//===--- 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 an
// incompatible way), ENUM_LANGOPT (for options that have enumeration,
// rather than unsigned, type), BENIGN_ENUM_LANGOPT (for benign
// options that have enumeration type), and VALUE_LANGOPT is a language option
// that describes a value rather than a flag.
//
//===----------------------------------------------------------------------===//
#ifndef LANGOPT
#  error Define the LANGOPT macro to handle language options
#endif

#ifndef VALUE_LANGOPT
#  define VALUE_LANGOPT(Name, Bits, Default, Description) \
     LANGOPT(Name, Bits, Default, Description)
#endif

#ifndef BENIGN_LANGOPT
#  define BENIGN_LANGOPT(Name, Bits, Default, Description) \
     LANGOPT(Name, Bits, Default, Description)
#endif

#ifndef ENUM_LANGOPT
#  define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
     LANGOPT(Name, Bits, Default, Description)
#endif

#ifndef BENIGN_ENUM_LANGOPT
#  define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
     ENUM_LANGOPT(Name, Type, Bits, Default, Description)
#endif

LANGOPT(C99               , 1, 0, "C99")
LANGOPT(C11               , 1, 0, "C11")
LANGOPT(MicrosoftExt      , 1, 0, "Microsoft extensions")
LANGOPT(MicrosoftMode     , 1, 0, "Microsoft compatibility mode")
LANGOPT(AsmBlocks         , 1, 0, "Microsoft inline asm blocks")
LANGOPT(Borland           , 1, 0, "Borland extensions")
LANGOPT(CPlusPlus         , 1, 0, "C++")
LANGOPT(CPlusPlus11       , 1, 0, "C++0x")
LANGOPT(CPlusPlus1y       , 1, 0, "C++1y")
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(Trigraphs         , 1, 0,"trigraphs")
LANGOPT(LineComment       , 1, 0, "'//' comments")
LANGOPT(Bool              , 1, 0, "bool, true, and false keywords")
LANGOPT(WChar             , 1, CPlusPlus, "wchar_t keyword")
BENIGN_LANGOPT(DollarIdents   , 1, 1, "'$' in identifiers")
BENIGN_LANGOPT(AsmPreprocessor, 1, 0, "preprocessor in asm mode")
BENIGN_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(Exceptions        , 1, 0, "exception handling")
LANGOPT(ObjCExceptions    , 1, 0, "Objective-C exceptions")
LANGOPT(CXXExceptions     , 1, 0, "C++ exceptions")
LANGOPT(SjLjExceptions    , 1, 0, "setjmp-longjump exception handling")
LANGOPT(TraditionalCPP    , 1, 0, "traditional CPP emulation")
LANGOPT(RTTI              , 1, 1, "run-time type information")
LANGOPT(MSBitfields       , 1, 0, "Microsoft-compatible structure layout")
LANGOPT(Freestanding, 1, 0, "freestanding implementation")
LANGOPT(NoBuiltin         , 1, 0, "disable builtin functions")

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, "support for emitting all declarations")
LANGOPT(MathErrno         , 1, 1, "errno support for 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")
LANGOPT(Optimize          , 1, 0, "__OPTIMIZE__ predefined macro")
LANGOPT(OptimizeSize      , 1, 0, "__OPTIMIZE_SIZE__ predefined macro")
LANGOPT(Static            , 1, 0, "__STATIC__ predefined macro (as opposed to __DYNAMIC__)")
VALUE_LANGOPT(PackStruct  , 32, 0, 
              "default struct packing maximum alignment")
VALUE_LANGOPT(PICLevel    , 2, 0, "__PIC__ level")
VALUE_LANGOPT(PIELevel    , 2, 0, "__PIE__ level")
LANGOPT(GNUInline         , 1, 0, "GNU inline semantics")
LANGOPT(NoInlineDefine    , 1, 0, "__NO_INLINE__ predefined macro")
LANGOPT(Deprecated        , 1, 0, "__DEPRECATED predefined macro")
LANGOPT(FastMath          , 1, 0, "__FAST_MATH__ predefined macro")
LANGOPT(FiniteMathOnly    , 1, 0, "__FINITE_MATH_ONLY__ predefined macro")

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(ShortWChar        , 1, 0, "unsigned short wchar_t")

LANGOPT(ShortEnums        , 1, 0, "short enum types")

LANGOPT(OpenCL            , 1, 0, "OpenCL")
LANGOPT(OpenCLVersion     , 32, 0, "OpenCL version")
LANGOPT(NativeHalfType    , 1, 0, "Native half type support")
LANGOPT(CUDA              , 1, 0, "CUDA")
LANGOPT(OpenMP            , 1, 0, "OpenMP support")

LANGOPT(AssumeSaneOperatorNew , 1, 1, "implicit __attribute__((malloc)) for C++'s new operators")
BENIGN_LANGOPT(ElideConstructors , 1, 1, "C++ copy constructor elision")
BENIGN_LANGOPT(DumpRecordLayouts , 1, 0, "dumping the layout of IRgen'd records")
BENIGN_LANGOPT(DumpRecordLayoutsSimple , 1, 0, "dumping the layout of IRgen'd records in a simple form")
BENIGN_LANGOPT(DumpVTableLayouts , 1, 0, "dumping the layouts of emitted vtables")
LANGOPT(NoConstantCFStrings , 1, 0, "no constant CoreFoundation strings")
BENIGN_LANGOPT(InlineVisibilityHidden , 1, 0, "hidden default visibility for inline C++ methods")
BENIGN_LANGOPT(ParseUnknownAnytype, 1, 0, "__unknown_anytype")
BENIGN_LANGOPT(DebuggerSupport , 1, 0, "debugger support")
BENIGN_LANGOPT(DebuggerCastResultToId, 1, 0, "for 'po' in the debugger, cast the result to id if it is of unknown type")
BENIGN_LANGOPT(DebuggerObjCLiteral , 1, 0, "debugger Objective-C literals and subscripting support")

BENIGN_LANGOPT(SpellChecking , 1, 1, "spell-checking")
LANGOPT(SinglePrecisionConstants , 1, 0, "treating double-precision floating point constants as single precision constants")
LANGOPT(FastRelaxedMath , 1, 0, "OpenCL fast relaxed math")
LANGOPT(DefaultFPContract , 1, 0, "FP_CONTRACT")
LANGOPT(NoBitFieldTypeAlign , 1, 0, "bit-field type alignment")
LANGOPT(HexagonQdsp6Compat , 1, 0, "hexagon-qdsp6 backward compatibility")
LANGOPT(ObjCAutoRefCount , 1, 0, "Objective-C automated reference counting")
LANGOPT(ObjCARCWeak         , 1, 0, "__weak support in the ARC runtime")
LANGOPT(FakeAddressSpaceMap , 1, 0, "OpenCL fake address space map")

LANGOPT(MRTD , 1, 0, "-mrtd calling convention")
BENIGN_LANGOPT(DelayedTemplateParsing , 1, 0, "delayed template parsing")
LANGOPT(BlocksRuntimeOptional , 1, 0, "optional blocks runtime")

ENUM_LANGOPT(GC, GCMode, 2, NonGC, "Objective-C Garbage Collection mode")
ENUM_LANGOPT(ValueVisibilityMode, Visibility, 3, DefaultVisibility, 
             "value symbol visibility")
ENUM_LANGOPT(TypeVisibilityMode, Visibility, 3, DefaultVisibility, 
             "type symbol visibility")
ENUM_LANGOPT(StackProtector, StackProtectorMode, 2, SSPOff, 
             "stack protector mode")
ENUM_LANGOPT(SignedOverflowBehavior, SignedOverflowBehaviorTy, 2, SOB_Undefined,
             "signed integer overflow handling")

BENIGN_LANGOPT(InstantiationDepth, 32, 512, 
               "maximum template instantiation depth")
BENIGN_LANGOPT(ConstexprCallDepth, 32, 512,
               "maximum constexpr call depth")
BENIGN_LANGOPT(BracketDepth, 32, 256,
               "maximum bracket nesting depth")
BENIGN_LANGOPT(NumLargeByValueCopy, 32, 0, 
        "if non-zero, warn about parameter or return Warn if parameter/return value is larger in bytes than this setting. 0 is no check.")
VALUE_LANGOPT(MSCVersion, 32, 0, 
              "version of Microsoft Visual C/C++")

LANGOPT(ApplePragmaPack, 1, 0, "Apple gcc-compatible #pragma pack handling")

BENIGN_LANGOPT(RetainCommentsFromSystemHeaders, 1, 0, "retain documentation comments from system headers in the AST")

#undef LANGOPT
#undef VALUE_LANGOPT
#undef BENIGN_LANGOPT
#undef ENUM_LANGOPT
#undef BENIGN_ENUM_LANGOPT

