/// \brief Add definitions required for a smooth interaction between /// Objective-C++ automated reference counting and libstdc++ (4.2). static void AddObjCXXARCLibstdcxxDefines(const LangOptions &LangOpts, MacroBuilder &Builder) { Builder.defineMacro("_GLIBCXX_PREDEFINED_OBJC_ARC_IS_SCALAR"); std::string Result; { // Provide specializations for the __is_scalar type trait so that // lifetime-qualified objects are not considered "scalar" types, which // libstdc++ uses as an indicator of the presence of trivial copy, assign, // default-construct, and destruct semantics (none of which hold for // lifetime-qualified objects in ARC). llvm::raw_string_ostream Out(Result); Out << "namespace std {\n" << "\n" << "struct __true_type;\n" << "struct __false_type;\n" << "\n"; Out << "template<typename _Tp> struct __is_scalar;\n" << "\n"; Out << "template<typename _Tp>\n" << "struct __is_scalar<__attribute__((objc_ownership(strong))) _Tp> {\n" << " enum { __value = 0 };\n" << " typedef __false_type __type;\n" << "};\n" << "\n"; if (LangOpts.ObjCARCWeak) { Out << "template<typename _Tp>\n" << "struct __is_scalar<__attribute__((objc_ownership(weak))) _Tp> {\n" << " enum { __value = 0 };\n" << " typedef __false_type __type;\n" << "};\n" << "\n"; } Out << "template<typename _Tp>\n" << "struct __is_scalar<__attribute__((objc_ownership(autoreleasing)))" << " _Tp> {\n" << " enum { __value = 0 };\n" << " typedef __false_type __type;\n" << "};\n" << "\n"; Out << "}\n"; } Builder.append(Result); }
static void AddImplicitIncludeMacros(MacroBuilder &Builder, StringRef File) { Builder.append(Twine("#__include_macros \"") + File + "\""); // Marker token to stop the __include_macros fetch loop. Builder.append("##"); // ##? }
/// AddImplicitInclude - Add an implicit \#include of the specified file to the /// predefines buffer. /// As these includes are generated by -include arguments the header search /// logic is going to search relatively to the current working directory. static void AddImplicitInclude(MacroBuilder &Builder, StringRef File) { Builder.append(Twine("#include \"") + File + "\""); }
/// AddImplicitInclude - Add an implicit \#include of the specified file to the /// predefines buffer. static void AddImplicitInclude(MacroBuilder &Builder, StringRef File, FileManager &FileMgr) { Builder.append(Twine("#include \"") + HeaderSearch::NormalizeDashIncludePath(File, FileMgr) + "\""); }
/// AddImplicitInclude - Add an implicit #include of the specified file to the /// predefines buffer. static void AddImplicitInclude(MacroBuilder &Builder, llvm::StringRef File) { Builder.append("#include \"" + llvm::Twine(NormalizeDashIncludePath(File)) + "\""); }
static void InitializePredefinedMacros(const TargetInfo &TI, const LangOptions &LangOpts, const FrontendOptions &FEOpts, MacroBuilder &Builder) { // Compiler version introspection macros. Builder.defineMacro("__llvm__"); // LLVM Backend Builder.defineMacro("__clang__"); // Clang Frontend #define TOSTR2(X) #X #define TOSTR(X) TOSTR2(X) Builder.defineMacro("__clang_major__", TOSTR(CLANG_VERSION_MAJOR)); Builder.defineMacro("__clang_minor__", TOSTR(CLANG_VERSION_MINOR)); #ifdef CLANG_VERSION_PATCHLEVEL Builder.defineMacro("__clang_patchlevel__", TOSTR(CLANG_VERSION_PATCHLEVEL)); #else Builder.defineMacro("__clang_patchlevel__", "0"); #endif Builder.defineMacro("__clang_version__", "\"" CLANG_VERSION_STRING " " + getClangFullRepositoryVersion() + "\""); #undef TOSTR #undef TOSTR2 if (!LangOpts.MicrosoftMode) { // Currently claim to be compatible with GCC 4.2.1-5621, but only if we're // not compiling for MSVC compatibility Builder.defineMacro("__GNUC_MINOR__", "2"); Builder.defineMacro("__GNUC_PATCHLEVEL__", "1"); Builder.defineMacro("__GNUC__", "4"); Builder.defineMacro("__GXX_ABI_VERSION", "1002"); } // Define macros for the C11 / C++11 memory orderings Builder.defineMacro("__ATOMIC_RELAXED", "0"); Builder.defineMacro("__ATOMIC_CONSUME", "1"); Builder.defineMacro("__ATOMIC_ACQUIRE", "2"); Builder.defineMacro("__ATOMIC_RELEASE", "3"); Builder.defineMacro("__ATOMIC_ACQ_REL", "4"); Builder.defineMacro("__ATOMIC_SEQ_CST", "5"); // Support for #pragma redefine_extname (Sun compatibility) Builder.defineMacro("__PRAGMA_REDEFINE_EXTNAME", "1"); // As sad as it is, enough software depends on the __VERSION__ for version // checks that it is necessary to report 4.2.1 (the base GCC version we claim // compatibility with) first. Builder.defineMacro("__VERSION__", "\"4.2.1 Compatible " + Twine(getClangFullCPPVersion()) + "\""); // Initialize language-specific preprocessor defines. // Standard conforming mode? if (!LangOpts.GNUMode) Builder.defineMacro("__STRICT_ANSI__"); if (LangOpts.CPlusPlus11) Builder.defineMacro("__GXX_EXPERIMENTAL_CXX0X__"); if (LangOpts.ObjC1) { if (LangOpts.ObjCRuntime.isNonFragile()) { Builder.defineMacro("__OBJC2__"); if (LangOpts.ObjCExceptions) Builder.defineMacro("OBJC_ZEROCOST_EXCEPTIONS"); } if (LangOpts.getGC() != LangOptions::NonGC) Builder.defineMacro("__OBJC_GC__"); if (LangOpts.ObjCRuntime.isNeXTFamily()) Builder.defineMacro("__NEXT_RUNTIME__"); Builder.defineMacro("IBOutlet", "__attribute__((iboutlet))"); Builder.defineMacro("IBOutletCollection(ClassName)", "__attribute__((iboutletcollection(ClassName)))"); Builder.defineMacro("IBAction", "void)__attribute__((ibaction)"); } if (LangOpts.getDuettoSide()==LangOptions::DUETTO_Client) { Builder.defineMacro("__DUETTO_CLIENT__"); } else if (LangOpts.getDuettoSide()==LangOptions::DUETTO_Server) { Builder.defineMacro("__DUETTO_SERVER__"); } // darwin_constant_cfstrings controls this. This is also dependent // on other things like the runtime I believe. This is set even for C code. if (!LangOpts.NoConstantCFStrings) Builder.defineMacro("__CONSTANT_CFSTRINGS__"); if (LangOpts.ObjC2) Builder.defineMacro("OBJC_NEW_PROPERTIES"); if (LangOpts.PascalStrings) Builder.defineMacro("__PASCAL_STRINGS__"); if (LangOpts.Blocks) { Builder.defineMacro("__block", "__attribute__((__blocks__(byref)))"); Builder.defineMacro("__BLOCKS__"); } if (LangOpts.CXXExceptions) Builder.defineMacro("__EXCEPTIONS"); if (LangOpts.RTTI) Builder.defineMacro("__GXX_RTTI"); if (LangOpts.SjLjExceptions) Builder.defineMacro("__USING_SJLJ_EXCEPTIONS__"); if (LangOpts.Deprecated) Builder.defineMacro("__DEPRECATED"); if (LangOpts.CPlusPlus) { Builder.defineMacro("__GNUG__", "4"); Builder.defineMacro("__GXX_WEAK__"); Builder.defineMacro("__private_extern__", "extern"); } if (LangOpts.MicrosoftExt) { // Both __PRETTY_FUNCTION__ and __FUNCTION__ are GCC extensions, however // VC++ appears to only like __FUNCTION__. Builder.defineMacro("__PRETTY_FUNCTION__", "__FUNCTION__"); // Work around some issues with Visual C++ headers. if (LangOpts.WChar) { // wchar_t supported as a keyword. Builder.defineMacro("_WCHAR_T_DEFINED"); Builder.defineMacro("_NATIVE_WCHAR_T_DEFINED"); } if (LangOpts.CPlusPlus) { // FIXME: Support Microsoft's __identifier extension in the lexer. Builder.append("#define __identifier(x) x"); Builder.append("class type_info;"); } } if (LangOpts.Optimize) Builder.defineMacro("__OPTIMIZE__"); if (LangOpts.OptimizeSize) Builder.defineMacro("__OPTIMIZE_SIZE__"); if (LangOpts.FastMath) Builder.defineMacro("__FAST_MATH__"); // Initialize target-specific preprocessor defines. // __BYTE_ORDER__ was added in GCC 4.6. It's analogous // to the macro __BYTE_ORDER (no trailing underscores) // from glibc's <endian.h> header. // We don't support the PDP-11 as a target, but include // the define so it can still be compared against. Builder.defineMacro("__ORDER_LITTLE_ENDIAN__", "1234"); Builder.defineMacro("__ORDER_BIG_ENDIAN__", "4321"); Builder.defineMacro("__ORDER_PDP_ENDIAN__", "3412"); if (TI.isBigEndian()) Builder.defineMacro("__BYTE_ORDER__", "__ORDER_BIG_ENDIAN__"); else Builder.defineMacro("__BYTE_ORDER__", "__ORDER_LITTLE_ENDIAN__"); if (TI.getPointerWidth(0) == 64 && TI.getLongWidth() == 64 && TI.getIntWidth() == 32) { Builder.defineMacro("_LP64"); Builder.defineMacro("__LP64__"); } // Define type sizing macros based on the target properties. assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far"); Builder.defineMacro("__CHAR_BIT__", "8"); DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Builder); DefineTypeSize("__SHRT_MAX__", TargetInfo::SignedShort, TI, Builder); DefineTypeSize("__INT_MAX__", TargetInfo::SignedInt, TI, Builder); DefineTypeSize("__LONG_MAX__", TargetInfo::SignedLong, TI, Builder); DefineTypeSize("__LONG_LONG_MAX__", TargetInfo::SignedLongLong, TI, Builder); DefineTypeSize("__WCHAR_MAX__", TI.getWCharType(), TI, Builder); DefineTypeSize("__INTMAX_MAX__", TI.getIntMaxType(), TI, Builder); DefineTypeSize("__SIZE_MAX__", TI.getSizeType(), TI, Builder); DefineTypeSizeof("__SIZEOF_DOUBLE__", TI.getDoubleWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_FLOAT__", TI.getFloatWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_INT__", TI.getIntWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_LONG__", TI.getLongWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_LONG_DOUBLE__",TI.getLongDoubleWidth(),TI,Builder); DefineTypeSizeof("__SIZEOF_LONG_LONG__", TI.getLongLongWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_POINTER__", TI.getPointerWidth(0), TI, Builder); DefineTypeSizeof("__SIZEOF_SHORT__", TI.getShortWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_PTRDIFF_T__", TI.getTypeWidth(TI.getPtrDiffType(0)), TI, Builder); DefineTypeSizeof("__SIZEOF_SIZE_T__", TI.getTypeWidth(TI.getSizeType()), TI, Builder); DefineTypeSizeof("__SIZEOF_WCHAR_T__", TI.getTypeWidth(TI.getWCharType()), TI, Builder); DefineTypeSizeof("__SIZEOF_WINT_T__", TI.getTypeWidth(TI.getWIntType()), TI, Builder); if (TI.hasInt128Type()) DefineTypeSizeof("__SIZEOF_INT128__", 128, TI, Builder); DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Builder); DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Builder); DefineTypeWidth("__INTMAX_WIDTH__", TI.getIntMaxType(), TI, Builder); DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Builder); DefineTypeWidth("__PTRDIFF_WIDTH__", TI.getPtrDiffType(0), TI, Builder); DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Builder); DefineTypeWidth("__INTPTR_WIDTH__", TI.getIntPtrType(), TI, Builder); DefineType("__SIZE_TYPE__", TI.getSizeType(), Builder); DefineTypeWidth("__SIZE_WIDTH__", TI.getSizeType(), TI, Builder); DefineType("__WCHAR_TYPE__", TI.getWCharType(), Builder); DefineTypeWidth("__WCHAR_WIDTH__", TI.getWCharType(), TI, Builder); DefineType("__WINT_TYPE__", TI.getWIntType(), Builder); DefineTypeWidth("__WINT_WIDTH__", TI.getWIntType(), TI, Builder); DefineTypeWidth("__SIG_ATOMIC_WIDTH__", TI.getSigAtomicType(), TI, Builder); DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder); DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder); DefineFloatMacros(Builder, "FLT", &TI.getFloatFormat(), "F"); DefineFloatMacros(Builder, "DBL", &TI.getDoubleFormat(), ""); DefineFloatMacros(Builder, "LDBL", &TI.getLongDoubleFormat(), "L"); // Define a __POINTER_WIDTH__ macro for stdint.h. Builder.defineMacro("__POINTER_WIDTH__", Twine((int)TI.getPointerWidth(0))); if (!LangOpts.CharIsSigned) Builder.defineMacro("__CHAR_UNSIGNED__"); if (!TargetInfo::isTypeSigned(TI.getWCharType())) Builder.defineMacro("__WCHAR_UNSIGNED__"); if (!TargetInfo::isTypeSigned(TI.getWIntType())) Builder.defineMacro("__WINT_UNSIGNED__"); // Define exact-width integer types for stdint.h Builder.defineMacro("__INT" + Twine(TI.getCharWidth()) + "_TYPE__", "char"); if (TI.getShortWidth() > TI.getCharWidth()) DefineExactWidthIntType(TargetInfo::SignedShort, TI, Builder); if (TI.getIntWidth() > TI.getShortWidth()) DefineExactWidthIntType(TargetInfo::SignedInt, TI, Builder); if (TI.getLongWidth() > TI.getIntWidth()) DefineExactWidthIntType(TargetInfo::SignedLong, TI, Builder); if (TI.getLongLongWidth() > TI.getLongWidth()) DefineExactWidthIntType(TargetInfo::SignedLongLong, TI, Builder); if (const char *Prefix = TI.getUserLabelPrefix()) Builder.defineMacro("__USER_LABEL_PREFIX__", Prefix); if (LangOpts.FastMath || LangOpts.FiniteMathOnly) Builder.defineMacro("__FINITE_MATH_ONLY__", "1"); else Builder.defineMacro("__FINITE_MATH_ONLY__", "0"); if (LangOpts.GNUInline) Builder.defineMacro("__GNUC_GNU_INLINE__"); else Builder.defineMacro("__GNUC_STDC_INLINE__"); // The value written by __atomic_test_and_set. // FIXME: This is target-dependent. Builder.defineMacro("__GCC_ATOMIC_TEST_AND_SET_TRUEVAL", "1"); // Used by libstdc++ to implement ATOMIC_<foo>_LOCK_FREE. unsigned InlineWidthBits = TI.getMaxAtomicInlineWidth(); #define DEFINE_LOCK_FREE_MACRO(TYPE, Type) \ Builder.defineMacro("__GCC_ATOMIC_" #TYPE "_LOCK_FREE", \ getLockFreeValue(TI.get##Type##Width(), \ TI.get##Type##Align(), \ InlineWidthBits)); DEFINE_LOCK_FREE_MACRO(BOOL, Bool); DEFINE_LOCK_FREE_MACRO(CHAR, Char); DEFINE_LOCK_FREE_MACRO(CHAR16_T, Char16); DEFINE_LOCK_FREE_MACRO(CHAR32_T, Char32); DEFINE_LOCK_FREE_MACRO(WCHAR_T, WChar); DEFINE_LOCK_FREE_MACRO(SHORT, Short); DEFINE_LOCK_FREE_MACRO(INT, Int); DEFINE_LOCK_FREE_MACRO(LONG, Long); DEFINE_LOCK_FREE_MACRO(LLONG, LongLong); Builder.defineMacro("__GCC_ATOMIC_POINTER_LOCK_FREE", getLockFreeValue(TI.getPointerWidth(0), TI.getPointerAlign(0), InlineWidthBits)); #undef DEFINE_LOCK_FREE_MACRO if (LangOpts.NoInlineDefine) Builder.defineMacro("__NO_INLINE__"); if (unsigned PICLevel = LangOpts.PICLevel) { Builder.defineMacro("__PIC__", Twine(PICLevel)); Builder.defineMacro("__pic__", Twine(PICLevel)); } if (unsigned PIELevel = LangOpts.PIELevel) { Builder.defineMacro("__PIE__", Twine(PIELevel)); Builder.defineMacro("__pie__", Twine(PIELevel)); } // Macros to control C99 numerics and <float.h> Builder.defineMacro("__FLT_EVAL_METHOD__", Twine(TI.getFloatEvalMethod())); Builder.defineMacro("__FLT_RADIX__", "2"); int Dig = PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36); Builder.defineMacro("__DECIMAL_DIG__", Twine(Dig)); if (LangOpts.getStackProtector() == LangOptions::SSPOn) Builder.defineMacro("__SSP__"); else if (LangOpts.getStackProtector() == LangOptions::SSPReq) Builder.defineMacro("__SSP_ALL__", "2"); if (FEOpts.ProgramAction == frontend::RewriteObjC) Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))"); // Define a macro that exists only when using the static analyzer. if (FEOpts.ProgramAction == frontend::RunAnalysis) Builder.defineMacro("__clang_analyzer__"); if (LangOpts.FastRelaxedMath) Builder.defineMacro("__FAST_RELAXED_MATH__"); if (LangOpts.ObjCAutoRefCount) { Builder.defineMacro("__weak", "__attribute__((objc_ownership(weak)))"); Builder.defineMacro("__strong", "__attribute__((objc_ownership(strong)))"); Builder.defineMacro("__autoreleasing", "__attribute__((objc_ownership(autoreleasing)))"); Builder.defineMacro("__unsafe_unretained", "__attribute__((objc_ownership(none)))"); } // OpenMP definition if (LangOpts.OpenMP) { // OpenMP 2.2: // In implementations that support a preprocessor, the _OPENMP // macro name is defined to have the decimal value yyyymm where // yyyy and mm are the year and the month designations of the // version of the OpenMP API that the implementation support. Builder.defineMacro("_OPENMP", "201107"); } // Get other target #defines. TI.getTargetDefines(LangOpts, Builder); }
static void InitializePredefinedMacros(const TargetInfo &TI, const LangOptions &LangOpts, const FrontendOptions &FEOpts, MacroBuilder &Builder) { // Compiler version introspection macros. Builder.defineMacro("__llvm__"); // LLVM Backend Builder.defineMacro("__clang__"); // Clang Frontend #define TOSTR2(X) #X #define TOSTR(X) TOSTR2(X) Builder.defineMacro("__clang_major__", TOSTR(CLANG_VERSION_MAJOR)); Builder.defineMacro("__clang_minor__", TOSTR(CLANG_VERSION_MINOR)); #ifdef CLANG_VERSION_PATCHLEVEL Builder.defineMacro("__clang_patchlevel__", TOSTR(CLANG_VERSION_PATCHLEVEL)); #else Builder.defineMacro("__clang_patchlevel__", "0"); #endif Builder.defineMacro("__clang_version__", "\"" CLANG_VERSION_STRING " (" + getClangFullRepositoryVersion() + ")\""); #undef TOSTR #undef TOSTR2 // Currently claim to be compatible with GCC 4.2.1-5621. Builder.defineMacro("__GNUC_MINOR__", "2"); Builder.defineMacro("__GNUC_PATCHLEVEL__", "1"); Builder.defineMacro("__GNUC__", "4"); Builder.defineMacro("__GXX_ABI_VERSION", "1002"); // As sad as it is, enough software depends on the __VERSION__ for version // checks that it is necessary to report 4.2.1 (the base GCC version we claim // compatibility with) first. Builder.defineMacro("__VERSION__", "\"4.2.1 Compatible " + Twine(getClangFullCPPVersion()) + "\""); // Initialize language-specific preprocessor defines. // Standard conforming mode? if (!LangOpts.GNUMode) Builder.defineMacro("__STRICT_ANSI__"); if (LangOpts.CPlusPlus0x) Builder.defineMacro("__GXX_EXPERIMENTAL_CXX0X__"); if (LangOpts.ObjC1) { if (LangOpts.ObjCNonFragileABI) { Builder.defineMacro("__OBJC2__"); if (LangOpts.ObjCExceptions) Builder.defineMacro("OBJC_ZEROCOST_EXCEPTIONS"); } if (LangOpts.getGC() != LangOptions::NonGC) Builder.defineMacro("__OBJC_GC__"); if (LangOpts.NeXTRuntime) Builder.defineMacro("__NEXT_RUNTIME__"); } // darwin_constant_cfstrings controls this. This is also dependent // on other things like the runtime I believe. This is set even for C code. if (!LangOpts.NoConstantCFStrings) Builder.defineMacro("__CONSTANT_CFSTRINGS__"); if (LangOpts.ObjC2) Builder.defineMacro("OBJC_NEW_PROPERTIES"); if (LangOpts.PascalStrings) Builder.defineMacro("__PASCAL_STRINGS__"); if (LangOpts.Blocks) { Builder.defineMacro("__block", "__attribute__((__blocks__(byref)))"); Builder.defineMacro("__BLOCKS__"); } if (LangOpts.CXXExceptions) Builder.defineMacro("__EXCEPTIONS"); if (LangOpts.RTTI) Builder.defineMacro("__GXX_RTTI"); if (LangOpts.SjLjExceptions) Builder.defineMacro("__USING_SJLJ_EXCEPTIONS__"); if (LangOpts.Deprecated) Builder.defineMacro("__DEPRECATED"); if (LangOpts.CPlusPlus) { Builder.defineMacro("__GNUG__", "4"); Builder.defineMacro("__GXX_WEAK__"); Builder.defineMacro("__private_extern__", "extern"); } if (LangOpts.MicrosoftExt) { // Both __PRETTY_FUNCTION__ and __FUNCTION__ are GCC extensions, however // VC++ appears to only like __FUNCTION__. Builder.defineMacro("__PRETTY_FUNCTION__", "__FUNCTION__"); // Work around some issues with Visual C++ headerws. if (LangOpts.CPlusPlus) { // Since we define wchar_t in C++ mode. Builder.defineMacro("_WCHAR_T_DEFINED"); Builder.defineMacro("_NATIVE_WCHAR_T_DEFINED"); // FIXME: Support Microsoft's __identifier extension in the lexer. Builder.append("#define __identifier(x) x"); Builder.append("class type_info;"); } if (LangOpts.CPlusPlus0x) { Builder.defineMacro("_HAS_CHAR16_T_LANGUAGE_SUPPORT", "1"); } } if (LangOpts.Optimize) Builder.defineMacro("__OPTIMIZE__"); if (LangOpts.OptimizeSize) Builder.defineMacro("__OPTIMIZE_SIZE__"); // Initialize target-specific preprocessor defines. // Define type sizing macros based on the target properties. assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far"); Builder.defineMacro("__CHAR_BIT__", "8"); DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Builder); DefineTypeSize("__SHRT_MAX__", TargetInfo::SignedShort, TI, Builder); DefineTypeSize("__INT_MAX__", TargetInfo::SignedInt, TI, Builder); DefineTypeSize("__LONG_MAX__", TargetInfo::SignedLong, TI, Builder); DefineTypeSize("__LONG_LONG_MAX__", TargetInfo::SignedLongLong, TI, Builder); DefineTypeSize("__WCHAR_MAX__", TI.getWCharType(), TI, Builder); DefineTypeSize("__INTMAX_MAX__", TI.getIntMaxType(), TI, Builder); DefineTypeSizeof("__SIZEOF_DOUBLE__", TI.getDoubleWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_FLOAT__", TI.getFloatWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_INT__", TI.getIntWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_LONG__", TI.getLongWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_LONG_DOUBLE__",TI.getLongDoubleWidth(),TI,Builder); DefineTypeSizeof("__SIZEOF_LONG_LONG__", TI.getLongLongWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_POINTER__", TI.getPointerWidth(0), TI, Builder); DefineTypeSizeof("__SIZEOF_SHORT__", TI.getShortWidth(), TI, Builder); DefineTypeSizeof("__SIZEOF_PTRDIFF_T__", TI.getTypeWidth(TI.getPtrDiffType(0)), TI, Builder); DefineTypeSizeof("__SIZEOF_SIZE_T__", TI.getTypeWidth(TI.getSizeType()), TI, Builder); DefineTypeSizeof("__SIZEOF_WCHAR_T__", TI.getTypeWidth(TI.getWCharType()), TI, Builder); DefineTypeSizeof("__SIZEOF_WINT_T__", TI.getTypeWidth(TI.getWIntType()), TI, Builder); DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Builder); DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Builder); DefineTypeWidth("__INTMAX_WIDTH__", TI.getIntMaxType(), TI, Builder); DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Builder); DefineTypeWidth("__PTRDIFF_WIDTH__", TI.getPtrDiffType(0), TI, Builder); DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Builder); DefineTypeWidth("__INTPTR_WIDTH__", TI.getIntPtrType(), TI, Builder); DefineType("__SIZE_TYPE__", TI.getSizeType(), Builder); DefineTypeWidth("__SIZE_WIDTH__", TI.getSizeType(), TI, Builder); DefineType("__WCHAR_TYPE__", TI.getWCharType(), Builder); DefineTypeWidth("__WCHAR_WIDTH__", TI.getWCharType(), TI, Builder); DefineType("__WINT_TYPE__", TI.getWIntType(), Builder); DefineTypeWidth("__WINT_WIDTH__", TI.getWIntType(), TI, Builder); DefineTypeWidth("__SIG_ATOMIC_WIDTH__", TI.getSigAtomicType(), TI, Builder); DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder); DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder); DefineFloatMacros(Builder, "FLT", &TI.getFloatFormat()); DefineFloatMacros(Builder, "DBL", &TI.getDoubleFormat()); DefineFloatMacros(Builder, "LDBL", &TI.getLongDoubleFormat()); // Define a __POINTER_WIDTH__ macro for stdint.h. Builder.defineMacro("__POINTER_WIDTH__", Twine((int)TI.getPointerWidth(0))); if (!LangOpts.CharIsSigned) Builder.defineMacro("__CHAR_UNSIGNED__"); if (!TargetInfo::isTypeSigned(TI.getWIntType())) Builder.defineMacro("__WINT_UNSIGNED__"); if (!TargetInfo::isTypeSigned(TI.getWCharType())) Builder.defineMacro("__WCHAR_UNSIGNED__"); // Define exact-width integer types for stdint.h Builder.defineMacro("__INT" + Twine(TI.getCharWidth()) + "_TYPE__", "char"); if (TI.getShortWidth() > TI.getCharWidth()) DefineExactWidthIntType(TargetInfo::SignedShort, TI, Builder); if (TI.getIntWidth() > TI.getShortWidth()) DefineExactWidthIntType(TargetInfo::SignedInt, TI, Builder); if (TI.getLongWidth() > TI.getIntWidth()) DefineExactWidthIntType(TargetInfo::SignedLong, TI, Builder); if (TI.getLongLongWidth() > TI.getLongWidth()) DefineExactWidthIntType(TargetInfo::SignedLongLong, TI, Builder); // Add __builtin_va_list typedef. Builder.append(TI.getVAListDeclaration()); if (const char *Prefix = TI.getUserLabelPrefix()) Builder.defineMacro("__USER_LABEL_PREFIX__", Prefix); // Build configuration options. FIXME: these should be controlled by // command line options or something. Builder.defineMacro("__FINITE_MATH_ONLY__", "0"); if (LangOpts.GNUInline) Builder.defineMacro("__GNUC_GNU_INLINE__"); else Builder.defineMacro("__GNUC_STDC_INLINE__"); if (LangOpts.NoInline) Builder.defineMacro("__NO_INLINE__"); if (unsigned PICLevel = LangOpts.PICLevel) { Builder.defineMacro("__PIC__", Twine(PICLevel)); Builder.defineMacro("__pic__", Twine(PICLevel)); } // Macros to control C99 numerics and <float.h> Builder.defineMacro("__FLT_EVAL_METHOD__", "0"); Builder.defineMacro("__FLT_RADIX__", "2"); int Dig = PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36); Builder.defineMacro("__DECIMAL_DIG__", Twine(Dig)); if (LangOpts.getStackProtector() == LangOptions::SSPOn) Builder.defineMacro("__SSP__"); else if (LangOpts.getStackProtector() == LangOptions::SSPReq) Builder.defineMacro("__SSP_ALL__", "2"); if (FEOpts.ProgramAction == frontend::RewriteObjC) Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))"); // Define a macro that exists only when using the static analyzer. if (FEOpts.ProgramAction == frontend::RunAnalysis) Builder.defineMacro("__clang_analyzer__"); if (LangOpts.FastRelaxedMath) Builder.defineMacro("__FAST_RELAXED_MATH__"); if (LangOpts.ObjCAutoRefCount) { Builder.defineMacro("__weak", "__attribute__((objc_ownership(weak)))"); Builder.defineMacro("__strong", "__attribute__((objc_ownership(strong)))"); Builder.defineMacro("__autoreleasing", "__attribute__((objc_ownership(autoreleasing)))"); Builder.defineMacro("__unsafe_unretained", "__attribute__((objc_ownership(none)))"); } // Get other target #defines. TI.getTargetDefines(LangOpts, Builder); }
/// \brief Add definitions required for a smooth interaction between /// Objective-C++ automatic reference counting and libc++. static void AddObjCXXARCLibcxxDefines(const LangOptions &LangOpts, MacroBuilder &Builder) { Builder.defineMacro("_LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF"); std::string Result; { // Provide overloads of the function std::__1::addressof() that accept // references to lifetime-qualified objects. libc++'s (more general) // std::__1::addressof() template fails to instantiate with such types, // because it attempts to convert the object to a char& before // dereferencing. llvm::raw_string_ostream Out(Result); Out << "#pragma clang diagnostic push\n" << "#pragma clang diagnostic ignored \"-Wc++0x-extensions\"\n" << "namespace std { inline namespace __1 {\n" << "\n"; Out << "template <class _Tp>\n" << "inline __attribute__ ((__visibility__(\"hidden\"), " << "__always_inline__))\n" << "__attribute__((objc_ownership(strong))) _Tp*\n" << "addressof(__attribute__((objc_ownership(strong))) _Tp& __x) {\n" << " return &__x;\n" << "}\n" << "\n"; if (LangOpts.ObjCRuntimeHasWeak) { Out << "template <class _Tp>\n" << "inline __attribute__ ((__visibility__(\"hidden\")," << "__always_inline__))\n" << "__attribute__((objc_ownership(weak))) _Tp*\n" << "addressof(__attribute__((objc_ownership(weak))) _Tp& __x) {\n" << " return &__x;\n" << "};\n" << "\n"; } Out << "template <class _Tp>\n" << "inline __attribute__ ((__visibility__(\"hidden\")," << "__always_inline__))\n" << "__attribute__((objc_ownership(autoreleasing))) _Tp*\n" << "addressof(__attribute__((objc_ownership(autoreleasing))) _Tp& __x) " << "{\n" << " return &__x;\n" << "}\n" << "\n"; Out << "template <class _Tp>\n" << "inline __attribute__ ((__visibility__(\"hidden\"), " << "__always_inline__))\n" << "__unsafe_unretained _Tp* addressof(__unsafe_unretained _Tp& __x)" << " {\n" << " return &__x;\n" << "}\n"; Out << "\n" << "} }\n" << "#pragma clang diagnostic pop\n" << "\n"; } Builder.append(Result); }