Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 1 | //===--- InitPreprocessor.cpp - PP initialization code. ---------*- C++ -*-===// |
| 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 | // |
| 10 | // This file implements the clang::InitializePreprocessor function. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
Daniel Dunbar | 8863b98 | 2009-11-07 04:20:15 +0000 | [diff] [blame] | 14 | #include "clang/Frontend/Utils.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 15 | #include "clang/Basic/FileManager.h" |
Chandler Carruth | 103b71c | 2010-01-20 06:13:02 +0000 | [diff] [blame] | 16 | #include "clang/Basic/MacroBuilder.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 17 | #include "clang/Basic/SourceManager.h" |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 18 | #include "clang/Basic/TargetInfo.h" |
Chandler Carruth | 55fc873 | 2012-12-04 09:13:33 +0000 | [diff] [blame] | 19 | #include "clang/Basic/Version.h" |
Douglas Gregor | 2973c0e | 2009-12-02 16:32:41 +0000 | [diff] [blame] | 20 | #include "clang/Frontend/FrontendDiagnostic.h" |
Fariborz Jahanian | 7d95747 | 2010-01-13 18:51:17 +0000 | [diff] [blame] | 21 | #include "clang/Frontend/FrontendOptions.h" |
Chandler Carruth | cb381ea | 2011-12-09 01:33:57 +0000 | [diff] [blame] | 22 | #include "clang/Lex/HeaderSearch.h" |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 23 | #include "clang/Lex/Preprocessor.h" |
Douglas Gregor | 14e71f0 | 2012-10-24 17:01:35 +0000 | [diff] [blame] | 24 | #include "clang/Lex/PreprocessorOptions.h" |
Douglas Gregor | 4ec429d | 2012-10-22 23:59:45 +0000 | [diff] [blame] | 25 | #include "clang/Serialization/ASTReader.h" |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 26 | #include "llvm/ADT/APFloat.h" |
Michael J. Spencer | fbfd180 | 2010-12-21 16:45:57 +0000 | [diff] [blame] | 27 | #include "llvm/Support/FileSystem.h" |
Douglas Gregor | 2973c0e | 2009-12-02 16:32:41 +0000 | [diff] [blame] | 28 | #include "llvm/Support/MemoryBuffer.h" |
Michael J. Spencer | 03013fa | 2010-11-29 18:12:39 +0000 | [diff] [blame] | 29 | #include "llvm/Support/Path.h" |
Chris Lattner | 47c06ee | 2009-11-02 21:48:09 +0000 | [diff] [blame] | 30 | using namespace clang; |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 31 | |
Eli Friedman | 62c90e1 | 2013-08-28 20:35:38 +0000 | [diff] [blame] | 32 | static bool MacroBodyEndsInBackslash(StringRef MacroBody) { |
| 33 | while (!MacroBody.empty() && isWhitespace(MacroBody.back())) |
| 34 | MacroBody = MacroBody.drop_back(); |
| 35 | return !MacroBody.empty() && MacroBody.back() == '\\'; |
| 36 | } |
| 37 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 38 | // Append a #define line to Buf for Macro. Macro should be of the form XXX, |
| 39 | // in which case we emit "#define XXX 1" or "XXX=Y z W" in which case we emit |
| 40 | // "#define XXX Y z W". To get a #define with no value, use "XXX=". |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 41 | static void DefineBuiltinMacro(MacroBuilder &Builder, StringRef Macro, |
David Blaikie | d6471f7 | 2011-09-25 23:23:43 +0000 | [diff] [blame] | 42 | DiagnosticsEngine &Diags) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 43 | std::pair<StringRef, StringRef> MacroPair = Macro.split('='); |
| 44 | StringRef MacroName = MacroPair.first; |
| 45 | StringRef MacroBody = MacroPair.second; |
Daniel Dunbar | 1ee4b9e | 2010-01-10 00:46:21 +0000 | [diff] [blame] | 46 | if (MacroName.size() != Macro.size()) { |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 47 | // Per GCC -D semantics, the macro ends at \n if it exists. |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 48 | StringRef::size_type End = MacroBody.find_first_of("\n\r"); |
| 49 | if (End != StringRef::npos) |
Daniel Dunbar | 1ee4b9e | 2010-01-10 00:46:21 +0000 | [diff] [blame] | 50 | Diags.Report(diag::warn_fe_macro_contains_embedded_newline) |
Kovarththanan Rajaratnam | 8746e4e | 2010-01-09 09:27:11 +0000 | [diff] [blame] | 51 | << MacroName; |
Eli Friedman | 62c90e1 | 2013-08-28 20:35:38 +0000 | [diff] [blame] | 52 | MacroBody = MacroBody.substr(0, End); |
| 53 | // We handle macro bodies which end in a backslash by appending an extra |
| 54 | // backslash+newline. This makes sure we don't accidentally treat the |
| 55 | // backslash as a line continuation marker. |
| 56 | if (MacroBodyEndsInBackslash(MacroBody)) |
| 57 | Builder.defineMacro(MacroName, Twine(MacroBody) + "\\\n"); |
| 58 | else |
| 59 | Builder.defineMacro(MacroName, MacroBody); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 60 | } else { |
| 61 | // Push "macroname 1". |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 62 | Builder.defineMacro(Macro); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 63 | } |
Chris Lattner | dcdecf4 | 2009-05-15 16:08:43 +0000 | [diff] [blame] | 64 | } |
| 65 | |
James Dennett | 809d1be | 2012-06-13 22:07:09 +0000 | [diff] [blame] | 66 | /// AddImplicitInclude - Add an implicit \#include of the specified file to the |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 67 | /// predefines buffer. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 68 | /// As these includes are generated by -include arguments the header search |
| 69 | /// logic is going to search relatively to the current working directory. |
| 70 | static void AddImplicitInclude(MacroBuilder &Builder, StringRef File) { |
| 71 | Builder.append(Twine("#include \"") + File + "\""); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 72 | } |
| 73 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 74 | static void AddImplicitIncludeMacros(MacroBuilder &Builder, StringRef File) { |
| 75 | Builder.append(Twine("#__include_macros \"") + File + "\""); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 76 | // Marker token to stop the __include_macros fetch loop. |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 77 | Builder.append("##"); // ##? |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 78 | } |
| 79 | |
James Dennett | 809d1be | 2012-06-13 22:07:09 +0000 | [diff] [blame] | 80 | /// AddImplicitIncludePTH - Add an implicit \#include using the original file |
| 81 | /// used to generate a PTH cache. |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 82 | static void AddImplicitIncludePTH(MacroBuilder &Builder, Preprocessor &PP, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 83 | StringRef ImplicitIncludePTH) { |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 84 | PTHManager *P = PP.getPTHManager(); |
Ted Kremenek | 4ae4c91 | 2010-06-28 20:32:40 +0000 | [diff] [blame] | 85 | // Null check 'P' in the corner case where it couldn't be created. |
Stephen Hines | 6bcf27b | 2014-05-29 04:14:42 -0700 | [diff] [blame] | 86 | const char *OriginalFile = P ? P->getOriginalSourceFile() : nullptr; |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 87 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 88 | if (!OriginalFile) { |
Daniel Dunbar | baac103 | 2009-12-03 09:14:12 +0000 | [diff] [blame] | 89 | PP.getDiagnostics().Report(diag::err_fe_pth_file_has_no_source_header) |
| 90 | << ImplicitIncludePTH; |
| 91 | return; |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 92 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 93 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 94 | AddImplicitInclude(Builder, OriginalFile); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 95 | } |
| 96 | |
Douglas Gregor | 4ec429d | 2012-10-22 23:59:45 +0000 | [diff] [blame] | 97 | /// \brief Add an implicit \#include using the original file used to generate |
| 98 | /// a PCH file. |
| 99 | static void AddImplicitIncludePCH(MacroBuilder &Builder, Preprocessor &PP, |
| 100 | StringRef ImplicitIncludePCH) { |
| 101 | std::string OriginalFile = |
| 102 | ASTReader::getOriginalSourceFile(ImplicitIncludePCH, PP.getFileManager(), |
| 103 | PP.getDiagnostics()); |
| 104 | if (OriginalFile.empty()) |
| 105 | return; |
| 106 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 107 | AddImplicitInclude(Builder, OriginalFile); |
Douglas Gregor | 4ec429d | 2012-10-22 23:59:45 +0000 | [diff] [blame] | 108 | } |
| 109 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 110 | /// PickFP - This is used to pick a value based on the FP semantics of the |
| 111 | /// specified FP model. |
| 112 | template <typename T> |
| 113 | static T PickFP(const llvm::fltSemantics *Sem, T IEEESingleVal, |
Eli Friedman | 2665a75 | 2009-05-23 03:50:01 +0000 | [diff] [blame] | 114 | T IEEEDoubleVal, T X87DoubleExtendedVal, T PPCDoubleDoubleVal, |
| 115 | T IEEEQuadVal) { |
Duncan Sands | 63682f9 | 2009-06-03 14:28:20 +0000 | [diff] [blame] | 116 | if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEsingle) |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 117 | return IEEESingleVal; |
Duncan Sands | 63682f9 | 2009-06-03 14:28:20 +0000 | [diff] [blame] | 118 | if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEdouble) |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 119 | return IEEEDoubleVal; |
Duncan Sands | 63682f9 | 2009-06-03 14:28:20 +0000 | [diff] [blame] | 120 | if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::x87DoubleExtended) |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 121 | return X87DoubleExtendedVal; |
Duncan Sands | 63682f9 | 2009-06-03 14:28:20 +0000 | [diff] [blame] | 122 | if (Sem == (const llvm::fltSemantics*)&llvm::APFloat::PPCDoubleDouble) |
Eli Friedman | 2665a75 | 2009-05-23 03:50:01 +0000 | [diff] [blame] | 123 | return PPCDoubleDoubleVal; |
Duncan Sands | 63682f9 | 2009-06-03 14:28:20 +0000 | [diff] [blame] | 124 | assert(Sem == (const llvm::fltSemantics*)&llvm::APFloat::IEEEquad); |
Eli Friedman | 2665a75 | 2009-05-23 03:50:01 +0000 | [diff] [blame] | 125 | return IEEEQuadVal; |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 126 | } |
| 127 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 128 | static void DefineFloatMacros(MacroBuilder &Builder, StringRef Prefix, |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 129 | const llvm::fltSemantics *Sem, StringRef Ext) { |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 130 | const char *DenormMin, *Epsilon, *Max, *Min; |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 131 | DenormMin = PickFP(Sem, "1.40129846e-45", "4.9406564584124654e-324", |
| 132 | "3.64519953188247460253e-4951", |
| 133 | "4.94065645841246544176568792868221e-324", |
| 134 | "6.47517511943802511092443895822764655e-4966"); |
Eli Friedman | 2665a75 | 2009-05-23 03:50:01 +0000 | [diff] [blame] | 135 | int Digits = PickFP(Sem, 6, 15, 18, 31, 33); |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 136 | Epsilon = PickFP(Sem, "1.19209290e-7", "2.2204460492503131e-16", |
| 137 | "1.08420217248550443401e-19", |
| 138 | "4.94065645841246544176568792868221e-324", |
| 139 | "1.92592994438723585305597794258492732e-34"); |
Eli Friedman | 2665a75 | 2009-05-23 03:50:01 +0000 | [diff] [blame] | 140 | int MantissaDigits = PickFP(Sem, 24, 53, 64, 106, 113); |
| 141 | int Min10Exp = PickFP(Sem, -37, -307, -4931, -291, -4931); |
| 142 | int Max10Exp = PickFP(Sem, 38, 308, 4932, 308, 4932); |
| 143 | int MinExp = PickFP(Sem, -125, -1021, -16381, -968, -16381); |
| 144 | int MaxExp = PickFP(Sem, 128, 1024, 16384, 1024, 16384); |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 145 | Min = PickFP(Sem, "1.17549435e-38", "2.2250738585072014e-308", |
| 146 | "3.36210314311209350626e-4932", |
| 147 | "2.00416836000897277799610805135016e-292", |
| 148 | "3.36210314311209350626267781732175260e-4932"); |
| 149 | Max = PickFP(Sem, "3.40282347e+38", "1.7976931348623157e+308", |
| 150 | "1.18973149535723176502e+4932", |
| 151 | "1.79769313486231580793728971405301e+308", |
| 152 | "1.18973149535723176508575932662800702e+4932"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 153 | |
Dylan Noblesmith | f7ccbad | 2012-02-05 02:13:05 +0000 | [diff] [blame] | 154 | SmallString<32> DefPrefix; |
Daniel Dunbar | 066515f | 2010-01-20 06:09:53 +0000 | [diff] [blame] | 155 | DefPrefix = "__"; |
| 156 | DefPrefix += Prefix; |
| 157 | DefPrefix += "_"; |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 158 | |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 159 | Builder.defineMacro(DefPrefix + "DENORM_MIN__", Twine(DenormMin)+Ext); |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 160 | Builder.defineMacro(DefPrefix + "HAS_DENORM__"); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 161 | Builder.defineMacro(DefPrefix + "DIG__", Twine(Digits)); |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 162 | Builder.defineMacro(DefPrefix + "EPSILON__", Twine(Epsilon)+Ext); |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 163 | Builder.defineMacro(DefPrefix + "HAS_INFINITY__"); |
| 164 | Builder.defineMacro(DefPrefix + "HAS_QUIET_NAN__"); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 165 | Builder.defineMacro(DefPrefix + "MANT_DIG__", Twine(MantissaDigits)); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 166 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 167 | Builder.defineMacro(DefPrefix + "MAX_10_EXP__", Twine(Max10Exp)); |
| 168 | Builder.defineMacro(DefPrefix + "MAX_EXP__", Twine(MaxExp)); |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 169 | Builder.defineMacro(DefPrefix + "MAX__", Twine(Max)+Ext); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 170 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 171 | Builder.defineMacro(DefPrefix + "MIN_10_EXP__","("+Twine(Min10Exp)+")"); |
| 172 | Builder.defineMacro(DefPrefix + "MIN_EXP__", "("+Twine(MinExp)+")"); |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 173 | Builder.defineMacro(DefPrefix + "MIN__", Twine(Min)+Ext); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | |
| 177 | /// DefineTypeSize - Emit a macro to the predefines buffer that declares a macro |
| 178 | /// named MacroName with the max value for a type with width 'TypeWidth' a |
| 179 | /// signedness of 'isSigned' and with a value suffix of 'ValSuffix' (e.g. LL). |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 180 | static void DefineTypeSize(const Twine &MacroName, unsigned TypeWidth, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 181 | StringRef ValSuffix, bool isSigned, |
Chris Lattner | d7f758c | 2011-02-24 06:54:56 +0000 | [diff] [blame] | 182 | MacroBuilder &Builder) { |
| 183 | llvm::APInt MaxVal = isSigned ? llvm::APInt::getSignedMaxValue(TypeWidth) |
| 184 | : llvm::APInt::getMaxValue(TypeWidth); |
| 185 | Builder.defineMacro(MacroName, MaxVal.toString(10, isSigned) + ValSuffix); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 186 | } |
| 187 | |
Chris Lattner | 9099e7b | 2009-11-05 21:21:32 +0000 | [diff] [blame] | 188 | /// DefineTypeSize - An overloaded helper that uses TargetInfo to determine |
| 189 | /// the width, suffix, and signedness of the given type |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 190 | static void DefineTypeSize(const Twine &MacroName, TargetInfo::IntType Ty, |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 191 | const TargetInfo &TI, MacroBuilder &Builder) { |
Chris Lattner | 9099e7b | 2009-11-05 21:21:32 +0000 | [diff] [blame] | 192 | DefineTypeSize(MacroName, TI.getTypeWidth(Ty), TI.getTypeConstantSuffix(Ty), |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 193 | TI.isTypeSigned(Ty), Builder); |
Chris Lattner | 9099e7b | 2009-11-05 21:21:32 +0000 | [diff] [blame] | 194 | } |
| 195 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 196 | static void DefineFmt(const Twine &Prefix, TargetInfo::IntType Ty, |
| 197 | const TargetInfo &TI, MacroBuilder &Builder) { |
| 198 | bool IsSigned = TI.isTypeSigned(Ty); |
| 199 | StringRef FmtModifier = TI.getTypeFormatModifier(Ty); |
| 200 | for (const char *Fmt = IsSigned ? "di" : "ouxX"; *Fmt; ++Fmt) { |
| 201 | Builder.defineMacro(Prefix + "_FMT" + Twine(*Fmt) + "__", |
| 202 | Twine("\"") + FmtModifier + Twine(*Fmt) + "\""); |
| 203 | } |
| 204 | } |
| 205 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 206 | static void DefineType(const Twine &MacroName, TargetInfo::IntType Ty, |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 207 | MacroBuilder &Builder) { |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 208 | Builder.defineMacro(MacroName, TargetInfo::getTypeName(Ty)); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 209 | } |
| 210 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 211 | static void DefineTypeWidth(StringRef MacroName, TargetInfo::IntType Ty, |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 212 | const TargetInfo &TI, MacroBuilder &Builder) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 213 | Builder.defineMacro(MacroName, Twine(TI.getTypeWidth(Ty))); |
Ken Dyck | 186696b | 2009-11-18 13:52:57 +0000 | [diff] [blame] | 214 | } |
| 215 | |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 216 | static void DefineTypeSizeof(StringRef MacroName, unsigned BitWidth, |
Dan Gohman | cfeac34 | 2010-05-28 00:27:15 +0000 | [diff] [blame] | 217 | const TargetInfo &TI, MacroBuilder &Builder) { |
| 218 | Builder.defineMacro(MacroName, |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 219 | Twine(BitWidth / TI.getCharWidth())); |
Dan Gohman | cfeac34 | 2010-05-28 00:27:15 +0000 | [diff] [blame] | 220 | } |
| 221 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 222 | static void DefineExactWidthIntType(TargetInfo::IntType Ty, |
| 223 | const TargetInfo &TI, |
| 224 | MacroBuilder &Builder) { |
Ken Dyck | eef22ef | 2009-11-16 16:36:33 +0000 | [diff] [blame] | 225 | int TypeWidth = TI.getTypeWidth(Ty); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 226 | bool IsSigned = TI.isTypeSigned(Ty); |
Daniel Dunbar | 7f3a545 | 2010-06-30 06:30:56 +0000 | [diff] [blame] | 227 | |
| 228 | // Use the target specified int64 type, when appropriate, so that [u]int64_t |
| 229 | // ends up being defined in terms of the correct type. |
| 230 | if (TypeWidth == 64) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 231 | Ty = IsSigned ? TI.getInt64Type() : TI.getUInt64Type(); |
Daniel Dunbar | 7f3a545 | 2010-06-30 06:30:56 +0000 | [diff] [blame] | 232 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 233 | const char *Prefix = IsSigned ? "__INT" : "__UINT"; |
| 234 | |
| 235 | DefineType(Prefix + Twine(TypeWidth) + "_TYPE__", Ty, Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 236 | DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder); |
Ken Dyck | eef22ef | 2009-11-16 16:36:33 +0000 | [diff] [blame] | 237 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 238 | StringRef ConstSuffix(TI.getTypeConstantSuffix(Ty)); |
| 239 | Builder.defineMacro(Prefix + Twine(TypeWidth) + "_C_SUFFIX__", ConstSuffix); |
Chris Lattner | dcdd2a0 | 2009-11-12 08:08:27 +0000 | [diff] [blame] | 240 | } |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 241 | |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 242 | static void DefineExactWidthIntTypeSize(TargetInfo::IntType Ty, |
| 243 | const TargetInfo &TI, |
| 244 | MacroBuilder &Builder) { |
| 245 | int TypeWidth = TI.getTypeWidth(Ty); |
| 246 | bool IsSigned = TI.isTypeSigned(Ty); |
| 247 | |
| 248 | // Use the target specified int64 type, when appropriate, so that [u]int64_t |
| 249 | // ends up being defined in terms of the correct type. |
| 250 | if (TypeWidth == 64) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 251 | Ty = IsSigned ? TI.getInt64Type() : TI.getUInt64Type(); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 252 | |
| 253 | const char *Prefix = IsSigned ? "__INT" : "__UINT"; |
| 254 | DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder); |
| 255 | } |
| 256 | |
| 257 | static void DefineLeastWidthIntType(unsigned TypeWidth, bool IsSigned, |
| 258 | const TargetInfo &TI, |
| 259 | MacroBuilder &Builder) { |
| 260 | TargetInfo::IntType Ty = TI.getLeastIntTypeByWidth(TypeWidth, IsSigned); |
| 261 | if (Ty == TargetInfo::NoInt) |
| 262 | return; |
| 263 | |
| 264 | const char *Prefix = IsSigned ? "__INT_LEAST" : "__UINT_LEAST"; |
| 265 | DefineType(Prefix + Twine(TypeWidth) + "_TYPE__", Ty, Builder); |
| 266 | DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 267 | DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | static void DefineFastIntType(unsigned TypeWidth, bool IsSigned, |
| 271 | const TargetInfo &TI, MacroBuilder &Builder) { |
| 272 | // stdint.h currently defines the fast int types as equivalent to the least |
| 273 | // types. |
| 274 | TargetInfo::IntType Ty = TI.getLeastIntTypeByWidth(TypeWidth, IsSigned); |
| 275 | if (Ty == TargetInfo::NoInt) |
| 276 | return; |
| 277 | |
| 278 | const char *Prefix = IsSigned ? "__INT_FAST" : "__UINT_FAST"; |
| 279 | DefineType(Prefix + Twine(TypeWidth) + "_TYPE__", Ty, Builder); |
| 280 | DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 281 | |
| 282 | DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 283 | } |
| 284 | |
| 285 | |
Richard Smith | 2c39d71 | 2012-04-13 00:45:38 +0000 | [diff] [blame] | 286 | /// Get the value the ATOMIC_*_LOCK_FREE macro should have for a type with |
| 287 | /// the specified properties. |
| 288 | static const char *getLockFreeValue(unsigned TypeWidth, unsigned TypeAlign, |
| 289 | unsigned InlineWidth) { |
| 290 | // Fully-aligned, power-of-2 sizes no larger than the inline |
| 291 | // width will be inlined as lock-free operations. |
| 292 | if (TypeWidth == TypeAlign && (TypeWidth & (TypeWidth - 1)) == 0 && |
| 293 | TypeWidth <= InlineWidth) |
| 294 | return "2"; // "always lock free" |
| 295 | // We cannot be certain what operations the lib calls might be |
| 296 | // able to implement as lock-free on future processors. |
| 297 | return "1"; // "sometimes lock free" |
| 298 | } |
| 299 | |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 300 | /// \brief Add definitions required for a smooth interaction between |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 301 | /// Objective-C++ automated reference counting and libstdc++ (4.2). |
| 302 | static void AddObjCXXARCLibstdcxxDefines(const LangOptions &LangOpts, |
| 303 | MacroBuilder &Builder) { |
| 304 | Builder.defineMacro("_GLIBCXX_PREDEFINED_OBJC_ARC_IS_SCALAR"); |
| 305 | |
| 306 | std::string Result; |
| 307 | { |
| 308 | // Provide specializations for the __is_scalar type trait so that |
| 309 | // lifetime-qualified objects are not considered "scalar" types, which |
| 310 | // libstdc++ uses as an indicator of the presence of trivial copy, assign, |
| 311 | // default-construct, and destruct semantics (none of which hold for |
| 312 | // lifetime-qualified objects in ARC). |
| 313 | llvm::raw_string_ostream Out(Result); |
| 314 | |
| 315 | Out << "namespace std {\n" |
| 316 | << "\n" |
| 317 | << "struct __true_type;\n" |
| 318 | << "struct __false_type;\n" |
| 319 | << "\n"; |
| 320 | |
| 321 | Out << "template<typename _Tp> struct __is_scalar;\n" |
| 322 | << "\n"; |
| 323 | |
| 324 | Out << "template<typename _Tp>\n" |
Argyrios Kyrtzidis | b8b0313 | 2011-06-24 00:08:59 +0000 | [diff] [blame] | 325 | << "struct __is_scalar<__attribute__((objc_ownership(strong))) _Tp> {\n" |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 326 | << " enum { __value = 0 };\n" |
| 327 | << " typedef __false_type __type;\n" |
| 328 | << "};\n" |
| 329 | << "\n"; |
| 330 | |
John McCall | 0a7dd78 | 2012-08-21 02:47:43 +0000 | [diff] [blame] | 331 | if (LangOpts.ObjCARCWeak) { |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 332 | Out << "template<typename _Tp>\n" |
Argyrios Kyrtzidis | b8b0313 | 2011-06-24 00:08:59 +0000 | [diff] [blame] | 333 | << "struct __is_scalar<__attribute__((objc_ownership(weak))) _Tp> {\n" |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 334 | << " enum { __value = 0 };\n" |
| 335 | << " typedef __false_type __type;\n" |
| 336 | << "};\n" |
| 337 | << "\n"; |
| 338 | } |
| 339 | |
| 340 | Out << "template<typename _Tp>\n" |
Argyrios Kyrtzidis | b8b0313 | 2011-06-24 00:08:59 +0000 | [diff] [blame] | 341 | << "struct __is_scalar<__attribute__((objc_ownership(autoreleasing)))" |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 342 | << " _Tp> {\n" |
| 343 | << " enum { __value = 0 };\n" |
| 344 | << " typedef __false_type __type;\n" |
| 345 | << "};\n" |
| 346 | << "\n"; |
| 347 | |
| 348 | Out << "}\n"; |
| 349 | } |
| 350 | Builder.append(Result); |
| 351 | } |
| 352 | |
Nick Lewycky | a9c6441 | 2011-06-07 06:07:12 +0000 | [diff] [blame] | 353 | static void InitializeStandardPredefinedMacros(const TargetInfo &TI, |
| 354 | const LangOptions &LangOpts, |
| 355 | const FrontendOptions &FEOpts, |
| 356 | MacroBuilder &Builder) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 357 | if (!LangOpts.MSVCCompat && !LangOpts.TraditionalCPP) |
Nick Lewycky | a9c6441 | 2011-06-07 06:07:12 +0000 | [diff] [blame] | 358 | Builder.defineMacro("__STDC__"); |
| 359 | if (LangOpts.Freestanding) |
| 360 | Builder.defineMacro("__STDC_HOSTED__", "0"); |
| 361 | else |
| 362 | Builder.defineMacro("__STDC_HOSTED__"); |
| 363 | |
| 364 | if (!LangOpts.CPlusPlus) { |
Benjamin Kramer | ffbe9b9 | 2011-12-23 17:00:35 +0000 | [diff] [blame] | 365 | if (LangOpts.C11) |
Benjamin Kramer | 430cf51 | 2011-12-23 17:00:41 +0000 | [diff] [blame] | 366 | Builder.defineMacro("__STDC_VERSION__", "201112L"); |
Douglas Gregor | 5aa6dea | 2011-10-28 23:02:54 +0000 | [diff] [blame] | 367 | else if (LangOpts.C99) |
Nick Lewycky | a9c6441 | 2011-06-07 06:07:12 +0000 | [diff] [blame] | 368 | Builder.defineMacro("__STDC_VERSION__", "199901L"); |
| 369 | else if (!LangOpts.GNUMode && LangOpts.Digraphs) |
| 370 | Builder.defineMacro("__STDC_VERSION__", "199409L"); |
| 371 | } else { |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 372 | // FIXME: Use correct value for C++17. |
| 373 | if (LangOpts.CPlusPlus1z) |
| 374 | Builder.defineMacro("__cplusplus", "201406L"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 375 | // C++1y [cpp.predefined]p1: |
| 376 | // The name __cplusplus is defined to the value 201402L when compiling a |
| 377 | // C++ translation unit. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 378 | else if (LangOpts.CPlusPlus14) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 379 | Builder.defineMacro("__cplusplus", "201402L"); |
Richard Smith | 0513448 | 2012-05-03 22:18:20 +0000 | [diff] [blame] | 380 | // C++11 [cpp.predefined]p1: |
| 381 | // The name __cplusplus is defined to the value 201103L when compiling a |
| 382 | // C++ translation unit. |
Richard Smith | 7f0ffb3 | 2013-05-07 19:32:56 +0000 | [diff] [blame] | 383 | else if (LangOpts.CPlusPlus11) |
Richard Smith | 0513448 | 2012-05-03 22:18:20 +0000 | [diff] [blame] | 384 | Builder.defineMacro("__cplusplus", "201103L"); |
| 385 | // C++03 [cpp.predefined]p1: |
| 386 | // The name __cplusplus is defined to the value 199711L when compiling a |
| 387 | // C++ translation unit. |
| 388 | else |
| 389 | Builder.defineMacro("__cplusplus", "199711L"); |
Nick Lewycky | a9c6441 | 2011-06-07 06:07:12 +0000 | [diff] [blame] | 390 | } |
| 391 | |
Ed Schouten | 5ada7a5 | 2013-09-29 07:54:52 +0000 | [diff] [blame] | 392 | // In C11 these are environment macros. In C++11 they are only defined |
| 393 | // as part of <cuchar>. To prevent breakage when mixing C and C++ |
| 394 | // code, define these macros unconditionally. We can define them |
| 395 | // unconditionally, as Clang always uses UTF-16 and UTF-32 for 16-bit |
| 396 | // and 32-bit character literals. |
| 397 | Builder.defineMacro("__STDC_UTF_16__", "1"); |
| 398 | Builder.defineMacro("__STDC_UTF_32__", "1"); |
| 399 | |
Nick Lewycky | 1464809 | 2011-06-10 20:56:43 +0000 | [diff] [blame] | 400 | if (LangOpts.ObjC1) |
| 401 | Builder.defineMacro("__OBJC__"); |
| 402 | |
Nick Lewycky | a9c6441 | 2011-06-07 06:07:12 +0000 | [diff] [blame] | 403 | // Not "standard" per se, but available even with the -undef flag. |
| 404 | if (LangOpts.AsmPreprocessor) |
| 405 | Builder.defineMacro("__ASSEMBLER__"); |
| 406 | } |
| 407 | |
Bill Wendling | c78e5b3 | 2013-11-28 00:33:42 +0000 | [diff] [blame] | 408 | /// Initialize the predefined C++ language feature test macros defined in |
| 409 | /// ISO/IEC JTC1/SC22/WG21 (C++) SD-6: "SG10 Feature Test Recommendations". |
| 410 | static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts, |
| 411 | MacroBuilder &Builder) { |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 412 | // C++98 features. |
| 413 | if (LangOpts.RTTI) |
| 414 | Builder.defineMacro("__cpp_rtti", "199711"); |
| 415 | if (LangOpts.CXXExceptions) |
| 416 | Builder.defineMacro("__cpp_exceptions", "199711"); |
| 417 | |
Bill Wendling | c78e5b3 | 2013-11-28 00:33:42 +0000 | [diff] [blame] | 418 | // C++11 features. |
| 419 | if (LangOpts.CPlusPlus11) { |
| 420 | Builder.defineMacro("__cpp_unicode_characters", "200704"); |
| 421 | Builder.defineMacro("__cpp_raw_strings", "200710"); |
| 422 | Builder.defineMacro("__cpp_unicode_literals", "200710"); |
| 423 | Builder.defineMacro("__cpp_user_defined_literals", "200809"); |
| 424 | Builder.defineMacro("__cpp_lambdas", "200907"); |
| 425 | Builder.defineMacro("__cpp_constexpr", |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 426 | LangOpts.CPlusPlus14 ? "201304" : "200704"); |
| 427 | Builder.defineMacro("__cpp_range_based_for", "200907"); |
Bill Wendling | c78e5b3 | 2013-11-28 00:33:42 +0000 | [diff] [blame] | 428 | Builder.defineMacro("__cpp_static_assert", "200410"); |
| 429 | Builder.defineMacro("__cpp_decltype", "200707"); |
| 430 | Builder.defineMacro("__cpp_attributes", "200809"); |
| 431 | Builder.defineMacro("__cpp_rvalue_references", "200610"); |
| 432 | Builder.defineMacro("__cpp_variadic_templates", "200704"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 433 | Builder.defineMacro("__cpp_initializer_lists", "200806"); |
| 434 | Builder.defineMacro("__cpp_delegating_constructors", "200604"); |
| 435 | Builder.defineMacro("__cpp_nsdmi", "200809"); |
| 436 | Builder.defineMacro("__cpp_inheriting_constructors", "200802"); |
| 437 | Builder.defineMacro("__cpp_ref_qualifiers", "200710"); |
| 438 | Builder.defineMacro("__cpp_alias_templates", "200704"); |
Bill Wendling | c78e5b3 | 2013-11-28 00:33:42 +0000 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | // C++14 features. |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 442 | if (LangOpts.CPlusPlus14) { |
Bill Wendling | c78e5b3 | 2013-11-28 00:33:42 +0000 | [diff] [blame] | 443 | Builder.defineMacro("__cpp_binary_literals", "201304"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 444 | Builder.defineMacro("__cpp_digit_separators", "201309"); |
Bill Wendling | c78e5b3 | 2013-11-28 00:33:42 +0000 | [diff] [blame] | 445 | Builder.defineMacro("__cpp_init_captures", "201304"); |
| 446 | Builder.defineMacro("__cpp_generic_lambdas", "201304"); |
| 447 | Builder.defineMacro("__cpp_decltype_auto", "201304"); |
| 448 | Builder.defineMacro("__cpp_return_type_deduction", "201304"); |
| 449 | Builder.defineMacro("__cpp_aggregate_nsdmi", "201304"); |
| 450 | Builder.defineMacro("__cpp_variable_templates", "201304"); |
| 451 | } |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 452 | if (LangOpts.SizedDeallocation) |
| 453 | Builder.defineMacro("__cpp_sized_deallocation", "201309"); |
Bill Wendling | c78e5b3 | 2013-11-28 00:33:42 +0000 | [diff] [blame] | 454 | } |
| 455 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 456 | static void InitializePredefinedMacros(const TargetInfo &TI, |
| 457 | const LangOptions &LangOpts, |
Fariborz Jahanian | 7d95747 | 2010-01-13 18:51:17 +0000 | [diff] [blame] | 458 | const FrontendOptions &FEOpts, |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 459 | MacroBuilder &Builder) { |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 460 | // Compiler version introspection macros. |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 461 | Builder.defineMacro("__llvm__"); // LLVM Backend |
| 462 | Builder.defineMacro("__clang__"); // Clang Frontend |
Douglas Gregor | 4290fbd | 2010-04-30 02:51:06 +0000 | [diff] [blame] | 463 | #define TOSTR2(X) #X |
| 464 | #define TOSTR(X) TOSTR2(X) |
| 465 | Builder.defineMacro("__clang_major__", TOSTR(CLANG_VERSION_MAJOR)); |
| 466 | Builder.defineMacro("__clang_minor__", TOSTR(CLANG_VERSION_MINOR)); |
| 467 | #ifdef CLANG_VERSION_PATCHLEVEL |
| 468 | Builder.defineMacro("__clang_patchlevel__", TOSTR(CLANG_VERSION_PATCHLEVEL)); |
| 469 | #else |
| 470 | Builder.defineMacro("__clang_patchlevel__", "0"); |
| 471 | #endif |
| 472 | Builder.defineMacro("__clang_version__", |
Benjamin Kramer | d7ee194 | 2012-10-08 18:49:39 +0000 | [diff] [blame] | 473 | "\"" CLANG_VERSION_STRING " " |
| 474 | + getClangFullRepositoryVersion() + "\""); |
Douglas Gregor | 4290fbd | 2010-04-30 02:51:06 +0000 | [diff] [blame] | 475 | #undef TOSTR |
| 476 | #undef TOSTR2 |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 477 | if (!LangOpts.MSVCCompat) { |
Aaron Ballman | 5b31d55 | 2012-03-10 22:21:14 +0000 | [diff] [blame] | 478 | // Currently claim to be compatible with GCC 4.2.1-5621, but only if we're |
| 479 | // not compiling for MSVC compatibility |
| 480 | Builder.defineMacro("__GNUC_MINOR__", "2"); |
| 481 | Builder.defineMacro("__GNUC_PATCHLEVEL__", "1"); |
| 482 | Builder.defineMacro("__GNUC__", "4"); |
| 483 | Builder.defineMacro("__GXX_ABI_VERSION", "1002"); |
| 484 | } |
Daniel Dunbar | ad1a4c6 | 2011-03-31 00:53:51 +0000 | [diff] [blame] | 485 | |
David Chisnall | 7a7ee30 | 2012-01-16 17:27:18 +0000 | [diff] [blame] | 486 | // Define macros for the C11 / C++11 memory orderings |
| 487 | Builder.defineMacro("__ATOMIC_RELAXED", "0"); |
| 488 | Builder.defineMacro("__ATOMIC_CONSUME", "1"); |
| 489 | Builder.defineMacro("__ATOMIC_ACQUIRE", "2"); |
| 490 | Builder.defineMacro("__ATOMIC_RELEASE", "3"); |
| 491 | Builder.defineMacro("__ATOMIC_ACQ_REL", "4"); |
| 492 | Builder.defineMacro("__ATOMIC_SEQ_CST", "5"); |
| 493 | |
David Chisnall | 5f3c163 | 2012-02-18 16:12:34 +0000 | [diff] [blame] | 494 | // Support for #pragma redefine_extname (Sun compatibility) |
| 495 | Builder.defineMacro("__PRAGMA_REDEFINE_EXTNAME", "1"); |
| 496 | |
Daniel Dunbar | ad1a4c6 | 2011-03-31 00:53:51 +0000 | [diff] [blame] | 497 | // As sad as it is, enough software depends on the __VERSION__ for version |
| 498 | // checks that it is necessary to report 4.2.1 (the base GCC version we claim |
| 499 | // compatibility with) first. |
| 500 | Builder.defineMacro("__VERSION__", "\"4.2.1 Compatible " + |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 501 | Twine(getClangFullCPPVersion()) + "\""); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 502 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 503 | // Initialize language-specific preprocessor defines. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 504 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 505 | // Standard conforming mode? |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 506 | if (!LangOpts.GNUMode && !LangOpts.MSVCCompat) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 507 | Builder.defineMacro("__STRICT_ANSI__"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 508 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 509 | if (!LangOpts.MSVCCompat && LangOpts.CPlusPlus11) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 510 | Builder.defineMacro("__GXX_EXPERIMENTAL_CXX0X__"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 511 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 512 | if (LangOpts.ObjC1) { |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 513 | if (LangOpts.ObjCRuntime.isNonFragile()) { |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 514 | Builder.defineMacro("__OBJC2__"); |
Douglas Gregor | eced60c | 2011-09-12 15:17:19 +0000 | [diff] [blame] | 515 | |
| 516 | if (LangOpts.ObjCExceptions) |
| 517 | Builder.defineMacro("OBJC_ZEROCOST_EXCEPTIONS"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 518 | } |
| 519 | |
Douglas Gregor | e289d81 | 2011-09-13 17:21:33 +0000 | [diff] [blame] | 520 | if (LangOpts.getGC() != LangOptions::NonGC) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 521 | Builder.defineMacro("__OBJC_GC__"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 522 | |
John McCall | 260611a | 2012-06-20 06:18:46 +0000 | [diff] [blame] | 523 | if (LangOpts.ObjCRuntime.isNeXTFamily()) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 524 | Builder.defineMacro("__NEXT_RUNTIME__"); |
Ted Kremenek | 3065cf9 | 2012-06-19 00:37:39 +0000 | [diff] [blame] | 525 | |
Benjamin Kramer | 585c84c | 2013-09-16 16:31:49 +0000 | [diff] [blame] | 526 | if (LangOpts.ObjCRuntime.getKind() == ObjCRuntime::ObjFW) { |
| 527 | VersionTuple tuple = LangOpts.ObjCRuntime.getVersion(); |
| 528 | |
| 529 | unsigned minor = 0; |
| 530 | if (tuple.getMinor().hasValue()) |
| 531 | minor = tuple.getMinor().getValue(); |
| 532 | |
| 533 | unsigned subminor = 0; |
| 534 | if (tuple.getSubminor().hasValue()) |
| 535 | subminor = tuple.getSubminor().getValue(); |
| 536 | |
| 537 | Builder.defineMacro("__OBJFW_RUNTIME_ABI__", |
| 538 | Twine(tuple.getMajor() * 10000 + minor * 100 + |
| 539 | subminor)); |
| 540 | } |
| 541 | |
Ted Kremenek | 3065cf9 | 2012-06-19 00:37:39 +0000 | [diff] [blame] | 542 | Builder.defineMacro("IBOutlet", "__attribute__((iboutlet))"); |
| 543 | Builder.defineMacro("IBOutletCollection(ClassName)", |
| 544 | "__attribute__((iboutletcollection(ClassName)))"); |
| 545 | Builder.defineMacro("IBAction", "void)__attribute__((ibaction)"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 546 | Builder.defineMacro("IBInspectable", ""); |
| 547 | Builder.defineMacro("IB_DESIGNABLE", ""); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 548 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 549 | |
Bill Wendling | c78e5b3 | 2013-11-28 00:33:42 +0000 | [diff] [blame] | 550 | if (LangOpts.CPlusPlus) |
| 551 | InitializeCPlusPlusFeatureTestMacros(LangOpts, Builder); |
| 552 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 553 | // darwin_constant_cfstrings controls this. This is also dependent |
| 554 | // on other things like the runtime I believe. This is set even for C code. |
Fariborz Jahanian | 16c3eae | 2011-07-05 16:00:59 +0000 | [diff] [blame] | 555 | if (!LangOpts.NoConstantCFStrings) |
| 556 | Builder.defineMacro("__CONSTANT_CFSTRINGS__"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 557 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 558 | if (LangOpts.ObjC2) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 559 | Builder.defineMacro("OBJC_NEW_PROPERTIES"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 560 | |
| 561 | if (LangOpts.PascalStrings) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 562 | Builder.defineMacro("__PASCAL_STRINGS__"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 563 | |
| 564 | if (LangOpts.Blocks) { |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 565 | Builder.defineMacro("__block", "__attribute__((__blocks__(byref)))"); |
| 566 | Builder.defineMacro("__BLOCKS__"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 567 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 568 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 569 | if (!LangOpts.MSVCCompat && LangOpts.Exceptions) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 570 | Builder.defineMacro("__EXCEPTIONS"); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 571 | if (!LangOpts.MSVCCompat && LangOpts.RTTI) |
Dan Gohman | cfeac34 | 2010-05-28 00:27:15 +0000 | [diff] [blame] | 572 | Builder.defineMacro("__GXX_RTTI"); |
Daniel Dunbar | b2987d1 | 2010-02-10 18:49:11 +0000 | [diff] [blame] | 573 | if (LangOpts.SjLjExceptions) |
| 574 | Builder.defineMacro("__USING_SJLJ_EXCEPTIONS__"); |
Rafael Espindola | f759df0 | 2009-10-01 13:33:33 +0000 | [diff] [blame] | 575 | |
Chandler Carruth | f8c247d | 2011-04-23 19:48:40 +0000 | [diff] [blame] | 576 | if (LangOpts.Deprecated) |
| 577 | Builder.defineMacro("__DEPRECATED"); |
| 578 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 579 | if (!LangOpts.MSVCCompat && LangOpts.CPlusPlus) { |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 580 | Builder.defineMacro("__GNUG__", "4"); |
| 581 | Builder.defineMacro("__GXX_WEAK__"); |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 582 | Builder.defineMacro("__private_extern__", "extern"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 583 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 584 | |
Francois Pichet | 62ec1f2 | 2011-09-17 17:15:52 +0000 | [diff] [blame] | 585 | if (LangOpts.MicrosoftExt) { |
Abramo Bagnara | 5b86ffd | 2012-09-05 17:30:57 +0000 | [diff] [blame] | 586 | if (LangOpts.WChar) { |
| 587 | // wchar_t supported as a keyword. |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 588 | Builder.defineMacro("_WCHAR_T_DEFINED"); |
| 589 | Builder.defineMacro("_NATIVE_WCHAR_T_DEFINED"); |
Abramo Bagnara | 5b86ffd | 2012-09-05 17:30:57 +0000 | [diff] [blame] | 590 | } |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 591 | } |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 592 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 593 | if (LangOpts.Optimize) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 594 | Builder.defineMacro("__OPTIMIZE__"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 595 | if (LangOpts.OptimizeSize) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 596 | Builder.defineMacro("__OPTIMIZE_SIZE__"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 597 | |
Chandler Carruth | ba9186c | 2012-01-03 02:46:46 +0000 | [diff] [blame] | 598 | if (LangOpts.FastMath) |
| 599 | Builder.defineMacro("__FAST_MATH__"); |
| 600 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 601 | // Initialize target-specific preprocessor defines. |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 602 | |
Dylan Noblesmith | 5aeda88 | 2012-08-08 16:09:12 +0000 | [diff] [blame] | 603 | // __BYTE_ORDER__ was added in GCC 4.6. It's analogous |
| 604 | // to the macro __BYTE_ORDER (no trailing underscores) |
| 605 | // from glibc's <endian.h> header. |
Dylan Noblesmith | 3b198a9 | 2012-07-27 18:34:31 +0000 | [diff] [blame] | 606 | // We don't support the PDP-11 as a target, but include |
| 607 | // the define so it can still be compared against. |
| 608 | Builder.defineMacro("__ORDER_LITTLE_ENDIAN__", "1234"); |
| 609 | Builder.defineMacro("__ORDER_BIG_ENDIAN__", "4321"); |
| 610 | Builder.defineMacro("__ORDER_PDP_ENDIAN__", "3412"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 611 | if (TI.isBigEndian()) { |
Dylan Noblesmith | 3b198a9 | 2012-07-27 18:34:31 +0000 | [diff] [blame] | 612 | Builder.defineMacro("__BYTE_ORDER__", "__ORDER_BIG_ENDIAN__"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 613 | Builder.defineMacro("__BIG_ENDIAN__"); |
| 614 | } else { |
Dylan Noblesmith | 3b198a9 | 2012-07-27 18:34:31 +0000 | [diff] [blame] | 615 | Builder.defineMacro("__BYTE_ORDER__", "__ORDER_LITTLE_ENDIAN__"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 616 | Builder.defineMacro("__LITTLE_ENDIAN__"); |
| 617 | } |
Dylan Noblesmith | 6bd3291 | 2012-08-10 19:12:37 +0000 | [diff] [blame] | 618 | |
| 619 | if (TI.getPointerWidth(0) == 64 && TI.getLongWidth() == 64 |
| 620 | && TI.getIntWidth() == 32) { |
| 621 | Builder.defineMacro("_LP64"); |
| 622 | Builder.defineMacro("__LP64__"); |
| 623 | } |
| 624 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 625 | if (TI.getPointerWidth(0) == 32 && TI.getLongWidth() == 32 |
| 626 | && TI.getIntWidth() == 32) { |
| 627 | Builder.defineMacro("_ILP32"); |
| 628 | Builder.defineMacro("__ILP32__"); |
| 629 | } |
| 630 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 631 | // Define type sizing macros based on the target properties. |
| 632 | assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far"); |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 633 | Builder.defineMacro("__CHAR_BIT__", "8"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 634 | |
Stepan Dyatkovskiy | 7b7bef1 | 2013-09-05 11:23:21 +0000 | [diff] [blame] | 635 | DefineTypeSize("__SCHAR_MAX__", TargetInfo::SignedChar, TI, Builder); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 636 | DefineTypeSize("__SHRT_MAX__", TargetInfo::SignedShort, TI, Builder); |
| 637 | DefineTypeSize("__INT_MAX__", TargetInfo::SignedInt, TI, Builder); |
| 638 | DefineTypeSize("__LONG_MAX__", TargetInfo::SignedLong, TI, Builder); |
| 639 | DefineTypeSize("__LONG_LONG_MAX__", TargetInfo::SignedLongLong, TI, Builder); |
| 640 | DefineTypeSize("__WCHAR_MAX__", TI.getWCharType(), TI, Builder); |
| 641 | DefineTypeSize("__INTMAX_MAX__", TI.getIntMaxType(), TI, Builder); |
Evgeniy Stepanov | edaf281 | 2013-03-28 08:36:54 +0000 | [diff] [blame] | 642 | DefineTypeSize("__SIZE_MAX__", TI.getSizeType(), TI, Builder); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 643 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 644 | DefineTypeSize("__UINTMAX_MAX__", TI.getUIntMaxType(), TI, Builder); |
| 645 | DefineTypeSize("__PTRDIFF_MAX__", TI.getPtrDiffType(0), TI, Builder); |
| 646 | DefineTypeSize("__INTPTR_MAX__", TI.getIntPtrType(), TI, Builder); |
| 647 | DefineTypeSize("__UINTPTR_MAX__", TI.getUIntPtrType(), TI, Builder); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 648 | |
Dan Gohman | cfeac34 | 2010-05-28 00:27:15 +0000 | [diff] [blame] | 649 | DefineTypeSizeof("__SIZEOF_DOUBLE__", TI.getDoubleWidth(), TI, Builder); |
| 650 | DefineTypeSizeof("__SIZEOF_FLOAT__", TI.getFloatWidth(), TI, Builder); |
| 651 | DefineTypeSizeof("__SIZEOF_INT__", TI.getIntWidth(), TI, Builder); |
| 652 | DefineTypeSizeof("__SIZEOF_LONG__", TI.getLongWidth(), TI, Builder); |
| 653 | DefineTypeSizeof("__SIZEOF_LONG_DOUBLE__",TI.getLongDoubleWidth(),TI,Builder); |
| 654 | DefineTypeSizeof("__SIZEOF_LONG_LONG__", TI.getLongLongWidth(), TI, Builder); |
| 655 | DefineTypeSizeof("__SIZEOF_POINTER__", TI.getPointerWidth(0), TI, Builder); |
| 656 | DefineTypeSizeof("__SIZEOF_SHORT__", TI.getShortWidth(), TI, Builder); |
| 657 | DefineTypeSizeof("__SIZEOF_PTRDIFF_T__", |
| 658 | TI.getTypeWidth(TI.getPtrDiffType(0)), TI, Builder); |
| 659 | DefineTypeSizeof("__SIZEOF_SIZE_T__", |
| 660 | TI.getTypeWidth(TI.getSizeType()), TI, Builder); |
| 661 | DefineTypeSizeof("__SIZEOF_WCHAR_T__", |
| 662 | TI.getTypeWidth(TI.getWCharType()), TI, Builder); |
| 663 | DefineTypeSizeof("__SIZEOF_WINT_T__", |
| 664 | TI.getTypeWidth(TI.getWIntType()), TI, Builder); |
Richard Smith | 8426890 | 2012-11-29 05:41:51 +0000 | [diff] [blame] | 665 | if (TI.hasInt128Type()) |
| 666 | DefineTypeSizeof("__SIZEOF_INT128__", 128, TI, Builder); |
Dan Gohman | cfeac34 | 2010-05-28 00:27:15 +0000 | [diff] [blame] | 667 | |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 668 | DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 669 | DefineFmt("__INTMAX", TI.getIntMaxType(), TI, Builder); |
| 670 | Builder.defineMacro("__INTMAX_C_SUFFIX__", |
| 671 | TI.getTypeConstantSuffix(TI.getIntMaxType())); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 672 | DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 673 | DefineFmt("__UINTMAX", TI.getUIntMaxType(), TI, Builder); |
| 674 | Builder.defineMacro("__UINTMAX_C_SUFFIX__", |
| 675 | TI.getTypeConstantSuffix(TI.getUIntMaxType())); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 676 | DefineTypeWidth("__INTMAX_WIDTH__", TI.getIntMaxType(), TI, Builder); |
| 677 | DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 678 | DefineFmt("__PTRDIFF", TI.getPtrDiffType(0), TI, Builder); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 679 | DefineTypeWidth("__PTRDIFF_WIDTH__", TI.getPtrDiffType(0), TI, Builder); |
| 680 | DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 681 | DefineFmt("__INTPTR", TI.getIntPtrType(), TI, Builder); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 682 | DefineTypeWidth("__INTPTR_WIDTH__", TI.getIntPtrType(), TI, Builder); |
| 683 | DefineType("__SIZE_TYPE__", TI.getSizeType(), Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 684 | DefineFmt("__SIZE", TI.getSizeType(), TI, Builder); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 685 | DefineTypeWidth("__SIZE_WIDTH__", TI.getSizeType(), TI, Builder); |
| 686 | DefineType("__WCHAR_TYPE__", TI.getWCharType(), Builder); |
| 687 | DefineTypeWidth("__WCHAR_WIDTH__", TI.getWCharType(), TI, Builder); |
| 688 | DefineType("__WINT_TYPE__", TI.getWIntType(), Builder); |
| 689 | DefineTypeWidth("__WINT_WIDTH__", TI.getWIntType(), TI, Builder); |
| 690 | DefineTypeWidth("__SIG_ATOMIC_WIDTH__", TI.getSigAtomicType(), TI, Builder); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 691 | DefineTypeSize("__SIG_ATOMIC_MAX__", TI.getSigAtomicType(), TI, Builder); |
Dan Gohman | cfeac34 | 2010-05-28 00:27:15 +0000 | [diff] [blame] | 692 | DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder); |
| 693 | DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 694 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 695 | DefineTypeWidth("__UINTMAX_WIDTH__", TI.getUIntMaxType(), TI, Builder); |
| 696 | DefineType("__UINTPTR_TYPE__", TI.getUIntPtrType(), Builder); |
| 697 | DefineFmt("__UINTPTR", TI.getUIntPtrType(), TI, Builder); |
| 698 | DefineTypeWidth("__UINTPTR_WIDTH__", TI.getUIntPtrType(), TI, Builder); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 699 | |
Eli Friedman | 75e8efe | 2012-11-10 00:20:38 +0000 | [diff] [blame] | 700 | DefineFloatMacros(Builder, "FLT", &TI.getFloatFormat(), "F"); |
| 701 | DefineFloatMacros(Builder, "DBL", &TI.getDoubleFormat(), ""); |
| 702 | DefineFloatMacros(Builder, "LDBL", &TI.getLongDoubleFormat(), "L"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 703 | |
| 704 | // Define a __POINTER_WIDTH__ macro for stdint.h. |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 705 | Builder.defineMacro("__POINTER_WIDTH__", |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 706 | Twine((int)TI.getPointerWidth(0))); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 707 | |
Eli Friedman | 15b9176 | 2009-06-05 07:05:05 +0000 | [diff] [blame] | 708 | if (!LangOpts.CharIsSigned) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 709 | Builder.defineMacro("__CHAR_UNSIGNED__"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 710 | |
James Molloy | a30d860 | 2012-05-04 11:23:40 +0000 | [diff] [blame] | 711 | if (!TargetInfo::isTypeSigned(TI.getWCharType())) |
| 712 | Builder.defineMacro("__WCHAR_UNSIGNED__"); |
| 713 | |
Eli Friedman | 1cfeefd | 2011-04-21 05:45:45 +0000 | [diff] [blame] | 714 | if (!TargetInfo::isTypeSigned(TI.getWIntType())) |
| 715 | Builder.defineMacro("__WINT_UNSIGNED__"); |
| 716 | |
Chris Lattner | dcdd2a0 | 2009-11-12 08:08:27 +0000 | [diff] [blame] | 717 | // Define exact-width integer types for stdint.h |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 718 | DefineExactWidthIntType(TargetInfo::SignedChar, TI, Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 719 | |
Chris Lattner | dcdd2a0 | 2009-11-12 08:08:27 +0000 | [diff] [blame] | 720 | if (TI.getShortWidth() > TI.getCharWidth()) |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 721 | DefineExactWidthIntType(TargetInfo::SignedShort, TI, Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 722 | |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 723 | if (TI.getIntWidth() > TI.getShortWidth()) |
| 724 | DefineExactWidthIntType(TargetInfo::SignedInt, TI, Builder); |
| 725 | |
| 726 | if (TI.getLongWidth() > TI.getIntWidth()) |
| 727 | DefineExactWidthIntType(TargetInfo::SignedLong, TI, Builder); |
| 728 | |
| 729 | if (TI.getLongLongWidth() > TI.getLongWidth()) |
| 730 | DefineExactWidthIntType(TargetInfo::SignedLongLong, TI, Builder); |
| 731 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 732 | DefineExactWidthIntType(TargetInfo::UnsignedChar, TI, Builder); |
| 733 | DefineExactWidthIntTypeSize(TargetInfo::UnsignedChar, TI, Builder); |
| 734 | DefineExactWidthIntTypeSize(TargetInfo::SignedChar, TI, Builder); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 735 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 736 | if (TI.getShortWidth() > TI.getCharWidth()) { |
| 737 | DefineExactWidthIntType(TargetInfo::UnsignedShort, TI, Builder); |
| 738 | DefineExactWidthIntTypeSize(TargetInfo::UnsignedShort, TI, Builder); |
| 739 | DefineExactWidthIntTypeSize(TargetInfo::SignedShort, TI, Builder); |
Stephen Hines | c568f1e | 2014-07-21 00:47:37 -0700 | [diff] [blame] | 740 | } |
| 741 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 742 | if (TI.getIntWidth() > TI.getShortWidth()) { |
| 743 | DefineExactWidthIntType(TargetInfo::UnsignedInt, TI, Builder); |
| 744 | DefineExactWidthIntTypeSize(TargetInfo::UnsignedInt, TI, Builder); |
| 745 | DefineExactWidthIntTypeSize(TargetInfo::SignedInt, TI, Builder); |
| 746 | } |
| 747 | |
| 748 | if (TI.getLongWidth() > TI.getIntWidth()) { |
| 749 | DefineExactWidthIntType(TargetInfo::UnsignedLong, TI, Builder); |
| 750 | DefineExactWidthIntTypeSize(TargetInfo::UnsignedLong, TI, Builder); |
| 751 | DefineExactWidthIntTypeSize(TargetInfo::SignedLong, TI, Builder); |
| 752 | } |
| 753 | |
| 754 | if (TI.getLongLongWidth() > TI.getLongWidth()) { |
| 755 | DefineExactWidthIntType(TargetInfo::UnsignedLongLong, TI, Builder); |
| 756 | DefineExactWidthIntTypeSize(TargetInfo::UnsignedLongLong, TI, Builder); |
| 757 | DefineExactWidthIntTypeSize(TargetInfo::SignedLongLong, TI, Builder); |
| 758 | } |
| 759 | |
| 760 | DefineLeastWidthIntType(8, true, TI, Builder); |
| 761 | DefineLeastWidthIntType(8, false, TI, Builder); |
| 762 | DefineLeastWidthIntType(16, true, TI, Builder); |
| 763 | DefineLeastWidthIntType(16, false, TI, Builder); |
| 764 | DefineLeastWidthIntType(32, true, TI, Builder); |
| 765 | DefineLeastWidthIntType(32, false, TI, Builder); |
| 766 | DefineLeastWidthIntType(64, true, TI, Builder); |
| 767 | DefineLeastWidthIntType(64, false, TI, Builder); |
| 768 | |
| 769 | DefineFastIntType(8, true, TI, Builder); |
| 770 | DefineFastIntType(8, false, TI, Builder); |
| 771 | DefineFastIntType(16, true, TI, Builder); |
| 772 | DefineFastIntType(16, false, TI, Builder); |
| 773 | DefineFastIntType(32, true, TI, Builder); |
| 774 | DefineFastIntType(32, false, TI, Builder); |
| 775 | DefineFastIntType(64, true, TI, Builder); |
| 776 | DefineFastIntType(64, false, TI, Builder); |
| 777 | |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 778 | if (const char *Prefix = TI.getUserLabelPrefix()) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 779 | Builder.defineMacro("__USER_LABEL_PREFIX__", Prefix); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 780 | |
Bob Wilson | 455e72e | 2012-07-19 03:52:53 +0000 | [diff] [blame] | 781 | if (LangOpts.FastMath || LangOpts.FiniteMathOnly) |
| 782 | Builder.defineMacro("__FINITE_MATH_ONLY__", "1"); |
| 783 | else |
| 784 | Builder.defineMacro("__FINITE_MATH_ONLY__", "0"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 785 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 786 | if (!LangOpts.MSVCCompat) { |
| 787 | if (LangOpts.GNUInline) |
| 788 | Builder.defineMacro("__GNUC_GNU_INLINE__"); |
| 789 | else |
| 790 | Builder.defineMacro("__GNUC_STDC_INLINE__"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 791 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 792 | // The value written by __atomic_test_and_set. |
| 793 | // FIXME: This is target-dependent. |
| 794 | Builder.defineMacro("__GCC_ATOMIC_TEST_AND_SET_TRUEVAL", "1"); |
Richard Smith | 2c39d71 | 2012-04-13 00:45:38 +0000 | [diff] [blame] | 795 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 796 | // Used by libstdc++ to implement ATOMIC_<foo>_LOCK_FREE. |
| 797 | unsigned InlineWidthBits = TI.getMaxAtomicInlineWidth(); |
Richard Smith | 2c39d71 | 2012-04-13 00:45:38 +0000 | [diff] [blame] | 798 | #define DEFINE_LOCK_FREE_MACRO(TYPE, Type) \ |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 799 | Builder.defineMacro("__GCC_ATOMIC_" #TYPE "_LOCK_FREE", \ |
| 800 | getLockFreeValue(TI.get##Type##Width(), \ |
| 801 | TI.get##Type##Align(), \ |
| 802 | InlineWidthBits)); |
| 803 | DEFINE_LOCK_FREE_MACRO(BOOL, Bool); |
| 804 | DEFINE_LOCK_FREE_MACRO(CHAR, Char); |
| 805 | DEFINE_LOCK_FREE_MACRO(CHAR16_T, Char16); |
| 806 | DEFINE_LOCK_FREE_MACRO(CHAR32_T, Char32); |
| 807 | DEFINE_LOCK_FREE_MACRO(WCHAR_T, WChar); |
| 808 | DEFINE_LOCK_FREE_MACRO(SHORT, Short); |
| 809 | DEFINE_LOCK_FREE_MACRO(INT, Int); |
| 810 | DEFINE_LOCK_FREE_MACRO(LONG, Long); |
| 811 | DEFINE_LOCK_FREE_MACRO(LLONG, LongLong); |
| 812 | Builder.defineMacro("__GCC_ATOMIC_POINTER_LOCK_FREE", |
| 813 | getLockFreeValue(TI.getPointerWidth(0), |
| 814 | TI.getPointerAlign(0), |
| 815 | InlineWidthBits)); |
Richard Smith | 2c39d71 | 2012-04-13 00:45:38 +0000 | [diff] [blame] | 816 | #undef DEFINE_LOCK_FREE_MACRO |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 817 | } |
Richard Smith | 2c39d71 | 2012-04-13 00:45:38 +0000 | [diff] [blame] | 818 | |
Daniel Dunbar | 7b14026 | 2012-03-09 15:39:08 +0000 | [diff] [blame] | 819 | if (LangOpts.NoInlineDefine) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 820 | Builder.defineMacro("__NO_INLINE__"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 821 | |
| 822 | if (unsigned PICLevel = LangOpts.PICLevel) { |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 823 | Builder.defineMacro("__PIC__", Twine(PICLevel)); |
| 824 | Builder.defineMacro("__pic__", Twine(PICLevel)); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 825 | } |
Chandler Carruth | 5e219cf | 2012-04-08 16:40:35 +0000 | [diff] [blame] | 826 | if (unsigned PIELevel = LangOpts.PIELevel) { |
| 827 | Builder.defineMacro("__PIE__", Twine(PIELevel)); |
| 828 | Builder.defineMacro("__pie__", Twine(PIELevel)); |
| 829 | } |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 830 | |
| 831 | // Macros to control C99 numerics and <float.h> |
Benjamin Kramer | b406669 | 2011-12-28 15:47:06 +0000 | [diff] [blame] | 832 | Builder.defineMacro("__FLT_EVAL_METHOD__", Twine(TI.getFloatEvalMethod())); |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 833 | Builder.defineMacro("__FLT_RADIX__", "2"); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 834 | int Dig = PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36); |
Chris Lattner | 5f9e272 | 2011-07-23 10:55:15 +0000 | [diff] [blame] | 835 | Builder.defineMacro("__DECIMAL_DIG__", Twine(Dig)); |
Bill Wendling | 45483f7 | 2009-06-28 07:36:13 +0000 | [diff] [blame] | 836 | |
Douglas Gregor | e289d81 | 2011-09-13 17:21:33 +0000 | [diff] [blame] | 837 | if (LangOpts.getStackProtector() == LangOptions::SSPOn) |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 838 | Builder.defineMacro("__SSP__"); |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 839 | else if (LangOpts.getStackProtector() == LangOptions::SSPStrong) |
| 840 | Builder.defineMacro("__SSP_STRONG__", "2"); |
Douglas Gregor | e289d81 | 2011-09-13 17:21:33 +0000 | [diff] [blame] | 841 | else if (LangOpts.getStackProtector() == LangOptions::SSPReq) |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 842 | Builder.defineMacro("__SSP_ALL__", "3"); |
Bill Wendling | 45483f7 | 2009-06-28 07:36:13 +0000 | [diff] [blame] | 843 | |
Fariborz Jahanian | 7d95747 | 2010-01-13 18:51:17 +0000 | [diff] [blame] | 844 | if (FEOpts.ProgramAction == frontend::RewriteObjC) |
| 845 | Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))"); |
Ted Kremenek | f0af777 | 2010-05-26 21:36:54 +0000 | [diff] [blame] | 846 | |
| 847 | // Define a macro that exists only when using the static analyzer. |
| 848 | if (FEOpts.ProgramAction == frontend::RunAnalysis) |
| 849 | Builder.defineMacro("__clang_analyzer__"); |
| 850 | |
Peter Collingbourne | f084082 | 2010-12-04 01:51:23 +0000 | [diff] [blame] | 851 | if (LangOpts.FastRelaxedMath) |
| 852 | Builder.defineMacro("__FAST_RELAXED_MATH__"); |
| 853 | |
John McCall | 098df7f | 2011-06-16 00:03:19 +0000 | [diff] [blame] | 854 | if (LangOpts.ObjCAutoRefCount) { |
Argyrios Kyrtzidis | b8b0313 | 2011-06-24 00:08:59 +0000 | [diff] [blame] | 855 | Builder.defineMacro("__weak", "__attribute__((objc_ownership(weak)))"); |
| 856 | Builder.defineMacro("__strong", "__attribute__((objc_ownership(strong)))"); |
John McCall | 098df7f | 2011-06-16 00:03:19 +0000 | [diff] [blame] | 857 | Builder.defineMacro("__autoreleasing", |
Argyrios Kyrtzidis | b8b0313 | 2011-06-24 00:08:59 +0000 | [diff] [blame] | 858 | "__attribute__((objc_ownership(autoreleasing)))"); |
John McCall | 098df7f | 2011-06-16 00:03:19 +0000 | [diff] [blame] | 859 | Builder.defineMacro("__unsafe_unretained", |
Argyrios Kyrtzidis | b8b0313 | 2011-06-24 00:08:59 +0000 | [diff] [blame] | 860 | "__attribute__((objc_ownership(none)))"); |
John McCall | 098df7f | 2011-06-16 00:03:19 +0000 | [diff] [blame] | 861 | } |
| 862 | |
Douglas Gregor | 50a70cd | 2013-01-15 06:45:29 +0000 | [diff] [blame] | 863 | // OpenMP definition |
| 864 | if (LangOpts.OpenMP) { |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 865 | // OpenMP 2.2: |
Douglas Gregor | 50a70cd | 2013-01-15 06:45:29 +0000 | [diff] [blame] | 866 | // In implementations that support a preprocessor, the _OPENMP |
| 867 | // macro name is defined to have the decimal value yyyymm where |
| 868 | // yyyy and mm are the year and the month designations of the |
| 869 | // version of the OpenMP API that the implementation support. |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 870 | Builder.defineMacro("_OPENMP", "201307"); |
Douglas Gregor | 50a70cd | 2013-01-15 06:45:29 +0000 | [diff] [blame] | 871 | } |
| 872 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 873 | // Get other target #defines. |
Benjamin Kramer | a999277 | 2010-01-09 17:55:51 +0000 | [diff] [blame] | 874 | TI.getTargetDefines(LangOpts, Builder); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | /// InitializePreprocessor - Initialize the preprocessor getting it and the |
| 878 | /// environment ready to process a single file. This returns true on error. |
| 879 | /// |
Daniel Dunbar | 938963f | 2009-11-04 21:13:15 +0000 | [diff] [blame] | 880 | void clang::InitializePreprocessor(Preprocessor &PP, |
Daniel Dunbar | 961c76e | 2009-11-11 21:44:42 +0000 | [diff] [blame] | 881 | const PreprocessorOptions &InitOpts, |
Fariborz Jahanian | 7d95747 | 2010-01-13 18:51:17 +0000 | [diff] [blame] | 882 | const FrontendOptions &FEOpts) { |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 883 | const LangOptions &LangOpts = PP.getLangOpts(); |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 884 | std::string PredefineBuffer; |
| 885 | PredefineBuffer.reserve(4080); |
| 886 | llvm::raw_string_ostream Predefines(PredefineBuffer); |
| 887 | MacroBuilder Builder(Predefines); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 888 | |
Chris Lattner | fcaa9e7 | 2010-04-26 22:08:10 +0000 | [diff] [blame] | 889 | // Emit line markers for various builtin sections of the file. We don't do |
| 890 | // this in asm preprocessor mode, because "# 4" is not a line marker directive |
| 891 | // in this mode. |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 892 | if (!PP.getLangOpts().AsmPreprocessor) |
Chris Lattner | fcaa9e7 | 2010-04-26 22:08:10 +0000 | [diff] [blame] | 893 | Builder.append("# 1 \"<built-in>\" 3"); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 894 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 895 | // Install things like __POWERPC__, __GNUC__, etc into the macro table. |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 896 | if (InitOpts.UsePredefines) { |
| 897 | InitializePredefinedMacros(PP.getTargetInfo(), LangOpts, FEOpts, Builder); |
Mike Stump | 1eb4433 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 898 | |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 899 | // Install definitions to make Objective-C++ ARC work well with various |
| 900 | // C++ Standard Library implementations. |
| 901 | if (LangOpts.ObjC1 && LangOpts.CPlusPlus && LangOpts.ObjCAutoRefCount) { |
| 902 | switch (InitOpts.ObjCXXARCStandardLibrary) { |
| 903 | case ARCXX_nolib: |
Douglas Gregor | ed73b10 | 2011-09-27 22:48:19 +0000 | [diff] [blame] | 904 | case ARCXX_libcxx: |
John McCall | f85e193 | 2011-06-15 23:02:42 +0000 | [diff] [blame] | 905 | break; |
| 906 | |
| 907 | case ARCXX_libstdcxx: |
| 908 | AddObjCXXARCLibstdcxxDefines(LangOpts, Builder); |
| 909 | break; |
| 910 | } |
| 911 | } |
| 912 | } |
| 913 | |
Nick Lewycky | a9c6441 | 2011-06-07 06:07:12 +0000 | [diff] [blame] | 914 | // Even with predefines off, some macros are still predefined. |
| 915 | // These should all be defined in the preprocessor according to the |
| 916 | // current language configuration. |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 917 | InitializeStandardPredefinedMacros(PP.getTargetInfo(), PP.getLangOpts(), |
Nick Lewycky | a9c6441 | 2011-06-07 06:07:12 +0000 | [diff] [blame] | 918 | FEOpts, Builder); |
| 919 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 920 | // Add on the predefines from the driver. Wrap in a #line directive to report |
| 921 | // that they come from the command line. |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 922 | if (!PP.getLangOpts().AsmPreprocessor) |
Chris Lattner | fcaa9e7 | 2010-04-26 22:08:10 +0000 | [diff] [blame] | 923 | Builder.append("# 1 \"<command line>\" 1"); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 924 | |
| 925 | // Process #define's and #undef's in the order they are given. |
Daniel Dunbar | 049d3a0 | 2009-11-17 05:52:41 +0000 | [diff] [blame] | 926 | for (unsigned i = 0, e = InitOpts.Macros.size(); i != e; ++i) { |
| 927 | if (InitOpts.Macros[i].second) // isUndef |
Benjamin Kramer | b1b5b90 | 2010-01-09 17:43:21 +0000 | [diff] [blame] | 928 | Builder.undefineMacro(InitOpts.Macros[i].first); |
Chris Lattner | 62f86c4 | 2009-04-21 06:00:24 +0000 | [diff] [blame] | 929 | else |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 930 | DefineBuiltinMacro(Builder, InitOpts.Macros[i].first, |
Daniel Dunbar | 1ee4b9e | 2010-01-10 00:46:21 +0000 | [diff] [blame] | 931 | PP.getDiagnostics()); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 932 | } |
| 933 | |
| 934 | // If -imacros are specified, include them now. These are processed before |
| 935 | // any -include directives. |
Daniel Dunbar | 049d3a0 | 2009-11-17 05:52:41 +0000 | [diff] [blame] | 936 | for (unsigned i = 0, e = InitOpts.MacroIncludes.size(); i != e; ++i) |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 937 | AddImplicitIncludeMacros(Builder, InitOpts.MacroIncludes[i]); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 938 | |
Argyrios Kyrtzidis | 3ad86fd | 2013-02-05 16:36:52 +0000 | [diff] [blame] | 939 | // Process -include-pch/-include-pth directives. |
| 940 | if (!InitOpts.ImplicitPCHInclude.empty()) |
| 941 | AddImplicitIncludePCH(Builder, PP, InitOpts.ImplicitPCHInclude); |
| 942 | if (!InitOpts.ImplicitPTHInclude.empty()) |
| 943 | AddImplicitIncludePTH(Builder, PP, InitOpts.ImplicitPTHInclude); |
| 944 | |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 945 | // Process -include directives. |
Daniel Dunbar | 049d3a0 | 2009-11-17 05:52:41 +0000 | [diff] [blame] | 946 | for (unsigned i = 0, e = InitOpts.Includes.size(); i != e; ++i) { |
| 947 | const std::string &Path = InitOpts.Includes[i]; |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame^] | 948 | AddImplicitInclude(Builder, Path); |
Eli Friedman | ae96a96 | 2009-06-15 09:57:52 +0000 | [diff] [blame] | 949 | } |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 950 | |
Rafael Espindola | 0259d20 | 2009-12-01 18:28:16 +0000 | [diff] [blame] | 951 | // Exit the command line and go back to <built-in> (2 is LC_LEAVE). |
David Blaikie | 4e4d084 | 2012-03-11 07:00:24 +0000 | [diff] [blame] | 952 | if (!PP.getLangOpts().AsmPreprocessor) |
Chris Lattner | fcaa9e7 | 2010-04-26 22:08:10 +0000 | [diff] [blame] | 953 | Builder.append("# 1 \"<built-in>\" 2"); |
Rafael Espindola | 0259d20 | 2009-12-01 18:28:16 +0000 | [diff] [blame] | 954 | |
Douglas Gregor | f4f6c9d | 2010-07-26 21:36:20 +0000 | [diff] [blame] | 955 | // Instruct the preprocessor to skip the preamble. |
| 956 | PP.setSkipMainFilePreamble(InitOpts.PrecompiledPreambleBytes.first, |
| 957 | InitOpts.PrecompiledPreambleBytes.second); |
| 958 | |
Benjamin Kramer | a3d8ced | 2010-01-09 16:17:37 +0000 | [diff] [blame] | 959 | // Copy PredefinedBuffer into the Preprocessor. |
| 960 | PP.setPredefines(Predefines.str()); |
Chris Lattner | e116ccf | 2009-04-21 05:40:52 +0000 | [diff] [blame] | 961 | } |