C++ TargetInfo::getTargetDefines方法代码示例

本文整理汇总了C++中TargetInfo::getTargetDefines方法的典型用法代码示例。如果您正苦于以下问题：C++ TargetInfo::getTargetDefines方法的具体用法？C++ TargetInfo::getTargetDefines怎么用？C++ TargetInfo::getTargetDefines使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TargetInfo的用法示例。

在下文中一共展示了TargetInfo::getTargetDefines方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: InitializePredefinedMacros


//.........这里部分代码省略.........
  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");
  Builder.defineMacro("__DECIMAL_DIG__", "__LDBL_DECIMAL_DIG__");

  if (LangOpts.getStackProtector() == LangOptions::SSPOn)
    Builder.defineMacro("__SSP__");
  else if (LangOpts.getStackProtector() == LangOptions::SSPStrong)
    Builder.defineMacro("__SSP_STRONG__", "2");
  else if (LangOpts.getStackProtector() == LangOptions::SSPReq)
    Builder.defineMacro("__SSP_ALL__", "3");

  // 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 (FEOpts.ProgramAction == frontend::RewriteObjC ||
      LangOpts.getGC() != LangOptions::NonGC) {
    Builder.defineMacro("__weak", "__attribute__((objc_gc(weak)))");
    Builder.defineMacro("__strong", "__attribute__((objc_gc(strong)))");
    Builder.defineMacro("__autoreleasing", "");
    Builder.defineMacro("__unsafe_unretained", "");
  } else if (LangOpts.ObjC1) {
    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)))");
  }

  // On Darwin, there are __double_underscored variants of the type
  // nullability qualifiers.
  if (TI.getTriple().isOSDarwin()) {
    Builder.defineMacro("__nonnull", "_Nonnull");
    Builder.defineMacro("__null_unspecified", "_Null_unspecified");
    Builder.defineMacro("__nullable", "_Nullable");
  }

  // OpenMP definition
  // 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.
  switch (LangOpts.OpenMP) {
  case 0:
    break;
  case 40:
    Builder.defineMacro("_OPENMP", "201307");
    break;
  case 45:
    Builder.defineMacro("_OPENMP", "201511");
    break;
  default:
    // Default version is OpenMP 3.1
    Builder.defineMacro("_OPENMP", "201107");
    break;
  }

  // CUDA device path compilaton
  if (LangOpts.CUDAIsDevice) {
    // The CUDA_ARCH value is set for the GPU target specified in the NVPTX
    // backend's target defines.
    Builder.defineMacro("__CUDA_ARCH__");
  }

  // We need to communicate this to our CUDA header wrapper, which in turn
  // informs the proper CUDA headers of this choice.
  if (LangOpts.CUDADeviceApproxTranscendentals || LangOpts.FastMath) {
    Builder.defineMacro("__CLANG_CUDA_APPROX_TRANSCENDENTALS__");
  }

  // OpenCL definitions.
  if (LangOpts.OpenCL) {
#define OPENCLEXT(Ext) \
    if (TI.getSupportedOpenCLOpts().is_##Ext##_supported( \
        LangOpts.OpenCLVersion)) \
      Builder.defineMacro(#Ext);
#include "clang/Basic/OpenCLExtensions.def"
  }

  // Get other target #defines.
  TI.getTargetDefines(LangOpts, Builder);
}

开发者ID:OpenKimono，项目名称:clang，代码行数:101，代码来源:InitPreprocessor.cpp

示例2: InitializePredefinedMacros


//.........这里部分代码省略.........
  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);
}

开发者ID:clawplach，项目名称:duetto-clang，代码行数:101，代码来源:InitPreprocessor.cpp

示例3: InitializePredefinedMacros


//.........这里部分代码省略.........
  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);
}

开发者ID:lygstate，项目名称:safecode-mirror，代码行数:101，代码来源:InitPreprocessor.cpp

示例4: InitializePredefinedMacros


//.........这里部分代码省略.........
  assert(TI.getCharWidth() == 8 && "Only support 8-bit char so far");
  DefineBuiltinMacro(Buf, "__CHAR_BIT__=8");

  DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Buf);
  DefineTypeSize("__SHRT_MAX__", TargetInfo::SignedShort, TI, Buf);
  DefineTypeSize("__INT_MAX__", TargetInfo::SignedInt, TI, Buf);
  DefineTypeSize("__LONG_MAX__", TargetInfo::SignedLong, TI, Buf);
  DefineTypeSize("__LONG_LONG_MAX__", TargetInfo::SignedLongLong, TI, Buf);
  DefineTypeSize("__WCHAR_MAX__", TI.getWCharType(), TI, Buf);
  DefineTypeSize("__INTMAX_MAX__", TI.getIntMaxType(), TI, Buf);

  DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Buf);
  DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Buf);
  DefineTypeWidth("__INTMAX_WIDTH__",  TI.getIntMaxType(), TI, Buf);
  DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Buf);
  DefineTypeWidth("__PTRDIFF_WIDTH__", TI.getPtrDiffType(0), TI, Buf);
  DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Buf);
  DefineTypeWidth("__INTPTR_WIDTH__", TI.getIntPtrType(), TI, Buf);
  DefineType("__SIZE_TYPE__", TI.getSizeType(), Buf);
  DefineTypeWidth("__SIZE_WIDTH__", TI.getSizeType(), TI, Buf);
  DefineType("__WCHAR_TYPE__", TI.getWCharType(), Buf);
  DefineTypeWidth("__WCHAR_WIDTH__", TI.getWCharType(), TI, Buf);
  DefineType("__WINT_TYPE__", TI.getWIntType(), Buf);
  DefineTypeWidth("__WINT_WIDTH__", TI.getWIntType(), TI, Buf);
  DefineTypeWidth("__SIG_ATOMIC_WIDTH__", TI.getSigAtomicType(), TI, Buf);

  DefineFloatMacros(Buf, "FLT", &TI.getFloatFormat());
  DefineFloatMacros(Buf, "DBL", &TI.getDoubleFormat());
  DefineFloatMacros(Buf, "LDBL", &TI.getLongDoubleFormat());

  // Define a __POINTER_WIDTH__ macro for stdint.h.
  sprintf(MacroBuf, "__POINTER_WIDTH__=%d", (int)TI.getPointerWidth(0));
  DefineBuiltinMacro(Buf, MacroBuf);

  if (!LangOpts.CharIsSigned)
    DefineBuiltinMacro(Buf, "__CHAR_UNSIGNED__");

  // Define exact-width integer types for stdint.h
  sprintf(MacroBuf, "__INT%d_TYPE__=char", TI.getCharWidth());
  DefineBuiltinMacro(Buf, MacroBuf);

  if (TI.getShortWidth() > TI.getCharWidth())
    DefineExactWidthIntType(TargetInfo::SignedShort, TI, Buf);
                      
  if (TI.getIntWidth() > TI.getShortWidth())
    DefineExactWidthIntType(TargetInfo::SignedInt, TI, Buf);
                              
  if (TI.getLongWidth() > TI.getIntWidth())
    DefineExactWidthIntType(TargetInfo::SignedLong, TI, Buf);
                                      
  if (TI.getLongLongWidth() > TI.getLongWidth())
    DefineExactWidthIntType(TargetInfo::SignedLongLong, TI, Buf);
  
  // Add __builtin_va_list typedef.
  {
    const char *VAList = TI.getVAListDeclaration();
    Buf.insert(Buf.end(), VAList, VAList+strlen(VAList));
    Buf.push_back('\n');
  }

  if (const char *Prefix = TI.getUserLabelPrefix()) {
    sprintf(MacroBuf, "__USER_LABEL_PREFIX__=%s", Prefix);
    DefineBuiltinMacro(Buf, MacroBuf);
  }

  // Build configuration options.  FIXME: these should be controlled by
  // command line options or something.
  DefineBuiltinMacro(Buf, "__FINITE_MATH_ONLY__=0");

  if (LangOpts.GNUInline)
    DefineBuiltinMacro(Buf, "__GNUC_GNU_INLINE__=1");
  else
    DefineBuiltinMacro(Buf, "__GNUC_STDC_INLINE__=1");

  if (LangOpts.NoInline)
    DefineBuiltinMacro(Buf, "__NO_INLINE__=1");

  if (unsigned PICLevel = LangOpts.PICLevel) {
    sprintf(MacroBuf, "__PIC__=%d", PICLevel);
    DefineBuiltinMacro(Buf, MacroBuf);

    sprintf(MacroBuf, "__pic__=%d", PICLevel);
    DefineBuiltinMacro(Buf, MacroBuf);
  }

  // Macros to control C99 numerics and <float.h>
  DefineBuiltinMacro(Buf, "__FLT_EVAL_METHOD__=0");
  DefineBuiltinMacro(Buf, "__FLT_RADIX__=2");
  sprintf(MacroBuf, "__DECIMAL_DIG__=%d",
          PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36));
  DefineBuiltinMacro(Buf, MacroBuf);

  if (LangOpts.getStackProtectorMode() == LangOptions::SSPOn)
    DefineBuiltinMacro(Buf, "__SSP__=1");
  else if (LangOpts.getStackProtectorMode() == LangOptions::SSPReq)
    DefineBuiltinMacro(Buf, "__SSP_ALL__=2");

  // Get other target #defines.
  TI.getTargetDefines(LangOpts, Buf);
}

开发者ID:aaasz，项目名称:SHP，代码行数:101，代码来源:InitPreprocessor.cpp

示例5: InitializePredefinedMacros


//.........这里部分代码省略.........
        IntMaxWidth = TI.getLongWidth();
        IntMaxSuffix = "L";
    } else {
        assert(TI.getIntMaxType() == TargetInfo::SignedInt);
        IntMaxWidth = TI.getIntWidth();
        IntMaxSuffix = "";
    }

    DefineTypeSize("__SCHAR_MAX__", TI.getCharWidth(), "", true, Buf);
    DefineTypeSize("__SHRT_MAX__", TI.getShortWidth(), "", true, Buf);
    DefineTypeSize("__INT_MAX__", TI.getIntWidth(), "", true, Buf);
    DefineTypeSize("__LONG_MAX__", TI.getLongWidth(), "L", true, Buf);
    DefineTypeSize("__LONG_LONG_MAX__", TI.getLongLongWidth(), "LL", true, Buf);
    DefineTypeSize("__WCHAR_MAX__", TI.getWCharWidth(), "", true, Buf);
    DefineTypeSize("__INTMAX_MAX__", IntMaxWidth, IntMaxSuffix, true, Buf);

    DefineType("__INTMAX_TYPE__", TI.getIntMaxType(), Buf);
    DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Buf);
    DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Buf);
    DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Buf);
    DefineType("__SIZE_TYPE__", TI.getSizeType(), Buf);
    DefineType("__WCHAR_TYPE__", TI.getWCharType(), Buf);
    // FIXME: TargetInfo hookize __WINT_TYPE__.
    DefineBuiltinMacro(Buf, "__WINT_TYPE__=int");

    DefineFloatMacros(Buf, "FLT", &TI.getFloatFormat());
    DefineFloatMacros(Buf, "DBL", &TI.getDoubleFormat());
    DefineFloatMacros(Buf, "LDBL", &TI.getLongDoubleFormat());

    // Define a __POINTER_WIDTH__ macro for stdint.h.
    sprintf(MacroBuf, "__POINTER_WIDTH__=%d", (int)TI.getPointerWidth(0));
    DefineBuiltinMacro(Buf, MacroBuf);

    if (!LangOpts.CharIsSigned)
        DefineBuiltinMacro(Buf, "__CHAR_UNSIGNED__");

    // Define fixed-sized integer types for stdint.h
    assert(TI.getCharWidth() == 8 && "unsupported target types");
    assert(TI.getShortWidth() == 16 && "unsupported target types");
    DefineBuiltinMacro(Buf, "__INT8_TYPE__=char");
    DefineBuiltinMacro(Buf, "__INT16_TYPE__=short");

    if (TI.getIntWidth() == 32)
        DefineBuiltinMacro(Buf, "__INT32_TYPE__=int");
    else {
        assert(TI.getLongLongWidth() == 32 && "unsupported target types");
        DefineBuiltinMacro(Buf, "__INT32_TYPE__=long long");
    }

    // 16-bit targets doesn't necessarily have a 64-bit type.
    if (TI.getLongLongWidth() == 64)
        DefineType("__INT64_TYPE__", TI.getInt64Type(), Buf);

    // Add __builtin_va_list typedef.
    {
        const char *VAList = TI.getVAListDeclaration();
        Buf.insert(Buf.end(), VAList, VAList+strlen(VAList));
        Buf.push_back('\n');
    }

    if (const char *Prefix = TI.getUserLabelPrefix()) {
        sprintf(MacroBuf, "__USER_LABEL_PREFIX__=%s", Prefix);
        DefineBuiltinMacro(Buf, MacroBuf);
    }

    // Build configuration options.  FIXME: these should be controlled by
    // command line options or something.
    DefineBuiltinMacro(Buf, "__FINITE_MATH_ONLY__=0");

    if (LangOpts.GNUInline)
        DefineBuiltinMacro(Buf, "__GNUC_GNU_INLINE__=1");
    else
        DefineBuiltinMacro(Buf, "__GNUC_STDC_INLINE__=1");

    if (LangOpts.NoInline)
        DefineBuiltinMacro(Buf, "__NO_INLINE__=1");

    if (unsigned PICLevel = LangOpts.PICLevel) {
        sprintf(MacroBuf, "__PIC__=%d", PICLevel);
        DefineBuiltinMacro(Buf, MacroBuf);

        sprintf(MacroBuf, "__pic__=%d", PICLevel);
        DefineBuiltinMacro(Buf, MacroBuf);
    }

    // Macros to control C99 numerics and <float.h>
    DefineBuiltinMacro(Buf, "__FLT_EVAL_METHOD__=0");
    DefineBuiltinMacro(Buf, "__FLT_RADIX__=2");
    sprintf(MacroBuf, "__DECIMAL_DIG__=%d",
            PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36));
    DefineBuiltinMacro(Buf, MacroBuf);

    if (LangOpts.getStackProtectorMode() == LangOptions::SSPOn)
        DefineBuiltinMacro(Buf, "__SSP__=1");
    else if (LangOpts.getStackProtectorMode() == LangOptions::SSPReq)
        DefineBuiltinMacro(Buf, "__SSP_ALL__=2");

    // Get other target #defines.
    TI.getTargetDefines(LangOpts, Buf);
}

开发者ID:Killfrra，项目名称:llvm-kernel，代码行数:101，代码来源:InitPreprocessor.cpp

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