSE_LANGOPT_IMPORTANT(SjLjExceptions, diag::warn_pch_sjlj_exceptions); |
Douglas Gregor | 6f75550 | 2011-02-01 15:15:22 +0000 | [diff] [blame] | 108 | PARSE_LANGOPT_IMPORTANT(MSBitfields, diag::warn_pch_ms_bitfields); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 109 | PARSE_LANGOPT_IMPORTANT(NeXTRuntime, diag::warn_pch_objc_runtime); |
| 110 | PARSE_LANGOPT_IMPORTANT(Freestanding, diag::warn_pch_freestanding); |
| 111 | PARSE_LANGOPT_IMPORTANT(NoBuiltin, diag::warn_pch_builtins); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 112 | PARSE_LANGOPT_IMPORTANT(ThreadsafeStatics, |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 113 | diag::warn_pch_thread_safe_statics); |
Daniel Dunbar | 5345c39 | 2009-09-03 04:54:28 +0000 | [diff] [blame] | 114 | PARSE_LANGOPT_IMPORTANT(POSIXThreads, diag::warn_pch_posix_threads); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 115 | PARSE_LANGOPT_IMPORTANT(Blocks, diag::warn_pch_blocks); |
| 116 | PARSE_LANGOPT_BENIGN(EmitAllDecls); |
| 117 | PARSE_LANGOPT_IMPORTANT(MathErrno, diag::warn_pch_math_errno); |
Chris Lattner | a4d7145 | 2010-06-26 21:25:03 +0000 | [diff] [blame] | 118 | PARSE_LANGOPT_BENIGN(getSignedOverflowBehavior()); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 119 | PARSE_LANGOPT_IMPORTANT(HeinousExtensions, |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 120 | diag::warn_pch_heinous_extensions); |
| 121 | // FIXME: Most of the options below are benign if the macro wasn't |
| 122 | // used. Unfortunately, this means that a PCH compiled without |
| 123 | // optimization can't be used with optimization turned on, even |
| 124 | // though the only thing that changes is whether __OPTIMIZE__ was |
| 125 | // defined... but if __OPTIMIZE__ never showed up in the header, it |
| 126 | // doesn't matter. We could consider making this some special kind |
| 127 | // of check. |
| 128 | PARSE_LANGOPT_IMPORTANT(Optimize, diag::warn_pch_optimize); |
| 129 | PARSE_LANGOPT_IMPORTANT(OptimizeSize, diag::warn_pch_optimize_size); |
| 130 | PARSE_LANGOPT_IMPORTANT(Static, diag::warn_pch_static); |
| 131 | PARSE_LANGOPT_IMPORTANT(PICLevel, diag::warn_pch_pic_level); |
| 132 | PARSE_LANGOPT_IMPORTANT(GNUInline, diag::warn_pch_gnu_inline); |
| 133 | PARSE_LANGOPT_IMPORTANT(NoInline, diag::warn_pch_no_inline); |
Chandler Carruth | 0d2d1bc | 2011-04-23 20:05:38 +0000 | [diff] [blame] | 134 | PARSE_LANGOPT_IMPORTANT(Deprecated, diag::warn_pch_deprecated); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 135 | PARSE_LANGOPT_IMPORTANT(AccessControl, diag::warn_pch_access_control); |
| 136 | PARSE_LANGOPT_IMPORTANT(CharIsSigned, diag::warn_pch_char_signed); |
John Thompson | a6fda12 | 2009-11-05 20:14:16 +0000 | [diff] [blame] | 137 | PARSE_LANGOPT_IMPORTANT(ShortWChar, diag::warn_pch_short_wchar); |
Argyrios Kyrtzidis | 9a2b9d7 | 2010-10-08 00:25:19 +0000 | [diff] [blame] | 138 | PARSE_LANGOPT_IMPORTANT(ShortEnums, diag::warn_pch_short_enums); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 139 | if ((PPLangOpts.getGCMode() != 0) != (LangOpts.getGCMode() != 0)) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 140 | Reader.Diag(diag::warn_pch_gc_mode) |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 141 | << LangOpts.getGCMode() << PPLangOpts.getGCMode(); |
| 142 | return true; |
| 143 | } |
| 144 | PARSE_LANGOPT_BENIGN(getVisibilityMode()); |
Daniel Dunbar | ab8e281 | 2009-09-21 04:16:19 +0000 | [diff] [blame] | 145 | PARSE_LANGOPT_IMPORTANT(getStackProtectorMode(), |
| 146 | diag::warn_pch_stack_protector); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 147 | PARSE_LANGOPT_BENIGN(InstantiationDepth); |
Nate Begeman | 69cfb9b | 2009-06-25 22:57:40 +0000 | [diff] [blame] | 148 | PARSE_LANGOPT_IMPORTANT(OpenCL, diag::warn_pch_opencl); |
Peter Collingbourne | 08a5326 | 2010-12-01 19:14:57 +0000 | [diff] [blame] | 149 | PARSE_LANGOPT_IMPORTANT(CUDA, diag::warn_pch_cuda); |
Mike Stump | 9c276ae | 2009-12-12 01:27:46 +0000 | [diff] [blame] | 150 | PARSE_LANGOPT_BENIGN(CatchUndefined); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 151 | PARSE_LANGOPT_BENIGN(DefaultFPContract); |
Daniel Dunbar | ab8e281 | 2009-09-21 04:16:19 +0000 | [diff] [blame] | 152 | PARSE_LANGOPT_IMPORTANT(ElideConstructors, diag::warn_pch_elide_constructors); |
Douglas Gregor | a0068fc | 2010-07-09 17:35:33 +0000 | [diff] [blame] | 153 | PARSE_LANGOPT_BENIGN(SpellChecking); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 154 | PARSE_LANGOPT_IMPORTANT(ObjCAutoRefCount, diag::warn_pch_auto_ref_count); |
| 155 | PARSE_LANGOPT_BENIGN(ObjCInferRelatedReturnType); |
Kovarththanan Rajaratnam | 6b82f64 | 2010-03-07 19:10:13 +0000 | [diff] [blame] | 156 | #undef PARSE_LANGOPT_IMPORTANT |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 157 | #undef PARSE_LANGOPT_BENIGN |
| 158 | |
| 159 | return false; |
| 160 | } |
| 161 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 162 | bool PCHValidator::ReadTargetTriple(StringRef Triple) { |
Daniel Dunbar | dc3c0d2 | 2009-11-11 00:52:11 +0000 | [diff] [blame] | 163 | if (Triple == PP.getTargetInfo().getTriple().str()) |
| 164 | return false; |
| 165 | |
| 166 | Reader.Diag(diag::warn_pch_target_triple) |
| 167 | << Triple << PP.getTargetInfo().getTriple().str(); |
| 168 | return true; |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 169 | } |
| 170 | |
Benjamin Kramer | 54353f4 | 2010-11-25 18:29:30 +0000 | [diff] [blame] | 171 | namespace { |
| 172 | struct EmptyStringRef { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 173 | bool operator ()(StringRef r) const { return r.empty(); } |
Benjamin Kramer | 54353f4 | 2010-11-25 18:29:30 +0000 | [diff] [blame] | 174 | }; |
| 175 | struct EmptyBlock { |
| 176 | bool operator ()(const PCHPredefinesBlock &r) const {return r.Data.empty();} |
| 177 | }; |
| 178 | } |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 179 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 180 | static bool EqualConcatenations(SmallVector<StringRef, 2> L, |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 181 | PCHPredefinesBlocks R) { |
| 182 | // First, sum up the lengths. |
| 183 | unsigned LL = 0, RL = 0; |
| 184 | for (unsigned I = 0, N = L.size(); I != N; ++I) { |
| 185 | LL += L[I].size(); |
| 186 | } |
| 187 | for (unsigned I = 0, N = R.size(); I != N; ++I) { |
| 188 | RL += R[I].Data.size(); |
| 189 | } |
| 190 | if (LL != RL) |
| 191 | return false; |
| 192 | if (LL == 0 && RL == 0) |
| 193 | return true; |
| 194 | |
| 195 | // Kick out empty parts, they confuse the algorithm below. |
| 196 | L.erase(std::remove_if(L.begin(), L.end(), EmptyStringRef()), L.end()); |
| 197 | R.erase(std::remove_if(R.begin(), R.end(), EmptyBlock()), R.end()); |
| 198 | |
| 199 | // Do it the hard way. At this point, both vectors must be non-empty. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 200 | StringRef LR = L[0], RR = R[0].Data; |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 201 | unsigned LI = 0, RI = 0, LN = L.size(), RN = R.size(); |
Daniel Dunbar | c76c9e0 | 2010-07-16 00:00:11 +0000 | [diff] [blame] | 202 | (void) RN; |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 203 | for (;;) { |
| 204 | // Compare the current pieces. |
| 205 | if (LR.size() == RR.size()) { |
| 206 | // If they're the same length, it's pretty easy. |
| 207 | if (LR != RR) |
| 208 | return false; |
| 209 | // Both pieces are done, advance. |
| 210 | ++LI; |
| 211 | ++RI; |
| 212 | // If either string is done, they're both done, since they're the same |
| 213 | // length. |
| 214 | if (LI == LN) { |
| 215 | assert(RI == RN && "Strings not the same length after all?"); |
| 216 | return true; |
| 217 | } |
| 218 | LR = L[LI]; |
| 219 | RR = R[RI].Data; |
| 220 | } else if (LR.size() < RR.size()) { |
| 221 | // Right piece is longer. |
| 222 | if (!RR.startswith(LR)) |
| 223 | return false; |
| 224 | ++LI; |
| 225 | assert(LI != LN && "Strings not the same length after all?"); |
| 226 | RR = RR.substr(LR.size()); |
| 227 | LR = L[LI]; |
| 228 | } else { |
| 229 | // Left piece is longer. |
| 230 | if (!LR.startswith(RR)) |
| 231 | return false; |
| 232 | ++RI; |
| 233 | assert(RI != RN && "Strings not the same length after all?"); |
| 234 | LR = LR.substr(RR.size()); |
| 235 | RR = R[RI].Data; |
| 236 | } |
| 237 | } |
| 238 | } |
| 239 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 240 | static std::pair<FileID, StringRef::size_type> |
| 241 | FindMacro(const PCHPredefinesBlocks &Buffers, StringRef MacroDef) { |
| 242 | std::pair<FileID, StringRef::size_type> Res; |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 243 | for (unsigned I = 0, N = Buffers.size(); I != N; ++I) { |
| 244 | Res.second = Buffers[I].Data.find(MacroDef); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 245 | if (Res.second != StringRef::npos) { |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 246 | Res.first = Buffers[I].BufferID; |
| 247 | break; |
| 248 | } |
| 249 | } |
| 250 | return Res; |
| 251 | } |
| 252 | |
| 253 | bool PCHValidator::ReadPredefinesBuffer(const PCHPredefinesBlocks &Buffers, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 254 | StringRef OriginalFileName, |
Nick Lewycky | 277a6e7 | 2011-02-23 21:16:44 +0000 | [diff] [blame] | 255 | std::string &SuggestedPredefines, |
| 256 | FileManager &FileMgr) { |
Daniel Dunbar | c716293 | 2009-11-11 23:58:53 +0000 | [diff] [blame] | 257 | // We are in the context of an implicit include, so the predefines buffer will |
| 258 | // have a #include entry for the PCH file itself (as normalized by the |
| 259 | // preprocessor initialization). Find it and skip over it in the checking |
| 260 | // below. |
Daniel Dunbar | 7b5a121 | 2009-11-11 05:29:04 +0000 | [diff] [blame] | 261 | llvm::SmallString<256> PCHInclude; |
| 262 | PCHInclude += "#include \""; |
Nick Lewycky | 277a6e7 | 2011-02-23 21:16:44 +0000 | [diff] [blame] | 263 | PCHInclude += NormalizeDashIncludePath(OriginalFileName, FileMgr); |
Daniel Dunbar | 7b5a121 | 2009-11-11 05:29:04 +0000 | [diff] [blame] | 264 | PCHInclude += "\"\n"; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 265 | std::pair<StringRef,StringRef> Split = |
| 266 | StringRef(PP.getPredefines()).split(PCHInclude.str()); |
| 267 | StringRef Left = Split.first, Right = Split.second; |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 268 | if (Left == PP.getPredefines()) { |
| 269 | Error("Missing PCH include entry!"); |
| 270 | return true; |
| 271 | } |
Daniel Dunbar | 7b5a121 | 2009-11-11 05:29:04 +0000 | [diff] [blame] | 272 | |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 273 | // If the concatenation of all the PCH buffers is equal to the adjusted |
| 274 | // command line, we're done. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 275 | SmallVector<StringRef, 2> CommandLine; |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 276 | CommandLine.push_back(Left); |
| 277 | CommandLine.push_back(Right); |
| 278 | if (EqualConcatenations(CommandLine, Buffers)) |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 279 | return false; |
| 280 | |
| 281 | SourceManager &SourceMgr = PP.getSourceManager(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 282 | |
Daniel Dunbar | 10014aa | 2009-11-11 03:45:59 +0000 | [diff] [blame] | 283 | // The predefines buffers are different. Determine what the differences are, |
| 284 | // and whether they require us to reject the PCH file. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 285 | SmallVector<StringRef, 8> PCHLines; |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 286 | for (unsigned I = 0, N = Buffers.size(); I != N; ++I) |
| 287 | Buffers[I].Data.split(PCHLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false); |
Daniel Dunbar | e675049 | 2009-11-13 16:46:11 +0000 | [diff] [blame] | 288 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 289 | SmallVector<StringRef, 8> CmdLineLines; |
Daniel Dunbar | e675049 | 2009-11-13 16:46:11 +0000 | [diff] [blame] | 290 | Left.split(CmdLineLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false); |
Argyrios Kyrtzidis | 297c706 | 2010-09-30 16:53:50 +0000 | [diff] [blame] | 291 | |
| 292 | // Pick out implicit #includes after the PCH and don't consider them for |
| 293 | // validation; we will insert them into SuggestedPredefines so that the |
| 294 | // preprocessor includes them. |
| 295 | std::string IncludesAfterPCH; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 296 | SmallVector<StringRef, 8> AfterPCHLines; |
Argyrios Kyrtzidis | 297c706 | 2010-09-30 16:53:50 +0000 | [diff] [blame] | 297 | Right.split(AfterPCHLines, "\n", /*MaxSplit=*/-1, /*KeepEmpty=*/false); |
| 298 | for (unsigned i = 0, e = AfterPCHLines.size(); i != e; ++i) { |
| 299 | if (AfterPCHLines[i].startswith("#include ")) { |
| 300 | IncludesAfterPCH += AfterPCHLines[i]; |
| 301 | IncludesAfterPCH += '\n'; |
| 302 | } else { |
| 303 | CmdLineLines.push_back(AfterPCHLines[i]); |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | // Make sure we add the includes last into SuggestedPredefines before we |
| 308 | // exit this function. |
| 309 | struct AddIncludesRAII { |
| 310 | std::string &SuggestedPredefines; |
| 311 | std::string &IncludesAfterPCH; |
| 312 | |
| 313 | AddIncludesRAII(std::string &SuggestedPredefines, |
| 314 | std::string &IncludesAfterPCH) |
| 315 | : SuggestedPredefines(SuggestedPredefines), |
| 316 | IncludesAfterPCH(IncludesAfterPCH) { } |
| 317 | ~AddIncludesRAII() { |
| 318 | SuggestedPredefines += IncludesAfterPCH; |
| 319 | } |
| 320 | } AddIncludes(SuggestedPredefines, IncludesAfterPCH); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 321 | |
Daniel Dunbar | 4d5936a | 2009-11-11 05:26:28 +0000 | [diff] [blame] | 322 | // Sort both sets of predefined buffer lines, since we allow some extra |
| 323 | // definitions and they may appear at any point in the output. |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 324 | std::sort(CmdLineLines.begin(), CmdLineLines.end()); |
| 325 | std::sort(PCHLines.begin(), PCHLines.end()); |
| 326 | |
Daniel Dunbar | 4d5936a | 2009-11-11 05:26:28 +0000 | [diff] [blame] | 327 | // Determine which predefines that were used to build the PCH file are missing |
| 328 | // from the command line. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 329 | std::vector<StringRef> MissingPredefines; |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 330 | std::set_difference(PCHLines.begin(), PCHLines.end(), |
| 331 | CmdLineLines.begin(), CmdLineLines.end(), |
| 332 | std::back_inserter(MissingPredefines)); |
| 333 | |
| 334 | bool MissingDefines = false; |
| 335 | bool ConflictingDefines = false; |
| 336 | for (unsigned I = 0, N = MissingPredefines.size(); I != N; ++I) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 337 | StringRef Missing = MissingPredefines[I]; |
Argyrios Kyrtzidis | 297c706 | 2010-09-30 16:53:50 +0000 | [diff] [blame] | 338 | if (Missing.startswith("#include ")) { |
| 339 | // An -include was specified when generating the PCH; it is included in |
| 340 | // the PCH, just ignore it. |
| 341 | continue; |
| 342 | } |
Daniel Dunbar | 4d5936a | 2009-11-11 05:26:28 +0000 | [diff] [blame] | 343 | if (!Missing.startswith("#define ")) { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 344 | Reader.Diag(diag::warn_pch_compiler_options_mismatch); |
| 345 | return true; |
| 346 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 347 | |
Daniel Dunbar | 10014aa | 2009-11-11 03:45:59 +0000 | [diff] [blame] | 348 | // This is a macro definition. Determine the name of the macro we're |
| 349 | // defining. |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 350 | std::string::size_type StartOfMacroName = strlen("#define "); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 351 | std::string::size_type EndOfMacroName |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 352 | = Missing.find_first_of("( \n\r", StartOfMacroName); |
| 353 | assert(EndOfMacroName != std::string::npos && |
| 354 | "Couldn't find the end of the macro name"); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 355 | StringRef MacroName = Missing.slice(StartOfMacroName, EndOfMacroName); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 356 | |
Daniel Dunbar | 10014aa | 2009-11-11 03:45:59 +0000 | [diff] [blame] | 357 | // Determine whether this macro was given a different definition on the |
| 358 | // command line. |
Daniel Dunbar | 4d5936a | 2009-11-11 05:26:28 +0000 | [diff] [blame] | 359 | std::string MacroDefStart = "#define " + MacroName.str(); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 360 | std::string::size_type MacroDefLen = MacroDefStart.size(); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 361 | SmallVector<StringRef, 8>::iterator ConflictPos |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 362 | = std::lower_bound(CmdLineLines.begin(), CmdLineLines.end(), |
| 363 | MacroDefStart); |
| 364 | for (; ConflictPos != CmdLineLines.end(); ++ConflictPos) { |
Daniel Dunbar | 10014aa | 2009-11-11 03:45:59 +0000 | [diff] [blame] | 365 | if (!ConflictPos->startswith(MacroDefStart)) { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 366 | // Different macro; we're done. |
| 367 | ConflictPos = CmdLineLines.end(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 368 | break; |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 369 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 370 | |
| 371 | assert(ConflictPos->size() > MacroDefLen && |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 372 | "Invalid #define in predefines buffer?"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 373 | if ((*ConflictPos)[MacroDefLen] != ' ' && |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 374 | (*ConflictPos)[MacroDefLen] != '(') |
| 375 | continue; // Longer macro name; keep trying. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 376 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 377 | // We found a conflicting macro definition. |
| 378 | break; |
| 379 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 380 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 381 | if (ConflictPos != CmdLineLines.end()) { |
| 382 | Reader.Diag(diag::warn_cmdline_conflicting_macro_def) |
| 383 | << MacroName; |
| 384 | |
| 385 | // Show the definition of this macro within the PCH file. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 386 | std::pair<FileID, StringRef::size_type> MacroLoc = |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 387 | FindMacro(Buffers, Missing); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 388 | assert(MacroLoc.second!=StringRef::npos && "Unable to find macro!"); |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 389 | SourceLocation PCHMissingLoc = |
| 390 | SourceMgr.getLocForStartOfFile(MacroLoc.first) |
| 391 | .getFileLocWithOffset(MacroLoc.second); |
Daniel Dunbar | 4d5936a | 2009-11-11 05:26:28 +0000 | [diff] [blame] | 392 | Reader.Diag(PCHMissingLoc, diag::note_pch_macro_defined_as) << MacroName; |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 393 | |
| 394 | ConflictingDefines = true; |
| 395 | continue; |
| 396 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 397 | |
Daniel Dunbar | 10014aa | 2009-11-11 03:45:59 +0000 | [diff] [blame] | 398 | // If the macro doesn't conflict, then we'll just pick up the macro |
| 399 | // definition from the PCH file. Warn the user that they made a mistake. |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 400 | if (ConflictingDefines) |
| 401 | continue; // Don't complain if there are already conflicting defs |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 402 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 403 | if (!MissingDefines) { |
| 404 | Reader.Diag(diag::warn_cmdline_missing_macro_defs); |
| 405 | MissingDefines = true; |
| 406 | } |
| 407 | |
| 408 | // Show the definition of this macro within the PCH file. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 409 | std::pair<FileID, StringRef::size_type> MacroLoc = |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 410 | FindMacro(Buffers, Missing); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 411 | assert(MacroLoc.second!=StringRef::npos && "Unable to find macro!"); |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 412 | SourceLocation PCHMissingLoc = |
| 413 | SourceMgr.getLocForStartOfFile(MacroLoc.first) |
| 414 | .getFileLocWithOffset(MacroLoc.second); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 415 | Reader.Diag(PCHMissingLoc, diag::note_using_macro_def_from_pch); |
| 416 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 417 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 418 | if (ConflictingDefines) |
| 419 | return true; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 420 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 421 | // Determine what predefines were introduced based on command-line |
| 422 | // parameters that were not present when building the PCH |
| 423 | // file. Extra #defines are okay, so long as the identifiers being |
| 424 | // defined were not used within the precompiled header. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 425 | std::vector<StringRef> ExtraPredefines; |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 426 | std::set_difference(CmdLineLines.begin(), CmdLineLines.end(), |
| 427 | PCHLines.begin(), PCHLines.end(), |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 428 | std::back_inserter(ExtraPredefines)); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 429 | for (unsigned I = 0, N = ExtraPredefines.size(); I != N; ++I) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 430 | StringRef &Extra = ExtraPredefines[I]; |
Daniel Dunbar | 4d5936a | 2009-11-11 05:26:28 +0000 | [diff] [blame] | 431 | if (!Extra.startswith("#define ")) { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 432 | Reader.Diag(diag::warn_pch_compiler_options_mismatch); |
| 433 | return true; |
| 434 | } |
| 435 | |
| 436 | // This is an extra macro definition. Determine the name of the |
| 437 | // macro we're defining. |
| 438 | std::string::size_type StartOfMacroName = strlen("#define "); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 439 | std::string::size_type EndOfMacroName |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 440 | = Extra.find_first_of("( \n\r", StartOfMacroName); |
| 441 | assert(EndOfMacroName != std::string::npos && |
| 442 | "Couldn't find the end of the macro name"); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 443 | StringRef MacroName = Extra.slice(StartOfMacroName, EndOfMacroName); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 444 | |
| 445 | // Check whether this name was used somewhere in the PCH file. If |
| 446 | // so, defining it as a macro could change behavior, so we reject |
| 447 | // the PCH file. |
Daniel Dunbar | 4d5936a | 2009-11-11 05:26:28 +0000 | [diff] [blame] | 448 | if (IdentifierInfo *II = Reader.get(MacroName)) { |
Daniel Dunbar | 4fda42e | 2009-11-11 00:52:00 +0000 | [diff] [blame] | 449 | Reader.Diag(diag::warn_macro_name_used_in_pch) << II; |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 450 | return true; |
| 451 | } |
| 452 | |
| 453 | // Add this definition to the suggested predefines buffer. |
| 454 | SuggestedPredefines += Extra; |
| 455 | SuggestedPredefines += '\n'; |
| 456 | } |
| 457 | |
| 458 | // If we get here, it's because the predefines buffer had compatible |
| 459 | // contents. Accept the PCH file. |
| 460 | return false; |
| 461 | } |
| 462 | |
Douglas Gregor | 12fab31 | 2010-03-16 16:35:32 +0000 | [diff] [blame] | 463 | void PCHValidator::ReadHeaderFileInfo(const HeaderFileInfo &HFI, |
| 464 | unsigned ID) { |
| 465 | PP.getHeaderSearchInfo().setHeaderFileInfoForUID(HFI, ID); |
| 466 | ++NumHeaderInfos; |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | void PCHValidator::ReadCounter(unsigned Value) { |
| 470 | PP.setCounterValue(Value); |
| 471 | } |
| 472 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 473 | //===----------------------------------------------------------------------===// |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 474 | // AST reader implementation |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 475 | //===----------------------------------------------------------------------===// |
| 476 | |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 477 | void |
Sebastian Redl | 571db7f | 2010-08-18 23:56:56 +0000 | [diff] [blame] | 478 | ASTReader::setDeserializationListener(ASTDeserializationListener *Listener) { |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 479 | DeserializationListener = Listener; |
Sebastian Redl | ffaab3e | 2010-07-30 00:29:29 +0000 | [diff] [blame] | 480 | } |
| 481 | |
Chris Lattner | 4c6f952 | 2009-04-27 05:14:47 +0000 | [diff] [blame] | 482 | |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 483 | namespace { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 484 | class ASTSelectorLookupTrait { |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 485 | ASTReader &Reader; |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 486 | Module &F; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 487 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 488 | public: |
Sebastian Redl | 5d05007 | 2010-08-04 17:20:04 +0000 | [diff] [blame] | 489 | struct data_type { |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 490 | SelectorID ID; |
Sebastian Redl | 5d05007 | 2010-08-04 17:20:04 +0000 | [diff] [blame] | 491 | ObjCMethodList Instance, Factory; |
| 492 | }; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 493 | |
| 494 | typedef Selector external_key_type; |
| 495 | typedef external_key_type internal_key_type; |
| 496 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 497 | ASTSelectorLookupTrait(ASTReader &Reader, Module &F) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 498 | : Reader(Reader), F(F) { } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 499 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 500 | static bool EqualKey(const internal_key_type& a, |
| 501 | const internal_key_type& b) { |
| 502 | return a == b; |
| 503 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 504 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 505 | static unsigned ComputeHash(Selector Sel) { |
Argyrios Kyrtzidis | 0eca89e | 2010-08-20 16:03:52 +0000 | [diff] [blame] | 506 | return serialization::ComputeHash(Sel); |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 507 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 508 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 509 | // This hopefully will just get inlined and removed by the optimizer. |
| 510 | static const internal_key_type& |
| 511 | GetInternalKey(const external_key_type& x) { return x; } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 512 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 513 | static std::pair<unsigned, unsigned> |
| 514 | ReadKeyDataLength(const unsigned char*& d) { |
| 515 | using namespace clang::io; |
| 516 | unsigned KeyLen = ReadUnalignedLE16(d); |
| 517 | unsigned DataLen = ReadUnalignedLE16(d); |
| 518 | return std::make_pair(KeyLen, DataLen); |
| 519 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 520 | |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 521 | internal_key_type ReadKey(const unsigned char* d, unsigned) { |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 522 | using namespace clang::io; |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 523 | SelectorTable &SelTable = Reader.getContext()->Selectors; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 524 | unsigned N = ReadUnalignedLE16(d); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 525 | IdentifierInfo *FirstII |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 526 | = Reader.getLocalIdentifier(F, ReadUnalignedLE32(d)); |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 527 | if (N == 0) |
| 528 | return SelTable.getNullarySelector(FirstII); |
| 529 | else if (N == 1) |
| 530 | return SelTable.getUnarySelector(FirstII); |
| 531 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 532 | SmallVector<IdentifierInfo *, 16> Args; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 533 | Args.push_back(FirstII); |
| 534 | for (unsigned I = 1; I != N; ++I) |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 535 | Args.push_back(Reader.getLocalIdentifier(F, ReadUnalignedLE32(d))); |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 536 | |
Douglas Gregor | 75fdb23 | 2009-05-22 22:45:36 +0000 | [diff] [blame] | 537 | return SelTable.getSelector(N, Args.data()); |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 538 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 539 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 540 | data_type ReadData(Selector, const unsigned char* d, unsigned DataLen) { |
| 541 | using namespace clang::io; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 542 | |
| 543 | data_type Result; |
| 544 | |
Douglas Gregor | 2d2689a | 2011-07-28 21:16:51 +0000 | [diff] [blame] | 545 | Result.ID = Reader.getGlobalSelectorID(F, ReadUnalignedLE32(d)); |
Sebastian Redl | 5d05007 | 2010-08-04 17:20:04 +0000 | [diff] [blame] | 546 | unsigned NumInstanceMethods = ReadUnalignedLE16(d); |
| 547 | unsigned NumFactoryMethods = ReadUnalignedLE16(d); |
| 548 | |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 549 | // Load instance methods |
| 550 | ObjCMethodList *Prev = 0; |
| 551 | for (unsigned I = 0; I != NumInstanceMethods; ++I) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 552 | ObjCMethodDecl *Method |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 553 | = Reader.GetLocalDeclAs<ObjCMethodDecl>(F, ReadUnalignedLE32(d)); |
Sebastian Redl | 5d05007 | 2010-08-04 17:20:04 +0000 | [diff] [blame] | 554 | if (!Result.Instance.Method) { |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 555 | // This is the first method, which is the easy case. |
Sebastian Redl | 5d05007 | 2010-08-04 17:20:04 +0000 | [diff] [blame] | 556 | Result.Instance.Method = Method; |
| 557 | Prev = &Result.Instance; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 558 | continue; |
| 559 | } |
| 560 | |
Ted Kremenek | 298ed87 | 2010-02-11 00:53:01 +0000 | [diff] [blame] | 561 | ObjCMethodList *Mem = |
| 562 | Reader.getSema()->BumpAlloc.Allocate<ObjCMethodList>(); |
| 563 | Prev->Next = new (Mem) ObjCMethodList(Method, 0); |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 564 | Prev = Prev->Next; |
| 565 | } |
| 566 | |
| 567 | // Load factory methods |
| 568 | Prev = 0; |
| 569 | for (unsigned I = 0; I != NumFactoryMethods; ++I) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 570 | ObjCMethodDecl *Method |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 571 | = Reader.GetLocalDeclAs<ObjCMethodDecl>(F, ReadUnalignedLE32(d)); |
Sebastian Redl | 5d05007 | 2010-08-04 17:20:04 +0000 | [diff] [blame] | 572 | if (!Result.Factory.Method) { |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 573 | // This is the first method, which is the easy case. |
Sebastian Redl | 5d05007 | 2010-08-04 17:20:04 +0000 | [diff] [blame] | 574 | Result.Factory.Method = Method; |
| 575 | Prev = &Result.Factory; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 576 | continue; |
| 577 | } |
| 578 | |
Ted Kremenek | 298ed87 | 2010-02-11 00:53:01 +0000 | [diff] [blame] | 579 | ObjCMethodList *Mem = |
| 580 | Reader.getSema()->BumpAlloc.Allocate<ObjCMethodList>(); |
| 581 | Prev->Next = new (Mem) ObjCMethodList(Method, 0); |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 582 | Prev = Prev->Next; |
| 583 | } |
| 584 | |
| 585 | return Result; |
| 586 | } |
| 587 | }; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 588 | |
| 589 | } // end anonymous namespace |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 590 | |
| 591 | /// \brief The on-disk hash table used for the global method pool. |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 592 | typedef OnDiskChainedHashTable<ASTSelectorLookupTrait> |
| 593 | ASTSelectorLookupTable; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 594 | |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 595 | namespace clang { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 596 | class ASTIdentifierLookupTrait { |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 597 | ASTReader &Reader; |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 598 | Module &F; |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 599 | |
| 600 | // If we know the IdentifierInfo in advance, it is here and we will |
| 601 | // not build a new one. Used when deserializing information about an |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 602 | // identifier that was constructed before the AST file was read. |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 603 | IdentifierInfo *KnownII; |
| 604 | |
| 605 | public: |
| 606 | typedef IdentifierInfo * data_type; |
| 607 | |
| 608 | typedef const std::pair<const char*, unsigned> external_key_type; |
| 609 | |
| 610 | typedef external_key_type internal_key_type; |
| 611 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 612 | ASTIdentifierLookupTrait(ASTReader &Reader, Module &F, |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 613 | IdentifierInfo *II = 0) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 614 | : Reader(Reader), F(F), KnownII(II) { } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 615 | |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 616 | static bool EqualKey(const internal_key_type& a, |
| 617 | const internal_key_type& b) { |
| 618 | return (a.second == b.second) ? memcmp(a.first, b.first, a.second) == 0 |
| 619 | : false; |
| 620 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 621 | |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 622 | static unsigned ComputeHash(const internal_key_type& a) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 623 | return llvm::HashString(StringRef(a.first, a.second)); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 624 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 625 | |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 626 | // This hopefully will just get inlined and removed by the optimizer. |
| 627 | static const internal_key_type& |
| 628 | GetInternalKey(const external_key_type& x) { return x; } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 629 | |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 630 | // This hopefully will just get inlined and removed by the optimizer. |
| 631 | static const external_key_type& |
| 632 | GetExternalKey(const internal_key_type& x) { return x; } |
| 633 | |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 634 | static std::pair<unsigned, unsigned> |
| 635 | ReadKeyDataLength(const unsigned char*& d) { |
| 636 | using namespace clang::io; |
Douglas Gregor | 5f8e330 | 2009-04-25 20:26:24 +0000 | [diff] [blame] | 637 | unsigned DataLen = ReadUnalignedLE16(d); |
Douglas Gregor | d6595a4 | 2009-04-25 21:04:17 +0000 | [diff] [blame] | 638 | unsigned KeyLen = ReadUnalignedLE16(d); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 639 | return std::make_pair(KeyLen, DataLen); |
| 640 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 641 | |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 642 | static std::pair<const char*, unsigned> |
| 643 | ReadKey(const unsigned char* d, unsigned n) { |
| 644 | assert(n >= 2 && d[n-1] == '\0'); |
| 645 | return std::make_pair((const char*) d, n-1); |
| 646 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 647 | |
| 648 | IdentifierInfo *ReadData(const internal_key_type& k, |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 649 | const unsigned char* d, |
| 650 | unsigned DataLen) { |
| 651 | using namespace clang::io; |
Douglas Gregor | 2d2689a | 2011-07-28 21:16:51 +0000 | [diff] [blame] | 652 | IdentID ID = Reader.getGlobalSelectorID(F, ReadUnalignedLE32(d)); |
Douglas Gregor | a92193e | 2009-04-28 21:18:29 +0000 | [diff] [blame] | 653 | bool IsInteresting = ID & 0x01; |
| 654 | |
| 655 | // Wipe out the "is interesting" bit. |
| 656 | ID = ID >> 1; |
| 657 | |
| 658 | if (!IsInteresting) { |
Sebastian Redl | 083abdf | 2010-07-27 23:01:28 +0000 | [diff] [blame] | 659 | // For uninteresting identifiers, just build the IdentifierInfo |
Douglas Gregor | a92193e | 2009-04-28 21:18:29 +0000 | [diff] [blame] | 660 | // and associate it with the persistent ID. |
| 661 | IdentifierInfo *II = KnownII; |
| 662 | if (!II) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 663 | II = &Reader.getIdentifierTable().getOwn(StringRef(k.first, |
Jay Foad | 65aa688 | 2011-06-21 15:13:30 +0000 | [diff] [blame] | 664 | k.second)); |
Douglas Gregor | a92193e | 2009-04-28 21:18:29 +0000 | [diff] [blame] | 665 | Reader.SetIdentifierInfo(ID, II); |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 666 | II->setIsFromAST(); |
Douglas Gregor | a92193e | 2009-04-28 21:18:29 +0000 | [diff] [blame] | 667 | return II; |
| 668 | } |
| 669 | |
Douglas Gregor | 5998da5 | 2009-04-28 21:32:13 +0000 | [diff] [blame] | 670 | unsigned Bits = ReadUnalignedLE16(d); |
Douglas Gregor | 2deaea3 | 2009-04-22 18:49:13 +0000 | [diff] [blame] | 671 | bool CPlusPlusOperatorKeyword = Bits & 0x01; |
| 672 | Bits >>= 1; |
Argyrios Kyrtzidis | 646395b | 2010-08-11 22:55:12 +0000 | [diff] [blame] | 673 | bool HasRevertedTokenIDToIdentifier = Bits & 0x01; |
| 674 | Bits >>= 1; |
Douglas Gregor | 2deaea3 | 2009-04-22 18:49:13 +0000 | [diff] [blame] | 675 | bool Poisoned = Bits & 0x01; |
| 676 | Bits >>= 1; |
| 677 | bool ExtensionToken = Bits & 0x01; |
| 678 | Bits >>= 1; |
| 679 | bool hasMacroDefinition = Bits & 0x01; |
| 680 | Bits >>= 1; |
| 681 | unsigned ObjCOrBuiltinID = Bits & 0x3FF; |
| 682 | Bits >>= 10; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 683 | |
Douglas Gregor | 2deaea3 | 2009-04-22 18:49:13 +0000 | [diff] [blame] | 684 | assert(Bits == 0 && "Extra bits in the identifier?"); |
Douglas Gregor | 5998da5 | 2009-04-28 21:32:13 +0000 | [diff] [blame] | 685 | DataLen -= 6; |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 686 | |
| 687 | // Build the IdentifierInfo itself and link the identifier ID with |
| 688 | // the new IdentifierInfo. |
| 689 | IdentifierInfo *II = KnownII; |
| 690 | if (!II) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 691 | II = &Reader.getIdentifierTable().getOwn(StringRef(k.first, |
Jay Foad | 65aa688 | 2011-06-21 15:13:30 +0000 | [diff] [blame] | 692 | k.second)); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 693 | Reader.SetIdentifierInfo(ID, II); |
| 694 | |
Douglas Gregor | 2deaea3 | 2009-04-22 18:49:13 +0000 | [diff] [blame] | 695 | // Set or check the various bits in the IdentifierInfo structure. |
Argyrios Kyrtzidis | 646395b | 2010-08-11 22:55:12 +0000 | [diff] [blame] | 696 | // Token IDs are read-only. |
| 697 | if (HasRevertedTokenIDToIdentifier) |
| 698 | II->RevertTokenIDToIdentifier(); |
Douglas Gregor | 2deaea3 | 2009-04-22 18:49:13 +0000 | [diff] [blame] | 699 | II->setObjCOrBuiltinID(ObjCOrBuiltinID); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 700 | assert(II->isExtensionToken() == ExtensionToken && |
Douglas Gregor | 2deaea3 | 2009-04-22 18:49:13 +0000 | [diff] [blame] | 701 | "Incorrect extension token flag"); |
| 702 | (void)ExtensionToken; |
| 703 | II->setIsPoisoned(Poisoned); |
| 704 | assert(II->isCPlusPlusOperatorKeyword() == CPlusPlusOperatorKeyword && |
| 705 | "Incorrect C++ operator keyword flag"); |
| 706 | (void)CPlusPlusOperatorKeyword; |
| 707 | |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 708 | // If this identifier is a macro, deserialize the macro |
| 709 | // definition. |
| 710 | if (hasMacroDefinition) { |
Douglas Gregor | 5998da5 | 2009-04-28 21:32:13 +0000 | [diff] [blame] | 711 | uint32_t Offset = ReadUnalignedLE32(d); |
Douglas Gregor | 295a2a6 | 2010-10-30 00:23:06 +0000 | [diff] [blame] | 712 | Reader.SetIdentifierIsMacro(II, F, Offset); |
Douglas Gregor | 5998da5 | 2009-04-28 21:32:13 +0000 | [diff] [blame] | 713 | DataLen -= 4; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 714 | } |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 715 | |
| 716 | // Read all of the declarations visible at global scope with this |
| 717 | // name. |
Chris Lattner | 6bf690f | 2009-04-27 22:17:41 +0000 | [diff] [blame] | 718 | if (Reader.getContext() == 0) return II; |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 719 | if (DataLen > 0) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 720 | SmallVector<uint32_t, 4> DeclIDs; |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 721 | for (; DataLen > 0; DataLen -= 4) |
Douglas Gregor | f5bb9ae | 2011-07-21 23:29:11 +0000 | [diff] [blame] | 722 | DeclIDs.push_back(Reader.getGlobalDeclID(F, ReadUnalignedLE32(d))); |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 723 | Reader.SetGloballyVisibleDecls(II, DeclIDs); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 724 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 725 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 726 | II->setIsFromAST(); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 727 | return II; |
| 728 | } |
| 729 | }; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 730 | |
| 731 | } // end anonymous namespace |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 732 | |
| 733 | /// \brief The on-disk hash table used to contain information about |
| 734 | /// all of the identifiers in the program. |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 735 | typedef OnDiskChainedHashTable<ASTIdentifierLookupTrait> |
| 736 | ASTIdentifierLookupTable; |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 737 | |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 738 | namespace { |
| 739 | class ASTDeclContextNameLookupTrait { |
| 740 | ASTReader &Reader; |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 741 | Module &F; |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 742 | |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 743 | public: |
| 744 | /// \brief Pair of begin/end iterators for DeclIDs. |
Douglas Gregor | e144c70 | 2011-07-28 22:16:57 +0000 | [diff] [blame] | 745 | /// |
| 746 | /// Note that these declaration IDs are local to the module that contains this |
| 747 | /// particular lookup t |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 748 | typedef std::pair<DeclID *, DeclID *> data_type; |
| 749 | |
| 750 | /// \brief Special internal key for declaration names. |
| 751 | /// The hash table creates keys for comparison; we do not create |
| 752 | /// a DeclarationName for the internal key to avoid deserializing types. |
| 753 | struct DeclNameKey { |
| 754 | DeclarationName::NameKind Kind; |
| 755 | uint64_t Data; |
| 756 | DeclNameKey() : Kind((DeclarationName::NameKind)0), Data(0) { } |
| 757 | }; |
| 758 | |
| 759 | typedef DeclarationName external_key_type; |
| 760 | typedef DeclNameKey internal_key_type; |
| 761 | |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 762 | explicit ASTDeclContextNameLookupTrait(ASTReader &Reader, |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 763 | Module &F) |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 764 | : Reader(Reader), F(F) { } |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 765 | |
| 766 | static bool EqualKey(const internal_key_type& a, |
| 767 | const internal_key_type& b) { |
| 768 | return a.Kind == b.Kind && a.Data == b.Data; |
| 769 | } |
| 770 | |
| 771 | unsigned ComputeHash(const DeclNameKey &Key) const { |
| 772 | llvm::FoldingSetNodeID ID; |
| 773 | ID.AddInteger(Key.Kind); |
| 774 | |
| 775 | switch (Key.Kind) { |
| 776 | case DeclarationName::Identifier: |
| 777 | case DeclarationName::CXXLiteralOperatorName: |
| 778 | ID.AddString(((IdentifierInfo*)Key.Data)->getName()); |
| 779 | break; |
| 780 | case DeclarationName::ObjCZeroArgSelector: |
| 781 | case DeclarationName::ObjCOneArgSelector: |
| 782 | case DeclarationName::ObjCMultiArgSelector: |
| 783 | ID.AddInteger(serialization::ComputeHash(Selector(Key.Data))); |
| 784 | break; |
| 785 | case DeclarationName::CXXConstructorName: |
| 786 | case DeclarationName::CXXDestructorName: |
| 787 | case DeclarationName::CXXConversionFunctionName: |
| 788 | ID.AddInteger((TypeID)Key.Data); |
| 789 | break; |
| 790 | case DeclarationName::CXXOperatorName: |
| 791 | ID.AddInteger((OverloadedOperatorKind)Key.Data); |
| 792 | break; |
| 793 | case DeclarationName::CXXUsingDirective: |
| 794 | break; |
| 795 | } |
| 796 | |
| 797 | return ID.ComputeHash(); |
| 798 | } |
| 799 | |
| 800 | internal_key_type GetInternalKey(const external_key_type& Name) const { |
| 801 | DeclNameKey Key; |
| 802 | Key.Kind = Name.getNameKind(); |
| 803 | switch (Name.getNameKind()) { |
| 804 | case DeclarationName::Identifier: |
| 805 | Key.Data = (uint64_t)Name.getAsIdentifierInfo(); |
| 806 | break; |
| 807 | case DeclarationName::ObjCZeroArgSelector: |
| 808 | case DeclarationName::ObjCOneArgSelector: |
| 809 | case DeclarationName::ObjCMultiArgSelector: |
| 810 | Key.Data = (uint64_t)Name.getObjCSelector().getAsOpaquePtr(); |
| 811 | break; |
| 812 | case DeclarationName::CXXConstructorName: |
| 813 | case DeclarationName::CXXDestructorName: |
| 814 | case DeclarationName::CXXConversionFunctionName: |
| 815 | Key.Data = Reader.GetTypeID(Name.getCXXNameType()); |
| 816 | break; |
| 817 | case DeclarationName::CXXOperatorName: |
| 818 | Key.Data = Name.getCXXOverloadedOperator(); |
| 819 | break; |
| 820 | case DeclarationName::CXXLiteralOperatorName: |
| 821 | Key.Data = (uint64_t)Name.getCXXLiteralIdentifier(); |
| 822 | break; |
| 823 | case DeclarationName::CXXUsingDirective: |
| 824 | break; |
| 825 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 826 | |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 827 | return Key; |
| 828 | } |
| 829 | |
Argyrios Kyrtzidis | a60786b | 2010-08-20 23:35:55 +0000 | [diff] [blame] | 830 | external_key_type GetExternalKey(const internal_key_type& Key) const { |
| 831 | ASTContext *Context = Reader.getContext(); |
| 832 | switch (Key.Kind) { |
| 833 | case DeclarationName::Identifier: |
| 834 | return DeclarationName((IdentifierInfo*)Key.Data); |
| 835 | |
| 836 | case DeclarationName::ObjCZeroArgSelector: |
| 837 | case DeclarationName::ObjCOneArgSelector: |
| 838 | case DeclarationName::ObjCMultiArgSelector: |
| 839 | return DeclarationName(Selector(Key.Data)); |
| 840 | |
| 841 | case DeclarationName::CXXConstructorName: |
| 842 | return Context->DeclarationNames.getCXXConstructorName( |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 843 | Context->getCanonicalType(Reader.getLocalType(F, Key.Data))); |
Argyrios Kyrtzidis | a60786b | 2010-08-20 23:35:55 +0000 | [diff] [blame] | 844 | |
| 845 | case DeclarationName::CXXDestructorName: |
| 846 | return Context->DeclarationNames.getCXXDestructorName( |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 847 | Context->getCanonicalType(Reader.getLocalType(F, Key.Data))); |
Argyrios Kyrtzidis | a60786b | 2010-08-20 23:35:55 +0000 | [diff] [blame] | 848 | |
| 849 | case DeclarationName::CXXConversionFunctionName: |
| 850 | return Context->DeclarationNames.getCXXConversionFunctionName( |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 851 | Context->getCanonicalType(Reader.getLocalType(F, Key.Data))); |
Argyrios Kyrtzidis | a60786b | 2010-08-20 23:35:55 +0000 | [diff] [blame] | 852 | |
| 853 | case DeclarationName::CXXOperatorName: |
| 854 | return Context->DeclarationNames.getCXXOperatorName( |
| 855 | (OverloadedOperatorKind)Key.Data); |
| 856 | |
| 857 | case DeclarationName::CXXLiteralOperatorName: |
| 858 | return Context->DeclarationNames.getCXXLiteralOperatorName( |
| 859 | (IdentifierInfo*)Key.Data); |
| 860 | |
| 861 | case DeclarationName::CXXUsingDirective: |
| 862 | return DeclarationName::getUsingDirectiveName(); |
| 863 | } |
| 864 | |
| 865 | llvm_unreachable("Invalid Name Kind ?"); |
| 866 | } |
| 867 | |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 868 | static std::pair<unsigned, unsigned> |
| 869 | ReadKeyDataLength(const unsigned char*& d) { |
| 870 | using namespace clang::io; |
| 871 | unsigned KeyLen = ReadUnalignedLE16(d); |
| 872 | unsigned DataLen = ReadUnalignedLE16(d); |
| 873 | return std::make_pair(KeyLen, DataLen); |
| 874 | } |
| 875 | |
| 876 | internal_key_type ReadKey(const unsigned char* d, unsigned) { |
| 877 | using namespace clang::io; |
| 878 | |
| 879 | DeclNameKey Key; |
| 880 | Key.Kind = (DeclarationName::NameKind)*d++; |
| 881 | switch (Key.Kind) { |
| 882 | case DeclarationName::Identifier: |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 883 | Key.Data = (uint64_t)Reader.getLocalIdentifier(F, ReadUnalignedLE32(d)); |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 884 | break; |
| 885 | case DeclarationName::ObjCZeroArgSelector: |
| 886 | case DeclarationName::ObjCOneArgSelector: |
| 887 | case DeclarationName::ObjCMultiArgSelector: |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 888 | Key.Data = |
Douglas Gregor | 2d2689a | 2011-07-28 21:16:51 +0000 | [diff] [blame] | 889 | (uint64_t)Reader.getLocalSelector(F, ReadUnalignedLE32(d)) |
| 890 | .getAsOpaquePtr(); |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 891 | break; |
| 892 | case DeclarationName::CXXConstructorName: |
| 893 | case DeclarationName::CXXDestructorName: |
| 894 | case DeclarationName::CXXConversionFunctionName: |
Douglas Gregor | 2d2689a | 2011-07-28 21:16:51 +0000 | [diff] [blame] | 895 | Key.Data = Reader.getGlobalTypeID(F, ReadUnalignedLE32(d)); // TypeID |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 896 | break; |
| 897 | case DeclarationName::CXXOperatorName: |
| 898 | Key.Data = *d++; // OverloadedOperatorKind |
| 899 | break; |
| 900 | case DeclarationName::CXXLiteralOperatorName: |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 901 | Key.Data = (uint64_t)Reader.getLocalIdentifier(F, ReadUnalignedLE32(d)); |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 902 | break; |
| 903 | case DeclarationName::CXXUsingDirective: |
| 904 | break; |
| 905 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 906 | |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 907 | return Key; |
| 908 | } |
| 909 | |
| 910 | data_type ReadData(internal_key_type, const unsigned char* d, |
| 911 | unsigned DataLen) { |
| 912 | using namespace clang::io; |
| 913 | unsigned NumDecls = ReadUnalignedLE16(d); |
| 914 | DeclID *Start = (DeclID *)d; |
| 915 | return std::make_pair(Start, Start + NumDecls); |
| 916 | } |
| 917 | }; |
| 918 | |
| 919 | } // end anonymous namespace |
| 920 | |
| 921 | /// \brief The on-disk hash table used for the DeclContext's Name lookup table. |
| 922 | typedef OnDiskChainedHashTable<ASTDeclContextNameLookupTrait> |
| 923 | ASTDeclContextNameLookupTable; |
| 924 | |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 925 | bool ASTReader::ReadDeclContextStorage(llvm::BitstreamCursor &Cursor, |
| 926 | const std::pair<uint64_t, uint64_t> &Offsets, |
| 927 | DeclContextInfo &Info) { |
| 928 | SavedStreamPosition SavedPosition(Cursor); |
| 929 | // First the lexical decls. |
| 930 | if (Offsets.first != 0) { |
| 931 | Cursor.JumpToBit(Offsets.first); |
| 932 | |
| 933 | RecordData Record; |
| 934 | const char *Blob; |
| 935 | unsigned BlobLen; |
| 936 | unsigned Code = Cursor.ReadCode(); |
| 937 | unsigned RecCode = Cursor.ReadRecord(Code, Record, &Blob, &BlobLen); |
| 938 | if (RecCode != DECL_CONTEXT_LEXICAL) { |
| 939 | Error("Expected lexical block"); |
| 940 | return true; |
| 941 | } |
| 942 | |
Argyrios Kyrtzidis | eb5e998 | 2010-10-14 20:14:34 +0000 | [diff] [blame] | 943 | Info.LexicalDecls = reinterpret_cast<const KindDeclIDPair*>(Blob); |
| 944 | Info.NumLexicalDecls = BlobLen / sizeof(KindDeclIDPair); |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 945 | } else { |
| 946 | Info.LexicalDecls = 0; |
| 947 | Info.NumLexicalDecls = 0; |
| 948 | } |
| 949 | |
| 950 | // Now the lookup table. |
| 951 | if (Offsets.second != 0) { |
| 952 | Cursor.JumpToBit(Offsets.second); |
| 953 | |
| 954 | RecordData Record; |
| 955 | const char *Blob; |
| 956 | unsigned BlobLen; |
| 957 | unsigned Code = Cursor.ReadCode(); |
| 958 | unsigned RecCode = Cursor.ReadRecord(Code, Record, &Blob, &BlobLen); |
| 959 | if (RecCode != DECL_CONTEXT_VISIBLE) { |
| 960 | Error("Expected visible lookup table block"); |
| 961 | return true; |
| 962 | } |
| 963 | Info.NameLookupTableData |
| 964 | = ASTDeclContextNameLookupTable::Create( |
| 965 | (const unsigned char *)Blob + Record[0], |
| 966 | (const unsigned char *)Blob, |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 967 | ASTDeclContextNameLookupTrait(*this, *Info.F)); |
Sebastian Redl | 0ea8f7f | 2010-08-24 00:50:00 +0000 | [diff] [blame] | 968 | } else { |
| 969 | Info.NameLookupTableData = 0; |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 970 | } |
| 971 | |
| 972 | return false; |
| 973 | } |
| 974 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 975 | void ASTReader::Error(StringRef Msg) { |
Argyrios Kyrtzidis | 8d8f2c2 | 2011-04-25 22:23:56 +0000 | [diff] [blame] | 976 | Error(diag::err_fe_pch_malformed, Msg); |
| 977 | } |
| 978 | |
| 979 | void ASTReader::Error(unsigned DiagID, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 980 | StringRef Arg1, StringRef Arg2) { |
Argyrios Kyrtzidis | 8d8f2c2 | 2011-04-25 22:23:56 +0000 | [diff] [blame] | 981 | if (Diags.isDiagnosticInFlight()) |
| 982 | Diags.SetDelayedDiagnostic(DiagID, Arg1, Arg2); |
| 983 | else |
| 984 | Diag(DiagID) << Arg1 << Arg2; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 985 | } |
| 986 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 987 | /// \brief Tell the AST listener about the predefines buffers in the chain. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 988 | bool ASTReader::CheckPredefinesBuffers() { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 989 | if (Listener) |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 990 | return Listener->ReadPredefinesBuffer(PCHPredefinesBuffers, |
Daniel Dunbar | 7b5a121 | 2009-11-11 05:29:04 +0000 | [diff] [blame] | 991 | ActualOriginalFileName, |
Nick Lewycky | 277a6e7 | 2011-02-23 21:16:44 +0000 | [diff] [blame] | 992 | SuggestedPredefines, |
| 993 | FileMgr); |
Douglas Gregor | e721f95 | 2009-04-28 18:58:38 +0000 | [diff] [blame] | 994 | return false; |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 995 | } |
| 996 | |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 997 | //===----------------------------------------------------------------------===// |
| 998 | // Source Manager Deserialization |
| 999 | //===----------------------------------------------------------------------===// |
| 1000 | |
Douglas Gregor | bd94500 | 2009-04-13 16:31:14 +0000 | [diff] [blame] | 1001 | /// \brief Read the line table in the source manager block. |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1002 | /// \returns true if there was an error. |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1003 | bool ASTReader::ParseLineTable(Module &F, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1004 | SmallVectorImpl<uint64_t> &Record) { |
Douglas Gregor | bd94500 | 2009-04-13 16:31:14 +0000 | [diff] [blame] | 1005 | unsigned Idx = 0; |
| 1006 | LineTableInfo &LineTable = SourceMgr.getLineTable(); |
| 1007 | |
| 1008 | // Parse the file names |
Douglas Gregor | ff0a987 | 2009-04-13 17:12:42 +0000 | [diff] [blame] | 1009 | std::map<int, int> FileIDs; |
| 1010 | for (int I = 0, N = Record[Idx++]; I != N; ++I) { |
Douglas Gregor | bd94500 | 2009-04-13 16:31:14 +0000 | [diff] [blame] | 1011 | // Extract the file name |
| 1012 | unsigned FilenameLen = Record[Idx++]; |
| 1013 | std::string Filename(&Record[Idx], &Record[Idx] + FilenameLen); |
| 1014 | Idx += FilenameLen; |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1015 | MaybeAddSystemRootToFilename(Filename); |
Jay Foad | 65aa688 | 2011-06-21 15:13:30 +0000 | [diff] [blame] | 1016 | FileIDs[I] = LineTable.getLineTableFilenameID(Filename); |
Douglas Gregor | bd94500 | 2009-04-13 16:31:14 +0000 | [diff] [blame] | 1017 | } |
| 1018 | |
| 1019 | // Parse the line entries |
| 1020 | std::vector<LineEntry> Entries; |
| 1021 | while (Idx < Record.size()) { |
Argyrios Kyrtzidis | f52a5d2 | 2010-07-02 11:55:05 +0000 | [diff] [blame] | 1022 | int FID = Record[Idx++]; |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1023 | assert(FID >= 0 && "Serialized line entries for non-local file."); |
| 1024 | // Remap FileID from 1-based old view. |
| 1025 | FID += F.SLocEntryBaseID - 1; |
Douglas Gregor | bd94500 | 2009-04-13 16:31:14 +0000 | [diff] [blame] | 1026 | |
| 1027 | // Extract the line entries |
| 1028 | unsigned NumEntries = Record[Idx++]; |
Argyrios Kyrtzidis | f52a5d2 | 2010-07-02 11:55:05 +0000 | [diff] [blame] | 1029 | assert(NumEntries && "Numentries is 00000"); |
Douglas Gregor | bd94500 | 2009-04-13 16:31:14 +0000 | [diff] [blame] | 1030 | Entries.clear(); |
| 1031 | Entries.reserve(NumEntries); |
| 1032 | for (unsigned I = 0; I != NumEntries; ++I) { |
| 1033 | unsigned FileOffset = Record[Idx++]; |
| 1034 | unsigned LineNo = Record[Idx++]; |
Argyrios Kyrtzidis | f52a5d2 | 2010-07-02 11:55:05 +0000 | [diff] [blame] | 1035 | int FilenameID = FileIDs[Record[Idx++]]; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1036 | SrcMgr::CharacteristicKind FileKind |
Douglas Gregor | bd94500 | 2009-04-13 16:31:14 +0000 | [diff] [blame] | 1037 | = (SrcMgr::CharacteristicKind)Record[Idx++]; |
| 1038 | unsigned IncludeOffset = Record[Idx++]; |
| 1039 | Entries.push_back(LineEntry::get(FileOffset, LineNo, FilenameID, |
| 1040 | FileKind, IncludeOffset)); |
| 1041 | } |
| 1042 | LineTable.AddEntry(FID, Entries); |
| 1043 | } |
| 1044 | |
| 1045 | return false; |
| 1046 | } |
| 1047 | |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1048 | namespace { |
| 1049 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1050 | class ASTStatData { |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1051 | public: |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1052 | const ino_t ino; |
| 1053 | const dev_t dev; |
| 1054 | const mode_t mode; |
| 1055 | const time_t mtime; |
| 1056 | const off_t size; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1057 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1058 | ASTStatData(ino_t i, dev_t d, mode_t mo, time_t m, off_t s) |
Chris Lattner | 74e976b | 2010-11-23 19:28:12 +0000 | [diff] [blame] | 1059 | : ino(i), dev(d), mode(mo), mtime(m), size(s) {} |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1060 | }; |
| 1061 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1062 | class ASTStatLookupTrait { |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1063 | public: |
| 1064 | typedef const char *external_key_type; |
| 1065 | typedef const char *internal_key_type; |
| 1066 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1067 | typedef ASTStatData data_type; |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1068 | |
| 1069 | static unsigned ComputeHash(const char *path) { |
Daniel Dunbar | 2596e42 | 2009-10-17 23:52:28 +0000 | [diff] [blame] | 1070 | return llvm::HashString(path); |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1071 | } |
| 1072 | |
| 1073 | static internal_key_type GetInternalKey(const char *path) { return path; } |
| 1074 | |
| 1075 | static bool EqualKey(internal_key_type a, internal_key_type b) { |
| 1076 | return strcmp(a, b) == 0; |
| 1077 | } |
| 1078 | |
| 1079 | static std::pair<unsigned, unsigned> |
| 1080 | ReadKeyDataLength(const unsigned char*& d) { |
| 1081 | unsigned KeyLen = (unsigned) clang::io::ReadUnalignedLE16(d); |
| 1082 | unsigned DataLen = (unsigned) *d++; |
| 1083 | return std::make_pair(KeyLen + 1, DataLen); |
| 1084 | } |
| 1085 | |
| 1086 | static internal_key_type ReadKey(const unsigned char *d, unsigned) { |
| 1087 | return (const char *)d; |
| 1088 | } |
| 1089 | |
| 1090 | static data_type ReadData(const internal_key_type, const unsigned char *d, |
| 1091 | unsigned /*DataLen*/) { |
| 1092 | using namespace clang::io; |
| 1093 | |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1094 | ino_t ino = (ino_t) ReadUnalignedLE32(d); |
| 1095 | dev_t dev = (dev_t) ReadUnalignedLE32(d); |
| 1096 | mode_t mode = (mode_t) ReadUnalignedLE16(d); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1097 | time_t mtime = (time_t) ReadUnalignedLE64(d); |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1098 | off_t size = (off_t) ReadUnalignedLE64(d); |
| 1099 | return data_type(ino, dev, mode, mtime, size); |
| 1100 | } |
| 1101 | }; |
| 1102 | |
| 1103 | /// \brief stat() cache for precompiled headers. |
| 1104 | /// |
| 1105 | /// This cache is very similar to the stat cache used by pretokenized |
| 1106 | /// headers. |
Chris Lattner | 10e286a | 2010-11-23 19:19:34 +0000 | [diff] [blame] | 1107 | class ASTStatCache : public FileSystemStatCache { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1108 | typedef OnDiskChainedHashTable<ASTStatLookupTrait> CacheTy; |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1109 | CacheTy *Cache; |
| 1110 | |
| 1111 | unsigned &NumStatHits, &NumStatMisses; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1112 | public: |
Chris Lattner | 74e976b | 2010-11-23 19:28:12 +0000 | [diff] [blame] | 1113 | ASTStatCache(const unsigned char *Buckets, const unsigned char *Base, |
| 1114 | unsigned &NumStatHits, unsigned &NumStatMisses) |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1115 | : Cache(0), NumStatHits(NumStatHits), NumStatMisses(NumStatMisses) { |
| 1116 | Cache = CacheTy::Create(Buckets, Base); |
| 1117 | } |
| 1118 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1119 | ~ASTStatCache() { delete Cache; } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1120 | |
Chris Lattner | 898a061 | 2010-11-23 21:17:56 +0000 | [diff] [blame] | 1121 | LookupResult getStat(const char *Path, struct stat &StatBuf, |
| 1122 | int *FileDescriptor) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1123 | // Do the lookup for the file's data in the AST file. |
Chris Lattner | 10e286a | 2010-11-23 19:19:34 +0000 | [diff] [blame] | 1124 | CacheTy::iterator I = Cache->find(Path); |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1125 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1126 | // If we don't get a hit in the AST file just forward to 'stat'. |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1127 | if (I == Cache->end()) { |
| 1128 | ++NumStatMisses; |
Chris Lattner | 898a061 | 2010-11-23 21:17:56 +0000 | [diff] [blame] | 1129 | return statChained(Path, StatBuf, FileDescriptor); |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1130 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1131 | |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1132 | ++NumStatHits; |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1133 | ASTStatData Data = *I; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1134 | |
Chris Lattner | 10e286a | 2010-11-23 19:19:34 +0000 | [diff] [blame] | 1135 | StatBuf.st_ino = Data.ino; |
| 1136 | StatBuf.st_dev = Data.dev; |
| 1137 | StatBuf.st_mtime = Data.mtime; |
| 1138 | StatBuf.st_mode = Data.mode; |
| 1139 | StatBuf.st_size = Data.size; |
Chris Lattner | d6f6111 | 2010-11-23 20:05:15 +0000 | [diff] [blame] | 1140 | return CacheExists; |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 1141 | } |
| 1142 | }; |
| 1143 | } // end anonymous namespace |
| 1144 | |
| 1145 | |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 1146 | /// \brief Read a source manager block |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1147 | ASTReader::ASTReadResult ASTReader::ReadSourceManagerBlock(Module &F) { |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1148 | using namespace SrcMgr; |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1149 | |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 1150 | llvm::BitstreamCursor &SLocEntryCursor = F.SLocEntryCursor; |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 1151 | |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1152 | // Set the source-location entry cursor to the current position in |
| 1153 | // the stream. This cursor will be used to read the contents of the |
| 1154 | // source manager block initially, and then lazily read |
| 1155 | // source-location entries as needed. |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 1156 | SLocEntryCursor = F.Stream; |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1157 | |
| 1158 | // The stream itself is going to skip over the source manager block. |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 1159 | if (F.Stream.SkipBlock()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1160 | Error("malformed block record in AST file"); |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1161 | return Failure; |
| 1162 | } |
| 1163 | |
| 1164 | // Enter the source manager block. |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1165 | if (SLocEntryCursor.EnterSubBlock(SOURCE_MANAGER_BLOCK_ID)) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1166 | Error("malformed source manager block record in AST file"); |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 1167 | return Failure; |
| 1168 | } |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1169 | |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1170 | RecordData Record; |
| 1171 | while (true) { |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1172 | unsigned Code = SLocEntryCursor.ReadCode(); |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1173 | if (Code == llvm::bitc::END_BLOCK) { |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1174 | if (SLocEntryCursor.ReadBlockEnd()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1175 | Error("error at end of Source Manager block in AST file"); |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 1176 | return Failure; |
| 1177 | } |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 1178 | return Success; |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1179 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1180 | |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1181 | if (Code == llvm::bitc::ENTER_SUBBLOCK) { |
| 1182 | // No known subblocks, always skip them. |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1183 | SLocEntryCursor.ReadSubBlockID(); |
| 1184 | if (SLocEntryCursor.SkipBlock()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1185 | Error("malformed block record in AST file"); |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 1186 | return Failure; |
| 1187 | } |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1188 | continue; |
| 1189 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1190 | |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1191 | if (Code == llvm::bitc::DEFINE_ABBREV) { |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1192 | SLocEntryCursor.ReadAbbrevRecord(); |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1193 | continue; |
| 1194 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1195 | |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1196 | // Read a record. |
| 1197 | const char *BlobStart; |
| 1198 | unsigned BlobLen; |
| 1199 | Record.clear(); |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1200 | switch (SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) { |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1201 | default: // Default behavior: ignore. |
| 1202 | break; |
| 1203 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1204 | case SM_SLOC_FILE_ENTRY: |
| 1205 | case SM_SLOC_BUFFER_ENTRY: |
Chandler Carruth | f70d12d | 2011-07-15 07:25:21 +0000 | [diff] [blame] | 1206 | case SM_SLOC_EXPANSION_ENTRY: |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1207 | // Once we hit one of the source location entries, we're done. |
| 1208 | return Success; |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1209 | } |
| 1210 | } |
| 1211 | } |
| 1212 | |
Argyrios Kyrtzidis | 8e3df4d | 2011-02-15 17:54:22 +0000 | [diff] [blame] | 1213 | /// \brief If a header file is not found at the path that we expect it to be |
| 1214 | /// and the PCH file was moved from its original location, try to resolve the |
| 1215 | /// file by assuming that header+PCH were moved together and the header is in |
| 1216 | /// the same place relative to the PCH. |
| 1217 | static std::string |
| 1218 | resolveFileRelativeToOriginalDir(const std::string &Filename, |
| 1219 | const std::string &OriginalDir, |
| 1220 | const std::string &CurrDir) { |
| 1221 | assert(OriginalDir != CurrDir && |
| 1222 | "No point trying to resolve the file if the PCH dir didn't change"); |
| 1223 | using namespace llvm::sys; |
| 1224 | llvm::SmallString<128> filePath(Filename); |
| 1225 | fs::make_absolute(filePath); |
| 1226 | assert(path::is_absolute(OriginalDir)); |
| 1227 | llvm::SmallString<128> currPCHPath(CurrDir); |
| 1228 | |
| 1229 | path::const_iterator fileDirI = path::begin(path::parent_path(filePath)), |
| 1230 | fileDirE = path::end(path::parent_path(filePath)); |
| 1231 | path::const_iterator origDirI = path::begin(OriginalDir), |
| 1232 | origDirE = path::end(OriginalDir); |
| 1233 | // Skip the common path components from filePath and OriginalDir. |
| 1234 | while (fileDirI != fileDirE && origDirI != origDirE && |
| 1235 | *fileDirI == *origDirI) { |
| 1236 | ++fileDirI; |
| 1237 | ++origDirI; |
| 1238 | } |
| 1239 | for (; origDirI != origDirE; ++origDirI) |
| 1240 | path::append(currPCHPath, ".."); |
| 1241 | path::append(currPCHPath, fileDirI, fileDirE); |
| 1242 | path::append(currPCHPath, path::filename(Filename)); |
| 1243 | return currPCHPath.str(); |
| 1244 | } |
| 1245 | |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1246 | /// \brief Read in the source location entry with the given ID. |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1247 | ASTReader::ASTReadResult ASTReader::ReadSLocEntryRecord(int ID) { |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1248 | if (ID == 0) |
| 1249 | return Success; |
| 1250 | |
Douglas Gregor | 0cdd798 | 2011-07-21 18:46:38 +0000 | [diff] [blame] | 1251 | if (unsigned(-ID) - 2 >= getTotalNumSLocs() || ID > 0) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1252 | Error("source location entry ID out-of-range for AST file"); |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1253 | return Failure; |
| 1254 | } |
| 1255 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1256 | Module *F = GlobalSLocEntryMap.find(-ID)->second; |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1257 | F->SLocEntryCursor.JumpToBit(F->SLocEntryOffsets[ID - F->SLocEntryBaseID]); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1258 | llvm::BitstreamCursor &SLocEntryCursor = F->SLocEntryCursor; |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1259 | unsigned BaseOffset = F->SLocEntryBaseOffset; |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 1260 | |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1261 | ++NumSLocEntriesRead; |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1262 | unsigned Code = SLocEntryCursor.ReadCode(); |
| 1263 | if (Code == llvm::bitc::END_BLOCK || |
| 1264 | Code == llvm::bitc::ENTER_SUBBLOCK || |
| 1265 | Code == llvm::bitc::DEFINE_ABBREV) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1266 | Error("incorrectly-formatted source location entry in AST file"); |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1267 | return Failure; |
| 1268 | } |
| 1269 | |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1270 | RecordData Record; |
| 1271 | const char *BlobStart; |
| 1272 | unsigned BlobLen; |
| 1273 | switch (SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) { |
| 1274 | default: |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1275 | Error("incorrectly-formatted source location entry in AST file"); |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1276 | return Failure; |
| 1277 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1278 | case SM_SLOC_FILE_ENTRY: { |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1279 | std::string Filename(BlobStart, BlobStart + BlobLen); |
| 1280 | MaybeAddSystemRootToFilename(Filename); |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 1281 | const FileEntry *File = FileMgr.getFile(Filename); |
Argyrios Kyrtzidis | 8e3df4d | 2011-02-15 17:54:22 +0000 | [diff] [blame] | 1282 | if (File == 0 && !OriginalDir.empty() && !CurrentDir.empty() && |
| 1283 | OriginalDir != CurrentDir) { |
| 1284 | std::string resolved = resolveFileRelativeToOriginalDir(Filename, |
| 1285 | OriginalDir, |
| 1286 | CurrentDir); |
| 1287 | if (!resolved.empty()) |
| 1288 | File = FileMgr.getFile(resolved); |
| 1289 | } |
Axel Naumann | 0433116 | 2011-01-27 10:55:51 +0000 | [diff] [blame] | 1290 | if (File == 0) |
| 1291 | File = FileMgr.getVirtualFile(Filename, (off_t)Record[4], |
| 1292 | (time_t)Record[5]); |
Chris Lattner | d3555ae | 2009-06-15 04:35:16 +0000 | [diff] [blame] | 1293 | if (File == 0) { |
| 1294 | std::string ErrorStr = "could not find file '"; |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1295 | ErrorStr += Filename; |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1296 | ErrorStr += "' referenced by AST file"; |
Chris Lattner | d3555ae | 2009-06-15 04:35:16 +0000 | [diff] [blame] | 1297 | Error(ErrorStr.c_str()); |
| 1298 | return Failure; |
| 1299 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1300 | |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1301 | if (Record.size() < 6) { |
Ted Kremenek | 1857f62 | 2010-03-18 21:23:05 +0000 | [diff] [blame] | 1302 | Error("source location entry is incorrect"); |
| 1303 | return Failure; |
| 1304 | } |
| 1305 | |
Douglas Gregor | fae3b2f | 2010-07-27 00:27:13 +0000 | [diff] [blame] | 1306 | if (!DisableValidation && |
| 1307 | ((off_t)Record[4] != File->getSize() |
Douglas Gregor | 9f692a0 | 2010-04-09 15:54:22 +0000 | [diff] [blame] | 1308 | #if !defined(LLVM_ON_WIN32) |
| 1309 | // In our regression testing, the Windows file system seems to |
| 1310 | // have inconsistent modification times that sometimes |
| 1311 | // erroneously trigger this error-handling path. |
Douglas Gregor | fae3b2f | 2010-07-27 00:27:13 +0000 | [diff] [blame] | 1312 | || (time_t)Record[5] != File->getModificationTime() |
Douglas Gregor | 9f692a0 | 2010-04-09 15:54:22 +0000 | [diff] [blame] | 1313 | #endif |
Douglas Gregor | fae3b2f | 2010-07-27 00:27:13 +0000 | [diff] [blame] | 1314 | )) { |
Argyrios Kyrtzidis | 8d8f2c2 | 2011-04-25 22:23:56 +0000 | [diff] [blame] | 1315 | Error(diag::err_fe_pch_file_modified, Filename); |
Douglas Gregor | 2d52be5 | 2010-03-21 22:49:54 +0000 | [diff] [blame] | 1316 | return Failure; |
| 1317 | } |
| 1318 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1319 | SourceLocation IncludeLoc = ReadSourceLocation(*F, Record[1]); |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1320 | if (IncludeLoc.isInvalid() && F->Kind != MK_MainFile) { |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1321 | // This is the module's main file. |
| 1322 | IncludeLoc = getImportLocation(F); |
| 1323 | } |
| 1324 | FileID FID = SourceMgr.createFileID(File, IncludeLoc, |
Chris Lattner | 75dfb65 | 2010-11-23 09:19:42 +0000 | [diff] [blame] | 1325 | (SrcMgr::CharacteristicKind)Record[2], |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1326 | ID, BaseOffset + Record[0]); |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1327 | if (Record[3]) |
| 1328 | const_cast<SrcMgr::FileInfo&>(SourceMgr.getSLocEntry(FID).getFile()) |
| 1329 | .setHasLineDirectives(); |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1330 | |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1331 | break; |
| 1332 | } |
| 1333 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1334 | case SM_SLOC_BUFFER_ENTRY: { |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1335 | const char *Name = BlobStart; |
| 1336 | unsigned Offset = Record[0]; |
| 1337 | unsigned Code = SLocEntryCursor.ReadCode(); |
| 1338 | Record.clear(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1339 | unsigned RecCode |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1340 | = SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 1341 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1342 | if (RecCode != SM_SLOC_BUFFER_BLOB) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1343 | Error("AST record has invalid code"); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 1344 | return Failure; |
| 1345 | } |
| 1346 | |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1347 | llvm::MemoryBuffer *Buffer |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1348 | = llvm::MemoryBuffer::getMemBuffer(StringRef(BlobStart, BlobLen - 1), |
Chris Lattner | a0a270c | 2010-04-05 22:42:27 +0000 | [diff] [blame] | 1349 | Name); |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1350 | FileID BufferID = SourceMgr.createFileIDForMemBuffer(Buffer, ID, |
| 1351 | BaseOffset + Offset); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1352 | |
Douglas Gregor | 92b059e | 2009-04-28 20:33:11 +0000 | [diff] [blame] | 1353 | if (strcmp(Name, "<built-in>") == 0) { |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 1354 | PCHPredefinesBlock Block = { |
| 1355 | BufferID, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1356 | StringRef(BlobStart, BlobLen - 1) |
Sebastian Redl | 7e9ad8b | 2010-07-14 17:49:11 +0000 | [diff] [blame] | 1357 | }; |
| 1358 | PCHPredefinesBuffers.push_back(Block); |
Douglas Gregor | 92b059e | 2009-04-28 20:33:11 +0000 | [diff] [blame] | 1359 | } |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1360 | |
| 1361 | break; |
| 1362 | } |
| 1363 | |
Chandler Carruth | f70d12d | 2011-07-15 07:25:21 +0000 | [diff] [blame] | 1364 | case SM_SLOC_EXPANSION_ENTRY: { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1365 | SourceLocation SpellingLoc = ReadSourceLocation(*F, Record[1]); |
Chandler Carruth | bf340e4 | 2011-07-26 03:03:05 +0000 | [diff] [blame] | 1366 | SourceMgr.createExpansionLoc(SpellingLoc, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1367 | ReadSourceLocation(*F, Record[2]), |
| 1368 | ReadSourceLocation(*F, Record[3]), |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1369 | Record[4], |
| 1370 | ID, |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1371 | BaseOffset + Record[0]); |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1372 | break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1373 | } |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 1374 | } |
| 1375 | |
| 1376 | return Success; |
| 1377 | } |
| 1378 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1379 | /// \brief Find the location where the module F is imported. |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1380 | SourceLocation ASTReader::getImportLocation(Module *F) { |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1381 | if (F->ImportLoc.isValid()) |
| 1382 | return F->ImportLoc; |
Jonathan D. Turner | 2e09163 | 2011-07-29 18:09:09 +0000 | [diff] [blame] | 1383 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1384 | // Otherwise we have a PCH. It's considered to be "imported" at the first |
| 1385 | // location of its includer. |
Jonathan D. Turner | 2e09163 | 2011-07-29 18:09:09 +0000 | [diff] [blame] | 1386 | if (F->ImportedBy.empty() || !F->ImportedBy[0]) { |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1387 | // Main file is the importer. We assume that it is the first entry in the |
| 1388 | // entry table. We can't ask the manager, because at the time of PCH loading |
| 1389 | // the main file entry doesn't exist yet. |
| 1390 | // The very first entry is the invalid instantiation loc, which takes up |
| 1391 | // offsets 0 and 1. |
| 1392 | return SourceLocation::getFromRawEncoding(2U); |
| 1393 | } |
Jonathan D. Turner | 2e09163 | 2011-07-29 18:09:09 +0000 | [diff] [blame] | 1394 | //return F->Loaders[0]->FirstLoc; |
| 1395 | return F->ImportedBy[0]->FirstLoc; |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 1396 | } |
| 1397 | |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1398 | /// ReadBlockAbbrevs - Enter a subblock of the specified BlockID with the |
| 1399 | /// specified cursor. Read the abbreviations that are at the top of the block |
| 1400 | /// and then leave the cursor pointing into the block. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 1401 | bool ASTReader::ReadBlockAbbrevs(llvm::BitstreamCursor &Cursor, |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1402 | unsigned BlockID) { |
| 1403 | if (Cursor.EnterSubBlock(BlockID)) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1404 | Error("malformed block record in AST file"); |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1405 | return Failure; |
| 1406 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1407 | |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1408 | while (true) { |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1409 | uint64_t Offset = Cursor.GetCurrentBitNo(); |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1410 | unsigned Code = Cursor.ReadCode(); |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 1411 | |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1412 | // We expect all abbrevs to be at the start of the block. |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1413 | if (Code != llvm::bitc::DEFINE_ABBREV) { |
| 1414 | Cursor.JumpToBit(Offset); |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1415 | return false; |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1416 | } |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1417 | Cursor.ReadAbbrevRecord(); |
| 1418 | } |
| 1419 | } |
| 1420 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1421 | PreprocessedEntity *ASTReader::ReadMacroRecord(Module &F, uint64_t Offset) { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 1422 | assert(PP && "Forgot to set Preprocessor ?"); |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1423 | llvm::BitstreamCursor &Stream = F.MacroCursor; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1424 | |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1425 | // Keep track of where we are in the stream, then jump back there |
| 1426 | // after reading this macro. |
| 1427 | SavedStreamPosition SavedPosition(Stream); |
| 1428 | |
| 1429 | Stream.JumpToBit(Offset); |
| 1430 | RecordData Record; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1431 | SmallVector<IdentifierInfo*, 16> MacroArgs; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1432 | MacroInfo *Macro = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1433 | |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1434 | while (true) { |
| 1435 | unsigned Code = Stream.ReadCode(); |
| 1436 | switch (Code) { |
| 1437 | case llvm::bitc::END_BLOCK: |
Douglas Gregor | 89d9980 | 2010-11-30 06:16:57 +0000 | [diff] [blame] | 1438 | return 0; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1439 | |
| 1440 | case llvm::bitc::ENTER_SUBBLOCK: |
| 1441 | // No known subblocks, always skip them. |
| 1442 | Stream.ReadSubBlockID(); |
| 1443 | if (Stream.SkipBlock()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1444 | Error("malformed block record in AST file"); |
Douglas Gregor | 89d9980 | 2010-11-30 06:16:57 +0000 | [diff] [blame] | 1445 | return 0; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1446 | } |
| 1447 | continue; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1448 | |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1449 | case llvm::bitc::DEFINE_ABBREV: |
| 1450 | Stream.ReadAbbrevRecord(); |
| 1451 | continue; |
| 1452 | default: break; |
| 1453 | } |
| 1454 | |
| 1455 | // Read a record. |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1456 | const char *BlobStart = 0; |
| 1457 | unsigned BlobLen = 0; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1458 | Record.clear(); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1459 | PreprocessorRecordTypes RecType = |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 1460 | (PreprocessorRecordTypes)Stream.ReadRecord(Code, Record, BlobStart, |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1461 | BlobLen); |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1462 | switch (RecType) { |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1463 | case PP_MACRO_OBJECT_LIKE: |
| 1464 | case PP_MACRO_FUNCTION_LIKE: { |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1465 | // If we already have a macro, that means that we've hit the end |
| 1466 | // of the definition of the macro we were looking for. We're |
| 1467 | // done. |
| 1468 | if (Macro) |
Douglas Gregor | 89d9980 | 2010-11-30 06:16:57 +0000 | [diff] [blame] | 1469 | return 0; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1470 | |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1471 | IdentifierInfo *II = getLocalIdentifier(F, Record[0]); |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1472 | if (II == 0) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1473 | Error("macro must have a name in AST file"); |
Douglas Gregor | 89d9980 | 2010-11-30 06:16:57 +0000 | [diff] [blame] | 1474 | return 0; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1475 | } |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1476 | SourceLocation Loc = ReadSourceLocation(F, Record[1]); |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1477 | bool isUsed = Record[2]; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1478 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 1479 | MacroInfo *MI = PP->AllocateMacroInfo(Loc); |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1480 | MI->setIsUsed(isUsed); |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1481 | MI->setIsFromAST(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1482 | |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 1483 | unsigned NextIndex = 3; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1484 | if (RecType == PP_MACRO_FUNCTION_LIKE) { |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1485 | // Decode function-like macro info. |
| 1486 | bool isC99VarArgs = Record[3]; |
| 1487 | bool isGNUVarArgs = Record[4]; |
| 1488 | MacroArgs.clear(); |
| 1489 | unsigned NumArgs = Record[5]; |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 1490 | NextIndex = 6 + NumArgs; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1491 | for (unsigned i = 0; i != NumArgs; ++i) |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1492 | MacroArgs.push_back(getLocalIdentifier(F, Record[6+i])); |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1493 | |
| 1494 | // Install function-like macro info. |
| 1495 | MI->setIsFunctionLike(); |
| 1496 | if (isC99VarArgs) MI->setIsC99Varargs(); |
| 1497 | if (isGNUVarArgs) MI->setIsGNUVarargs(); |
Douglas Gregor | 75fdb23 | 2009-05-22 22:45:36 +0000 | [diff] [blame] | 1498 | MI->setArgumentList(MacroArgs.data(), MacroArgs.size(), |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 1499 | PP->getPreprocessorAllocator()); |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1500 | } |
| 1501 | |
| 1502 | // Finally, install the macro. |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 1503 | PP->setMacroInfo(II, MI); |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1504 | |
| 1505 | // Remember that we saw this macro last so that we add the tokens that |
| 1506 | // form its body to it. |
| 1507 | Macro = MI; |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 1508 | |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 1509 | if (NextIndex + 1 == Record.size() && PP->getPreprocessingRecord()) { |
| 1510 | // We have a macro definition. Load it now. |
| 1511 | PP->getPreprocessingRecord()->RegisterMacroDefinition(Macro, |
Douglas Gregor | e144c70 | 2011-07-28 22:16:57 +0000 | [diff] [blame] | 1512 | getLocalMacroDefinition(F, Record[NextIndex])); |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 1513 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 1514 | |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1515 | ++NumMacrosRead; |
| 1516 | break; |
| 1517 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1518 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1519 | case PP_TOKEN: { |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1520 | // If we see a TOKEN before a PP_MACRO_*, then the file is |
| 1521 | // erroneous, just pretend we didn't see this. |
| 1522 | if (Macro == 0) break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1523 | |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1524 | Token Tok; |
| 1525 | Tok.startToken(); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1526 | Tok.setLocation(ReadSourceLocation(F, Record[0])); |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1527 | Tok.setLength(Record[1]); |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1528 | if (IdentifierInfo *II = getLocalIdentifier(F, Record[2])) |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1529 | Tok.setIdentifierInfo(II); |
| 1530 | Tok.setKind((tok::TokenKind)Record[3]); |
| 1531 | Tok.setFlag((Token::TokenFlags)Record[4]); |
| 1532 | Macro->AddTokenToBody(Tok); |
| 1533 | break; |
| 1534 | } |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1535 | } |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1536 | } |
Douglas Gregor | 89d9980 | 2010-11-30 06:16:57 +0000 | [diff] [blame] | 1537 | |
| 1538 | return 0; |
Douglas Gregor | 37e2684 | 2009-04-21 23:56:24 +0000 | [diff] [blame] | 1539 | } |
| 1540 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1541 | PreprocessedEntity *ASTReader::LoadPreprocessedEntity(Module &F) { |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1542 | assert(PP && "Forgot to set Preprocessor ?"); |
| 1543 | unsigned Code = F.PreprocessorDetailCursor.ReadCode(); |
| 1544 | switch (Code) { |
| 1545 | case llvm::bitc::END_BLOCK: |
| 1546 | return 0; |
| 1547 | |
| 1548 | case llvm::bitc::ENTER_SUBBLOCK: |
| 1549 | Error("unexpected subblock record in preprocessor detail block"); |
| 1550 | return 0; |
| 1551 | |
| 1552 | case llvm::bitc::DEFINE_ABBREV: |
| 1553 | Error("unexpected abbrevation record in preprocessor detail block"); |
| 1554 | return 0; |
| 1555 | |
| 1556 | default: |
| 1557 | break; |
| 1558 | } |
| 1559 | |
| 1560 | if (!PP->getPreprocessingRecord()) { |
| 1561 | Error("no preprocessing record"); |
| 1562 | return 0; |
| 1563 | } |
| 1564 | |
| 1565 | // Read the record. |
| 1566 | PreprocessingRecord &PPRec = *PP->getPreprocessingRecord(); |
| 1567 | const char *BlobStart = 0; |
| 1568 | unsigned BlobLen = 0; |
| 1569 | RecordData Record; |
| 1570 | PreprocessorDetailRecordTypes RecType = |
| 1571 | (PreprocessorDetailRecordTypes)F.PreprocessorDetailCursor.ReadRecord( |
| 1572 | Code, Record, BlobStart, BlobLen); |
| 1573 | switch (RecType) { |
Chandler Carruth | f70d12d | 2011-07-15 07:25:21 +0000 | [diff] [blame] | 1574 | case PPD_MACRO_EXPANSION: { |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1575 | PreprocessedEntityID GlobalID = getGlobalPreprocessedEntityID(F, Record[0]); |
| 1576 | if (PreprocessedEntity *PE = PPRec.getLoadedPreprocessedEntity(GlobalID)) |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1577 | return PE; |
| 1578 | |
Chandler Carruth | 9e5bb85 | 2011-07-14 08:20:46 +0000 | [diff] [blame] | 1579 | MacroExpansion *ME = |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1580 | new (PPRec) MacroExpansion(getLocalIdentifier(F, Record[3]), |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1581 | SourceRange(ReadSourceLocation(F, Record[1]), |
| 1582 | ReadSourceLocation(F, Record[2])), |
Douglas Gregor | e144c70 | 2011-07-28 22:16:57 +0000 | [diff] [blame] | 1583 | getLocalMacroDefinition(F, Record[4])); |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1584 | PPRec.setLoadedPreallocatedEntity(GlobalID, ME); |
Chandler Carruth | 9e5bb85 | 2011-07-14 08:20:46 +0000 | [diff] [blame] | 1585 | return ME; |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1586 | } |
| 1587 | |
| 1588 | case PPD_MACRO_DEFINITION: { |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1589 | PreprocessedEntityID GlobalID = getGlobalPreprocessedEntityID(F, Record[0]); |
| 1590 | if (PreprocessedEntity *PE = PPRec.getLoadedPreprocessedEntity(GlobalID)) |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1591 | return PE; |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1592 | |
| 1593 | unsigned MacroDefID = getGlobalMacroDefinitionID(F, Record[1]); |
| 1594 | if (MacroDefID > MacroDefinitionsLoaded.size()) { |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1595 | Error("out-of-bounds macro definition record"); |
| 1596 | return 0; |
| 1597 | } |
| 1598 | |
| 1599 | // Decode the identifier info and then check again; if the macro is |
| 1600 | // still defined and associated with the identifier, |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1601 | IdentifierInfo *II = getLocalIdentifier(F, Record[4]); |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1602 | if (!MacroDefinitionsLoaded[MacroDefID - 1]) { |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1603 | MacroDefinition *MD |
| 1604 | = new (PPRec) MacroDefinition(II, |
| 1605 | ReadSourceLocation(F, Record[5]), |
| 1606 | SourceRange( |
| 1607 | ReadSourceLocation(F, Record[2]), |
| 1608 | ReadSourceLocation(F, Record[3]))); |
| 1609 | |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1610 | PPRec.setLoadedPreallocatedEntity(GlobalID, MD); |
| 1611 | MacroDefinitionsLoaded[MacroDefID - 1] = MD; |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1612 | |
| 1613 | if (DeserializationListener) |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1614 | DeserializationListener->MacroDefinitionRead(MacroDefID, MD); |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1615 | } |
| 1616 | |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1617 | return MacroDefinitionsLoaded[MacroDefID - 1]; |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1618 | } |
| 1619 | |
| 1620 | case PPD_INCLUSION_DIRECTIVE: { |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1621 | PreprocessedEntityID GlobalID = getGlobalPreprocessedEntityID(F, Record[0]); |
| 1622 | if (PreprocessedEntity *PE = PPRec.getLoadedPreprocessedEntity(GlobalID)) |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1623 | return PE; |
| 1624 | |
| 1625 | const char *FullFileNameStart = BlobStart + Record[3]; |
| 1626 | const FileEntry *File |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1627 | = PP->getFileManager().getFile(StringRef(FullFileNameStart, |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1628 | BlobLen - Record[3])); |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1629 | |
| 1630 | // FIXME: Stable encoding |
| 1631 | InclusionDirective::InclusionKind Kind |
| 1632 | = static_cast<InclusionDirective::InclusionKind>(Record[5]); |
| 1633 | InclusionDirective *ID |
| 1634 | = new (PPRec) InclusionDirective(PPRec, Kind, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1635 | StringRef(BlobStart, Record[3]), |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1636 | Record[4], |
| 1637 | File, |
| 1638 | SourceRange(ReadSourceLocation(F, Record[1]), |
| 1639 | ReadSourceLocation(F, Record[2]))); |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1640 | PPRec.setLoadedPreallocatedEntity(GlobalID, ID); |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1641 | return ID; |
| 1642 | } |
| 1643 | } |
| 1644 | |
| 1645 | Error("invalid offset in preprocessor detail block"); |
| 1646 | return 0; |
| 1647 | } |
| 1648 | |
Douglas Gregor | 86c67d8 | 2011-07-28 22:39:26 +0000 | [diff] [blame] | 1649 | PreprocessedEntityID |
| 1650 | ASTReader::getGlobalPreprocessedEntityID(Module &M, unsigned LocalID) { |
| 1651 | // FIXME: Local-to-global mapping |
| 1652 | return LocalID; |
| 1653 | } |
| 1654 | |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1655 | namespace { |
| 1656 | /// \brief Trait class used to search the on-disk hash table containing all of |
| 1657 | /// the header search information. |
| 1658 | /// |
| 1659 | /// The on-disk hash table contains a mapping from each header path to |
| 1660 | /// information about that header (how many times it has been included, its |
| 1661 | /// controlling macro, etc.). Note that we actually hash based on the |
| 1662 | /// filename, and support "deep" comparisons of file names based on current |
| 1663 | /// inode numbers, so that the search can cope with non-normalized path names |
| 1664 | /// and symlinks. |
| 1665 | class HeaderFileInfoTrait { |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1666 | ASTReader &Reader; |
| 1667 | Module &M; |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 1668 | HeaderSearch *HS; |
| 1669 | const char *FrameworkStrings; |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1670 | const char *SearchPath; |
| 1671 | struct stat SearchPathStatBuf; |
| 1672 | llvm::Optional<int> SearchPathStatResult; |
| 1673 | |
| 1674 | int StatSimpleCache(const char *Path, struct stat *StatBuf) { |
| 1675 | if (Path == SearchPath) { |
| 1676 | if (!SearchPathStatResult) |
| 1677 | SearchPathStatResult = stat(Path, &SearchPathStatBuf); |
| 1678 | |
| 1679 | *StatBuf = SearchPathStatBuf; |
| 1680 | return *SearchPathStatResult; |
| 1681 | } |
| 1682 | |
| 1683 | return stat(Path, StatBuf); |
| 1684 | } |
| 1685 | |
| 1686 | public: |
| 1687 | typedef const char *external_key_type; |
| 1688 | typedef const char *internal_key_type; |
| 1689 | |
| 1690 | typedef HeaderFileInfo data_type; |
| 1691 | |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1692 | HeaderFileInfoTrait(ASTReader &Reader, Module &M, HeaderSearch *HS, |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 1693 | const char *FrameworkStrings, |
| 1694 | const char *SearchPath = 0) |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1695 | : Reader(Reader), M(M), HS(HS), FrameworkStrings(FrameworkStrings), |
| 1696 | SearchPath(SearchPath) { } |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1697 | |
| 1698 | static unsigned ComputeHash(const char *path) { |
| 1699 | return llvm::HashString(llvm::sys::path::filename(path)); |
| 1700 | } |
| 1701 | |
| 1702 | static internal_key_type GetInternalKey(const char *path) { return path; } |
| 1703 | |
| 1704 | bool EqualKey(internal_key_type a, internal_key_type b) { |
| 1705 | if (strcmp(a, b) == 0) |
| 1706 | return true; |
| 1707 | |
| 1708 | if (llvm::sys::path::filename(a) != llvm::sys::path::filename(b)) |
| 1709 | return false; |
| 1710 | |
| 1711 | // The file names match, but the path names don't. stat() the files to |
| 1712 | // see if they are the same. |
| 1713 | struct stat StatBufA, StatBufB; |
| 1714 | if (StatSimpleCache(a, &StatBufA) || StatSimpleCache(b, &StatBufB)) |
| 1715 | return false; |
| 1716 | |
| 1717 | return StatBufA.st_ino == StatBufB.st_ino; |
| 1718 | } |
| 1719 | |
| 1720 | static std::pair<unsigned, unsigned> |
| 1721 | ReadKeyDataLength(const unsigned char*& d) { |
| 1722 | unsigned KeyLen = (unsigned) clang::io::ReadUnalignedLE16(d); |
| 1723 | unsigned DataLen = (unsigned) *d++; |
| 1724 | return std::make_pair(KeyLen + 1, DataLen); |
| 1725 | } |
| 1726 | |
| 1727 | static internal_key_type ReadKey(const unsigned char *d, unsigned) { |
| 1728 | return (const char *)d; |
| 1729 | } |
| 1730 | |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 1731 | data_type ReadData(const internal_key_type, const unsigned char *d, |
| 1732 | unsigned DataLen) { |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1733 | const unsigned char *End = d + DataLen; |
| 1734 | using namespace clang::io; |
| 1735 | HeaderFileInfo HFI; |
| 1736 | unsigned Flags = *d++; |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 1737 | HFI.isImport = (Flags >> 5) & 0x01; |
| 1738 | HFI.isPragmaOnce = (Flags >> 4) & 0x01; |
| 1739 | HFI.DirInfo = (Flags >> 2) & 0x03; |
| 1740 | HFI.Resolved = (Flags >> 1) & 0x01; |
| 1741 | HFI.IndexHeaderMapHeader = Flags & 0x01; |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1742 | HFI.NumIncludes = ReadUnalignedLE16(d); |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1743 | HFI.ControllingMacroID = Reader.getGlobalDeclID(M, ReadUnalignedLE32(d)); |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 1744 | if (unsigned FrameworkOffset = ReadUnalignedLE32(d)) { |
| 1745 | // The framework offset is 1 greater than the actual offset, |
| 1746 | // since 0 is used as an indicator for "no framework name". |
| 1747 | StringRef FrameworkName(FrameworkStrings + FrameworkOffset - 1); |
| 1748 | HFI.Framework = HS->getUniqueFrameworkName(FrameworkName); |
| 1749 | } |
| 1750 | |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1751 | assert(End == d && "Wrong data length in HeaderFileInfo deserialization"); |
| 1752 | (void)End; |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 1753 | |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 1754 | // This HeaderFileInfo was externally loaded. |
| 1755 | HFI.External = true; |
| 1756 | return HFI; |
| 1757 | } |
| 1758 | }; |
| 1759 | } |
| 1760 | |
| 1761 | /// \brief The on-disk hash table used for the global method pool. |
| 1762 | typedef OnDiskChainedHashTable<HeaderFileInfoTrait> |
| 1763 | HeaderFileInfoLookupTable; |
| 1764 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1765 | void ASTReader::SetIdentifierIsMacro(IdentifierInfo *II, Module &F, |
Douglas Gregor | 2d2689a | 2011-07-28 21:16:51 +0000 | [diff] [blame] | 1766 | uint64_t LocalOffset) { |
Douglas Gregor | 295a2a6 | 2010-10-30 00:23:06 +0000 | [diff] [blame] | 1767 | // Note that this identifier has a macro definition. |
| 1768 | II->setHasMacroDefinition(true); |
| 1769 | |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 1770 | // Adjust the offset to a global offset. |
Douglas Gregor | 2d2689a | 2011-07-28 21:16:51 +0000 | [diff] [blame] | 1771 | UnreadMacroRecordOffsets[II] = F.GlobalBitOffset + LocalOffset; |
Douglas Gregor | 295a2a6 | 2010-10-30 00:23:06 +0000 | [diff] [blame] | 1772 | } |
| 1773 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 1774 | void ASTReader::ReadDefinedMacros() { |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 1775 | for (ModuleReverseIterator I = ModuleMgr.rbegin(), |
| 1776 | E = ModuleMgr.rend(); I != E; ++I) { |
| 1777 | llvm::BitstreamCursor &MacroCursor = (*I)->MacroCursor; |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 1778 | |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1779 | // If there was no preprocessor block, skip this file. |
| 1780 | if (!MacroCursor.getBitStreamReader()) |
| 1781 | continue; |
Kovarththanan Rajaratnam | 6b82f64 | 2010-03-07 19:10:13 +0000 | [diff] [blame] | 1782 | |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1783 | llvm::BitstreamCursor Cursor = MacroCursor; |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 1784 | Cursor.JumpToBit((*I)->MacroStartOffset); |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 1785 | |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1786 | RecordData Record; |
| 1787 | while (true) { |
| 1788 | unsigned Code = Cursor.ReadCode(); |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1789 | if (Code == llvm::bitc::END_BLOCK) |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1790 | break; |
Kovarththanan Rajaratnam | 6b82f64 | 2010-03-07 19:10:13 +0000 | [diff] [blame] | 1791 | |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1792 | if (Code == llvm::bitc::ENTER_SUBBLOCK) { |
| 1793 | // No known subblocks, always skip them. |
| 1794 | Cursor.ReadSubBlockID(); |
| 1795 | if (Cursor.SkipBlock()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1796 | Error("malformed block record in AST file"); |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1797 | return; |
| 1798 | } |
| 1799 | continue; |
| 1800 | } |
Kovarththanan Rajaratnam | 6b82f64 | 2010-03-07 19:10:13 +0000 | [diff] [blame] | 1801 | |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1802 | if (Code == llvm::bitc::DEFINE_ABBREV) { |
| 1803 | Cursor.ReadAbbrevRecord(); |
| 1804 | continue; |
| 1805 | } |
Kovarththanan Rajaratnam | 6b82f64 | 2010-03-07 19:10:13 +0000 | [diff] [blame] | 1806 | |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1807 | // Read a record. |
| 1808 | const char *BlobStart; |
| 1809 | unsigned BlobLen; |
| 1810 | Record.clear(); |
| 1811 | switch (Cursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) { |
| 1812 | default: // Default behavior: ignore. |
| 1813 | break; |
Douglas Gregor | 88a3586 | 2010-01-04 19:18:44 +0000 | [diff] [blame] | 1814 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1815 | case PP_MACRO_OBJECT_LIKE: |
| 1816 | case PP_MACRO_FUNCTION_LIKE: |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 1817 | getLocalIdentifier(**I, Record[0]); |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1818 | break; |
| 1819 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1820 | case PP_TOKEN: |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1821 | // Ignore tokens. |
| 1822 | break; |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1823 | } |
Douglas Gregor | 88a3586 | 2010-01-04 19:18:44 +0000 | [diff] [blame] | 1824 | } |
| 1825 | } |
Douglas Gregor | 295a2a6 | 2010-10-30 00:23:06 +0000 | [diff] [blame] | 1826 | |
| 1827 | // Drain the unread macro-record offsets map. |
| 1828 | while (!UnreadMacroRecordOffsets.empty()) |
| 1829 | LoadMacroDefinition(UnreadMacroRecordOffsets.begin()); |
| 1830 | } |
| 1831 | |
| 1832 | void ASTReader::LoadMacroDefinition( |
| 1833 | llvm::DenseMap<IdentifierInfo *, uint64_t>::iterator Pos) { |
| 1834 | assert(Pos != UnreadMacroRecordOffsets.end() && "Unknown macro definition"); |
Douglas Gregor | 295a2a6 | 2010-10-30 00:23:06 +0000 | [diff] [blame] | 1835 | uint64_t Offset = Pos->second; |
| 1836 | UnreadMacroRecordOffsets.erase(Pos); |
| 1837 | |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 1838 | RecordLocation Loc = getLocalBitOffset(Offset); |
| 1839 | ReadMacroRecord(*Loc.F, Loc.Offset); |
Douglas Gregor | 295a2a6 | 2010-10-30 00:23:06 +0000 | [diff] [blame] | 1840 | } |
| 1841 | |
| 1842 | void ASTReader::LoadMacroDefinition(IdentifierInfo *II) { |
| 1843 | llvm::DenseMap<IdentifierInfo *, uint64_t>::iterator Pos |
| 1844 | = UnreadMacroRecordOffsets.find(II); |
| 1845 | LoadMacroDefinition(Pos); |
Douglas Gregor | 88a3586 | 2010-01-04 19:18:44 +0000 | [diff] [blame] | 1846 | } |
| 1847 | |
Sebastian Redl | f73c93f | 2010-09-15 19:54:06 +0000 | [diff] [blame] | 1848 | MacroDefinition *ASTReader::getMacroDefinition(MacroID ID) { |
Douglas Gregor | 77424bc | 2010-10-02 19:29:26 +0000 | [diff] [blame] | 1849 | if (ID == 0 || ID > MacroDefinitionsLoaded.size()) |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 1850 | return 0; |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1851 | |
Douglas Gregor | 77424bc | 2010-10-02 19:29:26 +0000 | [diff] [blame] | 1852 | if (!MacroDefinitionsLoaded[ID - 1]) { |
Douglas Gregor | 14ad03b | 2011-07-20 01:29:15 +0000 | [diff] [blame] | 1853 | GlobalMacroDefinitionMapType::iterator I =GlobalMacroDefinitionMap.find(ID); |
| 1854 | assert(I != GlobalMacroDefinitionMap.end() && |
| 1855 | "Corrupted global macro definition map"); |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 1856 | Module &M = *I->second; |
| 1857 | unsigned Index = ID - 1 - M.BaseMacroDefinitionID; |
| 1858 | SavedStreamPosition SavedPosition(M.PreprocessorDetailCursor); |
| 1859 | M.PreprocessorDetailCursor.JumpToBit(M.MacroDefinitionOffsets[Index]); |
| 1860 | LoadPreprocessedEntity(M); |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 1861 | } |
| 1862 | |
Douglas Gregor | 77424bc | 2010-10-02 19:29:26 +0000 | [diff] [blame] | 1863 | return MacroDefinitionsLoaded[ID - 1]; |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 1864 | } |
| 1865 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1866 | const FileEntry *ASTReader::getFileEntry(StringRef filenameStrRef) { |
Argyrios Kyrtzidis | b68ffb1 | 2011-06-01 05:43:53 +0000 | [diff] [blame] | 1867 | std::string Filename = filenameStrRef; |
| 1868 | MaybeAddSystemRootToFilename(Filename); |
| 1869 | const FileEntry *File = FileMgr.getFile(Filename); |
| 1870 | if (File == 0 && !OriginalDir.empty() && !CurrentDir.empty() && |
| 1871 | OriginalDir != CurrentDir) { |
| 1872 | std::string resolved = resolveFileRelativeToOriginalDir(Filename, |
| 1873 | OriginalDir, |
| 1874 | CurrentDir); |
| 1875 | if (!resolved.empty()) |
| 1876 | File = FileMgr.getFile(resolved); |
| 1877 | } |
| 1878 | |
| 1879 | return File; |
| 1880 | } |
| 1881 | |
Douglas Gregor | e144c70 | 2011-07-28 22:16:57 +0000 | [diff] [blame] | 1882 | MacroID ASTReader::getGlobalMacroDefinitionID(Module &M, unsigned LocalID) { |
| 1883 | // FIXME: Local-to-global mapping |
| 1884 | return LocalID; |
| 1885 | } |
| 1886 | |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1887 | /// \brief If we are loading a relocatable PCH file, and the filename is |
| 1888 | /// not an absolute path, add the system root to the beginning of the file |
| 1889 | /// name. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 1890 | void ASTReader::MaybeAddSystemRootToFilename(std::string &Filename) { |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1891 | // If this is not a relocatable PCH file, there's nothing to do. |
| 1892 | if (!RelocatablePCH) |
| 1893 | return; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1894 | |
Michael J. Spencer | 256053b | 2010-12-17 21:22:22 +0000 | [diff] [blame] | 1895 | if (Filename.empty() || llvm::sys::path::is_absolute(Filename)) |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1896 | return; |
| 1897 | |
Douglas Gregor | 832d620 | 2011-07-22 16:35:34 +0000 | [diff] [blame] | 1898 | if (isysroot.empty()) { |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1899 | // If no system root was given, default to '/' |
| 1900 | Filename.insert(Filename.begin(), '/'); |
| 1901 | return; |
| 1902 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1903 | |
Douglas Gregor | 832d620 | 2011-07-22 16:35:34 +0000 | [diff] [blame] | 1904 | unsigned Length = isysroot.size(); |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1905 | if (isysroot[Length - 1] != '/') |
| 1906 | Filename.insert(Filename.begin(), '/'); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1907 | |
Douglas Gregor | 832d620 | 2011-07-22 16:35:34 +0000 | [diff] [blame] | 1908 | Filename.insert(Filename.begin(), isysroot.begin(), isysroot.end()); |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 1909 | } |
| 1910 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 1911 | ASTReader::ASTReadResult |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 1912 | ASTReader::ReadASTBlock(Module &F) { |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 1913 | llvm::BitstreamCursor &Stream = F.Stream; |
| 1914 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1915 | if (Stream.EnterSubBlock(AST_BLOCK_ID)) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1916 | Error("malformed block record in AST file"); |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 1917 | return Failure; |
| 1918 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 1919 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1920 | // Read all of the records and blocks for the ASt file. |
Douglas Gregor | 8038d51 | 2009-04-10 17:25:41 +0000 | [diff] [blame] | 1921 | RecordData Record; |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 1922 | bool First = true; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 1923 | while (!Stream.AtEndOfStream()) { |
| 1924 | unsigned Code = Stream.ReadCode(); |
| 1925 | if (Code == llvm::bitc::END_BLOCK) { |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 1926 | if (Stream.ReadBlockEnd()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1927 | Error("error at end of module block in AST file"); |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 1928 | return Failure; |
| 1929 | } |
Chris Lattner | 7356a31 | 2009-04-11 21:15:38 +0000 | [diff] [blame] | 1930 | |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 1931 | return Success; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 1932 | } |
| 1933 | |
| 1934 | if (Code == llvm::bitc::ENTER_SUBBLOCK) { |
| 1935 | switch (Stream.ReadSubBlockID()) { |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1936 | case DECLTYPES_BLOCK_ID: |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1937 | // We lazily load the decls block, but we want to set up the |
| 1938 | // DeclsCursor cursor to point into it. Clone our current bitcode |
| 1939 | // cursor to it, enter the block and read the abbrevs in that block. |
| 1940 | // With the main cursor, we just skip over it. |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 1941 | F.DeclsCursor = Stream; |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1942 | if (Stream.SkipBlock() || // Skip with the main cursor. |
| 1943 | // Read the abbrevs. |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1944 | ReadBlockAbbrevs(F.DeclsCursor, DECLTYPES_BLOCK_ID)) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1945 | Error("malformed block record in AST file"); |
Chris Lattner | 6367f6d | 2009-04-27 01:05:14 +0000 | [diff] [blame] | 1946 | return Failure; |
| 1947 | } |
| 1948 | break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1949 | |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 1950 | case DECL_UPDATES_BLOCK_ID: |
| 1951 | if (Stream.SkipBlock()) { |
| 1952 | Error("malformed block record in AST file"); |
| 1953 | return Failure; |
| 1954 | } |
| 1955 | break; |
| 1956 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1957 | case PREPROCESSOR_BLOCK_ID: |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 1958 | F.MacroCursor = Stream; |
Douglas Gregor | 88a3586 | 2010-01-04 19:18:44 +0000 | [diff] [blame] | 1959 | if (PP) |
| 1960 | PP->setExternalSource(this); |
| 1961 | |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1962 | if (Stream.SkipBlock() || |
| 1963 | ReadBlockAbbrevs(F.MacroCursor, PREPROCESSOR_BLOCK_ID)) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1964 | Error("malformed block record in AST file"); |
Chris Lattner | 7356a31 | 2009-04-11 21:15:38 +0000 | [diff] [blame] | 1965 | return Failure; |
| 1966 | } |
Douglas Gregor | ecdcb88 | 2010-10-20 22:00:55 +0000 | [diff] [blame] | 1967 | F.MacroStartOffset = F.MacroCursor.GetCurrentBitNo(); |
Chris Lattner | 7356a31 | 2009-04-11 21:15:38 +0000 | [diff] [blame] | 1968 | break; |
Steve Naroff | 90cd1bb | 2009-04-23 10:39:46 +0000 | [diff] [blame] | 1969 | |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 1970 | case PREPROCESSOR_DETAIL_BLOCK_ID: |
| 1971 | F.PreprocessorDetailCursor = Stream; |
| 1972 | if (Stream.SkipBlock() || |
| 1973 | ReadBlockAbbrevs(F.PreprocessorDetailCursor, |
| 1974 | PREPROCESSOR_DETAIL_BLOCK_ID)) { |
| 1975 | Error("malformed preprocessor detail record in AST file"); |
| 1976 | return Failure; |
| 1977 | } |
| 1978 | F.PreprocessorDetailStartOffset |
| 1979 | = F.PreprocessorDetailCursor.GetCurrentBitNo(); |
| 1980 | break; |
| 1981 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 1982 | case SOURCE_MANAGER_BLOCK_ID: |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 1983 | switch (ReadSourceManagerBlock(F)) { |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 1984 | case Success: |
| 1985 | break; |
| 1986 | |
| 1987 | case Failure: |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 1988 | Error("malformed source manager block in AST file"); |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 1989 | return Failure; |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 1990 | |
| 1991 | case IgnorePCH: |
| 1992 | return IgnorePCH; |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 1993 | } |
Douglas Gregor | 14f7900 | 2009-04-10 03:52:48 +0000 | [diff] [blame] | 1994 | break; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 1995 | } |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 1996 | First = false; |
Douglas Gregor | 8038d51 | 2009-04-10 17:25:41 +0000 | [diff] [blame] | 1997 | continue; |
| 1998 | } |
| 1999 | |
| 2000 | if (Code == llvm::bitc::DEFINE_ABBREV) { |
| 2001 | Stream.ReadAbbrevRecord(); |
| 2002 | continue; |
| 2003 | } |
| 2004 | |
| 2005 | // Read and process a record. |
| 2006 | Record.clear(); |
Douglas Gregor | 2bec041 | 2009-04-10 21:16:55 +0000 | [diff] [blame] | 2007 | const char *BlobStart = 0; |
| 2008 | unsigned BlobLen = 0; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2009 | switch ((ASTRecordTypes)Stream.ReadRecord(Code, Record, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 2010 | &BlobStart, &BlobLen)) { |
Douglas Gregor | 8038d51 | 2009-04-10 17:25:41 +0000 | [diff] [blame] | 2011 | default: // Default behavior: ignore. |
| 2012 | break; |
| 2013 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2014 | case METADATA: { |
| 2015 | if (Record[0] != VERSION_MAJOR && !DisableValidation) { |
| 2016 | Diag(Record[0] < VERSION_MAJOR? diag::warn_pch_version_too_old |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2017 | : diag::warn_pch_version_too_new); |
| 2018 | return IgnorePCH; |
| 2019 | } |
| 2020 | |
| 2021 | RelocatablePCH = Record[4]; |
| 2022 | if (Listener) { |
| 2023 | std::string TargetTriple(BlobStart, BlobLen); |
| 2024 | if (Listener->ReadTargetTriple(TargetTriple)) |
| 2025 | return IgnorePCH; |
| 2026 | } |
| 2027 | break; |
| 2028 | } |
| 2029 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2030 | case CHAINED_METADATA: { |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 2031 | if (!First) { |
| 2032 | Error("CHAINED_METADATA is not first record in block"); |
| 2033 | return Failure; |
| 2034 | } |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2035 | if (Record[0] != VERSION_MAJOR && !DisableValidation) { |
| 2036 | Diag(Record[0] < VERSION_MAJOR? diag::warn_pch_version_too_old |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2037 | : diag::warn_pch_version_too_new); |
| 2038 | return IgnorePCH; |
| 2039 | } |
| 2040 | |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 2041 | // Load the chained file, which is always a PCH file. |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 2042 | // FIXME: This could end up being a module. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 2043 | switch(ReadASTCore(StringRef(BlobStart, BlobLen), MK_PCH)) { |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2044 | case Failure: return Failure; |
| 2045 | // If we have to ignore the dependency, we'll have to ignore this too. |
| 2046 | case IgnorePCH: return IgnorePCH; |
| 2047 | case Success: break; |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 2048 | } |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2049 | break; |
| 2050 | } |
| 2051 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2052 | case TYPE_OFFSET: |
Sebastian Redl | 12d6da0 | 2010-07-19 22:06:55 +0000 | [diff] [blame] | 2053 | if (F.LocalNumTypes != 0) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2054 | Error("duplicate TYPE_OFFSET record in AST file"); |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 2055 | return Failure; |
| 2056 | } |
Sebastian Redl | 12d6da0 | 2010-07-19 22:06:55 +0000 | [diff] [blame] | 2057 | F.TypeOffsets = (const uint32_t *)BlobStart; |
| 2058 | F.LocalNumTypes = Record[0]; |
Douglas Gregor | 1e849b6 | 2011-07-29 00:21:44 +0000 | [diff] [blame] | 2059 | F.BaseTypeID = getTotalNumTypes(); |
| 2060 | |
Jonathan D. Turner | e9b76c1 | 2011-07-20 21:31:32 +0000 | [diff] [blame] | 2061 | // Introduce the global -> local mapping for types within this |
| 2062 | // AST file. |
Douglas Gregor | 1e849b6 | 2011-07-29 00:21:44 +0000 | [diff] [blame] | 2063 | GlobalTypeMap.insert(std::make_pair(getTotalNumTypes() + 1, &F)); |
Jonathan D. Turner | e9b76c1 | 2011-07-20 21:31:32 +0000 | [diff] [blame] | 2064 | TypesLoaded.resize(TypesLoaded.size() + F.LocalNumTypes); |
Douglas Gregor | 8038d51 | 2009-04-10 17:25:41 +0000 | [diff] [blame] | 2065 | break; |
| 2066 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2067 | case DECL_OFFSET: |
Sebastian Redl | 12d6da0 | 2010-07-19 22:06:55 +0000 | [diff] [blame] | 2068 | if (F.LocalNumDecls != 0) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2069 | Error("duplicate DECL_OFFSET record in AST file"); |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 2070 | return Failure; |
| 2071 | } |
Sebastian Redl | 12d6da0 | 2010-07-19 22:06:55 +0000 | [diff] [blame] | 2072 | F.DeclOffsets = (const uint32_t *)BlobStart; |
| 2073 | F.LocalNumDecls = Record[0]; |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2074 | F.BaseDeclID = getTotalNumDecls(); |
Douglas Gregor | 96e973f | 2011-07-20 00:27:43 +0000 | [diff] [blame] | 2075 | |
| 2076 | // Introduce the global -> local mapping for declarations within this |
Douglas Gregor | 67268d0 | 2011-07-20 00:59:32 +0000 | [diff] [blame] | 2077 | // AST file. |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2078 | GlobalDeclMap.insert(std::make_pair(getTotalNumDecls() + 1, &F)); |
Douglas Gregor | 67268d0 | 2011-07-20 00:59:32 +0000 | [diff] [blame] | 2079 | DeclsLoaded.resize(DeclsLoaded.size() + F.LocalNumDecls); |
Douglas Gregor | 8038d51 | 2009-04-10 17:25:41 +0000 | [diff] [blame] | 2080 | break; |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 2081 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2082 | case TU_UPDATE_LEXICAL: { |
Sebastian Redl | d692af7 | 2010-07-27 18:24:41 +0000 | [diff] [blame] | 2083 | DeclContextInfo Info = { |
Douglas Gregor | f5bb9ae | 2011-07-21 23:29:11 +0000 | [diff] [blame] | 2084 | &F, |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 2085 | /* No visible information */ 0, |
Argyrios Kyrtzidis | eb5e998 | 2010-10-14 20:14:34 +0000 | [diff] [blame] | 2086 | reinterpret_cast<const KindDeclIDPair *>(BlobStart), |
Douglas Gregor | ec12ce2 | 2011-07-28 14:20:37 +0000 | [diff] [blame] | 2087 | static_cast<unsigned int>(BlobLen / sizeof(KindDeclIDPair)) |
Sebastian Redl | d692af7 | 2010-07-27 18:24:41 +0000 | [diff] [blame] | 2088 | }; |
Douglas Gregor | 3747ee7 | 2010-10-01 01:18:02 +0000 | [diff] [blame] | 2089 | DeclContextOffsets[Context ? Context->getTranslationUnitDecl() : 0] |
| 2090 | .push_back(Info); |
Sebastian Redl | d692af7 | 2010-07-27 18:24:41 +0000 | [diff] [blame] | 2091 | break; |
| 2092 | } |
| 2093 | |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 2094 | case UPDATE_VISIBLE: { |
| 2095 | serialization::DeclID ID = Record[0]; |
| 2096 | void *Table = ASTDeclContextNameLookupTable::Create( |
| 2097 | (const unsigned char *)BlobStart + Record[1], |
| 2098 | (const unsigned char *)BlobStart, |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 2099 | ASTDeclContextNameLookupTrait(*this, F)); |
Douglas Gregor | 3747ee7 | 2010-10-01 01:18:02 +0000 | [diff] [blame] | 2100 | if (ID == 1 && Context) { // Is it the TU? |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 2101 | DeclContextInfo Info = { |
Douglas Gregor | f5bb9ae | 2011-07-21 23:29:11 +0000 | [diff] [blame] | 2102 | &F, Table, /* No lexical inforamtion */ 0, 0 |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 2103 | }; |
| 2104 | DeclContextOffsets[Context->getTranslationUnitDecl()].push_back(Info); |
| 2105 | } else |
| 2106 | PendingVisibleUpdates[ID].push_back(Table); |
| 2107 | break; |
| 2108 | } |
| 2109 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2110 | case REDECLS_UPDATE_LATEST: { |
Argyrios Kyrtzidis | a865005 | 2010-08-03 17:30:10 +0000 | [diff] [blame] | 2111 | assert(Record.size() % 2 == 0 && "Expected pairs of DeclIDs"); |
| 2112 | for (unsigned i = 0, e = Record.size(); i < e; i += 2) { |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2113 | DeclID First = Record[i], Latest = Record[i+1]; |
Argyrios Kyrtzidis | a865005 | 2010-08-03 17:30:10 +0000 | [diff] [blame] | 2114 | assert((FirstLatestDeclIDs.find(First) == FirstLatestDeclIDs.end() || |
| 2115 | Latest > FirstLatestDeclIDs[First]) && |
| 2116 | "The new latest is supposed to come after the previous latest"); |
| 2117 | FirstLatestDeclIDs[First] = Latest; |
| 2118 | } |
| 2119 | break; |
| 2120 | } |
| 2121 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2122 | case LANGUAGE_OPTIONS: |
Douglas Gregor | fae3b2f | 2010-07-27 00:27:13 +0000 | [diff] [blame] | 2123 | if (ParseLanguageOptions(Record) && !DisableValidation) |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 2124 | return IgnorePCH; |
| 2125 | break; |
Douglas Gregor | 2bec041 | 2009-04-10 21:16:55 +0000 | [diff] [blame] | 2126 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2127 | case IDENTIFIER_TABLE: |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 2128 | F.IdentifierTableData = BlobStart; |
Douglas Gregor | 2b3a5a8 | 2009-04-25 19:10:14 +0000 | [diff] [blame] | 2129 | if (Record[0]) { |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 2130 | F.IdentifierLookupTable |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2131 | = ASTIdentifierLookupTable::Create( |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 2132 | (const unsigned char *)F.IdentifierTableData + Record[0], |
| 2133 | (const unsigned char *)F.IdentifierTableData, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 2134 | ASTIdentifierLookupTrait(*this, F)); |
Douglas Gregor | 0cdd798 | 2011-07-21 18:46:38 +0000 | [diff] [blame] | 2135 | if (PP) { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2136 | PP->getIdentifierTable().setExternalIdentifierLookup(this); |
Douglas Gregor | 0cdd798 | 2011-07-21 18:46:38 +0000 | [diff] [blame] | 2137 | PP->getHeaderSearchInfo().SetExternalLookup(this); |
| 2138 | } |
Douglas Gregor | 2b3a5a8 | 2009-04-25 19:10:14 +0000 | [diff] [blame] | 2139 | } |
Douglas Gregor | afaf308 | 2009-04-11 00:14:32 +0000 | [diff] [blame] | 2140 | break; |
| 2141 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2142 | case IDENTIFIER_OFFSET: |
Sebastian Redl | 2da08f9 | 2010-07-19 22:28:42 +0000 | [diff] [blame] | 2143 | if (F.LocalNumIdentifiers != 0) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2144 | Error("duplicate IDENTIFIER_OFFSET record in AST file"); |
Douglas Gregor | afaf308 | 2009-04-11 00:14:32 +0000 | [diff] [blame] | 2145 | return Failure; |
| 2146 | } |
Sebastian Redl | 2da08f9 | 2010-07-19 22:28:42 +0000 | [diff] [blame] | 2147 | F.IdentifierOffsets = (const uint32_t *)BlobStart; |
| 2148 | F.LocalNumIdentifiers = Record[0]; |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2149 | F.BaseIdentifierID = getTotalNumIdentifiers(); |
Douglas Gregor | 67268d0 | 2011-07-20 00:59:32 +0000 | [diff] [blame] | 2150 | |
| 2151 | // Introduce the global -> local mapping for identifiers within this AST |
| 2152 | // file |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2153 | GlobalIdentifierMap.insert(std::make_pair(getTotalNumIdentifiers() + 1, |
| 2154 | &F)); |
Douglas Gregor | 67268d0 | 2011-07-20 00:59:32 +0000 | [diff] [blame] | 2155 | IdentifiersLoaded.resize(IdentifiersLoaded.size() +F.LocalNumIdentifiers); |
Douglas Gregor | afaf308 | 2009-04-11 00:14:32 +0000 | [diff] [blame] | 2156 | break; |
Douglas Gregor | fdd0172 | 2009-04-14 00:24:19 +0000 | [diff] [blame] | 2157 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2158 | case EXTERNAL_DEFINITIONS: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2159 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2160 | ExternalDefinitions.push_back(getGlobalDeclID(F, Record[I])); |
Douglas Gregor | fdd0172 | 2009-04-14 00:24:19 +0000 | [diff] [blame] | 2161 | break; |
Douglas Gregor | 3e1af84 | 2009-04-17 22:13:46 +0000 | [diff] [blame] | 2162 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2163 | case SPECIAL_TYPES: |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 2164 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2165 | SpecialTypes.push_back(getGlobalTypeID(F, Record[I])); |
Douglas Gregor | ad1de00 | 2009-04-18 05:55:16 +0000 | [diff] [blame] | 2166 | break; |
| 2167 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2168 | case STATISTICS: |
Sebastian Redl | 518d8cb | 2010-07-20 21:20:32 +0000 | [diff] [blame] | 2169 | TotalNumStatements += Record[0]; |
| 2170 | TotalNumMacros += Record[1]; |
| 2171 | TotalLexicalDeclContexts += Record[2]; |
| 2172 | TotalVisibleDeclContexts += Record[3]; |
Douglas Gregor | 3e1af84 | 2009-04-17 22:13:46 +0000 | [diff] [blame] | 2173 | break; |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 2174 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2175 | case UNUSED_FILESCOPED_DECLS: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2176 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2177 | UnusedFileScopedDecls.push_back(getGlobalDeclID(F, Record[I])); |
Tanya Lattner | e6bbc01 | 2010-02-12 00:07:30 +0000 | [diff] [blame] | 2178 | break; |
Kovarththanan Rajaratnam | 6b82f64 | 2010-03-07 19:10:13 +0000 | [diff] [blame] | 2179 | |
Sean Hunt | ebcbe1d | 2011-05-04 23:29:54 +0000 | [diff] [blame] | 2180 | case DELEGATING_CTORS: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2181 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2182 | DelegatingCtorDecls.push_back(getGlobalDeclID(F, Record[I])); |
Sean Hunt | ebcbe1d | 2011-05-04 23:29:54 +0000 | [diff] [blame] | 2183 | break; |
| 2184 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2185 | case WEAK_UNDECLARED_IDENTIFIERS: |
Douglas Gregor | 31e37b2 | 2011-07-28 18:09:57 +0000 | [diff] [blame] | 2186 | if (Record.size() % 4 != 0) { |
| 2187 | Error("invalid weak identifiers record"); |
| 2188 | return Failure; |
| 2189 | } |
| 2190 | |
| 2191 | // FIXME: Ignore weak undeclared identifiers from non-original PCH |
| 2192 | // files. This isn't the way to do it :) |
| 2193 | WeakUndeclaredIdentifiers.clear(); |
| 2194 | |
| 2195 | // Translate the weak, undeclared identifiers into global IDs. |
| 2196 | for (unsigned I = 0, N = Record.size(); I < N; /* in loop */) { |
| 2197 | WeakUndeclaredIdentifiers.push_back( |
| 2198 | getGlobalIdentifierID(F, Record[I++])); |
| 2199 | WeakUndeclaredIdentifiers.push_back( |
| 2200 | getGlobalIdentifierID(F, Record[I++])); |
| 2201 | WeakUndeclaredIdentifiers.push_back( |
| 2202 | ReadSourceLocation(F, Record, I).getRawEncoding()); |
| 2203 | WeakUndeclaredIdentifiers.push_back(Record[I++]); |
| 2204 | } |
Argyrios Kyrtzidis | 72b9057 | 2010-08-05 09:48:08 +0000 | [diff] [blame] | 2205 | break; |
| 2206 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2207 | case LOCALLY_SCOPED_EXTERNAL_DECLS: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2208 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2209 | LocallyScopedExternalDecls.push_back(getGlobalDeclID(F, Record[I])); |
Douglas Gregor | 14c22f2 | 2009-04-22 22:18:58 +0000 | [diff] [blame] | 2210 | break; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 2211 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2212 | case SELECTOR_OFFSETS: |
Sebastian Redl | 059612d | 2010-08-03 21:58:15 +0000 | [diff] [blame] | 2213 | F.SelectorOffsets = (const uint32_t *)BlobStart; |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 2214 | F.LocalNumSelectors = Record[0]; |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2215 | F.BaseSelectorID = getTotalNumSelectors(); |
Douglas Gregor | 96958cb | 2011-07-20 01:10:58 +0000 | [diff] [blame] | 2216 | |
| 2217 | // Introduce the global -> local mapping for identifiers within this AST |
| 2218 | // file |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2219 | GlobalSelectorMap.insert(std::make_pair(getTotalNumSelectors() + 1, &F)); |
Douglas Gregor | 96958cb | 2011-07-20 01:10:58 +0000 | [diff] [blame] | 2220 | SelectorsLoaded.resize(SelectorsLoaded.size() + F.LocalNumSelectors); |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 2221 | break; |
| 2222 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2223 | case METHOD_POOL: |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 2224 | F.SelectorLookupTableData = (const unsigned char *)BlobStart; |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 2225 | if (Record[0]) |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 2226 | F.SelectorLookupTable |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2227 | = ASTSelectorLookupTable::Create( |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 2228 | F.SelectorLookupTableData + Record[0], |
| 2229 | F.SelectorLookupTableData, |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2230 | ASTSelectorLookupTrait(*this, F)); |
Sebastian Redl | fa78dec | 2010-08-04 21:22:45 +0000 | [diff] [blame] | 2231 | TotalNumMethodPoolEntries += Record[1]; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 2232 | break; |
Douglas Gregor | 2eafc1b | 2009-04-26 00:07:37 +0000 | [diff] [blame] | 2233 | |
Sebastian Redl | 4ee5a6f | 2010-09-22 00:42:30 +0000 | [diff] [blame] | 2234 | case REFERENCED_SELECTOR_POOL: |
Douglas Gregor | 8451ec7 | 2011-07-28 14:41:43 +0000 | [diff] [blame] | 2235 | if (!Record.empty()) { |
| 2236 | for (unsigned Idx = 0, N = Record.size() - 1; Idx < N; /* in loop */) { |
| 2237 | ReferencedSelectorsData.push_back(getGlobalSelectorID(F, |
| 2238 | Record[Idx++])); |
| 2239 | ReferencedSelectorsData.push_back(ReadSourceLocation(F, Record, Idx). |
| 2240 | getRawEncoding()); |
| 2241 | } |
| 2242 | } |
Fariborz Jahanian | 3201983 | 2010-07-23 19:11:11 +0000 | [diff] [blame] | 2243 | break; |
| 2244 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2245 | case PP_COUNTER_VALUE: |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2246 | if (!Record.empty() && Listener) |
| 2247 | Listener->ReadCounter(Record[0]); |
Douglas Gregor | 2eafc1b | 2009-04-26 00:07:37 +0000 | [diff] [blame] | 2248 | break; |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 2249 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2250 | case SOURCE_LOCATION_OFFSETS: { |
| 2251 | F.SLocEntryOffsets = (const uint32_t *)BlobStart; |
Sebastian Redl | 518d8cb | 2010-07-20 21:20:32 +0000 | [diff] [blame] | 2252 | F.LocalNumSLocEntries = Record[0]; |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2253 | llvm::tie(F.SLocEntryBaseID, F.SLocEntryBaseOffset) = |
| 2254 | SourceMgr.AllocateLoadedSLocEntries(F.LocalNumSLocEntries, Record[1]); |
| 2255 | // Make our entry in the range map. BaseID is negative and growing, so |
| 2256 | // we invert it. Because we invert it, though, we need the other end of |
| 2257 | // the range. |
| 2258 | unsigned RangeStart = |
| 2259 | unsigned(-F.SLocEntryBaseID) - F.LocalNumSLocEntries + 1; |
| 2260 | GlobalSLocEntryMap.insert(std::make_pair(RangeStart, &F)); |
| 2261 | F.FirstLoc = SourceLocation::getFromRawEncoding(F.SLocEntryBaseOffset); |
| 2262 | |
| 2263 | // Initialize the remapping table. |
| 2264 | // Invalid stays invalid. |
| 2265 | F.SLocRemap.insert(std::make_pair(0U, 0)); |
| 2266 | // This module. Base was 2 when being compiled. |
| 2267 | F.SLocRemap.insert(std::make_pair(2U, |
| 2268 | static_cast<int>(F.SLocEntryBaseOffset - 2))); |
Douglas Gregor | 0cdd798 | 2011-07-21 18:46:38 +0000 | [diff] [blame] | 2269 | |
| 2270 | TotalNumSLocEntries += F.LocalNumSLocEntries; |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2271 | break; |
| 2272 | } |
| 2273 | |
Douglas Gregor | 5d51a1d | 2011-08-01 16:01:55 +0000 | [diff] [blame] | 2274 | case MODULE_OFFSET_MAP: { |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2275 | // Additional remapping information. |
| 2276 | const unsigned char *Data = (const unsigned char*)BlobStart; |
| 2277 | const unsigned char *DataEnd = Data + BlobLen; |
Douglas Gregor | f33740e | 2011-08-02 10:56:51 +0000 | [diff] [blame^] | 2278 | |
| 2279 | // Continuous range maps we may be updating in our module. |
| 2280 | ContinuousRangeMap<uint32_t, int, 2>::Builder SLocRemap(F.SLocRemap); |
| 2281 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2282 | while(Data < DataEnd) { |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2283 | uint16_t Len = io::ReadUnalignedLE16(Data); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 2284 | StringRef Name = StringRef((const char*)Data, Len); |
Douglas Gregor | f33740e | 2011-08-02 10:56:51 +0000 | [diff] [blame^] | 2285 | Data += Len; |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 2286 | Module *OM = ModuleMgr.lookup(Name); |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2287 | if (!OM) { |
| 2288 | Error("SourceLocation remap refers to unknown module"); |
| 2289 | return Failure; |
| 2290 | } |
Douglas Gregor | f33740e | 2011-08-02 10:56:51 +0000 | [diff] [blame^] | 2291 | |
| 2292 | uint32_t SLocOffset = io::ReadUnalignedLE32(Data); |
| 2293 | uint32_t IdentifierIDOffset = io::ReadUnalignedLE32(Data); |
| 2294 | uint32_t PreprocessedEntityIDOffset = io::ReadUnalignedLE32(Data); |
| 2295 | uint32_t MacroDefinitionIDOffset = io::ReadUnalignedLE32(Data); |
| 2296 | uint32_t SelectorIDOffset = io::ReadUnalignedLE32(Data); |
| 2297 | uint32_t DeclIDOffset = io::ReadUnalignedLE32(Data); |
| 2298 | uint32_t CXXBaseSpecifiersIDOffset = io::ReadUnalignedLE32(Data); |
| 2299 | uint32_t TypeIDOffset = io::ReadUnalignedLE32(Data); |
| 2300 | |
| 2301 | // Source location offset is mapped to OM->SLocEntryBaseOffset. |
| 2302 | SLocRemap.insert(std::make_pair(SLocOffset, |
| 2303 | static_cast<int>(OM->SLocEntryBaseOffset - SLocOffset))); |
| 2304 | |
| 2305 | // FIXME: Map other locations |
| 2306 | (void)IdentifierIDOffset; |
| 2307 | (void)PreprocessedEntityIDOffset; |
| 2308 | (void)MacroDefinitionIDOffset; |
| 2309 | (void)SelectorIDOffset; |
| 2310 | (void)DeclIDOffset; |
| 2311 | (void)CXXBaseSpecifiersIDOffset; |
| 2312 | (void)TypeIDOffset; |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2313 | } |
| 2314 | break; |
| 2315 | } |
| 2316 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2317 | case SOURCE_MANAGER_LINE_TABLE: |
| 2318 | if (ParseLineTable(F, Record)) |
| 2319 | return Failure; |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 2320 | break; |
| 2321 | |
Argyrios Kyrtzidis | 4cdb0e2 | 2011-06-02 20:01:46 +0000 | [diff] [blame] | 2322 | case FILE_SOURCE_LOCATION_OFFSETS: |
| 2323 | F.SLocFileOffsets = (const uint32_t *)BlobStart; |
| 2324 | F.LocalNumSLocFileEntries = Record[0]; |
| 2325 | break; |
| 2326 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2327 | case SOURCE_LOCATION_PRELOADS: { |
| 2328 | // Need to transform from the local view (1-based IDs) to the global view, |
| 2329 | // which is based off F.SLocEntryBaseID. |
| 2330 | PreloadSLocEntries.reserve(PreloadSLocEntries.size() + Record.size()); |
| 2331 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2332 | PreloadSLocEntries.push_back(int(Record[I] - 1) + F.SLocEntryBaseID); |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 2333 | break; |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2334 | } |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 2335 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2336 | case STAT_CACHE: { |
Douglas Gregor | 8ef6c8c | 2011-02-05 19:42:43 +0000 | [diff] [blame] | 2337 | if (!DisableStatCache) { |
| 2338 | ASTStatCache *MyStatCache = |
| 2339 | new ASTStatCache((const unsigned char *)BlobStart + Record[0], |
| 2340 | (const unsigned char *)BlobStart, |
| 2341 | NumStatHits, NumStatMisses); |
| 2342 | FileMgr.addStatCache(MyStatCache); |
| 2343 | F.StatCache = MyStatCache; |
| 2344 | } |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 2345 | break; |
Douglas Gregor | 52e7108 | 2009-10-16 18:18:30 +0000 | [diff] [blame] | 2346 | } |
Kovarththanan Rajaratnam | 6b82f64 | 2010-03-07 19:10:13 +0000 | [diff] [blame] | 2347 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2348 | case EXT_VECTOR_DECLS: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2349 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2350 | ExtVectorDecls.push_back(getGlobalDeclID(F, Record[I])); |
Douglas Gregor | b81c170 | 2009-04-27 20:06:05 +0000 | [diff] [blame] | 2351 | break; |
| 2352 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2353 | case VTABLE_USES: |
Douglas Gregor | dfe6543 | 2011-07-28 19:11:31 +0000 | [diff] [blame] | 2354 | if (Record.size() % 3 != 0) { |
| 2355 | Error("Invalid VTABLE_USES record"); |
| 2356 | return Failure; |
| 2357 | } |
| 2358 | |
Sebastian Redl | 4056680 | 2010-08-05 18:21:25 +0000 | [diff] [blame] | 2359 | // Later tables overwrite earlier ones. |
Douglas Gregor | dfe6543 | 2011-07-28 19:11:31 +0000 | [diff] [blame] | 2360 | // FIXME: Modules will have some trouble with this. This is clearly not |
| 2361 | // the right way to do this. |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2362 | VTableUses.clear(); |
Douglas Gregor | dfe6543 | 2011-07-28 19:11:31 +0000 | [diff] [blame] | 2363 | |
| 2364 | for (unsigned Idx = 0, N = Record.size(); Idx != N; /* In loop */) { |
| 2365 | VTableUses.push_back(getGlobalDeclID(F, Record[Idx++])); |
| 2366 | VTableUses.push_back( |
| 2367 | ReadSourceLocation(F, Record, Idx).getRawEncoding()); |
| 2368 | VTableUses.push_back(Record[Idx++]); |
| 2369 | } |
Argyrios Kyrtzidis | d455add | 2010-07-06 15:37:04 +0000 | [diff] [blame] | 2370 | break; |
| 2371 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2372 | case DYNAMIC_CLASSES: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2373 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2374 | DynamicClasses.push_back(getGlobalDeclID(F, Record[I])); |
Argyrios Kyrtzidis | d455add | 2010-07-06 15:37:04 +0000 | [diff] [blame] | 2375 | break; |
| 2376 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2377 | case PENDING_IMPLICIT_INSTANTIATIONS: |
Douglas Gregor | f2abb52 | 2011-07-28 19:26:52 +0000 | [diff] [blame] | 2378 | if (PendingInstantiations.size() % 2 != 0) { |
| 2379 | Error("Invalid PENDING_IMPLICIT_INSTANTIATIONS block"); |
| 2380 | return Failure; |
| 2381 | } |
| 2382 | |
| 2383 | // Later lists of pending instantiations overwrite earlier ones. |
| 2384 | // FIXME: This is most certainly wrong for modules. |
| 2385 | PendingInstantiations.clear(); |
| 2386 | for (unsigned I = 0, N = Record.size(); I != N; /* in loop */) { |
| 2387 | PendingInstantiations.push_back(getGlobalDeclID(F, Record[I++])); |
| 2388 | PendingInstantiations.push_back( |
| 2389 | ReadSourceLocation(F, Record, I).getRawEncoding()); |
| 2390 | } |
Argyrios Kyrtzidis | 0e03638 | 2010-08-05 09:48:16 +0000 | [diff] [blame] | 2391 | break; |
| 2392 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2393 | case SEMA_DECL_REFS: |
Sebastian Redl | 4056680 | 2010-08-05 18:21:25 +0000 | [diff] [blame] | 2394 | // Later tables overwrite earlier ones. |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2395 | // FIXME: Modules will have some trouble with this. |
| 2396 | SemaDeclRefs.clear(); |
| 2397 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2398 | SemaDeclRefs.push_back(getGlobalDeclID(F, Record[I])); |
Argyrios Kyrtzidis | 76c38d3 | 2010-08-02 07:14:54 +0000 | [diff] [blame] | 2399 | break; |
| 2400 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2401 | case ORIGINAL_FILE_NAME: |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2402 | // The primary AST will be the last to get here, so it will be the one |
Sebastian Redl | 518d8cb | 2010-07-20 21:20:32 +0000 | [diff] [blame] | 2403 | // that's used. |
Daniel Dunbar | 7b5a121 | 2009-11-11 05:29:04 +0000 | [diff] [blame] | 2404 | ActualOriginalFileName.assign(BlobStart, BlobLen); |
| 2405 | OriginalFileName = ActualOriginalFileName; |
Douglas Gregor | e650c8c | 2009-07-07 00:12:59 +0000 | [diff] [blame] | 2406 | MaybeAddSystemRootToFilename(OriginalFileName); |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 2407 | break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2408 | |
Douglas Gregor | 31d375f | 2011-05-06 21:43:30 +0000 | [diff] [blame] | 2409 | case ORIGINAL_FILE_ID: |
| 2410 | OriginalFileID = FileID::get(Record[0]); |
| 2411 | break; |
| 2412 | |
Argyrios Kyrtzidis | 8e3df4d | 2011-02-15 17:54:22 +0000 | [diff] [blame] | 2413 | case ORIGINAL_PCH_DIR: |
| 2414 | // The primary AST will be the last to get here, so it will be the one |
| 2415 | // that's used. |
| 2416 | OriginalDir.assign(BlobStart, BlobLen); |
| 2417 | break; |
| 2418 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2419 | case VERSION_CONTROL_BRANCH_REVISION: { |
Ted Kremenek | 974be4d | 2010-02-12 23:31:14 +0000 | [diff] [blame] | 2420 | const std::string &CurBranch = getClangFullRepositoryVersion(); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 2421 | StringRef ASTBranch(BlobStart, BlobLen); |
| 2422 | if (StringRef(CurBranch) != ASTBranch && !DisableValidation) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2423 | Diag(diag::warn_pch_different_branch) << ASTBranch << CurBranch; |
Douglas Gregor | 445e23e | 2009-10-05 21:07:28 +0000 | [diff] [blame] | 2424 | return IgnorePCH; |
| 2425 | } |
| 2426 | break; |
| 2427 | } |
Sebastian Redl | 04e6fd4 | 2010-07-21 20:07:32 +0000 | [diff] [blame] | 2428 | |
Douglas Gregor | 4c30bb1 | 2011-07-21 00:47:40 +0000 | [diff] [blame] | 2429 | case MACRO_DEFINITION_OFFSETS: { |
Sebastian Redl | 04e6fd4 | 2010-07-21 20:07:32 +0000 | [diff] [blame] | 2430 | F.MacroDefinitionOffsets = (const uint32_t *)BlobStart; |
| 2431 | F.NumPreallocatedPreprocessingEntities = Record[0]; |
| 2432 | F.LocalNumMacroDefinitions = Record[1]; |
Douglas Gregor | 4c30bb1 | 2011-07-21 00:47:40 +0000 | [diff] [blame] | 2433 | |
| 2434 | // Introduce the global -> local mapping for preprocessed entities within |
| 2435 | // this AST file. |
| 2436 | unsigned StartingID; |
| 2437 | if (PP) { |
| 2438 | if (!PP->getPreprocessingRecord()) |
| 2439 | PP->createPreprocessingRecord(true); |
| 2440 | if (!PP->getPreprocessingRecord()->getExternalSource()) |
| 2441 | PP->getPreprocessingRecord()->SetExternalSource(*this); |
| 2442 | StartingID |
| 2443 | = PP->getPreprocessingRecord() |
| 2444 | ->allocateLoadedEntities(F.NumPreallocatedPreprocessingEntities); |
| 2445 | } else { |
| 2446 | // FIXME: We'll eventually want to kill this path, since it assumes |
| 2447 | // a particular allocation strategy in the preprocessing record. |
| 2448 | StartingID = getTotalNumPreprocessedEntities(); |
| 2449 | } |
| 2450 | |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2451 | F.BaseMacroDefinitionID = getTotalNumMacroDefinitions(); |
| 2452 | F.BasePreprocessedEntityID = StartingID; |
Douglas Gregor | 4c30bb1 | 2011-07-21 00:47:40 +0000 | [diff] [blame] | 2453 | |
| 2454 | // Introduce the global -> local mapping for macro definitions within |
| 2455 | // this AST file. |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2456 | GlobalPreprocessedEntityMap.insert(std::make_pair(StartingID, &F)); |
Douglas Gregor | 14ad03b | 2011-07-20 01:29:15 +0000 | [diff] [blame] | 2457 | GlobalMacroDefinitionMap.insert( |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2458 | std::make_pair(getTotalNumMacroDefinitions() + 1, &F)); |
Douglas Gregor | 14ad03b | 2011-07-20 01:29:15 +0000 | [diff] [blame] | 2459 | MacroDefinitionsLoaded.resize( |
| 2460 | MacroDefinitionsLoaded.size() + F.LocalNumMacroDefinitions); |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 2461 | break; |
Douglas Gregor | 4c30bb1 | 2011-07-21 00:47:40 +0000 | [diff] [blame] | 2462 | } |
| 2463 | |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 2464 | case DECL_UPDATE_OFFSETS: { |
| 2465 | if (Record.size() % 2 != 0) { |
| 2466 | Error("invalid DECL_UPDATE_OFFSETS block in AST file"); |
| 2467 | return Failure; |
| 2468 | } |
| 2469 | for (unsigned I = 0, N = Record.size(); I != N; I += 2) |
| 2470 | DeclUpdateOffsets[static_cast<DeclID>(Record[I])] |
| 2471 | .push_back(std::make_pair(&F, Record[I+1])); |
| 2472 | break; |
| 2473 | } |
| 2474 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2475 | case DECL_REPLACEMENTS: { |
Sebastian Redl | 0b17c61 | 2010-08-13 00:28:03 +0000 | [diff] [blame] | 2476 | if (Record.size() % 2 != 0) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2477 | Error("invalid DECL_REPLACEMENTS block in AST file"); |
Sebastian Redl | 0b17c61 | 2010-08-13 00:28:03 +0000 | [diff] [blame] | 2478 | return Failure; |
| 2479 | } |
| 2480 | for (unsigned I = 0, N = Record.size(); I != N; I += 2) |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2481 | ReplacedDecls[static_cast<DeclID>(Record[I])] = |
Sebastian Redl | 0b17c61 | 2010-08-13 00:28:03 +0000 | [diff] [blame] | 2482 | std::make_pair(&F, Record[I+1]); |
| 2483 | break; |
| 2484 | } |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 2485 | |
| 2486 | case CXX_BASE_SPECIFIER_OFFSETS: { |
| 2487 | if (F.LocalNumCXXBaseSpecifiers != 0) { |
| 2488 | Error("duplicate CXX_BASE_SPECIFIER_OFFSETS record in AST file"); |
| 2489 | return Failure; |
| 2490 | } |
| 2491 | |
| 2492 | F.LocalNumCXXBaseSpecifiers = Record[0]; |
| 2493 | F.CXXBaseSpecifiersOffsets = (const uint32_t *)BlobStart; |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 2494 | F.BaseCXXBaseSpecifiersID = getTotalNumCXXBaseSpecifiers(); |
| 2495 | GlobalCXXBaseSpecifiersMap.insert( |
| 2496 | std::make_pair(getTotalNumCXXBaseSpecifiers() + 1, &F)); |
Jonathan D. Turner | 1da9014 | 2011-07-21 21:15:19 +0000 | [diff] [blame] | 2497 | |
| 2498 | NumCXXBaseSpecifiersLoaded += F.LocalNumCXXBaseSpecifiers; |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 2499 | break; |
| 2500 | } |
Argyrios Kyrtzidis | f41d3be | 2010-11-05 22:10:18 +0000 | [diff] [blame] | 2501 | |
Argyrios Kyrtzidis | 3efd52c | 2011-01-14 20:54:07 +0000 | [diff] [blame] | 2502 | case DIAG_PRAGMA_MAPPINGS: |
Argyrios Kyrtzidis | f41d3be | 2010-11-05 22:10:18 +0000 | [diff] [blame] | 2503 | if (Record.size() % 2 != 0) { |
| 2504 | Error("invalid DIAG_USER_MAPPINGS block in AST file"); |
| 2505 | return Failure; |
| 2506 | } |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2507 | |
| 2508 | if (F.PragmaDiagMappings.empty()) |
| 2509 | F.PragmaDiagMappings.swap(Record); |
Argyrios Kyrtzidis | f41d3be | 2010-11-05 22:10:18 +0000 | [diff] [blame] | 2510 | else |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2511 | F.PragmaDiagMappings.insert(F.PragmaDiagMappings.end(), |
| 2512 | Record.begin(), Record.end()); |
Argyrios Kyrtzidis | f41d3be | 2010-11-05 22:10:18 +0000 | [diff] [blame] | 2513 | break; |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 2514 | |
Peter Collingbourne | 14b6ba7 | 2011-02-09 21:04:32 +0000 | [diff] [blame] | 2515 | case CUDA_SPECIAL_DECL_REFS: |
| 2516 | // Later tables overwrite earlier ones. |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2517 | // FIXME: Modules will have trouble with this. |
| 2518 | CUDASpecialDeclRefs.clear(); |
| 2519 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2520 | CUDASpecialDeclRefs.push_back(getGlobalDeclID(F, Record[I])); |
Peter Collingbourne | 14b6ba7 | 2011-02-09 21:04:32 +0000 | [diff] [blame] | 2521 | break; |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 2522 | |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 2523 | case HEADER_SEARCH_TABLE: { |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 2524 | F.HeaderFileInfoTableData = BlobStart; |
| 2525 | F.LocalNumHeaderFileInfos = Record[1]; |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 2526 | F.HeaderFileFrameworkStrings = BlobStart + Record[2]; |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 2527 | if (Record[0]) { |
| 2528 | F.HeaderFileInfoTable |
| 2529 | = HeaderFileInfoLookupTable::Create( |
| 2530 | (const unsigned char *)F.HeaderFileInfoTableData + Record[0], |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 2531 | (const unsigned char *)F.HeaderFileInfoTableData, |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 2532 | HeaderFileInfoTrait(*this, F, |
| 2533 | PP? &PP->getHeaderSearchInfo() : 0, |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 2534 | BlobStart + Record[2])); |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 2535 | if (PP) |
| 2536 | PP->getHeaderSearchInfo().SetExternalSource(this); |
| 2537 | } |
| 2538 | break; |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 2539 | } |
| 2540 | |
Peter Collingbourne | 84bccea | 2011-02-15 19:46:30 +0000 | [diff] [blame] | 2541 | case FP_PRAGMA_OPTIONS: |
| 2542 | // Later tables overwrite earlier ones. |
| 2543 | FPPragmaOptions.swap(Record); |
| 2544 | break; |
| 2545 | |
| 2546 | case OPENCL_EXTENSIONS: |
| 2547 | // Later tables overwrite earlier ones. |
| 2548 | OpenCLExtensions.swap(Record); |
| 2549 | break; |
Sean Hunt | ebcbe1d | 2011-05-04 23:29:54 +0000 | [diff] [blame] | 2550 | |
| 2551 | case TENTATIVE_DEFINITIONS: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2552 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2553 | TentativeDefinitions.push_back(getGlobalDeclID(F, Record[I])); |
Sean Hunt | ebcbe1d | 2011-05-04 23:29:54 +0000 | [diff] [blame] | 2554 | break; |
Douglas Gregor | d8bba9c | 2011-06-28 16:20:02 +0000 | [diff] [blame] | 2555 | |
| 2556 | case KNOWN_NAMESPACES: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 2557 | for (unsigned I = 0, N = Record.size(); I != N; ++I) |
| 2558 | KnownNamespaces.push_back(getGlobalDeclID(F, Record[I])); |
Douglas Gregor | d8bba9c | 2011-06-28 16:20:02 +0000 | [diff] [blame] | 2559 | break; |
Douglas Gregor | afaf308 | 2009-04-11 00:14:32 +0000 | [diff] [blame] | 2560 | } |
Sebastian Redl | 93fb9ed | 2010-07-19 20:52:06 +0000 | [diff] [blame] | 2561 | First = false; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2562 | } |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2563 | Error("premature end of bitstream in AST file"); |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 2564 | return Failure; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2565 | } |
| 2566 | |
Argyrios Kyrtzidis | b68ffb1 | 2011-06-01 05:43:53 +0000 | [diff] [blame] | 2567 | ASTReader::ASTReadResult ASTReader::validateFileEntries() { |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 2568 | for (ModuleIterator I = ModuleMgr.begin(), |
| 2569 | E = ModuleMgr.end(); I != E; ++I) { |
| 2570 | Module *F = *I; |
Argyrios Kyrtzidis | b68ffb1 | 2011-06-01 05:43:53 +0000 | [diff] [blame] | 2571 | llvm::BitstreamCursor &SLocEntryCursor = F->SLocEntryCursor; |
| 2572 | |
Argyrios Kyrtzidis | 4cdb0e2 | 2011-06-02 20:01:46 +0000 | [diff] [blame] | 2573 | for (unsigned i = 0, e = F->LocalNumSLocFileEntries; i != e; ++i) { |
| 2574 | SLocEntryCursor.JumpToBit(F->SLocFileOffsets[i]); |
Argyrios Kyrtzidis | b68ffb1 | 2011-06-01 05:43:53 +0000 | [diff] [blame] | 2575 | unsigned Code = SLocEntryCursor.ReadCode(); |
| 2576 | if (Code == llvm::bitc::END_BLOCK || |
| 2577 | Code == llvm::bitc::ENTER_SUBBLOCK || |
| 2578 | Code == llvm::bitc::DEFINE_ABBREV) { |
| 2579 | Error("incorrectly-formatted source location entry in AST file"); |
| 2580 | return Failure; |
| 2581 | } |
| 2582 | |
| 2583 | RecordData Record; |
| 2584 | const char *BlobStart; |
| 2585 | unsigned BlobLen; |
| 2586 | switch (SLocEntryCursor.ReadRecord(Code, Record, &BlobStart, &BlobLen)) { |
| 2587 | default: |
| 2588 | Error("incorrectly-formatted source location entry in AST file"); |
| 2589 | return Failure; |
| 2590 | |
| 2591 | case SM_SLOC_FILE_ENTRY: { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 2592 | StringRef Filename(BlobStart, BlobLen); |
Argyrios Kyrtzidis | b68ffb1 | 2011-06-01 05:43:53 +0000 | [diff] [blame] | 2593 | const FileEntry *File = getFileEntry(Filename); |
| 2594 | |
| 2595 | if (File == 0) { |
| 2596 | std::string ErrorStr = "could not find file '"; |
| 2597 | ErrorStr += Filename; |
| 2598 | ErrorStr += "' referenced by AST file"; |
| 2599 | Error(ErrorStr.c_str()); |
| 2600 | return IgnorePCH; |
| 2601 | } |
| 2602 | |
| 2603 | if (Record.size() < 6) { |
| 2604 | Error("source location entry is incorrect"); |
| 2605 | return Failure; |
| 2606 | } |
| 2607 | |
| 2608 | // The stat info from the FileEntry came from the cached stat |
| 2609 | // info of the PCH, so we cannot trust it. |
| 2610 | struct stat StatBuf; |
| 2611 | if (::stat(File->getName(), &StatBuf) != 0) { |
| 2612 | StatBuf.st_size = File->getSize(); |
| 2613 | StatBuf.st_mtime = File->getModificationTime(); |
| 2614 | } |
| 2615 | |
| 2616 | if (((off_t)Record[4] != StatBuf.st_size |
| 2617 | #if !defined(LLVM_ON_WIN32) |
| 2618 | // In our regression testing, the Windows file system seems to |
| 2619 | // have inconsistent modification times that sometimes |
| 2620 | // erroneously trigger this error-handling path. |
| 2621 | || (time_t)Record[5] != StatBuf.st_mtime |
| 2622 | #endif |
| 2623 | )) { |
| 2624 | Error(diag::err_fe_pch_file_modified, Filename); |
| 2625 | return IgnorePCH; |
| 2626 | } |
| 2627 | |
| 2628 | break; |
| 2629 | } |
Argyrios Kyrtzidis | b68ffb1 | 2011-06-01 05:43:53 +0000 | [diff] [blame] | 2630 | } |
| 2631 | } |
| 2632 | } |
| 2633 | |
| 2634 | return Success; |
| 2635 | } |
| 2636 | |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 2637 | ASTReader::ASTReadResult ASTReader::ReadAST(const std::string &FileName, |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 2638 | ModuleKind Type) { |
Sebastian Redl | 1d9f1fe | 2010-10-05 16:15:19 +0000 | [diff] [blame] | 2639 | switch(ReadASTCore(FileName, Type)) { |
Sebastian Redl | cdf3b83 | 2010-07-16 20:41:52 +0000 | [diff] [blame] | 2640 | case Failure: return Failure; |
| 2641 | case IgnorePCH: return IgnorePCH; |
| 2642 | case Success: break; |
| 2643 | } |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2644 | |
| 2645 | // Here comes stuff that we only do once the entire chain is loaded. |
| 2646 | |
Argyrios Kyrtzidis | b68ffb1 | 2011-06-01 05:43:53 +0000 | [diff] [blame] | 2647 | if (!DisableValidation) { |
| 2648 | switch(validateFileEntries()) { |
| 2649 | case Failure: return Failure; |
| 2650 | case IgnorePCH: return IgnorePCH; |
| 2651 | case Success: break; |
| 2652 | } |
| 2653 | } |
| 2654 | |
Sebastian Redl | 4ee5a6f | 2010-09-22 00:42:30 +0000 | [diff] [blame] | 2655 | // Preload SLocEntries. |
| 2656 | for (unsigned I = 0, N = PreloadSLocEntries.size(); I != N; ++I) { |
| 2657 | ASTReadResult Result = ReadSLocEntryRecord(PreloadSLocEntries[I]); |
| 2658 | if (Result != Success) |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2659 | return Failure; |
Sebastian Redl | 4ee5a6f | 2010-09-22 00:42:30 +0000 | [diff] [blame] | 2660 | } |
Douglas Gregor | 0cdd798 | 2011-07-21 18:46:38 +0000 | [diff] [blame] | 2661 | PreloadSLocEntries.clear(); |
| 2662 | |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2663 | // Check the predefines buffers. |
Douglas Gregor | a7d445a | 2011-07-27 16:30:06 +0000 | [diff] [blame] | 2664 | if (!DisableValidation && Type != MK_Module && CheckPredefinesBuffers()) |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2665 | return IgnorePCH; |
| 2666 | |
| 2667 | if (PP) { |
| 2668 | // Initialization of keywords and pragmas occurs before the |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2669 | // AST file is read, so there may be some identifiers that were |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2670 | // loaded into the IdentifierTable before we intercepted the |
| 2671 | // creation of identifiers. Iterate through the list of known |
| 2672 | // identifiers and determine whether we have to establish |
| 2673 | // preprocessor definitions or top-level identifier declaration |
| 2674 | // chains for those identifiers. |
| 2675 | // |
| 2676 | // We copy the IdentifierInfo pointers to a small vector first, |
| 2677 | // since de-serializing declarations or macro definitions can add |
| 2678 | // new entries into the identifier table, invalidating the |
| 2679 | // iterators. |
Douglas Gregor | a7d445a | 2011-07-27 16:30:06 +0000 | [diff] [blame] | 2680 | // |
| 2681 | // FIXME: We need a lazier way to load this information, e.g., by marking |
| 2682 | // the identifier data as 'dirty', so that it will be looked up in the |
| 2683 | // AST file(s) if it is uttered in the source. This could save us some |
| 2684 | // module load time. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 2685 | SmallVector<IdentifierInfo *, 128> Identifiers; |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2686 | for (IdentifierTable::iterator Id = PP->getIdentifierTable().begin(), |
| 2687 | IdEnd = PP->getIdentifierTable().end(); |
| 2688 | Id != IdEnd; ++Id) |
| 2689 | Identifiers.push_back(Id->second); |
Sebastian Redl | 04e6fd4 | 2010-07-21 20:07:32 +0000 | [diff] [blame] | 2690 | // We need to search the tables in all files. |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 2691 | for (ModuleIterator J = ModuleMgr.begin(), |
| 2692 | M = ModuleMgr.end(); J != M; ++J) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2693 | ASTIdentifierLookupTable *IdTable |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 2694 | = (ASTIdentifierLookupTable *)(*J)->IdentifierLookupTable; |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2695 | // Not all AST files necessarily have identifier tables, only the useful |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 2696 | // ones. |
| 2697 | if (!IdTable) |
| 2698 | continue; |
Sebastian Redl | 04e6fd4 | 2010-07-21 20:07:32 +0000 | [diff] [blame] | 2699 | for (unsigned I = 0, N = Identifiers.size(); I != N; ++I) { |
| 2700 | IdentifierInfo *II = Identifiers[I]; |
| 2701 | // Look in the on-disk hash tables for an entry for this identifier |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 2702 | ASTIdentifierLookupTrait Info(*this, *(*J), II); |
Sebastian Redl | 04e6fd4 | 2010-07-21 20:07:32 +0000 | [diff] [blame] | 2703 | std::pair<const char*,unsigned> Key(II->getNameStart(),II->getLength()); |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2704 | ASTIdentifierLookupTable::iterator Pos = IdTable->find(Key, &Info); |
Sebastian Redl | 518d8cb | 2010-07-20 21:20:32 +0000 | [diff] [blame] | 2705 | if (Pos == IdTable->end()) |
| 2706 | continue; |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2707 | |
Sebastian Redl | 518d8cb | 2010-07-20 21:20:32 +0000 | [diff] [blame] | 2708 | // Dereferencing the iterator has the effect of populating the |
| 2709 | // IdentifierInfo node with the various declarations it needs. |
| 2710 | (void)*Pos; |
| 2711 | } |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2712 | } |
| 2713 | } |
| 2714 | |
| 2715 | if (Context) |
| 2716 | InitializeContext(*Context); |
| 2717 | |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 2718 | if (DeserializationListener) |
| 2719 | DeserializationListener->ReaderInitialized(this); |
| 2720 | |
Douglas Gregor | 414cb64 | 2010-11-30 05:23:00 +0000 | [diff] [blame] | 2721 | // If this AST file is a precompiled preamble, then set the main file ID of |
| 2722 | // the source manager to the file source file from which the preamble was |
| 2723 | // built. This is the only valid way to use a precompiled preamble. |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 2724 | if (Type == MK_Preamble) { |
Douglas Gregor | 31d375f | 2011-05-06 21:43:30 +0000 | [diff] [blame] | 2725 | if (OriginalFileID.isInvalid()) { |
| 2726 | SourceLocation Loc |
| 2727 | = SourceMgr.getLocation(FileMgr.getFile(getOriginalSourceFile()), 1, 1); |
| 2728 | if (Loc.isValid()) |
| 2729 | OriginalFileID = SourceMgr.getDecomposedLoc(Loc).first; |
Douglas Gregor | 414cb64 | 2010-11-30 05:23:00 +0000 | [diff] [blame] | 2730 | } |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2731 | else { |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 2732 | OriginalFileID = FileID::get(ModuleMgr.getPrimaryModule().SLocEntryBaseID |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2733 | + OriginalFileID.getOpaqueValue() - 1); |
| 2734 | } |
| 2735 | |
Douglas Gregor | 31d375f | 2011-05-06 21:43:30 +0000 | [diff] [blame] | 2736 | if (!OriginalFileID.isInvalid()) |
| 2737 | SourceMgr.SetPreambleFileID(OriginalFileID); |
Douglas Gregor | 414cb64 | 2010-11-30 05:23:00 +0000 | [diff] [blame] | 2738 | } |
| 2739 | |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2740 | return Success; |
| 2741 | } |
| 2742 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 2743 | ASTReader::ASTReadResult ASTReader::ReadASTCore(StringRef FileName, |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 2744 | ModuleKind Type) { |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 2745 | Module &F = ModuleMgr.addModule(FileName, Type); |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2746 | |
Argyrios Kyrtzidis | 8e3df4d | 2011-02-15 17:54:22 +0000 | [diff] [blame] | 2747 | if (FileName != "-") { |
| 2748 | CurrentDir = llvm::sys::path::parent_path(FileName); |
| 2749 | if (CurrentDir.empty()) CurrentDir = "."; |
| 2750 | } |
| 2751 | |
Argyrios Kyrtzidis | b0f4b9a | 2011-03-09 17:21:42 +0000 | [diff] [blame] | 2752 | if (!ASTBuffers.empty()) { |
Sebastian Redl | 5655837 | 2011-04-14 14:07:41 +0000 | [diff] [blame] | 2753 | F.Buffer.reset(ASTBuffers.back()); |
| 2754 | ASTBuffers.pop_back(); |
Argyrios Kyrtzidis | b0f4b9a | 2011-03-09 17:21:42 +0000 | [diff] [blame] | 2755 | assert(F.Buffer && "Passed null buffer"); |
| 2756 | } else { |
| 2757 | // Open the AST file. |
| 2758 | // |
| 2759 | // FIXME: This shouldn't be here, we should just take a raw_ostream. |
| 2760 | std::string ErrStr; |
| 2761 | llvm::error_code ec; |
| 2762 | if (FileName == "-") { |
| 2763 | ec = llvm::MemoryBuffer::getSTDIN(F.Buffer); |
| 2764 | if (ec) |
| 2765 | ErrStr = ec.message(); |
| 2766 | } else |
| 2767 | F.Buffer.reset(FileMgr.getBufferForFile(FileName, &ErrStr)); |
| 2768 | if (!F.Buffer) { |
| 2769 | Error(ErrStr.c_str()); |
| 2770 | return IgnorePCH; |
| 2771 | } |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2772 | } |
| 2773 | |
| 2774 | // Initialize the stream |
| 2775 | F.StreamFile.init((const unsigned char *)F.Buffer->getBufferStart(), |
| 2776 | (const unsigned char *)F.Buffer->getBufferEnd()); |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 2777 | llvm::BitstreamCursor &Stream = F.Stream; |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2778 | Stream.init(F.StreamFile); |
Sebastian Redl | 04e6fd4 | 2010-07-21 20:07:32 +0000 | [diff] [blame] | 2779 | F.SizeInBits = F.Buffer->getBufferSize() * 8; |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 2780 | |
Sebastian Redl | fbd4bf1 | 2010-07-17 00:12:06 +0000 | [diff] [blame] | 2781 | // Sniff for the signature. |
| 2782 | if (Stream.Read(8) != 'C' || |
| 2783 | Stream.Read(8) != 'P' || |
| 2784 | Stream.Read(8) != 'C' || |
| 2785 | Stream.Read(8) != 'H') { |
| 2786 | Diag(diag::err_not_a_pch_file) << FileName; |
| 2787 | return Failure; |
| 2788 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2789 | |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2790 | while (!Stream.AtEndOfStream()) { |
| 2791 | unsigned Code = Stream.ReadCode(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2792 | |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 2793 | if (Code != llvm::bitc::ENTER_SUBBLOCK) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2794 | Error("invalid record at top-level of AST file"); |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 2795 | return Failure; |
| 2796 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2797 | |
| 2798 | unsigned BlockID = Stream.ReadSubBlockID(); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 2799 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2800 | // We only know the AST subblock ID. |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2801 | switch (BlockID) { |
| 2802 | case llvm::bitc::BLOCKINFO_BLOCK_ID: |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 2803 | if (Stream.ReadBlockInfoBlock()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2804 | Error("malformed BlockInfoBlock in AST file"); |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 2805 | return Failure; |
| 2806 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2807 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2808 | case AST_BLOCK_ID: |
Sebastian Redl | 571db7f | 2010-08-18 23:56:56 +0000 | [diff] [blame] | 2809 | switch (ReadASTBlock(F)) { |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 2810 | case Success: |
| 2811 | break; |
| 2812 | |
| 2813 | case Failure: |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 2814 | return Failure; |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 2815 | |
| 2816 | case IgnorePCH: |
Douglas Gregor | 2bec041 | 2009-04-10 21:16:55 +0000 | [diff] [blame] | 2817 | // FIXME: We could consider reading through to the end of this |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2818 | // AST block, skipping subblocks, to see if there are other |
| 2819 | // AST blocks elsewhere. |
Douglas Gregor | 2bf1eb0 | 2009-04-27 21:28:04 +0000 | [diff] [blame] | 2820 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 2821 | // FIXME: We can't clear loaded slocentries anymore. |
| 2822 | //SourceMgr.ClearPreallocatedSLocEntries(); |
Douglas Gregor | 2bf1eb0 | 2009-04-27 21:28:04 +0000 | [diff] [blame] | 2823 | |
| 2824 | // Remove the stat cache. |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 2825 | if (F.StatCache) |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2826 | FileMgr.removeStatCache((ASTStatCache*)F.StatCache); |
Douglas Gregor | 2bf1eb0 | 2009-04-27 21:28:04 +0000 | [diff] [blame] | 2827 | |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 2828 | return IgnorePCH; |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 2829 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2830 | break; |
| 2831 | default: |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 2832 | if (Stream.SkipBlock()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2833 | Error("malformed block record in AST file"); |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 2834 | return Failure; |
| 2835 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 2836 | break; |
| 2837 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2838 | } |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 2839 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 2840 | // Once read, set the Module bit base offset and update the size in |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 2841 | // bits of all files we've seen. |
| 2842 | F.GlobalBitOffset = TotalModulesSizeInBits; |
| 2843 | TotalModulesSizeInBits += F.SizeInBits; |
| 2844 | GlobalBitOffsetsMap.insert(std::make_pair(F.GlobalBitOffset, &F)); |
Sebastian Redl | cdf3b83 | 2010-07-16 20:41:52 +0000 | [diff] [blame] | 2845 | return Success; |
| 2846 | } |
| 2847 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 2848 | void ASTReader::setPreprocessor(Preprocessor &pp) { |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 2849 | PP = &pp; |
Douglas Gregor | 4c30bb1 | 2011-07-21 00:47:40 +0000 | [diff] [blame] | 2850 | |
| 2851 | if (unsigned N = getTotalNumPreprocessedEntities()) { |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 2852 | if (!PP->getPreprocessingRecord()) |
Douglas Gregor | dca8ee8 | 2011-05-06 16:33:08 +0000 | [diff] [blame] | 2853 | PP->createPreprocessingRecord(true); |
Douglas Gregor | 4c30bb1 | 2011-07-21 00:47:40 +0000 | [diff] [blame] | 2854 | PP->getPreprocessingRecord()->SetExternalSource(*this); |
| 2855 | PP->getPreprocessingRecord()->allocateLoadedEntities(N); |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 2856 | } |
Douglas Gregor | 4c30bb1 | 2011-07-21 00:47:40 +0000 | [diff] [blame] | 2857 | |
| 2858 | PP->getHeaderSearchInfo().SetExternalLookup(this); |
Douglas Gregor | 0cdd798 | 2011-07-21 18:46:38 +0000 | [diff] [blame] | 2859 | PP->getHeaderSearchInfo().SetExternalSource(this); |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 2860 | } |
| 2861 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 2862 | void ASTReader::InitializeContext(ASTContext &Ctx) { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2863 | Context = &Ctx; |
| 2864 | assert(Context && "Passed null context!"); |
| 2865 | |
| 2866 | assert(PP && "Forgot to set Preprocessor ?"); |
| 2867 | PP->getIdentifierTable().setExternalIdentifierLookup(this); |
Douglas Gregor | 88a3586 | 2010-01-04 19:18:44 +0000 | [diff] [blame] | 2868 | PP->setExternalSource(this); |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 2869 | |
Douglas Gregor | 3747ee7 | 2010-10-01 01:18:02 +0000 | [diff] [blame] | 2870 | // If we have an update block for the TU waiting, we have to add it before |
| 2871 | // deserializing the decl. |
| 2872 | DeclContextOffsetsMap::iterator DCU = DeclContextOffsets.find(0); |
| 2873 | if (DCU != DeclContextOffsets.end()) { |
| 2874 | // Insertion could invalidate map, so grab vector. |
| 2875 | DeclContextInfos T; |
| 2876 | T.swap(DCU->second); |
| 2877 | DeclContextOffsets.erase(DCU); |
| 2878 | DeclContextOffsets[Ctx.getTranslationUnitDecl()].swap(T); |
| 2879 | } |
| 2880 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2881 | // Load the translation unit declaration |
Argyrios Kyrtzidis | 8871a44 | 2010-07-08 17:13:02 +0000 | [diff] [blame] | 2882 | GetTranslationUnitDecl(); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2883 | |
| 2884 | // Load the special types. |
| 2885 | Context->setBuiltinVaListType( |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2886 | GetType(SpecialTypes[SPECIAL_TYPE_BUILTIN_VA_LIST])); |
| 2887 | if (unsigned Id = SpecialTypes[SPECIAL_TYPE_OBJC_ID]) |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2888 | Context->setObjCIdType(GetType(Id)); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2889 | if (unsigned Sel = SpecialTypes[SPECIAL_TYPE_OBJC_SELECTOR]) |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2890 | Context->setObjCSelType(GetType(Sel)); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2891 | if (unsigned Proto = SpecialTypes[SPECIAL_TYPE_OBJC_PROTOCOL]) |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2892 | Context->setObjCProtoType(GetType(Proto)); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2893 | if (unsigned Class = SpecialTypes[SPECIAL_TYPE_OBJC_CLASS]) |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2894 | Context->setObjCClassType(GetType(Class)); |
Steve Naroff | 14108da | 2009-07-10 23:34:53 +0000 | [diff] [blame] | 2895 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2896 | if (unsigned String = SpecialTypes[SPECIAL_TYPE_CF_CONSTANT_STRING]) |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2897 | Context->setCFConstantStringType(GetType(String)); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2898 | if (unsigned FastEnum |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2899 | = SpecialTypes[SPECIAL_TYPE_OBJC_FAST_ENUMERATION_STATE]) |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2900 | Context->setObjCFastEnumerationStateType(GetType(FastEnum)); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2901 | if (unsigned File = SpecialTypes[SPECIAL_TYPE_FILE]) { |
Douglas Gregor | c29f77b | 2009-07-07 16:35:42 +0000 | [diff] [blame] | 2902 | QualType FileType = GetType(File); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 2903 | if (FileType.isNull()) { |
| 2904 | Error("FILE type is NULL"); |
| 2905 | return; |
| 2906 | } |
John McCall | 183700f | 2009-09-21 23:43:11 +0000 | [diff] [blame] | 2907 | if (const TypedefType *Typedef = FileType->getAs<TypedefType>()) |
Douglas Gregor | c29f77b | 2009-07-07 16:35:42 +0000 | [diff] [blame] | 2908 | Context->setFILEDecl(Typedef->getDecl()); |
| 2909 | else { |
Ted Kremenek | 6217b80 | 2009-07-29 21:53:49 +0000 | [diff] [blame] | 2910 | const TagType *Tag = FileType->getAs<TagType>(); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 2911 | if (!Tag) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2912 | Error("Invalid FILE type in AST file"); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 2913 | return; |
| 2914 | } |
Douglas Gregor | c29f77b | 2009-07-07 16:35:42 +0000 | [diff] [blame] | 2915 | Context->setFILEDecl(Tag->getDecl()); |
| 2916 | } |
| 2917 | } |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2918 | if (unsigned Jmp_buf = SpecialTypes[SPECIAL_TYPE_jmp_buf]) { |
Mike Stump | 782fa30 | 2009-07-28 02:25:19 +0000 | [diff] [blame] | 2919 | QualType Jmp_bufType = GetType(Jmp_buf); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 2920 | if (Jmp_bufType.isNull()) { |
| 2921 | Error("jmp_bug type is NULL"); |
| 2922 | return; |
| 2923 | } |
John McCall | 183700f | 2009-09-21 23:43:11 +0000 | [diff] [blame] | 2924 | if (const TypedefType *Typedef = Jmp_bufType->getAs<TypedefType>()) |
Mike Stump | 782fa30 | 2009-07-28 02:25:19 +0000 | [diff] [blame] | 2925 | Context->setjmp_bufDecl(Typedef->getDecl()); |
| 2926 | else { |
Ted Kremenek | 6217b80 | 2009-07-29 21:53:49 +0000 | [diff] [blame] | 2927 | const TagType *Tag = Jmp_bufType->getAs<TagType>(); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 2928 | if (!Tag) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2929 | Error("Invalid jmp_buf type in AST file"); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 2930 | return; |
| 2931 | } |
Mike Stump | 782fa30 | 2009-07-28 02:25:19 +0000 | [diff] [blame] | 2932 | Context->setjmp_bufDecl(Tag->getDecl()); |
| 2933 | } |
| 2934 | } |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2935 | if (unsigned Sigjmp_buf = SpecialTypes[SPECIAL_TYPE_sigjmp_buf]) { |
Mike Stump | 782fa30 | 2009-07-28 02:25:19 +0000 | [diff] [blame] | 2936 | QualType Sigjmp_bufType = GetType(Sigjmp_buf); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 2937 | if (Sigjmp_bufType.isNull()) { |
| 2938 | Error("sigjmp_buf type is NULL"); |
| 2939 | return; |
| 2940 | } |
John McCall | 183700f | 2009-09-21 23:43:11 +0000 | [diff] [blame] | 2941 | if (const TypedefType *Typedef = Sigjmp_bufType->getAs<TypedefType>()) |
Mike Stump | 782fa30 | 2009-07-28 02:25:19 +0000 | [diff] [blame] | 2942 | Context->setsigjmp_bufDecl(Typedef->getDecl()); |
| 2943 | else { |
Ted Kremenek | 6217b80 | 2009-07-29 21:53:49 +0000 | [diff] [blame] | 2944 | const TagType *Tag = Sigjmp_bufType->getAs<TagType>(); |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2945 | assert(Tag && "Invalid sigjmp_buf type in AST file"); |
Mike Stump | 782fa30 | 2009-07-28 02:25:19 +0000 | [diff] [blame] | 2946 | Context->setsigjmp_bufDecl(Tag->getDecl()); |
| 2947 | } |
| 2948 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2949 | if (unsigned ObjCIdRedef |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2950 | = SpecialTypes[SPECIAL_TYPE_OBJC_ID_REDEFINITION]) |
Douglas Gregor | d1571ac | 2009-08-21 00:27:50 +0000 | [diff] [blame] | 2951 | Context->ObjCIdRedefinitionType = GetType(ObjCIdRedef); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2952 | if (unsigned ObjCClassRedef |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2953 | = SpecialTypes[SPECIAL_TYPE_OBJC_CLASS_REDEFINITION]) |
Douglas Gregor | d1571ac | 2009-08-21 00:27:50 +0000 | [diff] [blame] | 2954 | Context->ObjCClassRedefinitionType = GetType(ObjCClassRedef); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2955 | if (unsigned String = SpecialTypes[SPECIAL_TYPE_BLOCK_DESCRIPTOR]) |
Mike Stump | adaaad3 | 2009-10-20 02:12:22 +0000 | [diff] [blame] | 2956 | Context->setBlockDescriptorType(GetType(String)); |
Mike Stump | 083c25e | 2009-10-22 00:49:09 +0000 | [diff] [blame] | 2957 | if (unsigned String |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2958 | = SpecialTypes[SPECIAL_TYPE_BLOCK_EXTENDED_DESCRIPTOR]) |
Mike Stump | 083c25e | 2009-10-22 00:49:09 +0000 | [diff] [blame] | 2959 | Context->setBlockDescriptorExtendedType(GetType(String)); |
Fariborz Jahanian | 2bb5dda | 2010-04-23 17:41:07 +0000 | [diff] [blame] | 2960 | if (unsigned ObjCSelRedef |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2961 | = SpecialTypes[SPECIAL_TYPE_OBJC_SEL_REDEFINITION]) |
Fariborz Jahanian | 2bb5dda | 2010-04-23 17:41:07 +0000 | [diff] [blame] | 2962 | Context->ObjCSelRedefinitionType = GetType(ObjCSelRedef); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2963 | if (unsigned String = SpecialTypes[SPECIAL_TYPE_NS_CONSTANT_STRING]) |
Fariborz Jahanian | 2bb5dda | 2010-04-23 17:41:07 +0000 | [diff] [blame] | 2964 | Context->setNSConstantStringType(GetType(String)); |
Argyrios Kyrtzidis | 0061138 | 2010-07-04 21:44:19 +0000 | [diff] [blame] | 2965 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2966 | if (SpecialTypes[SPECIAL_TYPE_INT128_INSTALLED]) |
Argyrios Kyrtzidis | 0061138 | 2010-07-04 21:44:19 +0000 | [diff] [blame] | 2967 | Context->setInt128Installed(); |
Argyrios Kyrtzidis | f41d3be | 2010-11-05 22:10:18 +0000 | [diff] [blame] | 2968 | |
Richard Smith | ad762fc | 2011-04-14 22:09:26 +0000 | [diff] [blame] | 2969 | if (unsigned AutoDeduct = SpecialTypes[SPECIAL_TYPE_AUTO_DEDUCT]) |
| 2970 | Context->AutoDeductTy = GetType(AutoDeduct); |
| 2971 | if (unsigned AutoRRefDeduct = SpecialTypes[SPECIAL_TYPE_AUTO_RREF_DEDUCT]) |
| 2972 | Context->AutoRRefDeductTy = GetType(AutoRRefDeduct); |
| 2973 | |
Argyrios Kyrtzidis | 3efd52c | 2011-01-14 20:54:07 +0000 | [diff] [blame] | 2974 | ReadPragmaDiagnosticMappings(Context->getDiagnostics()); |
Peter Collingbourne | 14b6ba7 | 2011-02-09 21:04:32 +0000 | [diff] [blame] | 2975 | |
| 2976 | // If there were any CUDA special declarations, deserialize them. |
| 2977 | if (!CUDASpecialDeclRefs.empty()) { |
| 2978 | assert(CUDASpecialDeclRefs.size() == 1 && "More decl refs than expected!"); |
| 2979 | Context->setcudaConfigureCallDecl( |
| 2980 | cast<FunctionDecl>(GetDecl(CUDASpecialDeclRefs[0]))); |
| 2981 | } |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 2982 | } |
| 2983 | |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 2984 | /// \brief Retrieve the name of the original source file name |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2985 | /// directly from the AST file, without actually loading the AST |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 2986 | /// file. |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2987 | std::string ASTReader::getOriginalSourceFile(const std::string &ASTFileName, |
Argyrios Kyrtzidis | 389db16 | 2010-11-03 22:45:23 +0000 | [diff] [blame] | 2988 | FileManager &FileMgr, |
Daniel Dunbar | 93ebb1b | 2009-12-03 09:13:06 +0000 | [diff] [blame] | 2989 | Diagnostic &Diags) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 2990 | // Open the AST file. |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 2991 | std::string ErrStr; |
| 2992 | llvm::OwningPtr<llvm::MemoryBuffer> Buffer; |
Chris Lattner | 39b49bc | 2010-11-23 08:35:12 +0000 | [diff] [blame] | 2993 | Buffer.reset(FileMgr.getBufferForFile(ASTFileName, &ErrStr)); |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 2994 | if (!Buffer) { |
Daniel Dunbar | 93ebb1b | 2009-12-03 09:13:06 +0000 | [diff] [blame] | 2995 | Diags.Report(diag::err_fe_unable_to_read_pch_file) << ErrStr; |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 2996 | return std::string(); |
| 2997 | } |
| 2998 | |
| 2999 | // Initialize the stream |
| 3000 | llvm::BitstreamReader StreamFile; |
| 3001 | llvm::BitstreamCursor Stream; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3002 | StreamFile.init((const unsigned char *)Buffer->getBufferStart(), |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3003 | (const unsigned char *)Buffer->getBufferEnd()); |
| 3004 | Stream.init(StreamFile); |
| 3005 | |
| 3006 | // Sniff for the signature. |
| 3007 | if (Stream.Read(8) != 'C' || |
| 3008 | Stream.Read(8) != 'P' || |
| 3009 | Stream.Read(8) != 'C' || |
| 3010 | Stream.Read(8) != 'H') { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3011 | Diags.Report(diag::err_fe_not_a_pch_file) << ASTFileName; |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3012 | return std::string(); |
| 3013 | } |
| 3014 | |
| 3015 | RecordData Record; |
| 3016 | while (!Stream.AtEndOfStream()) { |
| 3017 | unsigned Code = Stream.ReadCode(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3018 | |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3019 | if (Code == llvm::bitc::ENTER_SUBBLOCK) { |
| 3020 | unsigned BlockID = Stream.ReadSubBlockID(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3021 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3022 | // We only know the AST subblock ID. |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3023 | switch (BlockID) { |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3024 | case AST_BLOCK_ID: |
| 3025 | if (Stream.EnterSubBlock(AST_BLOCK_ID)) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3026 | Diags.Report(diag::err_fe_pch_malformed_block) << ASTFileName; |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3027 | return std::string(); |
| 3028 | } |
| 3029 | break; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3030 | |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3031 | default: |
| 3032 | if (Stream.SkipBlock()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3033 | Diags.Report(diag::err_fe_pch_malformed_block) << ASTFileName; |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3034 | return std::string(); |
| 3035 | } |
| 3036 | break; |
| 3037 | } |
| 3038 | continue; |
| 3039 | } |
| 3040 | |
| 3041 | if (Code == llvm::bitc::END_BLOCK) { |
| 3042 | if (Stream.ReadBlockEnd()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3043 | Diags.Report(diag::err_fe_pch_error_at_end_block) << ASTFileName; |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3044 | return std::string(); |
| 3045 | } |
| 3046 | continue; |
| 3047 | } |
| 3048 | |
| 3049 | if (Code == llvm::bitc::DEFINE_ABBREV) { |
| 3050 | Stream.ReadAbbrevRecord(); |
| 3051 | continue; |
| 3052 | } |
| 3053 | |
| 3054 | Record.clear(); |
| 3055 | const char *BlobStart = 0; |
| 3056 | unsigned BlobLen = 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3057 | if (Stream.ReadRecord(Code, Record, &BlobStart, &BlobLen) |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3058 | == ORIGINAL_FILE_NAME) |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3059 | return std::string(BlobStart, BlobLen); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3060 | } |
Douglas Gregor | b64c193 | 2009-05-12 01:31:05 +0000 | [diff] [blame] | 3061 | |
| 3062 | return std::string(); |
| 3063 | } |
| 3064 | |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 3065 | /// \brief Parse the record that corresponds to a LangOptions data |
| 3066 | /// structure. |
| 3067 | /// |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3068 | /// This routine parses the language options from the AST file and then gives |
| 3069 | /// them to the AST listener if one is set. |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 3070 | /// |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3071 | /// \returns true if the listener deems the file unacceptable, false otherwise. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 3072 | bool ASTReader::ParseLanguageOptions( |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3073 | const SmallVectorImpl<uint64_t> &Record) { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3074 | if (Listener) { |
| 3075 | LangOptions LangOpts; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3076 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3077 | #define PARSE_LANGOPT(Option) \ |
| 3078 | LangOpts.Option = Record[Idx]; \ |
| 3079 | ++Idx |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3080 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3081 | unsigned Idx = 0; |
| 3082 | PARSE_LANGOPT(Trigraphs); |
| 3083 | PARSE_LANGOPT(BCPLComment); |
| 3084 | PARSE_LANGOPT(DollarIdents); |
| 3085 | PARSE_LANGOPT(AsmPreprocessor); |
| 3086 | PARSE_LANGOPT(GNUMode); |
Chandler Carruth | eb5d7b7 | 2010-04-17 20:17:31 +0000 | [diff] [blame] | 3087 | PARSE_LANGOPT(GNUKeywords); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3088 | PARSE_LANGOPT(ImplicitInt); |
| 3089 | PARSE_LANGOPT(Digraphs); |
| 3090 | PARSE_LANGOPT(HexFloats); |
| 3091 | PARSE_LANGOPT(C99); |
Peter Collingbourne | 7e7fbd0 | 2011-04-15 00:35:23 +0000 | [diff] [blame] | 3092 | PARSE_LANGOPT(C1X); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3093 | PARSE_LANGOPT(Microsoft); |
| 3094 | PARSE_LANGOPT(CPlusPlus); |
| 3095 | PARSE_LANGOPT(CPlusPlus0x); |
| 3096 | PARSE_LANGOPT(CXXOperatorNames); |
| 3097 | PARSE_LANGOPT(ObjC1); |
| 3098 | PARSE_LANGOPT(ObjC2); |
| 3099 | PARSE_LANGOPT(ObjCNonFragileABI); |
Fariborz Jahanian | 412e798 | 2010-02-09 19:31:38 +0000 | [diff] [blame] | 3100 | PARSE_LANGOPT(ObjCNonFragileABI2); |
Fariborz Jahanian | f84109e | 2011-01-07 18:59:25 +0000 | [diff] [blame] | 3101 | PARSE_LANGOPT(AppleKext); |
Ted Kremenek | c32647d | 2010-12-23 21:35:43 +0000 | [diff] [blame] | 3102 | PARSE_LANGOPT(ObjCDefaultSynthProperties); |
Douglas Gregor | 74da19f | 2011-06-14 23:20:43 +0000 | [diff] [blame] | 3103 | PARSE_LANGOPT(ObjCInferRelatedResultType); |
Fariborz Jahanian | 4c9d8d0 | 2010-04-22 21:01:59 +0000 | [diff] [blame] | 3104 | PARSE_LANGOPT(NoConstantCFStrings); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3105 | PARSE_LANGOPT(PascalStrings); |
| 3106 | PARSE_LANGOPT(WritableStrings); |
| 3107 | PARSE_LANGOPT(LaxVectorConversions); |
Nate Begeman | b9e7e63 | 2009-06-25 23:01:11 +0000 | [diff] [blame] | 3108 | PARSE_LANGOPT(AltiVec); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3109 | PARSE_LANGOPT(Exceptions); |
Anders Carlsson | da4b7cf | 2011-02-19 23:53:54 +0000 | [diff] [blame] | 3110 | PARSE_LANGOPT(ObjCExceptions); |
Anders Carlsson | 7da99b0 | 2011-02-23 03:04:54 +0000 | [diff] [blame] | 3111 | PARSE_LANGOPT(CXXExceptions); |
| 3112 | PARSE_LANGOPT(SjLjExceptions); |
Douglas Gregor | 6f75550 | 2011-02-01 15:15:22 +0000 | [diff] [blame] | 3113 | PARSE_LANGOPT(MSBitfields); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3114 | PARSE_LANGOPT(NeXTRuntime); |
| 3115 | PARSE_LANGOPT(Freestanding); |
| 3116 | PARSE_LANGOPT(NoBuiltin); |
| 3117 | PARSE_LANGOPT(ThreadsafeStatics); |
Douglas Gregor | 972d954 | 2009-09-03 14:36:33 +0000 | [diff] [blame] | 3118 | PARSE_LANGOPT(POSIXThreads); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3119 | PARSE_LANGOPT(Blocks); |
| 3120 | PARSE_LANGOPT(EmitAllDecls); |
| 3121 | PARSE_LANGOPT(MathErrno); |
Chris Lattner | a4d7145 | 2010-06-26 21:25:03 +0000 | [diff] [blame] | 3122 | LangOpts.setSignedOverflowBehavior((LangOptions::SignedOverflowBehaviorTy) |
| 3123 | Record[Idx++]); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3124 | PARSE_LANGOPT(HeinousExtensions); |
| 3125 | PARSE_LANGOPT(Optimize); |
| 3126 | PARSE_LANGOPT(OptimizeSize); |
| 3127 | PARSE_LANGOPT(Static); |
| 3128 | PARSE_LANGOPT(PICLevel); |
| 3129 | PARSE_LANGOPT(GNUInline); |
| 3130 | PARSE_LANGOPT(NoInline); |
Chandler Carruth | 0d2d1bc | 2011-04-23 20:05:38 +0000 | [diff] [blame] | 3131 | PARSE_LANGOPT(Deprecated); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3132 | PARSE_LANGOPT(AccessControl); |
| 3133 | PARSE_LANGOPT(CharIsSigned); |
John Thompson | a6fda12 | 2009-11-05 20:14:16 +0000 | [diff] [blame] | 3134 | PARSE_LANGOPT(ShortWChar); |
Argyrios Kyrtzidis | b1bdced | 2011-01-15 02:56:16 +0000 | [diff] [blame] | 3135 | PARSE_LANGOPT(ShortEnums); |
Chris Lattner | a4d7145 | 2010-06-26 21:25:03 +0000 | [diff] [blame] | 3136 | LangOpts.setGCMode((LangOptions::GCMode)Record[Idx++]); |
John McCall | 1fb0caa | 2010-10-22 21:05:15 +0000 | [diff] [blame] | 3137 | LangOpts.setVisibilityMode((Visibility)Record[Idx++]); |
Daniel Dunbar | ab8e281 | 2009-09-21 04:16:19 +0000 | [diff] [blame] | 3138 | LangOpts.setStackProtectorMode((LangOptions::StackProtectorMode) |
Chris Lattner | a4d7145 | 2010-06-26 21:25:03 +0000 | [diff] [blame] | 3139 | Record[Idx++]); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3140 | PARSE_LANGOPT(InstantiationDepth); |
Nate Begeman | b9e7e63 | 2009-06-25 23:01:11 +0000 | [diff] [blame] | 3141 | PARSE_LANGOPT(OpenCL); |
Peter Collingbourne | 08a5326 | 2010-12-01 19:14:57 +0000 | [diff] [blame] | 3142 | PARSE_LANGOPT(CUDA); |
Mike Stump | 9c276ae | 2009-12-12 01:27:46 +0000 | [diff] [blame] | 3143 | PARSE_LANGOPT(CatchUndefined); |
Peter Collingbourne | 84bccea | 2011-02-15 19:46:30 +0000 | [diff] [blame] | 3144 | PARSE_LANGOPT(DefaultFPContract); |
Roman Divacky | 1c51b1c | 2011-03-01 17:36:40 +0000 | [diff] [blame] | 3145 | PARSE_LANGOPT(ElideConstructors); |
| 3146 | PARSE_LANGOPT(SpellChecking); |
Roman Divacky | cfe9af2 | 2011-03-01 17:40:53 +0000 | [diff] [blame] | 3147 | PARSE_LANGOPT(MRTD); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 3148 | PARSE_LANGOPT(ObjCAutoRefCount); |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3149 | #undef PARSE_LANGOPT |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 3150 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 3151 | return Listener->ReadLanguageOptions(LangOpts); |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 3152 | } |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 3153 | |
| 3154 | return false; |
| 3155 | } |
| 3156 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 3157 | void ASTReader::ReadPreprocessedEntities() { |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 3158 | for (ModuleIterator I = ModuleMgr.begin(), E = ModuleMgr.end(); I != E; ++I) { |
| 3159 | Module &F = *(*I); |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 3160 | if (!F.PreprocessorDetailCursor.getBitStreamReader()) |
| 3161 | continue; |
| 3162 | |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 3163 | SavedStreamPosition SavedPosition(F.PreprocessorDetailCursor); |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 3164 | F.PreprocessorDetailCursor.JumpToBit(F.PreprocessorDetailStartOffset); |
| 3165 | while (LoadPreprocessedEntity(F)) { } |
| 3166 | } |
Douglas Gregor | 6a5a23f | 2010-03-19 21:51:54 +0000 | [diff] [blame] | 3167 | } |
| 3168 | |
Douglas Gregor | 0a48029 | 2011-02-11 19:46:30 +0000 | [diff] [blame] | 3169 | PreprocessedEntity *ASTReader::ReadPreprocessedEntityAtOffset(uint64_t Offset) { |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 3170 | RecordLocation Loc = getLocalBitOffset(Offset); |
Douglas Gregor | 89d9980 | 2010-11-30 06:16:57 +0000 | [diff] [blame] | 3171 | |
Douglas Gregor | 4800a5c | 2011-02-08 21:58:10 +0000 | [diff] [blame] | 3172 | // Keep track of where we are in the stream, then jump back there |
| 3173 | // after reading this entity. |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 3174 | SavedStreamPosition SavedPosition(Loc.F->PreprocessorDetailCursor); |
| 3175 | Loc.F->PreprocessorDetailCursor.JumpToBit(Loc.Offset); |
| 3176 | return LoadPreprocessedEntity(*Loc.F); |
Douglas Gregor | 89d9980 | 2010-11-30 06:16:57 +0000 | [diff] [blame] | 3177 | } |
| 3178 | |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 3179 | HeaderFileInfo ASTReader::GetHeaderFileInfo(const FileEntry *FE) { |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 3180 | for (ModuleIterator I = ModuleMgr.begin(), E = ModuleMgr.end(); I != E; ++I) { |
| 3181 | Module &F = *(*I); |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 3182 | |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 3183 | HeaderFileInfoTrait Trait(*this, F, &PP->getHeaderSearchInfo(), |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 3184 | F.HeaderFileFrameworkStrings, |
| 3185 | FE->getName()); |
| 3186 | |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 3187 | HeaderFileInfoLookupTable *Table |
| 3188 | = static_cast<HeaderFileInfoLookupTable *>(F.HeaderFileInfoTable); |
| 3189 | if (!Table) |
| 3190 | continue; |
| 3191 | |
| 3192 | // Look in the on-disk hash table for an entry for this file name. |
| 3193 | HeaderFileInfoLookupTable::iterator Pos = Table->find(FE->getName(), |
| 3194 | &Trait); |
| 3195 | if (Pos == Table->end()) |
| 3196 | continue; |
| 3197 | |
| 3198 | HeaderFileInfo HFI = *Pos; |
| 3199 | if (Listener) |
| 3200 | Listener->ReadHeaderFileInfo(HFI, FE->getUID()); |
| 3201 | |
| 3202 | return HFI; |
| 3203 | } |
| 3204 | |
| 3205 | return HeaderFileInfo(); |
| 3206 | } |
| 3207 | |
Argyrios Kyrtzidis | 3efd52c | 2011-01-14 20:54:07 +0000 | [diff] [blame] | 3208 | void ASTReader::ReadPragmaDiagnosticMappings(Diagnostic &Diag) { |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 3209 | for (ModuleIterator I = ModuleMgr.begin(), E = ModuleMgr.end(); I != E; ++I) { |
| 3210 | Module &F = *(*I); |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 3211 | unsigned Idx = 0; |
| 3212 | while (Idx < F.PragmaDiagMappings.size()) { |
| 3213 | SourceLocation Loc = ReadSourceLocation(F, F.PragmaDiagMappings[Idx++]); |
| 3214 | while (1) { |
| 3215 | assert(Idx < F.PragmaDiagMappings.size() && |
| 3216 | "Invalid data, didn't find '-1' marking end of diag/map pairs"); |
| 3217 | if (Idx >= F.PragmaDiagMappings.size()) { |
| 3218 | break; // Something is messed up but at least avoid infinite loop in |
| 3219 | // release build. |
| 3220 | } |
| 3221 | unsigned DiagID = F.PragmaDiagMappings[Idx++]; |
| 3222 | if (DiagID == (unsigned)-1) { |
| 3223 | break; // no more diag/map pairs for this location. |
| 3224 | } |
| 3225 | diag::Mapping Map = (diag::Mapping)F.PragmaDiagMappings[Idx++]; |
| 3226 | Diag.setDiagnosticMapping(DiagID, Map, Loc); |
| 3227 | } |
Argyrios Kyrtzidis | 3efd52c | 2011-01-14 20:54:07 +0000 | [diff] [blame] | 3228 | } |
Argyrios Kyrtzidis | f41d3be | 2010-11-05 22:10:18 +0000 | [diff] [blame] | 3229 | } |
| 3230 | } |
| 3231 | |
Sebastian Redl | aaec0aa | 2010-07-20 22:37:49 +0000 | [diff] [blame] | 3232 | /// \brief Get the correct cursor and offset for loading a type. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 3233 | ASTReader::RecordLocation ASTReader::TypeCursorForIndex(unsigned Index) { |
Jonathan D. Turner | e9b76c1 | 2011-07-20 21:31:32 +0000 | [diff] [blame] | 3234 | GlobalTypeMapType::iterator I = GlobalTypeMap.find(Index+1); |
| 3235 | assert(I != GlobalTypeMap.end() && "Corrupted global type map"); |
Douglas Gregor | 1e849b6 | 2011-07-29 00:21:44 +0000 | [diff] [blame] | 3236 | Module *M = I->second; |
| 3237 | return RecordLocation(M, M->TypeOffsets[Index - M->BaseTypeID]); |
Sebastian Redl | aaec0aa | 2010-07-20 22:37:49 +0000 | [diff] [blame] | 3238 | } |
| 3239 | |
| 3240 | /// \brief Read and return the type with the given index.. |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3241 | /// |
Sebastian Redl | aaec0aa | 2010-07-20 22:37:49 +0000 | [diff] [blame] | 3242 | /// The index is the type ID, shifted and minus the number of predefs. This |
| 3243 | /// routine actually reads the record corresponding to the type at the given |
| 3244 | /// location. It is a helper routine for GetType, which deals with reading type |
| 3245 | /// IDs. |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3246 | QualType ASTReader::readTypeRecord(unsigned Index) { |
Sebastian Redl | aaec0aa | 2010-07-20 22:37:49 +0000 | [diff] [blame] | 3247 | RecordLocation Loc = TypeCursorForIndex(Index); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3248 | llvm::BitstreamCursor &DeclsCursor = Loc.F->DeclsCursor; |
Sebastian Redl | 9137a52 | 2010-07-16 17:50:48 +0000 | [diff] [blame] | 3249 | |
Douglas Gregor | 0b74891 | 2009-04-14 21:18:50 +0000 | [diff] [blame] | 3250 | // Keep track of where we are in the stream, then jump back there |
| 3251 | // after reading this type. |
Douglas Gregor | 61d60ee | 2009-10-17 00:13:19 +0000 | [diff] [blame] | 3252 | SavedStreamPosition SavedPosition(DeclsCursor); |
Douglas Gregor | 0b74891 | 2009-04-14 21:18:50 +0000 | [diff] [blame] | 3253 | |
Argyrios Kyrtzidis | 919e693 | 2010-06-28 22:28:35 +0000 | [diff] [blame] | 3254 | ReadingKindTracker ReadingKind(Read_Type, *this); |
Sebastian Redl | 27372b4 | 2010-08-11 18:52:41 +0000 | [diff] [blame] | 3255 | |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 3256 | // Note that we are loading a type record. |
Argyrios Kyrtzidis | 29ee3a2 | 2010-07-30 10:03:16 +0000 | [diff] [blame] | 3257 | Deserializing AType(this); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3258 | |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3259 | unsigned Idx = 0; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3260 | DeclsCursor.JumpToBit(Loc.Offset); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3261 | RecordData Record; |
Douglas Gregor | 61d60ee | 2009-10-17 00:13:19 +0000 | [diff] [blame] | 3262 | unsigned Code = DeclsCursor.ReadCode(); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3263 | switch ((TypeCode)DeclsCursor.ReadRecord(Code, Record)) { |
| 3264 | case TYPE_EXT_QUAL: { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3265 | if (Record.size() != 2) { |
| 3266 | Error("Incorrect encoding of extended qualifier type"); |
| 3267 | return QualType(); |
| 3268 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3269 | QualType Base = readType(*Loc.F, Record, Idx); |
| 3270 | Qualifiers Quals = Qualifiers::fromOpaqueValue(Record[Idx++]); |
John McCall | 0953e76 | 2009-09-24 19:53:00 +0000 | [diff] [blame] | 3271 | return Context->getQualifiedType(Base, Quals); |
Douglas Gregor | 6d47396 | 2009-04-15 22:00:08 +0000 | [diff] [blame] | 3272 | } |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3273 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3274 | case TYPE_COMPLEX: { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3275 | if (Record.size() != 1) { |
| 3276 | Error("Incorrect encoding of complex type"); |
| 3277 | return QualType(); |
| 3278 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3279 | QualType ElemType = readType(*Loc.F, Record, Idx); |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3280 | return Context->getComplexType(ElemType); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3281 | } |
| 3282 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3283 | case TYPE_POINTER: { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3284 | if (Record.size() != 1) { |
| 3285 | Error("Incorrect encoding of pointer type"); |
| 3286 | return QualType(); |
| 3287 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3288 | QualType PointeeType = readType(*Loc.F, Record, Idx); |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3289 | return Context->getPointerType(PointeeType); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3290 | } |
| 3291 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3292 | case TYPE_BLOCK_POINTER: { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3293 | if (Record.size() != 1) { |
| 3294 | Error("Incorrect encoding of block pointer type"); |
| 3295 | return QualType(); |
| 3296 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3297 | QualType PointeeType = readType(*Loc.F, Record, Idx); |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3298 | return Context->getBlockPointerType(PointeeType); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3299 | } |
| 3300 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3301 | case TYPE_LVALUE_REFERENCE: { |
Richard Smith | df1550f | 2011-04-12 10:38:03 +0000 | [diff] [blame] | 3302 | if (Record.size() != 2) { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3303 | Error("Incorrect encoding of lvalue reference type"); |
| 3304 | return QualType(); |
| 3305 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3306 | QualType PointeeType = readType(*Loc.F, Record, Idx); |
Richard Smith | df1550f | 2011-04-12 10:38:03 +0000 | [diff] [blame] | 3307 | return Context->getLValueReferenceType(PointeeType, Record[1]); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3308 | } |
| 3309 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3310 | case TYPE_RVALUE_REFERENCE: { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3311 | if (Record.size() != 1) { |
| 3312 | Error("Incorrect encoding of rvalue reference type"); |
| 3313 | return QualType(); |
| 3314 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3315 | QualType PointeeType = readType(*Loc.F, Record, Idx); |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3316 | return Context->getRValueReferenceType(PointeeType); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3317 | } |
| 3318 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3319 | case TYPE_MEMBER_POINTER: { |
Argyrios Kyrtzidis | 240437b | 2010-07-02 11:55:15 +0000 | [diff] [blame] | 3320 | if (Record.size() != 2) { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3321 | Error("Incorrect encoding of member pointer type"); |
| 3322 | return QualType(); |
| 3323 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3324 | QualType PointeeType = readType(*Loc.F, Record, Idx); |
| 3325 | QualType ClassType = readType(*Loc.F, Record, Idx); |
Douglas Gregor | 1ab55e9 | 2010-12-10 17:03:06 +0000 | [diff] [blame] | 3326 | if (PointeeType.isNull() || ClassType.isNull()) |
| 3327 | return QualType(); |
| 3328 | |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3329 | return Context->getMemberPointerType(PointeeType, ClassType.getTypePtr()); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3330 | } |
| 3331 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3332 | case TYPE_CONSTANT_ARRAY: { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3333 | QualType ElementType = readType(*Loc.F, Record, Idx); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3334 | ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1]; |
| 3335 | unsigned IndexTypeQuals = Record[2]; |
| 3336 | unsigned Idx = 3; |
| 3337 | llvm::APInt Size = ReadAPInt(Record, Idx); |
Douglas Gregor | 7e7eb3d | 2009-07-06 15:59:29 +0000 | [diff] [blame] | 3338 | return Context->getConstantArrayType(ElementType, Size, |
| 3339 | ASM, IndexTypeQuals); |
| 3340 | } |
| 3341 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3342 | case TYPE_INCOMPLETE_ARRAY: { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3343 | QualType ElementType = readType(*Loc.F, Record, Idx); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3344 | ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1]; |
| 3345 | unsigned IndexTypeQuals = Record[2]; |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3346 | return Context->getIncompleteArrayType(ElementType, ASM, IndexTypeQuals); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3347 | } |
| 3348 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3349 | case TYPE_VARIABLE_ARRAY: { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3350 | QualType ElementType = readType(*Loc.F, Record, Idx); |
Douglas Gregor | 0b74891 | 2009-04-14 21:18:50 +0000 | [diff] [blame] | 3351 | ArrayType::ArraySizeModifier ASM = (ArrayType::ArraySizeModifier)Record[1]; |
| 3352 | unsigned IndexTypeQuals = Record[2]; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3353 | SourceLocation LBLoc = ReadSourceLocation(*Loc.F, Record[3]); |
| 3354 | SourceLocation RBLoc = ReadSourceLocation(*Loc.F, Record[4]); |
| 3355 | return Context->getVariableArrayType(ElementType, ReadExpr(*Loc.F), |
Douglas Gregor | 7e7eb3d | 2009-07-06 15:59:29 +0000 | [diff] [blame] | 3356 | ASM, IndexTypeQuals, |
| 3357 | SourceRange(LBLoc, RBLoc)); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3358 | } |
| 3359 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3360 | case TYPE_VECTOR: { |
Chris Lattner | 788b0fd | 2010-06-23 06:00:24 +0000 | [diff] [blame] | 3361 | if (Record.size() != 3) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3362 | Error("incorrect encoding of vector type in AST file"); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3363 | return QualType(); |
| 3364 | } |
| 3365 | |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3366 | QualType ElementType = readType(*Loc.F, Record, Idx); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3367 | unsigned NumElements = Record[1]; |
Bob Wilson | e86d78c | 2010-11-10 21:56:12 +0000 | [diff] [blame] | 3368 | unsigned VecKind = Record[2]; |
Chris Lattner | 788b0fd | 2010-06-23 06:00:24 +0000 | [diff] [blame] | 3369 | return Context->getVectorType(ElementType, NumElements, |
Bob Wilson | e86d78c | 2010-11-10 21:56:12 +0000 | [diff] [blame] | 3370 | (VectorType::VectorKind)VecKind); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3371 | } |
| 3372 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3373 | case TYPE_EXT_VECTOR: { |
Chris Lattner | 788b0fd | 2010-06-23 06:00:24 +0000 | [diff] [blame] | 3374 | if (Record.size() != 3) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3375 | Error("incorrect encoding of extended vector type in AST file"); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3376 | return QualType(); |
| 3377 | } |
| 3378 | |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3379 | QualType ElementType = readType(*Loc.F, Record, Idx); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3380 | unsigned NumElements = Record[1]; |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3381 | return Context->getExtVectorType(ElementType, NumElements); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3382 | } |
| 3383 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3384 | case TYPE_FUNCTION_NO_PROTO: { |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 3385 | if (Record.size() != 6) { |
Douglas Gregor | a02b147 | 2009-04-28 21:53:25 +0000 | [diff] [blame] | 3386 | Error("incorrect encoding of no-proto function type"); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3387 | return QualType(); |
| 3388 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3389 | QualType ResultType = readType(*Loc.F, Record, Idx); |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 3390 | FunctionType::ExtInfo Info(Record[1], Record[2], Record[3], |
| 3391 | (CallingConv)Record[4], Record[5]); |
Rafael Espindola | 264ba48 | 2010-03-30 20:24:48 +0000 | [diff] [blame] | 3392 | return Context->getFunctionNoProtoType(ResultType, Info); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3393 | } |
| 3394 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3395 | case TYPE_FUNCTION_PROTO: { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3396 | QualType ResultType = readType(*Loc.F, Record, Idx); |
John McCall | e23cf43 | 2010-12-14 08:05:40 +0000 | [diff] [blame] | 3397 | |
| 3398 | FunctionProtoType::ExtProtoInfo EPI; |
| 3399 | EPI.ExtInfo = FunctionType::ExtInfo(/*noreturn*/ Record[1], |
Eli Friedman | a49218e | 2011-04-09 08:18:08 +0000 | [diff] [blame] | 3400 | /*hasregparm*/ Record[2], |
| 3401 | /*regparm*/ Record[3], |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 3402 | static_cast<CallingConv>(Record[4]), |
| 3403 | /*produces*/ Record[5]); |
John McCall | e23cf43 | 2010-12-14 08:05:40 +0000 | [diff] [blame] | 3404 | |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 3405 | unsigned Idx = 6; |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3406 | unsigned NumParams = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3407 | SmallVector<QualType, 16> ParamTypes; |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3408 | for (unsigned I = 0; I != NumParams; ++I) |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3409 | ParamTypes.push_back(readType(*Loc.F, Record, Idx)); |
John McCall | e23cf43 | 2010-12-14 08:05:40 +0000 | [diff] [blame] | 3410 | |
| 3411 | EPI.Variadic = Record[Idx++]; |
| 3412 | EPI.TypeQuals = Record[Idx++]; |
Douglas Gregor | c938c16 | 2011-01-26 05:01:58 +0000 | [diff] [blame] | 3413 | EPI.RefQualifier = static_cast<RefQualifierKind>(Record[Idx++]); |
Sebastian Redl | 60618fa | 2011-03-12 11:50:43 +0000 | [diff] [blame] | 3414 | ExceptionSpecificationType EST = |
| 3415 | static_cast<ExceptionSpecificationType>(Record[Idx++]); |
| 3416 | EPI.ExceptionSpecType = EST; |
| 3417 | if (EST == EST_Dynamic) { |
| 3418 | EPI.NumExceptions = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3419 | SmallVector<QualType, 2> Exceptions; |
Sebastian Redl | 60618fa | 2011-03-12 11:50:43 +0000 | [diff] [blame] | 3420 | for (unsigned I = 0; I != EPI.NumExceptions; ++I) |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3421 | Exceptions.push_back(readType(*Loc.F, Record, Idx)); |
Sebastian Redl | 60618fa | 2011-03-12 11:50:43 +0000 | [diff] [blame] | 3422 | EPI.Exceptions = Exceptions.data(); |
| 3423 | } else if (EST == EST_ComputedNoexcept) { |
| 3424 | EPI.NoexceptExpr = ReadExpr(*Loc.F); |
| 3425 | } |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 3426 | return Context->getFunctionType(ResultType, ParamTypes.data(), NumParams, |
John McCall | e23cf43 | 2010-12-14 08:05:40 +0000 | [diff] [blame] | 3427 | EPI); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3428 | } |
| 3429 | |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3430 | case TYPE_UNRESOLVED_USING: { |
| 3431 | unsigned Idx = 0; |
John McCall | ed97649 | 2009-12-04 22:46:56 +0000 | [diff] [blame] | 3432 | return Context->getTypeDeclType( |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3433 | ReadDeclAs<UnresolvedUsingTypenameDecl>(*Loc.F, Record, Idx)); |
| 3434 | } |
| 3435 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3436 | case TYPE_TYPEDEF: { |
Argyrios Kyrtzidis | 9763e22 | 2010-07-02 11:55:11 +0000 | [diff] [blame] | 3437 | if (Record.size() != 2) { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3438 | Error("incorrect encoding of typedef type"); |
| 3439 | return QualType(); |
| 3440 | } |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3441 | unsigned Idx = 0; |
| 3442 | TypedefNameDecl *Decl = ReadDeclAs<TypedefNameDecl>(*Loc.F, Record, Idx); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3443 | QualType Canonical = readType(*Loc.F, Record, Idx); |
Douglas Gregor | 32adc8b | 2010-10-26 00:51:02 +0000 | [diff] [blame] | 3444 | if (!Canonical.isNull()) |
| 3445 | Canonical = Context->getCanonicalType(Canonical); |
Argyrios Kyrtzidis | 9763e22 | 2010-07-02 11:55:11 +0000 | [diff] [blame] | 3446 | return Context->getTypedefType(Decl, Canonical); |
| 3447 | } |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3448 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3449 | case TYPE_TYPEOF_EXPR: |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3450 | return Context->getTypeOfExprType(ReadExpr(*Loc.F)); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3451 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3452 | case TYPE_TYPEOF: { |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3453 | if (Record.size() != 1) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3454 | Error("incorrect encoding of typeof(type) in AST file"); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3455 | return QualType(); |
| 3456 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3457 | QualType UnderlyingType = readType(*Loc.F, Record, Idx); |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3458 | return Context->getTypeOfType(UnderlyingType); |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3459 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3460 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3461 | case TYPE_DECLTYPE: |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3462 | return Context->getDecltypeType(ReadExpr(*Loc.F)); |
Anders Carlsson | 395b475 | 2009-06-24 19:06:50 +0000 | [diff] [blame] | 3463 | |
Sean Hunt | ca63c20 | 2011-05-24 22:41:36 +0000 | [diff] [blame] | 3464 | case TYPE_UNARY_TRANSFORM: { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3465 | QualType BaseType = readType(*Loc.F, Record, Idx); |
| 3466 | QualType UnderlyingType = readType(*Loc.F, Record, Idx); |
Sean Hunt | ca63c20 | 2011-05-24 22:41:36 +0000 | [diff] [blame] | 3467 | UnaryTransformType::UTTKind UKind = (UnaryTransformType::UTTKind)Record[2]; |
| 3468 | return Context->getUnaryTransformType(BaseType, UnderlyingType, UKind); |
| 3469 | } |
| 3470 | |
Richard Smith | 34b41d9 | 2011-02-20 03:19:35 +0000 | [diff] [blame] | 3471 | case TYPE_AUTO: |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3472 | return Context->getAutoType(readType(*Loc.F, Record, Idx)); |
Richard Smith | 34b41d9 | 2011-02-20 03:19:35 +0000 | [diff] [blame] | 3473 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3474 | case TYPE_RECORD: { |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3475 | if (Record.size() != 2) { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3476 | Error("incorrect encoding of record type"); |
| 3477 | return QualType(); |
| 3478 | } |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3479 | unsigned Idx = 0; |
| 3480 | bool IsDependent = Record[Idx++]; |
| 3481 | QualType T |
| 3482 | = Context->getRecordType(ReadDeclAs<RecordDecl>(*Loc.F, Record, Idx)); |
John McCall | f4c7371 | 2011-01-19 06:33:43 +0000 | [diff] [blame] | 3483 | const_cast<Type*>(T.getTypePtr())->setDependent(IsDependent); |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3484 | return T; |
| 3485 | } |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3486 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3487 | case TYPE_ENUM: { |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3488 | if (Record.size() != 2) { |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 3489 | Error("incorrect encoding of enum type"); |
| 3490 | return QualType(); |
| 3491 | } |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3492 | unsigned Idx = 0; |
| 3493 | bool IsDependent = Record[Idx++]; |
| 3494 | QualType T |
| 3495 | = Context->getEnumType(ReadDeclAs<EnumDecl>(*Loc.F, Record, Idx)); |
John McCall | f4c7371 | 2011-01-19 06:33:43 +0000 | [diff] [blame] | 3496 | const_cast<Type*>(T.getTypePtr())->setDependent(IsDependent); |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3497 | return T; |
| 3498 | } |
Douglas Gregor | 0a2b45e | 2009-04-13 18:14:40 +0000 | [diff] [blame] | 3499 | |
John McCall | 9d156a7 | 2011-01-06 01:58:22 +0000 | [diff] [blame] | 3500 | case TYPE_ATTRIBUTED: { |
| 3501 | if (Record.size() != 3) { |
| 3502 | Error("incorrect encoding of attributed type"); |
| 3503 | return QualType(); |
| 3504 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3505 | QualType modifiedType = readType(*Loc.F, Record, Idx); |
| 3506 | QualType equivalentType = readType(*Loc.F, Record, Idx); |
John McCall | 9d156a7 | 2011-01-06 01:58:22 +0000 | [diff] [blame] | 3507 | AttributedType::Kind kind = static_cast<AttributedType::Kind>(Record[2]); |
| 3508 | return Context->getAttributedType(kind, modifiedType, equivalentType); |
| 3509 | } |
| 3510 | |
Abramo Bagnara | 075f8f1 | 2010-12-10 16:29:40 +0000 | [diff] [blame] | 3511 | case TYPE_PAREN: { |
| 3512 | if (Record.size() != 1) { |
| 3513 | Error("incorrect encoding of paren type"); |
| 3514 | return QualType(); |
| 3515 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3516 | QualType InnerType = readType(*Loc.F, Record, Idx); |
Abramo Bagnara | 075f8f1 | 2010-12-10 16:29:40 +0000 | [diff] [blame] | 3517 | return Context->getParenType(InnerType); |
| 3518 | } |
| 3519 | |
Douglas Gregor | 7536dd5 | 2010-12-20 02:24:11 +0000 | [diff] [blame] | 3520 | case TYPE_PACK_EXPANSION: { |
Douglas Gregor | f9997a0 | 2011-02-01 15:24:58 +0000 | [diff] [blame] | 3521 | if (Record.size() != 2) { |
Douglas Gregor | 7536dd5 | 2010-12-20 02:24:11 +0000 | [diff] [blame] | 3522 | Error("incorrect encoding of pack expansion type"); |
| 3523 | return QualType(); |
| 3524 | } |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3525 | QualType Pattern = readType(*Loc.F, Record, Idx); |
Douglas Gregor | 7536dd5 | 2010-12-20 02:24:11 +0000 | [diff] [blame] | 3526 | if (Pattern.isNull()) |
| 3527 | return QualType(); |
Douglas Gregor | cded4f6 | 2011-01-14 17:04:44 +0000 | [diff] [blame] | 3528 | llvm::Optional<unsigned> NumExpansions; |
| 3529 | if (Record[1]) |
| 3530 | NumExpansions = Record[1] - 1; |
| 3531 | return Context->getPackExpansionType(Pattern, NumExpansions); |
Douglas Gregor | 7536dd5 | 2010-12-20 02:24:11 +0000 | [diff] [blame] | 3532 | } |
| 3533 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3534 | case TYPE_ELABORATED: { |
Argyrios Kyrtzidis | 3acad62 | 2010-06-25 16:24:58 +0000 | [diff] [blame] | 3535 | unsigned Idx = 0; |
| 3536 | ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++]; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3537 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(*Loc.F, Record, Idx); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3538 | QualType NamedType = readType(*Loc.F, Record, Idx); |
Argyrios Kyrtzidis | 3acad62 | 2010-06-25 16:24:58 +0000 | [diff] [blame] | 3539 | return Context->getElaboratedType(Keyword, NNS, NamedType); |
John McCall | 7da2431 | 2009-09-05 00:15:47 +0000 | [diff] [blame] | 3540 | } |
| 3541 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3542 | case TYPE_OBJC_INTERFACE: { |
Chris Lattner | c6fa445 | 2009-04-22 06:45:28 +0000 | [diff] [blame] | 3543 | unsigned Idx = 0; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3544 | ObjCInterfaceDecl *ItfD |
| 3545 | = ReadDeclAs<ObjCInterfaceDecl>(*Loc.F, Record, Idx); |
John McCall | c12c5bb | 2010-05-15 11:32:37 +0000 | [diff] [blame] | 3546 | return Context->getObjCInterfaceType(ItfD); |
| 3547 | } |
| 3548 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3549 | case TYPE_OBJC_OBJECT: { |
John McCall | c12c5bb | 2010-05-15 11:32:37 +0000 | [diff] [blame] | 3550 | unsigned Idx = 0; |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3551 | QualType Base = readType(*Loc.F, Record, Idx); |
Chris Lattner | c6fa445 | 2009-04-22 06:45:28 +0000 | [diff] [blame] | 3552 | unsigned NumProtos = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3553 | SmallVector<ObjCProtocolDecl*, 4> Protos; |
Chris Lattner | c6fa445 | 2009-04-22 06:45:28 +0000 | [diff] [blame] | 3554 | for (unsigned I = 0; I != NumProtos; ++I) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3555 | Protos.push_back(ReadDeclAs<ObjCProtocolDecl>(*Loc.F, Record, Idx)); |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 3556 | return Context->getObjCObjectType(Base, Protos.data(), NumProtos); |
Chris Lattner | c6fa445 | 2009-04-22 06:45:28 +0000 | [diff] [blame] | 3557 | } |
Douglas Gregor | b4e715b | 2009-04-13 20:46:52 +0000 | [diff] [blame] | 3558 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3559 | case TYPE_OBJC_OBJECT_POINTER: { |
Chris Lattner | d7a3fcd | 2009-04-22 06:40:03 +0000 | [diff] [blame] | 3560 | unsigned Idx = 0; |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3561 | QualType Pointee = readType(*Loc.F, Record, Idx); |
John McCall | c12c5bb | 2010-05-15 11:32:37 +0000 | [diff] [blame] | 3562 | return Context->getObjCObjectPointerType(Pointee); |
Chris Lattner | d7a3fcd | 2009-04-22 06:40:03 +0000 | [diff] [blame] | 3563 | } |
Argyrios Kyrtzidis | 24fab41 | 2009-09-29 19:42:55 +0000 | [diff] [blame] | 3564 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3565 | case TYPE_SUBST_TEMPLATE_TYPE_PARM: { |
John McCall | 49a832b | 2009-10-18 09:09:24 +0000 | [diff] [blame] | 3566 | unsigned Idx = 0; |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3567 | QualType Parm = readType(*Loc.F, Record, Idx); |
| 3568 | QualType Replacement = readType(*Loc.F, Record, Idx); |
John McCall | 49a832b | 2009-10-18 09:09:24 +0000 | [diff] [blame] | 3569 | return |
| 3570 | Context->getSubstTemplateTypeParmType(cast<TemplateTypeParmType>(Parm), |
| 3571 | Replacement); |
| 3572 | } |
John McCall | 3cb0ebd | 2010-03-10 03:28:59 +0000 | [diff] [blame] | 3573 | |
Douglas Gregor | c3069d6 | 2011-01-14 02:55:32 +0000 | [diff] [blame] | 3574 | case TYPE_SUBST_TEMPLATE_TYPE_PARM_PACK: { |
| 3575 | unsigned Idx = 0; |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3576 | QualType Parm = readType(*Loc.F, Record, Idx); |
Douglas Gregor | c3069d6 | 2011-01-14 02:55:32 +0000 | [diff] [blame] | 3577 | TemplateArgument ArgPack = ReadTemplateArgument(*Loc.F, Record, Idx); |
| 3578 | return Context->getSubstTemplateTypeParmPackType( |
| 3579 | cast<TemplateTypeParmType>(Parm), |
| 3580 | ArgPack); |
| 3581 | } |
| 3582 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3583 | case TYPE_INJECTED_CLASS_NAME: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3584 | CXXRecordDecl *D = ReadDeclAs<CXXRecordDecl>(*Loc.F, Record, Idx); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3585 | QualType TST = readType(*Loc.F, Record, Idx); // probably derivable |
Argyrios Kyrtzidis | 43921b5 | 2010-07-02 11:55:20 +0000 | [diff] [blame] | 3586 | // FIXME: ASTContext::getInjectedClassNameType is not currently suitable |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3587 | // for AST reading, too much interdependencies. |
Argyrios Kyrtzidis | 43921b5 | 2010-07-02 11:55:20 +0000 | [diff] [blame] | 3588 | return |
| 3589 | QualType(new (*Context, TypeAlignment) InjectedClassNameType(D, TST), 0); |
John McCall | 3cb0ebd | 2010-03-10 03:28:59 +0000 | [diff] [blame] | 3590 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 3591 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3592 | case TYPE_TEMPLATE_TYPE_PARM: { |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 3593 | unsigned Idx = 0; |
| 3594 | unsigned Depth = Record[Idx++]; |
| 3595 | unsigned Index = Record[Idx++]; |
| 3596 | bool Pack = Record[Idx++]; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3597 | TemplateTypeParmDecl *D |
| 3598 | = ReadDeclAs<TemplateTypeParmDecl>(*Loc.F, Record, Idx); |
Chandler Carruth | 4fb86f8 | 2011-05-01 00:51:33 +0000 | [diff] [blame] | 3599 | return Context->getTemplateTypeParmType(Depth, Index, Pack, D); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 3600 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 3601 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3602 | case TYPE_DEPENDENT_NAME: { |
Argyrios Kyrtzidis | 8dfbd8b | 2010-06-24 08:57:31 +0000 | [diff] [blame] | 3603 | unsigned Idx = 0; |
| 3604 | ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++]; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3605 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(*Loc.F, Record, Idx); |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 3606 | const IdentifierInfo *Name = this->GetIdentifierInfo(*Loc.F, Record, Idx); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3607 | QualType Canon = readType(*Loc.F, Record, Idx); |
Douglas Gregor | 32adc8b | 2010-10-26 00:51:02 +0000 | [diff] [blame] | 3608 | if (!Canon.isNull()) |
| 3609 | Canon = Context->getCanonicalType(Canon); |
Argyrios Kyrtzidis | f48d45e | 2010-07-02 11:55:24 +0000 | [diff] [blame] | 3610 | return Context->getDependentNameType(Keyword, NNS, Name, Canon); |
Argyrios Kyrtzidis | 8dfbd8b | 2010-06-24 08:57:31 +0000 | [diff] [blame] | 3611 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 3612 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3613 | case TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION: { |
Argyrios Kyrtzidis | 3acad62 | 2010-06-25 16:24:58 +0000 | [diff] [blame] | 3614 | unsigned Idx = 0; |
| 3615 | ElaboratedTypeKeyword Keyword = (ElaboratedTypeKeyword)Record[Idx++]; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3616 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(*Loc.F, Record, Idx); |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 3617 | const IdentifierInfo *Name = this->GetIdentifierInfo(*Loc.F, Record, Idx); |
Argyrios Kyrtzidis | 3acad62 | 2010-06-25 16:24:58 +0000 | [diff] [blame] | 3618 | unsigned NumArgs = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3619 | SmallVector<TemplateArgument, 8> Args; |
Argyrios Kyrtzidis | 3acad62 | 2010-06-25 16:24:58 +0000 | [diff] [blame] | 3620 | Args.reserve(NumArgs); |
| 3621 | while (NumArgs--) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3622 | Args.push_back(ReadTemplateArgument(*Loc.F, Record, Idx)); |
Argyrios Kyrtzidis | 3acad62 | 2010-06-25 16:24:58 +0000 | [diff] [blame] | 3623 | return Context->getDependentTemplateSpecializationType(Keyword, NNS, Name, |
| 3624 | Args.size(), Args.data()); |
| 3625 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 3626 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3627 | case TYPE_DEPENDENT_SIZED_ARRAY: { |
Argyrios Kyrtzidis | ae8b17f | 2010-06-30 08:49:25 +0000 | [diff] [blame] | 3628 | unsigned Idx = 0; |
| 3629 | |
| 3630 | // ArrayType |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3631 | QualType ElementType = readType(*Loc.F, Record, Idx); |
Argyrios Kyrtzidis | ae8b17f | 2010-06-30 08:49:25 +0000 | [diff] [blame] | 3632 | ArrayType::ArraySizeModifier ASM |
| 3633 | = (ArrayType::ArraySizeModifier)Record[Idx++]; |
| 3634 | unsigned IndexTypeQuals = Record[Idx++]; |
| 3635 | |
| 3636 | // DependentSizedArrayType |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3637 | Expr *NumElts = ReadExpr(*Loc.F); |
| 3638 | SourceRange Brackets = ReadSourceRange(*Loc.F, Record, Idx); |
Argyrios Kyrtzidis | ae8b17f | 2010-06-30 08:49:25 +0000 | [diff] [blame] | 3639 | |
| 3640 | return Context->getDependentSizedArrayType(ElementType, NumElts, ASM, |
| 3641 | IndexTypeQuals, Brackets); |
| 3642 | } |
Argyrios Kyrtzidis | 90b715e | 2010-06-19 19:28:53 +0000 | [diff] [blame] | 3643 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3644 | case TYPE_TEMPLATE_SPECIALIZATION: { |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 3645 | unsigned Idx = 0; |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3646 | bool IsDependent = Record[Idx++]; |
Douglas Gregor | 1aee05d | 2011-01-15 06:45:20 +0000 | [diff] [blame] | 3647 | TemplateName Name = ReadTemplateName(*Loc.F, Record, Idx); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 3648 | SmallVector<TemplateArgument, 8> Args; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3649 | ReadTemplateArgumentList(Args, *Loc.F, Record, Idx); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3650 | QualType Underlying = readType(*Loc.F, Record, Idx); |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3651 | QualType T; |
Richard Smith | 3e4c6c4 | 2011-05-05 21:57:07 +0000 | [diff] [blame] | 3652 | if (Underlying.isNull()) |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3653 | T = Context->getCanonicalTemplateSpecializationType(Name, Args.data(), |
| 3654 | Args.size()); |
Argyrios Kyrtzidis | 9763e22 | 2010-07-02 11:55:11 +0000 | [diff] [blame] | 3655 | else |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3656 | T = Context->getTemplateSpecializationType(Name, Args.data(), |
Richard Smith | 3e4c6c4 | 2011-05-05 21:57:07 +0000 | [diff] [blame] | 3657 | Args.size(), Underlying); |
John McCall | f4c7371 | 2011-01-19 06:33:43 +0000 | [diff] [blame] | 3658 | const_cast<Type*>(T.getTypePtr())->setDependent(IsDependent); |
Argyrios Kyrtzidis | be19110 | 2010-07-08 13:09:53 +0000 | [diff] [blame] | 3659 | return T; |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 3660 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3661 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3662 | // Suppress a GCC warning |
| 3663 | return QualType(); |
| 3664 | } |
| 3665 | |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3666 | class clang::TypeLocReader : public TypeLocVisitor<TypeLocReader> { |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 3667 | ASTReader &Reader; |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 3668 | Module &F; |
Sebastian Redl | 577d479 | 2010-07-22 22:43:28 +0000 | [diff] [blame] | 3669 | llvm::BitstreamCursor &DeclsCursor; |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 3670 | const ASTReader::RecordData &Record; |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3671 | unsigned &Idx; |
| 3672 | |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3673 | SourceLocation ReadSourceLocation(const ASTReader::RecordData &R, |
| 3674 | unsigned &I) { |
| 3675 | return Reader.ReadSourceLocation(F, R, I); |
| 3676 | } |
| 3677 | |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3678 | template<typename T> |
| 3679 | T *ReadDeclAs(const ASTReader::RecordData &Record, unsigned &Idx) { |
| 3680 | return Reader.ReadDeclAs<T>(F, Record, Idx); |
| 3681 | } |
| 3682 | |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3683 | public: |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 3684 | TypeLocReader(ASTReader &Reader, Module &F, |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 3685 | const ASTReader::RecordData &Record, unsigned &Idx) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3686 | : Reader(Reader), F(F), DeclsCursor(F.DeclsCursor), Record(Record), Idx(Idx) |
| 3687 | { } |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3688 | |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3689 | // We want compile-time assurance that we've enumerated all of |
| 3690 | // these, so unfortunately we have to declare them first, then |
| 3691 | // define them out-of-line. |
| 3692 | #define ABSTRACT_TYPELOC(CLASS, PARENT) |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3693 | #define TYPELOC(CLASS, PARENT) \ |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3694 | void Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3695 | #include "clang/AST/TypeLocNodes.def" |
| 3696 | |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3697 | void VisitFunctionTypeLoc(FunctionTypeLoc); |
| 3698 | void VisitArrayTypeLoc(ArrayTypeLoc); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3699 | }; |
| 3700 | |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3701 | void TypeLocReader::VisitQualifiedTypeLoc(QualifiedTypeLoc TL) { |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3702 | // nothing to do |
| 3703 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3704 | void TypeLocReader::VisitBuiltinTypeLoc(BuiltinTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3705 | TL.setBuiltinLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | ddf889a | 2010-01-18 18:04:31 +0000 | [diff] [blame] | 3706 | if (TL.needsExtraLocalData()) { |
| 3707 | TL.setWrittenTypeSpec(static_cast<DeclSpec::TST>(Record[Idx++])); |
| 3708 | TL.setWrittenSignSpec(static_cast<DeclSpec::TSS>(Record[Idx++])); |
| 3709 | TL.setWrittenWidthSpec(static_cast<DeclSpec::TSW>(Record[Idx++])); |
| 3710 | TL.setModeAttr(Record[Idx++]); |
| 3711 | } |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3712 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3713 | void TypeLocReader::VisitComplexTypeLoc(ComplexTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3714 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3715 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3716 | void TypeLocReader::VisitPointerTypeLoc(PointerTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3717 | TL.setStarLoc(ReadSourceLocation(Record, Idx)); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3718 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3719 | void TypeLocReader::VisitBlockPointerTypeLoc(BlockPointerTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3720 | TL.setCaretLoc(ReadSourceLocation(Record, Idx)); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3721 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3722 | void TypeLocReader::VisitLValueReferenceTypeLoc(LValueReferenceTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3723 | TL.setAmpLoc(ReadSourceLocation(Record, Idx)); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3724 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3725 | void TypeLocReader::VisitRValueReferenceTypeLoc(RValueReferenceTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3726 | TL.setAmpAmpLoc(ReadSourceLocation(Record, Idx)); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3727 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3728 | void TypeLocReader::VisitMemberPointerTypeLoc(MemberPointerTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3729 | TL.setStarLoc(ReadSourceLocation(Record, Idx)); |
Abramo Bagnara | b6ab6c1 | 2011-03-05 14:42:21 +0000 | [diff] [blame] | 3730 | TL.setClassTInfo(Reader.GetTypeSourceInfo(F, Record, Idx)); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3731 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3732 | void TypeLocReader::VisitArrayTypeLoc(ArrayTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3733 | TL.setLBracketLoc(ReadSourceLocation(Record, Idx)); |
| 3734 | TL.setRBracketLoc(ReadSourceLocation(Record, Idx)); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3735 | if (Record[Idx++]) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3736 | TL.setSizeExpr(Reader.ReadExpr(F)); |
Douglas Gregor | 61d60ee | 2009-10-17 00:13:19 +0000 | [diff] [blame] | 3737 | else |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3738 | TL.setSizeExpr(0); |
| 3739 | } |
| 3740 | void TypeLocReader::VisitConstantArrayTypeLoc(ConstantArrayTypeLoc TL) { |
| 3741 | VisitArrayTypeLoc(TL); |
| 3742 | } |
| 3743 | void TypeLocReader::VisitIncompleteArrayTypeLoc(IncompleteArrayTypeLoc TL) { |
| 3744 | VisitArrayTypeLoc(TL); |
| 3745 | } |
| 3746 | void TypeLocReader::VisitVariableArrayTypeLoc(VariableArrayTypeLoc TL) { |
| 3747 | VisitArrayTypeLoc(TL); |
| 3748 | } |
| 3749 | void TypeLocReader::VisitDependentSizedArrayTypeLoc( |
| 3750 | DependentSizedArrayTypeLoc TL) { |
| 3751 | VisitArrayTypeLoc(TL); |
| 3752 | } |
| 3753 | void TypeLocReader::VisitDependentSizedExtVectorTypeLoc( |
| 3754 | DependentSizedExtVectorTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3755 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3756 | } |
| 3757 | void TypeLocReader::VisitVectorTypeLoc(VectorTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3758 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3759 | } |
| 3760 | void TypeLocReader::VisitExtVectorTypeLoc(ExtVectorTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3761 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3762 | } |
| 3763 | void TypeLocReader::VisitFunctionTypeLoc(FunctionTypeLoc TL) { |
Abramo Bagnara | 796aa44 | 2011-03-12 11:17:06 +0000 | [diff] [blame] | 3764 | TL.setLocalRangeBegin(ReadSourceLocation(Record, Idx)); |
| 3765 | TL.setLocalRangeEnd(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | dab60ad | 2010-10-01 18:44:50 +0000 | [diff] [blame] | 3766 | TL.setTrailingReturn(Record[Idx++]); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3767 | for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 3768 | TL.setArg(i, ReadDeclAs<ParmVarDecl>(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3769 | } |
| 3770 | } |
| 3771 | void TypeLocReader::VisitFunctionProtoTypeLoc(FunctionProtoTypeLoc TL) { |
| 3772 | VisitFunctionTypeLoc(TL); |
| 3773 | } |
| 3774 | void TypeLocReader::VisitFunctionNoProtoTypeLoc(FunctionNoProtoTypeLoc TL) { |
| 3775 | VisitFunctionTypeLoc(TL); |
| 3776 | } |
John McCall | ed97649 | 2009-12-04 22:46:56 +0000 | [diff] [blame] | 3777 | void TypeLocReader::VisitUnresolvedUsingTypeLoc(UnresolvedUsingTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3778 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | ed97649 | 2009-12-04 22:46:56 +0000 | [diff] [blame] | 3779 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3780 | void TypeLocReader::VisitTypedefTypeLoc(TypedefTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3781 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3782 | } |
| 3783 | void TypeLocReader::VisitTypeOfExprTypeLoc(TypeOfExprTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3784 | TL.setTypeofLoc(ReadSourceLocation(Record, Idx)); |
| 3785 | TL.setLParenLoc(ReadSourceLocation(Record, Idx)); |
| 3786 | TL.setRParenLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3787 | } |
| 3788 | void TypeLocReader::VisitTypeOfTypeLoc(TypeOfTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3789 | TL.setTypeofLoc(ReadSourceLocation(Record, Idx)); |
| 3790 | TL.setLParenLoc(ReadSourceLocation(Record, Idx)); |
| 3791 | TL.setRParenLoc(ReadSourceLocation(Record, Idx)); |
| 3792 | TL.setUnderlyingTInfo(Reader.GetTypeSourceInfo(F, Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3793 | } |
| 3794 | void TypeLocReader::VisitDecltypeTypeLoc(DecltypeTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3795 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3796 | } |
Sean Hunt | ca63c20 | 2011-05-24 22:41:36 +0000 | [diff] [blame] | 3797 | void TypeLocReader::VisitUnaryTransformTypeLoc(UnaryTransformTypeLoc TL) { |
| 3798 | TL.setKWLoc(ReadSourceLocation(Record, Idx)); |
| 3799 | TL.setLParenLoc(ReadSourceLocation(Record, Idx)); |
| 3800 | TL.setRParenLoc(ReadSourceLocation(Record, Idx)); |
| 3801 | TL.setUnderlyingTInfo(Reader.GetTypeSourceInfo(F, Record, Idx)); |
| 3802 | } |
Richard Smith | 34b41d9 | 2011-02-20 03:19:35 +0000 | [diff] [blame] | 3803 | void TypeLocReader::VisitAutoTypeLoc(AutoTypeLoc TL) { |
| 3804 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
| 3805 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3806 | void TypeLocReader::VisitRecordTypeLoc(RecordTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3807 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3808 | } |
| 3809 | void TypeLocReader::VisitEnumTypeLoc(EnumTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3810 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3811 | } |
John McCall | 9d156a7 | 2011-01-06 01:58:22 +0000 | [diff] [blame] | 3812 | void TypeLocReader::VisitAttributedTypeLoc(AttributedTypeLoc TL) { |
| 3813 | TL.setAttrNameLoc(ReadSourceLocation(Record, Idx)); |
| 3814 | if (TL.hasAttrOperand()) { |
| 3815 | SourceRange range; |
| 3816 | range.setBegin(ReadSourceLocation(Record, Idx)); |
| 3817 | range.setEnd(ReadSourceLocation(Record, Idx)); |
| 3818 | TL.setAttrOperandParensRange(range); |
| 3819 | } |
| 3820 | if (TL.hasAttrExprOperand()) { |
| 3821 | if (Record[Idx++]) |
| 3822 | TL.setAttrExprOperand(Reader.ReadExpr(F)); |
| 3823 | else |
| 3824 | TL.setAttrExprOperand(0); |
| 3825 | } else if (TL.hasAttrEnumOperand()) |
| 3826 | TL.setAttrEnumOperandLoc(ReadSourceLocation(Record, Idx)); |
| 3827 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3828 | void TypeLocReader::VisitTemplateTypeParmTypeLoc(TemplateTypeParmTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3829 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3830 | } |
John McCall | 49a832b | 2009-10-18 09:09:24 +0000 | [diff] [blame] | 3831 | void TypeLocReader::VisitSubstTemplateTypeParmTypeLoc( |
| 3832 | SubstTemplateTypeParmTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3833 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 49a832b | 2009-10-18 09:09:24 +0000 | [diff] [blame] | 3834 | } |
Douglas Gregor | c3069d6 | 2011-01-14 02:55:32 +0000 | [diff] [blame] | 3835 | void TypeLocReader::VisitSubstTemplateTypeParmPackTypeLoc( |
| 3836 | SubstTemplateTypeParmPackTypeLoc TL) { |
| 3837 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
| 3838 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3839 | void TypeLocReader::VisitTemplateSpecializationTypeLoc( |
| 3840 | TemplateSpecializationTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3841 | TL.setTemplateNameLoc(ReadSourceLocation(Record, Idx)); |
| 3842 | TL.setLAngleLoc(ReadSourceLocation(Record, Idx)); |
| 3843 | TL.setRAngleLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 833ca99 | 2009-10-29 08:12:44 +0000 | [diff] [blame] | 3844 | for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) |
| 3845 | TL.setArgLocInfo(i, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3846 | Reader.GetTemplateArgumentLocInfo(F, |
| 3847 | TL.getTypePtr()->getArg(i).getKind(), |
| 3848 | Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3849 | } |
Abramo Bagnara | 075f8f1 | 2010-12-10 16:29:40 +0000 | [diff] [blame] | 3850 | void TypeLocReader::VisitParenTypeLoc(ParenTypeLoc TL) { |
| 3851 | TL.setLParenLoc(ReadSourceLocation(Record, Idx)); |
| 3852 | TL.setRParenLoc(ReadSourceLocation(Record, Idx)); |
| 3853 | } |
Abramo Bagnara | 465d41b | 2010-05-11 21:36:43 +0000 | [diff] [blame] | 3854 | void TypeLocReader::VisitElaboratedTypeLoc(ElaboratedTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3855 | TL.setKeywordLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | 9e87687 | 2011-03-01 18:12:44 +0000 | [diff] [blame] | 3856 | TL.setQualifierLoc(Reader.ReadNestedNameSpecifierLoc(F, Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3857 | } |
John McCall | 3cb0ebd | 2010-03-10 03:28:59 +0000 | [diff] [blame] | 3858 | void TypeLocReader::VisitInjectedClassNameTypeLoc(InjectedClassNameTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3859 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 3cb0ebd | 2010-03-10 03:28:59 +0000 | [diff] [blame] | 3860 | } |
Douglas Gregor | 4714c12 | 2010-03-31 17:34:00 +0000 | [diff] [blame] | 3861 | void TypeLocReader::VisitDependentNameTypeLoc(DependentNameTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3862 | TL.setKeywordLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | 2494dd0 | 2011-03-01 01:34:45 +0000 | [diff] [blame] | 3863 | TL.setQualifierLoc(Reader.ReadNestedNameSpecifierLoc(F, Record, Idx)); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3864 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3865 | } |
John McCall | 3350095 | 2010-06-11 00:33:02 +0000 | [diff] [blame] | 3866 | void TypeLocReader::VisitDependentTemplateSpecializationTypeLoc( |
| 3867 | DependentTemplateSpecializationTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3868 | TL.setKeywordLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | 94fdffa | 2011-03-01 20:11:18 +0000 | [diff] [blame] | 3869 | TL.setQualifierLoc(Reader.ReadNestedNameSpecifierLoc(F, Record, Idx)); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3870 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
| 3871 | TL.setLAngleLoc(ReadSourceLocation(Record, Idx)); |
| 3872 | TL.setRAngleLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 3350095 | 2010-06-11 00:33:02 +0000 | [diff] [blame] | 3873 | for (unsigned I = 0, E = TL.getNumArgs(); I != E; ++I) |
| 3874 | TL.setArgLocInfo(I, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3875 | Reader.GetTemplateArgumentLocInfo(F, |
| 3876 | TL.getTypePtr()->getArg(I).getKind(), |
| 3877 | Record, Idx)); |
John McCall | 3350095 | 2010-06-11 00:33:02 +0000 | [diff] [blame] | 3878 | } |
Douglas Gregor | 7536dd5 | 2010-12-20 02:24:11 +0000 | [diff] [blame] | 3879 | void TypeLocReader::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) { |
| 3880 | TL.setEllipsisLoc(ReadSourceLocation(Record, Idx)); |
| 3881 | } |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3882 | void TypeLocReader::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3883 | TL.setNameLoc(ReadSourceLocation(Record, Idx)); |
John McCall | c12c5bb | 2010-05-15 11:32:37 +0000 | [diff] [blame] | 3884 | } |
| 3885 | void TypeLocReader::VisitObjCObjectTypeLoc(ObjCObjectTypeLoc TL) { |
| 3886 | TL.setHasBaseTypeAsWritten(Record[Idx++]); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3887 | TL.setLAngleLoc(ReadSourceLocation(Record, Idx)); |
| 3888 | TL.setRAngleLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 51bd803 | 2009-10-18 01:05:36 +0000 | [diff] [blame] | 3889 | for (unsigned i = 0, e = TL.getNumProtocols(); i != e; ++i) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3890 | TL.setProtocolLoc(i, ReadSourceLocation(Record, Idx)); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3891 | } |
John McCall | 54e14c4 | 2009-10-22 22:37:11 +0000 | [diff] [blame] | 3892 | void TypeLocReader::VisitObjCObjectPointerTypeLoc(ObjCObjectPointerTypeLoc TL) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3893 | TL.setStarLoc(ReadSourceLocation(Record, Idx)); |
John McCall | 54e14c4 | 2009-10-22 22:37:11 +0000 | [diff] [blame] | 3894 | } |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3895 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 3896 | TypeSourceInfo *ASTReader::GetTypeSourceInfo(Module &F, |
Sebastian Redl | 577d479 | 2010-07-22 22:43:28 +0000 | [diff] [blame] | 3897 | const RecordData &Record, |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3898 | unsigned &Idx) { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3899 | QualType InfoTy = readType(F, Record, Idx); |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3900 | if (InfoTy.isNull()) |
| 3901 | return 0; |
| 3902 | |
John McCall | a93c934 | 2009-12-07 02:54:59 +0000 | [diff] [blame] | 3903 | TypeSourceInfo *TInfo = getContext()->CreateTypeSourceInfo(InfoTy); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 3904 | TypeLocReader TLR(*this, F, Record, Idx); |
John McCall | a93c934 | 2009-12-07 02:54:59 +0000 | [diff] [blame] | 3905 | for (TypeLoc TL = TInfo->getTypeLoc(); !TL.isNull(); TL = TL.getNextTypeLoc()) |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3906 | TLR.Visit(TL); |
John McCall | a93c934 | 2009-12-07 02:54:59 +0000 | [diff] [blame] | 3907 | return TInfo; |
John McCall | a1ee0c5 | 2009-10-16 21:56:05 +0000 | [diff] [blame] | 3908 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3909 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3910 | QualType ASTReader::GetType(TypeID ID) { |
John McCall | 0953e76 | 2009-09-24 19:53:00 +0000 | [diff] [blame] | 3911 | unsigned FastQuals = ID & Qualifiers::FastMask; |
| 3912 | unsigned Index = ID >> Qualifiers::FastWidth; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3913 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3914 | if (Index < NUM_PREDEF_TYPE_IDS) { |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3915 | QualType T; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3916 | switch ((PredefinedTypeIDs)Index) { |
| 3917 | case PREDEF_TYPE_NULL_ID: return QualType(); |
| 3918 | case PREDEF_TYPE_VOID_ID: T = Context->VoidTy; break; |
| 3919 | case PREDEF_TYPE_BOOL_ID: T = Context->BoolTy; break; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3920 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3921 | case PREDEF_TYPE_CHAR_U_ID: |
| 3922 | case PREDEF_TYPE_CHAR_S_ID: |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3923 | // FIXME: Check that the signedness of CharTy is correct! |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 3924 | T = Context->CharTy; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3925 | break; |
| 3926 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3927 | case PREDEF_TYPE_UCHAR_ID: T = Context->UnsignedCharTy; break; |
| 3928 | case PREDEF_TYPE_USHORT_ID: T = Context->UnsignedShortTy; break; |
| 3929 | case PREDEF_TYPE_UINT_ID: T = Context->UnsignedIntTy; break; |
| 3930 | case PREDEF_TYPE_ULONG_ID: T = Context->UnsignedLongTy; break; |
| 3931 | case PREDEF_TYPE_ULONGLONG_ID: T = Context->UnsignedLongLongTy; break; |
| 3932 | case PREDEF_TYPE_UINT128_ID: T = Context->UnsignedInt128Ty; break; |
| 3933 | case PREDEF_TYPE_SCHAR_ID: T = Context->SignedCharTy; break; |
| 3934 | case PREDEF_TYPE_WCHAR_ID: T = Context->WCharTy; break; |
| 3935 | case PREDEF_TYPE_SHORT_ID: T = Context->ShortTy; break; |
| 3936 | case PREDEF_TYPE_INT_ID: T = Context->IntTy; break; |
| 3937 | case PREDEF_TYPE_LONG_ID: T = Context->LongTy; break; |
| 3938 | case PREDEF_TYPE_LONGLONG_ID: T = Context->LongLongTy; break; |
| 3939 | case PREDEF_TYPE_INT128_ID: T = Context->Int128Ty; break; |
| 3940 | case PREDEF_TYPE_FLOAT_ID: T = Context->FloatTy; break; |
| 3941 | case PREDEF_TYPE_DOUBLE_ID: T = Context->DoubleTy; break; |
| 3942 | case PREDEF_TYPE_LONGDOUBLE_ID: T = Context->LongDoubleTy; break; |
| 3943 | case PREDEF_TYPE_OVERLOAD_ID: T = Context->OverloadTy; break; |
John McCall | 864c041 | 2011-04-26 20:42:42 +0000 | [diff] [blame] | 3944 | case PREDEF_TYPE_BOUND_MEMBER: T = Context->BoundMemberTy; break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3945 | case PREDEF_TYPE_DEPENDENT_ID: T = Context->DependentTy; break; |
John McCall | 1de4d4e | 2011-04-07 08:22:57 +0000 | [diff] [blame] | 3946 | case PREDEF_TYPE_UNKNOWN_ANY: T = Context->UnknownAnyTy; break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3947 | case PREDEF_TYPE_NULLPTR_ID: T = Context->NullPtrTy; break; |
| 3948 | case PREDEF_TYPE_CHAR16_ID: T = Context->Char16Ty; break; |
| 3949 | case PREDEF_TYPE_CHAR32_ID: T = Context->Char32Ty; break; |
| 3950 | case PREDEF_TYPE_OBJC_ID: T = Context->ObjCBuiltinIdTy; break; |
| 3951 | case PREDEF_TYPE_OBJC_CLASS: T = Context->ObjCBuiltinClassTy; break; |
| 3952 | case PREDEF_TYPE_OBJC_SEL: T = Context->ObjCBuiltinSelTy; break; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3953 | } |
| 3954 | |
| 3955 | assert(!T.isNull() && "Unknown predefined type"); |
John McCall | 0953e76 | 2009-09-24 19:53:00 +0000 | [diff] [blame] | 3956 | return T.withFastQualifiers(FastQuals); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3957 | } |
| 3958 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3959 | Index -= NUM_PREDEF_TYPE_IDS; |
Sebastian Redl | aaec0aa | 2010-07-20 22:37:49 +0000 | [diff] [blame] | 3960 | assert(Index < TypesLoaded.size() && "Type index out-of-range"); |
Sebastian Redl | 07a353c | 2010-07-14 20:26:45 +0000 | [diff] [blame] | 3961 | if (TypesLoaded[Index].isNull()) { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3962 | TypesLoaded[Index] = readTypeRecord(Index); |
Douglas Gregor | 9747583 | 2010-10-05 18:37:06 +0000 | [diff] [blame] | 3963 | if (TypesLoaded[Index].isNull()) |
| 3964 | return QualType(); |
| 3965 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 3966 | TypesLoaded[Index]->setFromAST(); |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 3967 | TypeIdxs[TypesLoaded[Index]] = TypeIdx::fromTypeID(ID); |
Sebastian Redl | 30c514c | 2010-07-14 23:45:08 +0000 | [diff] [blame] | 3968 | if (DeserializationListener) |
Argyrios Kyrtzidis | c8e5d51 | 2010-08-20 16:03:59 +0000 | [diff] [blame] | 3969 | DeserializationListener->TypeRead(TypeIdx::fromTypeID(ID), |
Sebastian Redl | 1476ed4 | 2010-07-16 16:36:56 +0000 | [diff] [blame] | 3970 | TypesLoaded[Index]); |
Sebastian Redl | 07a353c | 2010-07-14 20:26:45 +0000 | [diff] [blame] | 3971 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3972 | |
John McCall | 0953e76 | 2009-09-24 19:53:00 +0000 | [diff] [blame] | 3973 | return TypesLoaded[Index].withFastQualifiers(FastQuals); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 3974 | } |
| 3975 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 3976 | QualType ASTReader::getLocalType(Module &F, unsigned LocalID) { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3977 | return GetType(getGlobalTypeID(F, LocalID)); |
| 3978 | } |
| 3979 | |
| 3980 | serialization::TypeID |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 3981 | ASTReader::getGlobalTypeID(Module &F, unsigned LocalID) const { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 3982 | // FIXME: Map from local type ID to global type ID. |
| 3983 | return LocalID; |
| 3984 | } |
| 3985 | |
Argyrios Kyrtzidis | 5d26768 | 2010-08-20 16:04:27 +0000 | [diff] [blame] | 3986 | TypeID ASTReader::GetTypeID(QualType T) const { |
| 3987 | return MakeTypeID(T, |
| 3988 | std::bind1st(std::mem_fun(&ASTReader::GetTypeIdx), this)); |
| 3989 | } |
| 3990 | |
| 3991 | TypeIdx ASTReader::GetTypeIdx(QualType T) const { |
| 3992 | if (T.isNull()) |
| 3993 | return TypeIdx(); |
| 3994 | assert(!T.getLocalFastQualifiers()); |
| 3995 | |
| 3996 | TypeIdxMap::const_iterator I = TypeIdxs.find(T); |
| 3997 | // GetTypeIdx is mostly used for computing the hash of DeclarationNames and |
| 3998 | // comparing keys of ASTDeclContextNameLookupTable. |
| 3999 | // If the type didn't come from the AST file use a specially marked index |
| 4000 | // so that any hash/key comparison fail since no such index is stored |
| 4001 | // in a AST file. |
| 4002 | if (I == TypeIdxs.end()) |
| 4003 | return TypeIdx(-1); |
| 4004 | return I->second; |
| 4005 | } |
| 4006 | |
John McCall | 833ca99 | 2009-10-29 08:12:44 +0000 | [diff] [blame] | 4007 | TemplateArgumentLocInfo |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4008 | ASTReader::GetTemplateArgumentLocInfo(Module &F, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 4009 | TemplateArgument::ArgKind Kind, |
John McCall | 833ca99 | 2009-10-29 08:12:44 +0000 | [diff] [blame] | 4010 | const RecordData &Record, |
Argyrios Kyrtzidis | 919e693 | 2010-06-28 22:28:35 +0000 | [diff] [blame] | 4011 | unsigned &Index) { |
John McCall | 833ca99 | 2009-10-29 08:12:44 +0000 | [diff] [blame] | 4012 | switch (Kind) { |
| 4013 | case TemplateArgument::Expression: |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 4014 | return ReadExpr(F); |
John McCall | 833ca99 | 2009-10-29 08:12:44 +0000 | [diff] [blame] | 4015 | case TemplateArgument::Type: |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 4016 | return GetTypeSourceInfo(F, Record, Index); |
Douglas Gregor | 788cd06 | 2009-11-11 01:00:40 +0000 | [diff] [blame] | 4017 | case TemplateArgument::Template: { |
Douglas Gregor | b6744ef | 2011-03-02 17:09:35 +0000 | [diff] [blame] | 4018 | NestedNameSpecifierLoc QualifierLoc = ReadNestedNameSpecifierLoc(F, Record, |
| 4019 | Index); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 4020 | SourceLocation TemplateNameLoc = ReadSourceLocation(F, Record, Index); |
Douglas Gregor | b6744ef | 2011-03-02 17:09:35 +0000 | [diff] [blame] | 4021 | return TemplateArgumentLocInfo(QualifierLoc, TemplateNameLoc, |
Douglas Gregor | a7fc901 | 2011-01-05 18:58:31 +0000 | [diff] [blame] | 4022 | SourceLocation()); |
| 4023 | } |
| 4024 | case TemplateArgument::TemplateExpansion: { |
Douglas Gregor | b6744ef | 2011-03-02 17:09:35 +0000 | [diff] [blame] | 4025 | NestedNameSpecifierLoc QualifierLoc = ReadNestedNameSpecifierLoc(F, Record, |
| 4026 | Index); |
Douglas Gregor | a7fc901 | 2011-01-05 18:58:31 +0000 | [diff] [blame] | 4027 | SourceLocation TemplateNameLoc = ReadSourceLocation(F, Record, Index); |
Douglas Gregor | ba68eca | 2011-01-05 17:40:24 +0000 | [diff] [blame] | 4028 | SourceLocation EllipsisLoc = ReadSourceLocation(F, Record, Index); |
Douglas Gregor | b6744ef | 2011-03-02 17:09:35 +0000 | [diff] [blame] | 4029 | return TemplateArgumentLocInfo(QualifierLoc, TemplateNameLoc, |
Douglas Gregor | ba68eca | 2011-01-05 17:40:24 +0000 | [diff] [blame] | 4030 | EllipsisLoc); |
Douglas Gregor | 788cd06 | 2009-11-11 01:00:40 +0000 | [diff] [blame] | 4031 | } |
John McCall | 833ca99 | 2009-10-29 08:12:44 +0000 | [diff] [blame] | 4032 | case TemplateArgument::Null: |
| 4033 | case TemplateArgument::Integral: |
| 4034 | case TemplateArgument::Declaration: |
| 4035 | case TemplateArgument::Pack: |
| 4036 | return TemplateArgumentLocInfo(); |
| 4037 | } |
Jeffrey Yasskin | 9f61aa9 | 2009-12-12 05:05:38 +0000 | [diff] [blame] | 4038 | llvm_unreachable("unexpected template argument loc"); |
John McCall | 833ca99 | 2009-10-29 08:12:44 +0000 | [diff] [blame] | 4039 | return TemplateArgumentLocInfo(); |
| 4040 | } |
| 4041 | |
Argyrios Kyrtzidis | 17cfded | 2010-06-28 09:31:42 +0000 | [diff] [blame] | 4042 | TemplateArgumentLoc |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4043 | ASTReader::ReadTemplateArgumentLoc(Module &F, |
Sebastian Redl | 577d479 | 2010-07-22 22:43:28 +0000 | [diff] [blame] | 4044 | const RecordData &Record, unsigned &Index) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 4045 | TemplateArgument Arg = ReadTemplateArgument(F, Record, Index); |
Argyrios Kyrtzidis | 17cfded | 2010-06-28 09:31:42 +0000 | [diff] [blame] | 4046 | |
| 4047 | if (Arg.getKind() == TemplateArgument::Expression) { |
| 4048 | if (Record[Index++]) // bool InfoHasSameExpr. |
| 4049 | return TemplateArgumentLoc(Arg, TemplateArgumentLocInfo(Arg.getAsExpr())); |
| 4050 | } |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 4051 | return TemplateArgumentLoc(Arg, GetTemplateArgumentLocInfo(F, Arg.getKind(), |
Argyrios Kyrtzidis | 919e693 | 2010-06-28 22:28:35 +0000 | [diff] [blame] | 4052 | Record, Index)); |
Argyrios Kyrtzidis | 44f8c37 | 2010-06-22 09:54:59 +0000 | [diff] [blame] | 4053 | } |
| 4054 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4055 | Decl *ASTReader::GetExternalDecl(uint32_t ID) { |
John McCall | 76bd1f3 | 2010-06-01 09:23:16 +0000 | [diff] [blame] | 4056 | return GetDecl(ID); |
| 4057 | } |
| 4058 | |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 4059 | uint64_t |
| 4060 | ASTReader::GetCXXBaseSpecifiersOffset(serialization::CXXBaseSpecifiersID ID) { |
| 4061 | if (ID == 0) |
| 4062 | return 0; |
Anders Carlsson | f25330b | 2011-03-09 05:09:32 +0000 | [diff] [blame] | 4063 | |
Jonathan D. Turner | 1da9014 | 2011-07-21 21:15:19 +0000 | [diff] [blame] | 4064 | GlobalCXXBaseSpecifiersMapType::iterator I = |
| 4065 | GlobalCXXBaseSpecifiersMap.find(ID); |
| 4066 | |
| 4067 | assert (I != GlobalCXXBaseSpecifiersMap.end() && |
| 4068 | "Corrupted global CXX base specifiers map"); |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 4069 | |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 4070 | Module *M = I->second; |
| 4071 | return M->CXXBaseSpecifiersOffsets[ID - 1 - M->BaseCXXBaseSpecifiersID] + |
| 4072 | M->GlobalBitOffset; |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 4073 | } |
| 4074 | |
| 4075 | CXXBaseSpecifier *ASTReader::GetExternalCXXBaseSpecifiers(uint64_t Offset) { |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 4076 | RecordLocation Loc = getLocalBitOffset(Offset); |
| 4077 | llvm::BitstreamCursor &Cursor = Loc.F->DeclsCursor; |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 4078 | SavedStreamPosition SavedPosition(Cursor); |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 4079 | Cursor.JumpToBit(Loc.Offset); |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 4080 | ReadingKindTracker ReadingKind(Read_Decl, *this); |
| 4081 | RecordData Record; |
| 4082 | unsigned Code = Cursor.ReadCode(); |
| 4083 | unsigned RecCode = Cursor.ReadRecord(Code, Record); |
| 4084 | if (RecCode != DECL_CXX_BASE_SPECIFIERS) { |
| 4085 | Error("Malformed AST file: missing C++ base specifiers"); |
| 4086 | return 0; |
| 4087 | } |
| 4088 | |
| 4089 | unsigned Idx = 0; |
| 4090 | unsigned NumBases = Record[Idx++]; |
| 4091 | void *Mem = Context->Allocate(sizeof(CXXBaseSpecifier) * NumBases); |
| 4092 | CXXBaseSpecifier *Bases = new (Mem) CXXBaseSpecifier [NumBases]; |
| 4093 | for (unsigned I = 0; I != NumBases; ++I) |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 4094 | Bases[I] = ReadCXXBaseSpecifier(*Loc.F, Record, Idx); |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 4095 | return Bases; |
| 4096 | } |
| 4097 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4098 | TranslationUnitDecl *ASTReader::GetTranslationUnitDecl() { |
Sebastian Redl | 30c514c | 2010-07-14 23:45:08 +0000 | [diff] [blame] | 4099 | if (!DeclsLoaded[0]) { |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 4100 | ReadDeclRecord(0, 1); |
Sebastian Redl | 30c514c | 2010-07-14 23:45:08 +0000 | [diff] [blame] | 4101 | if (DeserializationListener) |
Sebastian Redl | 1476ed4 | 2010-07-16 16:36:56 +0000 | [diff] [blame] | 4102 | DeserializationListener->DeclRead(1, DeclsLoaded[0]); |
Sebastian Redl | 30c514c | 2010-07-14 23:45:08 +0000 | [diff] [blame] | 4103 | } |
Argyrios Kyrtzidis | 8871a44 | 2010-07-08 17:13:02 +0000 | [diff] [blame] | 4104 | |
| 4105 | return cast<TranslationUnitDecl>(DeclsLoaded[0]); |
| 4106 | } |
| 4107 | |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4108 | serialization::DeclID |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4109 | ASTReader::getGlobalDeclID(Module &F, unsigned LocalID) const { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4110 | // FIXME: Perform local -> global remapping for declarations. |
| 4111 | return LocalID; |
| 4112 | } |
| 4113 | |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 4114 | Decl *ASTReader::GetDecl(DeclID ID) { |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4115 | if (ID == 0) |
| 4116 | return 0; |
| 4117 | |
Douglas Gregor | 8f5dc7f | 2009-04-25 18:35:21 +0000 | [diff] [blame] | 4118 | if (ID > DeclsLoaded.size()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4119 | Error("declaration ID out-of-range for AST file"); |
Douglas Gregor | 8f5dc7f | 2009-04-25 18:35:21 +0000 | [diff] [blame] | 4120 | return 0; |
| 4121 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4122 | |
Douglas Gregor | 8f5dc7f | 2009-04-25 18:35:21 +0000 | [diff] [blame] | 4123 | unsigned Index = ID - 1; |
Sebastian Redl | 30c514c | 2010-07-14 23:45:08 +0000 | [diff] [blame] | 4124 | if (!DeclsLoaded[Index]) { |
Argyrios Kyrtzidis | a865005 | 2010-08-03 17:30:10 +0000 | [diff] [blame] | 4125 | ReadDeclRecord(Index, ID); |
Sebastian Redl | 30c514c | 2010-07-14 23:45:08 +0000 | [diff] [blame] | 4126 | if (DeserializationListener) |
| 4127 | DeserializationListener->DeclRead(ID, DeclsLoaded[Index]); |
| 4128 | } |
Douglas Gregor | 8f5dc7f | 2009-04-25 18:35:21 +0000 | [diff] [blame] | 4129 | |
| 4130 | return DeclsLoaded[Index]; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4131 | } |
| 4132 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4133 | serialization::DeclID ASTReader::ReadDeclID(Module &F, |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4134 | const RecordData &Record, |
| 4135 | unsigned &Idx) { |
| 4136 | if (Idx >= Record.size()) { |
| 4137 | Error("Corrupted AST file"); |
| 4138 | return 0; |
| 4139 | } |
| 4140 | |
| 4141 | return getGlobalDeclID(F, Record[Idx++]); |
| 4142 | } |
| 4143 | |
Chris Lattner | 887e2b3 | 2009-04-27 05:46:25 +0000 | [diff] [blame] | 4144 | /// \brief Resolve the offset of a statement into a statement. |
| 4145 | /// |
| 4146 | /// This operation will read a new statement from the external |
| 4147 | /// source each time it is called, and is meant to be used via a |
| 4148 | /// LazyOffsetPtr (which is used by Decls for the body of functions, etc). |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4149 | Stmt *ASTReader::GetExternalDeclStmt(uint64_t Offset) { |
Argyrios Kyrtzidis | e09a275 | 2010-10-28 09:29:32 +0000 | [diff] [blame] | 4150 | // Switch case IDs are per Decl. |
| 4151 | ClearSwitchCaseIDs(); |
| 4152 | |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4153 | // Offset here is a global offset across the entire chain. |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 4154 | RecordLocation Loc = getLocalBitOffset(Offset); |
| 4155 | Loc.F->DeclsCursor.JumpToBit(Loc.Offset); |
| 4156 | return ReadStmtFromStream(*Loc.F); |
Douglas Gregor | 250fc9c | 2009-04-18 00:07:54 +0000 | [diff] [blame] | 4157 | } |
| 4158 | |
Douglas Gregor | ba6ffaf | 2011-07-15 21:46:17 +0000 | [diff] [blame] | 4159 | ExternalLoadResult ASTReader::FindExternalLexicalDecls(const DeclContext *DC, |
Argyrios Kyrtzidis | eb5e998 | 2010-10-14 20:14:34 +0000 | [diff] [blame] | 4160 | bool (*isKindWeWant)(Decl::Kind), |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4161 | SmallVectorImpl<Decl*> &Decls) { |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4162 | // There might be lexical decls in multiple parts of the chain, for the TU |
| 4163 | // at least. |
Sebastian Redl | 4a9eb26 | 2010-09-28 02:24:44 +0000 | [diff] [blame] | 4164 | // DeclContextOffsets might reallocate as we load additional decls below, |
| 4165 | // so make a copy of the vector. |
| 4166 | DeclContextInfos Infos = DeclContextOffsets[DC]; |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4167 | for (DeclContextInfos::iterator I = Infos.begin(), E = Infos.end(); |
| 4168 | I != E; ++I) { |
Sebastian Redl | 681d723 | 2010-07-27 00:17:23 +0000 | [diff] [blame] | 4169 | // IDs can be 0 if this context doesn't contain declarations. |
| 4170 | if (!I->LexicalDecls) |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4171 | continue; |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4172 | |
| 4173 | // Load all of the declaration IDs |
Argyrios Kyrtzidis | eb5e998 | 2010-10-14 20:14:34 +0000 | [diff] [blame] | 4174 | for (const KindDeclIDPair *ID = I->LexicalDecls, |
| 4175 | *IDE = ID + I->NumLexicalDecls; ID != IDE; ++ID) { |
| 4176 | if (isKindWeWant && !isKindWeWant((Decl::Kind)ID->first)) |
| 4177 | continue; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4178 | |
Douglas Gregor | f5bb9ae | 2011-07-21 23:29:11 +0000 | [diff] [blame] | 4179 | Decl *D = GetLocalDecl(*I->F, ID->second); |
Sebastian Redl | 4a9eb26 | 2010-09-28 02:24:44 +0000 | [diff] [blame] | 4180 | assert(D && "Null decl in lexical decls"); |
| 4181 | Decls.push_back(D); |
| 4182 | } |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 4183 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4184 | |
Douglas Gregor | 2512308 | 2009-04-22 22:34:57 +0000 | [diff] [blame] | 4185 | ++NumLexicalDeclContextsRead; |
Douglas Gregor | ba6ffaf | 2011-07-15 21:46:17 +0000 | [diff] [blame] | 4186 | return ELR_Success; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4187 | } |
| 4188 | |
John McCall | 76bd1f3 | 2010-06-01 09:23:16 +0000 | [diff] [blame] | 4189 | DeclContext::lookup_result |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4190 | ASTReader::FindExternalVisibleDeclsByName(const DeclContext *DC, |
John McCall | 76bd1f3 | 2010-06-01 09:23:16 +0000 | [diff] [blame] | 4191 | DeclarationName Name) { |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4192 | assert(DC->hasExternalVisibleStorage() && |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4193 | "DeclContext has no visible decls in storage"); |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 4194 | if (!Name) |
| 4195 | return DeclContext::lookup_result(DeclContext::lookup_iterator(0), |
| 4196 | DeclContext::lookup_iterator(0)); |
Ted Kremenek | d5d7b3f | 2010-03-18 00:56:54 +0000 | [diff] [blame] | 4197 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4198 | SmallVector<NamedDecl *, 64> Decls; |
Sebastian Redl | 8b12273 | 2010-08-24 00:49:55 +0000 | [diff] [blame] | 4199 | // There might be visible decls in multiple parts of the chain, for the TU |
Sebastian Redl | 5967d62 | 2010-08-24 00:50:16 +0000 | [diff] [blame] | 4200 | // and namespaces. For any given name, the last available results replace |
| 4201 | // all earlier ones. For this reason, we walk in reverse. |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4202 | DeclContextInfos &Infos = DeclContextOffsets[DC]; |
Sebastian Redl | 5967d62 | 2010-08-24 00:50:16 +0000 | [diff] [blame] | 4203 | for (DeclContextInfos::reverse_iterator I = Infos.rbegin(), E = Infos.rend(); |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4204 | I != E; ++I) { |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 4205 | if (!I->NameLookupTableData) |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4206 | continue; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4207 | |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 4208 | ASTDeclContextNameLookupTable *LookupTable = |
| 4209 | (ASTDeclContextNameLookupTable*)I->NameLookupTableData; |
| 4210 | ASTDeclContextNameLookupTable::iterator Pos = LookupTable->find(Name); |
| 4211 | if (Pos == LookupTable->end()) |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4212 | continue; |
| 4213 | |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 4214 | ASTDeclContextNameLookupTrait::data_type Data = *Pos; |
| 4215 | for (; Data.first != Data.second; ++Data.first) |
Douglas Gregor | f5bb9ae | 2011-07-21 23:29:11 +0000 | [diff] [blame] | 4216 | Decls.push_back(GetLocalDeclAs<NamedDecl>(*I->F, *Data.first)); |
Sebastian Redl | 5967d62 | 2010-08-24 00:50:16 +0000 | [diff] [blame] | 4217 | break; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4218 | } |
| 4219 | |
Douglas Gregor | 2512308 | 2009-04-22 22:34:57 +0000 | [diff] [blame] | 4220 | ++NumVisibleDeclContextsRead; |
John McCall | 76bd1f3 | 2010-06-01 09:23:16 +0000 | [diff] [blame] | 4221 | |
Argyrios Kyrtzidis | 074dcc8 | 2010-08-20 16:04:35 +0000 | [diff] [blame] | 4222 | SetExternalVisibleDeclsForName(DC, Name, Decls); |
John McCall | 76bd1f3 | 2010-06-01 09:23:16 +0000 | [diff] [blame] | 4223 | return const_cast<DeclContext*>(DC)->lookup(Name); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4224 | } |
| 4225 | |
Argyrios Kyrtzidis | a60786b | 2010-08-20 23:35:55 +0000 | [diff] [blame] | 4226 | void ASTReader::MaterializeVisibleDecls(const DeclContext *DC) { |
| 4227 | assert(DC->hasExternalVisibleStorage() && |
| 4228 | "DeclContext has no visible decls in storage"); |
| 4229 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4230 | SmallVector<NamedDecl *, 64> Decls; |
Argyrios Kyrtzidis | a60786b | 2010-08-20 23:35:55 +0000 | [diff] [blame] | 4231 | // There might be visible decls in multiple parts of the chain, for the TU |
| 4232 | // and namespaces. |
| 4233 | DeclContextInfos &Infos = DeclContextOffsets[DC]; |
| 4234 | for (DeclContextInfos::iterator I = Infos.begin(), E = Infos.end(); |
| 4235 | I != E; ++I) { |
| 4236 | if (!I->NameLookupTableData) |
| 4237 | continue; |
| 4238 | |
| 4239 | ASTDeclContextNameLookupTable *LookupTable = |
| 4240 | (ASTDeclContextNameLookupTable*)I->NameLookupTableData; |
| 4241 | for (ASTDeclContextNameLookupTable::item_iterator |
| 4242 | ItemI = LookupTable->item_begin(), |
| 4243 | ItemEnd = LookupTable->item_end() ; ItemI != ItemEnd; ++ItemI) { |
| 4244 | ASTDeclContextNameLookupTable::item_iterator::value_type Val |
| 4245 | = *ItemI; |
| 4246 | ASTDeclContextNameLookupTrait::data_type Data = Val.second; |
| 4247 | Decls.clear(); |
| 4248 | for (; Data.first != Data.second; ++Data.first) |
Douglas Gregor | f5bb9ae | 2011-07-21 23:29:11 +0000 | [diff] [blame] | 4249 | Decls.push_back(GetLocalDeclAs<NamedDecl>(*I->F, *Data.first)); |
Argyrios Kyrtzidis | a60786b | 2010-08-20 23:35:55 +0000 | [diff] [blame] | 4250 | MaterializeVisibleDeclsForName(DC, Val.first, Decls); |
| 4251 | } |
| 4252 | } |
| 4253 | } |
| 4254 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4255 | void ASTReader::PassInterestingDeclsToConsumer() { |
Argyrios Kyrtzidis | bb80a8e | 2010-07-07 15:46:26 +0000 | [diff] [blame] | 4256 | assert(Consumer); |
| 4257 | while (!InterestingDecls.empty()) { |
| 4258 | DeclGroupRef DG(InterestingDecls.front()); |
| 4259 | InterestingDecls.pop_front(); |
Sebastian Redl | 27372b4 | 2010-08-11 18:52:41 +0000 | [diff] [blame] | 4260 | Consumer->HandleInterestingDecl(DG); |
Argyrios Kyrtzidis | bb80a8e | 2010-07-07 15:46:26 +0000 | [diff] [blame] | 4261 | } |
| 4262 | } |
| 4263 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4264 | void ASTReader::StartTranslationUnit(ASTConsumer *Consumer) { |
Douglas Gregor | 0af2ca4 | 2009-04-22 19:09:20 +0000 | [diff] [blame] | 4265 | this->Consumer = Consumer; |
| 4266 | |
Douglas Gregor | fdd0172 | 2009-04-14 00:24:19 +0000 | [diff] [blame] | 4267 | if (!Consumer) |
| 4268 | return; |
| 4269 | |
| 4270 | for (unsigned I = 0, N = ExternalDefinitions.size(); I != N; ++I) { |
Argyrios Kyrtzidis | bb80a8e | 2010-07-07 15:46:26 +0000 | [diff] [blame] | 4271 | // Force deserialization of this decl, which will cause it to be queued for |
| 4272 | // passing to the consumer. |
Daniel Dunbar | 04a0b50 | 2009-09-17 03:06:44 +0000 | [diff] [blame] | 4273 | GetDecl(ExternalDefinitions[I]); |
Douglas Gregor | fdd0172 | 2009-04-14 00:24:19 +0000 | [diff] [blame] | 4274 | } |
Douglas Gregor | c62a2fe | 2009-04-25 00:41:30 +0000 | [diff] [blame] | 4275 | |
Argyrios Kyrtzidis | bb80a8e | 2010-07-07 15:46:26 +0000 | [diff] [blame] | 4276 | PassInterestingDeclsToConsumer(); |
Douglas Gregor | fdd0172 | 2009-04-14 00:24:19 +0000 | [diff] [blame] | 4277 | } |
| 4278 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4279 | void ASTReader::PrintStats() { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4280 | std::fprintf(stderr, "*** AST File Statistics:\n"); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4281 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4282 | unsigned NumTypesLoaded |
Douglas Gregor | 2b3a5a8 | 2009-04-25 19:10:14 +0000 | [diff] [blame] | 4283 | = TypesLoaded.size() - std::count(TypesLoaded.begin(), TypesLoaded.end(), |
John McCall | 0953e76 | 2009-09-24 19:53:00 +0000 | [diff] [blame] | 4284 | QualType()); |
Douglas Gregor | 2b3a5a8 | 2009-04-25 19:10:14 +0000 | [diff] [blame] | 4285 | unsigned NumDeclsLoaded |
| 4286 | = DeclsLoaded.size() - std::count(DeclsLoaded.begin(), DeclsLoaded.end(), |
| 4287 | (Decl *)0); |
| 4288 | unsigned NumIdentifiersLoaded |
| 4289 | = IdentifiersLoaded.size() - std::count(IdentifiersLoaded.begin(), |
| 4290 | IdentifiersLoaded.end(), |
| 4291 | (IdentifierInfo *)0); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4292 | unsigned NumSelectorsLoaded |
Douglas Gregor | 2b3a5a8 | 2009-04-25 19:10:14 +0000 | [diff] [blame] | 4293 | = SelectorsLoaded.size() - std::count(SelectorsLoaded.begin(), |
| 4294 | SelectorsLoaded.end(), |
| 4295 | Selector()); |
Douglas Gregor | 2d41cc1 | 2009-04-13 20:50:16 +0000 | [diff] [blame] | 4296 | |
Douglas Gregor | 4fed3f4 | 2009-04-27 18:38:38 +0000 | [diff] [blame] | 4297 | std::fprintf(stderr, " %u stat cache hits\n", NumStatHits); |
| 4298 | std::fprintf(stderr, " %u stat cache misses\n", NumStatMisses); |
Douglas Gregor | 0cdd798 | 2011-07-21 18:46:38 +0000 | [diff] [blame] | 4299 | if (unsigned TotalNumSLocEntries = getTotalNumSLocs()) |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 4300 | std::fprintf(stderr, " %u/%u source location entries read (%f%%)\n", |
| 4301 | NumSLocEntriesRead, TotalNumSLocEntries, |
| 4302 | ((float)NumSLocEntriesRead/TotalNumSLocEntries * 100)); |
Douglas Gregor | 8f5dc7f | 2009-04-25 18:35:21 +0000 | [diff] [blame] | 4303 | if (!TypesLoaded.empty()) |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4304 | std::fprintf(stderr, " %u/%u types read (%f%%)\n", |
Douglas Gregor | 8f5dc7f | 2009-04-25 18:35:21 +0000 | [diff] [blame] | 4305 | NumTypesLoaded, (unsigned)TypesLoaded.size(), |
| 4306 | ((float)NumTypesLoaded/TypesLoaded.size() * 100)); |
| 4307 | if (!DeclsLoaded.empty()) |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4308 | std::fprintf(stderr, " %u/%u declarations read (%f%%)\n", |
Douglas Gregor | 8f5dc7f | 2009-04-25 18:35:21 +0000 | [diff] [blame] | 4309 | NumDeclsLoaded, (unsigned)DeclsLoaded.size(), |
| 4310 | ((float)NumDeclsLoaded/DeclsLoaded.size() * 100)); |
Douglas Gregor | 2b3a5a8 | 2009-04-25 19:10:14 +0000 | [diff] [blame] | 4311 | if (!IdentifiersLoaded.empty()) |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4312 | std::fprintf(stderr, " %u/%u identifiers read (%f%%)\n", |
Douglas Gregor | 2b3a5a8 | 2009-04-25 19:10:14 +0000 | [diff] [blame] | 4313 | NumIdentifiersLoaded, (unsigned)IdentifiersLoaded.size(), |
| 4314 | ((float)NumIdentifiersLoaded/IdentifiersLoaded.size() * 100)); |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4315 | if (!SelectorsLoaded.empty()) |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4316 | std::fprintf(stderr, " %u/%u selectors read (%f%%)\n", |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4317 | NumSelectorsLoaded, (unsigned)SelectorsLoaded.size(), |
| 4318 | ((float)NumSelectorsLoaded/SelectorsLoaded.size() * 100)); |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4319 | if (TotalNumStatements) |
| 4320 | std::fprintf(stderr, " %u/%u statements read (%f%%)\n", |
| 4321 | NumStatementsRead, TotalNumStatements, |
| 4322 | ((float)NumStatementsRead/TotalNumStatements * 100)); |
| 4323 | if (TotalNumMacros) |
| 4324 | std::fprintf(stderr, " %u/%u macros read (%f%%)\n", |
| 4325 | NumMacrosRead, TotalNumMacros, |
| 4326 | ((float)NumMacrosRead/TotalNumMacros * 100)); |
| 4327 | if (TotalLexicalDeclContexts) |
| 4328 | std::fprintf(stderr, " %u/%u lexical declcontexts read (%f%%)\n", |
| 4329 | NumLexicalDeclContextsRead, TotalLexicalDeclContexts, |
| 4330 | ((float)NumLexicalDeclContextsRead/TotalLexicalDeclContexts |
| 4331 | * 100)); |
| 4332 | if (TotalVisibleDeclContexts) |
| 4333 | std::fprintf(stderr, " %u/%u visible declcontexts read (%f%%)\n", |
| 4334 | NumVisibleDeclContextsRead, TotalVisibleDeclContexts, |
| 4335 | ((float)NumVisibleDeclContextsRead/TotalVisibleDeclContexts |
| 4336 | * 100)); |
Sebastian Redl | fa78dec | 2010-08-04 21:22:45 +0000 | [diff] [blame] | 4337 | if (TotalNumMethodPoolEntries) { |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4338 | std::fprintf(stderr, " %u/%u method pool entries read (%f%%)\n", |
Sebastian Redl | fa78dec | 2010-08-04 21:22:45 +0000 | [diff] [blame] | 4339 | NumMethodPoolEntriesRead, TotalNumMethodPoolEntries, |
| 4340 | ((float)NumMethodPoolEntriesRead/TotalNumMethodPoolEntries |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4341 | * 100)); |
Sebastian Redl | fa78dec | 2010-08-04 21:22:45 +0000 | [diff] [blame] | 4342 | std::fprintf(stderr, " %u method pool misses\n", NumMethodPoolMisses); |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4343 | } |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4344 | std::fprintf(stderr, "\n"); |
Douglas Gregor | 23d7df5 | 2011-07-21 19:50:14 +0000 | [diff] [blame] | 4345 | dump(); |
| 4346 | std::fprintf(stderr, "\n"); |
| 4347 | } |
| 4348 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4349 | template<typename Key, typename Module, unsigned InitialCapacity> |
Douglas Gregor | 23d7df5 | 2011-07-21 19:50:14 +0000 | [diff] [blame] | 4350 | static void |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4351 | dumpModuleIDMap(StringRef Name, |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4352 | const ContinuousRangeMap<Key, Module *, |
Douglas Gregor | 23d7df5 | 2011-07-21 19:50:14 +0000 | [diff] [blame] | 4353 | InitialCapacity> &Map) { |
| 4354 | if (Map.begin() == Map.end()) |
| 4355 | return; |
| 4356 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4357 | typedef ContinuousRangeMap<Key, Module *, InitialCapacity> MapType; |
Douglas Gregor | 23d7df5 | 2011-07-21 19:50:14 +0000 | [diff] [blame] | 4358 | llvm::errs() << Name << ":\n"; |
| 4359 | for (typename MapType::const_iterator I = Map.begin(), IEnd = Map.end(); |
| 4360 | I != IEnd; ++I) { |
| 4361 | llvm::errs() << " " << I->first << " -> " << I->second->FileName |
| 4362 | << "\n"; |
| 4363 | } |
| 4364 | } |
| 4365 | |
Douglas Gregor | 23d7df5 | 2011-07-21 19:50:14 +0000 | [diff] [blame] | 4366 | void ASTReader::dump() { |
| 4367 | llvm::errs() << "*** AST File Remapping:\n"; |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 4368 | dumpModuleIDMap("Global bit offset map", GlobalBitOffsetsMap); |
Douglas Gregor | 23d7df5 | 2011-07-21 19:50:14 +0000 | [diff] [blame] | 4369 | dumpModuleIDMap("Global source location entry map", GlobalSLocEntryMap); |
Douglas Gregor | 1e849b6 | 2011-07-29 00:21:44 +0000 | [diff] [blame] | 4370 | dumpModuleIDMap("Global type map", GlobalTypeMap); |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 4371 | dumpModuleIDMap("Global declaration map", GlobalDeclMap); |
| 4372 | dumpModuleIDMap("Global C++ base specifiers map", GlobalCXXBaseSpecifiersMap); |
| 4373 | dumpModuleIDMap("Global identifier map", GlobalIdentifierMap); |
| 4374 | dumpModuleIDMap("Global selector map", GlobalSelectorMap); |
| 4375 | dumpModuleIDMap("Global macro definition map", GlobalMacroDefinitionMap); |
| 4376 | dumpModuleIDMap("Global preprocessed entity map", |
| 4377 | GlobalPreprocessedEntityMap); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4378 | } |
| 4379 | |
Ted Kremenek | e9b5f3d | 2011-04-28 23:46:20 +0000 | [diff] [blame] | 4380 | /// Return the amount of memory used by memory buffers, breaking down |
| 4381 | /// by heap-backed versus mmap'ed memory. |
| 4382 | void ASTReader::getMemoryBufferSizes(MemoryBufferSizes &sizes) const { |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 4383 | for (ModuleConstIterator I = ModuleMgr.begin(), |
| 4384 | E = ModuleMgr.end(); I != E; ++I) { |
| 4385 | if (llvm::MemoryBuffer *buf = (*I)->Buffer.get()) { |
Ted Kremenek | e9b5f3d | 2011-04-28 23:46:20 +0000 | [diff] [blame] | 4386 | size_t bytes = buf->getBufferSize(); |
| 4387 | switch (buf->getBufferKind()) { |
| 4388 | case llvm::MemoryBuffer::MemoryBuffer_Malloc: |
| 4389 | sizes.malloc_bytes += bytes; |
| 4390 | break; |
| 4391 | case llvm::MemoryBuffer::MemoryBuffer_MMap: |
| 4392 | sizes.mmap_bytes += bytes; |
| 4393 | break; |
| 4394 | } |
| 4395 | } |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 4396 | } |
Ted Kremenek | e9b5f3d | 2011-04-28 23:46:20 +0000 | [diff] [blame] | 4397 | } |
| 4398 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4399 | void ASTReader::InitializeSema(Sema &S) { |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 4400 | SemaObj = &S; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 4401 | S.ExternalSource = this; |
| 4402 | |
Douglas Gregor | 6cfc1a8 | 2009-04-22 21:15:06 +0000 | [diff] [blame] | 4403 | // Makes sure any declarations that were deserialized "too early" |
| 4404 | // still get added to the identifier's declaration chains. |
Douglas Gregor | 76dc889 | 2010-09-24 23:29:12 +0000 | [diff] [blame] | 4405 | for (unsigned I = 0, N = PreloadedDecls.size(); I != N; ++I) { |
| 4406 | if (SemaObj->TUScope) |
John McCall | d226f65 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 4407 | SemaObj->TUScope->AddDecl(PreloadedDecls[I]); |
Douglas Gregor | 76dc889 | 2010-09-24 23:29:12 +0000 | [diff] [blame] | 4408 | |
| 4409 | SemaObj->IdResolver.AddDecl(PreloadedDecls[I]); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 4410 | } |
Douglas Gregor | 6cfc1a8 | 2009-04-22 21:15:06 +0000 | [diff] [blame] | 4411 | PreloadedDecls.clear(); |
Douglas Gregor | 4c0e86b | 2009-04-22 22:02:47 +0000 | [diff] [blame] | 4412 | |
Argyrios Kyrtzidis | 76c38d3 | 2010-08-02 07:14:54 +0000 | [diff] [blame] | 4413 | // Load the offsets of the declarations that Sema references. |
| 4414 | // They will be lazily deserialized when needed. |
| 4415 | if (!SemaDeclRefs.empty()) { |
| 4416 | assert(SemaDeclRefs.size() == 2 && "More decl refs than expected!"); |
Douglas Gregor | 1e5b6f6 | 2011-07-28 00:57:24 +0000 | [diff] [blame] | 4417 | if (!SemaObj->StdNamespace) |
| 4418 | SemaObj->StdNamespace = SemaDeclRefs[0]; |
| 4419 | if (!SemaObj->StdBadAlloc) |
| 4420 | SemaObj->StdBadAlloc = SemaDeclRefs[1]; |
Argyrios Kyrtzidis | 76c38d3 | 2010-08-02 07:14:54 +0000 | [diff] [blame] | 4421 | } |
| 4422 | |
Peter Collingbourne | 84bccea | 2011-02-15 19:46:30 +0000 | [diff] [blame] | 4423 | if (!FPPragmaOptions.empty()) { |
| 4424 | assert(FPPragmaOptions.size() == 1 && "Wrong number of FP_PRAGMA_OPTIONS"); |
| 4425 | SemaObj->FPFeatures.fp_contract = FPPragmaOptions[0]; |
| 4426 | } |
| 4427 | |
| 4428 | if (!OpenCLExtensions.empty()) { |
| 4429 | unsigned I = 0; |
| 4430 | #define OPENCLEXT(nm) SemaObj->OpenCLFeatures.nm = OpenCLExtensions[I++]; |
| 4431 | #include "clang/Basic/OpenCLExtensions.def" |
| 4432 | |
| 4433 | assert(OpenCLExtensions.size() == I && "Wrong number of OPENCL_EXTENSIONS"); |
| 4434 | } |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 4435 | } |
| 4436 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4437 | IdentifierInfo* ASTReader::get(const char *NameStart, const char *NameEnd) { |
Sebastian Redl | d8c5abb | 2010-08-02 18:30:12 +0000 | [diff] [blame] | 4438 | // Try to find this name within our on-disk hash tables. We start with the |
| 4439 | // most recent one, since that one contains the most up-to-date info. |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 4440 | for (ModuleIterator I = ModuleMgr.begin(), E = ModuleMgr.end(); I != E; ++I) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4441 | ASTIdentifierLookupTable *IdTable |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 4442 | = (ASTIdentifierLookupTable *)(*I)->IdentifierLookupTable; |
Sebastian Redl | 0fa7d0b | 2010-07-22 17:01:13 +0000 | [diff] [blame] | 4443 | if (!IdTable) |
| 4444 | continue; |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 4445 | std::pair<const char*, unsigned> Key(NameStart, NameEnd - NameStart); |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4446 | ASTIdentifierLookupTable::iterator Pos = IdTable->find(Key); |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 4447 | if (Pos == IdTable->end()) |
| 4448 | continue; |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 4449 | |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 4450 | // Dereferencing the iterator has the effect of building the |
| 4451 | // IdentifierInfo node and populating it with the various |
| 4452 | // declarations it needs. |
Sebastian Redl | d8c5abb | 2010-08-02 18:30:12 +0000 | [diff] [blame] | 4453 | return *Pos; |
Sebastian Redl | d27d3fc | 2010-07-21 22:31:37 +0000 | [diff] [blame] | 4454 | } |
Sebastian Redl | d8c5abb | 2010-08-02 18:30:12 +0000 | [diff] [blame] | 4455 | return 0; |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 4456 | } |
| 4457 | |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 4458 | namespace clang { |
| 4459 | /// \brief An identifier-lookup iterator that enumerates all of the |
| 4460 | /// identifiers stored within a set of AST files. |
| 4461 | class ASTIdentifierIterator : public IdentifierIterator { |
| 4462 | /// \brief The AST reader whose identifiers are being enumerated. |
| 4463 | const ASTReader &Reader; |
| 4464 | |
| 4465 | /// \brief The current index into the chain of AST files stored in |
| 4466 | /// the AST reader. |
| 4467 | unsigned Index; |
| 4468 | |
| 4469 | /// \brief The current position within the identifier lookup table |
| 4470 | /// of the current AST file. |
| 4471 | ASTIdentifierLookupTable::key_iterator Current; |
| 4472 | |
| 4473 | /// \brief The end position within the identifier lookup table of |
| 4474 | /// the current AST file. |
| 4475 | ASTIdentifierLookupTable::key_iterator End; |
| 4476 | |
| 4477 | public: |
| 4478 | explicit ASTIdentifierIterator(const ASTReader &Reader); |
| 4479 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4480 | virtual StringRef Next(); |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 4481 | }; |
| 4482 | } |
| 4483 | |
| 4484 | ASTIdentifierIterator::ASTIdentifierIterator(const ASTReader &Reader) |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 4485 | : Reader(Reader), Index(Reader.ModuleMgr.size() - 1) { |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 4486 | ASTIdentifierLookupTable *IdTable |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 4487 | = (ASTIdentifierLookupTable *)Reader.ModuleMgr[Index].IdentifierLookupTable; |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 4488 | Current = IdTable->key_begin(); |
| 4489 | End = IdTable->key_end(); |
| 4490 | } |
| 4491 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4492 | StringRef ASTIdentifierIterator::Next() { |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 4493 | while (Current == End) { |
| 4494 | // If we have exhausted all of our AST files, we're done. |
| 4495 | if (Index == 0) |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4496 | return StringRef(); |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 4497 | |
| 4498 | --Index; |
| 4499 | ASTIdentifierLookupTable *IdTable |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 4500 | = (ASTIdentifierLookupTable *)Reader.ModuleMgr[Index]. |
| 4501 | IdentifierLookupTable; |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 4502 | Current = IdTable->key_begin(); |
| 4503 | End = IdTable->key_end(); |
| 4504 | } |
| 4505 | |
| 4506 | // We have any identifiers remaining in the current AST file; return |
| 4507 | // the next one. |
| 4508 | std::pair<const char*, unsigned> Key = *Current; |
| 4509 | ++Current; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4510 | return StringRef(Key.first, Key.second); |
Douglas Gregor | 95f4292 | 2010-10-14 22:11:03 +0000 | [diff] [blame] | 4511 | } |
| 4512 | |
| 4513 | IdentifierIterator *ASTReader::getIdentifiers() const { |
| 4514 | return new ASTIdentifierIterator(*this); |
| 4515 | } |
| 4516 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4517 | std::pair<ObjCMethodList, ObjCMethodList> |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4518 | ASTReader::ReadMethodPool(Selector Sel) { |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4519 | // Find this selector in a hash table. We want to find the most recent entry. |
Jonathan D. Turner | 5d6d89f | 2011-07-25 20:32:21 +0000 | [diff] [blame] | 4520 | for (ModuleIterator I = ModuleMgr.begin(), E = ModuleMgr.end(); I != E; ++I) { |
| 4521 | Module &F = *(*I); |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4522 | if (!F.SelectorLookupTable) |
| 4523 | continue; |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 4524 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4525 | ASTSelectorLookupTable *PoolTable |
| 4526 | = (ASTSelectorLookupTable*)F.SelectorLookupTable; |
| 4527 | ASTSelectorLookupTable::iterator Pos = PoolTable->find(Sel); |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4528 | if (Pos != PoolTable->end()) { |
| 4529 | ++NumSelectorsRead; |
Sebastian Redl | fa78dec | 2010-08-04 21:22:45 +0000 | [diff] [blame] | 4530 | // FIXME: Not quite happy with the statistics here. We probably should |
| 4531 | // disable this tracking when called via LoadSelector. |
| 4532 | // Also, should entries without methods count as misses? |
| 4533 | ++NumMethodPoolEntriesRead; |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4534 | ASTSelectorLookupTrait::data_type Data = *Pos; |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4535 | if (DeserializationListener) |
| 4536 | DeserializationListener->SelectorRead(Data.ID, Sel); |
| 4537 | return std::make_pair(Data.Instance, Data.Factory); |
| 4538 | } |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4539 | } |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 4540 | |
Sebastian Redl | fa78dec | 2010-08-04 21:22:45 +0000 | [diff] [blame] | 4541 | ++NumMethodPoolMisses; |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4542 | return std::pair<ObjCMethodList, ObjCMethodList>(); |
Douglas Gregor | f0aaf7a | 2009-04-24 21:10:55 +0000 | [diff] [blame] | 4543 | } |
| 4544 | |
Douglas Gregor | d8bba9c | 2011-06-28 16:20:02 +0000 | [diff] [blame] | 4545 | void ASTReader::ReadKnownNamespaces( |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4546 | SmallVectorImpl<NamespaceDecl *> &Namespaces) { |
Douglas Gregor | d8bba9c | 2011-06-28 16:20:02 +0000 | [diff] [blame] | 4547 | Namespaces.clear(); |
| 4548 | |
| 4549 | for (unsigned I = 0, N = KnownNamespaces.size(); I != N; ++I) { |
| 4550 | if (NamespaceDecl *Namespace |
| 4551 | = dyn_cast_or_null<NamespaceDecl>(GetDecl(KnownNamespaces[I]))) |
| 4552 | Namespaces.push_back(Namespace); |
| 4553 | } |
| 4554 | } |
| 4555 | |
Douglas Gregor | a862320 | 2011-07-27 20:58:46 +0000 | [diff] [blame] | 4556 | void ASTReader::ReadTentativeDefinitions( |
| 4557 | SmallVectorImpl<VarDecl *> &TentativeDefs) { |
| 4558 | for (unsigned I = 0, N = TentativeDefinitions.size(); I != N; ++I) { |
| 4559 | VarDecl *Var = dyn_cast_or_null<VarDecl>(GetDecl(TentativeDefinitions[I])); |
| 4560 | if (Var) |
| 4561 | TentativeDefs.push_back(Var); |
| 4562 | } |
| 4563 | TentativeDefinitions.clear(); |
| 4564 | } |
| 4565 | |
Douglas Gregor | a2ee20a | 2011-07-27 21:45:57 +0000 | [diff] [blame] | 4566 | void ASTReader::ReadUnusedFileScopedDecls( |
| 4567 | SmallVectorImpl<const DeclaratorDecl *> &Decls) { |
| 4568 | for (unsigned I = 0, N = UnusedFileScopedDecls.size(); I != N; ++I) { |
| 4569 | DeclaratorDecl *D |
| 4570 | = dyn_cast_or_null<DeclaratorDecl>(GetDecl(UnusedFileScopedDecls[I])); |
| 4571 | if (D) |
| 4572 | Decls.push_back(D); |
| 4573 | } |
| 4574 | UnusedFileScopedDecls.clear(); |
| 4575 | } |
| 4576 | |
Douglas Gregor | 0129b56 | 2011-07-27 21:57:17 +0000 | [diff] [blame] | 4577 | void ASTReader::ReadDelegatingConstructors( |
| 4578 | SmallVectorImpl<CXXConstructorDecl *> &Decls) { |
| 4579 | for (unsigned I = 0, N = DelegatingCtorDecls.size(); I != N; ++I) { |
| 4580 | CXXConstructorDecl *D |
| 4581 | = dyn_cast_or_null<CXXConstructorDecl>(GetDecl(DelegatingCtorDecls[I])); |
| 4582 | if (D) |
| 4583 | Decls.push_back(D); |
| 4584 | } |
| 4585 | DelegatingCtorDecls.clear(); |
| 4586 | } |
| 4587 | |
Douglas Gregor | d58a0a5 | 2011-07-28 00:39:29 +0000 | [diff] [blame] | 4588 | void ASTReader::ReadExtVectorDecls(SmallVectorImpl<TypedefNameDecl *> &Decls) { |
| 4589 | for (unsigned I = 0, N = ExtVectorDecls.size(); I != N; ++I) { |
| 4590 | TypedefNameDecl *D |
| 4591 | = dyn_cast_or_null<TypedefNameDecl>(GetDecl(ExtVectorDecls[I])); |
| 4592 | if (D) |
| 4593 | Decls.push_back(D); |
| 4594 | } |
| 4595 | ExtVectorDecls.clear(); |
| 4596 | } |
| 4597 | |
Douglas Gregor | a126f17 | 2011-07-28 00:53:40 +0000 | [diff] [blame] | 4598 | void ASTReader::ReadDynamicClasses(SmallVectorImpl<CXXRecordDecl *> &Decls) { |
| 4599 | for (unsigned I = 0, N = DynamicClasses.size(); I != N; ++I) { |
| 4600 | CXXRecordDecl *D |
| 4601 | = dyn_cast_or_null<CXXRecordDecl>(GetDecl(DynamicClasses[I])); |
| 4602 | if (D) |
| 4603 | Decls.push_back(D); |
| 4604 | } |
| 4605 | DynamicClasses.clear(); |
| 4606 | } |
| 4607 | |
Douglas Gregor | ec12ce2 | 2011-07-28 14:20:37 +0000 | [diff] [blame] | 4608 | void |
| 4609 | ASTReader::ReadLocallyScopedExternalDecls(SmallVectorImpl<NamedDecl *> &Decls) { |
| 4610 | for (unsigned I = 0, N = LocallyScopedExternalDecls.size(); I != N; ++I) { |
| 4611 | NamedDecl *D |
| 4612 | = dyn_cast_or_null<NamedDecl>(GetDecl(LocallyScopedExternalDecls[I])); |
| 4613 | if (D) |
| 4614 | Decls.push_back(D); |
| 4615 | } |
| 4616 | LocallyScopedExternalDecls.clear(); |
| 4617 | } |
| 4618 | |
Douglas Gregor | 5b9dc7c | 2011-07-28 14:54:22 +0000 | [diff] [blame] | 4619 | void ASTReader::ReadReferencedSelectors( |
| 4620 | SmallVectorImpl<std::pair<Selector, SourceLocation> > &Sels) { |
| 4621 | if (ReferencedSelectorsData.empty()) |
| 4622 | return; |
| 4623 | |
| 4624 | // If there are @selector references added them to its pool. This is for |
| 4625 | // implementation of -Wselector. |
| 4626 | unsigned int DataSize = ReferencedSelectorsData.size()-1; |
| 4627 | unsigned I = 0; |
| 4628 | while (I < DataSize) { |
| 4629 | Selector Sel = DecodeSelector(ReferencedSelectorsData[I++]); |
| 4630 | SourceLocation SelLoc |
| 4631 | = SourceLocation::getFromRawEncoding(ReferencedSelectorsData[I++]); |
| 4632 | Sels.push_back(std::make_pair(Sel, SelLoc)); |
| 4633 | } |
| 4634 | ReferencedSelectorsData.clear(); |
| 4635 | } |
| 4636 | |
Douglas Gregor | 31e37b2 | 2011-07-28 18:09:57 +0000 | [diff] [blame] | 4637 | void ASTReader::ReadWeakUndeclaredIdentifiers( |
| 4638 | SmallVectorImpl<std::pair<IdentifierInfo *, WeakInfo> > &WeakIDs) { |
| 4639 | if (WeakUndeclaredIdentifiers.empty()) |
| 4640 | return; |
| 4641 | |
| 4642 | for (unsigned I = 0, N = WeakUndeclaredIdentifiers.size(); I < N; /*none*/) { |
| 4643 | IdentifierInfo *WeakId |
| 4644 | = DecodeIdentifierInfo(WeakUndeclaredIdentifiers[I++]); |
| 4645 | IdentifierInfo *AliasId |
| 4646 | = DecodeIdentifierInfo(WeakUndeclaredIdentifiers[I++]); |
| 4647 | SourceLocation Loc |
| 4648 | = SourceLocation::getFromRawEncoding(WeakUndeclaredIdentifiers[I++]); |
| 4649 | bool Used = WeakUndeclaredIdentifiers[I++]; |
| 4650 | WeakInfo WI(AliasId, Loc); |
| 4651 | WI.setUsed(Used); |
| 4652 | WeakIDs.push_back(std::make_pair(WeakId, WI)); |
| 4653 | } |
| 4654 | WeakUndeclaredIdentifiers.clear(); |
| 4655 | } |
| 4656 | |
Douglas Gregor | dfe6543 | 2011-07-28 19:11:31 +0000 | [diff] [blame] | 4657 | void ASTReader::ReadUsedVTables(SmallVectorImpl<ExternalVTableUse> &VTables) { |
| 4658 | for (unsigned Idx = 0, N = VTableUses.size(); Idx < N; /* In loop */) { |
| 4659 | ExternalVTableUse VT; |
| 4660 | VT.Record = dyn_cast_or_null<CXXRecordDecl>(GetDecl(VTableUses[Idx++])); |
| 4661 | VT.Location = SourceLocation::getFromRawEncoding(VTableUses[Idx++]); |
| 4662 | VT.DefinitionRequired = VTableUses[Idx++]; |
| 4663 | VTables.push_back(VT); |
| 4664 | } |
| 4665 | |
| 4666 | VTableUses.clear(); |
| 4667 | } |
| 4668 | |
Douglas Gregor | 6e4a3f5 | 2011-07-28 19:49:54 +0000 | [diff] [blame] | 4669 | void ASTReader::ReadPendingInstantiations( |
| 4670 | SmallVectorImpl<std::pair<ValueDecl *, SourceLocation> > &Pending) { |
| 4671 | for (unsigned Idx = 0, N = PendingInstantiations.size(); Idx < N;) { |
| 4672 | ValueDecl *D = cast<ValueDecl>(GetDecl(PendingInstantiations[Idx++])); |
| 4673 | SourceLocation Loc |
| 4674 | = SourceLocation::getFromRawEncoding(PendingInstantiations[Idx++]); |
| 4675 | Pending.push_back(std::make_pair(D, Loc)); |
| 4676 | } |
| 4677 | PendingInstantiations.clear(); |
| 4678 | } |
| 4679 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4680 | void ASTReader::LoadSelector(Selector Sel) { |
Sebastian Redl | e58aa89 | 2010-08-04 18:21:41 +0000 | [diff] [blame] | 4681 | // It would be complicated to avoid reading the methods anyway. So don't. |
| 4682 | ReadMethodPool(Sel); |
| 4683 | } |
| 4684 | |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 4685 | void ASTReader::SetIdentifierInfo(IdentifierID ID, IdentifierInfo *II) { |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 4686 | assert(ID && "Non-zero identifier ID required"); |
Douglas Gregor | a02b147 | 2009-04-28 21:53:25 +0000 | [diff] [blame] | 4687 | assert(ID <= IdentifiersLoaded.size() && "identifier ID out of range"); |
Douglas Gregor | 2b3a5a8 | 2009-04-25 19:10:14 +0000 | [diff] [blame] | 4688 | IdentifiersLoaded[ID - 1] = II; |
Sebastian Redl | f2f0f03 | 2010-07-23 23:49:55 +0000 | [diff] [blame] | 4689 | if (DeserializationListener) |
| 4690 | DeserializationListener->IdentifierRead(ID, II); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 4691 | } |
| 4692 | |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 4693 | /// \brief Set the globally-visible declarations associated with the given |
| 4694 | /// identifier. |
| 4695 | /// |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4696 | /// If the AST reader is currently in a state where the given declaration IDs |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4697 | /// cannot safely be resolved, they are queued until it is safe to resolve |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 4698 | /// them. |
| 4699 | /// |
| 4700 | /// \param II an IdentifierInfo that refers to one or more globally-visible |
| 4701 | /// declarations. |
| 4702 | /// |
| 4703 | /// \param DeclIDs the set of declaration IDs with the name @p II that are |
| 4704 | /// visible at global scope. |
| 4705 | /// |
| 4706 | /// \param Nonrecursive should be true to indicate that the caller knows that |
| 4707 | /// this call is non-recursive, and therefore the globally-visible declarations |
| 4708 | /// will not be placed onto the pending queue. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4709 | void |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4710 | ASTReader::SetGloballyVisibleDecls(IdentifierInfo *II, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4711 | const SmallVectorImpl<uint32_t> &DeclIDs, |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 4712 | bool Nonrecursive) { |
Argyrios Kyrtzidis | 29ee3a2 | 2010-07-30 10:03:16 +0000 | [diff] [blame] | 4713 | if (NumCurrentElementsDeserializing && !Nonrecursive) { |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 4714 | PendingIdentifierInfos.push_back(PendingIdentifierInfo()); |
| 4715 | PendingIdentifierInfo &PII = PendingIdentifierInfos.back(); |
| 4716 | PII.II = II; |
Benjamin Kramer | 4ea884b | 2010-09-06 23:43:28 +0000 | [diff] [blame] | 4717 | PII.DeclIDs.append(DeclIDs.begin(), DeclIDs.end()); |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 4718 | return; |
| 4719 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4720 | |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 4721 | for (unsigned I = 0, N = DeclIDs.size(); I != N; ++I) { |
| 4722 | NamedDecl *D = cast<NamedDecl>(GetDecl(DeclIDs[I])); |
| 4723 | if (SemaObj) { |
Douglas Gregor | 914ed9d | 2010-08-13 03:15:25 +0000 | [diff] [blame] | 4724 | if (SemaObj->TUScope) { |
| 4725 | // Introduce this declaration into the translation-unit scope |
| 4726 | // and add it to the declaration chain for this identifier, so |
| 4727 | // that (unqualified) name lookup will find it. |
John McCall | d226f65 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 4728 | SemaObj->TUScope->AddDecl(D); |
Douglas Gregor | 914ed9d | 2010-08-13 03:15:25 +0000 | [diff] [blame] | 4729 | } |
Douglas Gregor | 76dc889 | 2010-09-24 23:29:12 +0000 | [diff] [blame] | 4730 | SemaObj->IdResolver.AddDeclToIdentifierChain(II, D); |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 4731 | } else { |
| 4732 | // Queue this declaration so that it will be added to the |
| 4733 | // translation unit scope and identifier's declaration chain |
| 4734 | // once a Sema object is known. |
| 4735 | PreloadedDecls.push_back(D); |
| 4736 | } |
| 4737 | } |
| 4738 | } |
| 4739 | |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 4740 | IdentifierInfo *ASTReader::DecodeIdentifierInfo(IdentifierID ID) { |
Douglas Gregor | afaf308 | 2009-04-11 00:14:32 +0000 | [diff] [blame] | 4741 | if (ID == 0) |
| 4742 | return 0; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4743 | |
Sebastian Redl | 11f5ccf | 2010-07-21 00:46:22 +0000 | [diff] [blame] | 4744 | if (IdentifiersLoaded.empty()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4745 | Error("no identifier table in AST file"); |
Douglas Gregor | afaf308 | 2009-04-11 00:14:32 +0000 | [diff] [blame] | 4746 | return 0; |
| 4747 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4748 | |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 4749 | assert(PP && "Forgot to set Preprocessor ?"); |
Sebastian Redl | 11f5ccf | 2010-07-21 00:46:22 +0000 | [diff] [blame] | 4750 | ID -= 1; |
| 4751 | if (!IdentifiersLoaded[ID]) { |
Douglas Gregor | 67268d0 | 2011-07-20 00:59:32 +0000 | [diff] [blame] | 4752 | GlobalIdentifierMapType::iterator I = GlobalIdentifierMap.find(ID + 1); |
| 4753 | assert(I != GlobalIdentifierMap.end() && "Corrupted global identifier map"); |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 4754 | Module *M = I->second; |
| 4755 | unsigned Index = ID - M->BaseIdentifierID; |
| 4756 | const char *Str = M->IdentifierTableData + M->IdentifierOffsets[Index]; |
Douglas Gregor | d6595a4 | 2009-04-25 21:04:17 +0000 | [diff] [blame] | 4757 | |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4758 | // All of the strings in the AST file are preceded by a 16-bit length. |
| 4759 | // Extract that 16-bit length to avoid having to execute strlen(). |
Ted Kremenek | 231bc0b | 2009-10-23 04:45:31 +0000 | [diff] [blame] | 4760 | // NOTE: 'StrLenPtr' is an 'unsigned char*' so that we load bytes as |
| 4761 | // unsigned integers. This is important to avoid integer overflow when |
| 4762 | // we cast them to 'unsigned'. |
Ted Kremenek | ff1ea46 | 2009-10-23 03:57:22 +0000 | [diff] [blame] | 4763 | const unsigned char *StrLenPtr = (const unsigned char*) Str - 2; |
Douglas Gregor | 02fc751 | 2009-04-28 20:01:51 +0000 | [diff] [blame] | 4764 | unsigned StrLen = (((unsigned) StrLenPtr[0]) |
| 4765 | | (((unsigned) StrLenPtr[1]) << 8)) - 1; |
Sebastian Redl | 11f5ccf | 2010-07-21 00:46:22 +0000 | [diff] [blame] | 4766 | IdentifiersLoaded[ID] |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 4767 | = &PP->getIdentifierTable().get(StringRef(Str, StrLen)); |
Sebastian Redl | f2f0f03 | 2010-07-23 23:49:55 +0000 | [diff] [blame] | 4768 | if (DeserializationListener) |
| 4769 | DeserializationListener->IdentifierRead(ID + 1, IdentifiersLoaded[ID]); |
Douglas Gregor | afaf308 | 2009-04-11 00:14:32 +0000 | [diff] [blame] | 4770 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4771 | |
Sebastian Redl | 11f5ccf | 2010-07-21 00:46:22 +0000 | [diff] [blame] | 4772 | return IdentifiersLoaded[ID]; |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4773 | } |
| 4774 | |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 4775 | IdentifierInfo *ASTReader::getLocalIdentifier(Module &M, unsigned LocalID) { |
| 4776 | return DecodeIdentifierInfo(getGlobalIdentifierID(M, LocalID)); |
| 4777 | } |
| 4778 | |
| 4779 | IdentifierID ASTReader::getGlobalIdentifierID(Module &M, unsigned LocalID) { |
| 4780 | // FIXME: Perform local-to-global remapping |
| 4781 | return LocalID; |
| 4782 | } |
| 4783 | |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 4784 | bool ASTReader::ReadSLocEntry(int ID) { |
Douglas Gregor | e23ac65 | 2011-04-20 00:21:03 +0000 | [diff] [blame] | 4785 | return ReadSLocEntryRecord(ID) != Success; |
Douglas Gregor | 7f94b0b | 2009-04-27 06:38:32 +0000 | [diff] [blame] | 4786 | } |
| 4787 | |
Douglas Gregor | 2d2689a | 2011-07-28 21:16:51 +0000 | [diff] [blame] | 4788 | Selector ASTReader::getLocalSelector(Module &M, unsigned LocalID) { |
| 4789 | return DecodeSelector(getGlobalSelectorID(M, LocalID)); |
| 4790 | } |
| 4791 | |
| 4792 | Selector ASTReader::DecodeSelector(serialization::SelectorID ID) { |
Steve Naroff | 90cd1bb | 2009-04-23 10:39:46 +0000 | [diff] [blame] | 4793 | if (ID == 0) |
| 4794 | return Selector(); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4795 | |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4796 | if (ID > SelectorsLoaded.size()) { |
Sebastian Redl | 3c7f413 | 2010-08-18 23:57:06 +0000 | [diff] [blame] | 4797 | Error("selector ID out of range in AST file"); |
Steve Naroff | 90cd1bb | 2009-04-23 10:39:46 +0000 | [diff] [blame] | 4798 | return Selector(); |
| 4799 | } |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4800 | |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4801 | if (SelectorsLoaded[ID - 1].getAsOpaquePtr() == 0) { |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4802 | // Load this selector from the selector table. |
Douglas Gregor | 96958cb | 2011-07-20 01:10:58 +0000 | [diff] [blame] | 4803 | GlobalSelectorMapType::iterator I = GlobalSelectorMap.find(ID); |
| 4804 | assert(I != GlobalSelectorMap.end() && "Corrupted global selector map"); |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 4805 | Module &M = *I->second; |
| 4806 | ASTSelectorLookupTrait Trait(*this, M); |
| 4807 | unsigned Idx = ID - 1 - M.BaseSelectorID; |
Douglas Gregor | 96958cb | 2011-07-20 01:10:58 +0000 | [diff] [blame] | 4808 | SelectorsLoaded[ID - 1] = |
Douglas Gregor | 9827a80 | 2011-07-29 00:56:45 +0000 | [diff] [blame] | 4809 | Trait.ReadKey(M.SelectorLookupTableData + M.SelectorOffsets[Idx], 0); |
Douglas Gregor | 96958cb | 2011-07-20 01:10:58 +0000 | [diff] [blame] | 4810 | if (DeserializationListener) |
| 4811 | DeserializationListener->SelectorRead(ID, SelectorsLoaded[ID - 1]); |
Douglas Gregor | 83941df | 2009-04-25 17:48:32 +0000 | [diff] [blame] | 4812 | } |
| 4813 | |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4814 | return SelectorsLoaded[ID - 1]; |
Steve Naroff | 90cd1bb | 2009-04-23 10:39:46 +0000 | [diff] [blame] | 4815 | } |
| 4816 | |
Douglas Gregor | 8451ec7 | 2011-07-28 14:41:43 +0000 | [diff] [blame] | 4817 | Selector ASTReader::GetExternalSelector(serialization::SelectorID ID) { |
Douglas Gregor | 719770d | 2010-04-06 17:30:22 +0000 | [diff] [blame] | 4818 | return DecodeSelector(ID); |
| 4819 | } |
| 4820 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 4821 | uint32_t ASTReader::GetNumExternalSelectors() { |
Sebastian Redl | 725cd96 | 2010-08-04 20:40:17 +0000 | [diff] [blame] | 4822 | // ID 0 (the null selector) is considered an external selector. |
| 4823 | return getTotalNumSelectors() + 1; |
Douglas Gregor | 719770d | 2010-04-06 17:30:22 +0000 | [diff] [blame] | 4824 | } |
| 4825 | |
Douglas Gregor | 8451ec7 | 2011-07-28 14:41:43 +0000 | [diff] [blame] | 4826 | serialization::SelectorID |
| 4827 | ASTReader::getGlobalSelectorID(Module &F, unsigned LocalID) const { |
| 4828 | // FIXME: Perform local -> global remapping |
| 4829 | return LocalID; |
| 4830 | } |
| 4831 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 4832 | DeclarationName |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4833 | ASTReader::ReadDeclarationName(Module &F, |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 4834 | const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4835 | DeclarationName::NameKind Kind = (DeclarationName::NameKind)Record[Idx++]; |
| 4836 | switch (Kind) { |
| 4837 | case DeclarationName::Identifier: |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 4838 | return DeclarationName(GetIdentifierInfo(F, Record, Idx)); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4839 | |
| 4840 | case DeclarationName::ObjCZeroArgSelector: |
| 4841 | case DeclarationName::ObjCOneArgSelector: |
| 4842 | case DeclarationName::ObjCMultiArgSelector: |
Douglas Gregor | 2d2689a | 2011-07-28 21:16:51 +0000 | [diff] [blame] | 4843 | return DeclarationName(ReadSelector(F, Record, Idx)); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4844 | |
| 4845 | case DeclarationName::CXXConstructorName: |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 4846 | return Context->DeclarationNames.getCXXConstructorName( |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 4847 | Context->getCanonicalType(readType(F, Record, Idx))); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4848 | |
| 4849 | case DeclarationName::CXXDestructorName: |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 4850 | return Context->DeclarationNames.getCXXDestructorName( |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 4851 | Context->getCanonicalType(readType(F, Record, Idx))); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4852 | |
| 4853 | case DeclarationName::CXXConversionFunctionName: |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 4854 | return Context->DeclarationNames.getCXXConversionFunctionName( |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 4855 | Context->getCanonicalType(readType(F, Record, Idx))); |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4856 | |
| 4857 | case DeclarationName::CXXOperatorName: |
Chris Lattner | d1d64a0 | 2009-04-27 21:45:14 +0000 | [diff] [blame] | 4858 | return Context->DeclarationNames.getCXXOperatorName( |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4859 | (OverloadedOperatorKind)Record[Idx++]); |
| 4860 | |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 4861 | case DeclarationName::CXXLiteralOperatorName: |
| 4862 | return Context->DeclarationNames.getCXXLiteralOperatorName( |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 4863 | GetIdentifierInfo(F, Record, Idx)); |
Sean Hunt | 3e518bd | 2009-11-29 07:34:05 +0000 | [diff] [blame] | 4864 | |
Douglas Gregor | 2cf2634 | 2009-04-09 22:27:44 +0000 | [diff] [blame] | 4865 | case DeclarationName::CXXUsingDirective: |
| 4866 | return DeclarationName::getUsingDirectiveName(); |
| 4867 | } |
| 4868 | |
| 4869 | // Required to silence GCC warning |
| 4870 | return DeclarationName(); |
| 4871 | } |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 4872 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4873 | void ASTReader::ReadDeclarationNameLoc(Module &F, |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 4874 | DeclarationNameLoc &DNLoc, |
| 4875 | DeclarationName Name, |
| 4876 | const RecordData &Record, unsigned &Idx) { |
| 4877 | switch (Name.getNameKind()) { |
| 4878 | case DeclarationName::CXXConstructorName: |
| 4879 | case DeclarationName::CXXDestructorName: |
| 4880 | case DeclarationName::CXXConversionFunctionName: |
| 4881 | DNLoc.NamedType.TInfo = GetTypeSourceInfo(F, Record, Idx); |
| 4882 | break; |
| 4883 | |
| 4884 | case DeclarationName::CXXOperatorName: |
| 4885 | DNLoc.CXXOperatorName.BeginOpNameLoc |
| 4886 | = ReadSourceLocation(F, Record, Idx).getRawEncoding(); |
| 4887 | DNLoc.CXXOperatorName.EndOpNameLoc |
| 4888 | = ReadSourceLocation(F, Record, Idx).getRawEncoding(); |
| 4889 | break; |
| 4890 | |
| 4891 | case DeclarationName::CXXLiteralOperatorName: |
| 4892 | DNLoc.CXXLiteralOperatorName.OpNameLoc |
| 4893 | = ReadSourceLocation(F, Record, Idx).getRawEncoding(); |
| 4894 | break; |
| 4895 | |
| 4896 | case DeclarationName::Identifier: |
| 4897 | case DeclarationName::ObjCZeroArgSelector: |
| 4898 | case DeclarationName::ObjCOneArgSelector: |
| 4899 | case DeclarationName::ObjCMultiArgSelector: |
| 4900 | case DeclarationName::CXXUsingDirective: |
| 4901 | break; |
| 4902 | } |
| 4903 | } |
| 4904 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4905 | void ASTReader::ReadDeclarationNameInfo(Module &F, |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 4906 | DeclarationNameInfo &NameInfo, |
| 4907 | const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 4908 | NameInfo.setName(ReadDeclarationName(F, Record, Idx)); |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 4909 | NameInfo.setLoc(ReadSourceLocation(F, Record, Idx)); |
| 4910 | DeclarationNameLoc DNLoc; |
| 4911 | ReadDeclarationNameLoc(F, DNLoc, NameInfo.getName(), Record, Idx); |
| 4912 | NameInfo.setInfo(DNLoc); |
| 4913 | } |
| 4914 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4915 | void ASTReader::ReadQualifierInfo(Module &F, QualifierInfo &Info, |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 4916 | const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | c22b5ff | 2011-02-25 02:25:35 +0000 | [diff] [blame] | 4917 | Info.QualifierLoc = ReadNestedNameSpecifierLoc(F, Record, Idx); |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 4918 | unsigned NumTPLists = Record[Idx++]; |
| 4919 | Info.NumTemplParamLists = NumTPLists; |
| 4920 | if (NumTPLists) { |
| 4921 | Info.TemplParamLists = new (*Context) TemplateParameterList*[NumTPLists]; |
| 4922 | for (unsigned i=0; i != NumTPLists; ++i) |
| 4923 | Info.TemplParamLists[i] = ReadTemplateParameterList(F, Record, Idx); |
| 4924 | } |
| 4925 | } |
| 4926 | |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4927 | TemplateName |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4928 | ASTReader::ReadTemplateName(Module &F, const RecordData &Record, |
Douglas Gregor | 1aee05d | 2011-01-15 06:45:20 +0000 | [diff] [blame] | 4929 | unsigned &Idx) { |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 4930 | TemplateName::NameKind Kind = (TemplateName::NameKind)Record[Idx++]; |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4931 | switch (Kind) { |
| 4932 | case TemplateName::Template: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4933 | return TemplateName(ReadDeclAs<TemplateDecl>(F, Record, Idx)); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4934 | |
| 4935 | case TemplateName::OverloadedTemplate: { |
| 4936 | unsigned size = Record[Idx++]; |
| 4937 | UnresolvedSet<8> Decls; |
| 4938 | while (size--) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4939 | Decls.addDecl(ReadDeclAs<NamedDecl>(F, Record, Idx)); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4940 | |
| 4941 | return Context->getOverloadedTemplateName(Decls.begin(), Decls.end()); |
| 4942 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 4943 | |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4944 | case TemplateName::QualifiedTemplate: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4945 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(F, Record, Idx); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4946 | bool hasTemplKeyword = Record[Idx++]; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4947 | TemplateDecl *Template = ReadDeclAs<TemplateDecl>(F, Record, Idx); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4948 | return Context->getQualifiedTemplateName(NNS, hasTemplKeyword, Template); |
| 4949 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 4950 | |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4951 | case TemplateName::DependentTemplate: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4952 | NestedNameSpecifier *NNS = ReadNestedNameSpecifier(F, Record, Idx); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4953 | if (Record[Idx++]) // isIdentifier |
| 4954 | return Context->getDependentTemplateName(NNS, |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 4955 | GetIdentifierInfo(F, Record, |
| 4956 | Idx)); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4957 | return Context->getDependentTemplateName(NNS, |
Argyrios Kyrtzidis | 17cfded | 2010-06-28 09:31:42 +0000 | [diff] [blame] | 4958 | (OverloadedOperatorKind)Record[Idx++]); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4959 | } |
John McCall | 1460604 | 2011-06-30 08:33:18 +0000 | [diff] [blame] | 4960 | |
| 4961 | case TemplateName::SubstTemplateTemplateParm: { |
| 4962 | TemplateTemplateParmDecl *param |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4963 | = ReadDeclAs<TemplateTemplateParmDecl>(F, Record, Idx); |
John McCall | 1460604 | 2011-06-30 08:33:18 +0000 | [diff] [blame] | 4964 | if (!param) return TemplateName(); |
| 4965 | TemplateName replacement = ReadTemplateName(F, Record, Idx); |
| 4966 | return Context->getSubstTemplateTemplateParm(param, replacement); |
| 4967 | } |
Douglas Gregor | 1aee05d | 2011-01-15 06:45:20 +0000 | [diff] [blame] | 4968 | |
| 4969 | case TemplateName::SubstTemplateTemplateParmPack: { |
| 4970 | TemplateTemplateParmDecl *Param |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4971 | = ReadDeclAs<TemplateTemplateParmDecl>(F, Record, Idx); |
Douglas Gregor | 1aee05d | 2011-01-15 06:45:20 +0000 | [diff] [blame] | 4972 | if (!Param) |
| 4973 | return TemplateName(); |
| 4974 | |
| 4975 | TemplateArgument ArgPack = ReadTemplateArgument(F, Record, Idx); |
| 4976 | if (ArgPack.getKind() != TemplateArgument::Pack) |
| 4977 | return TemplateName(); |
| 4978 | |
| 4979 | return Context->getSubstTemplateTemplateParmPack(Param, ArgPack); |
| 4980 | } |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4981 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 4982 | |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4983 | assert(0 && "Unhandled template name kind!"); |
| 4984 | return TemplateName(); |
| 4985 | } |
| 4986 | |
| 4987 | TemplateArgument |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 4988 | ASTReader::ReadTemplateArgument(Module &F, |
Sebastian Redl | 577d479 | 2010-07-22 22:43:28 +0000 | [diff] [blame] | 4989 | const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | a7fc901 | 2011-01-05 18:58:31 +0000 | [diff] [blame] | 4990 | TemplateArgument::ArgKind Kind = (TemplateArgument::ArgKind)Record[Idx++]; |
| 4991 | switch (Kind) { |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4992 | case TemplateArgument::Null: |
| 4993 | return TemplateArgument(); |
| 4994 | case TemplateArgument::Type: |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 4995 | return TemplateArgument(readType(F, Record, Idx)); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 4996 | case TemplateArgument::Declaration: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 4997 | return TemplateArgument(ReadDecl(F, Record, Idx)); |
Argyrios Kyrtzidis | dc767e3 | 2010-06-28 09:31:34 +0000 | [diff] [blame] | 4998 | case TemplateArgument::Integral: { |
| 4999 | llvm::APSInt Value = ReadAPSInt(Record, Idx); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 5000 | QualType T = readType(F, Record, Idx); |
Argyrios Kyrtzidis | dc767e3 | 2010-06-28 09:31:34 +0000 | [diff] [blame] | 5001 | return TemplateArgument(Value, T); |
| 5002 | } |
Douglas Gregor | a7fc901 | 2011-01-05 18:58:31 +0000 | [diff] [blame] | 5003 | case TemplateArgument::Template: |
Douglas Gregor | 1aee05d | 2011-01-15 06:45:20 +0000 | [diff] [blame] | 5004 | return TemplateArgument(ReadTemplateName(F, Record, Idx)); |
Douglas Gregor | a7fc901 | 2011-01-05 18:58:31 +0000 | [diff] [blame] | 5005 | case TemplateArgument::TemplateExpansion: { |
Douglas Gregor | 1aee05d | 2011-01-15 06:45:20 +0000 | [diff] [blame] | 5006 | TemplateName Name = ReadTemplateName(F, Record, Idx); |
Douglas Gregor | 2be29f4 | 2011-01-14 23:41:42 +0000 | [diff] [blame] | 5007 | llvm::Optional<unsigned> NumTemplateExpansions; |
| 5008 | if (unsigned NumExpansions = Record[Idx++]) |
| 5009 | NumTemplateExpansions = NumExpansions - 1; |
| 5010 | return TemplateArgument(Name, NumTemplateExpansions); |
Douglas Gregor | ba68eca | 2011-01-05 17:40:24 +0000 | [diff] [blame] | 5011 | } |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 5012 | case TemplateArgument::Expression: |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5013 | return TemplateArgument(ReadExpr(F)); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 5014 | case TemplateArgument::Pack: { |
| 5015 | unsigned NumArgs = Record[Idx++]; |
Douglas Gregor | 910f800 | 2010-11-07 23:05:16 +0000 | [diff] [blame] | 5016 | TemplateArgument *Args = new (*Context) TemplateArgument[NumArgs]; |
| 5017 | for (unsigned I = 0; I != NumArgs; ++I) |
| 5018 | Args[I] = ReadTemplateArgument(F, Record, Idx); |
| 5019 | return TemplateArgument(Args, NumArgs); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 5020 | } |
| 5021 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 5022 | |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 5023 | assert(0 && "Unhandled template argument kind!"); |
| 5024 | return TemplateArgument(); |
| 5025 | } |
| 5026 | |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 5027 | TemplateParameterList * |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5028 | ASTReader::ReadTemplateParameterList(Module &F, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5029 | const RecordData &Record, unsigned &Idx) { |
| 5030 | SourceLocation TemplateLoc = ReadSourceLocation(F, Record, Idx); |
| 5031 | SourceLocation LAngleLoc = ReadSourceLocation(F, Record, Idx); |
| 5032 | SourceLocation RAngleLoc = ReadSourceLocation(F, Record, Idx); |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 5033 | |
| 5034 | unsigned NumParams = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 5035 | SmallVector<NamedDecl *, 16> Params; |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 5036 | Params.reserve(NumParams); |
| 5037 | while (NumParams--) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5038 | Params.push_back(ReadDeclAs<NamedDecl>(F, Record, Idx)); |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 5039 | |
| 5040 | TemplateParameterList* TemplateParams = |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 5041 | TemplateParameterList::Create(*Context, TemplateLoc, LAngleLoc, |
| 5042 | Params.data(), Params.size(), RAngleLoc); |
| 5043 | return TemplateParams; |
| 5044 | } |
| 5045 | |
| 5046 | void |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5047 | ASTReader:: |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 5048 | ReadTemplateArgumentList(SmallVector<TemplateArgument, 8> &TemplArgs, |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5049 | Module &F, const RecordData &Record, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5050 | unsigned &Idx) { |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 5051 | unsigned NumTemplateArgs = Record[Idx++]; |
| 5052 | TemplArgs.reserve(NumTemplateArgs); |
| 5053 | while (NumTemplateArgs--) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5054 | TemplArgs.push_back(ReadTemplateArgument(F, Record, Idx)); |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 5055 | } |
| 5056 | |
Argyrios Kyrtzidis | 37ffed3 | 2010-07-02 11:55:32 +0000 | [diff] [blame] | 5057 | /// \brief Read a UnresolvedSet structure. |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5058 | void ASTReader::ReadUnresolvedSet(Module &F, UnresolvedSetImpl &Set, |
Argyrios Kyrtzidis | 37ffed3 | 2010-07-02 11:55:32 +0000 | [diff] [blame] | 5059 | const RecordData &Record, unsigned &Idx) { |
| 5060 | unsigned NumDecls = Record[Idx++]; |
| 5061 | while (NumDecls--) { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5062 | NamedDecl *D = ReadDeclAs<NamedDecl>(F, Record, Idx); |
Argyrios Kyrtzidis | 37ffed3 | 2010-07-02 11:55:32 +0000 | [diff] [blame] | 5063 | AccessSpecifier AS = (AccessSpecifier)Record[Idx++]; |
| 5064 | Set.addDecl(D, AS); |
| 5065 | } |
| 5066 | } |
| 5067 | |
Argyrios Kyrtzidis | 0745d0a | 2010-07-02 23:30:27 +0000 | [diff] [blame] | 5068 | CXXBaseSpecifier |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5069 | ASTReader::ReadCXXBaseSpecifier(Module &F, |
Nick Lewycky | 5606220 | 2010-07-26 16:56:01 +0000 | [diff] [blame] | 5070 | const RecordData &Record, unsigned &Idx) { |
Argyrios Kyrtzidis | 0745d0a | 2010-07-02 23:30:27 +0000 | [diff] [blame] | 5071 | bool isVirtual = static_cast<bool>(Record[Idx++]); |
| 5072 | bool isBaseOfClass = static_cast<bool>(Record[Idx++]); |
| 5073 | AccessSpecifier AS = static_cast<AccessSpecifier>(Record[Idx++]); |
Sebastian Redl | f677ea3 | 2011-02-05 19:23:19 +0000 | [diff] [blame] | 5074 | bool inheritConstructors = static_cast<bool>(Record[Idx++]); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5075 | TypeSourceInfo *TInfo = GetTypeSourceInfo(F, Record, Idx); |
| 5076 | SourceRange Range = ReadSourceRange(F, Record, Idx); |
Douglas Gregor | f90b27a | 2011-01-03 22:36:02 +0000 | [diff] [blame] | 5077 | SourceLocation EllipsisLoc = ReadSourceLocation(F, Record, Idx); |
Sebastian Redl | f677ea3 | 2011-02-05 19:23:19 +0000 | [diff] [blame] | 5078 | CXXBaseSpecifier Result(Range, isVirtual, isBaseOfClass, AS, TInfo, |
Douglas Gregor | f90b27a | 2011-01-03 22:36:02 +0000 | [diff] [blame] | 5079 | EllipsisLoc); |
Sebastian Redl | f677ea3 | 2011-02-05 19:23:19 +0000 | [diff] [blame] | 5080 | Result.setInheritConstructors(inheritConstructors); |
| 5081 | return Result; |
Argyrios Kyrtzidis | 0745d0a | 2010-07-02 23:30:27 +0000 | [diff] [blame] | 5082 | } |
| 5083 | |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5084 | std::pair<CXXCtorInitializer **, unsigned> |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5085 | ASTReader::ReadCXXCtorInitializers(Module &F, const RecordData &Record, |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5086 | unsigned &Idx) { |
| 5087 | CXXCtorInitializer **CtorInitializers = 0; |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5088 | unsigned NumInitializers = Record[Idx++]; |
| 5089 | if (NumInitializers) { |
| 5090 | ASTContext &C = *getContext(); |
| 5091 | |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5092 | CtorInitializers |
| 5093 | = new (C) CXXCtorInitializer*[NumInitializers]; |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5094 | for (unsigned i=0; i != NumInitializers; ++i) { |
| 5095 | TypeSourceInfo *BaseClassInfo = 0; |
| 5096 | bool IsBaseVirtual = false; |
| 5097 | FieldDecl *Member = 0; |
Francois Pichet | 00eb3f9 | 2010-12-04 09:14:42 +0000 | [diff] [blame] | 5098 | IndirectFieldDecl *IndirectMember = 0; |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5099 | CXXConstructorDecl *Target = 0; |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 5100 | |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5101 | CtorInitializerType Type = (CtorInitializerType)Record[Idx++]; |
| 5102 | switch (Type) { |
| 5103 | case CTOR_INITIALIZER_BASE: |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5104 | BaseClassInfo = GetTypeSourceInfo(F, Record, Idx); |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5105 | IsBaseVirtual = Record[Idx++]; |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5106 | break; |
| 5107 | |
| 5108 | case CTOR_INITIALIZER_DELEGATING: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5109 | Target = ReadDeclAs<CXXConstructorDecl>(F, Record, Idx); |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5110 | break; |
| 5111 | |
| 5112 | case CTOR_INITIALIZER_MEMBER: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5113 | Member = ReadDeclAs<FieldDecl>(F, Record, Idx); |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5114 | break; |
| 5115 | |
| 5116 | case CTOR_INITIALIZER_INDIRECT_MEMBER: |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5117 | IndirectMember = ReadDeclAs<IndirectFieldDecl>(F, Record, Idx); |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5118 | break; |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5119 | } |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5120 | |
Douglas Gregor | 3fb9e4b | 2011-01-04 00:32:56 +0000 | [diff] [blame] | 5121 | SourceLocation MemberOrEllipsisLoc = ReadSourceLocation(F, Record, Idx); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5122 | Expr *Init = ReadExpr(F); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5123 | SourceLocation LParenLoc = ReadSourceLocation(F, Record, Idx); |
| 5124 | SourceLocation RParenLoc = ReadSourceLocation(F, Record, Idx); |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5125 | bool IsWritten = Record[Idx++]; |
| 5126 | unsigned SourceOrderOrNumArrayIndices; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 5127 | SmallVector<VarDecl *, 8> Indices; |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5128 | if (IsWritten) { |
| 5129 | SourceOrderOrNumArrayIndices = Record[Idx++]; |
| 5130 | } else { |
| 5131 | SourceOrderOrNumArrayIndices = Record[Idx++]; |
| 5132 | Indices.reserve(SourceOrderOrNumArrayIndices); |
| 5133 | for (unsigned i=0; i != SourceOrderOrNumArrayIndices; ++i) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5134 | Indices.push_back(ReadDeclAs<VarDecl>(F, Record, Idx)); |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5135 | } |
Michael J. Spencer | 20249a1 | 2010-10-21 03:16:25 +0000 | [diff] [blame] | 5136 | |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5137 | CXXCtorInitializer *BOMInit; |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5138 | if (Type == CTOR_INITIALIZER_BASE) { |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5139 | BOMInit = new (C) CXXCtorInitializer(C, BaseClassInfo, IsBaseVirtual, |
| 5140 | LParenLoc, Init, RParenLoc, |
| 5141 | MemberOrEllipsisLoc); |
Sean Hunt | 156b640 | 2011-05-04 01:19:08 +0000 | [diff] [blame] | 5142 | } else if (Type == CTOR_INITIALIZER_DELEGATING) { |
| 5143 | BOMInit = new (C) CXXCtorInitializer(C, MemberOrEllipsisLoc, LParenLoc, |
| 5144 | Target, Init, RParenLoc); |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5145 | } else if (IsWritten) { |
Francois Pichet | 00eb3f9 | 2010-12-04 09:14:42 +0000 | [diff] [blame] | 5146 | if (Member) |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5147 | BOMInit = new (C) CXXCtorInitializer(C, Member, MemberOrEllipsisLoc, |
| 5148 | LParenLoc, Init, RParenLoc); |
Francois Pichet | 00eb3f9 | 2010-12-04 09:14:42 +0000 | [diff] [blame] | 5149 | else |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5150 | BOMInit = new (C) CXXCtorInitializer(C, IndirectMember, |
| 5151 | MemberOrEllipsisLoc, LParenLoc, |
| 5152 | Init, RParenLoc); |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5153 | } else { |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5154 | BOMInit = CXXCtorInitializer::Create(C, Member, MemberOrEllipsisLoc, |
| 5155 | LParenLoc, Init, RParenLoc, |
| 5156 | Indices.data(), Indices.size()); |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5157 | } |
| 5158 | |
Argyrios Kyrtzidis | f84cde1 | 2010-09-06 19:04:27 +0000 | [diff] [blame] | 5159 | if (IsWritten) |
| 5160 | BOMInit->setSourceOrder(SourceOrderOrNumArrayIndices); |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5161 | CtorInitializers[i] = BOMInit; |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5162 | } |
| 5163 | } |
| 5164 | |
Sean Hunt | cbb6748 | 2011-01-08 20:30:50 +0000 | [diff] [blame] | 5165 | return std::make_pair(CtorInitializers, NumInitializers); |
Argyrios Kyrtzidis | 8e706f4 | 2010-08-09 10:54:12 +0000 | [diff] [blame] | 5166 | } |
| 5167 | |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5168 | NestedNameSpecifier * |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5169 | ASTReader::ReadNestedNameSpecifier(Module &F, |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5170 | const RecordData &Record, unsigned &Idx) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5171 | unsigned N = Record[Idx++]; |
| 5172 | NestedNameSpecifier *NNS = 0, *Prev = 0; |
| 5173 | for (unsigned I = 0; I != N; ++I) { |
| 5174 | NestedNameSpecifier::SpecifierKind Kind |
| 5175 | = (NestedNameSpecifier::SpecifierKind)Record[Idx++]; |
| 5176 | switch (Kind) { |
| 5177 | case NestedNameSpecifier::Identifier: { |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 5178 | IdentifierInfo *II = GetIdentifierInfo(F, Record, Idx); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5179 | NNS = NestedNameSpecifier::Create(*Context, Prev, II); |
| 5180 | break; |
| 5181 | } |
| 5182 | |
| 5183 | case NestedNameSpecifier::Namespace: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5184 | NamespaceDecl *NS = ReadDeclAs<NamespaceDecl>(F, Record, Idx); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5185 | NNS = NestedNameSpecifier::Create(*Context, Prev, NS); |
| 5186 | break; |
| 5187 | } |
| 5188 | |
Douglas Gregor | 14aba76 | 2011-02-24 02:36:08 +0000 | [diff] [blame] | 5189 | case NestedNameSpecifier::NamespaceAlias: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5190 | NamespaceAliasDecl *Alias =ReadDeclAs<NamespaceAliasDecl>(F, Record, Idx); |
Douglas Gregor | 14aba76 | 2011-02-24 02:36:08 +0000 | [diff] [blame] | 5191 | NNS = NestedNameSpecifier::Create(*Context, Prev, Alias); |
| 5192 | break; |
| 5193 | } |
| 5194 | |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5195 | case NestedNameSpecifier::TypeSpec: |
| 5196 | case NestedNameSpecifier::TypeSpecWithTemplate: { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 5197 | const Type *T = readType(F, Record, Idx).getTypePtrOrNull(); |
Douglas Gregor | 1ab55e9 | 2010-12-10 17:03:06 +0000 | [diff] [blame] | 5198 | if (!T) |
| 5199 | return 0; |
| 5200 | |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5201 | bool Template = Record[Idx++]; |
| 5202 | NNS = NestedNameSpecifier::Create(*Context, Prev, Template, T); |
| 5203 | break; |
| 5204 | } |
| 5205 | |
| 5206 | case NestedNameSpecifier::Global: { |
| 5207 | NNS = NestedNameSpecifier::GlobalSpecifier(*Context); |
| 5208 | // No associated value, and there can't be a prefix. |
| 5209 | break; |
| 5210 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5211 | } |
Argyrios Kyrtzidis | d2bb2c0 | 2010-07-07 15:46:30 +0000 | [diff] [blame] | 5212 | Prev = NNS; |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5213 | } |
| 5214 | return NNS; |
| 5215 | } |
| 5216 | |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5217 | NestedNameSpecifierLoc |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5218 | ASTReader::ReadNestedNameSpecifierLoc(Module &F, const RecordData &Record, |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5219 | unsigned &Idx) { |
| 5220 | unsigned N = Record[Idx++]; |
Douglas Gregor | 5f791bb | 2011-02-28 23:58:31 +0000 | [diff] [blame] | 5221 | NestedNameSpecifierLocBuilder Builder; |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5222 | for (unsigned I = 0; I != N; ++I) { |
| 5223 | NestedNameSpecifier::SpecifierKind Kind |
| 5224 | = (NestedNameSpecifier::SpecifierKind)Record[Idx++]; |
| 5225 | switch (Kind) { |
| 5226 | case NestedNameSpecifier::Identifier: { |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 5227 | IdentifierInfo *II = GetIdentifierInfo(F, Record, Idx); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5228 | SourceRange Range = ReadSourceRange(F, Record, Idx); |
Douglas Gregor | 5f791bb | 2011-02-28 23:58:31 +0000 | [diff] [blame] | 5229 | Builder.Extend(*Context, II, Range.getBegin(), Range.getEnd()); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5230 | break; |
| 5231 | } |
| 5232 | |
| 5233 | case NestedNameSpecifier::Namespace: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5234 | NamespaceDecl *NS = ReadDeclAs<NamespaceDecl>(F, Record, Idx); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5235 | SourceRange Range = ReadSourceRange(F, Record, Idx); |
Douglas Gregor | 5f791bb | 2011-02-28 23:58:31 +0000 | [diff] [blame] | 5236 | Builder.Extend(*Context, NS, Range.getBegin(), Range.getEnd()); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5237 | break; |
| 5238 | } |
| 5239 | |
| 5240 | case NestedNameSpecifier::NamespaceAlias: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5241 | NamespaceAliasDecl *Alias =ReadDeclAs<NamespaceAliasDecl>(F, Record, Idx); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5242 | SourceRange Range = ReadSourceRange(F, Record, Idx); |
Douglas Gregor | 5f791bb | 2011-02-28 23:58:31 +0000 | [diff] [blame] | 5243 | Builder.Extend(*Context, Alias, Range.getBegin(), Range.getEnd()); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5244 | break; |
| 5245 | } |
| 5246 | |
| 5247 | case NestedNameSpecifier::TypeSpec: |
| 5248 | case NestedNameSpecifier::TypeSpecWithTemplate: { |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5249 | bool Template = Record[Idx++]; |
| 5250 | TypeSourceInfo *T = GetTypeSourceInfo(F, Record, Idx); |
| 5251 | if (!T) |
| 5252 | return NestedNameSpecifierLoc(); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5253 | SourceLocation ColonColonLoc = ReadSourceLocation(F, Record, Idx); |
Douglas Gregor | 5f791bb | 2011-02-28 23:58:31 +0000 | [diff] [blame] | 5254 | |
| 5255 | // FIXME: 'template' keyword location not saved anywhere, so we fake it. |
| 5256 | Builder.Extend(*Context, |
| 5257 | Template? T->getTypeLoc().getBeginLoc() : SourceLocation(), |
| 5258 | T->getTypeLoc(), ColonColonLoc); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5259 | break; |
| 5260 | } |
| 5261 | |
| 5262 | case NestedNameSpecifier::Global: { |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5263 | SourceLocation ColonColonLoc = ReadSourceLocation(F, Record, Idx); |
Douglas Gregor | 5f791bb | 2011-02-28 23:58:31 +0000 | [diff] [blame] | 5264 | Builder.MakeGlobal(*Context, ColonColonLoc); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5265 | break; |
| 5266 | } |
| 5267 | } |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5268 | } |
| 5269 | |
Douglas Gregor | 5f791bb | 2011-02-28 23:58:31 +0000 | [diff] [blame] | 5270 | return Builder.getWithLocInContext(*Context); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 5271 | } |
| 5272 | |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5273 | SourceRange |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5274 | ASTReader::ReadSourceRange(Module &F, const RecordData &Record, |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 5275 | unsigned &Idx) { |
| 5276 | SourceLocation beg = ReadSourceLocation(F, Record, Idx); |
| 5277 | SourceLocation end = ReadSourceLocation(F, Record, Idx); |
Daniel Dunbar | 8ee5939 | 2010-06-02 15:47:10 +0000 | [diff] [blame] | 5278 | return SourceRange(beg, end); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 5279 | } |
| 5280 | |
Douglas Gregor | 0a2b45e | 2009-04-13 18:14:40 +0000 | [diff] [blame] | 5281 | /// \brief Read an integral value |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5282 | llvm::APInt ASTReader::ReadAPInt(const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | 0a2b45e | 2009-04-13 18:14:40 +0000 | [diff] [blame] | 5283 | unsigned BitWidth = Record[Idx++]; |
| 5284 | unsigned NumWords = llvm::APInt::getNumWords(BitWidth); |
| 5285 | llvm::APInt Result(BitWidth, NumWords, &Record[Idx]); |
| 5286 | Idx += NumWords; |
| 5287 | return Result; |
| 5288 | } |
| 5289 | |
| 5290 | /// \brief Read a signed integral value |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5291 | llvm::APSInt ASTReader::ReadAPSInt(const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | 0a2b45e | 2009-04-13 18:14:40 +0000 | [diff] [blame] | 5292 | bool isUnsigned = Record[Idx++]; |
| 5293 | return llvm::APSInt(ReadAPInt(Record, Idx), isUnsigned); |
| 5294 | } |
| 5295 | |
Douglas Gregor | 17fc223 | 2009-04-14 21:55:33 +0000 | [diff] [blame] | 5296 | /// \brief Read a floating-point value |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5297 | llvm::APFloat ASTReader::ReadAPFloat(const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | 17fc223 | 2009-04-14 21:55:33 +0000 | [diff] [blame] | 5298 | return llvm::APFloat(ReadAPInt(Record, Idx)); |
| 5299 | } |
| 5300 | |
Douglas Gregor | 68a2eb0 | 2009-04-15 21:30:51 +0000 | [diff] [blame] | 5301 | // \brief Read a string |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5302 | std::string ASTReader::ReadString(const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | 68a2eb0 | 2009-04-15 21:30:51 +0000 | [diff] [blame] | 5303 | unsigned Len = Record[Idx++]; |
Jay Foad | beaaccd | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 5304 | std::string Result(Record.data() + Idx, Record.data() + Idx + Len); |
Douglas Gregor | 68a2eb0 | 2009-04-15 21:30:51 +0000 | [diff] [blame] | 5305 | Idx += Len; |
| 5306 | return Result; |
| 5307 | } |
| 5308 | |
Douglas Gregor | 0a0d2b1 | 2011-03-23 00:50:03 +0000 | [diff] [blame] | 5309 | VersionTuple ASTReader::ReadVersionTuple(const RecordData &Record, |
| 5310 | unsigned &Idx) { |
| 5311 | unsigned Major = Record[Idx++]; |
| 5312 | unsigned Minor = Record[Idx++]; |
| 5313 | unsigned Subminor = Record[Idx++]; |
| 5314 | if (Minor == 0) |
| 5315 | return VersionTuple(Major); |
| 5316 | if (Subminor == 0) |
| 5317 | return VersionTuple(Major, Minor - 1); |
| 5318 | return VersionTuple(Major, Minor - 1, Subminor - 1); |
| 5319 | } |
| 5320 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5321 | CXXTemporary *ASTReader::ReadCXXTemporary(Module &F, |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5322 | const RecordData &Record, |
Chris Lattner | d259836 | 2010-05-10 00:25:06 +0000 | [diff] [blame] | 5323 | unsigned &Idx) { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 5324 | CXXDestructorDecl *Decl = ReadDeclAs<CXXDestructorDecl>(F, Record, Idx); |
Chris Lattner | d259836 | 2010-05-10 00:25:06 +0000 | [diff] [blame] | 5325 | return CXXTemporary::Create(*Context, Decl); |
| 5326 | } |
| 5327 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5328 | DiagnosticBuilder ASTReader::Diag(unsigned DiagID) { |
Douglas Gregor | e1d918e | 2009-04-10 23:10:45 +0000 | [diff] [blame] | 5329 | return Diag(SourceLocation(), DiagID); |
| 5330 | } |
| 5331 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5332 | DiagnosticBuilder ASTReader::Diag(SourceLocation Loc, unsigned DiagID) { |
Argyrios Kyrtzidis | 33e4e70 | 2010-11-18 20:06:41 +0000 | [diff] [blame] | 5333 | return Diags.Report(Loc, DiagID); |
Douglas Gregor | 0a0428e | 2009-04-10 20:39:37 +0000 | [diff] [blame] | 5334 | } |
Douglas Gregor | 025452f | 2009-04-17 00:04:06 +0000 | [diff] [blame] | 5335 | |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 5336 | /// \brief Retrieve the identifier table associated with the |
| 5337 | /// preprocessor. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5338 | IdentifierTable &ASTReader::getIdentifierTable() { |
Argyrios Kyrtzidis | 11e5110 | 2009-06-19 00:03:23 +0000 | [diff] [blame] | 5339 | assert(PP && "Forgot to set Preprocessor ?"); |
| 5340 | return PP->getIdentifierTable(); |
Douglas Gregor | 668c1a4 | 2009-04-21 22:25:48 +0000 | [diff] [blame] | 5341 | } |
| 5342 | |
Douglas Gregor | 025452f | 2009-04-17 00:04:06 +0000 | [diff] [blame] | 5343 | /// \brief Record that the given ID maps to the given switch-case |
| 5344 | /// statement. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5345 | void ASTReader::RecordSwitchCaseID(SwitchCase *SC, unsigned ID) { |
Douglas Gregor | 025452f | 2009-04-17 00:04:06 +0000 | [diff] [blame] | 5346 | assert(SwitchCaseStmts[ID] == 0 && "Already have a SwitchCase with this ID"); |
| 5347 | SwitchCaseStmts[ID] = SC; |
| 5348 | } |
| 5349 | |
| 5350 | /// \brief Retrieve the switch-case statement with the given ID. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5351 | SwitchCase *ASTReader::getSwitchCaseWithID(unsigned ID) { |
Douglas Gregor | 025452f | 2009-04-17 00:04:06 +0000 | [diff] [blame] | 5352 | assert(SwitchCaseStmts[ID] != 0 && "No SwitchCase with this ID"); |
| 5353 | return SwitchCaseStmts[ID]; |
| 5354 | } |
Douglas Gregor | 1de05fe | 2009-04-17 18:18:49 +0000 | [diff] [blame] | 5355 | |
Argyrios Kyrtzidis | e09a275 | 2010-10-28 09:29:32 +0000 | [diff] [blame] | 5356 | void ASTReader::ClearSwitchCaseIDs() { |
| 5357 | SwitchCaseStmts.clear(); |
| 5358 | } |
| 5359 | |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 5360 | void ASTReader::FinishedDeserializing() { |
Argyrios Kyrtzidis | 29ee3a2 | 2010-07-30 10:03:16 +0000 | [diff] [blame] | 5361 | assert(NumCurrentElementsDeserializing && |
| 5362 | "FinishedDeserializing not paired with StartedDeserializing"); |
| 5363 | if (NumCurrentElementsDeserializing == 1) { |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 5364 | // If any identifiers with corresponding top-level declarations have |
| 5365 | // been loaded, load those declarations now. |
Argyrios Kyrtzidis | 29ee3a2 | 2010-07-30 10:03:16 +0000 | [diff] [blame] | 5366 | while (!PendingIdentifierInfos.empty()) { |
| 5367 | SetGloballyVisibleDecls(PendingIdentifierInfos.front().II, |
| 5368 | PendingIdentifierInfos.front().DeclIDs, true); |
| 5369 | PendingIdentifierInfos.pop_front(); |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 5370 | } |
Argyrios Kyrtzidis | bb80a8e | 2010-07-07 15:46:26 +0000 | [diff] [blame] | 5371 | |
Argyrios Kyrtzidis | 0895d15 | 2011-02-12 07:50:47 +0000 | [diff] [blame] | 5372 | // Ready to load previous declarations of Decls that were delayed. |
| 5373 | while (!PendingPreviousDecls.empty()) { |
| 5374 | loadAndAttachPreviousDecl(PendingPreviousDecls.front().first, |
| 5375 | PendingPreviousDecls.front().second); |
| 5376 | PendingPreviousDecls.pop_front(); |
| 5377 | } |
| 5378 | |
Argyrios Kyrtzidis | bb80a8e | 2010-07-07 15:46:26 +0000 | [diff] [blame] | 5379 | // We are not in recursive loading, so it's safe to pass the "interesting" |
| 5380 | // decls to the consumer. |
Argyrios Kyrtzidis | 29ee3a2 | 2010-07-30 10:03:16 +0000 | [diff] [blame] | 5381 | if (Consumer) |
| 5382 | PassInterestingDeclsToConsumer(); |
Argyrios Kyrtzidis | 134db1f | 2010-10-24 17:26:31 +0000 | [diff] [blame] | 5383 | |
| 5384 | assert(PendingForwardRefs.size() == 0 && |
| 5385 | "Some forward refs did not get linked to the definition!"); |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 5386 | } |
Argyrios Kyrtzidis | 29ee3a2 | 2010-07-30 10:03:16 +0000 | [diff] [blame] | 5387 | --NumCurrentElementsDeserializing; |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 5388 | } |
Douglas Gregor | 501c103 | 2010-08-19 00:28:17 +0000 | [diff] [blame] | 5389 | |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 5390 | ASTReader::ASTReader(Preprocessor &PP, ASTContext *Context, |
Douglas Gregor | 832d620 | 2011-07-22 16:35:34 +0000 | [diff] [blame] | 5391 | StringRef isysroot, bool DisableValidation, |
Douglas Gregor | 8ef6c8c | 2011-02-05 19:42:43 +0000 | [diff] [blame] | 5392 | bool DisableStatCache) |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 5393 | : Listener(new PCHValidator(PP, *this)), DeserializationListener(0), |
| 5394 | SourceMgr(PP.getSourceManager()), FileMgr(PP.getFileManager()), |
| 5395 | Diags(PP.getDiagnostics()), SemaObj(0), PP(&PP), Context(Context), |
Jonathan D. Turner | 1afb661 | 2011-07-28 17:20:23 +0000 | [diff] [blame] | 5396 | Consumer(0), ModuleMgr(FileMgr.getFileSystemOptions()), |
| 5397 | RelocatablePCH(false), isysroot(isysroot), |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 5398 | DisableValidation(DisableValidation), |
Douglas Gregor | 8ef6c8c | 2011-02-05 19:42:43 +0000 | [diff] [blame] | 5399 | DisableStatCache(DisableStatCache), NumStatHits(0), NumStatMisses(0), |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 5400 | NumSLocEntriesRead(0), TotalNumSLocEntries(0), |
Douglas Gregor | 8ef6c8c | 2011-02-05 19:42:43 +0000 | [diff] [blame] | 5401 | NumStatementsRead(0), TotalNumStatements(0), NumMacrosRead(0), |
| 5402 | TotalNumMacros(0), NumSelectorsRead(0), NumMethodPoolEntriesRead(0), |
| 5403 | NumMethodPoolMisses(0), TotalNumMethodPoolEntries(0), |
| 5404 | NumLexicalDeclContextsRead(0), TotalLexicalDeclContexts(0), |
Jonathan D. Turner | 1da9014 | 2011-07-21 21:15:19 +0000 | [diff] [blame] | 5405 | NumVisibleDeclContextsRead(0), TotalVisibleDeclContexts(0), |
| 5406 | TotalModulesSizeInBits(0), NumCurrentElementsDeserializing(0), |
| 5407 | NumCXXBaseSpecifiersLoaded(0) |
Douglas Gregor | 8ef6c8c | 2011-02-05 19:42:43 +0000 | [diff] [blame] | 5408 | { |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 5409 | SourceMgr.setExternalSLocEntrySource(this); |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 5410 | } |
| 5411 | |
| 5412 | ASTReader::ASTReader(SourceManager &SourceMgr, FileManager &FileMgr, |
Douglas Gregor | 832d620 | 2011-07-22 16:35:34 +0000 | [diff] [blame] | 5413 | Diagnostic &Diags, StringRef isysroot, |
Douglas Gregor | 8ef6c8c | 2011-02-05 19:42:43 +0000 | [diff] [blame] | 5414 | bool DisableValidation, bool DisableStatCache) |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 5415 | : DeserializationListener(0), SourceMgr(SourceMgr), FileMgr(FileMgr), |
Jonathan D. Turner | 1afb661 | 2011-07-28 17:20:23 +0000 | [diff] [blame] | 5416 | Diags(Diags), SemaObj(0), PP(0), Context(0), |
| 5417 | Consumer(0), ModuleMgr(FileMgr.getFileSystemOptions()), |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 5418 | RelocatablePCH(false), isysroot(isysroot), |
| 5419 | DisableValidation(DisableValidation), DisableStatCache(DisableStatCache), |
| 5420 | NumStatHits(0), NumStatMisses(0), NumSLocEntriesRead(0), |
| 5421 | TotalNumSLocEntries(0), NumStatementsRead(0), |
| 5422 | TotalNumStatements(0), NumMacrosRead(0), TotalNumMacros(0), |
| 5423 | NumSelectorsRead(0), NumMethodPoolEntriesRead(0), NumMethodPoolMisses(0), |
Sebastian Redl | 8db9fae | 2010-09-22 20:19:08 +0000 | [diff] [blame] | 5424 | TotalNumMethodPoolEntries(0), NumLexicalDeclContextsRead(0), |
| 5425 | TotalLexicalDeclContexts(0), NumVisibleDeclContextsRead(0), |
Jonathan D. Turner | 1da9014 | 2011-07-21 21:15:19 +0000 | [diff] [blame] | 5426 | TotalVisibleDeclContexts(0), TotalModulesSizeInBits(0), |
| 5427 | NumCurrentElementsDeserializing(0), NumCXXBaseSpecifiersLoaded(0) |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 5428 | { |
| 5429 | SourceMgr.setExternalSLocEntrySource(this); |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 5430 | } |
| 5431 | |
| 5432 | ASTReader::~ASTReader() { |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 5433 | // Delete all visible decl lookup tables |
| 5434 | for (DeclContextOffsetsMap::iterator I = DeclContextOffsets.begin(), |
| 5435 | E = DeclContextOffsets.end(); |
| 5436 | I != E; ++I) { |
| 5437 | for (DeclContextInfos::iterator J = I->second.begin(), F = I->second.end(); |
| 5438 | J != F; ++J) { |
| 5439 | if (J->NameLookupTableData) |
| 5440 | delete static_cast<ASTDeclContextNameLookupTable*>( |
| 5441 | J->NameLookupTableData); |
| 5442 | } |
| 5443 | } |
| 5444 | for (DeclContextVisibleUpdatesPending::iterator |
| 5445 | I = PendingVisibleUpdates.begin(), |
| 5446 | E = PendingVisibleUpdates.end(); |
| 5447 | I != E; ++I) { |
| 5448 | for (DeclContextVisibleUpdates::iterator J = I->second.begin(), |
| 5449 | F = I->second.end(); |
| 5450 | J != F; ++J) |
| 5451 | delete static_cast<ASTDeclContextNameLookupTable*>(*J); |
| 5452 | } |
| 5453 | } |
| 5454 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5455 | Module::Module(ModuleKind Kind) |
| 5456 | : Kind(Kind), SizeInBits(0), LocalNumSLocEntries(0), SLocEntryBaseID(0), |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 5457 | SLocEntryBaseOffset(0), SLocEntryOffsets(0), |
| 5458 | SLocFileOffsets(0), LocalNumIdentifiers(0), |
Douglas Gregor | f33740e | 2011-08-02 10:56:51 +0000 | [diff] [blame^] | 5459 | IdentifierOffsets(0), BaseIdentifierID(0), IdentifierTableData(0), |
| 5460 | IdentifierLookupTable(0), BasePreprocessedEntityID(0), |
| 5461 | LocalNumMacroDefinitions(0), MacroDefinitionOffsets(0), |
| 5462 | BaseMacroDefinitionID(0), LocalNumHeaderFileInfos(0), |
Douglas Gregor | f62d43d | 2011-07-19 16:10:42 +0000 | [diff] [blame] | 5463 | HeaderFileInfoTableData(0), HeaderFileInfoTable(0), |
Douglas Gregor | b4dc485 | 2011-07-28 04:50:02 +0000 | [diff] [blame] | 5464 | HeaderFileFrameworkStrings(0), |
Douglas Gregor | f33740e | 2011-08-02 10:56:51 +0000 | [diff] [blame^] | 5465 | LocalNumSelectors(0), SelectorOffsets(0), BaseSelectorID(0), |
Sebastian Redl | 301c9b0 | 2010-09-22 00:42:27 +0000 | [diff] [blame] | 5466 | SelectorLookupTableData(0), SelectorLookupTable(0), LocalNumDecls(0), |
Douglas Gregor | f33740e | 2011-08-02 10:56:51 +0000 | [diff] [blame^] | 5467 | DeclOffsets(0), BaseDeclID(0), |
| 5468 | LocalNumCXXBaseSpecifiers(0), CXXBaseSpecifiersOffsets(0), |
| 5469 | BaseCXXBaseSpecifiersID(0), |
| 5470 | LocalNumTypes(0), TypeOffsets(0), BaseTypeID(0), StatCache(0), |
Jonathan D. Turner | b4ae29c | 2011-07-28 23:15:22 +0000 | [diff] [blame] | 5471 | NumPreallocatedPreprocessingEntities(0) |
Douglas Gregor | 501c103 | 2010-08-19 00:28:17 +0000 | [diff] [blame] | 5472 | {} |
| 5473 | |
Douglas Gregor | 72a9ae1 | 2011-07-22 16:00:58 +0000 | [diff] [blame] | 5474 | Module::~Module() { |
Douglas Gregor | 501c103 | 2010-08-19 00:28:17 +0000 | [diff] [blame] | 5475 | delete static_cast<ASTIdentifierLookupTable *>(IdentifierLookupTable); |
Douglas Gregor | cfbf1c7 | 2011-02-10 17:09:37 +0000 | [diff] [blame] | 5476 | delete static_cast<HeaderFileInfoLookupTable *>(HeaderFileInfoTable); |
Douglas Gregor | 501c103 | 2010-08-19 00:28:17 +0000 | [diff] [blame] | 5477 | delete static_cast<ASTSelectorLookupTable *>(SelectorLookupTable); |
| 5478 | } |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 5479 | |
Jonathan D. Turner | 1afb661 | 2011-07-28 17:20:23 +0000 | [diff] [blame] | 5480 | Module *ModuleManager::lookup(StringRef Name) { |
| 5481 | const FileEntry *Entry = FileMgr.getFile(Name); |
| 5482 | return Modules[Entry]; |
| 5483 | } |
| 5484 | |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 5485 | /// \brief Creates a new module and adds it to the list of known modules |
| 5486 | Module &ModuleManager::addModule(StringRef FileName, ModuleKind Type) { |
| 5487 | Module *Prev = !size() ? 0 : &getLastModule(); |
| 5488 | Module *Current = new Module(Type); |
| 5489 | |
| 5490 | Current->FileName = FileName.str(); |
| 5491 | |
| 5492 | Chain.push_back(Current); |
Jonathan D. Turner | 1afb661 | 2011-07-28 17:20:23 +0000 | [diff] [blame] | 5493 | const FileEntry *Entry = FileMgr.getFile(FileName); |
| 5494 | Modules[Entry] = Current; |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 5495 | |
Jonathan D. Turner | 2e09163 | 2011-07-29 18:09:09 +0000 | [diff] [blame] | 5496 | if (Prev) { |
| 5497 | Current->ImportedBy.insert(Prev); |
| 5498 | Prev->Imports.insert(Current); |
| 5499 | } |
| 5500 | |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 5501 | return *Current; |
| 5502 | } |
| 5503 | |
| 5504 | /// \brief Exports the list of loaded modules with their corresponding names |
| 5505 | void ModuleManager::exportLookup(SmallVector<ModuleOffset, 16> &Target) { |
| 5506 | Target.reserve(size()); |
Jonathan D. Turner | 1afb661 | 2011-07-28 17:20:23 +0000 | [diff] [blame] | 5507 | for (ModuleConstIterator I = Chain.begin(), E = Chain.end(); |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 5508 | I != E; ++I) { |
Jonathan D. Turner | 1afb661 | 2011-07-28 17:20:23 +0000 | [diff] [blame] | 5509 | Target.push_back(ModuleOffset((*I)->SLocEntryBaseOffset, |
| 5510 | (*I)->FileName)); |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 5511 | } |
| 5512 | std::sort(Target.begin(), Target.end()); |
| 5513 | } |
| 5514 | |
Jonathan D. Turner | 1afb661 | 2011-07-28 17:20:23 +0000 | [diff] [blame] | 5515 | ModuleManager::ModuleManager(const FileSystemOptions &FSO) : FileMgr(FSO) { } |
| 5516 | |
Jonathan D. Turner | 48d2c3f | 2011-07-26 18:21:30 +0000 | [diff] [blame] | 5517 | ModuleManager::~ModuleManager() { |
| 5518 | for (unsigned i = 0, e = Chain.size(); i != e; ++i) |
| 5519 | delete Chain[e - i - 1]; |
| 5520 | } |