1 //===--- LangOptions.def - Language option database -------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines the language options. Users of this file must 11 // define the LANGOPT macro to make use of this information. 12 // Optionally, the user may also define BENIGN_LANGOPT 13 // (for options that don't affect the construction of the AST in an 14 // incompatible way), ENUM_LANGOPT (for options that have enumeration, 15 // rather than unsigned, type), BENIGN_ENUM_LANGOPT (for benign 16 // options that have enumeration type), and VALUE_LANGOPT is a language option 17 // that describes a value rather than a flag. 18 // 19 //===----------------------------------------------------------------------===// 20 #ifndef LANGOPT 21 # error Define the LANGOPT macro to handle language options 22 #endif 23 24 #ifndef VALUE_LANGOPT 25 # define VALUE_LANGOPT(Name, Bits, Default, Description) \ 26 LANGOPT(Name, Bits, Default, Description) 27 #endif 28 29 #ifndef BENIGN_LANGOPT 30 # define BENIGN_LANGOPT(Name, Bits, Default, Description) \ 31 LANGOPT(Name, Bits, Default, Description) 32 #endif 33 34 #ifndef ENUM_LANGOPT 35 # define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 36 LANGOPT(Name, Bits, Default, Description) 37 #endif 38 39 #ifndef BENIGN_ENUM_LANGOPT 40 # define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description) \ 41 ENUM_LANGOPT(Name, Type, Bits, Default, Description) 42 #endif 43 44 LANGOPT(C99 , 1, 0, "C99") 45 LANGOPT(C11 , 1, 0, "C11") 46 LANGOPT(MicrosoftExt , 1, 0, "Microsoft extensions") 47 LANGOPT(MicrosoftMode , 1, 0, "Microsoft compatibility mode") 48 LANGOPT(AsmBlocks , 1, 0, "Microsoft inline asm blocks") 49 LANGOPT(Borland , 1, 0, "Borland extensions") 50 LANGOPT(CPlusPlus , 1, 0, "C++") 51 LANGOPT(CPlusPlus11 , 1, 0, "C++0x") 52 LANGOPT(CPlusPlus1y , 1, 0, "C++1y") 53 LANGOPT(ObjC1 , 1, 0, "Objective-C 1") 54 LANGOPT(ObjC2 , 1, 0, "Objective-C 2") 55 BENIGN_LANGOPT(ObjCDefaultSynthProperties , 1, 0, 56 "Objective-C auto-synthesized properties") 57 BENIGN_LANGOPT(EncodeExtendedBlockSig , 1, 0, 58 "Encoding extended block type signature") 59 BENIGN_LANGOPT(ObjCInferRelatedResultType , 1, 1, 60 "Objective-C related result type inference") 61 LANGOPT(Trigraphs , 1, 0,"trigraphs") 62 LANGOPT(LineComment , 1, 0, "'//' comments") 63 LANGOPT(Bool , 1, 0, "bool, true, and false keywords") 64 LANGOPT(WChar , 1, CPlusPlus, "wchar_t keyword") 65 BENIGN_LANGOPT(DollarIdents , 1, 1, "'$' in identifiers") 66 BENIGN_LANGOPT(AsmPreprocessor, 1, 0, "preprocessor in asm mode") 67 BENIGN_LANGOPT(GNUMode , 1, 1, "GNU extensions") 68 LANGOPT(GNUKeywords , 1, 1, "GNU keywords") 69 BENIGN_LANGOPT(ImplicitInt, 1, !C99 && !CPlusPlus, "C89 implicit 'int'") 70 LANGOPT(Digraphs , 1, 0, "digraphs") 71 BENIGN_LANGOPT(HexFloats , 1, C99, "C99 hexadecimal float constants") 72 LANGOPT(CXXOperatorNames , 1, 0, "C++ operator name keywords") 73 LANGOPT(AppleKext , 1, 0, "Apple kext support") 74 BENIGN_LANGOPT(PascalStrings, 1, 0, "Pascal string support") 75 LANGOPT(WritableStrings , 1, 0, "writable string support") 76 LANGOPT(ConstStrings , 1, 0, "const-qualified string support") 77 LANGOPT(LaxVectorConversions , 1, 1, "lax vector conversions") 78 LANGOPT(AltiVec , 1, 0, "AltiVec-style vector initializers") 79 LANGOPT(Exceptions , 1, 0, "exception handling") 80 LANGOPT(ObjCExceptions , 1, 0, "Objective-C exceptions") 81 LANGOPT(CXXExceptions , 1, 0, "C++ exceptions") 82 LANGOPT(SjLjExceptions , 1, 0, "setjmp-longjump exception handling") 83 LANGOPT(TraditionalCPP , 1, 0, "traditional CPP emulation") 84 LANGOPT(RTTI , 1, 1, "run-time type information") 85 LANGOPT(MSBitfields , 1, 0, "Microsoft-compatible structure layout") 86 LANGOPT(Freestanding, 1, 0, "freestanding implementation") 87 LANGOPT(NoBuiltin , 1, 0, "disable builtin functions") 88 LANGOPT(NoMathBuiltin , 1, 0, "disable math builtin functions") 89 90 BENIGN_LANGOPT(ThreadsafeStatics , 1, 1, "thread-safe static initializers") 91 LANGOPT(POSIXThreads , 1, 0, "POSIX thread support") 92 LANGOPT(Blocks , 1, 0, "blocks extension to C") 93 BENIGN_LANGOPT(EmitAllDecls , 1, 0, "support for emitting all declarations") 94 LANGOPT(MathErrno , 1, 1, "errno support for math functions") 95 BENIGN_LANGOPT(HeinousExtensions , 1, 0, "Extensions that we really don't like and may be ripped out at any time") 96 LANGOPT(Modules , 1, 0, "modules extension to C") 97 LANGOPT(Optimize , 1, 0, "__OPTIMIZE__ predefined macro") 98 LANGOPT(OptimizeSize , 1, 0, "__OPTIMIZE_SIZE__ predefined macro") 99 LANGOPT(Static , 1, 0, "__STATIC__ predefined macro (as opposed to __DYNAMIC__)") 100 VALUE_LANGOPT(PackStruct , 32, 0, 101 "default struct packing maximum alignment") 102 VALUE_LANGOPT(PICLevel , 2, 0, "__PIC__ level") 103 VALUE_LANGOPT(PIELevel , 2, 0, "__PIE__ level") 104 LANGOPT(GNUInline , 1, 0, "GNU inline semantics") 105 LANGOPT(NoInlineDefine , 1, 0, "__NO_INLINE__ predefined macro") 106 LANGOPT(Deprecated , 1, 0, "__DEPRECATED predefined macro") 107 LANGOPT(FastMath , 1, 0, "__FAST_MATH__ predefined macro") 108 LANGOPT(FiniteMathOnly , 1, 0, "__FINITE_MATH_ONLY__ predefined macro") 109 110 BENIGN_LANGOPT(ObjCGCBitmapPrint , 1, 0, "printing of GC's bitmap layout for __weak/__strong ivars") 111 112 BENIGN_LANGOPT(AccessControl , 1, 1, "C++ access control") 113 LANGOPT(CharIsSigned , 1, 1, "signed char") 114 LANGOPT(ShortWChar , 1, 0, "unsigned short wchar_t") 115 116 LANGOPT(ShortEnums , 1, 0, "short enum types") 117 118 LANGOPT(OpenCL , 1, 0, "OpenCL") 119 LANGOPT(OpenCLVersion , 32, 0, "OpenCL version") 120 LANGOPT(NativeHalfType , 1, 0, "Native half type support") 121 LANGOPT(CUDA , 1, 0, "CUDA") 122 LANGOPT(OpenMP , 1, 0, "OpenMP support") 123 LANGOPT(Renderscript , 1, 0, "Renderscript") 124 125 LANGOPT(AssumeSaneOperatorNew , 1, 1, "implicit __attribute__((malloc)) for C++'s new operators") 126 BENIGN_LANGOPT(ElideConstructors , 1, 1, "C++ copy constructor elision") 127 BENIGN_LANGOPT(DumpRecordLayouts , 1, 0, "dumping the layout of IRgen'd records") 128 BENIGN_LANGOPT(DumpRecordLayoutsSimple , 1, 0, "dumping the layout of IRgen'd records in a simple form") 129 BENIGN_LANGOPT(DumpVTableLayouts , 1, 0, "dumping the layouts of emitted vtables") 130 LANGOPT(NoConstantCFStrings , 1, 0, "no constant CoreFoundation strings") 131 BENIGN_LANGOPT(InlineVisibilityHidden , 1, 0, "hidden default visibility for inline C++ methods") 132 BENIGN_LANGOPT(ParseUnknownAnytype, 1, 0, "__unknown_anytype") 133 BENIGN_LANGOPT(DebuggerSupport , 1, 0, "debugger support") 134 BENIGN_LANGOPT(DebuggerCastResultToId, 1, 0, "for 'po' in the debugger, cast the result to id if it is of unknown type") 135 BENIGN_LANGOPT(DebuggerObjCLiteral , 1, 0, "debugger Objective-C literals and subscripting support") 136 137 BENIGN_LANGOPT(SpellChecking , 1, 1, "spell-checking") 138 LANGOPT(SinglePrecisionConstants , 1, 0, "treating double-precision floating point constants as single precision constants") 139 LANGOPT(FastRelaxedMath , 1, 0, "OpenCL fast relaxed math") 140 LANGOPT(DefaultFPContract , 1, 0, "FP_CONTRACT") 141 LANGOPT(NoBitFieldTypeAlign , 1, 0, "bit-field type alignment") 142 LANGOPT(HexagonQdsp6Compat , 1, 0, "hexagon-qdsp6 backward compatibility") 143 LANGOPT(ObjCAutoRefCount , 1, 0, "Objective-C automated reference counting") 144 LANGOPT(ObjCARCWeak , 1, 0, "__weak support in the ARC runtime") 145 LANGOPT(FakeAddressSpaceMap , 1, 0, "OpenCL fake address space map") 146 147 LANGOPT(MRTD , 1, 0, "-mrtd calling convention") 148 BENIGN_LANGOPT(DelayedTemplateParsing , 1, 0, "delayed template parsing") 149 LANGOPT(BlocksRuntimeOptional , 1, 0, "optional blocks runtime") 150 151 ENUM_LANGOPT(GC, GCMode, 2, NonGC, "Objective-C Garbage Collection mode") 152 ENUM_LANGOPT(ValueVisibilityMode, Visibility, 3, DefaultVisibility, 153 "value symbol visibility") 154 ENUM_LANGOPT(TypeVisibilityMode, Visibility, 3, DefaultVisibility, 155 "type symbol visibility") 156 ENUM_LANGOPT(StackProtector, StackProtectorMode, 2, SSPOff, 157 "stack protector mode") 158 ENUM_LANGOPT(SignedOverflowBehavior, SignedOverflowBehaviorTy, 2, SOB_Undefined, 159 "signed integer overflow handling") 160 161 BENIGN_LANGOPT(InstantiationDepth, 32, 256, 162 "maximum template instantiation depth") 163 BENIGN_LANGOPT(ConstexprCallDepth, 32, 512, 164 "maximum constexpr call depth") 165 BENIGN_LANGOPT(ConstexprStepLimit, 32, 1048576, 166 "maximum constexpr evaluation steps") 167 BENIGN_LANGOPT(BracketDepth, 32, 256, 168 "maximum bracket nesting depth") 169 BENIGN_LANGOPT(NumLargeByValueCopy, 32, 0, 170 "if non-zero, warn about parameter or return Warn if parameter/return value is larger in bytes than this setting. 0 is no check.") 171 VALUE_LANGOPT(MSCVersion, 32, 0, 172 "version of Microsoft Visual C/C++") 173 174 LANGOPT(ApplePragmaPack, 1, 0, "Apple gcc-compatible #pragma pack handling") 175 176 BENIGN_LANGOPT(RetainCommentsFromSystemHeaders, 1, 0, "retain documentation comments from system headers in the AST") 177 178 #undef LANGOPT 179 #undef VALUE_LANGOPT 180 #undef BENIGN_LANGOPT 181 #undef ENUM_LANGOPT 182 #undef BENIGN_ENUM_LANGOPT 183 184