Sebastian Redl | 904c9c8 | 2010-08-18 23:57:11 +0000 | [diff] [blame] | 1 | //===--- ASTReaderDecl.cpp - Decl Deserialization ---------------*- C++ -*-===// |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +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 implements the ASTReader::ReadDeclRecord method, which is the |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 11 | // entrypoint for loading a decl. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 15 | #include "clang/Serialization/ASTReader.h" |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 16 | #include "ASTCommon.h" |
Benjamin Kramer | b1758c6 | 2012-04-15 12:36:49 +0000 | [diff] [blame] | 17 | #include "ASTReaderInternals.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 18 | #include "clang/AST/ASTConsumer.h" |
| 19 | #include "clang/AST/ASTContext.h" |
| 20 | #include "clang/AST/DeclCXX.h" |
| 21 | #include "clang/AST/DeclGroup.h" |
| 22 | #include "clang/AST/DeclTemplate.h" |
| 23 | #include "clang/AST/DeclVisitor.h" |
| 24 | #include "clang/AST/Expr.h" |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 25 | #include "clang/Sema/IdentifierResolver.h" |
| 26 | #include "clang/Sema/Sema.h" |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 27 | #include "clang/Sema/SemaDiagnostic.h" |
Argyrios Kyrtzidis | b88acb0 | 2012-05-04 01:49:36 +0000 | [diff] [blame] | 28 | #include "llvm/Support/SaveAndRestore.h" |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 29 | using namespace clang; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 30 | using namespace clang::serialization; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 31 | |
| 32 | //===----------------------------------------------------------------------===// |
| 33 | // Declaration deserialization |
| 34 | //===----------------------------------------------------------------------===// |
| 35 | |
Argyrios Kyrtzidis | 6764334 | 2010-06-29 22:47:00 +0000 | [diff] [blame] | 36 | namespace clang { |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 37 | class ASTDeclReader : public DeclVisitor<ASTDeclReader, void> { |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 38 | ASTReader &Reader; |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 39 | ModuleFile &F; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 40 | const DeclID ThisDeclID; |
Argyrios Kyrtzidis | 9d31fa7 | 2011-10-27 18:47:35 +0000 | [diff] [blame] | 41 | const unsigned RawLocation; |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 42 | typedef ASTReader::RecordData RecordData; |
| 43 | const RecordData &Record; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 44 | unsigned &Idx; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 45 | TypeID TypeIDForTypeDecl; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 46 | unsigned AnonymousDeclNumber; |
| 47 | GlobalDeclID NamedDeclForTagDecl; |
| 48 | IdentifierInfo *TypedefNameForLinkage; |
Douglas Gregor | 67da6f6 | 2011-03-05 01:35:54 +0000 | [diff] [blame] | 49 | |
Douglas Gregor | 5456b0fe | 2012-10-09 17:21:28 +0000 | [diff] [blame] | 50 | bool HasPendingBody; |
| 51 | |
Sebastian Redl | 577d479 | 2010-07-22 22:43:28 +0000 | [diff] [blame] | 52 | uint64_t GetCurrentCursorOffset(); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 53 | |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 54 | SourceLocation ReadSourceLocation(const RecordData &R, unsigned &I) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 55 | return Reader.ReadSourceLocation(F, R, I); |
| 56 | } |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 57 | |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 58 | SourceRange ReadSourceRange(const RecordData &R, unsigned &I) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 59 | return Reader.ReadSourceRange(F, R, I); |
| 60 | } |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 61 | |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 62 | TypeSourceInfo *GetTypeSourceInfo(const RecordData &R, unsigned &I) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 63 | return Reader.GetTypeSourceInfo(F, R, I); |
| 64 | } |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 65 | |
| 66 | serialization::DeclID ReadDeclID(const RecordData &R, unsigned &I) { |
| 67 | return Reader.ReadDeclID(F, R, I); |
| 68 | } |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 69 | |
| 70 | void ReadDeclIDList(SmallVectorImpl<DeclID> &IDs) { |
| 71 | for (unsigned I = 0, Size = Record[Idx++]; I != Size; ++I) |
| 72 | IDs.push_back(ReadDeclID(Record, Idx)); |
| 73 | } |
| 74 | |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 75 | Decl *ReadDecl(const RecordData &R, unsigned &I) { |
| 76 | return Reader.ReadDecl(F, R, I); |
| 77 | } |
| 78 | |
| 79 | template<typename T> |
| 80 | T *ReadDeclAs(const RecordData &R, unsigned &I) { |
| 81 | return Reader.ReadDeclAs<T>(F, R, I); |
| 82 | } |
| 83 | |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 84 | void ReadQualifierInfo(QualifierInfo &Info, |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 85 | const RecordData &R, unsigned &I) { |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 86 | Reader.ReadQualifierInfo(F, Info, R, I); |
| 87 | } |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 88 | |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 89 | void ReadDeclarationNameLoc(DeclarationNameLoc &DNLoc, DeclarationName Name, |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 90 | const RecordData &R, unsigned &I) { |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 91 | Reader.ReadDeclarationNameLoc(F, DNLoc, Name, R, I); |
| 92 | } |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 93 | |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 94 | void ReadDeclarationNameInfo(DeclarationNameInfo &NameInfo, |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 95 | const RecordData &R, unsigned &I) { |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 96 | Reader.ReadDeclarationNameInfo(F, NameInfo, R, I); |
| 97 | } |
Sebastian Redl | 577d479 | 2010-07-22 22:43:28 +0000 | [diff] [blame] | 98 | |
Douglas Gregor | ecc2c09 | 2011-12-01 22:20:10 +0000 | [diff] [blame] | 99 | serialization::SubmoduleID readSubmoduleID(const RecordData &R, |
| 100 | unsigned &I) { |
| 101 | if (I >= R.size()) |
| 102 | return 0; |
| 103 | |
| 104 | return Reader.getGlobalSubmoduleID(F, R[I++]); |
| 105 | } |
| 106 | |
Douglas Gregor | 15de72c | 2011-12-02 23:23:56 +0000 | [diff] [blame] | 107 | Module *readModule(const RecordData &R, unsigned &I) { |
| 108 | return Reader.getSubmodule(readSubmoduleID(R, I)); |
| 109 | } |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 110 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 111 | void ReadCXXRecordDefinition(CXXRecordDecl *D, bool Update); |
Argyrios Kyrtzidis | 89eaf3a | 2010-10-24 17:26:40 +0000 | [diff] [blame] | 112 | void ReadCXXDefinitionData(struct CXXRecordDecl::DefinitionData &Data, |
| 113 | const RecordData &R, unsigned &I); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 114 | void MergeDefinitionData(CXXRecordDecl *D, |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 115 | struct CXXRecordDecl::DefinitionData &&NewDD); |
Argyrios Kyrtzidis | 89eaf3a | 2010-10-24 17:26:40 +0000 | [diff] [blame] | 116 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 117 | static NamedDecl *getAnonymousDeclForMerging(ASTReader &Reader, |
| 118 | DeclContext *DC, |
| 119 | unsigned Index); |
| 120 | static void setAnonymousDeclForMerging(ASTReader &Reader, DeclContext *DC, |
| 121 | unsigned Index, NamedDecl *D); |
| 122 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 123 | /// \brief RAII class used to capture the first ID within a redeclaration |
| 124 | /// chain and to introduce it into the list of pending redeclaration chains |
| 125 | /// on destruction. |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 126 | class RedeclarableResult { |
| 127 | ASTReader &Reader; |
| 128 | GlobalDeclID FirstID; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 129 | Decl *MergeWith; |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 130 | mutable bool Owning; |
Douglas Gregor | 9cfdc03 | 2013-01-21 16:16:40 +0000 | [diff] [blame] | 131 | Decl::Kind DeclKind; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 132 | |
| 133 | void operator=(RedeclarableResult &) = delete; |
| 134 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 135 | public: |
Douglas Gregor | 9cfdc03 | 2013-01-21 16:16:40 +0000 | [diff] [blame] | 136 | RedeclarableResult(ASTReader &Reader, GlobalDeclID FirstID, |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 137 | Decl *MergeWith, Decl::Kind DeclKind) |
| 138 | : Reader(Reader), FirstID(FirstID), MergeWith(MergeWith), |
| 139 | Owning(true), DeclKind(DeclKind) {} |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 140 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 141 | RedeclarableResult(RedeclarableResult &&Other) |
| 142 | : Reader(Other.Reader), FirstID(Other.FirstID), |
| 143 | MergeWith(Other.MergeWith), Owning(Other.Owning), |
| 144 | DeclKind(Other.DeclKind) { |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 145 | Other.Owning = false; |
| 146 | } |
| 147 | |
| 148 | ~RedeclarableResult() { |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 149 | if (FirstID && Owning && isRedeclarableDeclKind(DeclKind)) { |
| 150 | auto Canon = Reader.GetDecl(FirstID)->getCanonicalDecl(); |
| 151 | if (Reader.PendingDeclChainsKnown.insert(Canon).second) |
| 152 | Reader.PendingDeclChains.push_back(Canon); |
| 153 | } |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 154 | } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 155 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 156 | /// \brief Retrieve the first ID. |
| 157 | GlobalDeclID getFirstID() const { return FirstID; } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 158 | |
| 159 | /// \brief Get a known declaration that this should be merged with, if |
| 160 | /// any. |
| 161 | Decl *getKnownMergeTarget() const { return MergeWith; } |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 162 | }; |
Douglas Gregor | 9cfdc03 | 2013-01-21 16:16:40 +0000 | [diff] [blame] | 163 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 164 | /// \brief Class used to capture the result of searching for an existing |
| 165 | /// declaration of a specific kind and name, along with the ability |
| 166 | /// to update the place where this result was found (the declaration |
| 167 | /// chain hanging off an identifier or the DeclContext we searched in) |
| 168 | /// if requested. |
| 169 | class FindExistingResult { |
| 170 | ASTReader &Reader; |
| 171 | NamedDecl *New; |
| 172 | NamedDecl *Existing; |
| 173 | mutable bool AddResult; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 174 | |
| 175 | unsigned AnonymousDeclNumber; |
| 176 | IdentifierInfo *TypedefNameForLinkage; |
| 177 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 178 | void operator=(FindExistingResult&) = delete; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 179 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 180 | public: |
| 181 | FindExistingResult(ASTReader &Reader) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 182 | : Reader(Reader), New(nullptr), Existing(nullptr), AddResult(false), |
| 183 | AnonymousDeclNumber(0), TypedefNameForLinkage(0) {} |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 184 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 185 | FindExistingResult(ASTReader &Reader, NamedDecl *New, NamedDecl *Existing, |
| 186 | unsigned AnonymousDeclNumber, |
| 187 | IdentifierInfo *TypedefNameForLinkage) |
| 188 | : Reader(Reader), New(New), Existing(Existing), AddResult(true), |
| 189 | AnonymousDeclNumber(AnonymousDeclNumber), |
| 190 | TypedefNameForLinkage(TypedefNameForLinkage) {} |
| 191 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 192 | FindExistingResult(const FindExistingResult &Other) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 193 | : Reader(Other.Reader), New(Other.New), Existing(Other.Existing), |
| 194 | AddResult(Other.AddResult), |
| 195 | AnonymousDeclNumber(Other.AnonymousDeclNumber), |
| 196 | TypedefNameForLinkage(Other.TypedefNameForLinkage) { |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 197 | Other.AddResult = false; |
| 198 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 199 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 200 | ~FindExistingResult(); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 201 | |
Douglas Gregor | 1ca4a5c | 2012-01-03 22:46:00 +0000 | [diff] [blame] | 202 | /// \brief Suppress the addition of this result into the known set of |
| 203 | /// names. |
| 204 | void suppress() { AddResult = false; } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 205 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 206 | operator NamedDecl*() const { return Existing; } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 207 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 208 | template<typename T> |
| 209 | operator T*() const { return dyn_cast_or_null<T>(Existing); } |
| 210 | }; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 211 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 212 | static DeclContext *getPrimaryContextForMerging(ASTReader &Reader, |
| 213 | DeclContext *DC); |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 214 | FindExistingResult findExisting(NamedDecl *D); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 215 | |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 216 | public: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 217 | ASTDeclReader(ASTReader &Reader, ModuleFile &F, DeclID thisDeclID, |
| 218 | unsigned RawLocation, const RecordData &Record, unsigned &Idx) |
| 219 | : Reader(Reader), F(F), ThisDeclID(thisDeclID), |
| 220 | RawLocation(RawLocation), Record(Record), Idx(Idx), |
| 221 | TypeIDForTypeDecl(0), NamedDeclForTagDecl(0), |
| 222 | TypedefNameForLinkage(nullptr), HasPendingBody(false) {} |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 223 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 224 | template <typename DeclT> |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 225 | static Decl *getMostRecentDeclImpl(Redeclarable<DeclT> *D); |
| 226 | static Decl *getMostRecentDeclImpl(...); |
| 227 | static Decl *getMostRecentDecl(Decl *D); |
| 228 | |
| 229 | template <typename DeclT> |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 230 | static void attachPreviousDeclImpl(ASTReader &Reader, |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 231 | Redeclarable<DeclT> *D, Decl *Previous, |
| 232 | Decl *Canon); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 233 | static void attachPreviousDeclImpl(ASTReader &Reader, ...); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 234 | static void attachPreviousDecl(ASTReader &Reader, Decl *D, Decl *Previous, |
| 235 | Decl *Canon); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 236 | |
| 237 | template <typename DeclT> |
| 238 | static void attachLatestDeclImpl(Redeclarable<DeclT> *D, Decl *Latest); |
| 239 | static void attachLatestDeclImpl(...); |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 240 | static void attachLatestDecl(Decl *D, Decl *latest); |
Argyrios Kyrtzidis | 0895d15 | 2011-02-12 07:50:47 +0000 | [diff] [blame] | 241 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 242 | template <typename DeclT> |
| 243 | static void markIncompleteDeclChainImpl(Redeclarable<DeclT> *D); |
| 244 | static void markIncompleteDeclChainImpl(...); |
| 245 | |
Douglas Gregor | 5456b0fe | 2012-10-09 17:21:28 +0000 | [diff] [blame] | 246 | /// \brief Determine whether this declaration has a pending body. |
| 247 | bool hasPendingBody() const { return HasPendingBody; } |
| 248 | |
Argyrios Kyrtzidis | d8a0c6f | 2010-07-02 11:55:01 +0000 | [diff] [blame] | 249 | void Visit(Decl *D); |
| 250 | |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 251 | void UpdateDecl(Decl *D, ModuleFile &ModuleFile, |
Sebastian Redl | f79a719 | 2011-04-29 08:19:30 +0000 | [diff] [blame] | 252 | const RecordData &Record); |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 253 | |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 254 | static void setNextObjCCategory(ObjCCategoryDecl *Cat, |
| 255 | ObjCCategoryDecl *Next) { |
| 256 | Cat->NextClassCategory = Next; |
| 257 | } |
| 258 | |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 259 | void VisitDecl(Decl *D); |
| 260 | void VisitTranslationUnitDecl(TranslationUnitDecl *TU); |
| 261 | void VisitNamedDecl(NamedDecl *ND); |
Chris Lattner | ad8dcf4 | 2011-02-17 07:39:24 +0000 | [diff] [blame] | 262 | void VisitLabelDecl(LabelDecl *LD); |
Douglas Gregor | 0cef483 | 2010-02-21 18:22:14 +0000 | [diff] [blame] | 263 | void VisitNamespaceDecl(NamespaceDecl *D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 264 | void VisitUsingDirectiveDecl(UsingDirectiveDecl *D); |
| 265 | void VisitNamespaceAliasDecl(NamespaceAliasDecl *D); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 266 | void VisitTypeDecl(TypeDecl *TD); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 267 | RedeclarableResult VisitTypedefNameDecl(TypedefNameDecl *TD); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 268 | void VisitTypedefDecl(TypedefDecl *TD); |
Richard Smith | 162e1c1 | 2011-04-15 14:24:37 +0000 | [diff] [blame] | 269 | void VisitTypeAliasDecl(TypeAliasDecl *TD); |
Argyrios Kyrtzidis | 8f4eae9 | 2010-06-30 08:49:30 +0000 | [diff] [blame] | 270 | void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D); |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 271 | RedeclarableResult VisitTagDecl(TagDecl *TD); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 272 | void VisitEnumDecl(EnumDecl *ED); |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 273 | RedeclarableResult VisitRecordDeclImpl(RecordDecl *RD); |
| 274 | void VisitRecordDecl(RecordDecl *RD) { VisitRecordDeclImpl(RD); } |
| 275 | RedeclarableResult VisitCXXRecordDeclImpl(CXXRecordDecl *D); |
| 276 | void VisitCXXRecordDecl(CXXRecordDecl *D) { VisitCXXRecordDeclImpl(D); } |
| 277 | RedeclarableResult VisitClassTemplateSpecializationDeclImpl( |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 278 | ClassTemplateSpecializationDecl *D); |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 279 | void VisitClassTemplateSpecializationDecl( |
| 280 | ClassTemplateSpecializationDecl *D) { |
| 281 | VisitClassTemplateSpecializationDeclImpl(D); |
| 282 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 283 | void VisitClassTemplatePartialSpecializationDecl( |
| 284 | ClassTemplatePartialSpecializationDecl *D); |
Sebastian Redl | 14c3633 | 2011-08-31 13:59:56 +0000 | [diff] [blame] | 285 | void VisitClassScopeFunctionSpecializationDecl( |
| 286 | ClassScopeFunctionSpecializationDecl *D); |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 287 | RedeclarableResult |
| 288 | VisitVarTemplateSpecializationDeclImpl(VarTemplateSpecializationDecl *D); |
| 289 | void VisitVarTemplateSpecializationDecl(VarTemplateSpecializationDecl *D) { |
| 290 | VisitVarTemplateSpecializationDeclImpl(D); |
| 291 | } |
| 292 | void VisitVarTemplatePartialSpecializationDecl( |
| 293 | VarTemplatePartialSpecializationDecl *D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 294 | void VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 295 | void VisitValueDecl(ValueDecl *VD); |
| 296 | void VisitEnumConstantDecl(EnumConstantDecl *ECD); |
Argyrios Kyrtzidis | 8f4eae9 | 2010-06-30 08:49:30 +0000 | [diff] [blame] | 297 | void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D); |
Argyrios Kyrtzidis | d4a7e54 | 2009-08-19 01:28:35 +0000 | [diff] [blame] | 298 | void VisitDeclaratorDecl(DeclaratorDecl *DD); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 299 | void VisitFunctionDecl(FunctionDecl *FD); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 300 | void VisitCXXMethodDecl(CXXMethodDecl *D); |
| 301 | void VisitCXXConstructorDecl(CXXConstructorDecl *D); |
| 302 | void VisitCXXDestructorDecl(CXXDestructorDecl *D); |
| 303 | void VisitCXXConversionDecl(CXXConversionDecl *D); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 304 | void VisitFieldDecl(FieldDecl *FD); |
John McCall | 76da55d | 2013-04-16 07:28:30 +0000 | [diff] [blame] | 305 | void VisitMSPropertyDecl(MSPropertyDecl *FD); |
Francois Pichet | 87c2e12 | 2010-11-21 06:08:52 +0000 | [diff] [blame] | 306 | void VisitIndirectFieldDecl(IndirectFieldDecl *FD); |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 307 | RedeclarableResult VisitVarDeclImpl(VarDecl *D); |
| 308 | void VisitVarDecl(VarDecl *VD) { VisitVarDeclImpl(VD); } |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 309 | void VisitImplicitParamDecl(ImplicitParamDecl *PD); |
| 310 | void VisitParmVarDecl(ParmVarDecl *PD); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 311 | void VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 312 | DeclID VisitTemplateDecl(TemplateDecl *D); |
Douglas Gregor | 0782ef2 | 2012-01-06 22:05:37 +0000 | [diff] [blame] | 313 | RedeclarableResult VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 314 | void VisitClassTemplateDecl(ClassTemplateDecl *D); |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 315 | void VisitVarTemplateDecl(VarTemplateDecl *D); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 316 | void VisitFunctionTemplateDecl(FunctionTemplateDecl *D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 317 | void VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D); |
Richard Smith | 3e4c6c4 | 2011-05-05 21:57:07 +0000 | [diff] [blame] | 318 | void VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D); |
Argyrios Kyrtzidis | b01a552 | 2010-06-20 14:40:59 +0000 | [diff] [blame] | 319 | void VisitUsingDecl(UsingDecl *D); |
| 320 | void VisitUsingShadowDecl(UsingShadowDecl *D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 321 | void VisitLinkageSpecDecl(LinkageSpecDecl *D); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 322 | void VisitFileScopeAsmDecl(FileScopeAsmDecl *AD); |
Douglas Gregor | 15de72c | 2011-12-02 23:23:56 +0000 | [diff] [blame] | 323 | void VisitImportDecl(ImportDecl *D); |
Abramo Bagnara | 6206d53 | 2010-06-05 05:09:32 +0000 | [diff] [blame] | 324 | void VisitAccessSpecDecl(AccessSpecDecl *D); |
Argyrios Kyrtzidis | 6764334 | 2010-06-29 22:47:00 +0000 | [diff] [blame] | 325 | void VisitFriendDecl(FriendDecl *D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 326 | void VisitFriendTemplateDecl(FriendTemplateDecl *D); |
| 327 | void VisitStaticAssertDecl(StaticAssertDecl *D); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 328 | void VisitBlockDecl(BlockDecl *BD); |
Tareq A. Siraj | 6afcf88 | 2013-04-16 19:37:38 +0000 | [diff] [blame] | 329 | void VisitCapturedDecl(CapturedDecl *CD); |
Michael Han | 684aa73 | 2013-02-22 17:15:32 +0000 | [diff] [blame] | 330 | void VisitEmptyDecl(EmptyDecl *D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 331 | |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 332 | std::pair<uint64_t, uint64_t> VisitDeclContext(DeclContext *DC); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 333 | |
| 334 | template<typename T> |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 335 | RedeclarableResult VisitRedeclarable(Redeclarable<T> *D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 336 | |
Douglas Gregor | dea22cc | 2012-01-03 17:27:13 +0000 | [diff] [blame] | 337 | template<typename T> |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 338 | void mergeRedeclarable(Redeclarable<T> *D, RedeclarableResult &Redecl, |
| 339 | DeclID TemplatePatternID = 0); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 340 | |
| 341 | template<typename T> |
| 342 | void mergeRedeclarable(Redeclarable<T> *D, T *Existing, |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 343 | RedeclarableResult &Redecl, |
| 344 | DeclID TemplatePatternID = 0); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 345 | |
Richard Smith | 4ed0122 | 2013-10-07 08:02:11 +0000 | [diff] [blame] | 346 | template<typename T> |
| 347 | void mergeMergeable(Mergeable<T> *D); |
| 348 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 349 | void mergeTemplatePattern(RedeclarableTemplateDecl *D, |
| 350 | RedeclarableTemplateDecl *Existing, |
| 351 | DeclID DsID); |
| 352 | |
Sean Hunt | 9a55591 | 2010-05-30 07:21:58 +0000 | [diff] [blame] | 353 | // FIXME: Reorder according to DeclNodes.td? |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 354 | void VisitObjCMethodDecl(ObjCMethodDecl *D); |
| 355 | void VisitObjCContainerDecl(ObjCContainerDecl *D); |
| 356 | void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); |
| 357 | void VisitObjCIvarDecl(ObjCIvarDecl *D); |
| 358 | void VisitObjCProtocolDecl(ObjCProtocolDecl *D); |
| 359 | void VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *D); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 360 | void VisitObjCCategoryDecl(ObjCCategoryDecl *D); |
| 361 | void VisitObjCImplDecl(ObjCImplDecl *D); |
| 362 | void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); |
| 363 | void VisitObjCImplementationDecl(ObjCImplementationDecl *D); |
| 364 | void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D); |
| 365 | void VisitObjCPropertyDecl(ObjCPropertyDecl *D); |
| 366 | void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); |
Alexey Bataev | c640058 | 2013-03-22 06:34:35 +0000 | [diff] [blame] | 367 | void VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 368 | }; |
| 369 | } |
| 370 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 371 | uint64_t ASTDeclReader::GetCurrentCursorOffset() { |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 372 | return F.DeclsCursor.GetCurrentBitNo() + F.GlobalBitOffset; |
Sebastian Redl | 577d479 | 2010-07-22 22:43:28 +0000 | [diff] [blame] | 373 | } |
| 374 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 375 | void ASTDeclReader::Visit(Decl *D) { |
| 376 | DeclVisitor<ASTDeclReader, void>::Visit(D); |
Argyrios Kyrtzidis | d8a0c6f | 2010-07-02 11:55:01 +0000 | [diff] [blame] | 377 | |
Jonathan D. Turner | 953c564 | 2011-06-03 23:11:16 +0000 | [diff] [blame] | 378 | if (DeclaratorDecl *DD = dyn_cast<DeclaratorDecl>(D)) { |
| 379 | if (DD->DeclInfo) { |
| 380 | DeclaratorDecl::ExtInfo *Info = |
| 381 | DD->DeclInfo.get<DeclaratorDecl::ExtInfo *>(); |
| 382 | Info->TInfo = |
| 383 | GetTypeSourceInfo(Record, Idx); |
| 384 | } |
| 385 | else { |
| 386 | DD->DeclInfo = GetTypeSourceInfo(Record, Idx); |
| 387 | } |
| 388 | } |
| 389 | |
Argyrios Kyrtzidis | 9146832 | 2010-07-02 15:58:43 +0000 | [diff] [blame] | 390 | if (TypeDecl *TD = dyn_cast<TypeDecl>(D)) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 391 | // We have a fully initialized TypeDecl. Read its type now. |
Douglas Gregor | 1ab55e9 | 2010-12-10 17:03:06 +0000 | [diff] [blame] | 392 | TD->setTypeForDecl(Reader.GetType(TypeIDForTypeDecl).getTypePtrOrNull()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 393 | |
| 394 | // If this is a tag declaration with a typedef name for linkage, it's safe |
| 395 | // to load that typedef now. |
| 396 | if (NamedDeclForTagDecl) |
| 397 | cast<TagDecl>(D)->NamedDeclOrQualifier = |
| 398 | cast<NamedDecl>(Reader.GetDecl(NamedDeclForTagDecl)); |
Douglas Gregor | 0af5501 | 2011-12-16 03:12:41 +0000 | [diff] [blame] | 399 | } else if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D)) { |
| 400 | // if we have a fully initialized TypeDecl, we can safely read its type now. |
| 401 | ID->TypeForDecl = Reader.GetType(TypeIDForTypeDecl).getTypePtrOrNull(); |
Argyrios Kyrtzidis | 9146832 | 2010-07-02 15:58:43 +0000 | [diff] [blame] | 402 | } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
| 403 | // FunctionDecl's body was written last after all other Stmts/Exprs. |
Douglas Gregor | e5fa3c2 | 2012-10-03 18:34:48 +0000 | [diff] [blame] | 404 | // We only read it if FD doesn't already have a body (e.g., from another |
| 405 | // module). |
Douglas Gregor | 8d45c2b | 2012-10-03 18:36:10 +0000 | [diff] [blame] | 406 | // FIXME: Can we diagnose ODR violations somehow? |
Douglas Gregor | 5456b0fe | 2012-10-09 17:21:28 +0000 | [diff] [blame] | 407 | if (Record[Idx++]) { |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 408 | if (auto *CD = dyn_cast<CXXConstructorDecl>(FD)) { |
| 409 | CD->NumCtorInitializers = Record[Idx++]; |
| 410 | if (CD->NumCtorInitializers) |
| 411 | CD->CtorInitializers = |
| 412 | Reader.ReadCXXCtorInitializersRef(F, Record, Idx); |
| 413 | } |
Douglas Gregor | 5456b0fe | 2012-10-09 17:21:28 +0000 | [diff] [blame] | 414 | Reader.PendingBodies[FD] = GetCurrentCursorOffset(); |
| 415 | HasPendingBody = true; |
| 416 | } |
Argyrios Kyrtzidis | 9146832 | 2010-07-02 15:58:43 +0000 | [diff] [blame] | 417 | } |
Argyrios Kyrtzidis | d8a0c6f | 2010-07-02 11:55:01 +0000 | [diff] [blame] | 418 | } |
| 419 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 420 | void ASTDeclReader::VisitDecl(Decl *D) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 421 | if (D->isTemplateParameter() || D->isTemplateParameterPack() || |
| 422 | isa<ParmVarDecl>(D)) { |
Douglas Gregor | 67da6f6 | 2011-03-05 01:35:54 +0000 | [diff] [blame] | 423 | // We don't want to deserialize the DeclContext of a template |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 424 | // parameter or of a parameter of a function template immediately. These |
| 425 | // entities might be used in the formulation of its DeclContext (for |
| 426 | // example, a function parameter can be used in decltype() in trailing |
| 427 | // return type of the function). Use the translation unit DeclContext as a |
| 428 | // placeholder. |
Argyrios Kyrtzidis | 7640b02 | 2013-02-16 00:48:59 +0000 | [diff] [blame] | 429 | GlobalDeclID SemaDCIDForTemplateParmDecl = ReadDeclID(Record, Idx); |
| 430 | GlobalDeclID LexicalDCIDForTemplateParmDecl = ReadDeclID(Record, Idx); |
| 431 | Reader.addPendingDeclContextInfo(D, |
| 432 | SemaDCIDForTemplateParmDecl, |
| 433 | LexicalDCIDForTemplateParmDecl); |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 434 | D->setDeclContext(Reader.getContext().getTranslationUnitDecl()); |
Douglas Gregor | 67da6f6 | 2011-03-05 01:35:54 +0000 | [diff] [blame] | 435 | } else { |
Argyrios Kyrtzidis | 4bbb850 | 2012-02-09 02:44:08 +0000 | [diff] [blame] | 436 | DeclContext *SemaDC = ReadDeclAs<DeclContext>(Record, Idx); |
| 437 | DeclContext *LexicalDC = ReadDeclAs<DeclContext>(Record, Idx); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 438 | DeclContext *MergedSemaDC = Reader.MergedDeclContexts.lookup(SemaDC); |
Argyrios Kyrtzidis | 621fc4b | 2012-02-09 07:46:54 +0000 | [diff] [blame] | 439 | // Avoid calling setLexicalDeclContext() directly because it uses |
| 440 | // Decl::getASTContext() internally which is unsafe during derialization. |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 441 | D->setDeclContextsImpl(MergedSemaDC ? MergedSemaDC : SemaDC, LexicalDC, |
| 442 | Reader.getContext()); |
Douglas Gregor | 67da6f6 | 2011-03-05 01:35:54 +0000 | [diff] [blame] | 443 | } |
Argyrios Kyrtzidis | 9d31fa7 | 2011-10-27 18:47:35 +0000 | [diff] [blame] | 444 | D->setLocation(Reader.ReadSourceLocation(F, RawLocation)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 445 | D->setInvalidDecl(Record[Idx++]); |
Argyrios Kyrtzidis | 4eb9fc0 | 2010-10-18 19:20:11 +0000 | [diff] [blame] | 446 | if (Record[Idx++]) { // hasAttrs |
Sean Hunt | cf807c4 | 2010-08-18 23:23:40 +0000 | [diff] [blame] | 447 | AttrVec Attrs; |
Argyrios Kyrtzidis | 4eb9fc0 | 2010-10-18 19:20:11 +0000 | [diff] [blame] | 448 | Reader.ReadAttributes(F, Attrs, Record, Idx); |
Argyrios Kyrtzidis | 621fc4b | 2012-02-09 07:46:54 +0000 | [diff] [blame] | 449 | // Avoid calling setAttrs() directly because it uses Decl::getASTContext() |
| 450 | // internally which is unsafe during derialization. |
Argyrios Kyrtzidis | 4bbb850 | 2012-02-09 02:44:08 +0000 | [diff] [blame] | 451 | D->setAttrsImpl(Attrs, Reader.getContext()); |
Sean Hunt | cf807c4 | 2010-08-18 23:23:40 +0000 | [diff] [blame] | 452 | } |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 453 | D->setImplicit(Record[Idx++]); |
Rafael Espindola | e7bd89a | 2013-10-23 16:46:34 +0000 | [diff] [blame] | 454 | D->Used = Record[Idx++]; |
Argyrios Kyrtzidis | 6b6b42a | 2011-04-19 19:51:10 +0000 | [diff] [blame] | 455 | D->setReferenced(Record[Idx++]); |
Douglas Gregor | 46cd218 | 2012-01-06 16:59:53 +0000 | [diff] [blame] | 456 | D->setTopLevelDeclInObjCContainer(Record[Idx++]); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 457 | D->setAccess((AccessSpecifier)Record[Idx++]); |
Douglas Gregor | 08e0bc1 | 2011-09-10 00:09:20 +0000 | [diff] [blame] | 458 | D->FromASTFile = true; |
Douglas Gregor | 46cd218 | 2012-01-06 16:59:53 +0000 | [diff] [blame] | 459 | D->setModulePrivate(Record[Idx++]); |
| 460 | D->Hidden = D->isModulePrivate(); |
Douglas Gregor | f143ffc | 2012-01-06 16:22:39 +0000 | [diff] [blame] | 461 | |
Douglas Gregor | ecc2c09 | 2011-12-01 22:20:10 +0000 | [diff] [blame] | 462 | // Determine whether this declaration is part of a (sub)module. If so, it |
| 463 | // may not yet be visible. |
| 464 | if (unsigned SubmoduleID = readSubmoduleID(Record, Idx)) { |
Douglas Gregor | c6c8e0e | 2012-01-09 17:30:44 +0000 | [diff] [blame] | 465 | // Store the owning submodule ID in the declaration. |
| 466 | D->setOwningModuleID(SubmoduleID); |
| 467 | |
Douglas Gregor | ecc2c09 | 2011-12-01 22:20:10 +0000 | [diff] [blame] | 468 | // Module-private declarations are never visible, so there is no work to do. |
Douglas Gregor | 46cd218 | 2012-01-06 16:59:53 +0000 | [diff] [blame] | 469 | if (!D->isModulePrivate()) { |
Douglas Gregor | ecc2c09 | 2011-12-01 22:20:10 +0000 | [diff] [blame] | 470 | if (Module *Owner = Reader.getSubmodule(SubmoduleID)) { |
| 471 | if (Owner->NameVisibility != Module::AllVisible) { |
Douglas Gregor | f143ffc | 2012-01-06 16:22:39 +0000 | [diff] [blame] | 472 | // The owning module is not visible. Mark this declaration as hidden. |
| 473 | D->Hidden = true; |
Douglas Gregor | ecc2c09 | 2011-12-01 22:20:10 +0000 | [diff] [blame] | 474 | |
| 475 | // Note that this declaration was hidden because its owning module is |
| 476 | // not yet visible. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 477 | Reader.HiddenNamesMap[Owner].HiddenDecls.push_back(D); |
Douglas Gregor | ecc2c09 | 2011-12-01 22:20:10 +0000 | [diff] [blame] | 478 | } |
| 479 | } |
| 480 | } |
| 481 | } |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 482 | } |
| 483 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 484 | void ASTDeclReader::VisitTranslationUnitDecl(TranslationUnitDecl *TU) { |
Douglas Gregor | 6bf2b9f | 2011-08-12 00:15:20 +0000 | [diff] [blame] | 485 | llvm_unreachable("Translation units are not serialized"); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 486 | } |
| 487 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 488 | void ASTDeclReader::VisitNamedDecl(NamedDecl *ND) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 489 | VisitDecl(ND); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 490 | ND->setDeclName(Reader.ReadDeclarationName(F, Record, Idx)); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 491 | AnonymousDeclNumber = Record[Idx++]; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 492 | } |
| 493 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 494 | void ASTDeclReader::VisitTypeDecl(TypeDecl *TD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 495 | VisitNamedDecl(TD); |
Abramo Bagnara | 344577e | 2011-03-06 15:48:19 +0000 | [diff] [blame] | 496 | TD->setLocStart(ReadSourceLocation(Record, Idx)); |
Argyrios Kyrtzidis | d8a0c6f | 2010-07-02 11:55:01 +0000 | [diff] [blame] | 497 | // Delay type reading until after we have fully initialized the decl. |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 498 | TypeIDForTypeDecl = Reader.getGlobalTypeID(F, Record[Idx++]); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 499 | } |
| 500 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 501 | ASTDeclReader::RedeclarableResult |
| 502 | ASTDeclReader::VisitTypedefNameDecl(TypedefNameDecl *TD) { |
Douglas Gregor | da795b4 | 2012-01-04 16:44:10 +0000 | [diff] [blame] | 503 | RedeclarableResult Redecl = VisitRedeclarable(TD); |
Argyrios Kyrtzidis | d8a0c6f | 2010-07-02 11:55:01 +0000 | [diff] [blame] | 504 | VisitTypeDecl(TD); |
Enea Zaffanella | c2fa6b6 | 2013-06-20 12:46:19 +0000 | [diff] [blame] | 505 | TypeSourceInfo *TInfo = GetTypeSourceInfo(Record, Idx); |
| 506 | if (Record[Idx++]) { // isModed |
| 507 | QualType modedT = Reader.readType(F, Record, Idx); |
| 508 | TD->setModedTypeSourceInfo(TInfo, modedT); |
| 509 | } else |
| 510 | TD->setTypeSourceInfo(TInfo); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 511 | return Redecl; |
Douglas Gregor | 0f45682 | 2011-12-19 14:40:25 +0000 | [diff] [blame] | 512 | } |
| 513 | |
| 514 | void ASTDeclReader::VisitTypedefDecl(TypedefDecl *TD) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 515 | RedeclarableResult Redecl = VisitTypedefNameDecl(TD); |
| 516 | mergeRedeclarable(TD, Redecl); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 517 | } |
| 518 | |
Richard Smith | 162e1c1 | 2011-04-15 14:24:37 +0000 | [diff] [blame] | 519 | void ASTDeclReader::VisitTypeAliasDecl(TypeAliasDecl *TD) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 520 | RedeclarableResult Redecl = VisitTypedefNameDecl(TD); |
| 521 | if (auto *Template = ReadDeclAs<TypeAliasTemplateDecl>(Record, Idx)) |
| 522 | // Merged when we merge the template. |
| 523 | TD->setDescribedAliasTemplate(Template); |
| 524 | else |
| 525 | mergeRedeclarable(TD, Redecl); |
Richard Smith | 162e1c1 | 2011-04-15 14:24:37 +0000 | [diff] [blame] | 526 | } |
| 527 | |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 528 | ASTDeclReader::RedeclarableResult ASTDeclReader::VisitTagDecl(TagDecl *TD) { |
Douglas Gregor | 1ca4a5c | 2012-01-03 22:46:00 +0000 | [diff] [blame] | 529 | RedeclarableResult Redecl = VisitRedeclarable(TD); |
Douglas Gregor | d488b3a | 2011-10-26 17:53:41 +0000 | [diff] [blame] | 530 | VisitTypeDecl(TD); |
Douglas Gregor | 1ca4a5c | 2012-01-03 22:46:00 +0000 | [diff] [blame] | 531 | |
Argyrios Kyrtzidis | 6b54151 | 2010-09-08 19:31:22 +0000 | [diff] [blame] | 532 | TD->IdentifierNamespace = Record[Idx++]; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 533 | TD->setTagKind((TagDecl::TagKind)Record[Idx++]); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 534 | if (!isa<CXXRecordDecl>(TD)) |
| 535 | TD->setCompleteDefinition(Record[Idx++]); |
Douglas Gregor | b37b648 | 2010-02-12 17:40:34 +0000 | [diff] [blame] | 536 | TD->setEmbeddedInDeclarator(Record[Idx++]); |
Argyrios Kyrtzidis | 717a20b | 2011-09-30 22:11:31 +0000 | [diff] [blame] | 537 | TD->setFreeStanding(Record[Idx++]); |
David Blaikie | e33a0a8 | 2013-07-14 01:07:41 +0000 | [diff] [blame] | 538 | TD->setCompleteDefinitionRequired(Record[Idx++]); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 539 | TD->setRBraceLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | 1ca4a5c | 2012-01-03 22:46:00 +0000 | [diff] [blame] | 540 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 541 | switch (Record[Idx++]) { |
| 542 | case 0: |
| 543 | break; |
| 544 | case 1: { // ExtInfo |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 545 | TagDecl::ExtInfo *Info = new (Reader.getContext()) TagDecl::ExtInfo(); |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 546 | ReadQualifierInfo(*Info, Record, Idx); |
David Majnemer | aa82461 | 2013-09-17 23:57:10 +0000 | [diff] [blame] | 547 | TD->NamedDeclOrQualifier = Info; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 548 | break; |
| 549 | } |
| 550 | case 2: // TypedefNameForAnonDecl |
| 551 | NamedDeclForTagDecl = ReadDeclID(Record, Idx); |
| 552 | TypedefNameForLinkage = Reader.GetIdentifierInfo(F, Record, Idx); |
| 553 | break; |
| 554 | case 3: // DeclaratorForAnonDecl |
| 555 | NamedDeclForTagDecl = ReadDeclID(Record, Idx); |
| 556 | break; |
| 557 | default: |
| 558 | llvm_unreachable("unexpected tag info kind"); |
| 559 | } |
Douglas Gregor | 1ca4a5c | 2012-01-03 22:46:00 +0000 | [diff] [blame] | 560 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 561 | if (!isa<CXXRecordDecl>(TD)) |
| 562 | mergeRedeclarable(TD, Redecl); |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 563 | return Redecl; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 564 | } |
| 565 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 566 | void ASTDeclReader::VisitEnumDecl(EnumDecl *ED) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 567 | VisitTagDecl(ED); |
Douglas Gregor | 1274ccd | 2010-10-08 23:50:27 +0000 | [diff] [blame] | 568 | if (TypeSourceInfo *TI = Reader.GetTypeSourceInfo(F, Record, Idx)) |
| 569 | ED->setIntegerTypeSourceInfo(TI); |
| 570 | else |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 571 | ED->setIntegerType(Reader.readType(F, Record, Idx)); |
| 572 | ED->setPromotionType(Reader.readType(F, Record, Idx)); |
John McCall | 1b5a618 | 2010-05-06 08:49:23 +0000 | [diff] [blame] | 573 | ED->setNumPositiveBits(Record[Idx++]); |
| 574 | ED->setNumNegativeBits(Record[Idx++]); |
Douglas Gregor | 1274ccd | 2010-10-08 23:50:27 +0000 | [diff] [blame] | 575 | ED->IsScoped = Record[Idx++]; |
Abramo Bagnara | a88cefd | 2010-12-03 18:54:17 +0000 | [diff] [blame] | 576 | ED->IsScopedUsingClassTag = Record[Idx++]; |
Douglas Gregor | 1274ccd | 2010-10-08 23:50:27 +0000 | [diff] [blame] | 577 | ED->IsFixed = Record[Idx++]; |
Richard Smith | f1c66b4 | 2012-03-14 23:13:10 +0000 | [diff] [blame] | 578 | |
Richard Smith | d692a84 | 2013-10-15 22:02:41 +0000 | [diff] [blame] | 579 | // If this is a definition subject to the ODR, and we already have a |
| 580 | // definition, merge this one into it. |
| 581 | if (ED->IsCompleteDefinition && |
| 582 | Reader.getContext().getLangOpts().Modules && |
| 583 | Reader.getContext().getLangOpts().CPlusPlus) { |
| 584 | if (EnumDecl *&OldDef = Reader.EnumDefinitions[ED->getCanonicalDecl()]) { |
| 585 | Reader.MergedDeclContexts.insert(std::make_pair(ED, OldDef)); |
| 586 | ED->IsCompleteDefinition = false; |
| 587 | } else { |
| 588 | OldDef = ED; |
| 589 | } |
| 590 | } |
| 591 | |
Richard Smith | f1c66b4 | 2012-03-14 23:13:10 +0000 | [diff] [blame] | 592 | if (EnumDecl *InstED = ReadDeclAs<EnumDecl>(Record, Idx)) { |
| 593 | TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++]; |
| 594 | SourceLocation POI = ReadSourceLocation(Record, Idx); |
| 595 | ED->setInstantiationOfMemberEnum(Reader.getContext(), InstED, TSK); |
| 596 | ED->getMemberSpecializationInfo()->setPointOfInstantiation(POI); |
| 597 | } |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 598 | } |
| 599 | |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 600 | ASTDeclReader::RedeclarableResult |
| 601 | ASTDeclReader::VisitRecordDeclImpl(RecordDecl *RD) { |
| 602 | RedeclarableResult Redecl = VisitTagDecl(RD); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 603 | RD->setHasFlexibleArrayMember(Record[Idx++]); |
| 604 | RD->setAnonymousStructOrUnion(Record[Idx++]); |
Fariborz Jahanian | 643b7df | 2009-07-08 16:37:44 +0000 | [diff] [blame] | 605 | RD->setHasObjectMember(Record[Idx++]); |
Fariborz Jahanian | 3ac83d6 | 2013-01-25 23:57:05 +0000 | [diff] [blame] | 606 | RD->setHasVolatileMember(Record[Idx++]); |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 607 | return Redecl; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 608 | } |
| 609 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 610 | void ASTDeclReader::VisitValueDecl(ValueDecl *VD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 611 | VisitNamedDecl(VD); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 612 | VD->setType(Reader.readType(F, Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 613 | } |
| 614 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 615 | void ASTDeclReader::VisitEnumConstantDecl(EnumConstantDecl *ECD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 616 | VisitValueDecl(ECD); |
| 617 | if (Record[Idx++]) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 618 | ECD->setInitExpr(Reader.ReadExpr(F)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 619 | ECD->setInitVal(Reader.ReadAPSInt(Record, Idx)); |
Richard Smith | d692a84 | 2013-10-15 22:02:41 +0000 | [diff] [blame] | 620 | mergeMergeable(ECD); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 621 | } |
| 622 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 623 | void ASTDeclReader::VisitDeclaratorDecl(DeclaratorDecl *DD) { |
Argyrios Kyrtzidis | d4a7e54 | 2009-08-19 01:28:35 +0000 | [diff] [blame] | 624 | VisitValueDecl(DD); |
Abramo Bagnara | ff676cb | 2011-03-08 08:55:46 +0000 | [diff] [blame] | 625 | DD->setInnerLocStart(ReadSourceLocation(Record, Idx)); |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 626 | if (Record[Idx++]) { // hasExtInfo |
| 627 | DeclaratorDecl::ExtInfo *Info |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 628 | = new (Reader.getContext()) DeclaratorDecl::ExtInfo(); |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 629 | ReadQualifierInfo(*Info, Record, Idx); |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 630 | DD->DeclInfo = Info; |
Jonathan D. Turner | 953c564 | 2011-06-03 23:11:16 +0000 | [diff] [blame] | 631 | } |
Argyrios Kyrtzidis | d4a7e54 | 2009-08-19 01:28:35 +0000 | [diff] [blame] | 632 | } |
| 633 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 634 | void ASTDeclReader::VisitFunctionDecl(FunctionDecl *FD) { |
Douglas Gregor | 7076281 | 2012-01-04 17:13:46 +0000 | [diff] [blame] | 635 | RedeclarableResult Redecl = VisitRedeclarable(FD); |
Douglas Gregor | d488b3a | 2011-10-26 17:53:41 +0000 | [diff] [blame] | 636 | VisitDeclaratorDecl(FD); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 637 | |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 638 | ReadDeclarationNameLoc(FD->DNLoc, FD->getDeclName(), Record, Idx); |
Argyrios Kyrtzidis | c8f9af2 | 2010-07-05 10:38:01 +0000 | [diff] [blame] | 639 | FD->IdentifierNamespace = Record[Idx++]; |
Douglas Gregor | 7076281 | 2012-01-04 17:13:46 +0000 | [diff] [blame] | 640 | |
| 641 | // FunctionDecl's body is handled last at ASTDeclReader::Visit, |
| 642 | // after everything else is read. |
Rafael Espindola | d2615cc | 2013-04-03 19:27:57 +0000 | [diff] [blame] | 643 | |
Douglas Gregor | 7076281 | 2012-01-04 17:13:46 +0000 | [diff] [blame] | 644 | FD->SClass = (StorageClass)Record[Idx++]; |
Douglas Gregor | 7076281 | 2012-01-04 17:13:46 +0000 | [diff] [blame] | 645 | FD->IsInline = Record[Idx++]; |
| 646 | FD->IsInlineSpecified = Record[Idx++]; |
| 647 | FD->IsVirtualAsWritten = Record[Idx++]; |
| 648 | FD->IsPure = Record[Idx++]; |
| 649 | FD->HasInheritedPrototype = Record[Idx++]; |
| 650 | FD->HasWrittenPrototype = Record[Idx++]; |
| 651 | FD->IsDeleted = Record[Idx++]; |
| 652 | FD->IsTrivial = Record[Idx++]; |
| 653 | FD->IsDefaulted = Record[Idx++]; |
| 654 | FD->IsExplicitlyDefaulted = Record[Idx++]; |
| 655 | FD->HasImplicitReturnZero = Record[Idx++]; |
| 656 | FD->IsConstexpr = Record[Idx++]; |
Argyrios Kyrtzidis | 35f3f36 | 2012-12-06 18:59:10 +0000 | [diff] [blame] | 657 | FD->HasSkippedBody = Record[Idx++]; |
Richard Smith | ac32d90 | 2013-08-07 21:41:30 +0000 | [diff] [blame] | 658 | FD->IsLateTemplateParsed = Record[Idx++]; |
Rafael Espindola | a99ecbc | 2013-05-25 17:16:20 +0000 | [diff] [blame] | 659 | FD->setCachedLinkage(Linkage(Record[Idx++])); |
Douglas Gregor | 7076281 | 2012-01-04 17:13:46 +0000 | [diff] [blame] | 660 | FD->EndRangeLoc = ReadSourceLocation(Record, Idx); |
| 661 | |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 662 | switch ((FunctionDecl::TemplatedKind)Record[Idx++]) { |
| 663 | case FunctionDecl::TK_NonTemplate: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 664 | mergeRedeclarable(FD, Redecl); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 665 | break; |
| 666 | case FunctionDecl::TK_FunctionTemplate: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 667 | // Merged when we merge the template. |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 668 | FD->setDescribedFunctionTemplate(ReadDeclAs<FunctionTemplateDecl>(Record, |
| 669 | Idx)); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 670 | break; |
| 671 | case FunctionDecl::TK_MemberSpecialization: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 672 | FunctionDecl *InstFD = ReadDeclAs<FunctionDecl>(Record, Idx); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 673 | TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++]; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 674 | SourceLocation POI = ReadSourceLocation(Record, Idx); |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 675 | FD->setInstantiationOfMemberFunction(Reader.getContext(), InstFD, TSK); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 676 | FD->getMemberSpecializationInfo()->setPointOfInstantiation(POI); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 677 | mergeRedeclarable(FD, Redecl); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 678 | break; |
| 679 | } |
| 680 | case FunctionDecl::TK_FunctionTemplateSpecialization: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 681 | FunctionTemplateDecl *Template = ReadDeclAs<FunctionTemplateDecl>(Record, |
| 682 | Idx); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 683 | TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++]; |
| 684 | |
| 685 | // Template arguments. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 686 | SmallVector<TemplateArgument, 8> TemplArgs; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 687 | Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 688 | |
| 689 | // Template args as written. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 690 | SmallVector<TemplateArgumentLoc, 8> TemplArgLocs; |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 691 | SourceLocation LAngleLoc, RAngleLoc; |
Argyrios Kyrtzidis | 71a7605 | 2011-09-22 20:07:09 +0000 | [diff] [blame] | 692 | bool HasTemplateArgumentsAsWritten = Record[Idx++]; |
| 693 | if (HasTemplateArgumentsAsWritten) { |
Argyrios Kyrtzidis | 5efb06f | 2010-07-02 11:55:40 +0000 | [diff] [blame] | 694 | unsigned NumTemplateArgLocs = Record[Idx++]; |
| 695 | TemplArgLocs.reserve(NumTemplateArgLocs); |
| 696 | for (unsigned i=0; i != NumTemplateArgLocs; ++i) |
Sebastian Redl | 577d479 | 2010-07-22 22:43:28 +0000 | [diff] [blame] | 697 | TemplArgLocs.push_back( |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 698 | Reader.ReadTemplateArgumentLoc(F, Record, Idx)); |
Argyrios Kyrtzidis | 5efb06f | 2010-07-02 11:55:40 +0000 | [diff] [blame] | 699 | |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 700 | LAngleLoc = ReadSourceLocation(Record, Idx); |
| 701 | RAngleLoc = ReadSourceLocation(Record, Idx); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 702 | } |
Argyrios Kyrtzidis | 7b081c8 | 2010-07-05 10:37:55 +0000 | [diff] [blame] | 703 | |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 704 | SourceLocation POI = ReadSourceLocation(Record, Idx); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 705 | |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 706 | ASTContext &C = Reader.getContext(); |
Argyrios Kyrtzidis | a626a3d | 2010-09-09 11:28:23 +0000 | [diff] [blame] | 707 | TemplateArgumentList *TemplArgList |
Douglas Gregor | 910f800 | 2010-11-07 23:05:16 +0000 | [diff] [blame] | 708 | = TemplateArgumentList::CreateCopy(C, TemplArgs.data(), TemplArgs.size()); |
Argyrios Kyrtzidis | 71a7605 | 2011-09-22 20:07:09 +0000 | [diff] [blame] | 709 | TemplateArgumentListInfo TemplArgsInfo(LAngleLoc, RAngleLoc); |
Argyrios Kyrtzidis | a626a3d | 2010-09-09 11:28:23 +0000 | [diff] [blame] | 710 | for (unsigned i=0, e = TemplArgLocs.size(); i != e; ++i) |
Argyrios Kyrtzidis | 71a7605 | 2011-09-22 20:07:09 +0000 | [diff] [blame] | 711 | TemplArgsInfo.addArgument(TemplArgLocs[i]); |
Argyrios Kyrtzidis | a626a3d | 2010-09-09 11:28:23 +0000 | [diff] [blame] | 712 | FunctionTemplateSpecializationInfo *FTInfo |
| 713 | = FunctionTemplateSpecializationInfo::Create(C, FD, Template, TSK, |
| 714 | TemplArgList, |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 715 | HasTemplateArgumentsAsWritten ? &TemplArgsInfo |
| 716 | : nullptr, |
Argyrios Kyrtzidis | 71a7605 | 2011-09-22 20:07:09 +0000 | [diff] [blame] | 717 | POI); |
Argyrios Kyrtzidis | a626a3d | 2010-09-09 11:28:23 +0000 | [diff] [blame] | 718 | FD->TemplateOrSpecialization = FTInfo; |
Argyrios Kyrtzidis | 6b54151 | 2010-09-08 19:31:22 +0000 | [diff] [blame] | 719 | |
Argyrios Kyrtzidis | a626a3d | 2010-09-09 11:28:23 +0000 | [diff] [blame] | 720 | if (FD->isCanonicalDecl()) { // if canonical add to template's set. |
Argyrios Kyrtzidis | 99a8ca0 | 2010-09-13 11:45:48 +0000 | [diff] [blame] | 721 | // The template that contains the specializations set. It's not safe to |
| 722 | // use getCanonicalDecl on Template since it may still be initializing. |
| 723 | FunctionTemplateDecl *CanonTemplate |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 724 | = ReadDeclAs<FunctionTemplateDecl>(Record, Idx); |
Argyrios Kyrtzidis | a626a3d | 2010-09-09 11:28:23 +0000 | [diff] [blame] | 725 | // Get the InsertPos by FindNodeOrInsertPos() instead of calling |
| 726 | // InsertNode(FTInfo) directly to avoid the getASTContext() call in |
| 727 | // FunctionTemplateSpecializationInfo's Profile(). |
| 728 | // We avoid getASTContext because a decl in the parent hierarchy may |
| 729 | // be initializing. |
Argyrios Kyrtzidis | 6b54151 | 2010-09-08 19:31:22 +0000 | [diff] [blame] | 730 | llvm::FoldingSetNodeID ID; |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 731 | FunctionTemplateSpecializationInfo::Profile(ID, TemplArgs, C); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 732 | void *InsertPos = nullptr; |
Richard Smith | 6982bf4 | 2013-06-28 04:37:53 +0000 | [diff] [blame] | 733 | FunctionTemplateDecl::Common *CommonPtr = CanonTemplate->getCommonPtr(); |
| 734 | CommonPtr->Specializations.FindNodeOrInsertPos(ID, InsertPos); |
Argyrios Kyrtzidis | 73c87d0 | 2012-09-10 23:28:22 +0000 | [diff] [blame] | 735 | if (InsertPos) |
Richard Smith | 6982bf4 | 2013-06-28 04:37:53 +0000 | [diff] [blame] | 736 | CommonPtr->Specializations.InsertNode(FTInfo, InsertPos); |
| 737 | else { |
| 738 | assert(Reader.getContext().getLangOpts().Modules && |
| 739 | "already deserialized this template specialization"); |
| 740 | // FIXME: This specialization is a redeclaration of one from another |
| 741 | // module. Merge it. |
| 742 | } |
Argyrios Kyrtzidis | 6b54151 | 2010-09-08 19:31:22 +0000 | [diff] [blame] | 743 | } |
Argyrios Kyrtzidis | dc767e3 | 2010-06-28 09:31:34 +0000 | [diff] [blame] | 744 | break; |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 745 | } |
| 746 | case FunctionDecl::TK_DependentFunctionTemplateSpecialization: { |
| 747 | // Templates. |
| 748 | UnresolvedSet<8> TemplDecls; |
| 749 | unsigned NumTemplates = Record[Idx++]; |
| 750 | while (NumTemplates--) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 751 | TemplDecls.addDecl(ReadDeclAs<NamedDecl>(Record, Idx)); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 752 | |
| 753 | // Templates args. |
| 754 | TemplateArgumentListInfo TemplArgs; |
| 755 | unsigned NumArgs = Record[Idx++]; |
| 756 | while (NumArgs--) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 757 | TemplArgs.addArgument(Reader.ReadTemplateArgumentLoc(F, Record, Idx)); |
| 758 | TemplArgs.setLAngleLoc(ReadSourceLocation(Record, Idx)); |
| 759 | TemplArgs.setRAngleLoc(ReadSourceLocation(Record, Idx)); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 760 | |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 761 | FD->setDependentTemplateSpecialization(Reader.getContext(), |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 762 | TemplDecls, TemplArgs); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 763 | |
| 764 | // FIXME: Merging. |
Argyrios Kyrtzidis | dc767e3 | 2010-06-28 09:31:34 +0000 | [diff] [blame] | 765 | break; |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 766 | } |
| 767 | } |
Argyrios Kyrtzidis | 5efb06f | 2010-07-02 11:55:40 +0000 | [diff] [blame] | 768 | |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 769 | // Read in the parameters. |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 770 | unsigned NumParams = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 771 | SmallVector<ParmVarDecl *, 16> Params; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 772 | Params.reserve(NumParams); |
| 773 | for (unsigned I = 0; I != NumParams; ++I) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 774 | Params.push_back(ReadDeclAs<ParmVarDecl>(Record, Idx)); |
David Blaikie | 4278c65 | 2011-09-21 18:16:56 +0000 | [diff] [blame] | 775 | FD->setParams(Reader.getContext(), Params); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 776 | } |
| 777 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 778 | void ASTDeclReader::VisitObjCMethodDecl(ObjCMethodDecl *MD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 779 | VisitNamedDecl(MD); |
| 780 | if (Record[Idx++]) { |
Douglas Gregor | 5456b0fe | 2012-10-09 17:21:28 +0000 | [diff] [blame] | 781 | // Load the body on-demand. Most clients won't care, because method |
| 782 | // definitions rarely show up in headers. |
| 783 | Reader.PendingBodies[MD] = GetCurrentCursorOffset(); |
| 784 | HasPendingBody = true; |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 785 | MD->setSelfDecl(ReadDeclAs<ImplicitParamDecl>(Record, Idx)); |
| 786 | MD->setCmdDecl(ReadDeclAs<ImplicitParamDecl>(Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 787 | } |
| 788 | MD->setInstanceMethod(Record[Idx++]); |
| 789 | MD->setVariadic(Record[Idx++]); |
Jordan Rose | 1e4691b | 2012-10-10 16:42:25 +0000 | [diff] [blame] | 790 | MD->setPropertyAccessor(Record[Idx++]); |
Fariborz Jahanian | 3fe1041 | 2010-07-22 18:24:20 +0000 | [diff] [blame] | 791 | MD->setDefined(Record[Idx++]); |
Argyrios Kyrtzidis | e15db6f | 2012-05-09 16:12:57 +0000 | [diff] [blame] | 792 | MD->IsOverriding = Record[Idx++]; |
Argyrios Kyrtzidis | 35f3f36 | 2012-12-06 18:59:10 +0000 | [diff] [blame] | 793 | MD->HasSkippedBody = Record[Idx++]; |
Argyrios Kyrtzidis | 72b2625 | 2011-10-14 17:41:52 +0000 | [diff] [blame] | 794 | |
| 795 | MD->IsRedeclaration = Record[Idx++]; |
| 796 | MD->HasRedeclaration = Record[Idx++]; |
| 797 | if (MD->HasRedeclaration) |
| 798 | Reader.getContext().setObjCMethodRedeclaration(MD, |
| 799 | ReadDeclAs<ObjCMethodDecl>(Record, Idx)); |
| 800 | |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 801 | MD->setDeclImplementation((ObjCMethodDecl::ImplementationControl)Record[Idx++]); |
| 802 | MD->setObjCDeclQualifier((Decl::ObjCDeclQualifier)Record[Idx++]); |
Douglas Gregor | 926df6c | 2011-06-11 01:09:30 +0000 | [diff] [blame] | 803 | MD->SetRelatedResultType(Record[Idx++]); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 804 | MD->setReturnType(Reader.readType(F, Record, Idx)); |
| 805 | MD->setReturnTypeSourceInfo(GetTypeSourceInfo(Record, Idx)); |
Argyrios Kyrtzidis | a0cff72 | 2012-06-16 00:46:02 +0000 | [diff] [blame] | 806 | MD->DeclEndLoc = ReadSourceLocation(Record, Idx); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 807 | unsigned NumParams = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 808 | SmallVector<ParmVarDecl *, 16> Params; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 809 | Params.reserve(NumParams); |
| 810 | for (unsigned I = 0; I != NumParams; ++I) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 811 | Params.push_back(ReadDeclAs<ParmVarDecl>(Record, Idx)); |
Argyrios Kyrtzidis | 491306a | 2011-10-03 06:37:04 +0000 | [diff] [blame] | 812 | |
| 813 | MD->SelLocsKind = Record[Idx++]; |
| 814 | unsigned NumStoredSelLocs = Record[Idx++]; |
| 815 | SmallVector<SourceLocation, 16> SelLocs; |
| 816 | SelLocs.reserve(NumStoredSelLocs); |
| 817 | for (unsigned i = 0; i != NumStoredSelLocs; ++i) |
| 818 | SelLocs.push_back(ReadSourceLocation(Record, Idx)); |
| 819 | |
| 820 | MD->setParamsAndSelLocs(Reader.getContext(), Params, SelLocs); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 821 | } |
| 822 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 823 | void ASTDeclReader::VisitObjCContainerDecl(ObjCContainerDecl *CD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 824 | VisitNamedDecl(CD); |
Argyrios Kyrtzidis | 1711fc9 | 2011-10-04 04:48:02 +0000 | [diff] [blame] | 825 | CD->setAtStartLoc(ReadSourceLocation(Record, Idx)); |
| 826 | CD->setAtEndRange(ReadSourceRange(Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 827 | } |
| 828 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 829 | void ASTDeclReader::VisitObjCInterfaceDecl(ObjCInterfaceDecl *ID) { |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 830 | RedeclarableResult Redecl = VisitRedeclarable(ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 831 | VisitObjCContainerDecl(ID); |
Douglas Gregor | 0af5501 | 2011-12-16 03:12:41 +0000 | [diff] [blame] | 832 | TypeIDForTypeDecl = Reader.getGlobalTypeID(F, Record[Idx++]); |
Douglas Gregor | dea22cc | 2012-01-03 17:27:13 +0000 | [diff] [blame] | 833 | mergeRedeclarable(ID, Redecl); |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 834 | |
Douglas Gregor | c23f857 | 2012-01-15 18:17:48 +0000 | [diff] [blame] | 835 | if (Record[Idx++]) { |
Douglas Gregor | 2e5c15b | 2011-12-15 05:27:12 +0000 | [diff] [blame] | 836 | // Read the definition. |
| 837 | ID->allocateDefinitionData(); |
| 838 | |
Douglas Gregor | cc32b44 | 2012-01-15 18:08:05 +0000 | [diff] [blame] | 839 | // Set the definition data of the canonical declaration, so other |
| 840 | // redeclarations will see it. |
| 841 | ID->getCanonicalDecl()->Data = ID->Data; |
| 842 | |
Douglas Gregor | 2e5c15b | 2011-12-15 05:27:12 +0000 | [diff] [blame] | 843 | ObjCInterfaceDecl::DefinitionData &Data = ID->data(); |
| 844 | |
| 845 | // Read the superclass. |
| 846 | Data.SuperClass = ReadDeclAs<ObjCInterfaceDecl>(Record, Idx); |
| 847 | Data.SuperClassLoc = ReadSourceLocation(Record, Idx); |
| 848 | |
Douglas Gregor | 05c272f | 2011-12-15 22:34:59 +0000 | [diff] [blame] | 849 | Data.EndLoc = ReadSourceLocation(Record, Idx); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 850 | Data.HasDesignatedInitializers = Record[Idx++]; |
Douglas Gregor | 05c272f | 2011-12-15 22:34:59 +0000 | [diff] [blame] | 851 | |
Douglas Gregor | 2e5c15b | 2011-12-15 05:27:12 +0000 | [diff] [blame] | 852 | // Read the directly referenced protocols and their SourceLocations. |
| 853 | unsigned NumProtocols = Record[Idx++]; |
| 854 | SmallVector<ObjCProtocolDecl *, 16> Protocols; |
| 855 | Protocols.reserve(NumProtocols); |
| 856 | for (unsigned I = 0; I != NumProtocols; ++I) |
| 857 | Protocols.push_back(ReadDeclAs<ObjCProtocolDecl>(Record, Idx)); |
| 858 | SmallVector<SourceLocation, 16> ProtoLocs; |
| 859 | ProtoLocs.reserve(NumProtocols); |
| 860 | for (unsigned I = 0; I != NumProtocols; ++I) |
| 861 | ProtoLocs.push_back(ReadSourceLocation(Record, Idx)); |
| 862 | ID->setProtocolList(Protocols.data(), NumProtocols, ProtoLocs.data(), |
| 863 | Reader.getContext()); |
Ted Kremenek | 53b9441 | 2010-09-01 01:21:15 +0000 | [diff] [blame] | 864 | |
Douglas Gregor | 2e5c15b | 2011-12-15 05:27:12 +0000 | [diff] [blame] | 865 | // Read the transitive closure of protocols referenced by this class. |
| 866 | NumProtocols = Record[Idx++]; |
| 867 | Protocols.clear(); |
| 868 | Protocols.reserve(NumProtocols); |
| 869 | for (unsigned I = 0; I != NumProtocols; ++I) |
| 870 | Protocols.push_back(ReadDeclAs<ObjCProtocolDecl>(Record, Idx)); |
| 871 | ID->data().AllReferencedProtocols.set(Protocols.data(), NumProtocols, |
| 872 | Reader.getContext()); |
Ted Kremenek | 53b9441 | 2010-09-01 01:21:15 +0000 | [diff] [blame] | 873 | |
Douglas Gregor | 2e5c15b | 2011-12-15 05:27:12 +0000 | [diff] [blame] | 874 | // We will rebuild this list lazily. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 875 | ID->setIvarList(nullptr); |
| 876 | |
Douglas Gregor | 21cf08b | 2011-12-19 20:51:16 +0000 | [diff] [blame] | 877 | // Note that we have deserialized a definition. |
| 878 | Reader.PendingDefinitions.insert(ID); |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 879 | |
| 880 | // Note that we've loaded this Objective-C class. |
| 881 | Reader.ObjCClassesLoaded.push_back(ID); |
Douglas Gregor | cc32b44 | 2012-01-15 18:08:05 +0000 | [diff] [blame] | 882 | } else { |
| 883 | ID->Data = ID->getCanonicalDecl()->Data; |
Douglas Gregor | 2e5c15b | 2011-12-15 05:27:12 +0000 | [diff] [blame] | 884 | } |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 885 | } |
| 886 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 887 | void ASTDeclReader::VisitObjCIvarDecl(ObjCIvarDecl *IVD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 888 | VisitFieldDecl(IVD); |
| 889 | IVD->setAccessControl((ObjCIvarDecl::AccessControl)Record[Idx++]); |
Fariborz Jahanian | 2c18bb7 | 2010-08-20 21:21:08 +0000 | [diff] [blame] | 890 | // This field will be built lazily. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 891 | IVD->setNextIvar(nullptr); |
Fariborz Jahanian | ac0021b | 2010-07-17 18:35:47 +0000 | [diff] [blame] | 892 | bool synth = Record[Idx++]; |
| 893 | IVD->setSynthesize(synth); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 894 | } |
| 895 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 896 | void ASTDeclReader::VisitObjCProtocolDecl(ObjCProtocolDecl *PD) { |
Douglas Gregor | dba9361 | 2012-01-01 21:47:52 +0000 | [diff] [blame] | 897 | RedeclarableResult Redecl = VisitRedeclarable(PD); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 898 | VisitObjCContainerDecl(PD); |
Douglas Gregor | dea22cc | 2012-01-03 17:27:13 +0000 | [diff] [blame] | 899 | mergeRedeclarable(PD, Redecl); |
Douglas Gregor | dba9361 | 2012-01-01 21:47:52 +0000 | [diff] [blame] | 900 | |
Douglas Gregor | c23f857 | 2012-01-15 18:17:48 +0000 | [diff] [blame] | 901 | if (Record[Idx++]) { |
Douglas Gregor | 5e2a1ff | 2012-01-01 19:29:29 +0000 | [diff] [blame] | 902 | // Read the definition. |
| 903 | PD->allocateDefinitionData(); |
| 904 | |
Douglas Gregor | cc32b44 | 2012-01-15 18:08:05 +0000 | [diff] [blame] | 905 | // Set the definition data of the canonical declaration, so other |
| 906 | // redeclarations will see it. |
| 907 | PD->getCanonicalDecl()->Data = PD->Data; |
| 908 | |
Douglas Gregor | 5e2a1ff | 2012-01-01 19:29:29 +0000 | [diff] [blame] | 909 | unsigned NumProtoRefs = Record[Idx++]; |
| 910 | SmallVector<ObjCProtocolDecl *, 16> ProtoRefs; |
| 911 | ProtoRefs.reserve(NumProtoRefs); |
| 912 | for (unsigned I = 0; I != NumProtoRefs; ++I) |
| 913 | ProtoRefs.push_back(ReadDeclAs<ObjCProtocolDecl>(Record, Idx)); |
| 914 | SmallVector<SourceLocation, 16> ProtoLocs; |
| 915 | ProtoLocs.reserve(NumProtoRefs); |
| 916 | for (unsigned I = 0; I != NumProtoRefs; ++I) |
| 917 | ProtoLocs.push_back(ReadSourceLocation(Record, Idx)); |
| 918 | PD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(), |
| 919 | Reader.getContext()); |
| 920 | |
Douglas Gregor | 1d784b2 | 2012-01-01 19:51:50 +0000 | [diff] [blame] | 921 | // Note that we have deserialized a definition. |
| 922 | Reader.PendingDefinitions.insert(PD); |
Douglas Gregor | cc32b44 | 2012-01-15 18:08:05 +0000 | [diff] [blame] | 923 | } else { |
| 924 | PD->Data = PD->getCanonicalDecl()->Data; |
Douglas Gregor | 5e2a1ff | 2012-01-01 19:29:29 +0000 | [diff] [blame] | 925 | } |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 926 | } |
| 927 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 928 | void ASTDeclReader::VisitObjCAtDefsFieldDecl(ObjCAtDefsFieldDecl *FD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 929 | VisitFieldDecl(FD); |
| 930 | } |
| 931 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 932 | void ASTDeclReader::VisitObjCCategoryDecl(ObjCCategoryDecl *CD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 933 | VisitObjCContainerDecl(CD); |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 934 | CD->setCategoryNameLoc(ReadSourceLocation(Record, Idx)); |
Fariborz Jahanian | af30029 | 2012-02-20 20:09:20 +0000 | [diff] [blame] | 935 | CD->setIvarLBraceLoc(ReadSourceLocation(Record, Idx)); |
| 936 | CD->setIvarRBraceLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 937 | |
| 938 | // Note that this category has been deserialized. We do this before |
| 939 | // deserializing the interface declaration, so that it will consider this |
| 940 | /// category. |
| 941 | Reader.CategoriesDeserialized.insert(CD); |
| 942 | |
Argyrios Kyrtzidis | 955fadb | 2011-08-30 19:43:26 +0000 | [diff] [blame] | 943 | CD->ClassInterface = ReadDeclAs<ObjCInterfaceDecl>(Record, Idx); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 944 | unsigned NumProtoRefs = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 945 | SmallVector<ObjCProtocolDecl *, 16> ProtoRefs; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 946 | ProtoRefs.reserve(NumProtoRefs); |
| 947 | for (unsigned I = 0; I != NumProtoRefs; ++I) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 948 | ProtoRefs.push_back(ReadDeclAs<ObjCProtocolDecl>(Record, Idx)); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 949 | SmallVector<SourceLocation, 16> ProtoLocs; |
Douglas Gregor | 18df52b | 2010-01-16 15:02:53 +0000 | [diff] [blame] | 950 | ProtoLocs.reserve(NumProtoRefs); |
| 951 | for (unsigned I = 0; I != NumProtoRefs; ++I) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 952 | ProtoLocs.push_back(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | 18df52b | 2010-01-16 15:02:53 +0000 | [diff] [blame] | 953 | CD->setProtocolList(ProtoRefs.data(), NumProtoRefs, ProtoLocs.data(), |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 954 | Reader.getContext()); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 955 | } |
| 956 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 957 | void ASTDeclReader::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *CAD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 958 | VisitNamedDecl(CAD); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 959 | CAD->setClassInterface(ReadDeclAs<ObjCInterfaceDecl>(Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 960 | } |
| 961 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 962 | void ASTDeclReader::VisitObjCPropertyDecl(ObjCPropertyDecl *D) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 963 | VisitNamedDecl(D); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 964 | D->setAtLoc(ReadSourceLocation(Record, Idx)); |
Fariborz Jahanian | 77bfb8b | 2012-02-29 22:18:55 +0000 | [diff] [blame] | 965 | D->setLParenLoc(ReadSourceLocation(Record, Idx)); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 966 | D->setType(GetTypeSourceInfo(Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 967 | // FIXME: stable encoding |
| 968 | D->setPropertyAttributes( |
| 969 | (ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]); |
Fariborz Jahanian | 80aa1cd | 2010-06-22 23:20:40 +0000 | [diff] [blame] | 970 | D->setPropertyAttributesAsWritten( |
| 971 | (ObjCPropertyDecl::PropertyAttributeKind)Record[Idx++]); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 972 | // FIXME: stable encoding |
| 973 | D->setPropertyImplementation( |
| 974 | (ObjCPropertyDecl::PropertyControl)Record[Idx++]); |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 975 | D->setGetterName(Reader.ReadDeclarationName(F,Record, Idx).getObjCSelector()); |
| 976 | D->setSetterName(Reader.ReadDeclarationName(F,Record, Idx).getObjCSelector()); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 977 | D->setGetterMethodDecl(ReadDeclAs<ObjCMethodDecl>(Record, Idx)); |
| 978 | D->setSetterMethodDecl(ReadDeclAs<ObjCMethodDecl>(Record, Idx)); |
| 979 | D->setPropertyIvarDecl(ReadDeclAs<ObjCIvarDecl>(Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 980 | } |
| 981 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 982 | void ASTDeclReader::VisitObjCImplDecl(ObjCImplDecl *D) { |
Argyrios Kyrtzidis | aecae62 | 2009-07-27 19:04:32 +0000 | [diff] [blame] | 983 | VisitObjCContainerDecl(D); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 984 | D->setClassInterface(ReadDeclAs<ObjCInterfaceDecl>(Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 985 | } |
| 986 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 987 | void ASTDeclReader::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 988 | VisitObjCImplDecl(D); |
Douglas Gregor | 95eab17 | 2011-07-28 20:55:49 +0000 | [diff] [blame] | 989 | D->setIdentifier(Reader.GetIdentifierInfo(F, Record, Idx)); |
Argyrios Kyrtzidis | c699400 | 2011-12-09 00:31:40 +0000 | [diff] [blame] | 990 | D->CategoryNameLoc = ReadSourceLocation(Record, Idx); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 991 | } |
| 992 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 993 | void ASTDeclReader::VisitObjCImplementationDecl(ObjCImplementationDecl *D) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 994 | VisitObjCImplDecl(D); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 995 | D->setSuperClass(ReadDeclAs<ObjCInterfaceDecl>(Record, Idx)); |
Argyrios Kyrtzidis | 634c563 | 2013-05-03 18:05:44 +0000 | [diff] [blame] | 996 | D->SuperLoc = ReadSourceLocation(Record, Idx); |
Fariborz Jahanian | af30029 | 2012-02-20 20:09:20 +0000 | [diff] [blame] | 997 | D->setIvarLBraceLoc(ReadSourceLocation(Record, Idx)); |
| 998 | D->setIvarRBraceLoc(ReadSourceLocation(Record, Idx)); |
John McCall | b03527a | 2012-10-17 04:53:31 +0000 | [diff] [blame] | 999 | D->setHasNonZeroConstructors(Record[Idx++]); |
| 1000 | D->setHasDestructors(Record[Idx++]); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1001 | D->NumIvarInitializers = Record[Idx++]; |
| 1002 | if (D->NumIvarInitializers) |
| 1003 | D->IvarInitializers = Reader.ReadCXXCtorInitializersRef(F, Record, Idx); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1004 | } |
| 1005 | |
| 1006 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1007 | void ASTDeclReader::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1008 | VisitDecl(D); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1009 | D->setAtLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1010 | D->setPropertyDecl(ReadDeclAs<ObjCPropertyDecl>(Record, Idx)); |
| 1011 | D->PropertyIvarDecl = ReadDeclAs<ObjCIvarDecl>(Record, Idx); |
Douglas Gregor | a4ffd85 | 2010-11-17 01:03:52 +0000 | [diff] [blame] | 1012 | D->IvarLoc = ReadSourceLocation(Record, Idx); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1013 | D->setGetterCXXConstructor(Reader.ReadExpr(F)); |
| 1014 | D->setSetterCXXAssignment(Reader.ReadExpr(F)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1015 | } |
| 1016 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1017 | void ASTDeclReader::VisitFieldDecl(FieldDecl *FD) { |
Argyrios Kyrtzidis | d4a7e54 | 2009-08-19 01:28:35 +0000 | [diff] [blame] | 1018 | VisitDeclaratorDecl(FD); |
Richard Smith | ca52330 | 2012-06-10 03:12:00 +0000 | [diff] [blame] | 1019 | FD->Mutable = Record[Idx++]; |
| 1020 | if (int BitWidthOrInitializer = Record[Idx++]) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1021 | FD->InitStorage.setInt( |
| 1022 | static_cast<FieldDecl::InitStorageKind>(BitWidthOrInitializer - 1)); |
| 1023 | if (FD->InitStorage.getInt() == FieldDecl::ISK_CapturedVLAType) { |
| 1024 | // Read captured variable length array. |
| 1025 | FD->InitStorage.setPointer( |
| 1026 | Reader.readType(F, Record, Idx).getAsOpaquePtr()); |
| 1027 | } else { |
| 1028 | FD->InitStorage.setPointer(Reader.ReadExpr(F)); |
| 1029 | } |
Richard Smith | ca52330 | 2012-06-10 03:12:00 +0000 | [diff] [blame] | 1030 | } |
Argyrios Kyrtzidis | c91e9f4 | 2010-07-04 21:44:35 +0000 | [diff] [blame] | 1031 | if (!FD->getDeclName()) { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1032 | if (FieldDecl *Tmpl = ReadDeclAs<FieldDecl>(Record, Idx)) |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 1033 | Reader.getContext().setInstantiatedFromUnnamedFieldDecl(FD, Tmpl); |
Argyrios Kyrtzidis | c91e9f4 | 2010-07-04 21:44:35 +0000 | [diff] [blame] | 1034 | } |
Richard Smith | 4ed0122 | 2013-10-07 08:02:11 +0000 | [diff] [blame] | 1035 | mergeMergeable(FD); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1036 | } |
| 1037 | |
John McCall | 76da55d | 2013-04-16 07:28:30 +0000 | [diff] [blame] | 1038 | void ASTDeclReader::VisitMSPropertyDecl(MSPropertyDecl *PD) { |
| 1039 | VisitDeclaratorDecl(PD); |
| 1040 | PD->GetterId = Reader.GetIdentifierInfo(F, Record, Idx); |
| 1041 | PD->SetterId = Reader.GetIdentifierInfo(F, Record, Idx); |
| 1042 | } |
| 1043 | |
Francois Pichet | 87c2e12 | 2010-11-21 06:08:52 +0000 | [diff] [blame] | 1044 | void ASTDeclReader::VisitIndirectFieldDecl(IndirectFieldDecl *FD) { |
| 1045 | VisitValueDecl(FD); |
| 1046 | |
| 1047 | FD->ChainingSize = Record[Idx++]; |
| 1048 | assert(FD->ChainingSize >= 2 && "Anonymous chaining must be >= 2"); |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 1049 | FD->Chaining = new (Reader.getContext())NamedDecl*[FD->ChainingSize]; |
Francois Pichet | 87c2e12 | 2010-11-21 06:08:52 +0000 | [diff] [blame] | 1050 | |
| 1051 | for (unsigned I = 0; I != FD->ChainingSize; ++I) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1052 | FD->Chaining[I] = ReadDeclAs<NamedDecl>(Record, Idx); |
Francois Pichet | 87c2e12 | 2010-11-21 06:08:52 +0000 | [diff] [blame] | 1053 | } |
| 1054 | |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 1055 | ASTDeclReader::RedeclarableResult ASTDeclReader::VisitVarDeclImpl(VarDecl *VD) { |
Douglas Gregor | 4791fa2 | 2012-01-04 17:21:36 +0000 | [diff] [blame] | 1056 | RedeclarableResult Redecl = VisitRedeclarable(VD); |
Douglas Gregor | d488b3a | 2011-10-26 17:53:41 +0000 | [diff] [blame] | 1057 | VisitDeclaratorDecl(VD); |
Rafael Espindola | d2615cc | 2013-04-03 19:27:57 +0000 | [diff] [blame] | 1058 | |
John McCall | f1e4fbf | 2011-05-01 02:13:58 +0000 | [diff] [blame] | 1059 | VD->VarDeclBits.SClass = (StorageClass)Record[Idx++]; |
Enea Zaffanella | dc17384 | 2013-05-04 08:27:07 +0000 | [diff] [blame] | 1060 | VD->VarDeclBits.TSCSpec = Record[Idx++]; |
Sebastian Redl | 5b9cc5d | 2012-02-11 23:51:47 +0000 | [diff] [blame] | 1061 | VD->VarDeclBits.InitStyle = Record[Idx++]; |
John McCall | f1e4fbf | 2011-05-01 02:13:58 +0000 | [diff] [blame] | 1062 | VD->VarDeclBits.ExceptionVar = Record[Idx++]; |
| 1063 | VD->VarDeclBits.NRVOVariable = Record[Idx++]; |
| 1064 | VD->VarDeclBits.CXXForRangeDecl = Record[Idx++]; |
John McCall | 7acddac | 2011-06-17 06:42:21 +0000 | [diff] [blame] | 1065 | VD->VarDeclBits.ARCPseudoStrong = Record[Idx++]; |
Douglas Gregor | 67d45ec | 2012-09-20 23:43:29 +0000 | [diff] [blame] | 1066 | VD->VarDeclBits.IsConstexpr = Record[Idx++]; |
Richard Smith | 04fa7a3 | 2013-09-28 04:02:39 +0000 | [diff] [blame] | 1067 | VD->VarDeclBits.IsInitCapture = Record[Idx++]; |
Richard Smith | dd9459f | 2013-08-13 18:18:50 +0000 | [diff] [blame] | 1068 | VD->VarDeclBits.PreviousDeclInSameBlockScope = Record[Idx++]; |
Richard Smith | a41c97a | 2013-09-20 01:15:31 +0000 | [diff] [blame] | 1069 | Linkage VarLinkage = Linkage(Record[Idx++]); |
| 1070 | VD->setCachedLinkage(VarLinkage); |
| 1071 | |
| 1072 | // Reconstruct the one piece of the IdentifierNamespace that we need. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1073 | if (VD->getStorageClass() == SC_Extern && VarLinkage != NoLinkage && |
Richard Smith | a41c97a | 2013-09-20 01:15:31 +0000 | [diff] [blame] | 1074 | VD->getLexicalDeclContext()->isFunctionOrMethod()) |
| 1075 | VD->setLocalExternDecl(); |
Rafael Espindola | a99ecbc | 2013-05-25 17:16:20 +0000 | [diff] [blame] | 1076 | |
Richard Smith | 099e7f6 | 2011-12-19 06:19:21 +0000 | [diff] [blame] | 1077 | if (uint64_t Val = Record[Idx++]) { |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1078 | VD->setInit(Reader.ReadExpr(F)); |
Richard Smith | 099e7f6 | 2011-12-19 06:19:21 +0000 | [diff] [blame] | 1079 | if (Val > 1) { |
| 1080 | EvaluatedStmt *Eval = VD->ensureEvaluatedStmt(); |
| 1081 | Eval->CheckedICE = true; |
| 1082 | Eval->IsICE = Val == 3; |
| 1083 | } |
| 1084 | } |
Argyrios Kyrtzidis | 9421adc | 2010-07-04 21:44:00 +0000 | [diff] [blame] | 1085 | |
Larisse Voufo | 4a91989 | 2013-08-14 03:09:19 +0000 | [diff] [blame] | 1086 | enum VarKind { |
| 1087 | VarNotTemplate = 0, VarTemplate, StaticDataMemberSpecialization |
| 1088 | }; |
| 1089 | switch ((VarKind)Record[Idx++]) { |
| 1090 | case VarNotTemplate: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1091 | // Only true variables (not parameters or implicit parameters) can be merged |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1092 | if (VD->getKind() != Decl::ParmVar && VD->getKind() != Decl::ImplicitParam && |
| 1093 | !isa<VarTemplateSpecializationDecl>(VD)) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1094 | mergeRedeclarable(VD, Redecl); |
Larisse Voufo | 4a91989 | 2013-08-14 03:09:19 +0000 | [diff] [blame] | 1095 | break; |
| 1096 | case VarTemplate: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1097 | // Merged when we merge the template. |
Larisse Voufo | 4a91989 | 2013-08-14 03:09:19 +0000 | [diff] [blame] | 1098 | VD->setDescribedVarTemplate(ReadDeclAs<VarTemplateDecl>(Record, Idx)); |
| 1099 | break; |
| 1100 | case StaticDataMemberSpecialization: { // HasMemberSpecializationInfo. |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1101 | VarDecl *Tmpl = ReadDeclAs<VarDecl>(Record, Idx); |
Argyrios Kyrtzidis | 9421adc | 2010-07-04 21:44:00 +0000 | [diff] [blame] | 1102 | TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++]; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1103 | SourceLocation POI = ReadSourceLocation(Record, Idx); |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 1104 | Reader.getContext().setInstantiatedFromStaticDataMember(VD, Tmpl, TSK,POI); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1105 | mergeRedeclarable(VD, Redecl); |
Larisse Voufo | 4a91989 | 2013-08-14 03:09:19 +0000 | [diff] [blame] | 1106 | break; |
| 1107 | } |
Argyrios Kyrtzidis | 9421adc | 2010-07-04 21:44:00 +0000 | [diff] [blame] | 1108 | } |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 1109 | |
| 1110 | return Redecl; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1111 | } |
| 1112 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1113 | void ASTDeclReader::VisitImplicitParamDecl(ImplicitParamDecl *PD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1114 | VisitVarDecl(PD); |
| 1115 | } |
| 1116 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1117 | void ASTDeclReader::VisitParmVarDecl(ParmVarDecl *PD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1118 | VisitVarDecl(PD); |
John McCall | 7079886 | 2011-05-02 00:30:12 +0000 | [diff] [blame] | 1119 | unsigned isObjCMethodParam = Record[Idx++]; |
| 1120 | unsigned scopeDepth = Record[Idx++]; |
| 1121 | unsigned scopeIndex = Record[Idx++]; |
| 1122 | unsigned declQualifier = Record[Idx++]; |
| 1123 | if (isObjCMethodParam) { |
| 1124 | assert(scopeDepth == 0); |
| 1125 | PD->setObjCMethodScopeInfo(scopeIndex); |
| 1126 | PD->ParmVarDeclBits.ScopeDepthOrObjCQuals = declQualifier; |
| 1127 | } else { |
| 1128 | PD->setScopeInfo(scopeDepth, scopeIndex); |
| 1129 | } |
John McCall | f1e4fbf | 2011-05-01 02:13:58 +0000 | [diff] [blame] | 1130 | PD->ParmVarDeclBits.IsKNRPromoted = Record[Idx++]; |
| 1131 | PD->ParmVarDeclBits.HasInheritedDefaultArg = Record[Idx++]; |
Argyrios Kyrtzidis | 691d77f | 2010-07-04 21:44:07 +0000 | [diff] [blame] | 1132 | if (Record[Idx++]) // hasUninstantiatedDefaultArg. |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1133 | PD->setUninstantiatedDefaultArg(Reader.ReadExpr(F)); |
Richard Smith | 98f0723 | 2013-06-24 22:51:00 +0000 | [diff] [blame] | 1134 | |
| 1135 | // FIXME: If this is a redeclaration of a function from another module, handle |
| 1136 | // inheritance of default arguments. |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1137 | } |
| 1138 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1139 | void ASTDeclReader::VisitFileScopeAsmDecl(FileScopeAsmDecl *AD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1140 | VisitDecl(AD); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1141 | AD->setAsmString(cast<StringLiteral>(Reader.ReadExpr(F))); |
Abramo Bagnara | 21e006e | 2011-03-03 14:20:18 +0000 | [diff] [blame] | 1142 | AD->setRParenLoc(ReadSourceLocation(Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1143 | } |
| 1144 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1145 | void ASTDeclReader::VisitBlockDecl(BlockDecl *BD) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1146 | VisitDecl(BD); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1147 | BD->setBody(cast_or_null<CompoundStmt>(Reader.ReadStmt(F))); |
| 1148 | BD->setSignatureAsWritten(GetTypeSourceInfo(Record, Idx)); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1149 | unsigned NumParams = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1150 | SmallVector<ParmVarDecl *, 16> Params; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1151 | Params.reserve(NumParams); |
| 1152 | for (unsigned I = 0; I != NumParams; ++I) |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1153 | Params.push_back(ReadDeclAs<ParmVarDecl>(Record, Idx)); |
David Blaikie | 4278c65 | 2011-09-21 18:16:56 +0000 | [diff] [blame] | 1154 | BD->setParams(Params); |
John McCall | 469a1eb | 2011-02-02 13:00:07 +0000 | [diff] [blame] | 1155 | |
John McCall | b889614 | 2012-04-13 17:33:29 +0000 | [diff] [blame] | 1156 | BD->setIsVariadic(Record[Idx++]); |
| 1157 | BD->setBlockMissingReturnType(Record[Idx++]); |
| 1158 | BD->setIsConversionFromLambda(Record[Idx++]); |
| 1159 | |
John McCall | 469a1eb | 2011-02-02 13:00:07 +0000 | [diff] [blame] | 1160 | bool capturesCXXThis = Record[Idx++]; |
John McCall | 6b5a61b | 2011-02-07 10:33:21 +0000 | [diff] [blame] | 1161 | unsigned numCaptures = Record[Idx++]; |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1162 | SmallVector<BlockDecl::Capture, 16> captures; |
John McCall | 6b5a61b | 2011-02-07 10:33:21 +0000 | [diff] [blame] | 1163 | captures.reserve(numCaptures); |
| 1164 | for (unsigned i = 0; i != numCaptures; ++i) { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1165 | VarDecl *decl = ReadDeclAs<VarDecl>(Record, Idx); |
John McCall | 6b5a61b | 2011-02-07 10:33:21 +0000 | [diff] [blame] | 1166 | unsigned flags = Record[Idx++]; |
| 1167 | bool byRef = (flags & 1); |
| 1168 | bool nested = (flags & 2); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1169 | Expr *copyExpr = ((flags & 4) ? Reader.ReadExpr(F) : nullptr); |
John McCall | 6b5a61b | 2011-02-07 10:33:21 +0000 | [diff] [blame] | 1170 | |
| 1171 | captures.push_back(BlockDecl::Capture(decl, byRef, nested, copyExpr)); |
| 1172 | } |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 1173 | BD->setCaptures(Reader.getContext(), captures.begin(), |
John McCall | 6b5a61b | 2011-02-07 10:33:21 +0000 | [diff] [blame] | 1174 | captures.end(), capturesCXXThis); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 1175 | } |
| 1176 | |
Ben Langmuir | dc5be4f | 2013-05-03 19:20:19 +0000 | [diff] [blame] | 1177 | void ASTDeclReader::VisitCapturedDecl(CapturedDecl *CD) { |
| 1178 | VisitDecl(CD); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1179 | unsigned ContextParamPos = Record[Idx++]; |
| 1180 | CD->setNothrow(Record[Idx++] != 0); |
Ben Langmuir | dc5be4f | 2013-05-03 19:20:19 +0000 | [diff] [blame] | 1181 | // Body is set by VisitCapturedStmt. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1182 | for (unsigned I = 0; I < CD->NumParams; ++I) { |
| 1183 | if (I != ContextParamPos) |
| 1184 | CD->setParam(I, ReadDeclAs<ImplicitParamDecl>(Record, Idx)); |
| 1185 | else |
| 1186 | CD->setContextParam(I, ReadDeclAs<ImplicitParamDecl>(Record, Idx)); |
| 1187 | } |
Tareq A. Siraj | 6afcf88 | 2013-04-16 19:37:38 +0000 | [diff] [blame] | 1188 | } |
| 1189 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1190 | void ASTDeclReader::VisitLinkageSpecDecl(LinkageSpecDecl *D) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1191 | VisitDecl(D); |
| 1192 | D->setLanguage((LinkageSpecDecl::LanguageIDs)Record[Idx++]); |
Abramo Bagnara | a2026c9 | 2011-03-08 16:41:52 +0000 | [diff] [blame] | 1193 | D->setExternLoc(ReadSourceLocation(Record, Idx)); |
Abramo Bagnara | 5f6bcbe | 2011-03-03 14:52:38 +0000 | [diff] [blame] | 1194 | D->setRBraceLoc(ReadSourceLocation(Record, Idx)); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1195 | } |
| 1196 | |
Chris Lattner | ad8dcf4 | 2011-02-17 07:39:24 +0000 | [diff] [blame] | 1197 | void ASTDeclReader::VisitLabelDecl(LabelDecl *D) { |
| 1198 | VisitNamedDecl(D); |
Abramo Bagnara | 6784304 | 2011-03-05 18:21:20 +0000 | [diff] [blame] | 1199 | D->setLocStart(ReadSourceLocation(Record, Idx)); |
Chris Lattner | ad8dcf4 | 2011-02-17 07:39:24 +0000 | [diff] [blame] | 1200 | } |
| 1201 | |
| 1202 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1203 | void ASTDeclReader::VisitNamespaceDecl(NamespaceDecl *D) { |
Douglas Gregor | f5c9f9f | 2012-01-07 09:11:48 +0000 | [diff] [blame] | 1204 | RedeclarableResult Redecl = VisitRedeclarable(D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1205 | VisitNamedDecl(D); |
Douglas Gregor | f5c9f9f | 2012-01-07 09:11:48 +0000 | [diff] [blame] | 1206 | D->setInline(Record[Idx++]); |
Abramo Bagnara | acba90f | 2011-03-08 12:38:20 +0000 | [diff] [blame] | 1207 | D->LocStart = ReadSourceLocation(Record, Idx); |
| 1208 | D->RBraceLoc = ReadSourceLocation(Record, Idx); |
Douglas Gregor | c6c8e0e | 2012-01-09 17:30:44 +0000 | [diff] [blame] | 1209 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1210 | // Defer loading the anonymous namespace until we've finished merging |
| 1211 | // this namespace; loading it might load a later declaration of the |
| 1212 | // same namespace, and we have an invariant that older declarations |
| 1213 | // get merged before newer ones try to merge. |
| 1214 | GlobalDeclID AnonNamespace = 0; |
Douglas Gregor | f5c9f9f | 2012-01-07 09:11:48 +0000 | [diff] [blame] | 1215 | if (Redecl.getFirstID() == ThisDeclID) { |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1216 | AnonNamespace = ReadDeclID(Record, Idx); |
Douglas Gregor | f5c9f9f | 2012-01-07 09:11:48 +0000 | [diff] [blame] | 1217 | } else { |
| 1218 | // Link this namespace back to the first declaration, which has already |
| 1219 | // been deserialized. |
Rafael Espindola | bc65091 | 2013-10-17 15:37:26 +0000 | [diff] [blame] | 1220 | D->AnonOrFirstNamespaceAndInline.setPointer(D->getFirstDecl()); |
Douglas Gregor | f5c9f9f | 2012-01-07 09:11:48 +0000 | [diff] [blame] | 1221 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1222 | |
| 1223 | mergeRedeclarable(D, Redecl); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1224 | |
| 1225 | if (AnonNamespace) { |
| 1226 | // Each module has its own anonymous namespace, which is disjoint from |
| 1227 | // any other module's anonymous namespaces, so don't attach the anonymous |
| 1228 | // namespace at all. |
| 1229 | NamespaceDecl *Anon = cast<NamespaceDecl>(Reader.GetDecl(AnonNamespace)); |
| 1230 | if (F.Kind != MK_ImplicitModule && F.Kind != MK_ExplicitModule) |
| 1231 | D->setAnonymousNamespace(Anon); |
| 1232 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1233 | } |
| 1234 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1235 | void ASTDeclReader::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1236 | RedeclarableResult Redecl = VisitRedeclarable(D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1237 | VisitNamedDecl(D); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1238 | D->NamespaceLoc = ReadSourceLocation(Record, Idx); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1239 | D->IdentLoc = ReadSourceLocation(Record, Idx); |
Douglas Gregor | 0cfaf6a | 2011-02-25 17:08:07 +0000 | [diff] [blame] | 1240 | D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1241 | D->Namespace = ReadDeclAs<NamedDecl>(Record, Idx); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1242 | mergeRedeclarable(D, Redecl); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1243 | } |
| 1244 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1245 | void ASTDeclReader::VisitUsingDecl(UsingDecl *D) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1246 | VisitNamedDecl(D); |
Enea Zaffanella | 8d030c7 | 2013-07-22 10:54:09 +0000 | [diff] [blame] | 1247 | D->setUsingLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 1248 | D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx); |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 1249 | ReadDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record, Idx); |
Benjamin Kramer | 9bc6fb6 | 2012-01-07 19:09:05 +0000 | [diff] [blame] | 1250 | D->FirstUsingShadow.setPointer(ReadDeclAs<UsingShadowDecl>(Record, Idx)); |
Enea Zaffanella | 8d030c7 | 2013-07-22 10:54:09 +0000 | [diff] [blame] | 1251 | D->setTypename(Record[Idx++]); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1252 | if (NamedDecl *Pattern = ReadDeclAs<NamedDecl>(Record, Idx)) |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 1253 | Reader.getContext().setInstantiatedFromUsingDecl(D, Pattern); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1254 | mergeMergeable(D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1255 | } |
| 1256 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1257 | void ASTDeclReader::VisitUsingShadowDecl(UsingShadowDecl *D) { |
Richard Smith | f06a2893 | 2013-10-23 02:17:46 +0000 | [diff] [blame] | 1258 | RedeclarableResult Redecl = VisitRedeclarable(D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1259 | VisitNamedDecl(D); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1260 | D->setTargetDecl(ReadDeclAs<NamedDecl>(Record, Idx)); |
| 1261 | D->UsingOrNextShadow = ReadDeclAs<NamedDecl>(Record, Idx); |
| 1262 | UsingShadowDecl *Pattern = ReadDeclAs<UsingShadowDecl>(Record, Idx); |
Argyrios Kyrtzidis | c91e9f4 | 2010-07-04 21:44:35 +0000 | [diff] [blame] | 1263 | if (Pattern) |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 1264 | Reader.getContext().setInstantiatedFromUsingShadowDecl(D, Pattern); |
Richard Smith | f06a2893 | 2013-10-23 02:17:46 +0000 | [diff] [blame] | 1265 | mergeRedeclarable(D, Redecl); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1266 | } |
| 1267 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1268 | void ASTDeclReader::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1269 | VisitNamedDecl(D); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1270 | D->UsingLoc = ReadSourceLocation(Record, Idx); |
| 1271 | D->NamespaceLoc = ReadSourceLocation(Record, Idx); |
Douglas Gregor | db99241 | 2011-02-25 16:33:46 +0000 | [diff] [blame] | 1272 | D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1273 | D->NominatedNamespace = ReadDeclAs<NamedDecl>(Record, Idx); |
| 1274 | D->CommonAncestor = ReadDeclAs<DeclContext>(Record, Idx); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1275 | } |
| 1276 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1277 | void ASTDeclReader::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1278 | VisitValueDecl(D); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1279 | D->setUsingLoc(ReadSourceLocation(Record, Idx)); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 1280 | D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx); |
Argyrios Kyrtzidis | 4045107 | 2010-10-15 18:21:24 +0000 | [diff] [blame] | 1281 | ReadDeclarationNameLoc(D->DNLoc, D->getDeclName(), Record, Idx); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1282 | mergeMergeable(D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1283 | } |
| 1284 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1285 | void ASTDeclReader::VisitUnresolvedUsingTypenameDecl( |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1286 | UnresolvedUsingTypenameDecl *D) { |
| 1287 | VisitTypeDecl(D); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1288 | D->TypenameLocation = ReadSourceLocation(Record, Idx); |
Douglas Gregor | dc35571 | 2011-02-25 00:36:19 +0000 | [diff] [blame] | 1289 | D->QualifierLoc = Reader.ReadNestedNameSpecifierLoc(F, Record, Idx); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1290 | mergeMergeable(D); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1291 | } |
| 1292 | |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 1293 | void ASTDeclReader::ReadCXXDefinitionData( |
Argyrios Kyrtzidis | 89eaf3a | 2010-10-24 17:26:40 +0000 | [diff] [blame] | 1294 | struct CXXRecordDecl::DefinitionData &Data, |
| 1295 | const RecordData &Record, unsigned &Idx) { |
Douglas Gregor | 9d36f5d | 2012-02-14 17:54:36 +0000 | [diff] [blame] | 1296 | // Note: the caller has deserialized the IsLambda bit already. |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 1297 | Data.UserDeclaredConstructor = Record[Idx++]; |
Richard Smith | 7d04d3a | 2012-11-30 05:11:39 +0000 | [diff] [blame] | 1298 | Data.UserDeclaredSpecialMembers = Record[Idx++]; |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 1299 | Data.Aggregate = Record[Idx++]; |
| 1300 | Data.PlainOldData = Record[Idx++]; |
| 1301 | Data.Empty = Record[Idx++]; |
| 1302 | Data.Polymorphic = Record[Idx++]; |
| 1303 | Data.Abstract = Record[Idx++]; |
Chandler Carruth | ec997dc | 2011-04-30 10:07:30 +0000 | [diff] [blame] | 1304 | Data.IsStandardLayout = Record[Idx++]; |
Chandler Carruth | a822544 | 2011-04-30 09:17:45 +0000 | [diff] [blame] | 1305 | Data.HasNoNonEmptyBases = Record[Idx++]; |
| 1306 | Data.HasPrivateFields = Record[Idx++]; |
| 1307 | Data.HasProtectedFields = Record[Idx++]; |
| 1308 | Data.HasPublicFields = Record[Idx++]; |
Douglas Gregor | 2bb1101 | 2011-05-13 01:05:07 +0000 | [diff] [blame] | 1309 | Data.HasMutableFields = Record[Idx++]; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1310 | Data.HasVariantMembers = Record[Idx++]; |
Richard Smith | dfefb84 | 2012-02-25 07:33:38 +0000 | [diff] [blame] | 1311 | Data.HasOnlyCMembers = Record[Idx++]; |
Richard Smith | d079abf | 2012-05-07 01:07:30 +0000 | [diff] [blame] | 1312 | Data.HasInClassInitializer = Record[Idx++]; |
Richard Smith | d5bc867 | 2012-12-08 02:01:17 +0000 | [diff] [blame] | 1313 | Data.HasUninitializedReferenceMember = Record[Idx++]; |
Richard Smith | bc2a35d | 2012-12-08 08:32:28 +0000 | [diff] [blame] | 1314 | Data.NeedOverloadResolutionForMoveConstructor = Record[Idx++]; |
| 1315 | Data.NeedOverloadResolutionForMoveAssignment = Record[Idx++]; |
| 1316 | Data.NeedOverloadResolutionForDestructor = Record[Idx++]; |
| 1317 | Data.DefaultedMoveConstructorIsDeleted = Record[Idx++]; |
| 1318 | Data.DefaultedMoveAssignmentIsDeleted = Record[Idx++]; |
| 1319 | Data.DefaultedDestructorIsDeleted = Record[Idx++]; |
Richard Smith | 7d04d3a | 2012-11-30 05:11:39 +0000 | [diff] [blame] | 1320 | Data.HasTrivialSpecialMembers = Record[Idx++]; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1321 | Data.DeclaredNonTrivialSpecialMembers = Record[Idx++]; |
Richard Smith | 7d04d3a | 2012-11-30 05:11:39 +0000 | [diff] [blame] | 1322 | Data.HasIrrelevantDestructor = Record[Idx++]; |
Richard Smith | 6b8bc07 | 2011-08-10 18:11:37 +0000 | [diff] [blame] | 1323 | Data.HasConstexprNonCopyMoveConstructor = Record[Idx++]; |
Richard Smith | dfefb84 | 2012-02-25 07:33:38 +0000 | [diff] [blame] | 1324 | Data.DefaultedDefaultConstructorIsConstexpr = Record[Idx++]; |
Richard Smith | dfefb84 | 2012-02-25 07:33:38 +0000 | [diff] [blame] | 1325 | Data.HasConstexprDefaultConstructor = Record[Idx++]; |
Chandler Carruth | 9b6347c | 2011-04-24 02:49:34 +0000 | [diff] [blame] | 1326 | Data.HasNonLiteralTypeFieldsOrBases = Record[Idx++]; |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 1327 | Data.ComputedVisibleConversions = Record[Idx++]; |
Sean Hunt | cdee3fe | 2011-05-11 22:34:38 +0000 | [diff] [blame] | 1328 | Data.UserProvidedDefaultConstructor = Record[Idx++]; |
Richard Smith | 7d04d3a | 2012-11-30 05:11:39 +0000 | [diff] [blame] | 1329 | Data.DeclaredSpecialMembers = Record[Idx++]; |
Richard Smith | acf796b | 2012-11-28 06:23:12 +0000 | [diff] [blame] | 1330 | Data.ImplicitCopyConstructorHasConstParam = Record[Idx++]; |
| 1331 | Data.ImplicitCopyAssignmentHasConstParam = Record[Idx++]; |
| 1332 | Data.HasDeclaredCopyConstructorWithConstParam = Record[Idx++]; |
| 1333 | Data.HasDeclaredCopyAssignmentWithConstParam = Record[Idx++]; |
Anders Carlsson | faa6afd | 2011-01-22 18:11:02 +0000 | [diff] [blame] | 1334 | |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 1335 | Data.NumBases = Record[Idx++]; |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 1336 | if (Data.NumBases) |
Douglas Gregor | e92b8a1 | 2011-08-04 00:01:48 +0000 | [diff] [blame] | 1337 | Data.Bases = Reader.readCXXBaseSpecifiers(F, Record, Idx); |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 1338 | Data.NumVBases = Record[Idx++]; |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 1339 | if (Data.NumVBases) |
Douglas Gregor | e92b8a1 | 2011-08-04 00:01:48 +0000 | [diff] [blame] | 1340 | Data.VBases = Reader.readCXXBaseSpecifiers(F, Record, Idx); |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 1341 | |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1342 | Reader.ReadUnresolvedSet(F, Data.Conversions, Record, Idx); |
| 1343 | Reader.ReadUnresolvedSet(F, Data.VisibleConversions, Record, Idx); |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 1344 | assert(Data.Definition && "Data.Definition should be already set!"); |
Richard Smith | 868edfa | 2013-08-30 00:23:29 +0000 | [diff] [blame] | 1345 | Data.FirstFriend = ReadDeclID(Record, Idx); |
| 1346 | |
Douglas Gregor | 9d36f5d | 2012-02-14 17:54:36 +0000 | [diff] [blame] | 1347 | if (Data.IsLambda) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1348 | typedef LambdaCapture Capture; |
Douglas Gregor | 9d36f5d | 2012-02-14 17:54:36 +0000 | [diff] [blame] | 1349 | CXXRecordDecl::LambdaDefinitionData &Lambda |
| 1350 | = static_cast<CXXRecordDecl::LambdaDefinitionData &>(Data); |
Douglas Gregor | f4b7de1 | 2012-02-21 19:11:17 +0000 | [diff] [blame] | 1351 | Lambda.Dependent = Record[Idx++]; |
Faisal Vali | bef582b | 2013-10-23 16:10:50 +0000 | [diff] [blame] | 1352 | Lambda.IsGenericLambda = Record[Idx++]; |
| 1353 | Lambda.CaptureDefault = Record[Idx++]; |
Douglas Gregor | 9d36f5d | 2012-02-14 17:54:36 +0000 | [diff] [blame] | 1354 | Lambda.NumCaptures = Record[Idx++]; |
| 1355 | Lambda.NumExplicitCaptures = Record[Idx++]; |
Douglas Gregor | 9e8c92a | 2012-02-20 19:44:39 +0000 | [diff] [blame] | 1356 | Lambda.ManglingNumber = Record[Idx++]; |
Douglas Gregor | ccc1b5e | 2012-02-21 00:37:24 +0000 | [diff] [blame] | 1357 | Lambda.ContextDecl = ReadDecl(Record, Idx); |
Douglas Gregor | 9d36f5d | 2012-02-14 17:54:36 +0000 | [diff] [blame] | 1358 | Lambda.Captures |
| 1359 | = (Capture*)Reader.Context.Allocate(sizeof(Capture)*Lambda.NumCaptures); |
| 1360 | Capture *ToCapture = Lambda.Captures; |
Eli Friedman | 8da8a66 | 2012-09-19 01:18:11 +0000 | [diff] [blame] | 1361 | Lambda.MethodTyInfo = GetTypeSourceInfo(Record, Idx); |
Douglas Gregor | 9d36f5d | 2012-02-14 17:54:36 +0000 | [diff] [blame] | 1362 | for (unsigned I = 0, N = Lambda.NumCaptures; I != N; ++I) { |
| 1363 | SourceLocation Loc = ReadSourceLocation(Record, Idx); |
| 1364 | bool IsImplicit = Record[Idx++]; |
| 1365 | LambdaCaptureKind Kind = static_cast<LambdaCaptureKind>(Record[Idx++]); |
Richard Smith | 0d8e964 | 2013-05-16 06:20:58 +0000 | [diff] [blame] | 1366 | switch (Kind) { |
| 1367 | case LCK_This: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1368 | case LCK_VLAType: |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1369 | *ToCapture++ = Capture(Loc, IsImplicit, Kind, nullptr,SourceLocation()); |
Richard Smith | 0d8e964 | 2013-05-16 06:20:58 +0000 | [diff] [blame] | 1370 | break; |
| 1371 | case LCK_ByCopy: |
Richard Smith | 04fa7a3 | 2013-09-28 04:02:39 +0000 | [diff] [blame] | 1372 | case LCK_ByRef: |
Richard Smith | 0d8e964 | 2013-05-16 06:20:58 +0000 | [diff] [blame] | 1373 | VarDecl *Var = ReadDeclAs<VarDecl>(Record, Idx); |
| 1374 | SourceLocation EllipsisLoc = ReadSourceLocation(Record, Idx); |
| 1375 | *ToCapture++ = Capture(Loc, IsImplicit, Kind, Var, EllipsisLoc); |
| 1376 | break; |
| 1377 | } |
Douglas Gregor | 9d36f5d | 2012-02-14 17:54:36 +0000 | [diff] [blame] | 1378 | } |
| 1379 | } |
Argyrios Kyrtzidis | c01dc6f | 2010-10-24 17:26:27 +0000 | [diff] [blame] | 1380 | } |
| 1381 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1382 | void ASTDeclReader::MergeDefinitionData( |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1383 | CXXRecordDecl *D, struct CXXRecordDecl::DefinitionData &&MergeDD) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1384 | assert(D->DefinitionData.getNotUpdated() && |
| 1385 | "merging class definition into non-definition"); |
| 1386 | auto &DD = *D->DefinitionData.getNotUpdated(); |
| 1387 | |
Pirama Arumuga Nainar | 33337ca | 2015-05-06 11:48:57 -0700 | [diff] [blame] | 1388 | // If the new definition has new special members, let the name lookup |
| 1389 | // code know that it needs to look in the new definition too. |
| 1390 | // |
| 1391 | // FIXME: We only need to do this if the merged definition declares members |
| 1392 | // that this definition did not declare, or if it defines members that this |
| 1393 | // definition did not define. |
| 1394 | if (DD.Definition != MergeDD.Definition) { |
| 1395 | Reader.MergedLookups[DD.Definition].push_back(MergeDD.Definition); |
| 1396 | DD.Definition->setHasExternalVisibleStorage(); |
| 1397 | |
| 1398 | if (DD.Definition->isHidden()) { |
| 1399 | // If MergeDD is visible or becomes visible, make the definition visible. |
| 1400 | if (!MergeDD.Definition->isHidden()) |
| 1401 | DD.Definition->Hidden = false; |
| 1402 | else { |
| 1403 | auto SubmoduleID = MergeDD.Definition->getOwningModuleID(); |
| 1404 | assert(SubmoduleID && "hidden definition in no module"); |
| 1405 | Reader.HiddenNamesMap[Reader.getSubmodule(SubmoduleID)] |
| 1406 | .HiddenDecls.push_back(DD.Definition); |
| 1407 | } |
| 1408 | } |
| 1409 | } |
| 1410 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1411 | auto PFDI = Reader.PendingFakeDefinitionData.find(&DD); |
| 1412 | if (PFDI != Reader.PendingFakeDefinitionData.end() && |
| 1413 | PFDI->second == ASTReader::PendingFakeDefinitionKind::Fake) { |
| 1414 | // We faked up this definition data because we found a class for which we'd |
| 1415 | // not yet loaded the definition. Replace it with the real thing now. |
| 1416 | assert(!DD.IsLambda && !MergeDD.IsLambda && "faked up lambda definition?"); |
| 1417 | PFDI->second = ASTReader::PendingFakeDefinitionKind::FakeLoaded; |
| 1418 | |
| 1419 | // Don't change which declaration is the definition; that is required |
| 1420 | // to be invariant once we select it. |
| 1421 | auto *Def = DD.Definition; |
| 1422 | DD = std::move(MergeDD); |
| 1423 | DD.Definition = Def; |
| 1424 | return; |
| 1425 | } |
| 1426 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1427 | // FIXME: Move this out into a .def file? |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1428 | bool DetectedOdrViolation = false; |
| 1429 | #define OR_FIELD(Field) DD.Field |= MergeDD.Field; |
| 1430 | #define MATCH_FIELD(Field) \ |
| 1431 | DetectedOdrViolation |= DD.Field != MergeDD.Field; \ |
| 1432 | OR_FIELD(Field) |
| 1433 | MATCH_FIELD(UserDeclaredConstructor) |
| 1434 | MATCH_FIELD(UserDeclaredSpecialMembers) |
| 1435 | MATCH_FIELD(Aggregate) |
| 1436 | MATCH_FIELD(PlainOldData) |
| 1437 | MATCH_FIELD(Empty) |
| 1438 | MATCH_FIELD(Polymorphic) |
| 1439 | MATCH_FIELD(Abstract) |
| 1440 | MATCH_FIELD(IsStandardLayout) |
| 1441 | MATCH_FIELD(HasNoNonEmptyBases) |
| 1442 | MATCH_FIELD(HasPrivateFields) |
| 1443 | MATCH_FIELD(HasProtectedFields) |
| 1444 | MATCH_FIELD(HasPublicFields) |
| 1445 | MATCH_FIELD(HasMutableFields) |
| 1446 | MATCH_FIELD(HasVariantMembers) |
| 1447 | MATCH_FIELD(HasOnlyCMembers) |
| 1448 | MATCH_FIELD(HasInClassInitializer) |
| 1449 | MATCH_FIELD(HasUninitializedReferenceMember) |
| 1450 | MATCH_FIELD(NeedOverloadResolutionForMoveConstructor) |
| 1451 | MATCH_FIELD(NeedOverloadResolutionForMoveAssignment) |
| 1452 | MATCH_FIELD(NeedOverloadResolutionForDestructor) |
| 1453 | MATCH_FIELD(DefaultedMoveConstructorIsDeleted) |
| 1454 | MATCH_FIELD(DefaultedMoveAssignmentIsDeleted) |
| 1455 | MATCH_FIELD(DefaultedDestructorIsDeleted) |
| 1456 | OR_FIELD(HasTrivialSpecialMembers) |
| 1457 | OR_FIELD(DeclaredNonTrivialSpecialMembers) |
| 1458 | MATCH_FIELD(HasIrrelevantDestructor) |
| 1459 | OR_FIELD(HasConstexprNonCopyMoveConstructor) |
| 1460 | MATCH_FIELD(DefaultedDefaultConstructorIsConstexpr) |
| 1461 | OR_FIELD(HasConstexprDefaultConstructor) |
| 1462 | MATCH_FIELD(HasNonLiteralTypeFieldsOrBases) |
| 1463 | // ComputedVisibleConversions is handled below. |
| 1464 | MATCH_FIELD(UserProvidedDefaultConstructor) |
| 1465 | OR_FIELD(DeclaredSpecialMembers) |
| 1466 | MATCH_FIELD(ImplicitCopyConstructorHasConstParam) |
| 1467 | MATCH_FIELD(ImplicitCopyAssignmentHasConstParam) |
| 1468 | OR_FIELD(HasDeclaredCopyConstructorWithConstParam) |
| 1469 | OR_FIELD(HasDeclaredCopyAssignmentWithConstParam) |
| 1470 | MATCH_FIELD(IsLambda) |
| 1471 | #undef OR_FIELD |
| 1472 | #undef MATCH_FIELD |
| 1473 | |
| 1474 | if (DD.NumBases != MergeDD.NumBases || DD.NumVBases != MergeDD.NumVBases) |
| 1475 | DetectedOdrViolation = true; |
| 1476 | // FIXME: Issue a diagnostic if the base classes don't match when we come |
| 1477 | // to lazily load them. |
| 1478 | |
| 1479 | // FIXME: Issue a diagnostic if the list of conversion functions doesn't |
| 1480 | // match when we come to lazily load them. |
| 1481 | if (MergeDD.ComputedVisibleConversions && !DD.ComputedVisibleConversions) { |
| 1482 | DD.VisibleConversions = std::move(MergeDD.VisibleConversions); |
| 1483 | DD.ComputedVisibleConversions = true; |
| 1484 | } |
| 1485 | |
| 1486 | // FIXME: Issue a diagnostic if FirstFriend doesn't match when we come to |
| 1487 | // lazily load it. |
| 1488 | |
| 1489 | if (DD.IsLambda) { |
| 1490 | // FIXME: ODR-checking for merging lambdas (this happens, for instance, |
| 1491 | // when they occur within the body of a function template specialization). |
| 1492 | } |
| 1493 | |
| 1494 | if (DetectedOdrViolation) |
| 1495 | Reader.PendingOdrMergeFailures[DD.Definition].push_back(MergeDD.Definition); |
| 1496 | } |
| 1497 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1498 | void ASTDeclReader::ReadCXXRecordDefinition(CXXRecordDecl *D, bool Update) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1499 | struct CXXRecordDecl::DefinitionData *DD; |
| 1500 | ASTContext &C = Reader.getContext(); |
| 1501 | |
| 1502 | // Determine whether this is a lambda closure type, so that we can |
| 1503 | // allocate the appropriate DefinitionData structure. |
| 1504 | bool IsLambda = Record[Idx++]; |
| 1505 | if (IsLambda) |
| 1506 | DD = new (C) CXXRecordDecl::LambdaDefinitionData(D, nullptr, false, false, |
| 1507 | LCD_None); |
| 1508 | else |
| 1509 | DD = new (C) struct CXXRecordDecl::DefinitionData(D); |
| 1510 | |
| 1511 | ReadCXXDefinitionData(*DD, Record, Idx); |
| 1512 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1513 | // We might already have a definition for this record. This can happen either |
| 1514 | // because we're reading an update record, or because we've already done some |
| 1515 | // merging. Either way, just merge into it. |
| 1516 | CXXRecordDecl *Canon = D->getCanonicalDecl(); |
| 1517 | if (auto *CanonDD = Canon->DefinitionData.getNotUpdated()) { |
| 1518 | if (CanonDD->Definition != DD->Definition) |
| 1519 | Reader.MergedDeclContexts.insert( |
| 1520 | std::make_pair(DD->Definition, CanonDD->Definition)); |
| 1521 | MergeDefinitionData(Canon, std::move(*DD)); |
| 1522 | D->DefinitionData = Canon->DefinitionData; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1523 | return; |
| 1524 | } |
| 1525 | |
| 1526 | // Propagate the DefinitionData pointer to the canonical declaration, so |
| 1527 | // that all other deserialized declarations will see it. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1528 | if (Canon == D) { |
| 1529 | D->DefinitionData = DD; |
| 1530 | D->IsCompleteDefinition = true; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1531 | |
| 1532 | // If this is an update record, we can have redeclarations already. Make a |
| 1533 | // note that we need to propagate the DefinitionData pointer onto them. |
| 1534 | if (Update) |
| 1535 | Reader.PendingDefinitions.insert(D); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1536 | } else if (auto *CanonDD = Canon->DefinitionData.getNotUpdated()) { |
| 1537 | // We have already deserialized a definition of this record. This |
| 1538 | // definition is no longer really a definition. Note that the pre-existing |
| 1539 | // definition is the *real* definition. |
| 1540 | Reader.MergedDeclContexts.insert( |
| 1541 | std::make_pair(D, CanonDD->Definition)); |
| 1542 | D->DefinitionData = Canon->DefinitionData; |
| 1543 | D->IsCompleteDefinition = false; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1544 | MergeDefinitionData(D, std::move(*DD)); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1545 | } else { |
| 1546 | Canon->DefinitionData = DD; |
| 1547 | D->DefinitionData = Canon->DefinitionData; |
| 1548 | D->IsCompleteDefinition = true; |
| 1549 | |
| 1550 | // Note that we have deserialized a definition. Any declarations |
| 1551 | // deserialized before this one will be be given the DefinitionData |
| 1552 | // pointer at the end. |
| 1553 | Reader.PendingDefinitions.insert(D); |
| 1554 | } |
| 1555 | } |
| 1556 | |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 1557 | ASTDeclReader::RedeclarableResult |
| 1558 | ASTDeclReader::VisitCXXRecordDeclImpl(CXXRecordDecl *D) { |
| 1559 | RedeclarableResult Redecl = VisitRecordDeclImpl(D); |
Argyrios Kyrtzidis | 9703b0d | 2010-10-20 00:11:15 +0000 | [diff] [blame] | 1560 | |
Douglas Gregor | c23f857 | 2012-01-15 18:17:48 +0000 | [diff] [blame] | 1561 | ASTContext &C = Reader.getContext(); |
Argyrios Kyrtzidis | 37ffed3 | 2010-07-02 11:55:32 +0000 | [diff] [blame] | 1562 | |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1563 | enum CXXRecKind { |
| 1564 | CXXRecNotTemplate = 0, CXXRecTemplate, CXXRecMemberSpecialization |
| 1565 | }; |
| 1566 | switch ((CXXRecKind)Record[Idx++]) { |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1567 | case CXXRecNotTemplate: |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1568 | // Merged when we merge the folding set entry in the primary template. |
| 1569 | if (!isa<ClassTemplateSpecializationDecl>(D)) |
| 1570 | mergeRedeclarable(D, Redecl); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1571 | break; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1572 | case CXXRecTemplate: { |
| 1573 | // Merged when we merge the template. |
| 1574 | ClassTemplateDecl *Template = ReadDeclAs<ClassTemplateDecl>(Record, Idx); |
| 1575 | D->TemplateOrInstantiation = Template; |
| 1576 | if (!Template->getTemplatedDecl()) { |
| 1577 | // We've not actually loaded the ClassTemplateDecl yet, because we're |
| 1578 | // currently being loaded as its pattern. Rely on it to set up our |
| 1579 | // TypeForDecl (see VisitClassTemplateDecl). |
| 1580 | // |
| 1581 | // Beware: we do not yet know our canonical declaration, and may still |
| 1582 | // get merged once the surrounding class template has got off the ground. |
| 1583 | TypeIDForTypeDecl = 0; |
| 1584 | } |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1585 | break; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1586 | } |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1587 | case CXXRecMemberSpecialization: { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1588 | CXXRecordDecl *RD = ReadDeclAs<CXXRecordDecl>(Record, Idx); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1589 | TemplateSpecializationKind TSK = (TemplateSpecializationKind)Record[Idx++]; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1590 | SourceLocation POI = ReadSourceLocation(Record, Idx); |
Argyrios Kyrtzidis | 8b996b8 | 2010-09-13 11:45:25 +0000 | [diff] [blame] | 1591 | MemberSpecializationInfo *MSI = new (C) MemberSpecializationInfo(RD, TSK); |
| 1592 | MSI->setPointOfInstantiation(POI); |
| 1593 | D->TemplateOrInstantiation = MSI; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1594 | mergeRedeclarable(D, Redecl); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1595 | break; |
| 1596 | } |
| 1597 | } |
Argyrios Kyrtzidis | 36d2fd4 | 2010-10-14 20:14:38 +0000 | [diff] [blame] | 1598 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1599 | bool WasDefinition = Record[Idx++]; |
| 1600 | if (WasDefinition) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1601 | ReadCXXRecordDefinition(D, /*Update*/false); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1602 | else |
| 1603 | // Propagate DefinitionData pointer from the canonical declaration. |
| 1604 | D->DefinitionData = D->getCanonicalDecl()->DefinitionData; |
| 1605 | |
Richard Smith | cd03f86 | 2013-08-29 23:59:27 +0000 | [diff] [blame] | 1606 | // Lazily load the key function to avoid deserializing every method so we can |
Argyrios Kyrtzidis | 36d2fd4 | 2010-10-14 20:14:38 +0000 | [diff] [blame] | 1607 | // compute it. |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 1608 | if (WasDefinition) { |
| 1609 | DeclID KeyFn = ReadDeclID(Record, Idx); |
| 1610 | if (KeyFn && D->IsCompleteDefinition) |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 1611 | // FIXME: This is wrong for the ARM ABI, where some other module may have |
| 1612 | // made this function no longer be a key function. We need an update |
| 1613 | // record or similar for that case. |
Richard Smith | cd03f86 | 2013-08-29 23:59:27 +0000 | [diff] [blame] | 1614 | C.KeyFunctions[D] = KeyFn; |
Argyrios Kyrtzidis | 36d2fd4 | 2010-10-14 20:14:38 +0000 | [diff] [blame] | 1615 | } |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 1616 | |
| 1617 | return Redecl; |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1618 | } |
| 1619 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1620 | void ASTDeclReader::VisitCXXMethodDecl(CXXMethodDecl *D) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1621 | VisitFunctionDecl(D); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1622 | |
Argyrios Kyrtzidis | c91e9f4 | 2010-07-04 21:44:35 +0000 | [diff] [blame] | 1623 | unsigned NumOverridenMethods = Record[Idx++]; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1624 | if (D->isCanonicalDecl()) { |
| 1625 | while (NumOverridenMethods--) { |
| 1626 | // Avoid invariant checking of CXXMethodDecl::addOverriddenMethod, |
| 1627 | // MD may be initializing. |
| 1628 | if (CXXMethodDecl *MD = ReadDeclAs<CXXMethodDecl>(Record, Idx)) |
| 1629 | Reader.getContext().addOverriddenMethod(D, MD->getCanonicalDecl()); |
| 1630 | } |
| 1631 | } else { |
| 1632 | // We don't care about which declarations this used to override; we get |
| 1633 | // the relevant information from the canonical declaration. |
| 1634 | Idx += NumOverridenMethods; |
Argyrios Kyrtzidis | c91e9f4 | 2010-07-04 21:44:35 +0000 | [diff] [blame] | 1635 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1636 | } |
| 1637 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1638 | void ASTDeclReader::VisitCXXConstructorDecl(CXXConstructorDecl *D) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1639 | VisitCXXMethodDecl(D); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 1640 | |
| 1641 | if (auto *CD = ReadDeclAs<CXXConstructorDecl>(Record, Idx)) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1642 | if (D->isCanonicalDecl()) |
| 1643 | D->setInheritedConstructor(CD->getCanonicalDecl()); |
Argyrios Kyrtzidis | 9146832 | 2010-07-02 15:58:43 +0000 | [diff] [blame] | 1644 | D->IsExplicitSpecified = Record[Idx++]; |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1645 | } |
| 1646 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1647 | void ASTDeclReader::VisitCXXDestructorDecl(CXXDestructorDecl *D) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1648 | VisitCXXMethodDecl(D); |
Argyrios Kyrtzidis | 9146832 | 2010-07-02 15:58:43 +0000 | [diff] [blame] | 1649 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1650 | if (auto *OperatorDelete = ReadDeclAs<FunctionDecl>(Record, Idx)) { |
| 1651 | auto *Canon = cast<CXXDestructorDecl>(D->getCanonicalDecl()); |
| 1652 | // FIXME: Check consistency if we have an old and new operator delete. |
| 1653 | if (!Canon->OperatorDelete) |
| 1654 | Canon->OperatorDelete = OperatorDelete; |
| 1655 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1656 | } |
| 1657 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1658 | void ASTDeclReader::VisitCXXConversionDecl(CXXConversionDecl *D) { |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1659 | VisitCXXMethodDecl(D); |
Argyrios Kyrtzidis | 9146832 | 2010-07-02 15:58:43 +0000 | [diff] [blame] | 1660 | D->IsExplicitSpecified = Record[Idx++]; |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1661 | } |
| 1662 | |
Douglas Gregor | 15de72c | 2011-12-02 23:23:56 +0000 | [diff] [blame] | 1663 | void ASTDeclReader::VisitImportDecl(ImportDecl *D) { |
| 1664 | VisitDecl(D); |
| 1665 | D->ImportedAndComplete.setPointer(readModule(Record, Idx)); |
| 1666 | D->ImportedAndComplete.setInt(Record[Idx++]); |
| 1667 | SourceLocation *StoredLocs = reinterpret_cast<SourceLocation *>(D + 1); |
| 1668 | for (unsigned I = 0, N = Record.back(); I != N; ++I) |
| 1669 | StoredLocs[I] = ReadSourceLocation(Record, Idx); |
Argyrios Kyrtzidis | bebae7c | 2012-10-03 01:58:45 +0000 | [diff] [blame] | 1670 | ++Idx; // The number of stored source locations. |
Douglas Gregor | 15de72c | 2011-12-02 23:23:56 +0000 | [diff] [blame] | 1671 | } |
| 1672 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1673 | void ASTDeclReader::VisitAccessSpecDecl(AccessSpecDecl *D) { |
Abramo Bagnara | 6206d53 | 2010-06-05 05:09:32 +0000 | [diff] [blame] | 1674 | VisitDecl(D); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1675 | D->setColonLoc(ReadSourceLocation(Record, Idx)); |
Abramo Bagnara | 6206d53 | 2010-06-05 05:09:32 +0000 | [diff] [blame] | 1676 | } |
| 1677 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1678 | void ASTDeclReader::VisitFriendDecl(FriendDecl *D) { |
Argyrios Kyrtzidis | c8f9af2 | 2010-07-05 10:38:01 +0000 | [diff] [blame] | 1679 | VisitDecl(D); |
Enea Zaffanella | 8c84028 | 2013-01-31 09:54:08 +0000 | [diff] [blame] | 1680 | if (Record[Idx++]) // hasFriendDecl |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1681 | D->Friend = ReadDeclAs<NamedDecl>(Record, Idx); |
Enea Zaffanella | 8c84028 | 2013-01-31 09:54:08 +0000 | [diff] [blame] | 1682 | else |
| 1683 | D->Friend = GetTypeSourceInfo(Record, Idx); |
| 1684 | for (unsigned i = 0; i != D->NumTPLists; ++i) |
| 1685 | D->getTPLists()[i] = Reader.ReadTemplateParameterList(F, Record, Idx); |
Richard Smith | 868edfa | 2013-08-30 00:23:29 +0000 | [diff] [blame] | 1686 | D->NextFriend = ReadDeclID(Record, Idx); |
John McCall | 6102ca1 | 2010-10-16 06:59:13 +0000 | [diff] [blame] | 1687 | D->UnsupportedFriend = (Record[Idx++] != 0); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1688 | D->FriendLoc = ReadSourceLocation(Record, Idx); |
Argyrios Kyrtzidis | 6764334 | 2010-06-29 22:47:00 +0000 | [diff] [blame] | 1689 | } |
| 1690 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1691 | void ASTDeclReader::VisitFriendTemplateDecl(FriendTemplateDecl *D) { |
Argyrios Kyrtzidis | 554e6aa | 2010-07-22 16:04:10 +0000 | [diff] [blame] | 1692 | VisitDecl(D); |
| 1693 | unsigned NumParams = Record[Idx++]; |
| 1694 | D->NumParams = NumParams; |
| 1695 | D->Params = new TemplateParameterList*[NumParams]; |
| 1696 | for (unsigned i = 0; i != NumParams; ++i) |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1697 | D->Params[i] = Reader.ReadTemplateParameterList(F, Record, Idx); |
Argyrios Kyrtzidis | 554e6aa | 2010-07-22 16:04:10 +0000 | [diff] [blame] | 1698 | if (Record[Idx++]) // HasFriendDecl |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1699 | D->Friend = ReadDeclAs<NamedDecl>(Record, Idx); |
Argyrios Kyrtzidis | 554e6aa | 2010-07-22 16:04:10 +0000 | [diff] [blame] | 1700 | else |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1701 | D->Friend = GetTypeSourceInfo(Record, Idx); |
| 1702 | D->FriendLoc = ReadSourceLocation(Record, Idx); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1703 | } |
| 1704 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1705 | DeclID ASTDeclReader::VisitTemplateDecl(TemplateDecl *D) { |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1706 | VisitNamedDecl(D); |
| 1707 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1708 | DeclID PatternID = ReadDeclID(Record, Idx); |
| 1709 | NamedDecl *TemplatedDecl = cast_or_null<NamedDecl>(Reader.GetDecl(PatternID)); |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 1710 | TemplateParameterList* TemplateParams |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1711 | = Reader.ReadTemplateParameterList(F, Record, Idx); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1712 | D->init(TemplatedDecl, TemplateParams); |
Richard Smith | 98f0723 | 2013-06-24 22:51:00 +0000 | [diff] [blame] | 1713 | |
| 1714 | // FIXME: If this is a redeclaration of a template from another module, handle |
| 1715 | // inheritance of default template arguments. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1716 | |
| 1717 | return PatternID; |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1718 | } |
| 1719 | |
Douglas Gregor | 0782ef2 | 2012-01-06 22:05:37 +0000 | [diff] [blame] | 1720 | ASTDeclReader::RedeclarableResult |
| 1721 | ASTDeclReader::VisitRedeclarableTemplateDecl(RedeclarableTemplateDecl *D) { |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1722 | RedeclarableResult Redecl = VisitRedeclarable(D); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1723 | |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1724 | // Make sure we've allocated the Common pointer first. We do this before |
| 1725 | // VisitTemplateDecl so that getCommonPtr() can be used during initialization. |
| 1726 | RedeclarableTemplateDecl *CanonD = D->getCanonicalDecl(); |
| 1727 | if (!CanonD->Common) { |
| 1728 | CanonD->Common = CanonD->newCommon(Reader.getContext()); |
| 1729 | Reader.PendingDefinitions.insert(CanonD); |
| 1730 | } |
| 1731 | D->Common = CanonD->Common; |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 1732 | |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1733 | // If this is the first declaration of the template, fill in the information |
| 1734 | // for the 'common' pointer. |
| 1735 | if (ThisDeclID == Redecl.getFirstID()) { |
Peter Collingbourne | 9eabeba | 2010-07-29 16:11:51 +0000 | [diff] [blame] | 1736 | if (RedeclarableTemplateDecl *RTD |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 1737 | = ReadDeclAs<RedeclarableTemplateDecl>(Record, Idx)) { |
Peter Collingbourne | 9eabeba | 2010-07-29 16:11:51 +0000 | [diff] [blame] | 1738 | assert(RTD->getKind() == D->getKind() && |
| 1739 | "InstantiatedFromMemberTemplate kind mismatch"); |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1740 | D->setInstantiatedFromMemberTemplate(RTD); |
Peter Collingbourne | 9eabeba | 2010-07-29 16:11:51 +0000 | [diff] [blame] | 1741 | if (Record[Idx++]) |
| 1742 | D->setMemberSpecialization(); |
| 1743 | } |
| 1744 | } |
Axel Naumann | b0e33d4 | 2012-10-01 09:18:00 +0000 | [diff] [blame] | 1745 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1746 | DeclID PatternID = VisitTemplateDecl(D); |
Argyrios Kyrtzidis | 6b54151 | 2010-09-08 19:31:22 +0000 | [diff] [blame] | 1747 | D->IdentifierNamespace = Record[Idx++]; |
Axel Naumann | b0e33d4 | 2012-10-01 09:18:00 +0000 | [diff] [blame] | 1748 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1749 | mergeRedeclarable(D, Redecl, PatternID); |
Axel Naumann | b0e33d4 | 2012-10-01 09:18:00 +0000 | [diff] [blame] | 1750 | |
Richard Smith | 8bfc1e1 | 2013-10-13 23:50:45 +0000 | [diff] [blame] | 1751 | // If we merged the template with a prior declaration chain, merge the common |
| 1752 | // pointer. |
| 1753 | // FIXME: Actually merge here, don't just overwrite. |
| 1754 | D->Common = D->getCanonicalDecl()->Common; |
| 1755 | |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1756 | return Redecl; |
Peter Collingbourne | 9eabeba | 2010-07-29 16:11:51 +0000 | [diff] [blame] | 1757 | } |
| 1758 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1759 | static DeclID *newDeclIDList(ASTContext &Context, DeclID *Old, |
| 1760 | SmallVectorImpl<DeclID> &IDs) { |
| 1761 | assert(!IDs.empty() && "no IDs to add to list"); |
| 1762 | if (Old) { |
| 1763 | IDs.insert(IDs.end(), Old + 1, Old + 1 + Old[0]); |
| 1764 | std::sort(IDs.begin(), IDs.end()); |
| 1765 | IDs.erase(std::unique(IDs.begin(), IDs.end()), IDs.end()); |
| 1766 | } |
| 1767 | |
| 1768 | auto *Result = new (Context) DeclID[1 + IDs.size()]; |
| 1769 | *Result = IDs.size(); |
| 1770 | std::copy(IDs.begin(), IDs.end(), Result + 1); |
| 1771 | return Result; |
| 1772 | } |
| 1773 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1774 | void ASTDeclReader::VisitClassTemplateDecl(ClassTemplateDecl *D) { |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1775 | RedeclarableResult Redecl = VisitRedeclarableTemplateDecl(D); |
Peter Collingbourne | 9eabeba | 2010-07-29 16:11:51 +0000 | [diff] [blame] | 1776 | |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1777 | if (ThisDeclID == Redecl.getFirstID()) { |
Douglas Gregor | c8e5cf8 | 2010-10-27 22:21:36 +0000 | [diff] [blame] | 1778 | // This ClassTemplateDecl owns a CommonPtr; read it to keep track of all of |
| 1779 | // the specializations. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1780 | SmallVector<serialization::DeclID, 32> SpecIDs; |
| 1781 | ReadDeclIDList(SpecIDs); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1782 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1783 | if (!SpecIDs.empty()) { |
| 1784 | auto *CommonPtr = D->getCommonPtr(); |
| 1785 | CommonPtr->LazySpecializations = newDeclIDList( |
| 1786 | Reader.getContext(), CommonPtr->LazySpecializations, SpecIDs); |
Douglas Gregor | c8e5cf8 | 2010-10-27 22:21:36 +0000 | [diff] [blame] | 1787 | } |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1788 | } |
| 1789 | |
| 1790 | if (D->getTemplatedDecl()->TemplateOrInstantiation) { |
| 1791 | // We were loaded before our templated declaration was. We've not set up |
| 1792 | // its corresponding type yet (see VisitCXXRecordDeclImpl), so reconstruct |
| 1793 | // it now. |
| 1794 | Reader.Context.getInjectedClassNameType( |
| 1795 | D->getTemplatedDecl(), D->getInjectedClassNameSpecialization()); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 1796 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1797 | } |
| 1798 | |
Larisse Voufo | 8d2a5ea | 2013-08-23 22:21:36 +0000 | [diff] [blame] | 1799 | /// TODO: Unify with ClassTemplateDecl version? |
| 1800 | /// May require unifying ClassTemplateDecl and |
| 1801 | /// VarTemplateDecl beyond TemplateDecl... |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 1802 | void ASTDeclReader::VisitVarTemplateDecl(VarTemplateDecl *D) { |
| 1803 | RedeclarableResult Redecl = VisitRedeclarableTemplateDecl(D); |
| 1804 | |
| 1805 | if (ThisDeclID == Redecl.getFirstID()) { |
Larisse Voufo | 4a91989 | 2013-08-14 03:09:19 +0000 | [diff] [blame] | 1806 | // This VarTemplateDecl owns a CommonPtr; read it to keep track of all of |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 1807 | // the specializations. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1808 | SmallVector<serialization::DeclID, 32> SpecIDs; |
| 1809 | ReadDeclIDList(SpecIDs); |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 1810 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1811 | if (!SpecIDs.empty()) { |
| 1812 | auto *CommonPtr = D->getCommonPtr(); |
| 1813 | CommonPtr->LazySpecializations = newDeclIDList( |
| 1814 | Reader.getContext(), CommonPtr->LazySpecializations, SpecIDs); |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 1815 | } |
| 1816 | } |
| 1817 | } |
| 1818 | |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 1819 | ASTDeclReader::RedeclarableResult |
| 1820 | ASTDeclReader::VisitClassTemplateSpecializationDeclImpl( |
| 1821 | ClassTemplateSpecializationDecl *D) { |
| 1822 | RedeclarableResult Redecl = VisitCXXRecordDeclImpl(D); |
Argyrios Kyrtzidis | 586c715 | 2010-09-13 11:45:32 +0000 | [diff] [blame] | 1823 | |
Douglas Gregor | 3594277 | 2011-09-09 21:34:22 +0000 | [diff] [blame] | 1824 | ASTContext &C = Reader.getContext(); |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1825 | if (Decl *InstD = ReadDecl(Record, Idx)) { |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 1826 | if (ClassTemplateDecl *CTD = dyn_cast<ClassTemplateDecl>(InstD)) { |
Argyrios Kyrtzidis | 586c715 | 2010-09-13 11:45:32 +0000 | [diff] [blame] | 1827 | D->SpecializedTemplate = CTD; |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 1828 | } else { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1829 | SmallVector<TemplateArgument, 8> TemplArgs; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1830 | Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx); |
Argyrios Kyrtzidis | 586c715 | 2010-09-13 11:45:32 +0000 | [diff] [blame] | 1831 | TemplateArgumentList *ArgList |
Douglas Gregor | 910f800 | 2010-11-07 23:05:16 +0000 | [diff] [blame] | 1832 | = TemplateArgumentList::CreateCopy(C, TemplArgs.data(), |
| 1833 | TemplArgs.size()); |
Argyrios Kyrtzidis | 586c715 | 2010-09-13 11:45:32 +0000 | [diff] [blame] | 1834 | ClassTemplateSpecializationDecl::SpecializedPartialSpecialization *PS |
| 1835 | = new (C) ClassTemplateSpecializationDecl:: |
| 1836 | SpecializedPartialSpecialization(); |
| 1837 | PS->PartialSpecialization |
| 1838 | = cast<ClassTemplatePartialSpecializationDecl>(InstD); |
| 1839 | PS->TemplateArgs = ArgList; |
| 1840 | D->SpecializedTemplate = PS; |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 1841 | } |
| 1842 | } |
| 1843 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 1844 | SmallVector<TemplateArgument, 8> TemplArgs; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1845 | Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx); |
Douglas Gregor | 910f800 | 2010-11-07 23:05:16 +0000 | [diff] [blame] | 1846 | D->TemplateArgs = TemplateArgumentList::CreateCopy(C, TemplArgs.data(), |
| 1847 | TemplArgs.size()); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1848 | D->PointOfInstantiation = ReadSourceLocation(Record, Idx); |
Argyrios Kyrtzidis | 586c715 | 2010-09-13 11:45:32 +0000 | [diff] [blame] | 1849 | D->SpecializationKind = (TemplateSpecializationKind)Record[Idx++]; |
Axel Naumann | 7b3b95a | 2012-10-01 07:34:47 +0000 | [diff] [blame] | 1850 | |
| 1851 | bool writtenAsCanonicalDecl = Record[Idx++]; |
| 1852 | if (writtenAsCanonicalDecl) { |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1853 | ClassTemplateDecl *CanonPattern = ReadDeclAs<ClassTemplateDecl>(Record,Idx); |
Axel Naumann | 7b3b95a | 2012-10-01 07:34:47 +0000 | [diff] [blame] | 1854 | if (D->isCanonicalDecl()) { // It's kept in the folding set. |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 1855 | // Set this as, or find, the canonical declaration for this specialization |
| 1856 | ClassTemplateSpecializationDecl *CanonSpec; |
Richard Smith | 9db7f57 | 2013-06-25 01:25:15 +0000 | [diff] [blame] | 1857 | if (ClassTemplatePartialSpecializationDecl *Partial = |
| 1858 | dyn_cast<ClassTemplatePartialSpecializationDecl>(D)) { |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 1859 | CanonSpec = CanonPattern->getCommonPtr()->PartialSpecializations |
Richard Smith | 9db7f57 | 2013-06-25 01:25:15 +0000 | [diff] [blame] | 1860 | .GetOrInsertNode(Partial); |
Axel Naumann | 7b3b95a | 2012-10-01 07:34:47 +0000 | [diff] [blame] | 1861 | } else { |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 1862 | CanonSpec = |
| 1863 | CanonPattern->getCommonPtr()->Specializations.GetOrInsertNode(D); |
| 1864 | } |
| 1865 | // If there was already a canonical specialization, merge into it. |
| 1866 | if (CanonSpec != D) { |
| 1867 | mergeRedeclarable<TagDecl>(D, CanonSpec, Redecl); |
| 1868 | |
| 1869 | // This declaration might be a definition. Merge with any existing |
| 1870 | // definition. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1871 | if (auto *DDD = D->DefinitionData.getNotUpdated()) { |
| 1872 | if (auto *CanonDD = CanonSpec->DefinitionData.getNotUpdated()) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 1873 | MergeDefinitionData(CanonSpec, std::move(*DDD)); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 1874 | Reader.PendingDefinitions.erase(D); |
| 1875 | Reader.MergedDeclContexts.insert( |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1876 | std::make_pair(D, CanonDD->Definition)); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 1877 | D->IsCompleteDefinition = false; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 1878 | } else { |
| 1879 | CanonSpec->DefinitionData = D->DefinitionData; |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 1880 | } |
| 1881 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1882 | D->DefinitionData = CanonSpec->DefinitionData; |
Axel Naumann | 7b3b95a | 2012-10-01 07:34:47 +0000 | [diff] [blame] | 1883 | } |
Argyrios Kyrtzidis | ecf966e | 2010-07-09 21:11:43 +0000 | [diff] [blame] | 1884 | } |
| 1885 | } |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 1886 | |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 1887 | // Explicit info. |
| 1888 | if (TypeSourceInfo *TyInfo = GetTypeSourceInfo(Record, Idx)) { |
| 1889 | ClassTemplateSpecializationDecl::ExplicitSpecializationInfo *ExplicitInfo |
| 1890 | = new (C) ClassTemplateSpecializationDecl::ExplicitSpecializationInfo; |
| 1891 | ExplicitInfo->TypeAsWritten = TyInfo; |
| 1892 | ExplicitInfo->ExternLoc = ReadSourceLocation(Record, Idx); |
| 1893 | ExplicitInfo->TemplateKeywordLoc = ReadSourceLocation(Record, Idx); |
| 1894 | D->ExplicitInfo = ExplicitInfo; |
| 1895 | } |
| 1896 | |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 1897 | return Redecl; |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1898 | } |
| 1899 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1900 | void ASTDeclReader::VisitClassTemplatePartialSpecializationDecl( |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1901 | ClassTemplatePartialSpecializationDecl *D) { |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 1902 | RedeclarableResult Redecl = VisitClassTemplateSpecializationDeclImpl(D); |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 1903 | |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 1904 | D->TemplateParams = Reader.ReadTemplateParameterList(F, Record, Idx); |
Enea Zaffanella | c1cef08 | 2013-08-10 07:24:53 +0000 | [diff] [blame] | 1905 | D->ArgsAsWritten = Reader.ReadASTTemplateArgumentListInfo(F, Record, Idx); |
Argyrios Kyrtzidis | 8fed4b4 | 2010-09-13 11:45:41 +0000 | [diff] [blame] | 1906 | |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 1907 | // These are read/set from/to the first declaration. |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 1908 | if (ThisDeclID == Redecl.getFirstID()) { |
Argyrios Kyrtzidis | 8fed4b4 | 2010-09-13 11:45:41 +0000 | [diff] [blame] | 1909 | D->InstantiatedFromMember.setPointer( |
Douglas Gregor | 409448c | 2011-07-21 22:35:25 +0000 | [diff] [blame] | 1910 | ReadDeclAs<ClassTemplatePartialSpecializationDecl>(Record, Idx)); |
Argyrios Kyrtzidis | 8fed4b4 | 2010-09-13 11:45:41 +0000 | [diff] [blame] | 1911 | D->InstantiatedFromMember.setInt(Record[Idx++]); |
Argyrios Kyrtzidis | dd41c14 | 2010-06-23 13:48:30 +0000 | [diff] [blame] | 1912 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1913 | } |
| 1914 | |
Sebastian Redl | 14c3633 | 2011-08-31 13:59:56 +0000 | [diff] [blame] | 1915 | void ASTDeclReader::VisitClassScopeFunctionSpecializationDecl( |
| 1916 | ClassScopeFunctionSpecializationDecl *D) { |
Francois Pichet | bc84532 | 2011-08-17 01:06:54 +0000 | [diff] [blame] | 1917 | VisitDecl(D); |
| 1918 | D->Specialization = ReadDeclAs<CXXMethodDecl>(Record, Idx); |
| 1919 | } |
| 1920 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 1921 | void ASTDeclReader::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) { |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1922 | RedeclarableResult Redecl = VisitRedeclarableTemplateDecl(D); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 1923 | |
Douglas Gregor | 7c99bb5c | 2012-01-14 15:13:49 +0000 | [diff] [blame] | 1924 | if (ThisDeclID == Redecl.getFirstID()) { |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 1925 | // This FunctionTemplateDecl owns a CommonPtr; read it. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1926 | SmallVector<serialization::DeclID, 32> SpecIDs; |
| 1927 | ReadDeclIDList(SpecIDs); |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 1928 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 1929 | if (!SpecIDs.empty()) { |
| 1930 | auto *CommonPtr = D->getCommonPtr(); |
| 1931 | CommonPtr->LazySpecializations = newDeclIDList( |
| 1932 | Reader.getContext(), CommonPtr->LazySpecializations, SpecIDs); |
Richard Smith | 6982bf4 | 2013-06-28 04:37:53 +0000 | [diff] [blame] | 1933 | } |
Argyrios Kyrtzidis | f511ba6 | 2010-06-22 09:55:07 +0000 | [diff] [blame] | 1934 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 1935 | } |
| 1936 | |
Larisse Voufo | 8d2a5ea | 2013-08-23 22:21:36 +0000 | [diff] [blame] | 1937 | /// TODO: Unify with ClassTemplateSpecializationDecl version? |
| 1938 | /// May require unifying ClassTemplate(Partial)SpecializationDecl and |
| 1939 | /// VarTemplate(Partial)SpecializationDecl with a new data |
| 1940 | /// structure Template(Partial)SpecializationDecl, and |
| 1941 | /// using Template(Partial)SpecializationDecl as input type. |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 1942 | ASTDeclReader::RedeclarableResult |
| 1943 | ASTDeclReader::VisitVarTemplateSpecializationDeclImpl( |
| 1944 | VarTemplateSpecializationDecl *D) { |
| 1945 | RedeclarableResult Redecl = VisitVarDeclImpl(D); |
| 1946 | |
| 1947 | ASTContext &C = Reader.getContext(); |
| 1948 | if (Decl *InstD = ReadDecl(Record, Idx)) { |
| 1949 | if (VarTemplateDecl *VTD = dyn_cast<VarTemplateDecl>(InstD)) { |
| 1950 | D->SpecializedTemplate = VTD; |
| 1951 | } else { |
| 1952 | SmallVector<TemplateArgument, 8> TemplArgs; |
| 1953 | Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx); |
| 1954 | TemplateArgumentList *ArgList = TemplateArgumentList::CreateCopy( |
| 1955 | C, TemplArgs.data(), TemplArgs.size()); |
| 1956 | VarTemplateSpecializationDecl::SpecializedPartialSpecialization *PS = |
| 1957 | new (C) |
| 1958 | VarTemplateSpecializationDecl::SpecializedPartialSpecialization(); |
| 1959 | PS->PartialSpecialization = |
| 1960 | cast<VarTemplatePartialSpecializationDecl>(InstD); |
| 1961 | PS->TemplateArgs = ArgList; |
| 1962 | D->SpecializedTemplate = PS; |
| 1963 | } |
| 1964 | } |
| 1965 | |
| 1966 | // Explicit info. |
| 1967 | if (TypeSourceInfo *TyInfo = GetTypeSourceInfo(Record, Idx)) { |
| 1968 | VarTemplateSpecializationDecl::ExplicitSpecializationInfo *ExplicitInfo = |
| 1969 | new (C) VarTemplateSpecializationDecl::ExplicitSpecializationInfo; |
| 1970 | ExplicitInfo->TypeAsWritten = TyInfo; |
| 1971 | ExplicitInfo->ExternLoc = ReadSourceLocation(Record, Idx); |
| 1972 | ExplicitInfo->TemplateKeywordLoc = ReadSourceLocation(Record, Idx); |
| 1973 | D->ExplicitInfo = ExplicitInfo; |
| 1974 | } |
| 1975 | |
| 1976 | SmallVector<TemplateArgument, 8> TemplArgs; |
| 1977 | Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx); |
| 1978 | D->TemplateArgs = |
| 1979 | TemplateArgumentList::CreateCopy(C, TemplArgs.data(), TemplArgs.size()); |
| 1980 | D->PointOfInstantiation = ReadSourceLocation(Record, Idx); |
| 1981 | D->SpecializationKind = (TemplateSpecializationKind)Record[Idx++]; |
| 1982 | |
| 1983 | bool writtenAsCanonicalDecl = Record[Idx++]; |
| 1984 | if (writtenAsCanonicalDecl) { |
| 1985 | VarTemplateDecl *CanonPattern = ReadDeclAs<VarTemplateDecl>(Record, Idx); |
| 1986 | if (D->isCanonicalDecl()) { // It's kept in the folding set. |
| 1987 | if (VarTemplatePartialSpecializationDecl *Partial = |
| 1988 | dyn_cast<VarTemplatePartialSpecializationDecl>(D)) { |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 1989 | CanonPattern->getCommonPtr()->PartialSpecializations |
| 1990 | .GetOrInsertNode(Partial); |
| 1991 | } else { |
| 1992 | CanonPattern->getCommonPtr()->Specializations.GetOrInsertNode(D); |
| 1993 | } |
| 1994 | } |
| 1995 | } |
| 1996 | |
| 1997 | return Redecl; |
| 1998 | } |
| 1999 | |
Larisse Voufo | 8d2a5ea | 2013-08-23 22:21:36 +0000 | [diff] [blame] | 2000 | /// TODO: Unify with ClassTemplatePartialSpecializationDecl version? |
| 2001 | /// May require unifying ClassTemplate(Partial)SpecializationDecl and |
| 2002 | /// VarTemplate(Partial)SpecializationDecl with a new data |
| 2003 | /// structure Template(Partial)SpecializationDecl, and |
| 2004 | /// using Template(Partial)SpecializationDecl as input type. |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 2005 | void ASTDeclReader::VisitVarTemplatePartialSpecializationDecl( |
| 2006 | VarTemplatePartialSpecializationDecl *D) { |
| 2007 | RedeclarableResult Redecl = VisitVarTemplateSpecializationDeclImpl(D); |
| 2008 | |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 2009 | D->TemplateParams = Reader.ReadTemplateParameterList(F, Record, Idx); |
Enea Zaffanella | c1cef08 | 2013-08-10 07:24:53 +0000 | [diff] [blame] | 2010 | D->ArgsAsWritten = Reader.ReadASTTemplateArgumentListInfo(F, Record, Idx); |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 2011 | |
| 2012 | // These are read/set from/to the first declaration. |
| 2013 | if (ThisDeclID == Redecl.getFirstID()) { |
| 2014 | D->InstantiatedFromMember.setPointer( |
| 2015 | ReadDeclAs<VarTemplatePartialSpecializationDecl>(Record, Idx)); |
| 2016 | D->InstantiatedFromMember.setInt(Record[Idx++]); |
| 2017 | } |
| 2018 | } |
| 2019 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 2020 | void ASTDeclReader::VisitTemplateTypeParmDecl(TemplateTypeParmDecl *D) { |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 2021 | VisitTypeDecl(D); |
| 2022 | |
| 2023 | D->setDeclaredWithTypename(Record[Idx++]); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 2024 | |
| 2025 | bool Inherited = Record[Idx++]; |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 2026 | TypeSourceInfo *DefArg = GetTypeSourceInfo(Record, Idx); |
Argyrios Kyrtzidis | 8731ca7 | 2010-06-19 19:29:09 +0000 | [diff] [blame] | 2027 | D->setDefaultArgument(DefArg, Inherited); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 2028 | } |
| 2029 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 2030 | void ASTDeclReader::VisitNonTypeTemplateParmDecl(NonTypeTemplateParmDecl *D) { |
John McCall | 76a4021 | 2011-02-09 01:13:10 +0000 | [diff] [blame] | 2031 | VisitDeclaratorDecl(D); |
Argyrios Kyrtzidis | b24e199 | 2010-06-25 16:25:09 +0000 | [diff] [blame] | 2032 | // TemplateParmPosition. |
| 2033 | D->setDepth(Record[Idx++]); |
| 2034 | D->setPosition(Record[Idx++]); |
Douglas Gregor | 6952f1e | 2011-01-19 20:10:05 +0000 | [diff] [blame] | 2035 | if (D->isExpandedParameterPack()) { |
| 2036 | void **Data = reinterpret_cast<void **>(D + 1); |
| 2037 | for (unsigned I = 0, N = D->getNumExpansionTypes(); I != N; ++I) { |
Douglas Gregor | 393f249 | 2011-07-22 00:38:23 +0000 | [diff] [blame] | 2038 | Data[2*I] = Reader.readType(F, Record, Idx).getAsOpaquePtr(); |
Douglas Gregor | 6952f1e | 2011-01-19 20:10:05 +0000 | [diff] [blame] | 2039 | Data[2*I + 1] = GetTypeSourceInfo(Record, Idx); |
| 2040 | } |
| 2041 | } else { |
| 2042 | // Rest of NonTypeTemplateParmDecl. |
| 2043 | D->ParameterPack = Record[Idx++]; |
| 2044 | if (Record[Idx++]) { |
| 2045 | Expr *DefArg = Reader.ReadExpr(F); |
| 2046 | bool Inherited = Record[Idx++]; |
| 2047 | D->setDefaultArgument(DefArg, Inherited); |
| 2048 | } |
| 2049 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 2050 | } |
| 2051 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 2052 | void ASTDeclReader::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) { |
Argyrios Kyrtzidis | bfcc92c | 2010-07-08 17:12:57 +0000 | [diff] [blame] | 2053 | VisitTemplateDecl(D); |
| 2054 | // TemplateParmPosition. |
| 2055 | D->setDepth(Record[Idx++]); |
| 2056 | D->setPosition(Record[Idx++]); |
Richard Smith | 6964b3f | 2012-09-07 02:06:42 +0000 | [diff] [blame] | 2057 | if (D->isExpandedParameterPack()) { |
| 2058 | void **Data = reinterpret_cast<void **>(D + 1); |
| 2059 | for (unsigned I = 0, N = D->getNumExpansionTemplateParameters(); |
| 2060 | I != N; ++I) |
| 2061 | Data[I] = Reader.ReadTemplateParameterList(F, Record, Idx); |
| 2062 | } else { |
| 2063 | // Rest of TemplateTemplateParmDecl. |
| 2064 | TemplateArgumentLoc Arg = Reader.ReadTemplateArgumentLoc(F, Record, Idx); |
| 2065 | bool IsInherited = Record[Idx++]; |
| 2066 | D->setDefaultArgument(Arg, IsInherited); |
| 2067 | D->ParameterPack = Record[Idx++]; |
| 2068 | } |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 2069 | } |
| 2070 | |
Richard Smith | 3e4c6c4 | 2011-05-05 21:57:07 +0000 | [diff] [blame] | 2071 | void ASTDeclReader::VisitTypeAliasTemplateDecl(TypeAliasTemplateDecl *D) { |
| 2072 | VisitRedeclarableTemplateDecl(D); |
| 2073 | } |
| 2074 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 2075 | void ASTDeclReader::VisitStaticAssertDecl(StaticAssertDecl *D) { |
Argyrios Kyrtzidis | 0d39689 | 2010-07-22 17:28:12 +0000 | [diff] [blame] | 2076 | VisitDecl(D); |
Richard Smith | e3f470a | 2012-07-11 22:37:56 +0000 | [diff] [blame] | 2077 | D->AssertExprAndFailed.setPointer(Reader.ReadExpr(F)); |
| 2078 | D->AssertExprAndFailed.setInt(Record[Idx++]); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 2079 | D->Message = cast<StringLiteral>(Reader.ReadExpr(F)); |
Abramo Bagnara | a2026c9 | 2011-03-08 16:41:52 +0000 | [diff] [blame] | 2080 | D->RParenLoc = ReadSourceLocation(Record, Idx); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 2081 | } |
| 2082 | |
Michael Han | 684aa73 | 2013-02-22 17:15:32 +0000 | [diff] [blame] | 2083 | void ASTDeclReader::VisitEmptyDecl(EmptyDecl *D) { |
| 2084 | VisitDecl(D); |
| 2085 | } |
| 2086 | |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2087 | std::pair<uint64_t, uint64_t> |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 2088 | ASTDeclReader::VisitDeclContext(DeclContext *DC) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2089 | uint64_t LexicalOffset = Record[Idx++]; |
| 2090 | uint64_t VisibleOffset = Record[Idx++]; |
| 2091 | return std::make_pair(LexicalOffset, VisibleOffset); |
| 2092 | } |
| 2093 | |
Argyrios Kyrtzidis | a865005 | 2010-08-03 17:30:10 +0000 | [diff] [blame] | 2094 | template <typename T> |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2095 | ASTDeclReader::RedeclarableResult |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2096 | ASTDeclReader::VisitRedeclarable(Redeclarable<T> *D) { |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 2097 | DeclID FirstDeclID = ReadDeclID(Record, Idx); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2098 | Decl *MergeWith = nullptr; |
| 2099 | |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 2100 | // 0 indicates that this declaration was the only declaration of its entity, |
| 2101 | // and is used for space optimization. |
| 2102 | if (FirstDeclID == 0) |
Douglas Gregor | f63b0a5 | 2011-12-19 18:19:24 +0000 | [diff] [blame] | 2103 | FirstDeclID = ThisDeclID; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2104 | else if (unsigned N = Record[Idx++]) { |
| 2105 | // We have some declarations that must be before us in our redeclaration |
| 2106 | // chain. Read them now, and remember that we ought to merge with one of |
| 2107 | // them. |
| 2108 | // FIXME: Provide a known merge target to the second and subsequent such |
| 2109 | // declaration. |
| 2110 | for (unsigned I = 0; I != N; ++I) |
| 2111 | MergeWith = ReadDecl(Record, Idx/*, MergeWith*/); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2112 | } |
| 2113 | |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 2114 | T *FirstDecl = cast_or_null<T>(Reader.GetDecl(FirstDeclID)); |
| 2115 | if (FirstDecl != D) { |
Argyrios Kyrtzidis | 0895d15 | 2011-02-12 07:50:47 +0000 | [diff] [blame] | 2116 | // We delay loading of the redeclaration chain to avoid deeply nested calls. |
| 2117 | // We temporarily set the first (canonical) declaration as the previous one |
| 2118 | // which is the one that matters and mark the real previous DeclID to be |
| 2119 | // loaded & attached later on. |
David Blaikie | dec1776 | 2012-05-28 19:38:42 +0000 | [diff] [blame] | 2120 | D->RedeclLink = Redeclarable<T>::PreviousDeclLink(FirstDecl); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2121 | D->First = FirstDecl->getCanonicalDecl(); |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 2122 | } |
| 2123 | |
| 2124 | // Note that this declaration has been deserialized. |
| 2125 | Reader.RedeclsDeserialized.insert(static_cast<T *>(D)); |
| 2126 | |
| 2127 | // The result structure takes care to note that we need to load the |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2128 | // other declaration chains for this ID. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2129 | return RedeclarableResult(Reader, FirstDeclID, MergeWith, |
Douglas Gregor | 9cfdc03 | 2013-01-21 16:16:40 +0000 | [diff] [blame] | 2130 | static_cast<T *>(D)->getKind()); |
Argyrios Kyrtzidis | a865005 | 2010-08-03 17:30:10 +0000 | [diff] [blame] | 2131 | } |
| 2132 | |
Douglas Gregor | dea22cc | 2012-01-03 17:27:13 +0000 | [diff] [blame] | 2133 | /// \brief Attempts to merge the given declaration (D) with another declaration |
| 2134 | /// of the same entity. |
| 2135 | template<typename T> |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2136 | void ASTDeclReader::mergeRedeclarable(Redeclarable<T> *DBase, |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2137 | RedeclarableResult &Redecl, |
| 2138 | DeclID TemplatePatternID) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2139 | T *D = static_cast<T*>(DBase); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2140 | |
Douglas Gregor | 674949f | 2012-01-03 17:31:38 +0000 | [diff] [blame] | 2141 | // If modules are not available, there is no reason to perform this merge. |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 2142 | if (!Reader.getContext().getLangOpts().Modules) |
Douglas Gregor | 674949f | 2012-01-03 17:31:38 +0000 | [diff] [blame] | 2143 | return; |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2144 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2145 | // If we're not the canonical declaration, we don't need to merge. |
| 2146 | if (!DBase->isFirstDecl()) |
| 2147 | return; |
| 2148 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2149 | if (auto *Existing = Redecl.getKnownMergeTarget()) |
| 2150 | // We already know of an existing declaration we should merge with. |
| 2151 | mergeRedeclarable(D, cast<T>(Existing), Redecl, TemplatePatternID); |
| 2152 | else if (FindExistingResult ExistingRes = findExisting(D)) |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2153 | if (T *Existing = ExistingRes) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2154 | mergeRedeclarable(D, Existing, Redecl, TemplatePatternID); |
| 2155 | } |
| 2156 | |
| 2157 | /// \brief "Cast" to type T, asserting if we don't have an implicit conversion. |
| 2158 | /// We use this to put code in a template that will only be valid for certain |
| 2159 | /// instantiations. |
| 2160 | template<typename T> static T assert_cast(T t) { return t; } |
| 2161 | template<typename T> static T assert_cast(...) { |
| 2162 | llvm_unreachable("bad assert_cast"); |
| 2163 | } |
| 2164 | |
| 2165 | /// \brief Merge together the pattern declarations from two template |
| 2166 | /// declarations. |
| 2167 | void ASTDeclReader::mergeTemplatePattern(RedeclarableTemplateDecl *D, |
| 2168 | RedeclarableTemplateDecl *Existing, |
| 2169 | DeclID DsID) { |
| 2170 | auto *DPattern = D->getTemplatedDecl(); |
| 2171 | auto *ExistingPattern = Existing->getTemplatedDecl(); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2172 | RedeclarableResult Result(Reader, DPattern->getCanonicalDecl()->getGlobalID(), |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2173 | /*MergeWith*/ExistingPattern, DPattern->getKind()); |
| 2174 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2175 | if (auto *DClass = dyn_cast<CXXRecordDecl>(DPattern)) { |
| 2176 | // Merge with any existing definition. |
| 2177 | // FIXME: This is duplicated in several places. Refactor. |
| 2178 | auto *ExistingClass = |
| 2179 | cast<CXXRecordDecl>(ExistingPattern)->getCanonicalDecl(); |
| 2180 | if (auto *DDD = DClass->DefinitionData.getNotUpdated()) { |
| 2181 | if (auto *ExistingDD = ExistingClass->DefinitionData.getNotUpdated()) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2182 | MergeDefinitionData(ExistingClass, std::move(*DDD)); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2183 | Reader.PendingDefinitions.erase(DClass); |
| 2184 | Reader.MergedDeclContexts.insert( |
| 2185 | std::make_pair(DClass, ExistingDD->Definition)); |
| 2186 | DClass->IsCompleteDefinition = false; |
| 2187 | } else { |
| 2188 | ExistingClass->DefinitionData = DClass->DefinitionData; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2189 | Reader.PendingDefinitions.insert(DClass); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2190 | } |
| 2191 | } |
| 2192 | DClass->DefinitionData = ExistingClass->DefinitionData; |
| 2193 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2194 | return mergeRedeclarable(DClass, cast<TagDecl>(ExistingPattern), |
| 2195 | Result); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2196 | } |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2197 | if (auto *DFunction = dyn_cast<FunctionDecl>(DPattern)) |
| 2198 | return mergeRedeclarable(DFunction, cast<FunctionDecl>(ExistingPattern), |
| 2199 | Result); |
| 2200 | if (auto *DVar = dyn_cast<VarDecl>(DPattern)) |
| 2201 | return mergeRedeclarable(DVar, cast<VarDecl>(ExistingPattern), Result); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2202 | if (auto *DAlias = dyn_cast<TypeAliasDecl>(DPattern)) |
| 2203 | return mergeRedeclarable(DAlias, cast<TypedefNameDecl>(ExistingPattern), |
| 2204 | Result); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2205 | llvm_unreachable("merged an unknown kind of redeclarable template"); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2206 | } |
| 2207 | |
| 2208 | /// \brief Attempts to merge the given declaration (D) with another declaration |
| 2209 | /// of the same entity. |
| 2210 | template<typename T> |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2211 | void ASTDeclReader::mergeRedeclarable(Redeclarable<T> *DBase, T *Existing, |
| 2212 | RedeclarableResult &Redecl, |
| 2213 | DeclID TemplatePatternID) { |
| 2214 | T *D = static_cast<T*>(DBase); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2215 | T *ExistingCanon = Existing->getCanonicalDecl(); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2216 | T *DCanon = D->getCanonicalDecl(); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2217 | if (ExistingCanon != DCanon) { |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2218 | assert(DCanon->getGlobalID() == Redecl.getFirstID() && |
| 2219 | "already merged this declaration"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2220 | |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2221 | // Have our redeclaration link point back at the canonical declaration |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2222 | // of the existing declaration, so that this declaration has the |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2223 | // appropriate canonical declaration. |
| 2224 | D->RedeclLink = Redeclarable<T>::PreviousDeclLink(ExistingCanon); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2225 | D->First = ExistingCanon; |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2226 | |
| 2227 | // When we merge a namespace, update its pointer to the first namespace. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2228 | // We cannot have loaded any redeclarations of this declaration yet, so |
| 2229 | // there's nothing else that needs to be updated. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2230 | if (auto *Namespace = dyn_cast<NamespaceDecl>(D)) |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2231 | Namespace->AnonOrFirstNamespaceAndInline.setPointer( |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2232 | assert_cast<NamespaceDecl*>(ExistingCanon)); |
| 2233 | |
| 2234 | // When we merge a template, merge its pattern. |
| 2235 | if (auto *DTemplate = dyn_cast<RedeclarableTemplateDecl>(D)) |
| 2236 | mergeTemplatePattern( |
| 2237 | DTemplate, assert_cast<RedeclarableTemplateDecl*>(ExistingCanon), |
| 2238 | TemplatePatternID); |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2239 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2240 | // If this declaration was the canonical declaration, make a note of that. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2241 | if (DCanon == D) { |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2242 | Reader.MergedDecls[ExistingCanon].push_back(Redecl.getFirstID()); |
| 2243 | if (Reader.PendingDeclChainsKnown.insert(ExistingCanon).second) |
| 2244 | Reader.PendingDeclChains.push_back(ExistingCanon); |
Douglas Gregor | dea22cc | 2012-01-03 17:27:13 +0000 | [diff] [blame] | 2245 | } |
| 2246 | } |
| 2247 | } |
| 2248 | |
Richard Smith | 4ed0122 | 2013-10-07 08:02:11 +0000 | [diff] [blame] | 2249 | /// \brief Attempts to merge the given declaration (D) with another declaration |
| 2250 | /// of the same entity, for the case where the entity is not actually |
| 2251 | /// redeclarable. This happens, for instance, when merging the fields of |
| 2252 | /// identical class definitions from two different modules. |
| 2253 | template<typename T> |
| 2254 | void ASTDeclReader::mergeMergeable(Mergeable<T> *D) { |
| 2255 | // If modules are not available, there is no reason to perform this merge. |
| 2256 | if (!Reader.getContext().getLangOpts().Modules) |
| 2257 | return; |
| 2258 | |
Richard Smith | d692a84 | 2013-10-15 22:02:41 +0000 | [diff] [blame] | 2259 | // ODR-based merging is only performed in C++. In C, identically-named things |
| 2260 | // in different translation units are not redeclarations (but may still have |
| 2261 | // compatible types). |
| 2262 | if (!Reader.getContext().getLangOpts().CPlusPlus) |
| 2263 | return; |
| 2264 | |
Richard Smith | 4ed0122 | 2013-10-07 08:02:11 +0000 | [diff] [blame] | 2265 | if (FindExistingResult ExistingRes = findExisting(static_cast<T*>(D))) |
| 2266 | if (T *Existing = ExistingRes) |
| 2267 | Reader.Context.setPrimaryMergedDecl(static_cast<T*>(D), |
| 2268 | Existing->getCanonicalDecl()); |
| 2269 | } |
| 2270 | |
Alexey Bataev | c640058 | 2013-03-22 06:34:35 +0000 | [diff] [blame] | 2271 | void ASTDeclReader::VisitOMPThreadPrivateDecl(OMPThreadPrivateDecl *D) { |
| 2272 | VisitDecl(D); |
| 2273 | unsigned NumVars = D->varlist_size(); |
Alexey Bataev | 6af701f | 2013-05-13 04:18:18 +0000 | [diff] [blame] | 2274 | SmallVector<Expr *, 16> Vars; |
Alexey Bataev | c640058 | 2013-03-22 06:34:35 +0000 | [diff] [blame] | 2275 | Vars.reserve(NumVars); |
| 2276 | for (unsigned i = 0; i != NumVars; ++i) { |
Alexey Bataev | 6af701f | 2013-05-13 04:18:18 +0000 | [diff] [blame] | 2277 | Vars.push_back(Reader.ReadExpr(F)); |
Alexey Bataev | c640058 | 2013-03-22 06:34:35 +0000 | [diff] [blame] | 2278 | } |
| 2279 | D->setVars(Vars); |
| 2280 | } |
| 2281 | |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2282 | //===----------------------------------------------------------------------===// |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 2283 | // Attribute Reading |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2284 | //===----------------------------------------------------------------------===// |
| 2285 | |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 2286 | /// \brief Reads attributes from the current stream position. |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 2287 | void ASTReader::ReadAttributes(ModuleFile &F, AttrVec &Attrs, |
Argyrios Kyrtzidis | 4eb9fc0 | 2010-10-18 19:20:11 +0000 | [diff] [blame] | 2288 | const RecordData &Record, unsigned &Idx) { |
| 2289 | for (unsigned i = 0, e = Record[Idx++]; i != e; ++i) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2290 | Attr *New = nullptr; |
Sean Hunt | 387475d | 2010-06-16 23:43:53 +0000 | [diff] [blame] | 2291 | attr::Kind Kind = (attr::Kind)Record[Idx++]; |
Argyrios Kyrtzidis | 768d6ca | 2011-09-13 16:05:58 +0000 | [diff] [blame] | 2292 | SourceRange Range = ReadSourceRange(F, Record, Idx); |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 2293 | |
Sean Hunt | cf807c4 | 2010-08-18 23:23:40 +0000 | [diff] [blame] | 2294 | #include "clang/Serialization/AttrPCHRead.inc" |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 2295 | |
| 2296 | assert(New && "Unable to decode attribute?"); |
Sean Hunt | cf807c4 | 2010-08-18 23:23:40 +0000 | [diff] [blame] | 2297 | Attrs.push_back(New); |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 2298 | } |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 2299 | } |
| 2300 | |
| 2301 | //===----------------------------------------------------------------------===// |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 2302 | // ASTReader Implementation |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 2303 | //===----------------------------------------------------------------------===// |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2304 | |
| 2305 | /// \brief Note that we have loaded the declaration with the given |
| 2306 | /// Index. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2307 | /// |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2308 | /// This routine notes that this declaration has already been loaded, |
| 2309 | /// so that future GetDecl calls will return this declaration rather |
| 2310 | /// than trying to load a new declaration. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 2311 | inline void ASTReader::LoadedDecl(unsigned Index, Decl *D) { |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2312 | assert(!DeclsLoaded[Index] && "Decl loaded twice?"); |
| 2313 | DeclsLoaded[Index] = D; |
| 2314 | } |
| 2315 | |
| 2316 | |
| 2317 | /// \brief Determine whether the consumer will be interested in seeing |
| 2318 | /// this declaration (via HandleTopLevelDecl). |
| 2319 | /// |
| 2320 | /// This routine should return true for anything that might affect |
| 2321 | /// code generation, e.g., inline function definitions, Objective-C |
| 2322 | /// declarations with metadata, etc. |
Douglas Gregor | 5456b0fe | 2012-10-09 17:21:28 +0000 | [diff] [blame] | 2323 | static bool isConsumerInterestedIn(Decl *D, bool HasBody) { |
Argyrios Kyrtzidis | 144b38a | 2011-09-13 21:35:00 +0000 | [diff] [blame] | 2324 | // An ObjCMethodDecl is never considered as "interesting" because its |
| 2325 | // implementation container always is. |
| 2326 | |
Douglas Gregor | 94da158 | 2011-09-10 00:22:34 +0000 | [diff] [blame] | 2327 | if (isa<FileScopeAsmDecl>(D) || |
| 2328 | isa<ObjCProtocolDecl>(D) || |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 2329 | isa<ObjCImplDecl>(D) || |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2330 | isa<ImportDecl>(D) || |
| 2331 | isa<OMPThreadPrivateDecl>(D)) |
Daniel Dunbar | 04a0b50 | 2009-09-17 03:06:44 +0000 | [diff] [blame] | 2332 | return true; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2333 | if (VarDecl *Var = dyn_cast<VarDecl>(D)) |
Argyrios Kyrtzidis | 3f95477 | 2010-08-05 09:47:59 +0000 | [diff] [blame] | 2334 | return Var->isFileVarDecl() && |
| 2335 | Var->isThisDeclarationADefinition() == VarDecl::Definition; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2336 | if (FunctionDecl *Func = dyn_cast<FunctionDecl>(D)) |
Douglas Gregor | 5456b0fe | 2012-10-09 17:21:28 +0000 | [diff] [blame] | 2337 | return Func->doesThisDeclarationHaveABody() || HasBody; |
Douglas Gregor | 94da158 | 2011-09-10 00:22:34 +0000 | [diff] [blame] | 2338 | |
| 2339 | return false; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2340 | } |
| 2341 | |
Douglas Gregor | 96e973f | 2011-07-20 00:27:43 +0000 | [diff] [blame] | 2342 | /// \brief Get the correct cursor and offset for loading a declaration. |
Sebastian Redl | c43b54c | 2010-08-18 23:56:43 +0000 | [diff] [blame] | 2343 | ASTReader::RecordLocation |
Argyrios Kyrtzidis | 9d31fa7 | 2011-10-27 18:47:35 +0000 | [diff] [blame] | 2344 | ASTReader::DeclCursorForID(DeclID ID, unsigned &RawLocation) { |
Sebastian Redl | 0b17c61 | 2010-08-13 00:28:03 +0000 | [diff] [blame] | 2345 | // See if there's an override. |
| 2346 | DeclReplacementMap::iterator It = ReplacedDecls.find(ID); |
Argyrios Kyrtzidis | ef23b60 | 2011-10-31 07:20:15 +0000 | [diff] [blame] | 2347 | if (It != ReplacedDecls.end()) { |
| 2348 | RawLocation = It->second.RawLoc; |
| 2349 | return RecordLocation(It->second.Mod, It->second.Offset); |
| 2350 | } |
Sebastian Redl | 0b17c61 | 2010-08-13 00:28:03 +0000 | [diff] [blame] | 2351 | |
Douglas Gregor | 96e973f | 2011-07-20 00:27:43 +0000 | [diff] [blame] | 2352 | GlobalDeclMapType::iterator I = GlobalDeclMap.find(ID); |
| 2353 | assert(I != GlobalDeclMap.end() && "Corrupted global declaration map"); |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 2354 | ModuleFile *M = I->second; |
Argyrios Kyrtzidis | 9d31fa7 | 2011-10-27 18:47:35 +0000 | [diff] [blame] | 2355 | const DeclOffset & |
| 2356 | DOffs = M->DeclOffsets[ID - M->BaseDeclID - NUM_PREDEF_DECL_IDS]; |
| 2357 | RawLocation = DOffs.Loc; |
| 2358 | return RecordLocation(M, DOffs.BitOffset); |
Sebastian Redl | cb526aa | 2010-07-20 22:46:15 +0000 | [diff] [blame] | 2359 | } |
| 2360 | |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 2361 | ASTReader::RecordLocation ASTReader::getLocalBitOffset(uint64_t GlobalOffset) { |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 2362 | ContinuousRangeMap<uint64_t, ModuleFile*, 4>::iterator I |
Douglas Gregor | 8f1231b | 2011-07-22 06:10:01 +0000 | [diff] [blame] | 2363 | = GlobalBitOffsetsMap.find(GlobalOffset); |
| 2364 | |
| 2365 | assert(I != GlobalBitOffsetsMap.end() && "Corrupted global bit offsets map"); |
| 2366 | return RecordLocation(I->second, GlobalOffset - I->second->GlobalBitOffset); |
| 2367 | } |
| 2368 | |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 2369 | uint64_t ASTReader::getGlobalBitOffset(ModuleFile &M, uint32_t LocalOffset) { |
Douglas Gregor | e92b8a1 | 2011-08-04 00:01:48 +0000 | [diff] [blame] | 2370 | return LocalOffset + M.GlobalBitOffset; |
| 2371 | } |
| 2372 | |
Richard Smith | 98f0723 | 2013-06-24 22:51:00 +0000 | [diff] [blame] | 2373 | static bool isSameTemplateParameterList(const TemplateParameterList *X, |
| 2374 | const TemplateParameterList *Y); |
| 2375 | |
| 2376 | /// \brief Determine whether two template parameters are similar enough |
| 2377 | /// that they may be used in declarations of the same template. |
| 2378 | static bool isSameTemplateParameter(const NamedDecl *X, |
| 2379 | const NamedDecl *Y) { |
| 2380 | if (X->getKind() != Y->getKind()) |
| 2381 | return false; |
| 2382 | |
| 2383 | if (const TemplateTypeParmDecl *TX = dyn_cast<TemplateTypeParmDecl>(X)) { |
| 2384 | const TemplateTypeParmDecl *TY = cast<TemplateTypeParmDecl>(Y); |
| 2385 | return TX->isParameterPack() == TY->isParameterPack(); |
| 2386 | } |
| 2387 | |
| 2388 | if (const NonTypeTemplateParmDecl *TX = dyn_cast<NonTypeTemplateParmDecl>(X)) { |
| 2389 | const NonTypeTemplateParmDecl *TY = cast<NonTypeTemplateParmDecl>(Y); |
| 2390 | return TX->isParameterPack() == TY->isParameterPack() && |
| 2391 | TX->getASTContext().hasSameType(TX->getType(), TY->getType()); |
| 2392 | } |
| 2393 | |
| 2394 | const TemplateTemplateParmDecl *TX = cast<TemplateTemplateParmDecl>(X); |
| 2395 | const TemplateTemplateParmDecl *TY = cast<TemplateTemplateParmDecl>(Y); |
| 2396 | return TX->isParameterPack() == TY->isParameterPack() && |
| 2397 | isSameTemplateParameterList(TX->getTemplateParameters(), |
| 2398 | TY->getTemplateParameters()); |
| 2399 | } |
| 2400 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2401 | static NamespaceDecl *getNamespace(const NestedNameSpecifier *X) { |
| 2402 | if (auto *NS = X->getAsNamespace()) |
| 2403 | return NS; |
| 2404 | if (auto *NAS = X->getAsNamespaceAlias()) |
| 2405 | return NAS->getNamespace(); |
| 2406 | return nullptr; |
| 2407 | } |
| 2408 | |
| 2409 | static bool isSameQualifier(const NestedNameSpecifier *X, |
| 2410 | const NestedNameSpecifier *Y) { |
| 2411 | if (auto *NSX = getNamespace(X)) { |
| 2412 | auto *NSY = getNamespace(Y); |
| 2413 | if (!NSY || NSX->getCanonicalDecl() != NSY->getCanonicalDecl()) |
| 2414 | return false; |
| 2415 | } else if (X->getKind() != Y->getKind()) |
| 2416 | return false; |
| 2417 | |
| 2418 | // FIXME: For namespaces and types, we're permitted to check that the entity |
| 2419 | // is named via the same tokens. We should probably do so. |
| 2420 | switch (X->getKind()) { |
| 2421 | case NestedNameSpecifier::Identifier: |
| 2422 | if (X->getAsIdentifier() != Y->getAsIdentifier()) |
| 2423 | return false; |
| 2424 | break; |
| 2425 | case NestedNameSpecifier::Namespace: |
| 2426 | case NestedNameSpecifier::NamespaceAlias: |
| 2427 | // We've already checked that we named the same namespace. |
| 2428 | break; |
| 2429 | case NestedNameSpecifier::TypeSpec: |
| 2430 | case NestedNameSpecifier::TypeSpecWithTemplate: |
| 2431 | if (X->getAsType()->getCanonicalTypeInternal() != |
| 2432 | Y->getAsType()->getCanonicalTypeInternal()) |
| 2433 | return false; |
| 2434 | break; |
| 2435 | case NestedNameSpecifier::Global: |
| 2436 | case NestedNameSpecifier::Super: |
| 2437 | return true; |
| 2438 | } |
| 2439 | |
| 2440 | // Recurse into earlier portion of NNS, if any. |
| 2441 | auto *PX = X->getPrefix(); |
| 2442 | auto *PY = Y->getPrefix(); |
| 2443 | if (PX && PY) |
| 2444 | return isSameQualifier(PX, PY); |
| 2445 | return !PX && !PY; |
| 2446 | } |
| 2447 | |
Richard Smith | 98f0723 | 2013-06-24 22:51:00 +0000 | [diff] [blame] | 2448 | /// \brief Determine whether two template parameter lists are similar enough |
| 2449 | /// that they may be used in declarations of the same template. |
| 2450 | static bool isSameTemplateParameterList(const TemplateParameterList *X, |
| 2451 | const TemplateParameterList *Y) { |
| 2452 | if (X->size() != Y->size()) |
| 2453 | return false; |
| 2454 | |
| 2455 | for (unsigned I = 0, N = X->size(); I != N; ++I) |
| 2456 | if (!isSameTemplateParameter(X->getParam(I), Y->getParam(I))) |
| 2457 | return false; |
| 2458 | |
| 2459 | return true; |
| 2460 | } |
| 2461 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2462 | /// \brief Determine whether the two declarations refer to the same entity. |
| 2463 | static bool isSameEntity(NamedDecl *X, NamedDecl *Y) { |
| 2464 | assert(X->getDeclName() == Y->getDeclName() && "Declaration name mismatch!"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2465 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2466 | if (X == Y) |
| 2467 | return true; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2468 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2469 | // Must be in the same context. |
| 2470 | if (!X->getDeclContext()->getRedeclContext()->Equals( |
| 2471 | Y->getDeclContext()->getRedeclContext())) |
| 2472 | return false; |
Douglas Gregor | da795b4 | 2012-01-04 16:44:10 +0000 | [diff] [blame] | 2473 | |
| 2474 | // Two typedefs refer to the same entity if they have the same underlying |
| 2475 | // type. |
| 2476 | if (TypedefNameDecl *TypedefX = dyn_cast<TypedefNameDecl>(X)) |
| 2477 | if (TypedefNameDecl *TypedefY = dyn_cast<TypedefNameDecl>(Y)) |
| 2478 | return X->getASTContext().hasSameType(TypedefX->getUnderlyingType(), |
| 2479 | TypedefY->getUnderlyingType()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2480 | |
Douglas Gregor | da795b4 | 2012-01-04 16:44:10 +0000 | [diff] [blame] | 2481 | // Must have the same kind. |
| 2482 | if (X->getKind() != Y->getKind()) |
| 2483 | return false; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2484 | |
Douglas Gregor | dba9361 | 2012-01-01 21:47:52 +0000 | [diff] [blame] | 2485 | // Objective-C classes and protocols with the same name always match. |
| 2486 | if (isa<ObjCInterfaceDecl>(X) || isa<ObjCProtocolDecl>(X)) |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2487 | return true; |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 2488 | |
| 2489 | if (isa<ClassTemplateSpecializationDecl>(X)) { |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2490 | // No need to handle these here: we merge them when adding them to the |
| 2491 | // template. |
Richard Smith | e565bfa | 2013-05-23 01:49:11 +0000 | [diff] [blame] | 2492 | return false; |
| 2493 | } |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2494 | |
Douglas Gregor | 1ca4a5c | 2012-01-03 22:46:00 +0000 | [diff] [blame] | 2495 | // Compatible tags match. |
Joao Matos | 17d35c3 | 2012-08-31 22:18:20 +0000 | [diff] [blame] | 2496 | if (TagDecl *TagX = dyn_cast<TagDecl>(X)) { |
| 2497 | TagDecl *TagY = cast<TagDecl>(Y); |
| 2498 | return (TagX->getTagKind() == TagY->getTagKind()) || |
| 2499 | ((TagX->getTagKind() == TTK_Struct || TagX->getTagKind() == TTK_Class || |
| 2500 | TagX->getTagKind() == TTK_Interface) && |
| 2501 | (TagY->getTagKind() == TTK_Struct || TagY->getTagKind() == TTK_Class || |
| 2502 | TagY->getTagKind() == TTK_Interface)); |
| 2503 | } |
Richard Smith | acd954b | 2013-06-24 04:45:28 +0000 | [diff] [blame] | 2504 | |
Joao Matos | 17d35c3 | 2012-08-31 22:18:20 +0000 | [diff] [blame] | 2505 | // Functions with the same type and linkage match. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2506 | // FIXME: This needs to cope with merging of prototyped/non-prototyped |
| 2507 | // functions, etc. |
Douglas Gregor | 7076281 | 2012-01-04 17:13:46 +0000 | [diff] [blame] | 2508 | if (FunctionDecl *FuncX = dyn_cast<FunctionDecl>(X)) { |
| 2509 | FunctionDecl *FuncY = cast<FunctionDecl>(Y); |
Rafael Espindola | 181e3ec | 2013-05-13 00:12:11 +0000 | [diff] [blame] | 2510 | return (FuncX->getLinkageInternal() == FuncY->getLinkageInternal()) && |
Douglas Gregor | 7076281 | 2012-01-04 17:13:46 +0000 | [diff] [blame] | 2511 | FuncX->getASTContext().hasSameType(FuncX->getType(), FuncY->getType()); |
| 2512 | } |
Axel Naumann | b0e33d4 | 2012-10-01 09:18:00 +0000 | [diff] [blame] | 2513 | |
Douglas Gregor | 4791fa2 | 2012-01-04 17:21:36 +0000 | [diff] [blame] | 2514 | // Variables with the same type and linkage match. |
| 2515 | if (VarDecl *VarX = dyn_cast<VarDecl>(X)) { |
| 2516 | VarDecl *VarY = cast<VarDecl>(Y); |
Rafael Espindola | 181e3ec | 2013-05-13 00:12:11 +0000 | [diff] [blame] | 2517 | return (VarX->getLinkageInternal() == VarY->getLinkageInternal()) && |
Douglas Gregor | 4791fa2 | 2012-01-04 17:21:36 +0000 | [diff] [blame] | 2518 | VarX->getASTContext().hasSameType(VarX->getType(), VarY->getType()); |
| 2519 | } |
Richard Smith | acd954b | 2013-06-24 04:45:28 +0000 | [diff] [blame] | 2520 | |
Douglas Gregor | c6c8e0e | 2012-01-09 17:30:44 +0000 | [diff] [blame] | 2521 | // Namespaces with the same name and inlinedness match. |
| 2522 | if (NamespaceDecl *NamespaceX = dyn_cast<NamespaceDecl>(X)) { |
| 2523 | NamespaceDecl *NamespaceY = cast<NamespaceDecl>(Y); |
| 2524 | return NamespaceX->isInline() == NamespaceY->isInline(); |
| 2525 | } |
Axel Naumann | b0e33d4 | 2012-10-01 09:18:00 +0000 | [diff] [blame] | 2526 | |
Richard Smith | acd954b | 2013-06-24 04:45:28 +0000 | [diff] [blame] | 2527 | // Identical template names and kinds match if their template parameter lists |
| 2528 | // and patterns match. |
| 2529 | if (TemplateDecl *TemplateX = dyn_cast<TemplateDecl>(X)) { |
Richard Smith | 98f0723 | 2013-06-24 22:51:00 +0000 | [diff] [blame] | 2530 | TemplateDecl *TemplateY = cast<TemplateDecl>(Y); |
Richard Smith | acd954b | 2013-06-24 04:45:28 +0000 | [diff] [blame] | 2531 | return isSameEntity(TemplateX->getTemplatedDecl(), |
Richard Smith | 98f0723 | 2013-06-24 22:51:00 +0000 | [diff] [blame] | 2532 | TemplateY->getTemplatedDecl()) && |
| 2533 | isSameTemplateParameterList(TemplateX->getTemplateParameters(), |
| 2534 | TemplateY->getTemplateParameters()); |
Richard Smith | acd954b | 2013-06-24 04:45:28 +0000 | [diff] [blame] | 2535 | } |
Axel Naumann | b0e33d4 | 2012-10-01 09:18:00 +0000 | [diff] [blame] | 2536 | |
Richard Smith | 4ed0122 | 2013-10-07 08:02:11 +0000 | [diff] [blame] | 2537 | // Fields with the same name and the same type match. |
| 2538 | if (FieldDecl *FDX = dyn_cast<FieldDecl>(X)) { |
| 2539 | FieldDecl *FDY = cast<FieldDecl>(Y); |
Richard Smith | d692a84 | 2013-10-15 22:02:41 +0000 | [diff] [blame] | 2540 | // FIXME: Also check the bitwidth is odr-equivalent, if any. |
Richard Smith | 4ed0122 | 2013-10-07 08:02:11 +0000 | [diff] [blame] | 2541 | return X->getASTContext().hasSameType(FDX->getType(), FDY->getType()); |
| 2542 | } |
| 2543 | |
Richard Smith | d692a84 | 2013-10-15 22:02:41 +0000 | [diff] [blame] | 2544 | // Enumerators with the same name match. |
| 2545 | if (isa<EnumConstantDecl>(X)) |
| 2546 | // FIXME: Also check the value is odr-equivalent. |
| 2547 | return true; |
| 2548 | |
Richard Smith | f06a2893 | 2013-10-23 02:17:46 +0000 | [diff] [blame] | 2549 | // Using shadow declarations with the same target match. |
| 2550 | if (UsingShadowDecl *USX = dyn_cast<UsingShadowDecl>(X)) { |
| 2551 | UsingShadowDecl *USY = cast<UsingShadowDecl>(Y); |
| 2552 | return USX->getTargetDecl() == USY->getTargetDecl(); |
| 2553 | } |
| 2554 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2555 | // Using declarations with the same qualifier match. (We already know that |
| 2556 | // the name matches.) |
| 2557 | if (auto *UX = dyn_cast<UsingDecl>(X)) { |
| 2558 | auto *UY = cast<UsingDecl>(Y); |
| 2559 | return isSameQualifier(UX->getQualifier(), UY->getQualifier()) && |
| 2560 | UX->hasTypename() == UY->hasTypename() && |
| 2561 | UX->isAccessDeclaration() == UY->isAccessDeclaration(); |
| 2562 | } |
| 2563 | if (auto *UX = dyn_cast<UnresolvedUsingValueDecl>(X)) { |
| 2564 | auto *UY = cast<UnresolvedUsingValueDecl>(Y); |
| 2565 | return isSameQualifier(UX->getQualifier(), UY->getQualifier()) && |
| 2566 | UX->isAccessDeclaration() == UY->isAccessDeclaration(); |
| 2567 | } |
| 2568 | if (auto *UX = dyn_cast<UnresolvedUsingTypenameDecl>(X)) |
| 2569 | return isSameQualifier( |
| 2570 | UX->getQualifier(), |
| 2571 | cast<UnresolvedUsingTypenameDecl>(Y)->getQualifier()); |
| 2572 | |
| 2573 | // Namespace alias definitions with the same target match. |
| 2574 | if (auto *NAX = dyn_cast<NamespaceAliasDecl>(X)) { |
| 2575 | auto *NAY = cast<NamespaceAliasDecl>(Y); |
| 2576 | return NAX->getNamespace()->Equals(NAY->getNamespace()); |
| 2577 | } |
| 2578 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2579 | // FIXME: Many other cases to implement. |
| 2580 | return false; |
| 2581 | } |
| 2582 | |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2583 | /// Find the context in which we should search for previous declarations when |
| 2584 | /// looking for declarations to merge. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2585 | DeclContext *ASTDeclReader::getPrimaryContextForMerging(ASTReader &Reader, |
| 2586 | DeclContext *DC) { |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2587 | if (NamespaceDecl *ND = dyn_cast<NamespaceDecl>(DC)) |
| 2588 | return ND->getOriginalNamespace(); |
| 2589 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2590 | if (CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(DC)) { |
| 2591 | // Try to dig out the definition. |
| 2592 | auto *DD = RD->DefinitionData.getNotUpdated(); |
| 2593 | if (!DD) |
| 2594 | DD = RD->getCanonicalDecl()->DefinitionData.getNotUpdated(); |
| 2595 | |
| 2596 | // If there's no definition yet, then DC's definition is added by an update |
| 2597 | // record, but we've not yet loaded that update record. In this case, we |
| 2598 | // commit to DC being the canonical definition now, and will fix this when |
| 2599 | // we load the update record. |
| 2600 | if (!DD) { |
| 2601 | DD = new (Reader.Context) struct CXXRecordDecl::DefinitionData(RD); |
| 2602 | RD->IsCompleteDefinition = true; |
| 2603 | RD->DefinitionData = DD; |
| 2604 | RD->getCanonicalDecl()->DefinitionData = DD; |
| 2605 | |
| 2606 | // Track that we did this horrible thing so that we can fix it later. |
| 2607 | Reader.PendingFakeDefinitionData.insert( |
| 2608 | std::make_pair(DD, ASTReader::PendingFakeDefinitionKind::Fake)); |
| 2609 | } |
| 2610 | |
| 2611 | return DD->Definition; |
| 2612 | } |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2613 | |
Richard Smith | d692a84 | 2013-10-15 22:02:41 +0000 | [diff] [blame] | 2614 | if (EnumDecl *ED = dyn_cast<EnumDecl>(DC)) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2615 | return ED->getASTContext().getLangOpts().CPlusPlus? ED->getDefinition() |
| 2616 | : nullptr; |
Richard Smith | d692a84 | 2013-10-15 22:02:41 +0000 | [diff] [blame] | 2617 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2618 | // We can see the TU here only if we have no Sema object. In that case, |
| 2619 | // there's no TU scope to look in, so using the DC alone is sufficient. |
| 2620 | if (auto *TU = dyn_cast<TranslationUnitDecl>(DC)) |
| 2621 | return TU; |
| 2622 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2623 | return nullptr; |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2624 | } |
| 2625 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2626 | ASTDeclReader::FindExistingResult::~FindExistingResult() { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2627 | // Record that we had a typedef name for linkage whether or not we merge |
| 2628 | // with that declaration. |
| 2629 | if (TypedefNameForLinkage) { |
| 2630 | DeclContext *DC = New->getDeclContext()->getRedeclContext(); |
| 2631 | Reader.ImportedTypedefNamesForLinkage.insert( |
| 2632 | std::make_pair(std::make_pair(DC, TypedefNameForLinkage), New)); |
| 2633 | return; |
| 2634 | } |
| 2635 | |
Douglas Gregor | 0fdc09f | 2012-01-09 17:38:47 +0000 | [diff] [blame] | 2636 | if (!AddResult || Existing) |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2637 | return; |
Richard Smith | e7bae15 | 2013-07-13 02:00:19 +0000 | [diff] [blame] | 2638 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2639 | DeclarationName Name = New->getDeclName(); |
Richard Smith | e7bae15 | 2013-07-13 02:00:19 +0000 | [diff] [blame] | 2640 | DeclContext *DC = New->getDeclContext()->getRedeclContext(); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2641 | if (needsAnonymousDeclarationNumber(New)) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2642 | setAnonymousDeclForMerging(Reader, New->getLexicalDeclContext(), |
| 2643 | AnonymousDeclNumber, New); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2644 | } else if (DC->isTranslationUnit() && Reader.SemaObj && |
| 2645 | !Reader.getContext().getLangOpts().CPlusPlus) { |
| 2646 | if (Reader.SemaObj->IdResolver.tryAddTopLevelDecl(New, Name)) |
| 2647 | Reader.PendingFakeLookupResults[Name.getAsIdentifierInfo()] |
| 2648 | .push_back(New); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2649 | } else if (DeclContext *MergeDC = getPrimaryContextForMerging(Reader, DC)) { |
Richard Smith | e7bae15 | 2013-07-13 02:00:19 +0000 | [diff] [blame] | 2650 | // Add the declaration to its redeclaration context so later merging |
| 2651 | // lookups will find it. |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2652 | MergeDC->makeDeclVisibleInContextImpl(New, /*Internal*/true); |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2653 | } |
| 2654 | } |
| 2655 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2656 | /// Find the declaration that should be merged into, given the declaration found |
| 2657 | /// by name lookup. If we're merging an anonymous declaration within a typedef, |
| 2658 | /// we need a matching typedef, and we merge with the type inside it. |
| 2659 | static NamedDecl *getDeclForMerging(NamedDecl *Found, |
| 2660 | bool IsTypedefNameForLinkage) { |
| 2661 | if (!IsTypedefNameForLinkage) |
| 2662 | return Found; |
| 2663 | |
| 2664 | // If we found a typedef declaration that gives a name to some other |
| 2665 | // declaration, then we want that inner declaration. Declarations from |
| 2666 | // AST files are handled via ImportedTypedefNamesForLinkage. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2667 | if (Found->isFromASTFile()) |
| 2668 | return 0; |
| 2669 | |
| 2670 | if (auto *TND = dyn_cast<TypedefNameDecl>(Found)) |
| 2671 | return TND->getAnonDeclWithTypedefName(); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2672 | |
| 2673 | return 0; |
| 2674 | } |
| 2675 | |
| 2676 | NamedDecl *ASTDeclReader::getAnonymousDeclForMerging(ASTReader &Reader, |
| 2677 | DeclContext *DC, |
| 2678 | unsigned Index) { |
| 2679 | // If the lexical context has been merged, look into the now-canonical |
| 2680 | // definition. |
| 2681 | if (auto *Merged = Reader.MergedDeclContexts.lookup(DC)) |
| 2682 | DC = Merged; |
| 2683 | |
| 2684 | // If we've seen this before, return the canonical declaration. |
| 2685 | auto &Previous = Reader.AnonymousDeclarationsForMerging[DC]; |
| 2686 | if (Index < Previous.size() && Previous[Index]) |
| 2687 | return Previous[Index]; |
| 2688 | |
| 2689 | // If this is the first time, but we have parsed a declaration of the context, |
| 2690 | // build the anonymous declaration list from the parsed declaration. |
| 2691 | if (!cast<Decl>(DC)->isFromASTFile()) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2692 | numberAnonymousDeclsWithin(DC, [&](NamedDecl *ND, unsigned Number) { |
| 2693 | if (Previous.size() == Number) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2694 | Previous.push_back(cast<NamedDecl>(ND->getCanonicalDecl())); |
| 2695 | else |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2696 | Previous[Number] = cast<NamedDecl>(ND->getCanonicalDecl()); |
| 2697 | }); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2698 | } |
| 2699 | |
| 2700 | return Index < Previous.size() ? Previous[Index] : nullptr; |
| 2701 | } |
| 2702 | |
| 2703 | void ASTDeclReader::setAnonymousDeclForMerging(ASTReader &Reader, |
| 2704 | DeclContext *DC, unsigned Index, |
| 2705 | NamedDecl *D) { |
| 2706 | if (auto *Merged = Reader.MergedDeclContexts.lookup(DC)) |
| 2707 | DC = Merged; |
| 2708 | |
| 2709 | auto &Previous = Reader.AnonymousDeclarationsForMerging[DC]; |
| 2710 | if (Index >= Previous.size()) |
| 2711 | Previous.resize(Index + 1); |
| 2712 | if (!Previous[Index]) |
| 2713 | Previous[Index] = D; |
| 2714 | } |
| 2715 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2716 | ASTDeclReader::FindExistingResult ASTDeclReader::findExisting(NamedDecl *D) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2717 | DeclarationName Name = TypedefNameForLinkage ? TypedefNameForLinkage |
| 2718 | : D->getDeclName(); |
| 2719 | |
| 2720 | if (!Name && !needsAnonymousDeclarationNumber(D)) { |
| 2721 | // Don't bother trying to find unnamed declarations that are in |
| 2722 | // unmergeable contexts. |
| 2723 | FindExistingResult Result(Reader, D, /*Existing=*/nullptr, |
| 2724 | AnonymousDeclNumber, TypedefNameForLinkage); |
Douglas Gregor | 1ca4a5c | 2012-01-03 22:46:00 +0000 | [diff] [blame] | 2725 | Result.suppress(); |
| 2726 | return Result; |
| 2727 | } |
Richard Smith | e7bae15 | 2013-07-13 02:00:19 +0000 | [diff] [blame] | 2728 | |
Richard Smith | 3c40a28 | 2013-10-18 06:05:18 +0000 | [diff] [blame] | 2729 | // FIXME: Bail out for non-canonical declarations. We will have performed any |
| 2730 | // necessary merging already. |
| 2731 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2732 | DeclContext *DC = D->getDeclContext()->getRedeclContext(); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2733 | if (TypedefNameForLinkage) { |
| 2734 | auto It = Reader.ImportedTypedefNamesForLinkage.find( |
| 2735 | std::make_pair(DC, TypedefNameForLinkage)); |
| 2736 | if (It != Reader.ImportedTypedefNamesForLinkage.end()) |
| 2737 | if (isSameEntity(It->second, D)) |
| 2738 | return FindExistingResult(Reader, D, It->second, AnonymousDeclNumber, |
| 2739 | TypedefNameForLinkage); |
| 2740 | // Go on to check in other places in case an existing typedef name |
| 2741 | // was not imported. |
| 2742 | } |
| 2743 | |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2744 | if (needsAnonymousDeclarationNumber(D)) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2745 | // This is an anonymous declaration that we may need to merge. Look it up |
| 2746 | // in its context by number. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2747 | if (auto *Existing = getAnonymousDeclForMerging( |
| 2748 | Reader, D->getLexicalDeclContext(), AnonymousDeclNumber)) |
| 2749 | if (isSameEntity(Existing, D)) |
| 2750 | return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber, |
| 2751 | TypedefNameForLinkage); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2752 | } else if (DC->isTranslationUnit() && Reader.SemaObj && |
| 2753 | !Reader.getContext().getLangOpts().CPlusPlus) { |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2754 | IdentifierResolver &IdResolver = Reader.SemaObj->IdResolver; |
Douglas Gregor | aa94590 | 2013-02-18 15:53:43 +0000 | [diff] [blame] | 2755 | |
| 2756 | // Temporarily consider the identifier to be up-to-date. We don't want to |
| 2757 | // cause additional lookups here. |
| 2758 | class UpToDateIdentifierRAII { |
| 2759 | IdentifierInfo *II; |
| 2760 | bool WasOutToDate; |
| 2761 | |
| 2762 | public: |
| 2763 | explicit UpToDateIdentifierRAII(IdentifierInfo *II) |
| 2764 | : II(II), WasOutToDate(false) |
| 2765 | { |
| 2766 | if (II) { |
| 2767 | WasOutToDate = II->isOutOfDate(); |
| 2768 | if (WasOutToDate) |
| 2769 | II->setOutOfDate(false); |
| 2770 | } |
| 2771 | } |
| 2772 | |
| 2773 | ~UpToDateIdentifierRAII() { |
| 2774 | if (WasOutToDate) |
| 2775 | II->setOutOfDate(true); |
| 2776 | } |
| 2777 | } UpToDate(Name.getAsIdentifierInfo()); |
| 2778 | |
Douglas Gregor | 1ca4a5c | 2012-01-03 22:46:00 +0000 | [diff] [blame] | 2779 | for (IdentifierResolver::iterator I = IdResolver.begin(Name), |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2780 | IEnd = IdResolver.end(); |
| 2781 | I != IEnd; ++I) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2782 | if (NamedDecl *Existing = getDeclForMerging(*I, TypedefNameForLinkage)) |
| 2783 | if (isSameEntity(Existing, D)) |
| 2784 | return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber, |
| 2785 | TypedefNameForLinkage); |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2786 | } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 2787 | } else if (DeclContext *MergeDC = getPrimaryContextForMerging(Reader, DC)) { |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2788 | DeclContext::lookup_result R = MergeDC->noload_lookup(Name); |
Richard Smith | e7bae15 | 2013-07-13 02:00:19 +0000 | [diff] [blame] | 2789 | for (DeclContext::lookup_iterator I = R.begin(), E = R.end(); I != E; ++I) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2790 | if (NamedDecl *Existing = getDeclForMerging(*I, TypedefNameForLinkage)) |
| 2791 | if (isSameEntity(Existing, D)) |
| 2792 | return FindExistingResult(Reader, D, Existing, AnonymousDeclNumber, |
| 2793 | TypedefNameForLinkage); |
Douglas Gregor | 0fdc09f | 2012-01-09 17:38:47 +0000 | [diff] [blame] | 2794 | } |
Richard Smith | 3c40a28 | 2013-10-18 06:05:18 +0000 | [diff] [blame] | 2795 | } else { |
| 2796 | // Not in a mergeable context. |
| 2797 | return FindExistingResult(Reader); |
Douglas Gregor | 0fdc09f | 2012-01-09 17:38:47 +0000 | [diff] [blame] | 2798 | } |
Richard Smith | b60fae5 | 2013-09-09 16:55:27 +0000 | [diff] [blame] | 2799 | |
Richard Smith | 3c40a28 | 2013-10-18 06:05:18 +0000 | [diff] [blame] | 2800 | // If this declaration is from a merged context, make a note that we need to |
| 2801 | // check that the canonical definition of that context contains the decl. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2802 | // |
| 2803 | // FIXME: We should do something similar if we merge two definitions of the |
| 2804 | // same template specialization into the same CXXRecordDecl. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2805 | auto MergedDCIt = Reader.MergedDeclContexts.find(D->getLexicalDeclContext()); |
| 2806 | if (MergedDCIt != Reader.MergedDeclContexts.end() && |
| 2807 | MergedDCIt->second == D->getDeclContext()) |
Richard Smith | 3c40a28 | 2013-10-18 06:05:18 +0000 | [diff] [blame] | 2808 | Reader.PendingOdrMergeChecks.push_back(D); |
| 2809 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2810 | return FindExistingResult(Reader, D, /*Existing=*/nullptr, |
| 2811 | AnonymousDeclNumber, TypedefNameForLinkage); |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 2812 | } |
| 2813 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2814 | template<typename DeclT> |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2815 | Decl *ASTDeclReader::getMostRecentDeclImpl(Redeclarable<DeclT> *D) { |
| 2816 | return D->RedeclLink.getLatestNotUpdated(); |
| 2817 | } |
| 2818 | Decl *ASTDeclReader::getMostRecentDeclImpl(...) { |
| 2819 | llvm_unreachable("getMostRecentDecl on non-redeclarable declaration"); |
| 2820 | } |
| 2821 | |
| 2822 | Decl *ASTDeclReader::getMostRecentDecl(Decl *D) { |
| 2823 | assert(D); |
| 2824 | |
| 2825 | switch (D->getKind()) { |
| 2826 | #define ABSTRACT_DECL(TYPE) |
| 2827 | #define DECL(TYPE, BASE) \ |
| 2828 | case Decl::TYPE: \ |
| 2829 | return getMostRecentDeclImpl(cast<TYPE##Decl>(D)); |
| 2830 | #include "clang/AST/DeclNodes.inc" |
| 2831 | } |
| 2832 | llvm_unreachable("unknown decl kind"); |
| 2833 | } |
| 2834 | |
| 2835 | Decl *ASTReader::getMostRecentExistingDecl(Decl *D) { |
| 2836 | return ASTDeclReader::getMostRecentDecl(D->getCanonicalDecl()); |
| 2837 | } |
| 2838 | |
| 2839 | template<typename DeclT> |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2840 | void ASTDeclReader::attachPreviousDeclImpl(ASTReader &Reader, |
| 2841 | Redeclarable<DeclT> *D, |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2842 | Decl *Previous, Decl *Canon) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2843 | D->RedeclLink.setPrevious(cast<DeclT>(Previous)); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2844 | D->First = cast<DeclT>(Previous)->First; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2845 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2846 | namespace clang { |
| 2847 | template<> |
| 2848 | void ASTDeclReader::attachPreviousDeclImpl(ASTReader &Reader, |
| 2849 | Redeclarable<FunctionDecl> *D, |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2850 | Decl *Previous, Decl *Canon) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2851 | FunctionDecl *FD = static_cast<FunctionDecl*>(D); |
| 2852 | FunctionDecl *PrevFD = cast<FunctionDecl>(Previous); |
| 2853 | |
| 2854 | FD->RedeclLink.setPrevious(PrevFD); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2855 | FD->First = PrevFD->First; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2856 | |
| 2857 | // If the previous declaration is an inline function declaration, then this |
| 2858 | // declaration is too. |
| 2859 | if (PrevFD->IsInline != FD->IsInline) { |
| 2860 | // FIXME: [dcl.fct.spec]p4: |
| 2861 | // If a function with external linkage is declared inline in one |
| 2862 | // translation unit, it shall be declared inline in all translation |
| 2863 | // units in which it appears. |
| 2864 | // |
| 2865 | // Be careful of this case: |
| 2866 | // |
| 2867 | // module A: |
| 2868 | // template<typename T> struct X { void f(); }; |
| 2869 | // template<typename T> inline void X<T>::f() {} |
| 2870 | // |
| 2871 | // module B instantiates the declaration of X<int>::f |
| 2872 | // module C instantiates the definition of X<int>::f |
| 2873 | // |
| 2874 | // If module B and C are merged, we do not have a violation of this rule. |
| 2875 | FD->IsInline = true; |
| 2876 | } |
| 2877 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2878 | // If we need to propagate an exception specification along the redecl |
| 2879 | // chain, make a note of that so that we can do so later. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2880 | auto *FPT = FD->getType()->getAs<FunctionProtoType>(); |
| 2881 | auto *PrevFPT = PrevFD->getType()->getAs<FunctionProtoType>(); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2882 | if (FPT && PrevFPT) { |
| 2883 | bool IsUnresolved = isUnresolvedExceptionSpec(FPT->getExceptionSpecType()); |
| 2884 | bool WasUnresolved = |
| 2885 | isUnresolvedExceptionSpec(PrevFPT->getExceptionSpecType()); |
| 2886 | if (IsUnresolved != WasUnresolved) |
| 2887 | Reader.PendingExceptionSpecUpdates.insert( |
| 2888 | std::make_pair(Canon, IsUnresolved ? PrevFD : FD)); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2889 | } |
| 2890 | } |
| 2891 | } |
| 2892 | void ASTDeclReader::attachPreviousDeclImpl(ASTReader &Reader, ...) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2893 | llvm_unreachable("attachPreviousDecl on non-redeclarable declaration"); |
| 2894 | } |
| 2895 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2896 | void ASTDeclReader::attachPreviousDecl(ASTReader &Reader, Decl *D, |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2897 | Decl *Previous, Decl *Canon) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2898 | assert(D && Previous); |
| 2899 | |
| 2900 | switch (D->getKind()) { |
| 2901 | #define ABSTRACT_DECL(TYPE) |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 2902 | #define DECL(TYPE, BASE) \ |
| 2903 | case Decl::TYPE: \ |
| 2904 | attachPreviousDeclImpl(Reader, cast<TYPE##Decl>(D), Previous, Canon); \ |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2905 | break; |
| 2906 | #include "clang/AST/DeclNodes.inc" |
Argyrios Kyrtzidis | 0895d15 | 2011-02-12 07:50:47 +0000 | [diff] [blame] | 2907 | } |
Richard Smith | 1888b91 | 2013-08-02 01:09:12 +0000 | [diff] [blame] | 2908 | |
| 2909 | // If the declaration was visible in one module, a redeclaration of it in |
| 2910 | // another module remains visible even if it wouldn't be visible by itself. |
| 2911 | // |
| 2912 | // FIXME: In this case, the declaration should only be visible if a module |
| 2913 | // that makes it visible has been imported. |
Richard Smith | 1888b91 | 2013-08-02 01:09:12 +0000 | [diff] [blame] | 2914 | D->IdentifierNamespace |= |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2915 | Previous->IdentifierNamespace & |
Richard Smith | 1888b91 | 2013-08-02 01:09:12 +0000 | [diff] [blame] | 2916 | (Decl::IDNS_Ordinary | Decl::IDNS_Tag | Decl::IDNS_Type); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 2917 | |
| 2918 | // If the previous declaration is marked as used, then this declaration should |
| 2919 | // be too. |
| 2920 | if (Previous->Used) |
| 2921 | D->Used = true; |
Argyrios Kyrtzidis | 0895d15 | 2011-02-12 07:50:47 +0000 | [diff] [blame] | 2922 | } |
| 2923 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2924 | template<typename DeclT> |
| 2925 | void ASTDeclReader::attachLatestDeclImpl(Redeclarable<DeclT> *D, Decl *Latest) { |
| 2926 | D->RedeclLink.setLatest(cast<DeclT>(Latest)); |
| 2927 | } |
| 2928 | void ASTDeclReader::attachLatestDeclImpl(...) { |
| 2929 | llvm_unreachable("attachLatestDecl on non-redeclarable declaration"); |
| 2930 | } |
| 2931 | |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 2932 | void ASTDeclReader::attachLatestDecl(Decl *D, Decl *Latest) { |
| 2933 | assert(D && Latest); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2934 | |
| 2935 | switch (D->getKind()) { |
| 2936 | #define ABSTRACT_DECL(TYPE) |
| 2937 | #define DECL(TYPE, BASE) \ |
| 2938 | case Decl::TYPE: \ |
| 2939 | attachLatestDeclImpl(cast<TYPE##Decl>(D), Latest); \ |
| 2940 | break; |
| 2941 | #include "clang/AST/DeclNodes.inc" |
| 2942 | } |
| 2943 | } |
| 2944 | |
| 2945 | template<typename DeclT> |
| 2946 | void ASTDeclReader::markIncompleteDeclChainImpl(Redeclarable<DeclT> *D) { |
| 2947 | D->RedeclLink.markIncomplete(); |
| 2948 | } |
| 2949 | void ASTDeclReader::markIncompleteDeclChainImpl(...) { |
| 2950 | llvm_unreachable("markIncompleteDeclChain on non-redeclarable declaration"); |
| 2951 | } |
| 2952 | |
| 2953 | void ASTReader::markIncompleteDeclChain(Decl *D) { |
| 2954 | switch (D->getKind()) { |
| 2955 | #define ABSTRACT_DECL(TYPE) |
| 2956 | #define DECL(TYPE, BASE) \ |
| 2957 | case Decl::TYPE: \ |
| 2958 | ASTDeclReader::markIncompleteDeclChainImpl(cast<TYPE##Decl>(D)); \ |
| 2959 | break; |
| 2960 | #include "clang/AST/DeclNodes.inc" |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 2961 | } |
| 2962 | } |
| 2963 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 2964 | /// \brief Read the declaration at the given offset from the AST file. |
Douglas Gregor | 496c709 | 2011-08-03 15:48:04 +0000 | [diff] [blame] | 2965 | Decl *ASTReader::ReadDeclRecord(DeclID ID) { |
Douglas Gregor | 6bf2b9f | 2011-08-12 00:15:20 +0000 | [diff] [blame] | 2966 | unsigned Index = ID - NUM_PREDEF_DECL_IDS; |
Argyrios Kyrtzidis | 9d31fa7 | 2011-10-27 18:47:35 +0000 | [diff] [blame] | 2967 | unsigned RawLocation = 0; |
| 2968 | RecordLocation Loc = DeclCursorForID(ID, RawLocation); |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 2969 | llvm::BitstreamCursor &DeclsCursor = Loc.F->DeclsCursor; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2970 | // Keep track of where we are in the stream, then jump back there |
| 2971 | // after reading this declaration. |
Chris Lattner | da93061 | 2009-04-27 05:58:23 +0000 | [diff] [blame] | 2972 | SavedStreamPosition SavedPosition(DeclsCursor); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2973 | |
Argyrios Kyrtzidis | 919e693 | 2010-06-28 22:28:35 +0000 | [diff] [blame] | 2974 | ReadingKindTracker ReadingKind(Read_Decl, *this); |
| 2975 | |
Douglas Gregor | d89275b | 2009-07-06 18:54:52 +0000 | [diff] [blame] | 2976 | // Note that we are loading a declaration record. |
Argyrios Kyrtzidis | 29ee3a2 | 2010-07-30 10:03:16 +0000 | [diff] [blame] | 2977 | Deserializing ADecl(this); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2978 | |
Sebastian Redl | c363273 | 2010-10-05 15:59:54 +0000 | [diff] [blame] | 2979 | DeclsCursor.JumpToBit(Loc.Offset); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2980 | RecordData Record; |
Chris Lattner | da93061 | 2009-04-27 05:58:23 +0000 | [diff] [blame] | 2981 | unsigned Code = DeclsCursor.ReadCode(); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2982 | unsigned Idx = 0; |
Craig Topper | ffdf686 | 2012-09-18 05:34:55 +0000 | [diff] [blame] | 2983 | ASTDeclReader Reader(*this, *Loc.F, ID, RawLocation, Record,Idx); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2984 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 2985 | Decl *D = nullptr; |
Chris Lattner | b3ce357 | 2013-01-20 02:38:54 +0000 | [diff] [blame] | 2986 | switch ((DeclCode)DeclsCursor.readRecord(Code, Record)) { |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2987 | case DECL_CONTEXT_LEXICAL: |
| 2988 | case DECL_CONTEXT_VISIBLE: |
David Blaikie | b219cfc | 2011-09-23 05:06:16 +0000 | [diff] [blame] | 2989 | llvm_unreachable("Record cannot be de-serialized with ReadDeclRecord"); |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2990 | case DECL_TYPEDEF: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 2991 | D = TypedefDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2992 | break; |
Richard Smith | 162e1c1 | 2011-04-15 14:24:37 +0000 | [diff] [blame] | 2993 | case DECL_TYPEALIAS: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 2994 | D = TypeAliasDecl::CreateDeserialized(Context, ID); |
Richard Smith | 162e1c1 | 2011-04-15 14:24:37 +0000 | [diff] [blame] | 2995 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2996 | case DECL_ENUM: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 2997 | D = EnumDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 2998 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 2999 | case DECL_RECORD: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3000 | D = RecordDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3001 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3002 | case DECL_ENUM_CONSTANT: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3003 | D = EnumConstantDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3004 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3005 | case DECL_FUNCTION: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3006 | D = FunctionDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3007 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3008 | case DECL_LINKAGE_SPEC: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3009 | D = LinkageSpecDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3010 | break; |
Chris Lattner | ad8dcf4 | 2011-02-17 07:39:24 +0000 | [diff] [blame] | 3011 | case DECL_LABEL: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3012 | D = LabelDecl::CreateDeserialized(Context, ID); |
Chris Lattner | ad8dcf4 | 2011-02-17 07:39:24 +0000 | [diff] [blame] | 3013 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3014 | case DECL_NAMESPACE: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3015 | D = NamespaceDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3016 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3017 | case DECL_NAMESPACE_ALIAS: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3018 | D = NamespaceAliasDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3019 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3020 | case DECL_USING: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3021 | D = UsingDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3022 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3023 | case DECL_USING_SHADOW: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3024 | D = UsingShadowDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3025 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3026 | case DECL_USING_DIRECTIVE: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3027 | D = UsingDirectiveDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3028 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3029 | case DECL_UNRESOLVED_USING_VALUE: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3030 | D = UnresolvedUsingValueDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3031 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3032 | case DECL_UNRESOLVED_USING_TYPENAME: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3033 | D = UnresolvedUsingTypenameDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3034 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3035 | case DECL_CXX_RECORD: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3036 | D = CXXRecordDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3037 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3038 | case DECL_CXX_METHOD: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3039 | D = CXXMethodDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3040 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3041 | case DECL_CXX_CONSTRUCTOR: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3042 | D = CXXConstructorDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3043 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3044 | case DECL_CXX_DESTRUCTOR: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3045 | D = CXXDestructorDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3046 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3047 | case DECL_CXX_CONVERSION: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3048 | D = CXXConversionDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3049 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3050 | case DECL_ACCESS_SPEC: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3051 | D = AccessSpecDecl::CreateDeserialized(Context, ID); |
Abramo Bagnara | 6206d53 | 2010-06-05 05:09:32 +0000 | [diff] [blame] | 3052 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3053 | case DECL_FRIEND: |
Enea Zaffanella | 8c84028 | 2013-01-31 09:54:08 +0000 | [diff] [blame] | 3054 | D = FriendDecl::CreateDeserialized(Context, ID, Record[Idx++]); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3055 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3056 | case DECL_FRIEND_TEMPLATE: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3057 | D = FriendTemplateDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3058 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3059 | case DECL_CLASS_TEMPLATE: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3060 | D = ClassTemplateDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3061 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3062 | case DECL_CLASS_TEMPLATE_SPECIALIZATION: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3063 | D = ClassTemplateSpecializationDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3064 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3065 | case DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3066 | D = ClassTemplatePartialSpecializationDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3067 | break; |
Larisse Voufo | ef4579c | 2013-08-06 01:03:05 +0000 | [diff] [blame] | 3068 | case DECL_VAR_TEMPLATE: |
| 3069 | D = VarTemplateDecl::CreateDeserialized(Context, ID); |
| 3070 | break; |
| 3071 | case DECL_VAR_TEMPLATE_SPECIALIZATION: |
| 3072 | D = VarTemplateSpecializationDecl::CreateDeserialized(Context, ID); |
| 3073 | break; |
| 3074 | case DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION: |
| 3075 | D = VarTemplatePartialSpecializationDecl::CreateDeserialized(Context, ID); |
| 3076 | break; |
Francois Pichet | af0f4d0 | 2011-08-14 03:52:19 +0000 | [diff] [blame] | 3077 | case DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3078 | D = ClassScopeFunctionSpecializationDecl::CreateDeserialized(Context, ID); |
Francois Pichet | af0f4d0 | 2011-08-14 03:52:19 +0000 | [diff] [blame] | 3079 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3080 | case DECL_FUNCTION_TEMPLATE: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3081 | D = FunctionTemplateDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3082 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3083 | case DECL_TEMPLATE_TYPE_PARM: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3084 | D = TemplateTypeParmDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3085 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3086 | case DECL_NON_TYPE_TEMPLATE_PARM: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3087 | D = NonTypeTemplateParmDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3088 | break; |
Douglas Gregor | 6952f1e | 2011-01-19 20:10:05 +0000 | [diff] [blame] | 3089 | case DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3090 | D = NonTypeTemplateParmDecl::CreateDeserialized(Context, ID, Record[Idx++]); |
Douglas Gregor | 6952f1e | 2011-01-19 20:10:05 +0000 | [diff] [blame] | 3091 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3092 | case DECL_TEMPLATE_TEMPLATE_PARM: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3093 | D = TemplateTemplateParmDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3094 | break; |
Richard Smith | 6964b3f | 2012-09-07 02:06:42 +0000 | [diff] [blame] | 3095 | case DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK: |
| 3096 | D = TemplateTemplateParmDecl::CreateDeserialized(Context, ID, |
| 3097 | Record[Idx++]); |
| 3098 | break; |
Richard Smith | 3e4c6c4 | 2011-05-05 21:57:07 +0000 | [diff] [blame] | 3099 | case DECL_TYPE_ALIAS_TEMPLATE: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3100 | D = TypeAliasTemplateDecl::CreateDeserialized(Context, ID); |
Richard Smith | 3e4c6c4 | 2011-05-05 21:57:07 +0000 | [diff] [blame] | 3101 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3102 | case DECL_STATIC_ASSERT: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3103 | D = StaticAssertDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 6ad9ac0 | 2010-05-07 21:43:38 +0000 | [diff] [blame] | 3104 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3105 | case DECL_OBJC_METHOD: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3106 | D = ObjCMethodDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3107 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3108 | case DECL_OBJC_INTERFACE: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3109 | D = ObjCInterfaceDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3110 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3111 | case DECL_OBJC_IVAR: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3112 | D = ObjCIvarDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3113 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3114 | case DECL_OBJC_PROTOCOL: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3115 | D = ObjCProtocolDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3116 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3117 | case DECL_OBJC_AT_DEFS_FIELD: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3118 | D = ObjCAtDefsFieldDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3119 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3120 | case DECL_OBJC_CATEGORY: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3121 | D = ObjCCategoryDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3122 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3123 | case DECL_OBJC_CATEGORY_IMPL: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3124 | D = ObjCCategoryImplDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3125 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3126 | case DECL_OBJC_IMPLEMENTATION: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3127 | D = ObjCImplementationDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3128 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3129 | case DECL_OBJC_COMPATIBLE_ALIAS: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3130 | D = ObjCCompatibleAliasDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3131 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3132 | case DECL_OBJC_PROPERTY: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3133 | D = ObjCPropertyDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3134 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3135 | case DECL_OBJC_PROPERTY_IMPL: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3136 | D = ObjCPropertyImplDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3137 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3138 | case DECL_FIELD: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3139 | D = FieldDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3140 | break; |
Francois Pichet | 87c2e12 | 2010-11-21 06:08:52 +0000 | [diff] [blame] | 3141 | case DECL_INDIRECTFIELD: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3142 | D = IndirectFieldDecl::CreateDeserialized(Context, ID); |
Francois Pichet | 87c2e12 | 2010-11-21 06:08:52 +0000 | [diff] [blame] | 3143 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3144 | case DECL_VAR: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3145 | D = VarDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3146 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3147 | case DECL_IMPLICIT_PARAM: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3148 | D = ImplicitParamDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3149 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3150 | case DECL_PARM_VAR: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3151 | D = ParmVarDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3152 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3153 | case DECL_FILE_SCOPE_ASM: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3154 | D = FileScopeAsmDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3155 | break; |
Sebastian Redl | 8538e8d | 2010-08-18 23:57:32 +0000 | [diff] [blame] | 3156 | case DECL_BLOCK: |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3157 | D = BlockDecl::CreateDeserialized(Context, ID); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3158 | break; |
John McCall | 76da55d | 2013-04-16 07:28:30 +0000 | [diff] [blame] | 3159 | case DECL_MS_PROPERTY: |
| 3160 | D = MSPropertyDecl::CreateDeserialized(Context, ID); |
| 3161 | break; |
Tareq A. Siraj | 6afcf88 | 2013-04-16 19:37:38 +0000 | [diff] [blame] | 3162 | case DECL_CAPTURED: |
Ben Langmuir | dc5be4f | 2013-05-03 19:20:19 +0000 | [diff] [blame] | 3163 | D = CapturedDecl::CreateDeserialized(Context, ID, Record[Idx++]); |
Tareq A. Siraj | 6afcf88 | 2013-04-16 19:37:38 +0000 | [diff] [blame] | 3164 | break; |
Douglas Gregor | 7c789c1 | 2010-10-29 22:39:52 +0000 | [diff] [blame] | 3165 | case DECL_CXX_BASE_SPECIFIERS: |
| 3166 | Error("attempt to read a C++ base-specifier record as a declaration"); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3167 | return nullptr; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3168 | case DECL_CXX_CTOR_INITIALIZERS: |
| 3169 | Error("attempt to read a C++ ctor initializer record as a declaration"); |
| 3170 | return nullptr; |
Douglas Gregor | 15de72c | 2011-12-02 23:23:56 +0000 | [diff] [blame] | 3171 | case DECL_IMPORT: |
| 3172 | // Note: last entry of the ImportDecl record is the number of stored source |
| 3173 | // locations. |
Douglas Gregor | 1e68ecc | 2012-01-05 21:55:30 +0000 | [diff] [blame] | 3174 | D = ImportDecl::CreateDeserialized(Context, ID, Record.back()); |
Douglas Gregor | 15de72c | 2011-12-02 23:23:56 +0000 | [diff] [blame] | 3175 | break; |
Alexey Bataev | c640058 | 2013-03-22 06:34:35 +0000 | [diff] [blame] | 3176 | case DECL_OMP_THREADPRIVATE: |
| 3177 | D = OMPThreadPrivateDecl::CreateDeserialized(Context, ID, Record[Idx++]); |
| 3178 | break; |
Michael Han | 684aa73 | 2013-02-22 17:15:32 +0000 | [diff] [blame] | 3179 | case DECL_EMPTY: |
| 3180 | D = EmptyDecl::CreateDeserialized(Context, ID); |
| 3181 | break; |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3182 | } |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3183 | |
Sebastian Redl | d527cc0 | 2010-08-18 23:56:48 +0000 | [diff] [blame] | 3184 | assert(D && "Unknown declaration reading AST file"); |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 3185 | LoadedDecl(Index, D); |
Argyrios Kyrtzidis | 53a8b97 | 2012-02-09 06:02:44 +0000 | [diff] [blame] | 3186 | // Set the DeclContext before doing any deserialization, to make sure internal |
| 3187 | // calls to Decl::getASTContext() by Decl's methods will find the |
| 3188 | // TranslationUnitDecl without crashing. |
| 3189 | D->setDeclContext(Context.getTranslationUnitDecl()); |
Chris Lattner | 4e3fcc8 | 2009-04-27 06:01:06 +0000 | [diff] [blame] | 3190 | Reader.Visit(D); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3191 | |
| 3192 | // If this declaration is also a declaration context, get the |
| 3193 | // offsets for its tables of lexical and visible declarations. |
| 3194 | if (DeclContext *DC = dyn_cast<DeclContext>(D)) { |
Richard Smith | bbcd0f3 | 2013-02-07 03:37:08 +0000 | [diff] [blame] | 3195 | // FIXME: This should really be |
| 3196 | // DeclContext *LookupDC = DC->getPrimaryContext(); |
| 3197 | // but that can walk the redeclaration chain, which might not work yet. |
| 3198 | DeclContext *LookupDC = DC; |
| 3199 | if (isa<NamespaceDecl>(DC)) |
| 3200 | LookupDC = DC->getPrimaryContext(); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3201 | std::pair<uint64_t, uint64_t> Offsets = Reader.VisitDeclContext(DC); |
| 3202 | if (Offsets.first || Offsets.second) { |
Douglas Gregor | 0d95f77 | 2011-08-24 19:03:07 +0000 | [diff] [blame] | 3203 | if (Offsets.first != 0) |
| 3204 | DC->setHasExternalLexicalStorage(true); |
| 3205 | if (Offsets.second != 0) |
Richard Smith | bbcd0f3 | 2013-02-07 03:37:08 +0000 | [diff] [blame] | 3206 | LookupDC->setHasExternalVisibleStorage(true); |
Douglas Gregor | 0d95f77 | 2011-08-24 19:03:07 +0000 | [diff] [blame] | 3207 | if (ReadDeclContextStorage(*Loc.F, DeclsCursor, Offsets, |
| 3208 | Loc.F->DeclContextInfos[DC])) |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3209 | return nullptr; |
Sebastian Redl | 024e1c4 | 2011-04-24 16:27:54 +0000 | [diff] [blame] | 3210 | } |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 3211 | |
Sebastian Redl | 024e1c4 | 2011-04-24 16:27:54 +0000 | [diff] [blame] | 3212 | // Now add the pending visible updates for this decl context, if it has any. |
| 3213 | DeclContextVisibleUpdatesPending::iterator I = |
| 3214 | PendingVisibleUpdates.find(ID); |
| 3215 | if (I != PendingVisibleUpdates.end()) { |
| 3216 | // There are updates. This means the context has external visible |
| 3217 | // storage, even if the original stored version didn't. |
Richard Smith | bbcd0f3 | 2013-02-07 03:37:08 +0000 | [diff] [blame] | 3218 | LookupDC->setHasExternalVisibleStorage(true); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3219 | for (const auto &Update : I->second) { |
| 3220 | DeclContextInfo &Info = Update.second->DeclContextInfos[DC]; |
Benjamin Kramer | b1758c6 | 2012-04-15 12:36:49 +0000 | [diff] [blame] | 3221 | delete Info.NameLookupTableData; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3222 | Info.NameLookupTableData = Update.first; |
Sebastian Redl | e1dde81 | 2010-08-24 00:50:04 +0000 | [diff] [blame] | 3223 | } |
Sebastian Redl | 024e1c4 | 2011-04-24 16:27:54 +0000 | [diff] [blame] | 3224 | PendingVisibleUpdates.erase(I); |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3225 | } |
| 3226 | } |
| 3227 | assert(Idx == Record.size()); |
| 3228 | |
Douglas Gregor | 6bf2b9f | 2011-08-12 00:15:20 +0000 | [diff] [blame] | 3229 | // Load any relevant update records. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3230 | PendingUpdateRecords.push_back(std::make_pair(ID, D)); |
Argyrios Kyrtzidis | 5a17499 | 2011-11-14 07:07:59 +0000 | [diff] [blame] | 3231 | |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3232 | // Load the categories after recursive loading is finished. |
| 3233 | if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(D)) |
| 3234 | if (Class->isThisDeclarationADefinition()) |
| 3235 | loadObjCCategories(ID, Class); |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3236 | |
Douglas Gregor | 6bf2b9f | 2011-08-12 00:15:20 +0000 | [diff] [blame] | 3237 | // If we have deserialized a declaration that has a definition the |
| 3238 | // AST consumer might need to know about, queue it. |
| 3239 | // We don't pass it to the consumer immediately because we may be in recursive |
| 3240 | // loading, and some declarations may still be initializing. |
Douglas Gregor | 5456b0fe | 2012-10-09 17:21:28 +0000 | [diff] [blame] | 3241 | if (isConsumerInterestedIn(D, Reader.hasPendingBody())) |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3242 | InterestingDecls.push_back(D); |
Axel Naumann | 39d26c3 | 2012-10-02 09:09:43 +0000 | [diff] [blame] | 3243 | |
Douglas Gregor | 6bf2b9f | 2011-08-12 00:15:20 +0000 | [diff] [blame] | 3244 | return D; |
| 3245 | } |
| 3246 | |
| 3247 | void ASTReader::loadDeclUpdateRecords(serialization::DeclID ID, Decl *D) { |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 3248 | // The declaration may have been modified by files later in the chain. |
| 3249 | // If this is the case, read the record containing the updates from each file |
| 3250 | // and pass it to ASTDeclReader to make the modifications. |
| 3251 | DeclUpdateOffsetsMap::iterator UpdI = DeclUpdateOffsets.find(ID); |
| 3252 | if (UpdI != DeclUpdateOffsets.end()) { |
| 3253 | FileOffsetsTy &UpdateOffsets = UpdI->second; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3254 | bool WasInteresting = isConsumerInterestedIn(D, false); |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 3255 | for (FileOffsetsTy::iterator |
Douglas Gregor | 6bf2b9f | 2011-08-12 00:15:20 +0000 | [diff] [blame] | 3256 | I = UpdateOffsets.begin(), E = UpdateOffsets.end(); I != E; ++I) { |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 3257 | ModuleFile *F = I->first; |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 3258 | uint64_t Offset = I->second; |
| 3259 | llvm::BitstreamCursor &Cursor = F->DeclsCursor; |
| 3260 | SavedStreamPosition SavedPosition(Cursor); |
| 3261 | Cursor.JumpToBit(Offset); |
| 3262 | RecordData Record; |
| 3263 | unsigned Code = Cursor.ReadCode(); |
Chris Lattner | b3ce357 | 2013-01-20 02:38:54 +0000 | [diff] [blame] | 3264 | unsigned RecCode = Cursor.readRecord(Code, Record); |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 3265 | (void)RecCode; |
| 3266 | assert(RecCode == DECL_UPDATES && "Expected DECL_UPDATES record!"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3267 | |
Douglas Gregor | 6bf2b9f | 2011-08-12 00:15:20 +0000 | [diff] [blame] | 3268 | unsigned Idx = 0; |
Craig Topper | ffdf686 | 2012-09-18 05:34:55 +0000 | [diff] [blame] | 3269 | ASTDeclReader Reader(*this, *F, ID, 0, Record, Idx); |
Sebastian Redl | f79a719 | 2011-04-29 08:19:30 +0000 | [diff] [blame] | 3270 | Reader.UpdateDecl(D, *F, Record); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3271 | |
| 3272 | // We might have made this declaration interesting. If so, remember that |
| 3273 | // we need to hand it off to the consumer. |
| 3274 | if (!WasInteresting && |
| 3275 | isConsumerInterestedIn(D, Reader.hasPendingBody())) { |
| 3276 | InterestingDecls.push_back(D); |
| 3277 | WasInteresting = true; |
| 3278 | } |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 3279 | } |
| 3280 | } |
Chris Lattner | 698f925 | 2009-04-27 05:27:42 +0000 | [diff] [blame] | 3281 | } |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 3282 | |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3283 | namespace { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3284 | /// \brief Module visitor class that finds all of the redeclarations of a |
| 3285 | /// redeclarable declaration. |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3286 | class RedeclChainVisitor { |
| 3287 | ASTReader &Reader; |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3288 | SmallVectorImpl<DeclID> &SearchDecls; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3289 | llvm::SmallPtrSetImpl<Decl *> &Deserialized; |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3290 | GlobalDeclID CanonID; |
Dmitri Gribenko | cfa88f8 | 2013-01-12 19:30:44 +0000 | [diff] [blame] | 3291 | SmallVector<Decl *, 4> Chain; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3292 | |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3293 | public: |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3294 | RedeclChainVisitor(ASTReader &Reader, SmallVectorImpl<DeclID> &SearchDecls, |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3295 | llvm::SmallPtrSetImpl<Decl *> &Deserialized, |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3296 | GlobalDeclID CanonID) |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3297 | : Reader(Reader), SearchDecls(SearchDecls), Deserialized(Deserialized), |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3298 | CanonID(CanonID) { |
| 3299 | // Ensure that the canonical ID goes at the start of the chain. |
| 3300 | addToChain(Reader.GetDecl(CanonID)); |
Douglas Gregor | 3efe999 | 2012-01-17 18:13:45 +0000 | [diff] [blame] | 3301 | } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3302 | |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3303 | static bool visit(ModuleFile &M, bool Preorder, void *UserData) { |
| 3304 | if (Preorder) |
| 3305 | return false; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3306 | |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3307 | return static_cast<RedeclChainVisitor *>(UserData)->visit(M); |
| 3308 | } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3309 | |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3310 | void addToChain(Decl *D) { |
| 3311 | if (!D) |
| 3312 | return; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3313 | |
Benjamin Kramer | d48bcb2 | 2012-08-22 15:37:55 +0000 | [diff] [blame] | 3314 | if (Deserialized.erase(D)) |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3315 | Chain.push_back(D); |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3316 | } |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3317 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3318 | void searchForID(ModuleFile &M, GlobalDeclID GlobalID) { |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3319 | // Map global ID of the first declaration down to the local ID |
| 3320 | // used in this module file. |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3321 | DeclID ID = Reader.mapGlobalIDToModuleFileGlobalID(M, GlobalID); |
| 3322 | if (!ID) |
| 3323 | return; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3324 | |
| 3325 | // If the search decl was from this module, add it to the chain before any |
| 3326 | // of its redeclarations in this module or users of it, and after any from |
| 3327 | // imported modules. |
| 3328 | if (CanonID != GlobalID && Reader.isDeclIDFromModule(GlobalID, M)) |
| 3329 | addToChain(Reader.GetDecl(GlobalID)); |
| 3330 | |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3331 | // Perform a binary search to find the local redeclarations for this |
| 3332 | // declaration (if any). |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3333 | const LocalRedeclarationsInfo Compare = { ID, 0 }; |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3334 | const LocalRedeclarationsInfo *Result |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3335 | = std::lower_bound(M.RedeclarationsMap, |
| 3336 | M.RedeclarationsMap + M.LocalNumRedeclarationsInMap, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3337 | Compare); |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3338 | if (Result == M.RedeclarationsMap + M.LocalNumRedeclarationsInMap || |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3339 | Result->FirstID != ID) { |
| 3340 | // If we have a previously-canonical singleton declaration that was |
| 3341 | // merged into another redeclaration chain, create a trivial chain |
| 3342 | // for this single declaration so that it will get wired into the |
| 3343 | // complete redeclaration chain. |
| 3344 | if (GlobalID != CanonID && |
| 3345 | GlobalID - NUM_PREDEF_DECL_IDS >= M.BaseDeclID && |
| 3346 | GlobalID - NUM_PREDEF_DECL_IDS < M.BaseDeclID + M.LocalNumDecls) { |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3347 | addToChain(Reader.GetDecl(GlobalID)); |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3348 | } |
| 3349 | |
| 3350 | return; |
| 3351 | } |
| 3352 | |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3353 | // Dig out all of the redeclarations. |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3354 | unsigned Offset = Result->Offset; |
| 3355 | unsigned N = M.RedeclarationChains[Offset]; |
| 3356 | M.RedeclarationChains[Offset++] = 0; // Don't try to deserialize again |
| 3357 | for (unsigned I = 0; I != N; ++I) |
| 3358 | addToChain(Reader.GetLocalDecl(M, M.RedeclarationChains[Offset++])); |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3359 | } |
| 3360 | |
| 3361 | bool visit(ModuleFile &M) { |
| 3362 | // Visit each of the declarations. |
| 3363 | for (unsigned I = 0, N = SearchDecls.size(); I != N; ++I) |
| 3364 | searchForID(M, SearchDecls[I]); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3365 | // FIXME: If none of the SearchDecls had local IDs in this module, can |
| 3366 | // we avoid searching any ancestor module files? |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3367 | return false; |
| 3368 | } |
| 3369 | |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3370 | ArrayRef<Decl *> getChain() const { |
| 3371 | return Chain; |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3372 | } |
| 3373 | }; |
| 3374 | } |
| 3375 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3376 | void ASTReader::loadPendingDeclChain(Decl *CanonDecl) { |
| 3377 | // The decl might have been merged into something else after being added to |
| 3378 | // our list. If it was, just skip it. |
| 3379 | if (!CanonDecl->isCanonicalDecl()) |
| 3380 | return; |
| 3381 | |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3382 | // Determine the set of declaration IDs we'll be searching for. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3383 | SmallVector<DeclID, 16> SearchDecls; |
| 3384 | GlobalDeclID CanonID = CanonDecl->getGlobalID(); |
| 3385 | if (CanonID) |
| 3386 | SearchDecls.push_back(CanonDecl->getGlobalID()); // Always first. |
| 3387 | MergedDeclsMap::iterator MergedPos = MergedDecls.find(CanonDecl); |
Douglas Gregor | 0f75323 | 2011-12-22 01:48:48 +0000 | [diff] [blame] | 3388 | if (MergedPos != MergedDecls.end()) |
Axel Naumann | b0e33d4 | 2012-10-01 09:18:00 +0000 | [diff] [blame] | 3389 | SearchDecls.append(MergedPos->second.begin(), MergedPos->second.end()); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3390 | |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3391 | // Build up the list of redeclarations. |
| 3392 | RedeclChainVisitor Visitor(*this, SearchDecls, RedeclsDeserialized, CanonID); |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3393 | ModuleMgr.visitDepthFirst(&RedeclChainVisitor::visit, &Visitor); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3394 | |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3395 | // Retrieve the chains. |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3396 | ArrayRef<Decl *> Chain = Visitor.getChain(); |
| 3397 | if (Chain.empty()) |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3398 | return; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3399 | |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3400 | // Hook up the chains. |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3401 | // |
| 3402 | // FIXME: We have three different dispatches on decl kind here; maybe |
| 3403 | // we should instead generate one loop per kind and dispatch up-front? |
| 3404 | Decl *MostRecent = ASTDeclReader::getMostRecentDecl(CanonDecl); |
| 3405 | if (!MostRecent) |
| 3406 | MostRecent = CanonDecl; |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3407 | for (unsigned I = 0, N = Chain.size(); I != N; ++I) { |
| 3408 | if (Chain[I] == CanonDecl) |
| 3409 | continue; |
Richard Smith | 1888b91 | 2013-08-02 01:09:12 +0000 | [diff] [blame] | 3410 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3411 | ASTDeclReader::attachPreviousDecl(*this, Chain[I], MostRecent, CanonDecl); |
Douglas Gregor | 2171bf1 | 2012-01-15 16:58:34 +0000 | [diff] [blame] | 3412 | MostRecent = Chain[I]; |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3413 | } |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3414 | ASTDeclReader::attachLatestDecl(CanonDecl, MostRecent); |
Douglas Gregor | a1be278 | 2011-12-17 23:38:30 +0000 | [diff] [blame] | 3415 | } |
| 3416 | |
| 3417 | namespace { |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3418 | /// \brief Given an ObjC interface, goes through the modules and links to the |
| 3419 | /// interface all the categories for it. |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3420 | class ObjCCategoriesVisitor { |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3421 | ASTReader &Reader; |
| 3422 | serialization::GlobalDeclID InterfaceID; |
| 3423 | ObjCInterfaceDecl *Interface; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3424 | llvm::SmallPtrSetImpl<ObjCCategoryDecl *> &Deserialized; |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3425 | unsigned PreviousGeneration; |
| 3426 | ObjCCategoryDecl *Tail; |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3427 | llvm::DenseMap<DeclarationName, ObjCCategoryDecl *> NameCategoryMap; |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3428 | |
| 3429 | void add(ObjCCategoryDecl *Cat) { |
| 3430 | // Only process each category once. |
Benjamin Kramer | d48bcb2 | 2012-08-22 15:37:55 +0000 | [diff] [blame] | 3431 | if (!Deserialized.erase(Cat)) |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3432 | return; |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3433 | |
| 3434 | // Check for duplicate categories. |
| 3435 | if (Cat->getDeclName()) { |
| 3436 | ObjCCategoryDecl *&Existing = NameCategoryMap[Cat->getDeclName()]; |
| 3437 | if (Existing && |
| 3438 | Reader.getOwningModuleFile(Existing) |
| 3439 | != Reader.getOwningModuleFile(Cat)) { |
| 3440 | // FIXME: We should not warn for duplicates in diamond: |
| 3441 | // |
| 3442 | // MT // |
| 3443 | // / \ // |
| 3444 | // ML MR // |
| 3445 | // \ / // |
| 3446 | // MB // |
| 3447 | // |
| 3448 | // If there are duplicates in ML/MR, there will be warning when |
| 3449 | // creating MB *and* when importing MB. We should not warn when |
| 3450 | // importing. |
| 3451 | Reader.Diag(Cat->getLocation(), diag::warn_dup_category_def) |
| 3452 | << Interface->getDeclName() << Cat->getDeclName(); |
| 3453 | Reader.Diag(Existing->getLocation(), diag::note_previous_definition); |
| 3454 | } else if (!Existing) { |
| 3455 | // Record this category. |
| 3456 | Existing = Cat; |
| 3457 | } |
| 3458 | } |
| 3459 | |
| 3460 | // Add this category to the end of the chain. |
| 3461 | if (Tail) |
| 3462 | ASTDeclReader::setNextObjCCategory(Tail, Cat); |
| 3463 | else |
Douglas Gregor | d329724 | 2013-01-16 23:00:23 +0000 | [diff] [blame] | 3464 | Interface->setCategoryListRaw(Cat); |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3465 | Tail = Cat; |
| 3466 | } |
| 3467 | |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3468 | public: |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3469 | ObjCCategoriesVisitor(ASTReader &Reader, |
| 3470 | serialization::GlobalDeclID InterfaceID, |
| 3471 | ObjCInterfaceDecl *Interface, |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3472 | llvm::SmallPtrSetImpl<ObjCCategoryDecl *> &Deserialized, |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3473 | unsigned PreviousGeneration) |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3474 | : Reader(Reader), InterfaceID(InterfaceID), Interface(Interface), |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3475 | Deserialized(Deserialized), PreviousGeneration(PreviousGeneration), |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3476 | Tail(nullptr) |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3477 | { |
| 3478 | // Populate the name -> category map with the set of known categories. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3479 | for (auto *Cat : Interface->known_categories()) { |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3480 | if (Cat->getDeclName()) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3481 | NameCategoryMap[Cat->getDeclName()] = Cat; |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3482 | |
| 3483 | // Keep track of the tail of the category list. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3484 | Tail = Cat; |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3485 | } |
| 3486 | } |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3487 | |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 3488 | static bool visit(ModuleFile &M, void *UserData) { |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3489 | return static_cast<ObjCCategoriesVisitor *>(UserData)->visit(M); |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3490 | } |
| 3491 | |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 3492 | bool visit(ModuleFile &M) { |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3493 | // If we've loaded all of the category information we care about from |
| 3494 | // this module file, we're done. |
| 3495 | if (M.Generation <= PreviousGeneration) |
| 3496 | return true; |
| 3497 | |
| 3498 | // Map global ID of the definition down to the local ID used in this |
| 3499 | // module file. If there is no such mapping, we'll find nothing here |
| 3500 | // (or in any module it imports). |
| 3501 | DeclID LocalID = Reader.mapGlobalIDToModuleFileGlobalID(M, InterfaceID); |
| 3502 | if (!LocalID) |
| 3503 | return true; |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3504 | |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3505 | // Perform a binary search to find the local redeclarations for this |
| 3506 | // declaration (if any). |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3507 | const ObjCCategoriesInfo Compare = { LocalID, 0 }; |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3508 | const ObjCCategoriesInfo *Result |
| 3509 | = std::lower_bound(M.ObjCCategoriesMap, |
| 3510 | M.ObjCCategoriesMap + M.LocalNumObjCCategoriesInMap, |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3511 | Compare); |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3512 | if (Result == M.ObjCCategoriesMap + M.LocalNumObjCCategoriesInMap || |
| 3513 | Result->DefinitionID != LocalID) { |
| 3514 | // We didn't find anything. If the class definition is in this module |
| 3515 | // file, then the module files it depends on cannot have any categories, |
| 3516 | // so suppress further lookup. |
| 3517 | return Reader.isDeclIDFromModule(InterfaceID, M); |
| 3518 | } |
| 3519 | |
| 3520 | // We found something. Dig out all of the categories. |
| 3521 | unsigned Offset = Result->Offset; |
| 3522 | unsigned N = M.ObjCCategories[Offset]; |
| 3523 | M.ObjCCategories[Offset++] = 0; // Don't try to deserialize again |
| 3524 | for (unsigned I = 0; I != N; ++I) |
| 3525 | add(cast_or_null<ObjCCategoryDecl>( |
| 3526 | Reader.GetLocalDecl(M, M.ObjCCategories[Offset++]))); |
| 3527 | return true; |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3528 | } |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3529 | }; |
| 3530 | } |
| 3531 | |
Douglas Gregor | cff9f26 | 2012-01-27 01:47:08 +0000 | [diff] [blame] | 3532 | void ASTReader::loadObjCCategories(serialization::GlobalDeclID ID, |
| 3533 | ObjCInterfaceDecl *D, |
| 3534 | unsigned PreviousGeneration) { |
| 3535 | ObjCCategoriesVisitor Visitor(*this, ID, D, CategoriesDeserialized, |
| 3536 | PreviousGeneration); |
| 3537 | ModuleMgr.visit(ObjCCategoriesVisitor::visit, &Visitor); |
Argyrios Kyrtzidis | e6b8d68 | 2011-09-01 00:58:55 +0000 | [diff] [blame] | 3538 | } |
Douglas Gregor | 6bf2b9f | 2011-08-12 00:15:20 +0000 | [diff] [blame] | 3539 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3540 | namespace { |
| 3541 | /// Iterator over the redeclarations of a declaration that have already |
| 3542 | /// been merged into the same redeclaration chain. |
| 3543 | template<typename DeclT> |
| 3544 | class MergedRedeclIterator { |
| 3545 | DeclT *Start, *Canonical, *Current; |
| 3546 | public: |
| 3547 | MergedRedeclIterator() : Current(nullptr) {} |
| 3548 | MergedRedeclIterator(DeclT *Start) |
| 3549 | : Start(Start), Canonical(nullptr), Current(Start) {} |
| 3550 | |
| 3551 | DeclT *operator*() { return Current; } |
| 3552 | |
| 3553 | MergedRedeclIterator &operator++() { |
| 3554 | if (Current->isFirstDecl()) { |
| 3555 | Canonical = Current; |
| 3556 | Current = Current->getMostRecentDecl(); |
| 3557 | } else |
| 3558 | Current = Current->getPreviousDecl(); |
| 3559 | |
| 3560 | // If we started in the merged portion, we'll reach our start position |
| 3561 | // eventually. Otherwise, we'll never reach it, but the second declaration |
| 3562 | // we reached was the canonical declaration, so stop when we see that one |
| 3563 | // again. |
| 3564 | if (Current == Start || Current == Canonical) |
| 3565 | Current = nullptr; |
| 3566 | return *this; |
| 3567 | } |
| 3568 | |
| 3569 | friend bool operator!=(const MergedRedeclIterator &A, |
| 3570 | const MergedRedeclIterator &B) { |
| 3571 | return A.Current != B.Current; |
| 3572 | } |
| 3573 | }; |
| 3574 | } |
| 3575 | template<typename DeclT> |
| 3576 | llvm::iterator_range<MergedRedeclIterator<DeclT>> merged_redecls(DeclT *D) { |
| 3577 | return llvm::iterator_range<MergedRedeclIterator<DeclT>>( |
| 3578 | MergedRedeclIterator<DeclT>(D), |
| 3579 | MergedRedeclIterator<DeclT>()); |
| 3580 | } |
| 3581 | |
| 3582 | template<typename DeclT, typename Fn> |
| 3583 | static void forAllLaterRedecls(DeclT *D, Fn F) { |
| 3584 | F(D); |
| 3585 | |
| 3586 | // Check whether we've already merged D into its redeclaration chain. |
| 3587 | // MostRecent may or may not be nullptr if D has not been merged. If |
| 3588 | // not, walk the merged redecl chain and see if it's there. |
| 3589 | auto *MostRecent = D->getMostRecentDecl(); |
| 3590 | bool Found = false; |
| 3591 | for (auto *Redecl = MostRecent; Redecl && !Found; |
| 3592 | Redecl = Redecl->getPreviousDecl()) |
| 3593 | Found = (Redecl == D); |
| 3594 | |
| 3595 | // If this declaration is merged, apply the functor to all later decls. |
| 3596 | if (Found) { |
| 3597 | for (auto *Redecl = MostRecent; Redecl != D; |
| 3598 | Redecl = Redecl->getPreviousDecl()) |
| 3599 | F(Redecl); |
| 3600 | } |
| 3601 | } |
| 3602 | |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 3603 | void ASTDeclReader::UpdateDecl(Decl *D, ModuleFile &ModuleFile, |
Sebastian Redl | f79a719 | 2011-04-29 08:19:30 +0000 | [diff] [blame] | 3604 | const RecordData &Record) { |
Argyrios Kyrtzidis | 565bf30 | 2010-10-24 17:26:50 +0000 | [diff] [blame] | 3605 | while (Idx < Record.size()) { |
| 3606 | switch ((DeclUpdateKind)Record[Idx++]) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3607 | case UPD_CXX_ADDED_IMPLICIT_MEMBER: { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3608 | auto *RD = cast<CXXRecordDecl>(D); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3609 | // FIXME: If we also have an update record for instantiating the |
| 3610 | // definition of D, we need that to happen before we get here. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3611 | Decl *MD = Reader.ReadDecl(ModuleFile, Record, Idx); |
| 3612 | assert(MD && "couldn't read decl from update record"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3613 | // FIXME: We should call addHiddenDecl instead, to add the member |
| 3614 | // to its DeclContext. |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3615 | RD->addedMember(MD); |
| 3616 | |
| 3617 | // If we've added a new special member to a class definition that is not |
| 3618 | // the canonical definition, then we need special member lookups in the |
| 3619 | // canonical definition to also look into our class. |
| 3620 | auto *DD = RD->DefinitionData.getNotUpdated(); |
| 3621 | if (DD && DD->Definition != RD) { |
| 3622 | auto &Merged = Reader.MergedLookups[DD->Definition]; |
| 3623 | // FIXME: Avoid the linear-time scan here. |
| 3624 | if (std::find(Merged.begin(), Merged.end(), RD) == Merged.end()) |
| 3625 | Merged.push_back(RD); |
| 3626 | } |
Argyrios Kyrtzidis | b6cc0e1 | 2010-10-24 17:26:54 +0000 | [diff] [blame] | 3627 | break; |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3628 | } |
Argyrios Kyrtzidis | bef1a7b | 2010-10-28 07:38:42 +0000 | [diff] [blame] | 3629 | |
| 3630 | case UPD_CXX_ADDED_TEMPLATE_SPECIALIZATION: |
| 3631 | // It will be added to the template's specializations set when loaded. |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 3632 | (void)Reader.ReadDecl(ModuleFile, Record, Idx); |
Sebastian Redl | 7c0837f | 2011-04-24 16:28:13 +0000 | [diff] [blame] | 3633 | break; |
| 3634 | |
| 3635 | case UPD_CXX_ADDED_ANONYMOUS_NAMESPACE: { |
Douglas Gregor | 496c709 | 2011-08-03 15:48:04 +0000 | [diff] [blame] | 3636 | NamespaceDecl *Anon |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 3637 | = Reader.ReadDeclAs<NamespaceDecl>(ModuleFile, Record, Idx); |
Douglas Gregor | 1c3875d | 2012-01-09 18:07:24 +0000 | [diff] [blame] | 3638 | |
| 3639 | // Each module has its own anonymous namespace, which is disjoint from |
| 3640 | // any other module's anonymous namespaces, so don't attach the anonymous |
| 3641 | // namespace at all. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3642 | if (ModuleFile.Kind != MK_ImplicitModule && |
| 3643 | ModuleFile.Kind != MK_ExplicitModule) { |
Douglas Gregor | 1c3875d | 2012-01-09 18:07:24 +0000 | [diff] [blame] | 3644 | if (TranslationUnitDecl *TU = dyn_cast<TranslationUnitDecl>(D)) |
| 3645 | TU->setAnonymousNamespace(Anon); |
| 3646 | else |
| 3647 | cast<NamespaceDecl>(D)->setAnonymousNamespace(Anon); |
| 3648 | } |
Sebastian Redl | 7c0837f | 2011-04-24 16:28:13 +0000 | [diff] [blame] | 3649 | break; |
| 3650 | } |
Sebastian Redl | f79a719 | 2011-04-29 08:19:30 +0000 | [diff] [blame] | 3651 | |
| 3652 | case UPD_CXX_INSTANTIATED_STATIC_DATA_MEMBER: |
| 3653 | cast<VarDecl>(D)->getMemberSpecializationInfo()->setPointOfInstantiation( |
Douglas Gregor | 1a4761e | 2011-11-30 23:21:26 +0000 | [diff] [blame] | 3654 | Reader.ReadSourceLocation(ModuleFile, Record, Idx)); |
Sebastian Redl | f79a719 | 2011-04-29 08:19:30 +0000 | [diff] [blame] | 3655 | break; |
Richard Smith | 9dadfab | 2013-05-11 05:45:24 +0000 | [diff] [blame] | 3656 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3657 | case UPD_CXX_ADDED_FUNCTION_DEFINITION: { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3658 | FunctionDecl *FD = cast<FunctionDecl>(D); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3659 | if (Reader.PendingBodies[FD]) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3660 | // FIXME: Maybe check for ODR violations. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3661 | // It's safe to stop now because this update record is always last. |
| 3662 | return; |
| 3663 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3664 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3665 | if (Record[Idx++]) { |
| 3666 | // Maintain AST consistency: any later redeclarations of this function |
| 3667 | // are inline if this one is. (We might have merged another declaration |
| 3668 | // into this one.) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3669 | forAllLaterRedecls(FD, [](FunctionDecl *FD) { |
| 3670 | FD->setImplicitlyInline(); |
| 3671 | }); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3672 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3673 | FD->setInnerLocStart(Reader.ReadSourceLocation(ModuleFile, Record, Idx)); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3674 | if (auto *CD = dyn_cast<CXXConstructorDecl>(FD)) { |
| 3675 | CD->NumCtorInitializers = Record[Idx++]; |
| 3676 | if (CD->NumCtorInitializers) |
| 3677 | CD->CtorInitializers = |
| 3678 | Reader.ReadCXXCtorInitializersRef(F, Record, Idx); |
| 3679 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3680 | // Store the offset of the body so we can lazily load it later. |
| 3681 | Reader.PendingBodies[FD] = GetCurrentCursorOffset(); |
| 3682 | HasPendingBody = true; |
| 3683 | assert(Idx == Record.size() && "lazy body must be last"); |
| 3684 | break; |
| 3685 | } |
| 3686 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3687 | case UPD_CXX_INSTANTIATED_CLASS_DEFINITION: { |
| 3688 | auto *RD = cast<CXXRecordDecl>(D); |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3689 | auto *OldDD = RD->DefinitionData.getNotUpdated(); |
| 3690 | bool HadRealDefinition = |
| 3691 | OldDD && (OldDD->Definition != RD || |
| 3692 | !Reader.PendingFakeDefinitionData.count(OldDD)); |
| 3693 | ReadCXXRecordDefinition(RD, /*Update*/true); |
| 3694 | |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3695 | // Visible update is handled separately. |
| 3696 | uint64_t LexicalOffset = Record[Idx++]; |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3697 | if (!HadRealDefinition && LexicalOffset) { |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3698 | RD->setHasExternalLexicalStorage(true); |
| 3699 | Reader.ReadDeclContextStorage(ModuleFile, ModuleFile.DeclsCursor, |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 3700 | std::make_pair(LexicalOffset, 0), |
| 3701 | ModuleFile.DeclContextInfos[RD]); |
| 3702 | Reader.PendingFakeDefinitionData.erase(OldDD); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3703 | } |
| 3704 | |
| 3705 | auto TSK = (TemplateSpecializationKind)Record[Idx++]; |
| 3706 | SourceLocation POI = Reader.ReadSourceLocation(ModuleFile, Record, Idx); |
| 3707 | if (MemberSpecializationInfo *MSInfo = |
| 3708 | RD->getMemberSpecializationInfo()) { |
| 3709 | MSInfo->setTemplateSpecializationKind(TSK); |
| 3710 | MSInfo->setPointOfInstantiation(POI); |
| 3711 | } else { |
| 3712 | ClassTemplateSpecializationDecl *Spec = |
| 3713 | cast<ClassTemplateSpecializationDecl>(RD); |
| 3714 | Spec->setTemplateSpecializationKind(TSK); |
| 3715 | Spec->setPointOfInstantiation(POI); |
| 3716 | |
| 3717 | if (Record[Idx++]) { |
| 3718 | auto PartialSpec = |
| 3719 | ReadDeclAs<ClassTemplatePartialSpecializationDecl>(Record, Idx); |
| 3720 | SmallVector<TemplateArgument, 8> TemplArgs; |
| 3721 | Reader.ReadTemplateArgumentList(TemplArgs, F, Record, Idx); |
| 3722 | auto *TemplArgList = TemplateArgumentList::CreateCopy( |
| 3723 | Reader.getContext(), TemplArgs.data(), TemplArgs.size()); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3724 | |
| 3725 | // FIXME: If we already have a partial specialization set, |
| 3726 | // check that it matches. |
| 3727 | if (!Spec->getSpecializedTemplateOrPartial() |
| 3728 | .is<ClassTemplatePartialSpecializationDecl *>()) |
| 3729 | Spec->setInstantiationOf(PartialSpec, TemplArgList); |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 3730 | } |
| 3731 | } |
| 3732 | |
| 3733 | RD->setTagKind((TagTypeKind)Record[Idx++]); |
| 3734 | RD->setLocation(Reader.ReadSourceLocation(ModuleFile, Record, Idx)); |
| 3735 | RD->setLocStart(Reader.ReadSourceLocation(ModuleFile, Record, Idx)); |
| 3736 | RD->setRBraceLoc(Reader.ReadSourceLocation(ModuleFile, Record, Idx)); |
| 3737 | |
| 3738 | if (Record[Idx++]) { |
| 3739 | AttrVec Attrs; |
| 3740 | Reader.ReadAttributes(F, Attrs, Record, Idx); |
| 3741 | D->setAttrsImpl(Attrs, Reader.getContext()); |
| 3742 | } |
| 3743 | break; |
| 3744 | } |
| 3745 | |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3746 | case UPD_CXX_RESOLVED_DTOR_DELETE: { |
| 3747 | // Set the 'operator delete' directly to avoid emitting another update |
| 3748 | // record. |
| 3749 | auto *Del = Reader.ReadDeclAs<FunctionDecl>(ModuleFile, Record, Idx); |
| 3750 | auto *First = cast<CXXDestructorDecl>(D->getCanonicalDecl()); |
| 3751 | // FIXME: Check consistency if we have an old and new operator delete. |
| 3752 | if (!First->OperatorDelete) |
| 3753 | First->OperatorDelete = Del; |
| 3754 | break; |
| 3755 | } |
| 3756 | |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3757 | case UPD_CXX_RESOLVED_EXCEPTION_SPEC: { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3758 | FunctionProtoType::ExceptionSpecInfo ESI; |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3759 | SmallVector<QualType, 8> ExceptionStorage; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3760 | Reader.readExceptionSpec(ModuleFile, ExceptionStorage, ESI, Record, Idx); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3761 | |
| 3762 | // Update this declaration's exception specification, if needed. |
| 3763 | auto *FD = cast<FunctionDecl>(D); |
| 3764 | auto *FPT = FD->getType()->castAs<FunctionProtoType>(); |
| 3765 | // FIXME: If the exception specification is already present, check that it |
| 3766 | // matches. |
| 3767 | if (isUnresolvedExceptionSpec(FPT->getExceptionSpecType())) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3768 | FD->setType(Reader.Context.getFunctionType( |
| 3769 | FPT->getReturnType(), FPT->getParamTypes(), |
| 3770 | FPT->getExtProtoInfo().withExceptionSpec(ESI))); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3771 | |
| 3772 | // When we get to the end of deserializing, see if there are other decls |
| 3773 | // that we need to propagate this exception specification onto. |
| 3774 | Reader.PendingExceptionSpecUpdates.insert( |
| 3775 | std::make_pair(FD->getCanonicalDecl(), FD)); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3776 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3777 | break; |
| 3778 | } |
| 3779 | |
Richard Smith | 9dadfab | 2013-05-11 05:45:24 +0000 | [diff] [blame] | 3780 | case UPD_CXX_DEDUCED_RETURN_TYPE: { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3781 | // FIXME: Also do this when merging redecls. |
| 3782 | QualType DeducedResultType = Reader.readType(ModuleFile, Record, Idx); |
| 3783 | for (auto *Redecl : merged_redecls(D)) { |
| 3784 | // FIXME: If the return type is already deduced, check that it matches. |
| 3785 | FunctionDecl *FD = cast<FunctionDecl>(Redecl); |
| 3786 | Reader.Context.adjustDeducedFunctionResultType(FD, DeducedResultType); |
| 3787 | } |
Richard Smith | 9dadfab | 2013-05-11 05:45:24 +0000 | [diff] [blame] | 3788 | break; |
| 3789 | } |
Eli Friedman | 86164e8 | 2013-09-05 00:02:25 +0000 | [diff] [blame] | 3790 | |
| 3791 | case UPD_DECL_MARKED_USED: { |
Eli Friedman | 15d29ff | 2013-09-05 20:13:32 +0000 | [diff] [blame] | 3792 | // FIXME: This doesn't send the right notifications if there are |
| 3793 | // ASTMutationListeners other than an ASTWriter. |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 3794 | |
| 3795 | // Maintain AST consistency: any later redeclarations are used too. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3796 | forAllLaterRedecls(D, [](Decl *D) { D->Used = true; }); |
Eli Friedman | 86164e8 | 2013-09-05 00:02:25 +0000 | [diff] [blame] | 3797 | break; |
| 3798 | } |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 3799 | |
| 3800 | case UPD_MANGLING_NUMBER: |
| 3801 | Reader.Context.setManglingNumber(cast<NamedDecl>(D), Record[Idx++]); |
| 3802 | break; |
| 3803 | |
| 3804 | case UPD_STATIC_LOCAL_NUMBER: |
| 3805 | Reader.Context.setStaticLocalNumber(cast<VarDecl>(D), Record[Idx++]); |
| 3806 | break; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3807 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 3808 | case UPD_DECL_MARKED_OPENMP_THREADPRIVATE: |
| 3809 | D->addAttr(OMPThreadPrivateDeclAttr::CreateImplicit( |
| 3810 | Reader.Context, ReadSourceRange(Record, Idx))); |
| 3811 | break; |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 3812 | |
| 3813 | case UPD_DECL_EXPORTED: |
| 3814 | unsigned SubmoduleID = readSubmoduleID(Record, Idx); |
| 3815 | Module *Owner = SubmoduleID ? Reader.getSubmodule(SubmoduleID) : nullptr; |
| 3816 | if (Owner && Owner->NameVisibility != Module::AllVisible) { |
| 3817 | // If Owner is made visible at some later point, make this declaration |
| 3818 | // visible too. |
| 3819 | Reader.HiddenNamesMap[Owner].HiddenDecls.push_back(D); |
| 3820 | } else { |
| 3821 | // The declaration is now visible. |
| 3822 | D->Hidden = false; |
| 3823 | } |
| 3824 | break; |
Argyrios Kyrtzidis | 565bf30 | 2010-10-24 17:26:50 +0000 | [diff] [blame] | 3825 | } |
| 3826 | } |
Argyrios Kyrtzidis | 7b90340 | 2010-10-24 17:26:36 +0000 | [diff] [blame] | 3827 | } |