r320089 - Add new language mode flags for C17.
Aaron Ballman via cfe-commits
cfe-commits at lists.llvm.org
Thu Dec 7 15:00:46 PST 2017
On Thu, Dec 7, 2017 at 5:59 PM, Ahmed Bougacha <ahmed.bougacha at gmail.com> wrote:
> On Thu, Dec 7, 2017 at 2:56 PM, Richard Smith via cfe-commits
> <cfe-commits at lists.llvm.org> wrote:
>> Looks like this might have messed up the line endings in a few files?
>
> Should be taken care of in r320112.
Thanks, I was just getting on that. Sorry about the inadvertent churn there!
~Aaron
>
> -Ahmed
>
>> On 7 December 2017 at 13:46, Aaron Ballman via cfe-commits
>> <cfe-commits at lists.llvm.org> wrote:
>>>
>>> Author: aaronballman
>>> Date: Thu Dec 7 13:46:26 2017
>>> New Revision: 320089
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=320089&view=rev
>>> Log:
>>> Add new language mode flags for C17.
>>>
>>> This adds -std=c17, -std=gnu17, and -std=iso9899:2017 as language mode
>>> flags for C17 and updates the value of __STDC_VERSION__ to the value based
>>> on the C17 FDIS. Given that this ballot cannot succeed until 2018, it is
>>> expected that we (and GCC) will add c18 flags as aliases once the ballot
>>> passes.
>>>
>>> Modified:
>>> cfe/trunk/docs/ReleaseNotes.rst
>>> cfe/trunk/include/clang/Basic/LangOptions.def
>>> cfe/trunk/include/clang/Frontend/LangStandard.h
>>> cfe/trunk/include/clang/Frontend/LangStandards.def
>>> cfe/trunk/lib/Frontend/CompilerInvocation.cpp
>>> cfe/trunk/lib/Frontend/InitPreprocessor.cpp
>>> cfe/trunk/test/Driver/unknown-std.c
>>>
>>> Modified: cfe/trunk/docs/ReleaseNotes.rst
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/ReleaseNotes.rst?rev=320089&r1=320088&r2=320089&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/docs/ReleaseNotes.rst (original)
>>> +++ cfe/trunk/docs/ReleaseNotes.rst Thu Dec 7 13:46:26 2017
>>> @@ -121,6 +121,12 @@ New Compiler Flags
>>> number of attributes are supported outside of C++ mode. See the Clang
>>> attribute documentation for more information about which attributes are
>>> supported for each syntax.
>>> +
>>> +- Added the ``-std=c17``, ``-std=gnu17``, and ``-std=iso9899:2017``
>>> language
>>> + mode flags for compatibility with GCC. This enables support for the
>>> next
>>> + version of the C standard, expected to be published by ISO in 2018. The
>>> only
>>> + difference between the ``-std=c17`` and ``-std=c11`` language modes is
>>> the
>>> + value of the ``__STDC_VERSION__`` macro, as C17 is a bug fix release.
>>>
>>> Deprecated Compiler Flags
>>> -------------------------
>>>
>>> Modified: cfe/trunk/include/clang/Basic/LangOptions.def
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/LangOptions.def?rev=320089&r1=320088&r2=320089&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/include/clang/Basic/LangOptions.def (original)
>>> +++ cfe/trunk/include/clang/Basic/LangOptions.def Thu Dec 7 13:46:26 2017
>>> @@ -1,187 +1,188 @@
>>> -//===--- LangOptions.def - Language option database -------------*- C++
>>> -*-===//
>>> -//
>>> -// The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -//
>>> -// This file defines the language options. Users of this file must
>>> -// define the LANGOPT macro to make use of this information.
>>> -//
>>> -// Optionally, the user may also define:
>>> -//
>>> -// BENIGN_LANGOPT: for options that don't affect the construction of the
>>> AST in
>>> -// any way (that is, the value can be different between an implicit
>>> module
>>> -// and the user of that module).
>>> -//
>>> -// COMPATIBLE_LANGOPT: for options that affect the construction of the
>>> AST in
>>> -// a way that doesn't prevent interoperability (that is, the value
>>> can be
>>> -// different between an explicit module and the user of that module).
>>> -//
>>> -// ENUM_LANGOPT: for options that have enumeration, rather than unsigned,
>>> type.
>>> -//
>>> -// VALUE_LANGOPT: for options that describe a value rather than a flag.
>>> -//
>>> -// BENIGN_ENUM_LANGOPT, COMPATIBLE_ENUM_LANGOPT,
>>> -// BENIGN_VALUE_LANGOPT, COMPATIBLE_VALUE_LANGOPT: combinations of the
>>> above.
>>> -//
>>> -// FIXME: Clients should be able to more easily select whether they want
>>> -// different levels of compatibility versus how to handle different kinds
>>> -// of option.
>>> -//
>>> -// The Description field should be a noun phrase, for instance "frobbing
>>> all
>>> -// widgets" or "C's implicit blintz feature".
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#ifndef LANGOPT
>>> -# error Define the LANGOPT macro to handle language options
>>> -#endif
>>> -
>>> -#ifndef COMPATIBLE_LANGOPT
>>> -# define COMPATIBLE_LANGOPT(Name, Bits, Default, Description) \
>>> - LANGOPT(Name, Bits, Default, Description)
>>> -#endif
>>> -
>>> -#ifndef BENIGN_LANGOPT
>>> -# define BENIGN_LANGOPT(Name, Bits, Default, Description) \
>>> - COMPATIBLE_LANGOPT(Name, Bits, Default, Description)
>>> -#endif
>>> -
>>> -#ifndef ENUM_LANGOPT
>>> -# define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
>>> - LANGOPT(Name, Bits, Default, Description)
>>> -#endif
>>> -
>>> -#ifndef COMPATIBLE_ENUM_LANGOPT
>>> -# define COMPATIBLE_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
>>> \
>>> - ENUM_LANGOPT(Name, Type, Bits, Default, Description)
>>> -#endif
>>> -
>>> -#ifndef BENIGN_ENUM_LANGOPT
>>> -# define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
>>> - COMPATIBLE_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
>>> -#endif
>>> -
>>> -#ifndef VALUE_LANGOPT
>>> -# define VALUE_LANGOPT(Name, Bits, Default, Description) \
>>> - LANGOPT(Name, Bits, Default, Description)
>>> -#endif
>>> -
>>> -#ifndef COMPATIBLE_VALUE_LANGOPT
>>> -# define COMPATIBLE_VALUE_LANGOPT(Name, Bits, Default, Description) \
>>> - VALUE_LANGOPT(Name, Bits, Default, Description)
>>> -#endif
>>> -
>>> -#ifndef BENIGN_VALUE_LANGOPT
>>> -# define BENIGN_VALUE_LANGOPT(Name, Bits, Default, Description) \
>>> - COMPATIBLE_VALUE_LANGOPT(Name, Bits, Default, Description)
>>> -#endif
>>> -
>>> -// FIXME: A lot of the BENIGN_ options should be COMPATIBLE_ instead.
>>> -LANGOPT(C99 , 1, 0, "C99")
>>> -LANGOPT(C11 , 1, 0, "C11")
>>> -LANGOPT(MSVCCompat , 1, 0, "Microsoft Visual C++ full
>>> compatibility mode")
>>> -LANGOPT(MicrosoftExt , 1, 0, "Microsoft C++ extensions")
>>> -LANGOPT(AsmBlocks , 1, 0, "Microsoft inline asm blocks")
>>> -LANGOPT(Borland , 1, 0, "Borland extensions")
>>> -LANGOPT(CPlusPlus , 1, 0, "C++")
>>> -LANGOPT(CPlusPlus11 , 1, 0, "C++11")
>>> -LANGOPT(CPlusPlus14 , 1, 0, "C++14")
>>> -LANGOPT(CPlusPlus17 , 1, 0, "C++17")
>>> -LANGOPT(CPlusPlus2a , 1, 0, "C++2a")
>>> -LANGOPT(ObjC1 , 1, 0, "Objective-C 1")
>>> -LANGOPT(ObjC2 , 1, 0, "Objective-C 2")
>>> -BENIGN_LANGOPT(ObjCDefaultSynthProperties , 1, 0,
>>> - "Objective-C auto-synthesized properties")
>>> -BENIGN_LANGOPT(EncodeExtendedBlockSig , 1, 0,
>>> - "Encoding extended block type signature")
>>> -BENIGN_LANGOPT(ObjCInferRelatedResultType , 1, 1,
>>> - "Objective-C related result type inference")
>>> -LANGOPT(AppExt , 1, 0, "Objective-C App Extension")
>>> -LANGOPT(Trigraphs , 1, 0,"trigraphs")
>>> -LANGOPT(LineComment , 1, 0, "'//' comments")
>>> -LANGOPT(Bool , 1, 0, "bool, true, and false keywords")
>>> -LANGOPT(Half , 1, 0, "half keyword")
>>> -LANGOPT(WChar , 1, CPlusPlus, "wchar_t keyword")
>>> -LANGOPT(DeclSpecKeyword , 1, 0, "__declspec keyword")
>>> -BENIGN_LANGOPT(DollarIdents , 1, 1, "'$' in identifiers")
>>> -BENIGN_LANGOPT(AsmPreprocessor, 1, 0, "preprocessor in asm mode")
>>> -LANGOPT(GNUMode , 1, 1, "GNU extensions")
>>> -LANGOPT(GNUKeywords , 1, 1, "GNU keywords")
>>> -BENIGN_LANGOPT(ImplicitInt, 1, !C99 && !CPlusPlus, "C89 implicit 'int'")
>>> -LANGOPT(Digraphs , 1, 0, "digraphs")
>>> -BENIGN_LANGOPT(HexFloats , 1, C99, "C99 hexadecimal float constants")
>>> -LANGOPT(CXXOperatorNames , 1, 0, "C++ operator name keywords")
>>> -LANGOPT(AppleKext , 1, 0, "Apple kext support")
>>> -BENIGN_LANGOPT(PascalStrings, 1, 0, "Pascal string support")
>>> -LANGOPT(WritableStrings , 1, 0, "writable string support")
>>> -LANGOPT(ConstStrings , 1, 0, "const-qualified string support")
>>> -LANGOPT(LaxVectorConversions , 1, 1, "lax vector conversions")
>>> -LANGOPT(AltiVec , 1, 0, "AltiVec-style vector initializers")
>>> -LANGOPT(ZVector , 1, 0, "System z vector extensions")
>>> -LANGOPT(Exceptions , 1, 0, "exception handling")
>>> -LANGOPT(ObjCExceptions , 1, 0, "Objective-C exceptions")
>>> -LANGOPT(CXXExceptions , 1, 0, "C++ exceptions")
>>> -LANGOPT(DWARFExceptions , 1, 0, "dwarf exception handling")
>>> -LANGOPT(SjLjExceptions , 1, 0, "setjmp-longjump exception handling")
>>> -LANGOPT(SEHExceptions , 1, 0, "SEH .xdata exception handling")
>>> -LANGOPT(ExternCNoUnwind , 1, 0, "Assume extern C functions don't
>>> unwind")
>>> -LANGOPT(TraditionalCPP , 1, 0, "traditional CPP emulation")
>>> -LANGOPT(RTTI , 1, 1, "run-time type information")
>>> -LANGOPT(RTTIData , 1, 1, "emit run-time type information data")
>>> -LANGOPT(MSBitfields , 1, 0, "Microsoft-compatible structure
>>> layout")
>>> -LANGOPT(Freestanding, 1, 0, "freestanding implementation")
>>> -LANGOPT(NoBuiltin , 1, 0, "disable builtin functions")
>>> -LANGOPT(NoMathBuiltin , 1, 0, "disable math builtin functions")
>>> -LANGOPT(GNUAsm , 1, 1, "GNU-style inline assembly")
>>> -LANGOPT(CoroutinesTS , 1, 0, "C++ coroutines TS")
>>> -LANGOPT(RelaxedTemplateTemplateArgs, 1, 0, "C++17 relaxed matching of
>>> template template arguments")
>>> -
>>> -LANGOPT(DoubleSquareBracketAttributes, 1, 0, "'[[]]' attributes extension
>>> for all language standard modes")
>>> -
>>> -BENIGN_LANGOPT(ThreadsafeStatics , 1, 1, "thread-safe static
>>> initializers")
>>> -LANGOPT(POSIXThreads , 1, 0, "POSIX thread support")
>>> -LANGOPT(Blocks , 1, 0, "blocks extension to C")
>>> -BENIGN_LANGOPT(EmitAllDecls , 1, 0, "emitting all declarations")
>>> -LANGOPT(MathErrno , 1, 1, "errno in math functions")
>>> -BENIGN_LANGOPT(HeinousExtensions , 1, 0, "extensions that we really don't
>>> like and may be ripped out at any time")
>>> -LANGOPT(Modules , 1, 0, "modules extension to C")
>>> -COMPATIBLE_LANGOPT(ModulesTS , 1, 0, "C++ Modules TS")
>>> -BENIGN_ENUM_LANGOPT(CompilingModule, CompilingModuleKind, 2, CMK_None,
>>> - "compiling a module interface")
>>> -BENIGN_LANGOPT(CompilingPCH, 1, 0, "building a pch")
>>> -COMPATIBLE_LANGOPT(ModulesDeclUse , 1, 0, "require declaration of
>>> module uses")
>>> -BENIGN_LANGOPT(ModulesSearchAll , 1, 1, "searching even non-imported
>>> modules to find unresolved references")
>>> -COMPATIBLE_LANGOPT(ModulesStrictDeclUse, 1, 0, "requiring declaration of
>>> module uses and all headers to be in modules")
>>> -BENIGN_LANGOPT(ModulesErrorRecovery, 1, 1, "automatically importing
>>> modules as needed when performing error recovery")
>>> -BENIGN_LANGOPT(ImplicitModules, 1, 1, "building modules that are not
>>> specified via -fmodule-file")
>>> -COMPATIBLE_LANGOPT(ModulesLocalVisibility, 1, 0, "local submodule
>>> visibility")
>>> -COMPATIBLE_LANGOPT(Optimize , 1, 0, "__OPTIMIZE__ predefined
>>> macro")
>>> -COMPATIBLE_LANGOPT(OptimizeSize , 1, 0, "__OPTIMIZE_SIZE__
>>> predefined macro")
>>> -COMPATIBLE_LANGOPT(Static , 1, 0, "__STATIC__ predefined macro
>>> (as opposed to __DYNAMIC__)")
>>> -VALUE_LANGOPT(PackStruct , 32, 0,
>>> - "default struct packing maximum alignment")
>>> -VALUE_LANGOPT(MaxTypeAlign , 32, 0,
>>> - "default maximum alignment for types")
>>> -VALUE_LANGOPT(AlignDouble , 1, 0, "Controls if doubles should
>>> be aligned to 8 bytes (x86 only)")
>>> -COMPATIBLE_VALUE_LANGOPT(PICLevel , 2, 0, "__PIC__ level")
>>> -COMPATIBLE_VALUE_LANGOPT(PIE , 1, 0, "is pie")
>>> -COMPATIBLE_LANGOPT(GNUInline , 1, 0, "GNU inline semantics")
>>> -COMPATIBLE_LANGOPT(NoInlineDefine , 1, 0, "__NO_INLINE__ predefined
>>> macro")
>>> -COMPATIBLE_LANGOPT(Deprecated , 1, 0, "__DEPRECATED predefined
>>> macro")
>>> -COMPATIBLE_LANGOPT(FastMath , 1, 0, "fast FP math optimizations,
>>> and __FAST_MATH__ predefined macro")
>>> -COMPATIBLE_LANGOPT(FiniteMathOnly , 1, 0, "__FINITE_MATH_ONLY__
>>> predefined macro")
>>> -COMPATIBLE_LANGOPT(UnsafeFPMath , 1, 0, "Unsafe Floating Point
>>> Math")
>>> -
>>> -BENIGN_LANGOPT(ObjCGCBitmapPrint , 1, 0, "printing of GC's bitmap layout
>>> for __weak/__strong ivars")
>>> -
>>> -BENIGN_LANGOPT(AccessControl , 1, 1, "C++ access control")
>>> -LANGOPT(CharIsSigned , 1, 1, "signed char")
>>> -LANGOPT(WCharSize , 4, 0, "width of wchar_t")
>>> -LANGOPT(WCharIsSigned , 1, 0, "signed or unsigned wchar_t")
>>> -ENUM_LANGOPT(MSPointerToMemberRepresentationMethod,
>>> PragmaMSPointersToMembersKind, 2, PPTMK_BestCase, "member-pointer
>>> representation method")
>>> +//===--- LangOptions.def - Language option database -------------*- C++
>>> -*-===//
>>> +//
>>> +// The LLVM Compiler Infrastructure
>>> +//
>>> +// This file is distributed under the University of Illinois Open Source
>>> +// License. See LICENSE.TXT for details.
>>> +//
>>>
>>> +//===----------------------------------------------------------------------===//
>>> +//
>>> +// This file defines the language options. Users of this file must
>>> +// define the LANGOPT macro to make use of this information.
>>> +//
>>> +// Optionally, the user may also define:
>>> +//
>>> +// BENIGN_LANGOPT: for options that don't affect the construction of the
>>> AST in
>>> +// any way (that is, the value can be different between an implicit
>>> module
>>> +// and the user of that module).
>>> +//
>>> +// COMPATIBLE_LANGOPT: for options that affect the construction of the
>>> AST in
>>> +// a way that doesn't prevent interoperability (that is, the value
>>> can be
>>> +// different between an explicit module and the user of that module).
>>> +//
>>> +// ENUM_LANGOPT: for options that have enumeration, rather than unsigned,
>>> type.
>>> +//
>>> +// VALUE_LANGOPT: for options that describe a value rather than a flag.
>>> +//
>>> +// BENIGN_ENUM_LANGOPT, COMPATIBLE_ENUM_LANGOPT,
>>> +// BENIGN_VALUE_LANGOPT, COMPATIBLE_VALUE_LANGOPT: combinations of the
>>> above.
>>> +//
>>> +// FIXME: Clients should be able to more easily select whether they want
>>> +// different levels of compatibility versus how to handle different kinds
>>> +// of option.
>>> +//
>>> +// The Description field should be a noun phrase, for instance "frobbing
>>> all
>>> +// widgets" or "C's implicit blintz feature".
>>>
>>> +//===----------------------------------------------------------------------===//
>>> +
>>> +#ifndef LANGOPT
>>> +# error Define the LANGOPT macro to handle language options
>>> +#endif
>>> +
>>> +#ifndef COMPATIBLE_LANGOPT
>>> +# define COMPATIBLE_LANGOPT(Name, Bits, Default, Description) \
>>> + LANGOPT(Name, Bits, Default, Description)
>>> +#endif
>>> +
>>> +#ifndef BENIGN_LANGOPT
>>> +# define BENIGN_LANGOPT(Name, Bits, Default, Description) \
>>> + COMPATIBLE_LANGOPT(Name, Bits, Default, Description)
>>> +#endif
>>> +
>>> +#ifndef ENUM_LANGOPT
>>> +# define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
>>> + LANGOPT(Name, Bits, Default, Description)
>>> +#endif
>>> +
>>> +#ifndef COMPATIBLE_ENUM_LANGOPT
>>> +# define COMPATIBLE_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
>>> \
>>> + ENUM_LANGOPT(Name, Type, Bits, Default, Description)
>>> +#endif
>>> +
>>> +#ifndef BENIGN_ENUM_LANGOPT
>>> +# define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
>>> + COMPATIBLE_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
>>> +#endif
>>> +
>>> +#ifndef VALUE_LANGOPT
>>> +# define VALUE_LANGOPT(Name, Bits, Default, Description) \
>>> + LANGOPT(Name, Bits, Default, Description)
>>> +#endif
>>> +
>>> +#ifndef COMPATIBLE_VALUE_LANGOPT
>>> +# define COMPATIBLE_VALUE_LANGOPT(Name, Bits, Default, Description) \
>>> + VALUE_LANGOPT(Name, Bits, Default, Description)
>>> +#endif
>>> +
>>> +#ifndef BENIGN_VALUE_LANGOPT
>>> +# define BENIGN_VALUE_LANGOPT(Name, Bits, Default, Description) \
>>> + COMPATIBLE_VALUE_LANGOPT(Name, Bits, Default, Description)
>>> +#endif
>>> +
>>> +// FIXME: A lot of the BENIGN_ options should be COMPATIBLE_ instead.
>>> +LANGOPT(C99 , 1, 0, "C99")
>>> +LANGOPT(C11 , 1, 0, "C11")
>>> +LANGOPT(C17 , 1, 0, "C17")
>>> +LANGOPT(MSVCCompat , 1, 0, "Microsoft Visual C++ full
>>> compatibility mode")
>>> +LANGOPT(MicrosoftExt , 1, 0, "Microsoft C++ extensions")
>>> +LANGOPT(AsmBlocks , 1, 0, "Microsoft inline asm blocks")
>>> +LANGOPT(Borland , 1, 0, "Borland extensions")
>>> +LANGOPT(CPlusPlus , 1, 0, "C++")
>>> +LANGOPT(CPlusPlus11 , 1, 0, "C++11")
>>> +LANGOPT(CPlusPlus14 , 1, 0, "C++14")
>>> +LANGOPT(CPlusPlus17 , 1, 0, "C++17")
>>> +LANGOPT(CPlusPlus2a , 1, 0, "C++2a")
>>> +LANGOPT(ObjC1 , 1, 0, "Objective-C 1")
>>> +LANGOPT(ObjC2 , 1, 0, "Objective-C 2")
>>> +BENIGN_LANGOPT(ObjCDefaultSynthProperties , 1, 0,
>>> + "Objective-C auto-synthesized properties")
>>> +BENIGN_LANGOPT(EncodeExtendedBlockSig , 1, 0,
>>> + "Encoding extended block type signature")
>>> +BENIGN_LANGOPT(ObjCInferRelatedResultType , 1, 1,
>>> + "Objective-C related result type inference")
>>> +LANGOPT(AppExt , 1, 0, "Objective-C App Extension")
>>> +LANGOPT(Trigraphs , 1, 0,"trigraphs")
>>> +LANGOPT(LineComment , 1, 0, "'//' comments")
>>> +LANGOPT(Bool , 1, 0, "bool, true, and false keywords")
>>> +LANGOPT(Half , 1, 0, "half keyword")
>>> +LANGOPT(WChar , 1, CPlusPlus, "wchar_t keyword")
>>> +LANGOPT(DeclSpecKeyword , 1, 0, "__declspec keyword")
>>> +BENIGN_LANGOPT(DollarIdents , 1, 1, "'$' in identifiers")
>>> +BENIGN_LANGOPT(AsmPreprocessor, 1, 0, "preprocessor in asm mode")
>>> +LANGOPT(GNUMode , 1, 1, "GNU extensions")
>>> +LANGOPT(GNUKeywords , 1, 1, "GNU keywords")
>>> +BENIGN_LANGOPT(ImplicitInt, 1, !C99 && !CPlusPlus, "C89 implicit 'int'")
>>> +LANGOPT(Digraphs , 1, 0, "digraphs")
>>> +BENIGN_LANGOPT(HexFloats , 1, C99, "C99 hexadecimal float constants")
>>> +LANGOPT(CXXOperatorNames , 1, 0, "C++ operator name keywords")
>>> +LANGOPT(AppleKext , 1, 0, "Apple kext support")
>>> +BENIGN_LANGOPT(PascalStrings, 1, 0, "Pascal string support")
>>> +LANGOPT(WritableStrings , 1, 0, "writable string support")
>>> +LANGOPT(ConstStrings , 1, 0, "const-qualified string support")
>>> +LANGOPT(LaxVectorConversions , 1, 1, "lax vector conversions")
>>> +LANGOPT(AltiVec , 1, 0, "AltiVec-style vector initializers")
>>> +LANGOPT(ZVector , 1, 0, "System z vector extensions")
>>> +LANGOPT(Exceptions , 1, 0, "exception handling")
>>> +LANGOPT(ObjCExceptions , 1, 0, "Objective-C exceptions")
>>> +LANGOPT(CXXExceptions , 1, 0, "C++ exceptions")
>>> +LANGOPT(DWARFExceptions , 1, 0, "dwarf exception handling")
>>> +LANGOPT(SjLjExceptions , 1, 0, "setjmp-longjump exception handling")
>>> +LANGOPT(SEHExceptions , 1, 0, "SEH .xdata exception handling")
>>> +LANGOPT(ExternCNoUnwind , 1, 0, "Assume extern C functions don't
>>> unwind")
>>> +LANGOPT(TraditionalCPP , 1, 0, "traditional CPP emulation")
>>> +LANGOPT(RTTI , 1, 1, "run-time type information")
>>> +LANGOPT(RTTIData , 1, 1, "emit run-time type information data")
>>> +LANGOPT(MSBitfields , 1, 0, "Microsoft-compatible structure
>>> layout")
>>> +LANGOPT(Freestanding, 1, 0, "freestanding implementation")
>>> +LANGOPT(NoBuiltin , 1, 0, "disable builtin functions")
>>> +LANGOPT(NoMathBuiltin , 1, 0, "disable math builtin functions")
>>> +LANGOPT(GNUAsm , 1, 1, "GNU-style inline assembly")
>>> +LANGOPT(CoroutinesTS , 1, 0, "C++ coroutines TS")
>>> +LANGOPT(RelaxedTemplateTemplateArgs, 1, 0, "C++17 relaxed matching of
>>> template template arguments")
>>> +
>>> +LANGOPT(DoubleSquareBracketAttributes, 1, 0, "'[[]]' attributes extension
>>> for all language standard modes")
>>> +
>>> +BENIGN_LANGOPT(ThreadsafeStatics , 1, 1, "thread-safe static
>>> initializers")
>>> +LANGOPT(POSIXThreads , 1, 0, "POSIX thread support")
>>> +LANGOPT(Blocks , 1, 0, "blocks extension to C")
>>> +BENIGN_LANGOPT(EmitAllDecls , 1, 0, "emitting all declarations")
>>> +LANGOPT(MathErrno , 1, 1, "errno in math functions")
>>> +BENIGN_LANGOPT(HeinousExtensions , 1, 0, "extensions that we really don't
>>> like and may be ripped out at any time")
>>> +LANGOPT(Modules , 1, 0, "modules extension to C")
>>> +COMPATIBLE_LANGOPT(ModulesTS , 1, 0, "C++ Modules TS")
>>> +BENIGN_ENUM_LANGOPT(CompilingModule, CompilingModuleKind, 2, CMK_None,
>>> + "compiling a module interface")
>>> +BENIGN_LANGOPT(CompilingPCH, 1, 0, "building a pch")
>>> +COMPATIBLE_LANGOPT(ModulesDeclUse , 1, 0, "require declaration of
>>> module uses")
>>> +BENIGN_LANGOPT(ModulesSearchAll , 1, 1, "searching even non-imported
>>> modules to find unresolved references")
>>> +COMPATIBLE_LANGOPT(ModulesStrictDeclUse, 1, 0, "requiring declaration of
>>> module uses and all headers to be in modules")
>>> +BENIGN_LANGOPT(ModulesErrorRecovery, 1, 1, "automatically importing
>>> modules as needed when performing error recovery")
>>> +BENIGN_LANGOPT(ImplicitModules, 1, 1, "building modules that are not
>>> specified via -fmodule-file")
>>> +COMPATIBLE_LANGOPT(ModulesLocalVisibility, 1, 0, "local submodule
>>> visibility")
>>> +COMPATIBLE_LANGOPT(Optimize , 1, 0, "__OPTIMIZE__ predefined
>>> macro")
>>> +COMPATIBLE_LANGOPT(OptimizeSize , 1, 0, "__OPTIMIZE_SIZE__
>>> predefined macro")
>>> +COMPATIBLE_LANGOPT(Static , 1, 0, "__STATIC__ predefined macro
>>> (as opposed to __DYNAMIC__)")
>>> +VALUE_LANGOPT(PackStruct , 32, 0,
>>> + "default struct packing maximum alignment")
>>> +VALUE_LANGOPT(MaxTypeAlign , 32, 0,
>>> + "default maximum alignment for types")
>>> +VALUE_LANGOPT(AlignDouble , 1, 0, "Controls if doubles should
>>> be aligned to 8 bytes (x86 only)")
>>> +COMPATIBLE_VALUE_LANGOPT(PICLevel , 2, 0, "__PIC__ level")
>>> +COMPATIBLE_VALUE_LANGOPT(PIE , 1, 0, "is pie")
>>> +COMPATIBLE_LANGOPT(GNUInline , 1, 0, "GNU inline semantics")
>>> +COMPATIBLE_LANGOPT(NoInlineDefine , 1, 0, "__NO_INLINE__ predefined
>>> macro")
>>> +COMPATIBLE_LANGOPT(Deprecated , 1, 0, "__DEPRECATED predefined
>>> macro")
>>> +COMPATIBLE_LANGOPT(FastMath , 1, 0, "fast FP math optimizations,
>>> and __FAST_MATH__ predefined macro")
>>> +COMPATIBLE_LANGOPT(FiniteMathOnly , 1, 0, "__FINITE_MATH_ONLY__
>>> predefined macro")
>>> +COMPATIBLE_LANGOPT(UnsafeFPMath , 1, 0, "Unsafe Floating Point
>>> Math")
>>> +
>>> +BENIGN_LANGOPT(ObjCGCBitmapPrint , 1, 0, "printing of GC's bitmap layout
>>> for __weak/__strong ivars")
>>> +
>>> +BENIGN_LANGOPT(AccessControl , 1, 1, "C++ access control")
>>> +LANGOPT(CharIsSigned , 1, 1, "signed char")
>>> +LANGOPT(WCharSize , 4, 0, "width of wchar_t")
>>> +LANGOPT(WCharIsSigned , 1, 0, "signed or unsigned wchar_t")
>>> +ENUM_LANGOPT(MSPointerToMemberRepresentationMethod,
>>> PragmaMSPointersToMembersKind, 2, PPTMK_BestCase, "member-pointer
>>> representation method")
>>> ENUM_LANGOPT(DefaultCallingConv, DefaultCallingConvention, 3, DCC_None,
>>> "default calling convention")
>>>
>>> LANGOPT(ShortEnums , 1, 0, "short enum types")
>>>
>>> Modified: cfe/trunk/include/clang/Frontend/LangStandard.h
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/LangStandard.h?rev=320089&r1=320088&r2=320089&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/include/clang/Frontend/LangStandard.h (original)
>>> +++ cfe/trunk/include/clang/Frontend/LangStandard.h Thu Dec 7 13:46:26
>>> 2017
>>> @@ -1,110 +1,114 @@
>>> -//===--- LangStandard.h -----------------------------------------*- C++
>>> -*-===//
>>> -//
>>> -// The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#ifndef LLVM_CLANG_FRONTEND_LANGSTANDARD_H
>>> -#define LLVM_CLANG_FRONTEND_LANGSTANDARD_H
>>> -
>>> -#include "clang/Basic/LLVM.h"
>>> -#include "clang/Frontend/FrontendOptions.h"
>>> -#include "llvm/ADT/StringRef.h"
>>> -
>>> -namespace clang {
>>> -
>>> -namespace frontend {
>>> -
>>> -enum LangFeatures {
>>> - LineComment = (1 << 0),
>>> - C99 = (1 << 1),
>>> - C11 = (1 << 2),
>>> - CPlusPlus = (1 << 3),
>>> - CPlusPlus11 = (1 << 4),
>>> - CPlusPlus14 = (1 << 5),
>>> - CPlusPlus17 = (1 << 6),
>>> - CPlusPlus2a = (1 << 7),
>>> - Digraphs = (1 << 8),
>>> - GNUMode = (1 << 9),
>>> - HexFloat = (1 << 10),
>>> - ImplicitInt = (1 << 11),
>>> - OpenCL = (1 << 12)
>>> -};
>>> -
>>> -}
>>> -
>>> -/// LangStandard - Information about the properties of a particular
>>> language
>>> -/// standard.
>>> -struct LangStandard {
>>> - enum Kind {
>>> -#define LANGSTANDARD(id, name, lang, desc, features) \
>>> - lang_##id,
>>> -#include "clang/Frontend/LangStandards.def"
>>> - lang_unspecified
>>> - };
>>> -
>>> - const char *ShortName;
>>> - const char *Description;
>>> - unsigned Flags;
>>> - InputKind::Language Language;
>>> -
>>> -public:
>>> - /// getName - Get the name of this standard.
>>> - const char *getName() const { return ShortName; }
>>> -
>>> - /// getDescription - Get the description of this standard.
>>> - const char *getDescription() const { return Description; }
>>> -
>>> - /// Get the language that this standard describes.
>>> - InputKind::Language getLanguage() const { return Language; }
>>> -
>>> - /// Language supports '//' comments.
>>> - bool hasLineComments() const { return Flags & frontend::LineComment; }
>>> -
>>> - /// isC99 - Language is a superset of C99.
>>> - bool isC99() const { return Flags & frontend::C99; }
>>> -
>>> - /// isC11 - Language is a superset of C11.
>>> - bool isC11() const { return Flags & frontend::C11; }
>>> -
>>> - /// isCPlusPlus - Language is a C++ variant.
>>> - bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; }
>>> -
>>> - /// isCPlusPlus11 - Language is a C++11 variant (or later).
>>> - bool isCPlusPlus11() const { return Flags & frontend::CPlusPlus11; }
>>> -
>>> - /// isCPlusPlus14 - Language is a C++14 variant (or later).
>>> - bool isCPlusPlus14() const { return Flags & frontend::CPlusPlus14; }
>>> -
>>> - /// isCPlusPlus17 - Language is a C++17 variant (or later).
>>> - bool isCPlusPlus17() const { return Flags & frontend::CPlusPlus17; }
>>> -
>>> - /// isCPlusPlus2a - Language is a post-C++17 variant (or later).
>>> - bool isCPlusPlus2a() const { return Flags & frontend::CPlusPlus2a; }
>>> -
>>> -
>>> - /// hasDigraphs - Language supports digraphs.
>>> - bool hasDigraphs() const { return Flags & frontend::Digraphs; }
>>> -
>>> - /// isGNUMode - Language includes GNU extensions.
>>> - bool isGNUMode() const { return Flags & frontend::GNUMode; }
>>> -
>>> - /// hasHexFloats - Language supports hexadecimal float constants.
>>> - bool hasHexFloats() const { return Flags & frontend::HexFloat; }
>>> -
>>> - /// hasImplicitInt - Language allows variables to be typed as int
>>> implicitly.
>>> - bool hasImplicitInt() const { return Flags & frontend::ImplicitInt; }
>>> -
>>> - /// isOpenCL - Language is a OpenCL variant.
>>> - bool isOpenCL() const { return Flags & frontend::OpenCL; }
>>> -
>>> - static const LangStandard &getLangStandardForKind(Kind K);
>>> - static const LangStandard *getLangStandardForName(StringRef Name);
>>> -};
>>> -
>>> -} // end namespace clang
>>> -
>>> -#endif
>>> +//===--- LangStandard.h -----------------------------------------*- C++
>>> -*-===//
>>> +//
>>> +// The LLVM Compiler Infrastructure
>>> +//
>>> +// This file is distributed under the University of Illinois Open Source
>>> +// License. See LICENSE.TXT for details.
>>> +//
>>>
>>> +//===----------------------------------------------------------------------===//
>>> +
>>> +#ifndef LLVM_CLANG_FRONTEND_LANGSTANDARD_H
>>> +#define LLVM_CLANG_FRONTEND_LANGSTANDARD_H
>>> +
>>> +#include "clang/Basic/LLVM.h"
>>> +#include "clang/Frontend/FrontendOptions.h"
>>> +#include "llvm/ADT/StringRef.h"
>>> +
>>> +namespace clang {
>>> +
>>> +namespace frontend {
>>> +
>>> +enum LangFeatures {
>>> + LineComment = (1 << 0),
>>> + C99 = (1 << 1),
>>> + C11 = (1 << 2),
>>> + C17 = (1 << 3),
>>> + CPlusPlus = (1 << 4),
>>> + CPlusPlus11 = (1 << 5),
>>> + CPlusPlus14 = (1 << 6),
>>> + CPlusPlus17 = (1 << 7),
>>> + CPlusPlus2a = (1 << 8),
>>> + Digraphs = (1 << 9),
>>> + GNUMode = (1 << 10),
>>> + HexFloat = (1 << 11),
>>> + ImplicitInt = (1 << 12),
>>> + OpenCL = (1 << 13)
>>> +};
>>> +
>>> +}
>>> +
>>> +/// LangStandard - Information about the properties of a particular
>>> language
>>> +/// standard.
>>> +struct LangStandard {
>>> + enum Kind {
>>> +#define LANGSTANDARD(id, name, lang, desc, features) \
>>> + lang_##id,
>>> +#include "clang/Frontend/LangStandards.def"
>>> + lang_unspecified
>>> + };
>>> +
>>> + const char *ShortName;
>>> + const char *Description;
>>> + unsigned Flags;
>>> + InputKind::Language Language;
>>> +
>>> +public:
>>> + /// getName - Get the name of this standard.
>>> + const char *getName() const { return ShortName; }
>>> +
>>> + /// getDescription - Get the description of this standard.
>>> + const char *getDescription() const { return Description; }
>>> +
>>> + /// Get the language that this standard describes.
>>> + InputKind::Language getLanguage() const { return Language; }
>>> +
>>> + /// Language supports '//' comments.
>>> + bool hasLineComments() const { return Flags & frontend::LineComment; }
>>> +
>>> + /// isC99 - Language is a superset of C99.
>>> + bool isC99() const { return Flags & frontend::C99; }
>>> +
>>> + /// isC11 - Language is a superset of C11.
>>> + bool isC11() const { return Flags & frontend::C11; }
>>> +
>>> + /// isC17 - Language is a superset of C17.
>>> + bool isC17() const { return Flags & frontend::C17; }
>>> +
>>> + /// isCPlusPlus - Language is a C++ variant.
>>> + bool isCPlusPlus() const { return Flags & frontend::CPlusPlus; }
>>> +
>>> + /// isCPlusPlus11 - Language is a C++11 variant (or later).
>>> + bool isCPlusPlus11() const { return Flags & frontend::CPlusPlus11; }
>>> +
>>> + /// isCPlusPlus14 - Language is a C++14 variant (or later).
>>> + bool isCPlusPlus14() const { return Flags & frontend::CPlusPlus14; }
>>> +
>>> + /// isCPlusPlus17 - Language is a C++17 variant (or later).
>>> + bool isCPlusPlus17() const { return Flags & frontend::CPlusPlus17; }
>>> +
>>> + /// isCPlusPlus2a - Language is a post-C++17 variant (or later).
>>> + bool isCPlusPlus2a() const { return Flags & frontend::CPlusPlus2a; }
>>> +
>>> +
>>> + /// hasDigraphs - Language supports digraphs.
>>> + bool hasDigraphs() const { return Flags & frontend::Digraphs; }
>>> +
>>> + /// isGNUMode - Language includes GNU extensions.
>>> + bool isGNUMode() const { return Flags & frontend::GNUMode; }
>>> +
>>> + /// hasHexFloats - Language supports hexadecimal float constants.
>>> + bool hasHexFloats() const { return Flags & frontend::HexFloat; }
>>> +
>>> + /// hasImplicitInt - Language allows variables to be typed as int
>>> implicitly.
>>> + bool hasImplicitInt() const { return Flags & frontend::ImplicitInt; }
>>> +
>>> + /// isOpenCL - Language is a OpenCL variant.
>>> + bool isOpenCL() const { return Flags & frontend::OpenCL; }
>>> +
>>> + static const LangStandard &getLangStandardForKind(Kind K);
>>> + static const LangStandard *getLangStandardForName(StringRef Name);
>>> +};
>>> +
>>> +} // end namespace clang
>>> +
>>> +#endif
>>>
>>> Modified: cfe/trunk/include/clang/Frontend/LangStandards.def
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/LangStandards.def?rev=320089&r1=320088&r2=320089&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/include/clang/Frontend/LangStandards.def (original)
>>> +++ cfe/trunk/include/clang/Frontend/LangStandards.def Thu Dec 7 13:46:26
>>> 2017
>>> @@ -1,161 +1,170 @@
>>> -//===-- LangStandards.def - Language Standard Data --------------*- C++
>>> -*-===//
>>> -//
>>> -// The LLVM Compiler Infrastructure
>>> -//
>>> -// This file is distributed under the University of Illinois Open Source
>>> -// License. See LICENSE.TXT for details.
>>> -//
>>>
>>> -//===----------------------------------------------------------------------===//
>>> -
>>> -#ifndef LANGSTANDARD
>>> -#error "LANGSTANDARD must be defined before including this file"
>>> -#endif
>>> -
>>> -/// LANGSTANDARD(IDENT, NAME, LANG, DESC, FEATURES)
>>> -///
>>> -/// \param IDENT - The name of the standard as a C++ identifier.
>>> -/// \param NAME - The name of the standard.
>>> -/// \param LANG - The InputKind::Language for which this is a standard.
>>> -/// \param DESC - A short description of the standard.
>>> -/// \param FEATURES - The standard features as flags, these are enums
>>> from the
>>> -/// clang::frontend namespace, which is assumed to be be available.
>>> -
>>> -/// LANGSTANDARD_ALIAS(IDENT, ALIAS)
>>> -/// \param IDENT - The name of the standard as a C++ identifier.
>>> -/// \param ALIAS - The alias of the standard.
>>> -
>>> -/// LANGSTANDARD_ALIAS_DEPR(IDENT, ALIAS)
>>> -/// Same as LANGSTANDARD_ALIAS, but for a deprecated alias.
>>> -
>>> -#ifndef LANGSTANDARD_ALIAS
>>> -#define LANGSTANDARD_ALIAS(IDENT, ALIAS)
>>> -#endif
>>> -
>>> -#ifndef LANGSTANDARD_ALIAS_DEPR
>>> -#define LANGSTANDARD_ALIAS_DEPR(IDENT, ALIAS) LANGSTANDARD_ALIAS(IDENT,
>>> ALIAS)
>>> -#endif
>>> -
>>> -// C89-ish modes.
>>> -LANGSTANDARD(c89, "c89",
>>> - C, "ISO C 1990",
>>> - ImplicitInt)
>>> -LANGSTANDARD_ALIAS(c89, "c90")
>>> -LANGSTANDARD_ALIAS(c89, "iso9899:1990")
>>> -
>>> -LANGSTANDARD(c94, "iso9899:199409",
>>> - C, "ISO C 1990 with amendment 1",
>>> - Digraphs | ImplicitInt)
>>> -
>>> -LANGSTANDARD(gnu89, "gnu89",
>>> - C, "ISO C 1990 with GNU extensions",
>>> - LineComment | Digraphs | GNUMode | ImplicitInt)
>>> -LANGSTANDARD_ALIAS(gnu89, "gnu90")
>>> -
>>> -// C99-ish modes
>>> -LANGSTANDARD(c99, "c99",
>>> - C, "ISO C 1999",
>>> - LineComment | C99 | Digraphs | HexFloat)
>>> -LANGSTANDARD_ALIAS(c99, "iso9899:1999")
>>> -LANGSTANDARD_ALIAS_DEPR(c99, "c9x")
>>> -LANGSTANDARD_ALIAS_DEPR(c99, "iso9899:199x")
>>> -
>>> -LANGSTANDARD(gnu99, "gnu99",
>>> - C, "ISO C 1999 with GNU extensions",
>>> - LineComment | C99 | Digraphs | GNUMode | HexFloat)
>>> -LANGSTANDARD_ALIAS_DEPR(gnu99, "gnu9x")
>>> -
>>> -// C11 modes
>>> -LANGSTANDARD(c11, "c11",
>>> - C, "ISO C 2011",
>>> - LineComment | C99 | C11 | Digraphs | HexFloat)
>>> -LANGSTANDARD_ALIAS(c11, "iso9899:2011")
>>> -LANGSTANDARD_ALIAS_DEPR(c11, "c1x")
>>> -LANGSTANDARD_ALIAS_DEPR(c11, "iso9899:201x")
>>> -
>>> -LANGSTANDARD(gnu11, "gnu11",
>>> - C, "ISO C 2011 with GNU extensions",
>>> - LineComment | C99 | C11 | Digraphs | GNUMode | HexFloat)
>>> -LANGSTANDARD_ALIAS_DEPR(gnu11, "gnu1x")
>>> -
>>> -// C++ modes
>>> -LANGSTANDARD(cxx98, "c++98",
>>> - CXX, "ISO C++ 1998 with amendments",
>>> - LineComment | CPlusPlus | Digraphs)
>>> -LANGSTANDARD_ALIAS(cxx98, "c++03")
>>> -
>>> -LANGSTANDARD(gnucxx98, "gnu++98",
>>> - CXX, "ISO C++ 1998 with amendments and GNU extensions",
>>> - LineComment | CPlusPlus | Digraphs | GNUMode)
>>> -LANGSTANDARD_ALIAS(gnucxx98, "gnu++03")
>>> -
>>> -LANGSTANDARD(cxx11, "c++11",
>>> - CXX, "ISO C++ 2011 with amendments",
>>> - LineComment | CPlusPlus | CPlusPlus11 | Digraphs)
>>> -LANGSTANDARD_ALIAS_DEPR(cxx11, "c++0x")
>>> -
>>> -LANGSTANDARD(gnucxx11, "gnu++11", CXX,
>>> - "ISO C++ 2011 with amendments and GNU extensions",
>>> - LineComment | CPlusPlus | CPlusPlus11 | Digraphs | GNUMode)
>>> -LANGSTANDARD_ALIAS_DEPR(gnucxx11, "gnu++0x")
>>> -
>>> -LANGSTANDARD(cxx14, "c++14",
>>> - CXX, "ISO C++ 2014 with amendments",
>>> - LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> Digraphs)
>>> -LANGSTANDARD_ALIAS_DEPR(cxx14, "c++1y")
>>> -
>>> -LANGSTANDARD(gnucxx14, "gnu++14",
>>> - CXX, "ISO C++ 2014 with amendments and GNU extensions",
>>> - LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> Digraphs |
>>> - GNUMode)
>>> -LANGSTANDARD_ALIAS_DEPR(gnucxx14, "gnu++1y")
>>> -
>>> -LANGSTANDARD(cxx17, "c++17",
>>> - CXX, "ISO C++ 2017 with amendments",
>>> - LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> CPlusPlus17 |
>>> - Digraphs | HexFloat)
>>> -LANGSTANDARD_ALIAS_DEPR(cxx17, "c++1z")
>>> -
>>> -LANGSTANDARD(gnucxx17, "gnu++17",
>>> - CXX, "ISO C++ 2017 with amendments and GNU extensions",
>>> - LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> CPlusPlus17 |
>>> - Digraphs | HexFloat | GNUMode)
>>> -LANGSTANDARD_ALIAS_DEPR(gnucxx17, "gnu++1z")
>>> -
>>> -LANGSTANDARD(cxx2a, "c++2a",
>>> - CXX, "Working draft for ISO C++ 2020",
>>> - LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> CPlusPlus17 |
>>> - CPlusPlus2a | Digraphs | HexFloat)
>>> -
>>> -LANGSTANDARD(gnucxx2a, "gnu++2a",
>>> - CXX, "Working draft for ISO C++ 2020 with GNU extensions",
>>> - LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> CPlusPlus17 |
>>> - CPlusPlus2a | Digraphs | HexFloat | GNUMode)
>>> -
>>> -// OpenCL
>>> -LANGSTANDARD(opencl10, "cl1.0",
>>> - OpenCL, "OpenCL 1.0",
>>> - LineComment | C99 | Digraphs | HexFloat | OpenCL)
>>> -LANGSTANDARD_ALIAS_DEPR(opencl10, "cl")
>>> -
>>> -LANGSTANDARD(opencl11, "cl1.1",
>>> - OpenCL, "OpenCL 1.1",
>>> - LineComment | C99 | Digraphs | HexFloat | OpenCL)
>>> -LANGSTANDARD(opencl12, "cl1.2",
>>> - OpenCL, "OpenCL 1.2",
>>> - LineComment | C99 | Digraphs | HexFloat | OpenCL)
>>> -LANGSTANDARD(opencl20, "cl2.0",
>>> - OpenCL, "OpenCL 2.0",
>>> - LineComment | C99 | Digraphs | HexFloat | OpenCL)
>>> -
>>> -LANGSTANDARD_ALIAS_DEPR(opencl10, "CL")
>>> -LANGSTANDARD_ALIAS_DEPR(opencl11, "CL1.1")
>>> -LANGSTANDARD_ALIAS_DEPR(opencl12, "CL1.2")
>>> -LANGSTANDARD_ALIAS_DEPR(opencl20, "CL2.0")
>>> -
>>> -// CUDA
>>> -LANGSTANDARD(cuda, "cuda", CUDA, "NVIDIA CUDA(tm)",
>>> - LineComment | CPlusPlus | Digraphs)
>>> -
>>> -#undef LANGSTANDARD
>>> -#undef LANGSTANDARD_ALIAS
>>> -#undef LANGSTANDARD_ALIAS_DEPR
>>> +//===-- LangStandards.def - Language Standard Data --------------*- C++
>>> -*-===//
>>> +//
>>> +// The LLVM Compiler Infrastructure
>>> +//
>>> +// This file is distributed under the University of Illinois Open Source
>>> +// License. See LICENSE.TXT for details.
>>> +//
>>>
>>> +//===----------------------------------------------------------------------===//
>>> +
>>> +#ifndef LANGSTANDARD
>>> +#error "LANGSTANDARD must be defined before including this file"
>>> +#endif
>>> +
>>> +/// LANGSTANDARD(IDENT, NAME, LANG, DESC, FEATURES)
>>> +///
>>> +/// \param IDENT - The name of the standard as a C++ identifier.
>>> +/// \param NAME - The name of the standard.
>>> +/// \param LANG - The InputKind::Language for which this is a standard.
>>> +/// \param DESC - A short description of the standard.
>>> +/// \param FEATURES - The standard features as flags, these are enums
>>> from the
>>> +/// clang::frontend namespace, which is assumed to be be available.
>>> +
>>> +/// LANGSTANDARD_ALIAS(IDENT, ALIAS)
>>> +/// \param IDENT - The name of the standard as a C++ identifier.
>>> +/// \param ALIAS - The alias of the standard.
>>> +
>>> +/// LANGSTANDARD_ALIAS_DEPR(IDENT, ALIAS)
>>> +/// Same as LANGSTANDARD_ALIAS, but for a deprecated alias.
>>> +
>>> +#ifndef LANGSTANDARD_ALIAS
>>> +#define LANGSTANDARD_ALIAS(IDENT, ALIAS)
>>> +#endif
>>> +
>>> +#ifndef LANGSTANDARD_ALIAS_DEPR
>>> +#define LANGSTANDARD_ALIAS_DEPR(IDENT, ALIAS) LANGSTANDARD_ALIAS(IDENT,
>>> ALIAS)
>>> +#endif
>>> +
>>> +// C89-ish modes.
>>> +LANGSTANDARD(c89, "c89",
>>> + C, "ISO C 1990",
>>> + ImplicitInt)
>>> +LANGSTANDARD_ALIAS(c89, "c90")
>>> +LANGSTANDARD_ALIAS(c89, "iso9899:1990")
>>> +
>>> +LANGSTANDARD(c94, "iso9899:199409",
>>> + C, "ISO C 1990 with amendment 1",
>>> + Digraphs | ImplicitInt)
>>> +
>>> +LANGSTANDARD(gnu89, "gnu89",
>>> + C, "ISO C 1990 with GNU extensions",
>>> + LineComment | Digraphs | GNUMode | ImplicitInt)
>>> +LANGSTANDARD_ALIAS(gnu89, "gnu90")
>>> +
>>> +// C99-ish modes
>>> +LANGSTANDARD(c99, "c99",
>>> + C, "ISO C 1999",
>>> + LineComment | C99 | Digraphs | HexFloat)
>>> +LANGSTANDARD_ALIAS(c99, "iso9899:1999")
>>> +LANGSTANDARD_ALIAS_DEPR(c99, "c9x")
>>> +LANGSTANDARD_ALIAS_DEPR(c99, "iso9899:199x")
>>> +
>>> +LANGSTANDARD(gnu99, "gnu99",
>>> + C, "ISO C 1999 with GNU extensions",
>>> + LineComment | C99 | Digraphs | GNUMode | HexFloat)
>>> +LANGSTANDARD_ALIAS_DEPR(gnu99, "gnu9x")
>>> +
>>> +// C11 modes
>>> +LANGSTANDARD(c11, "c11",
>>> + C, "ISO C 2011",
>>> + LineComment | C99 | C11 | Digraphs | HexFloat)
>>> +LANGSTANDARD_ALIAS(c11, "iso9899:2011")
>>> +LANGSTANDARD_ALIAS_DEPR(c11, "c1x")
>>> +LANGSTANDARD_ALIAS_DEPR(c11, "iso9899:201x")
>>> +
>>> +LANGSTANDARD(gnu11, "gnu11",
>>> + C, "ISO C 2011 with GNU extensions",
>>> + LineComment | C99 | C11 | Digraphs | GNUMode | HexFloat)
>>> +LANGSTANDARD_ALIAS_DEPR(gnu11, "gnu1x")
>>> +
>>> +// C17 modes
>>> +LANGSTANDARD(c17, "c17",
>>> + C, "ISO C 2017",
>>> + LineComment | C99 | C11 | C17 | Digraphs | HexFloat)
>>> +LANGSTANDARD_ALIAS(c17, "iso9899:2017")
>>> +LANGSTANDARD(gnu17, "gnu17",
>>> + C, "ISO C 2017 with GNU extensions",
>>> + LineComment | C99 | C11 | C17 | Digraphs | GNUMode |
>>> HexFloat)
>>> +
>>> +// C++ modes
>>> +LANGSTANDARD(cxx98, "c++98",
>>> + CXX, "ISO C++ 1998 with amendments",
>>> + LineComment | CPlusPlus | Digraphs)
>>> +LANGSTANDARD_ALIAS(cxx98, "c++03")
>>> +
>>> +LANGSTANDARD(gnucxx98, "gnu++98",
>>> + CXX, "ISO C++ 1998 with amendments and GNU extensions",
>>> + LineComment | CPlusPlus | Digraphs | GNUMode)
>>> +LANGSTANDARD_ALIAS(gnucxx98, "gnu++03")
>>> +
>>> +LANGSTANDARD(cxx11, "c++11",
>>> + CXX, "ISO C++ 2011 with amendments",
>>> + LineComment | CPlusPlus | CPlusPlus11 | Digraphs)
>>> +LANGSTANDARD_ALIAS_DEPR(cxx11, "c++0x")
>>> +
>>> +LANGSTANDARD(gnucxx11, "gnu++11", CXX,
>>> + "ISO C++ 2011 with amendments and GNU extensions",
>>> + LineComment | CPlusPlus | CPlusPlus11 | Digraphs | GNUMode)
>>> +LANGSTANDARD_ALIAS_DEPR(gnucxx11, "gnu++0x")
>>> +
>>> +LANGSTANDARD(cxx14, "c++14",
>>> + CXX, "ISO C++ 2014 with amendments",
>>> + LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> Digraphs)
>>> +LANGSTANDARD_ALIAS_DEPR(cxx14, "c++1y")
>>> +
>>> +LANGSTANDARD(gnucxx14, "gnu++14",
>>> + CXX, "ISO C++ 2014 with amendments and GNU extensions",
>>> + LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> Digraphs |
>>> + GNUMode)
>>> +LANGSTANDARD_ALIAS_DEPR(gnucxx14, "gnu++1y")
>>> +
>>> +LANGSTANDARD(cxx17, "c++17",
>>> + CXX, "ISO C++ 2017 with amendments",
>>> + LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> CPlusPlus17 |
>>> + Digraphs | HexFloat)
>>> +LANGSTANDARD_ALIAS_DEPR(cxx17, "c++1z")
>>> +
>>> +LANGSTANDARD(gnucxx17, "gnu++17",
>>> + CXX, "ISO C++ 2017 with amendments and GNU extensions",
>>> + LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> CPlusPlus17 |
>>> + Digraphs | HexFloat | GNUMode)
>>> +LANGSTANDARD_ALIAS_DEPR(gnucxx17, "gnu++1z")
>>> +
>>> +LANGSTANDARD(cxx2a, "c++2a",
>>> + CXX, "Working draft for ISO C++ 2020",
>>> + LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> CPlusPlus17 |
>>> + CPlusPlus2a | Digraphs | HexFloat)
>>> +
>>> +LANGSTANDARD(gnucxx2a, "gnu++2a",
>>> + CXX, "Working draft for ISO C++ 2020 with GNU extensions",
>>> + LineComment | CPlusPlus | CPlusPlus11 | CPlusPlus14 |
>>> CPlusPlus17 |
>>> + CPlusPlus2a | Digraphs | HexFloat | GNUMode)
>>> +
>>> +// OpenCL
>>> +LANGSTANDARD(opencl10, "cl1.0",
>>> + OpenCL, "OpenCL 1.0",
>>> + LineComment | C99 | Digraphs | HexFloat | OpenCL)
>>> +LANGSTANDARD_ALIAS_DEPR(opencl10, "cl")
>>> +
>>> +LANGSTANDARD(opencl11, "cl1.1",
>>> + OpenCL, "OpenCL 1.1",
>>> + LineComment | C99 | Digraphs | HexFloat | OpenCL)
>>> +LANGSTANDARD(opencl12, "cl1.2",
>>> + OpenCL, "OpenCL 1.2",
>>> + LineComment | C99 | Digraphs | HexFloat | OpenCL)
>>> +LANGSTANDARD(opencl20, "cl2.0",
>>> + OpenCL, "OpenCL 2.0",
>>> + LineComment | C99 | Digraphs | HexFloat | OpenCL)
>>> +
>>> +LANGSTANDARD_ALIAS_DEPR(opencl10, "CL")
>>> +LANGSTANDARD_ALIAS_DEPR(opencl11, "CL1.1")
>>> +LANGSTANDARD_ALIAS_DEPR(opencl12, "CL1.2")
>>> +LANGSTANDARD_ALIAS_DEPR(opencl20, "CL2.0")
>>> +
>>> +// CUDA
>>> +LANGSTANDARD(cuda, "cuda", CUDA, "NVIDIA CUDA(tm)",
>>> + LineComment | CPlusPlus | Digraphs)
>>> +
>>> +#undef LANGSTANDARD
>>> +#undef LANGSTANDARD_ALIAS
>>> +#undef LANGSTANDARD_ALIAS_DEPR
>>>
>>> Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=320089&r1=320088&r2=320089&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
>>> +++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Thu Dec 7 13:46:26 2017
>>> @@ -1645,206 +1645,207 @@ static void ParseHeaderSearchArgs(Header
>>> Opts.AddPath(Prefix.str() + A->getValue(), frontend::Angled, false,
>>> true);
>>> }
>>>
>>> - for (const Arg *A : Args.filtered(OPT_idirafter))
>>> - Opts.AddPath(A->getValue(), frontend::After, false, true);
>>> - for (const Arg *A : Args.filtered(OPT_iquote))
>>> - Opts.AddPath(A->getValue(), frontend::Quoted, false, true);
>>> - for (const Arg *A : Args.filtered(OPT_isystem, OPT_iwithsysroot))
>>> - Opts.AddPath(A->getValue(), frontend::System, false,
>>> - !A->getOption().matches(OPT_iwithsysroot));
>>> - for (const Arg *A : Args.filtered(OPT_iframework))
>>> - Opts.AddPath(A->getValue(), frontend::System, true, true);
>>> - for (const Arg *A : Args.filtered(OPT_iframeworkwithsysroot))
>>> - Opts.AddPath(A->getValue(), frontend::System, /*IsFramework=*/true,
>>> - /*IgnoreSysRoot=*/false);
>>> -
>>> - // Add the paths for the various language specific isystem flags.
>>> - for (const Arg *A : Args.filtered(OPT_c_isystem))
>>> - Opts.AddPath(A->getValue(), frontend::CSystem, false, true);
>>> - for (const Arg *A : Args.filtered(OPT_cxx_isystem))
>>> - Opts.AddPath(A->getValue(), frontend::CXXSystem, false, true);
>>> - for (const Arg *A : Args.filtered(OPT_objc_isystem))
>>> - Opts.AddPath(A->getValue(), frontend::ObjCSystem, false,true);
>>> - for (const Arg *A : Args.filtered(OPT_objcxx_isystem))
>>> - Opts.AddPath(A->getValue(), frontend::ObjCXXSystem, false, true);
>>> -
>>> - // Add the internal paths from a driver that detects standard include
>>> paths.
>>> - for (const Arg *A :
>>> - Args.filtered(OPT_internal_isystem, OPT_internal_externc_isystem))
>>> {
>>> - frontend::IncludeDirGroup Group = frontend::System;
>>> - if (A->getOption().matches(OPT_internal_externc_isystem))
>>> - Group = frontend::ExternCSystem;
>>> - Opts.AddPath(A->getValue(), Group, false, true);
>>> - }
>>> -
>>> - // Add the path prefixes which are implicitly treated as being system
>>> headers.
>>> - for (const Arg *A :
>>> - Args.filtered(OPT_system_header_prefix,
>>> OPT_no_system_header_prefix))
>>> - Opts.AddSystemHeaderPrefix(
>>> - A->getValue(), A->getOption().matches(OPT_system_header_prefix));
>>> -
>>> - for (const Arg *A : Args.filtered(OPT_ivfsoverlay))
>>> - Opts.AddVFSOverlayFile(A->getValue());
>>> -}
>>> -
>>> -void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
>>> - const llvm::Triple &T,
>>> - PreprocessorOptions &PPOpts,
>>> - LangStandard::Kind LangStd) {
>>> - // Set some properties which depend solely on the input kind; it would
>>> be nice
>>> - // to move these to the language standard, and have the driver resolve
>>> the
>>> - // input kind + language standard.
>>> - //
>>> - // FIXME: Perhaps a better model would be for a single source file to
>>> have
>>> - // multiple language standards (C / C++ std, ObjC std, OpenCL std,
>>> OpenMP std)
>>> - // simultaneously active?
>>> - if (IK.getLanguage() == InputKind::Asm) {
>>> - Opts.AsmPreprocessor = 1;
>>> - } else if (IK.isObjectiveC()) {
>>> - Opts.ObjC1 = Opts.ObjC2 = 1;
>>> - }
>>> -
>>> - if (LangStd == LangStandard::lang_unspecified) {
>>> - // Based on the base language, pick one.
>>> - switch (IK.getLanguage()) {
>>> - case InputKind::Unknown:
>>> - case InputKind::LLVM_IR:
>>> - llvm_unreachable("Invalid input kind!");
>>> - case InputKind::OpenCL:
>>> - LangStd = LangStandard::lang_opencl10;
>>> - break;
>>> - case InputKind::CUDA:
>>> - LangStd = LangStandard::lang_cuda;
>>> - break;
>>> - case InputKind::Asm:
>>> - case InputKind::C:
>>> - // The PS4 uses C99 as the default C standard.
>>> - if (T.isPS4())
>>> - LangStd = LangStandard::lang_gnu99;
>>> - else
>>> - LangStd = LangStandard::lang_gnu11;
>>> - break;
>>> - case InputKind::ObjC:
>>> - LangStd = LangStandard::lang_gnu11;
>>> - break;
>>> - case InputKind::CXX:
>>> - case InputKind::ObjCXX:
>>> - // The PS4 uses C++11 as the default C++ standard.
>>> - if (T.isPS4())
>>> - LangStd = LangStandard::lang_gnucxx11;
>>> - else
>>> - LangStd = LangStandard::lang_gnucxx98;
>>> - break;
>>> - case InputKind::RenderScript:
>>> - LangStd = LangStandard::lang_c99;
>>> - break;
>>> - }
>>> - }
>>> -
>>> - const LangStandard &Std =
>>> LangStandard::getLangStandardForKind(LangStd);
>>> - Opts.LineComment = Std.hasLineComments();
>>> - Opts.C99 = Std.isC99();
>>> - Opts.C11 = Std.isC11();
>>> - Opts.CPlusPlus = Std.isCPlusPlus();
>>> - Opts.CPlusPlus11 = Std.isCPlusPlus11();
>>> - Opts.CPlusPlus14 = Std.isCPlusPlus14();
>>> - Opts.CPlusPlus17 = Std.isCPlusPlus17();
>>> - Opts.CPlusPlus2a = Std.isCPlusPlus2a();
>>> - Opts.Digraphs = Std.hasDigraphs();
>>> - Opts.GNUMode = Std.isGNUMode();
>>> - Opts.GNUInline = !Opts.C99 && !Opts.CPlusPlus;
>>> - Opts.HexFloats = Std.hasHexFloats();
>>> - Opts.ImplicitInt = Std.hasImplicitInt();
>>> -
>>> - // Set OpenCL Version.
>>> - Opts.OpenCL = Std.isOpenCL();
>>> - if (LangStd == LangStandard::lang_opencl10)
>>> - Opts.OpenCLVersion = 100;
>>> - else if (LangStd == LangStandard::lang_opencl11)
>>> - Opts.OpenCLVersion = 110;
>>> - else if (LangStd == LangStandard::lang_opencl12)
>>> - Opts.OpenCLVersion = 120;
>>> - else if (LangStd == LangStandard::lang_opencl20)
>>> - Opts.OpenCLVersion = 200;
>>> -
>>> - // OpenCL has some additional defaults.
>>> - if (Opts.OpenCL) {
>>> - Opts.AltiVec = 0;
>>> - Opts.ZVector = 0;
>>> - Opts.LaxVectorConversions = 0;
>>> - Opts.setDefaultFPContractMode(LangOptions::FPC_On);
>>> - Opts.NativeHalfType = 1;
>>> - Opts.NativeHalfArgsAndReturns = 1;
>>> - // Include default header file for OpenCL.
>>> - if (Opts.IncludeDefaultHeader) {
>>> - PPOpts.Includes.push_back("opencl-c.h");
>>> - }
>>> - }
>>> -
>>> - Opts.CUDA = IK.getLanguage() == InputKind::CUDA;
>>> - if (Opts.CUDA)
>>> - // Set default FP_CONTRACT to FAST.
>>> - Opts.setDefaultFPContractMode(LangOptions::FPC_Fast);
>>> -
>>> - Opts.RenderScript = IK.getLanguage() == InputKind::RenderScript;
>>> - if (Opts.RenderScript) {
>>> - Opts.NativeHalfType = 1;
>>> - Opts.NativeHalfArgsAndReturns = 1;
>>> - }
>>> -
>>> - // OpenCL and C++ both have bool, true, false keywords.
>>> - Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
>>> -
>>> - // OpenCL has half keyword
>>> - Opts.Half = Opts.OpenCL;
>>> -
>>> - // C++ has wchar_t keyword.
>>> - Opts.WChar = Opts.CPlusPlus;
>>> -
>>> - Opts.GNUKeywords = Opts.GNUMode;
>>> - Opts.CXXOperatorNames = Opts.CPlusPlus;
>>> -
>>> - Opts.AlignedAllocation = Opts.CPlusPlus17;
>>> -
>>> - Opts.DollarIdents = !Opts.AsmPreprocessor;
>>> -}
>>> -
>>> -/// Attempt to parse a visibility value out of the given argument.
>>> -static Visibility parseVisibility(Arg *arg, ArgList &args,
>>> - DiagnosticsEngine &diags) {
>>> - StringRef value = arg->getValue();
>>> - if (value == "default") {
>>> - return DefaultVisibility;
>>> - } else if (value == "hidden" || value == "internal") {
>>> - return HiddenVisibility;
>>> - } else if (value == "protected") {
>>> - // FIXME: diagnose if target does not support protected visibility
>>> - return ProtectedVisibility;
>>> - }
>>> -
>>> - diags.Report(diag::err_drv_invalid_value)
>>> - << arg->getAsString(args) << value;
>>> - return DefaultVisibility;
>>> -}
>>> -
>>> -/// Check if input file kind and language standard are compatible.
>>> -static bool IsInputCompatibleWithStandard(InputKind IK,
>>> - const LangStandard &S) {
>>> - switch (IK.getLanguage()) {
>>> - case InputKind::Unknown:
>>> - case InputKind::LLVM_IR:
>>> - llvm_unreachable("should not parse language flags for this input");
>>> -
>>> - case InputKind::C:
>>> - case InputKind::ObjC:
>>> - case InputKind::RenderScript:
>>> - return S.getLanguage() == InputKind::C;
>>> -
>>> - case InputKind::OpenCL:
>>> - return S.getLanguage() == InputKind::OpenCL;
>>> -
>>> - case InputKind::CXX:
>>> - case InputKind::ObjCXX:
>>> + for (const Arg *A : Args.filtered(OPT_idirafter))
>>> + Opts.AddPath(A->getValue(), frontend::After, false, true);
>>> + for (const Arg *A : Args.filtered(OPT_iquote))
>>> + Opts.AddPath(A->getValue(), frontend::Quoted, false, true);
>>> + for (const Arg *A : Args.filtered(OPT_isystem, OPT_iwithsysroot))
>>> + Opts.AddPath(A->getValue(), frontend::System, false,
>>> + !A->getOption().matches(OPT_iwithsysroot));
>>> + for (const Arg *A : Args.filtered(OPT_iframework))
>>> + Opts.AddPath(A->getValue(), frontend::System, true, true);
>>> + for (const Arg *A : Args.filtered(OPT_iframeworkwithsysroot))
>>> + Opts.AddPath(A->getValue(), frontend::System, /*IsFramework=*/true,
>>> + /*IgnoreSysRoot=*/false);
>>> +
>>> + // Add the paths for the various language specific isystem flags.
>>> + for (const Arg *A : Args.filtered(OPT_c_isystem))
>>> + Opts.AddPath(A->getValue(), frontend::CSystem, false, true);
>>> + for (const Arg *A : Args.filtered(OPT_cxx_isystem))
>>> + Opts.AddPath(A->getValue(), frontend::CXXSystem, false, true);
>>> + for (const Arg *A : Args.filtered(OPT_objc_isystem))
>>> + Opts.AddPath(A->getValue(), frontend::ObjCSystem, false,true);
>>> + for (const Arg *A : Args.filtered(OPT_objcxx_isystem))
>>> + Opts.AddPath(A->getValue(), frontend::ObjCXXSystem, false, true);
>>> +
>>> + // Add the internal paths from a driver that detects standard include
>>> paths.
>>> + for (const Arg *A :
>>> + Args.filtered(OPT_internal_isystem, OPT_internal_externc_isystem))
>>> {
>>> + frontend::IncludeDirGroup Group = frontend::System;
>>> + if (A->getOption().matches(OPT_internal_externc_isystem))
>>> + Group = frontend::ExternCSystem;
>>> + Opts.AddPath(A->getValue(), Group, false, true);
>>> + }
>>> +
>>> + // Add the path prefixes which are implicitly treated as being system
>>> headers.
>>> + for (const Arg *A :
>>> + Args.filtered(OPT_system_header_prefix,
>>> OPT_no_system_header_prefix))
>>> + Opts.AddSystemHeaderPrefix(
>>> + A->getValue(), A->getOption().matches(OPT_system_header_prefix));
>>> +
>>> + for (const Arg *A : Args.filtered(OPT_ivfsoverlay))
>>> + Opts.AddVFSOverlayFile(A->getValue());
>>> +}
>>> +
>>> +void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
>>> + const llvm::Triple &T,
>>> + PreprocessorOptions &PPOpts,
>>> + LangStandard::Kind LangStd) {
>>> + // Set some properties which depend solely on the input kind; it would
>>> be nice
>>> + // to move these to the language standard, and have the driver resolve
>>> the
>>> + // input kind + language standard.
>>> + //
>>> + // FIXME: Perhaps a better model would be for a single source file to
>>> have
>>> + // multiple language standards (C / C++ std, ObjC std, OpenCL std,
>>> OpenMP std)
>>> + // simultaneously active?
>>> + if (IK.getLanguage() == InputKind::Asm) {
>>> + Opts.AsmPreprocessor = 1;
>>> + } else if (IK.isObjectiveC()) {
>>> + Opts.ObjC1 = Opts.ObjC2 = 1;
>>> + }
>>> +
>>> + if (LangStd == LangStandard::lang_unspecified) {
>>> + // Based on the base language, pick one.
>>> + switch (IK.getLanguage()) {
>>> + case InputKind::Unknown:
>>> + case InputKind::LLVM_IR:
>>> + llvm_unreachable("Invalid input kind!");
>>> + case InputKind::OpenCL:
>>> + LangStd = LangStandard::lang_opencl10;
>>> + break;
>>> + case InputKind::CUDA:
>>> + LangStd = LangStandard::lang_cuda;
>>> + break;
>>> + case InputKind::Asm:
>>> + case InputKind::C:
>>> + // The PS4 uses C99 as the default C standard.
>>> + if (T.isPS4())
>>> + LangStd = LangStandard::lang_gnu99;
>>> + else
>>> + LangStd = LangStandard::lang_gnu11;
>>> + break;
>>> + case InputKind::ObjC:
>>> + LangStd = LangStandard::lang_gnu11;
>>> + break;
>>> + case InputKind::CXX:
>>> + case InputKind::ObjCXX:
>>> + // The PS4 uses C++11 as the default C++ standard.
>>> + if (T.isPS4())
>>> + LangStd = LangStandard::lang_gnucxx11;
>>> + else
>>> + LangStd = LangStandard::lang_gnucxx98;
>>> + break;
>>> + case InputKind::RenderScript:
>>> + LangStd = LangStandard::lang_c99;
>>> + break;
>>> + }
>>> + }
>>> +
>>> + const LangStandard &Std =
>>> LangStandard::getLangStandardForKind(LangStd);
>>> + Opts.LineComment = Std.hasLineComments();
>>> + Opts.C99 = Std.isC99();
>>> + Opts.C11 = Std.isC11();
>>> + Opts.C17 = Std.isC17();
>>> + Opts.CPlusPlus = Std.isCPlusPlus();
>>> + Opts.CPlusPlus11 = Std.isCPlusPlus11();
>>> + Opts.CPlusPlus14 = Std.isCPlusPlus14();
>>> + Opts.CPlusPlus17 = Std.isCPlusPlus17();
>>> + Opts.CPlusPlus2a = Std.isCPlusPlus2a();
>>> + Opts.Digraphs = Std.hasDigraphs();
>>> + Opts.GNUMode = Std.isGNUMode();
>>> + Opts.GNUInline = !Opts.C99 && !Opts.CPlusPlus;
>>> + Opts.HexFloats = Std.hasHexFloats();
>>> + Opts.ImplicitInt = Std.hasImplicitInt();
>>> +
>>> + // Set OpenCL Version.
>>> + Opts.OpenCL = Std.isOpenCL();
>>> + if (LangStd == LangStandard::lang_opencl10)
>>> + Opts.OpenCLVersion = 100;
>>> + else if (LangStd == LangStandard::lang_opencl11)
>>> + Opts.OpenCLVersion = 110;
>>> + else if (LangStd == LangStandard::lang_opencl12)
>>> + Opts.OpenCLVersion = 120;
>>> + else if (LangStd == LangStandard::lang_opencl20)
>>> + Opts.OpenCLVersion = 200;
>>> +
>>> + // OpenCL has some additional defaults.
>>> + if (Opts.OpenCL) {
>>> + Opts.AltiVec = 0;
>>> + Opts.ZVector = 0;
>>> + Opts.LaxVectorConversions = 0;
>>> + Opts.setDefaultFPContractMode(LangOptions::FPC_On);
>>> + Opts.NativeHalfType = 1;
>>> + Opts.NativeHalfArgsAndReturns = 1;
>>> + // Include default header file for OpenCL.
>>> + if (Opts.IncludeDefaultHeader) {
>>> + PPOpts.Includes.push_back("opencl-c.h");
>>> + }
>>> + }
>>> +
>>> + Opts.CUDA = IK.getLanguage() == InputKind::CUDA;
>>> + if (Opts.CUDA)
>>> + // Set default FP_CONTRACT to FAST.
>>> + Opts.setDefaultFPContractMode(LangOptions::FPC_Fast);
>>> +
>>> + Opts.RenderScript = IK.getLanguage() == InputKind::RenderScript;
>>> + if (Opts.RenderScript) {
>>> + Opts.NativeHalfType = 1;
>>> + Opts.NativeHalfArgsAndReturns = 1;
>>> + }
>>> +
>>> + // OpenCL and C++ both have bool, true, false keywords.
>>> + Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
>>> +
>>> + // OpenCL has half keyword
>>> + Opts.Half = Opts.OpenCL;
>>> +
>>> + // C++ has wchar_t keyword.
>>> + Opts.WChar = Opts.CPlusPlus;
>>> +
>>> + Opts.GNUKeywords = Opts.GNUMode;
>>> + Opts.CXXOperatorNames = Opts.CPlusPlus;
>>> +
>>> + Opts.AlignedAllocation = Opts.CPlusPlus17;
>>> +
>>> + Opts.DollarIdents = !Opts.AsmPreprocessor;
>>> +}
>>> +
>>> +/// Attempt to parse a visibility value out of the given argument.
>>> +static Visibility parseVisibility(Arg *arg, ArgList &args,
>>> + DiagnosticsEngine &diags) {
>>> + StringRef value = arg->getValue();
>>> + if (value == "default") {
>>> + return DefaultVisibility;
>>> + } else if (value == "hidden" || value == "internal") {
>>> + return HiddenVisibility;
>>> + } else if (value == "protected") {
>>> + // FIXME: diagnose if target does not support protected visibility
>>> + return ProtectedVisibility;
>>> + }
>>> +
>>> + diags.Report(diag::err_drv_invalid_value)
>>> + << arg->getAsString(args) << value;
>>> + return DefaultVisibility;
>>> +}
>>> +
>>> +/// Check if input file kind and language standard are compatible.
>>> +static bool IsInputCompatibleWithStandard(InputKind IK,
>>> + const LangStandard &S) {
>>> + switch (IK.getLanguage()) {
>>> + case InputKind::Unknown:
>>> + case InputKind::LLVM_IR:
>>> + llvm_unreachable("should not parse language flags for this input");
>>> +
>>> + case InputKind::C:
>>> + case InputKind::ObjC:
>>> + case InputKind::RenderScript:
>>> + return S.getLanguage() == InputKind::C;
>>> +
>>> + case InputKind::OpenCL:
>>> + return S.getLanguage() == InputKind::OpenCL;
>>> +
>>> + case InputKind::CXX:
>>> + case InputKind::ObjCXX:
>>> return S.getLanguage() == InputKind::CXX;
>>>
>>> case InputKind::CUDA:
>>>
>>> Modified: cfe/trunk/lib/Frontend/InitPreprocessor.cpp
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/InitPreprocessor.cpp?rev=320089&r1=320088&r2=320089&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/lib/Frontend/InitPreprocessor.cpp (original)
>>> +++ cfe/trunk/lib/Frontend/InitPreprocessor.cpp Thu Dec 7 13:46:26 2017
>>> @@ -270,207 +270,209 @@ static void DefineLeastWidthIntType(unsi
>>> DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder);
>>> DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder);
>>> }
>>> -
>>> -static void DefineFastIntType(unsigned TypeWidth, bool IsSigned,
>>> - const TargetInfo &TI, MacroBuilder
>>> &Builder) {
>>> - // stdint.h currently defines the fast int types as equivalent to the
>>> least
>>> - // types.
>>> - TargetInfo::IntType Ty = TI.getLeastIntTypeByWidth(TypeWidth,
>>> IsSigned);
>>> - if (Ty == TargetInfo::NoInt)
>>> - return;
>>> -
>>> - const char *Prefix = IsSigned ? "__INT_FAST" : "__UINT_FAST";
>>> - DefineType(Prefix + Twine(TypeWidth) + "_TYPE__", Ty, Builder);
>>> - DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder);
>>> -
>>> - DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder);
>>> -}
>>> -
>>> -
>>> -/// Get the value the ATOMIC_*_LOCK_FREE macro should have for a type
>>> with
>>> -/// the specified properties.
>>> -static const char *getLockFreeValue(unsigned TypeWidth, unsigned
>>> TypeAlign,
>>> - unsigned InlineWidth) {
>>> - // Fully-aligned, power-of-2 sizes no larger than the inline
>>> - // width will be inlined as lock-free operations.
>>> - if (TypeWidth == TypeAlign && (TypeWidth & (TypeWidth - 1)) == 0 &&
>>> - TypeWidth <= InlineWidth)
>>> - return "2"; // "always lock free"
>>> - // We cannot be certain what operations the lib calls might be
>>> - // able to implement as lock-free on future processors.
>>> - return "1"; // "sometimes lock free"
>>> -}
>>> -
>>> -/// \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";
>>> -
>>> - if (LangOpts.ObjCAutoRefCount) {
>>> - 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.ObjCWeak) {
>>> - 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";
>>> - }
>>> -
>>> - if (LangOpts.ObjCAutoRefCount) {
>>> - 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 InitializeStandardPredefinedMacros(const TargetInfo &TI,
>>> - const LangOptions
>>> &LangOpts,
>>> - const FrontendOptions
>>> &FEOpts,
>>> - MacroBuilder &Builder) {
>>> - if (!LangOpts.MSVCCompat && !LangOpts.TraditionalCPP)
>>> - Builder.defineMacro("__STDC__");
>>> - if (LangOpts.Freestanding)
>>> - Builder.defineMacro("__STDC_HOSTED__", "0");
>>> - else
>>> - Builder.defineMacro("__STDC_HOSTED__");
>>> -
>>> - if (!LangOpts.CPlusPlus) {
>>> - if (LangOpts.C11)
>>> - Builder.defineMacro("__STDC_VERSION__", "201112L");
>>> - else if (LangOpts.C99)
>>> - Builder.defineMacro("__STDC_VERSION__", "199901L");
>>> - else if (!LangOpts.GNUMode && LangOpts.Digraphs)
>>> - Builder.defineMacro("__STDC_VERSION__", "199409L");
>>> - } else {
>>> - // FIXME: Use correct value for C++20.
>>> - if (LangOpts.CPlusPlus2a)
>>> - Builder.defineMacro("__cplusplus", "201707L");
>>> - // C++17 [cpp.predefined]p1:
>>> - // The name __cplusplus is defined to the value 201703L when
>>> compiling a
>>> - // C++ translation unit.
>>> - else if (LangOpts.CPlusPlus17)
>>> - Builder.defineMacro("__cplusplus", "201703L");
>>> - // C++1y [cpp.predefined]p1:
>>> - // The name __cplusplus is defined to the value 201402L when
>>> compiling a
>>> - // C++ translation unit.
>>> - else if (LangOpts.CPlusPlus14)
>>> - Builder.defineMacro("__cplusplus", "201402L");
>>> - // C++11 [cpp.predefined]p1:
>>> - // The name __cplusplus is defined to the value 201103L when
>>> compiling a
>>> - // C++ translation unit.
>>> - else if (LangOpts.CPlusPlus11)
>>> - Builder.defineMacro("__cplusplus", "201103L");
>>> - // C++03 [cpp.predefined]p1:
>>> - // The name __cplusplus is defined to the value 199711L when
>>> compiling a
>>> - // C++ translation unit.
>>> - else
>>> - Builder.defineMacro("__cplusplus", "199711L");
>>> -
>>> - // C++1z [cpp.predefined]p1:
>>> - // An integer literal of type std::size_t whose value is the
>>> alignment
>>> - // guaranteed by a call to operator new(std::size_t)
>>> - //
>>> - // We provide this in all language modes, since it seems generally
>>> useful.
>>> - Builder.defineMacro("__STDCPP_DEFAULT_NEW_ALIGNMENT__",
>>> - Twine(TI.getNewAlign() / TI.getCharWidth()) +
>>> - TI.getTypeConstantSuffix(TI.getSizeType()));
>>> - }
>>> -
>>> - // In C11 these are environment macros. In C++11 they are only defined
>>> - // as part of <cuchar>. To prevent breakage when mixing C and C++
>>> - // code, define these macros unconditionally. We can define them
>>> - // unconditionally, as Clang always uses UTF-16 and UTF-32 for 16-bit
>>> - // and 32-bit character literals.
>>> - Builder.defineMacro("__STDC_UTF_16__", "1");
>>> - Builder.defineMacro("__STDC_UTF_32__", "1");
>>> -
>>> - if (LangOpts.ObjC1)
>>> - Builder.defineMacro("__OBJC__");
>>> -
>>> - // OpenCL v1.0/1.1 s6.9, v1.2/2.0 s6.10: Preprocessor Directives and
>>> Macros.
>>> - if (LangOpts.OpenCL) {
>>> - // OpenCL v1.0 and v1.1 do not have a predefined macro to indicate
>>> the
>>> - // language standard with which the program is compiled.
>>> __OPENCL_VERSION__
>>> - // is for the OpenCL version supported by the OpenCL device, which is
>>> not
>>> - // necessarily the language standard with which the program is
>>> compiled.
>>> - // A shared OpenCL header file requires a macro to indicate the
>>> language
>>> - // standard. As a workaround, __OPENCL_C_VERSION__ is defined for
>>> - // OpenCL v1.0 and v1.1.
>>> - switch (LangOpts.OpenCLVersion) {
>>> - case 100:
>>> - Builder.defineMacro("__OPENCL_C_VERSION__", "100");
>>> - break;
>>> - case 110:
>>> - Builder.defineMacro("__OPENCL_C_VERSION__", "110");
>>> - break;
>>> - case 120:
>>> - Builder.defineMacro("__OPENCL_C_VERSION__", "120");
>>> - break;
>>> - case 200:
>>> - Builder.defineMacro("__OPENCL_C_VERSION__", "200");
>>> - break;
>>> - default:
>>> - llvm_unreachable("Unsupported OpenCL version");
>>> - }
>>> - Builder.defineMacro("CL_VERSION_1_0", "100");
>>> - Builder.defineMacro("CL_VERSION_1_1", "110");
>>> - Builder.defineMacro("CL_VERSION_1_2", "120");
>>> - Builder.defineMacro("CL_VERSION_2_0", "200");
>>> -
>>> - if (TI.isLittleEndian())
>>> - Builder.defineMacro("__ENDIAN_LITTLE__");
>>> -
>>> - if (LangOpts.FastRelaxedMath)
>>> - Builder.defineMacro("__FAST_RELAXED_MATH__");
>>> - }
>>> - // Not "standard" per se, but available even with the -undef flag.
>>> - if (LangOpts.AsmPreprocessor)
>>> - Builder.defineMacro("__ASSEMBLER__");
>>> - if (LangOpts.CUDA)
>>> - Builder.defineMacro("__CUDA__");
>>> -}
>>> -
>>> -/// Initialize the predefined C++ language feature test macros defined in
>>> -/// ISO/IEC JTC1/SC22/WG21 (C++) SD-6: "SG10 Feature Test
>>> Recommendations".
>>> -static void InitializeCPlusPlusFeatureTestMacros(const LangOptions
>>> &LangOpts,
>>> - MacroBuilder &Builder) {
>>> - // C++98 features.
>>> - if (LangOpts.RTTI)
>>> +
>>> +static void DefineFastIntType(unsigned TypeWidth, bool IsSigned,
>>> + const TargetInfo &TI, MacroBuilder
>>> &Builder) {
>>> + // stdint.h currently defines the fast int types as equivalent to the
>>> least
>>> + // types.
>>> + TargetInfo::IntType Ty = TI.getLeastIntTypeByWidth(TypeWidth,
>>> IsSigned);
>>> + if (Ty == TargetInfo::NoInt)
>>> + return;
>>> +
>>> + const char *Prefix = IsSigned ? "__INT_FAST" : "__UINT_FAST";
>>> + DefineType(Prefix + Twine(TypeWidth) + "_TYPE__", Ty, Builder);
>>> + DefineTypeSize(Prefix + Twine(TypeWidth) + "_MAX__", Ty, TI, Builder);
>>> +
>>> + DefineFmt(Prefix + Twine(TypeWidth), Ty, TI, Builder);
>>> +}
>>> +
>>> +
>>> +/// Get the value the ATOMIC_*_LOCK_FREE macro should have for a type
>>> with
>>> +/// the specified properties.
>>> +static const char *getLockFreeValue(unsigned TypeWidth, unsigned
>>> TypeAlign,
>>> + unsigned InlineWidth) {
>>> + // Fully-aligned, power-of-2 sizes no larger than the inline
>>> + // width will be inlined as lock-free operations.
>>> + if (TypeWidth == TypeAlign && (TypeWidth & (TypeWidth - 1)) == 0 &&
>>> + TypeWidth <= InlineWidth)
>>> + return "2"; // "always lock free"
>>> + // We cannot be certain what operations the lib calls might be
>>> + // able to implement as lock-free on future processors.
>>> + return "1"; // "sometimes lock free"
>>> +}
>>> +
>>> +/// \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";
>>> +
>>> + if (LangOpts.ObjCAutoRefCount) {
>>> + 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.ObjCWeak) {
>>> + 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";
>>> + }
>>> +
>>> + if (LangOpts.ObjCAutoRefCount) {
>>> + 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 InitializeStandardPredefinedMacros(const TargetInfo &TI,
>>> + const LangOptions
>>> &LangOpts,
>>> + const FrontendOptions
>>> &FEOpts,
>>> + MacroBuilder &Builder) {
>>> + if (!LangOpts.MSVCCompat && !LangOpts.TraditionalCPP)
>>> + Builder.defineMacro("__STDC__");
>>> + if (LangOpts.Freestanding)
>>> + Builder.defineMacro("__STDC_HOSTED__", "0");
>>> + else
>>> + Builder.defineMacro("__STDC_HOSTED__");
>>> +
>>> + if (!LangOpts.CPlusPlus) {
>>> + if (LangOpts.C17)
>>> + Builder.defineMacro("__STDC_VERSION__", "201710L");
>>> + else if (LangOpts.C11)
>>> + Builder.defineMacro("__STDC_VERSION__", "201112L");
>>> + else if (LangOpts.C99)
>>> + Builder.defineMacro("__STDC_VERSION__", "199901L");
>>> + else if (!LangOpts.GNUMode && LangOpts.Digraphs)
>>> + Builder.defineMacro("__STDC_VERSION__", "199409L");
>>> + } else {
>>> + // FIXME: Use correct value for C++20.
>>> + if (LangOpts.CPlusPlus2a)
>>> + Builder.defineMacro("__cplusplus", "201707L");
>>> + // C++17 [cpp.predefined]p1:
>>> + // The name __cplusplus is defined to the value 201703L when
>>> compiling a
>>> + // C++ translation unit.
>>> + else if (LangOpts.CPlusPlus17)
>>> + Builder.defineMacro("__cplusplus", "201703L");
>>> + // C++1y [cpp.predefined]p1:
>>> + // The name __cplusplus is defined to the value 201402L when
>>> compiling a
>>> + // C++ translation unit.
>>> + else if (LangOpts.CPlusPlus14)
>>> + Builder.defineMacro("__cplusplus", "201402L");
>>> + // C++11 [cpp.predefined]p1:
>>> + // The name __cplusplus is defined to the value 201103L when
>>> compiling a
>>> + // C++ translation unit.
>>> + else if (LangOpts.CPlusPlus11)
>>> + Builder.defineMacro("__cplusplus", "201103L");
>>> + // C++03 [cpp.predefined]p1:
>>> + // The name __cplusplus is defined to the value 199711L when
>>> compiling a
>>> + // C++ translation unit.
>>> + else
>>> + Builder.defineMacro("__cplusplus", "199711L");
>>> +
>>> + // C++1z [cpp.predefined]p1:
>>> + // An integer literal of type std::size_t whose value is the
>>> alignment
>>> + // guaranteed by a call to operator new(std::size_t)
>>> + //
>>> + // We provide this in all language modes, since it seems generally
>>> useful.
>>> + Builder.defineMacro("__STDCPP_DEFAULT_NEW_ALIGNMENT__",
>>> + Twine(TI.getNewAlign() / TI.getCharWidth()) +
>>> + TI.getTypeConstantSuffix(TI.getSizeType()));
>>> + }
>>> +
>>> + // In C11 these are environment macros. In C++11 they are only defined
>>> + // as part of <cuchar>. To prevent breakage when mixing C and C++
>>> + // code, define these macros unconditionally. We can define them
>>> + // unconditionally, as Clang always uses UTF-16 and UTF-32 for 16-bit
>>> + // and 32-bit character literals.
>>> + Builder.defineMacro("__STDC_UTF_16__", "1");
>>> + Builder.defineMacro("__STDC_UTF_32__", "1");
>>> +
>>> + if (LangOpts.ObjC1)
>>> + Builder.defineMacro("__OBJC__");
>>> +
>>> + // OpenCL v1.0/1.1 s6.9, v1.2/2.0 s6.10: Preprocessor Directives and
>>> Macros.
>>> + if (LangOpts.OpenCL) {
>>> + // OpenCL v1.0 and v1.1 do not have a predefined macro to indicate
>>> the
>>> + // language standard with which the program is compiled.
>>> __OPENCL_VERSION__
>>> + // is for the OpenCL version supported by the OpenCL device, which is
>>> not
>>> + // necessarily the language standard with which the program is
>>> compiled.
>>> + // A shared OpenCL header file requires a macro to indicate the
>>> language
>>> + // standard. As a workaround, __OPENCL_C_VERSION__ is defined for
>>> + // OpenCL v1.0 and v1.1.
>>> + switch (LangOpts.OpenCLVersion) {
>>> + case 100:
>>> + Builder.defineMacro("__OPENCL_C_VERSION__", "100");
>>> + break;
>>> + case 110:
>>> + Builder.defineMacro("__OPENCL_C_VERSION__", "110");
>>> + break;
>>> + case 120:
>>> + Builder.defineMacro("__OPENCL_C_VERSION__", "120");
>>> + break;
>>> + case 200:
>>> + Builder.defineMacro("__OPENCL_C_VERSION__", "200");
>>> + break;
>>> + default:
>>> + llvm_unreachable("Unsupported OpenCL version");
>>> + }
>>> + Builder.defineMacro("CL_VERSION_1_0", "100");
>>> + Builder.defineMacro("CL_VERSION_1_1", "110");
>>> + Builder.defineMacro("CL_VERSION_1_2", "120");
>>> + Builder.defineMacro("CL_VERSION_2_0", "200");
>>> +
>>> + if (TI.isLittleEndian())
>>> + Builder.defineMacro("__ENDIAN_LITTLE__");
>>> +
>>> + if (LangOpts.FastRelaxedMath)
>>> + Builder.defineMacro("__FAST_RELAXED_MATH__");
>>> + }
>>> + // Not "standard" per se, but available even with the -undef flag.
>>> + if (LangOpts.AsmPreprocessor)
>>> + Builder.defineMacro("__ASSEMBLER__");
>>> + if (LangOpts.CUDA)
>>> + Builder.defineMacro("__CUDA__");
>>> +}
>>> +
>>> +/// Initialize the predefined C++ language feature test macros defined in
>>> +/// ISO/IEC JTC1/SC22/WG21 (C++) SD-6: "SG10 Feature Test
>>> Recommendations".
>>> +static void InitializeCPlusPlusFeatureTestMacros(const LangOptions
>>> &LangOpts,
>>> + MacroBuilder &Builder) {
>>> + // C++98 features.
>>> + if (LangOpts.RTTI)
>>> Builder.defineMacro("__cpp_rtti", "199711");
>>> if (LangOpts.CXXExceptions)
>>> Builder.defineMacro("__cpp_exceptions", "199711");
>>>
>>> Modified: cfe/trunk/test/Driver/unknown-std.c
>>> URL:
>>> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/unknown-std.c?rev=320089&r1=320088&r2=320089&view=diff
>>>
>>> ==============================================================================
>>> --- cfe/trunk/test/Driver/unknown-std.c (original)
>>> +++ cfe/trunk/test/Driver/unknown-std.c Thu Dec 7 13:46:26 2017
>>> @@ -1,20 +1,22 @@
>>> -// This file checks output given when processing C/ObjC files.
>>> -// When user selects invalid language standard
>>> -// print out supported values with short description.
>>> -
>>> -// RUN: not %clang %s -std=foobar -c 2>&1 | FileCheck --match-full-lines
>>> %s
>>> -// RUN: not %clang -x objective-c %s -std=foobar -c 2>&1 | FileCheck
>>> --match-full-lines %s
>>> -// RUN: not %clang -x renderscript %s -std=foobar -c 2>&1 | FileCheck
>>> --match-full-lines %s
>>> -
>>> -// CHECK: error: invalid value 'foobar' in '-std=foobar'
>>> -// CHECK-NEXT: note: use 'c89', 'c90', or 'iso9899:1990' for 'ISO C 1990'
>>> standard
>>> -// CHECK-NEXT: note: use 'iso9899:199409' for 'ISO C 1990 with amendment
>>> 1' standard
>>> -// CHECK-NEXT: note: use 'gnu89' or 'gnu90' for 'ISO C 1990 with GNU
>>> extensions' standard
>>> -// CHECK-NEXT: note: use 'c99' or 'iso9899:1999' for 'ISO C 1999'
>>> standard
>>> -// CHECK-NEXT: note: use 'gnu99' for 'ISO C 1999 with GNU extensions'
>>> standard
>>> -// CHECK-NEXT: note: use 'c11' or 'iso9899:2011' for 'ISO C 2011'
>>> standard
>>> -// CHECK-NEXT: note: use 'gnu11' for 'ISO C 2011 with GNU extensions'
>>> standard
>>> -
>>> -// Make sure that no other output is present.
>>> -// CHECK-NOT: {{^.+$}}
>>> -
>>> +// This file checks output given when processing C/ObjC files.
>>> +// When user selects invalid language standard
>>> +// print out supported values with short description.
>>> +
>>> +// RUN: not %clang %s -std=foobar -c 2>&1 | FileCheck --match-full-lines
>>> %s
>>> +// RUN: not %clang -x objective-c %s -std=foobar -c 2>&1 | FileCheck
>>> --match-full-lines %s
>>> +// RUN: not %clang -x renderscript %s -std=foobar -c 2>&1 | FileCheck
>>> --match-full-lines %s
>>> +
>>> +// CHECK: error: invalid value 'foobar' in '-std=foobar'
>>> +// CHECK-NEXT: note: use 'c89', 'c90', or 'iso9899:1990' for 'ISO C 1990'
>>> standard
>>> +// CHECK-NEXT: note: use 'iso9899:199409' for 'ISO C 1990 with amendment
>>> 1' standard
>>> +// CHECK-NEXT: note: use 'gnu89' or 'gnu90' for 'ISO C 1990 with GNU
>>> extensions' standard
>>> +// CHECK-NEXT: note: use 'c99' or 'iso9899:1999' for 'ISO C 1999'
>>> standard
>>> +// CHECK-NEXT: note: use 'gnu99' for 'ISO C 1999 with GNU extensions'
>>> standard
>>> +// CHECK-NEXT: note: use 'c11' or 'iso9899:2011' for 'ISO C 2011'
>>> standard
>>> +// CHECK-NEXT: note: use 'gnu11' for 'ISO C 2011 with GNU extensions'
>>> standard
>>> +// CHECK-NEXT: note: use 'c17' or 'iso9899:2017' for 'ISO C 2017'
>>> standard
>>> +// CHECK-NEXT: note: use 'gnu17' for 'ISO C 2017 with GNU extensions'
>>> standard
>>> +
>>> +// Make sure that no other output is present.
>>> +// CHECK-NOT: {{^.+$}}
>>> +
>>>
>>>
>>> _______________________________________________
>>> cfe-commits mailing list
>>> cfe-commits at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>>
>>
>>
>> _______________________________________________
>> cfe-commits mailing list
>> cfe-commits at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>>
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