Esempio n. 1
0
std::string
MSVCToolChain::ComputeEffectiveClangTriple(const ArgList &Args,
        types::ID InputType) const {
    std::string TripleStr =
        ToolChain::ComputeEffectiveClangTriple(Args, InputType);
    llvm::Triple Triple(TripleStr);
    VersionTuple MSVT =
        tools::visualstudio::getMSVCVersion(/*D=*/nullptr, *this, Triple, Args,
                /*IsWindowsMSVC=*/true);
    if (MSVT.empty())
        return TripleStr;

    MSVT = VersionTuple(MSVT.getMajor(), MSVT.getMinor().getValueOr(0),
                        MSVT.getSubminor().getValueOr(0));

    if (Triple.getEnvironment() == llvm::Triple::MSVC) {
        StringRef ObjFmt = Triple.getEnvironmentName().split('-').second;
        if (ObjFmt.empty())
            Triple.setEnvironmentName((Twine("msvc") + MSVT.getAsString()).str());
        else
            Triple.setEnvironmentName(
                (Twine("msvc") + MSVT.getAsString() + Twine('-') + ObjFmt).str());
    }
    return Triple.getTriple();
}
Esempio n. 2
0
VersionTuple
ToolChain::computeMSVCVersion(const Driver *D,
                              const llvm::opt::ArgList &Args) const {
  const Arg *MSCVersion = Args.getLastArg(options::OPT_fmsc_version);
  const Arg *MSCompatibilityVersion =
      Args.getLastArg(options::OPT_fms_compatibility_version);

  if (MSCVersion && MSCompatibilityVersion) {
    if (D)
      D->Diag(diag::err_drv_argument_not_allowed_with)
          << MSCVersion->getAsString(Args)
          << MSCompatibilityVersion->getAsString(Args);
    return VersionTuple();
  }

  if (MSCompatibilityVersion) {
    VersionTuple MSVT;
    if (MSVT.tryParse(MSCompatibilityVersion->getValue())) {
      if (D)
        D->Diag(diag::err_drv_invalid_value)
            << MSCompatibilityVersion->getAsString(Args)
            << MSCompatibilityVersion->getValue();
    } else {
      return MSVT;
    }
  }

  if (MSCVersion) {
    unsigned Version = 0;
    if (StringRef(MSCVersion->getValue()).getAsInteger(10, Version)) {
      if (D)
        D->Diag(diag::err_drv_invalid_value)
            << MSCVersion->getAsString(Args) << MSCVersion->getValue();
    } else {
      return separateMSVCFullVersion(Version);
    }
  }

  return VersionTuple();
}
Esempio n. 3
0
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.MSVCCompat) {
    // 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 && !LangOpts.MSVCCompat)
    Builder.defineMacro("__STRICT_ANSI__");

  if (!LangOpts.MSVCCompat && 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__");

    if (LangOpts.ObjCRuntime.getKind() == ObjCRuntime::ObjFW) {
      VersionTuple tuple = LangOpts.ObjCRuntime.getVersion();

      unsigned minor = 0;
      if (tuple.getMinor().hasValue())
        minor = tuple.getMinor().getValue();

      unsigned subminor = 0;
      if (tuple.getSubminor().hasValue())
        subminor = tuple.getSubminor().getValue();

      Builder.defineMacro("__OBJFW_RUNTIME_ABI__",
                          Twine(tuple.getMajor() * 10000 + minor * 100 +
                                subminor));
    }

    Builder.defineMacro("IBOutlet", "__attribute__((iboutlet))");
    Builder.defineMacro("IBOutletCollection(ClassName)",
                        "__attribute__((iboutletcollection(ClassName)))");
    Builder.defineMacro("IBAction", "void)__attribute__((ibaction)");
    Builder.defineMacro("IBInspectable", "");
    Builder.defineMacro("IB_DESIGNABLE", "");
  }

  if (LangOpts.CPlusPlus)
    InitializeCPlusPlusFeatureTestMacros(LangOpts, Builder);

  // 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.MSVCCompat && LangOpts.Exceptions)
    Builder.defineMacro("__EXCEPTIONS");
  if (!LangOpts.MSVCCompat && LangOpts.RTTI)
    Builder.defineMacro("__GXX_RTTI");
  if (LangOpts.SjLjExceptions)
    Builder.defineMacro("__USING_SJLJ_EXCEPTIONS__");

  if (LangOpts.Deprecated)
    Builder.defineMacro("__DEPRECATED");

  if (!LangOpts.MSVCCompat && LangOpts.CPlusPlus) {
    Builder.defineMacro("__GNUG__", "4");
    Builder.defineMacro("__GXX_WEAK__");
    Builder.defineMacro("__private_extern__", "extern");
  }

  if (LangOpts.MicrosoftExt) {
    if (LangOpts.WChar) {
      // wchar_t supported as a keyword.
      Builder.defineMacro("_WCHAR_T_DEFINED");
      Builder.defineMacro("_NATIVE_WCHAR_T_DEFINED");
    }
  }

  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__");
    Builder.defineMacro("__BIG_ENDIAN__");
  } else {
    Builder.defineMacro("__BYTE_ORDER__", "__ORDER_LITTLE_ENDIAN__");
    Builder.defineMacro("__LITTLE_ENDIAN__");
  }

  if (TI.getPointerWidth(0) == 64 && TI.getLongWidth() == 64
      && TI.getIntWidth() == 32) {
    Builder.defineMacro("_LP64");
    Builder.defineMacro("__LP64__");
  }

  if (TI.getPointerWidth(0) == 32 && TI.getLongWidth() == 32
      && TI.getIntWidth() == 32) {
    Builder.defineMacro("_ILP32");
    Builder.defineMacro("__ILP32__");
  }

  // 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__", TargetInfo::SignedChar, TI, 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);

  DefineTypeSize("__UINTMAX_MAX__", TI.getUIntMaxType(), TI, Builder);
  DefineTypeSize("__PTRDIFF_MAX__", TI.getPtrDiffType(0), TI, Builder);
  DefineTypeSize("__INTPTR_MAX__", TI.getIntPtrType(), TI, Builder);
  DefineTypeSize("__UINTPTR_MAX__", TI.getUIntPtrType(), 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);
  DefineFmt("__INTMAX", TI.getIntMaxType(), TI, Builder);
  Builder.defineMacro("__INTMAX_C_SUFFIX__",
                      TI.getTypeConstantSuffix(TI.getIntMaxType()));
  DefineType("__UINTMAX_TYPE__", TI.getUIntMaxType(), Builder);
  DefineFmt("__UINTMAX", TI.getUIntMaxType(), TI, Builder);
  Builder.defineMacro("__UINTMAX_C_SUFFIX__",
                      TI.getTypeConstantSuffix(TI.getUIntMaxType()));
  DefineTypeWidth("__INTMAX_WIDTH__",  TI.getIntMaxType(), TI, Builder);
  DefineType("__PTRDIFF_TYPE__", TI.getPtrDiffType(0), Builder);
  DefineFmt("__PTRDIFF", TI.getPtrDiffType(0), TI, Builder);
  DefineTypeWidth("__PTRDIFF_WIDTH__", TI.getPtrDiffType(0), TI, Builder);
  DefineType("__INTPTR_TYPE__", TI.getIntPtrType(), Builder);
  DefineFmt("__INTPTR", TI.getIntPtrType(), TI, Builder);
  DefineTypeWidth("__INTPTR_WIDTH__", TI.getIntPtrType(), TI, Builder);
  DefineType("__SIZE_TYPE__", TI.getSizeType(), Builder);
  DefineFmt("__SIZE", TI.getSizeType(), TI, 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);
  DefineTypeSize("__SIG_ATOMIC_MAX__", TI.getSigAtomicType(), TI, Builder);
  DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder);
  DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder);

  DefineTypeWidth("__UINTMAX_WIDTH__",  TI.getUIntMaxType(), TI, Builder);
  DefineType("__UINTPTR_TYPE__", TI.getUIntPtrType(), Builder);
  DefineFmt("__UINTPTR", TI.getUIntPtrType(), TI, Builder);
  DefineTypeWidth("__UINTPTR_WIDTH__", TI.getUIntPtrType(), TI, 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)));

  // Define __BIGGEST_ALIGNMENT__ to be compatible with gcc.
  Builder.defineMacro("__BIGGEST_ALIGNMENT__",
                      Twine(TI.getSuitableAlign() / TI.getCharWidth()) );

  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
  DefineExactWidthIntType(TargetInfo::SignedChar, TI, Builder);

  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);

  DefineExactWidthIntType(TargetInfo::UnsignedChar, TI, Builder);
  DefineExactWidthIntTypeSize(TargetInfo::UnsignedChar, TI, Builder);
  DefineExactWidthIntTypeSize(TargetInfo::SignedChar, TI, Builder);

  if (TI.getShortWidth() > TI.getCharWidth()) {
    DefineExactWidthIntType(TargetInfo::UnsignedShort, TI, Builder);
    DefineExactWidthIntTypeSize(TargetInfo::UnsignedShort, TI, Builder);
    DefineExactWidthIntTypeSize(TargetInfo::SignedShort, TI, Builder);
  }

  if (TI.getIntWidth() > TI.getShortWidth()) {
    DefineExactWidthIntType(TargetInfo::UnsignedInt, TI, Builder);
    DefineExactWidthIntTypeSize(TargetInfo::UnsignedInt, TI, Builder);
    DefineExactWidthIntTypeSize(TargetInfo::SignedInt, TI, Builder);
  }

  if (TI.getLongWidth() > TI.getIntWidth()) {
    DefineExactWidthIntType(TargetInfo::UnsignedLong, TI, Builder);
    DefineExactWidthIntTypeSize(TargetInfo::UnsignedLong, TI, Builder);
    DefineExactWidthIntTypeSize(TargetInfo::SignedLong, TI, Builder);
  }

  if (TI.getLongLongWidth() > TI.getLongWidth()) {
    DefineExactWidthIntType(TargetInfo::UnsignedLongLong, TI, Builder);
    DefineExactWidthIntTypeSize(TargetInfo::UnsignedLongLong, TI, Builder);
    DefineExactWidthIntTypeSize(TargetInfo::SignedLongLong, TI, Builder);
  }

  DefineLeastWidthIntType(8, true, TI, Builder);
  DefineLeastWidthIntType(8, false, TI, Builder);
  DefineLeastWidthIntType(16, true, TI, Builder);
  DefineLeastWidthIntType(16, false, TI, Builder);
  DefineLeastWidthIntType(32, true, TI, Builder);
  DefineLeastWidthIntType(32, false, TI, Builder);
  DefineLeastWidthIntType(64, true, TI, Builder);
  DefineLeastWidthIntType(64, false, TI, Builder);

  DefineFastIntType(8, true, TI, Builder);
  DefineFastIntType(8, false, TI, Builder);
  DefineFastIntType(16, true, TI, Builder);
  DefineFastIntType(16, false, TI, Builder);
  DefineFastIntType(32, true, TI, Builder);
  DefineFastIntType(32, false, TI, Builder);
  DefineFastIntType(64, true, TI, Builder);
  DefineFastIntType(64, false, TI, Builder);

  char UserLabelPrefix[2] = {TI.getDataLayout().getGlobalPrefix(), 0};
  Builder.defineMacro("__USER_LABEL_PREFIX__", UserLabelPrefix);

  if (LangOpts.FastMath || LangOpts.FiniteMathOnly)
    Builder.defineMacro("__FINITE_MATH_ONLY__", "1");
  else
    Builder.defineMacro("__FINITE_MATH_ONLY__", "0");

  if (!LangOpts.MSVCCompat) {
    if (LangOpts.GNUInline || LangOpts.CPlusPlus)
      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 libc++ and 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");
  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);
}
Esempio n. 4
0
void CommentASTToXMLConverter::visitFullComment(const FullComment *C) {
  FullCommentParts Parts(C, Traits);

  const DeclInfo *DI = C->getDeclInfo();
  StringRef RootEndTag;
  if (DI) {
    switch (DI->getKind()) {
    case DeclInfo::OtherKind:
      RootEndTag = "</Other>";
      Result << "<Other";
      break;
    case DeclInfo::FunctionKind:
      RootEndTag = "</Function>";
      Result << "<Function";
      switch (DI->TemplateKind) {
      case DeclInfo::NotTemplate:
        break;
      case DeclInfo::Template:
        Result << " templateKind=\"template\"";
        break;
      case DeclInfo::TemplateSpecialization:
        Result << " templateKind=\"specialization\"";
        break;
      case DeclInfo::TemplatePartialSpecialization:
        llvm_unreachable("partial specializations of functions "
                         "are not allowed in C++");
      }
      if (DI->IsInstanceMethod)
        Result << " isInstanceMethod=\"1\"";
      if (DI->IsClassMethod)
        Result << " isClassMethod=\"1\"";
      break;
    case DeclInfo::ClassKind:
      RootEndTag = "</Class>";
      Result << "<Class";
      switch (DI->TemplateKind) {
      case DeclInfo::NotTemplate:
        break;
      case DeclInfo::Template:
        Result << " templateKind=\"template\"";
        break;
      case DeclInfo::TemplateSpecialization:
        Result << " templateKind=\"specialization\"";
        break;
      case DeclInfo::TemplatePartialSpecialization:
        Result << " templateKind=\"partialSpecialization\"";
        break;
      }
      break;
    case DeclInfo::VariableKind:
      RootEndTag = "</Variable>";
      Result << "<Variable";
      break;
    case DeclInfo::NamespaceKind:
      RootEndTag = "</Namespace>";
      Result << "<Namespace";
      break;
    case DeclInfo::TypedefKind:
      RootEndTag = "</Typedef>";
      Result << "<Typedef";
      break;
    case DeclInfo::EnumKind:
      RootEndTag = "</Enum>";
      Result << "<Enum";
      break;
    }

    {
      // Print line and column number.
      SourceLocation Loc = DI->CurrentDecl->getLocation();
      std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc);
      FileID FID = LocInfo.first;
      unsigned FileOffset = LocInfo.second;

      if (FID.isValid()) {
        if (const FileEntry *FE = SM.getFileEntryForID(FID)) {
          Result << " file=\"";
          appendToResultWithXMLEscaping(FE->getName());
          Result << "\"";
        }
        Result << " line=\"" << SM.getLineNumber(FID, FileOffset)
               << "\" column=\"" << SM.getColumnNumber(FID, FileOffset)
               << "\"";
      }
    }

    // Finish the root tag.
    Result << ">";

    bool FoundName = false;
    if (const NamedDecl *ND = dyn_cast<NamedDecl>(DI->CommentDecl)) {
      if (DeclarationName DeclName = ND->getDeclName()) {
        Result << "<Name>";
        std::string Name = DeclName.getAsString();
        appendToResultWithXMLEscaping(Name);
        FoundName = true;
        Result << "</Name>";
      }
    }
    if (!FoundName)
      Result << "<Name>&lt;anonymous&gt;</Name>";

    {
      // Print USR.
      SmallString<128> USR;
      generateUSRForDecl(DI->CommentDecl, USR);
      if (!USR.empty()) {
        Result << "<USR>";
        appendToResultWithXMLEscaping(USR);
        Result << "</USR>";
      }
    }
  } else {
    // No DeclInfo -- just emit some root tag and name tag.
    RootEndTag = "</Other>";
    Result << "<Other><Name>unknown</Name>";
  }

  if (Parts.Headerfile) {
    Result << "<Headerfile>";
    visit(Parts.Headerfile);
    Result << "</Headerfile>";
  }

  {
    // Pretty-print the declaration.
    Result << "<Declaration>";
    SmallString<128> Declaration;
    getSourceTextOfDeclaration(DI, Declaration);
    formatTextOfDeclaration(DI, Declaration);
    appendToResultWithXMLEscaping(Declaration);
    Result << "</Declaration>";
  }

  bool FirstParagraphIsBrief = false;
  if (Parts.Brief) {
    Result << "<Abstract>";
    visit(Parts.Brief);
    Result << "</Abstract>";
  } else if (Parts.FirstParagraph) {
    Result << "<Abstract>";
    visit(Parts.FirstParagraph);
    Result << "</Abstract>";
    FirstParagraphIsBrief = true;
  }

  if (Parts.TParams.size() != 0) {
    Result << "<TemplateParameters>";
    for (unsigned i = 0, e = Parts.TParams.size(); i != e; ++i)
      visit(Parts.TParams[i]);
    Result << "</TemplateParameters>";
  }

  if (Parts.Params.size() != 0) {
    Result << "<Parameters>";
    for (unsigned i = 0, e = Parts.Params.size(); i != e; ++i)
      visit(Parts.Params[i]);
    Result << "</Parameters>";
  }

  if (Parts.Exceptions.size() != 0) {
    Result << "<Exceptions>";
    for (unsigned i = 0, e = Parts.Exceptions.size(); i != e; ++i)
      visit(Parts.Exceptions[i]);
    Result << "</Exceptions>";
  }

  if (Parts.Returns.size() != 0) {
    Result << "<ResultDiscussion>";
    for (unsigned i = 0, e = Parts.Returns.size(); i != e; ++i)
      visit(Parts.Returns[i]);
    Result << "</ResultDiscussion>";
  }

  if (DI->CommentDecl->hasAttrs()) {
    const AttrVec &Attrs = DI->CommentDecl->getAttrs();
    for (unsigned i = 0, e = Attrs.size(); i != e; i++) {
      const AvailabilityAttr *AA = dyn_cast<AvailabilityAttr>(Attrs[i]);
      if (!AA) {
        if (const DeprecatedAttr *DA = dyn_cast<DeprecatedAttr>(Attrs[i])) {
          if (DA->getMessage().empty())
            Result << "<Deprecated/>";
          else {
            Result << "<Deprecated>";
            appendToResultWithXMLEscaping(DA->getMessage());
            Result << "</Deprecated>";
          }
        }
        else if (const UnavailableAttr *UA = dyn_cast<UnavailableAttr>(Attrs[i])) {
          if (UA->getMessage().empty())
            Result << "<Unavailable/>";
          else {
            Result << "<Unavailable>";
            appendToResultWithXMLEscaping(UA->getMessage());
            Result << "</Unavailable>";
          }
        }
        continue;
      }

      // 'availability' attribute.
      Result << "<Availability";
      StringRef Distribution;
      if (AA->getPlatform()) {
        Distribution = AvailabilityAttr::getPrettyPlatformName(
                                        AA->getPlatform()->getName());
        if (Distribution.empty())
          Distribution = AA->getPlatform()->getName();
      }
      Result << " distribution=\"" << Distribution << "\">";
      VersionTuple IntroducedInVersion = AA->getIntroduced();
      if (!IntroducedInVersion.empty()) {
        Result << "<IntroducedInVersion>"
               << IntroducedInVersion.getAsString()
               << "</IntroducedInVersion>";
      }
      VersionTuple DeprecatedInVersion = AA->getDeprecated();
      if (!DeprecatedInVersion.empty()) {
        Result << "<DeprecatedInVersion>"
               << DeprecatedInVersion.getAsString()
               << "</DeprecatedInVersion>";
      }
      VersionTuple RemovedAfterVersion = AA->getObsoleted();
      if (!RemovedAfterVersion.empty()) {
        Result << "<RemovedAfterVersion>"
               << RemovedAfterVersion.getAsString()
               << "</RemovedAfterVersion>";
      }
      StringRef DeprecationSummary = AA->getMessage();
      if (!DeprecationSummary.empty()) {
        Result << "<DeprecationSummary>";
        appendToResultWithXMLEscaping(DeprecationSummary);
        Result << "</DeprecationSummary>";
      }
      if (AA->getUnavailable())
        Result << "<Unavailable/>";
      Result << "</Availability>";
    }
  }

  {
    bool StartTagEmitted = false;
    for (unsigned i = 0, e = Parts.MiscBlocks.size(); i != e; ++i) {
      const Comment *C = Parts.MiscBlocks[i];
      if (FirstParagraphIsBrief && C == Parts.FirstParagraph)
        continue;
      if (!StartTagEmitted) {
        Result << "<Discussion>";
        StartTagEmitted = true;
      }
      visit(C);
    }
    if (StartTagEmitted)
      Result << "</Discussion>";
  }

  Result << RootEndTag;
}
Esempio n. 5
0
/// \brief Determine the availability of the given declaration based on
/// the target platform.
///
/// When it returns an availability result other than \c AR_Available,
/// if the \p Message parameter is non-NULL, it will be set to a
/// string describing why the entity is unavailable.
///
/// FIXME: Make these strings localizable, since they end up in
/// diagnostics.
static AvailabilityResult CheckAvailability(ASTContext &Context,
                                            const AvailabilityAttr *A,
                                            std::string *Message) {
  StringRef TargetPlatform = Context.getTargetInfo().getPlatformName();
  StringRef PrettyPlatformName
    = AvailabilityAttr::getPrettyPlatformName(TargetPlatform);
  if (PrettyPlatformName.empty())
    PrettyPlatformName = TargetPlatform;

  VersionTuple TargetMinVersion = Context.getTargetInfo().getPlatformMinVersion();
  if (TargetMinVersion.empty())
    return AR_Available;

  // Match the platform name.
  if (A->getPlatform()->getName() != TargetPlatform)
    return AR_Available;
  
  std::string HintMessage;
  if (!A->getMessage().empty()) {
    HintMessage = " - ";
    HintMessage += A->getMessage();
  }
  
  // Make sure that this declaration has not been marked 'unavailable'.
  if (A->getUnavailable()) {
    if (Message) {
      Message->clear();
      llvm::raw_string_ostream Out(*Message);
      Out << "not available on " << PrettyPlatformName 
          << HintMessage;
    }

    return AR_Unavailable;
  }

  // Make sure that this declaration has already been introduced.
  if (!A->getIntroduced().empty() && 
      TargetMinVersion < A->getIntroduced()) {
    if (Message) {
      Message->clear();
      llvm::raw_string_ostream Out(*Message);
      Out << "introduced in " << PrettyPlatformName << ' ' 
          << A->getIntroduced() << HintMessage;
    }

    return AR_NotYetIntroduced;
  }

  // Make sure that this declaration hasn't been obsoleted.
  if (!A->getObsoleted().empty() && TargetMinVersion >= A->getObsoleted()) {
    if (Message) {
      Message->clear();
      llvm::raw_string_ostream Out(*Message);
      Out << "obsoleted in " << PrettyPlatformName << ' ' 
          << A->getObsoleted() << HintMessage;
    }
    
    return AR_Unavailable;
  }

  // Make sure that this declaration hasn't been deprecated.
  if (!A->getDeprecated().empty() && TargetMinVersion >= A->getDeprecated()) {
    if (Message) {
      Message->clear();
      llvm::raw_string_ostream Out(*Message);
      Out << "first deprecated in " << PrettyPlatformName << ' '
          << A->getDeprecated() << HintMessage;
    }
    
    return AR_Deprecated;
  }

  return AR_Available;
}