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Diffstat (limited to 'include/clang/Basic/LangOptions.h')
| -rw-r--r-- | include/clang/Basic/LangOptions.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/include/clang/Basic/LangOptions.h b/include/clang/Basic/LangOptions.h new file mode 100644 index 0000000..92370cd --- /dev/null +++ b/include/clang/Basic/LangOptions.h @@ -0,0 +1,157 @@ +//===--- LangOptions.h - C Language Family Language Options -----*- 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 LangOptions interface. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_LANGOPTIONS_H +#define LLVM_CLANG_LANGOPTIONS_H + +namespace clang { + +/// LangOptions - This class keeps track of the various options that can be +/// enabled, which controls the dialect of C that is accepted. +class LangOptions { +public: + unsigned Trigraphs : 1; // Trigraphs in source files. + unsigned BCPLComment : 1; // BCPL-style '//' comments. + unsigned DollarIdents : 1; // '$' allowed in identifiers. + unsigned AsmPreprocessor : 1; // Preprocessor in asm mode. + unsigned GNUMode : 1; // True in gnu99 mode false in c99 mode (etc) + unsigned ImplicitInt : 1; // C89 implicit 'int'. + unsigned Digraphs : 1; // C94, C99 and C++ + unsigned HexFloats : 1; // C99 Hexadecimal float constants. + unsigned C99 : 1; // C99 Support + unsigned Microsoft : 1; // Microsoft extensions. + unsigned CPlusPlus : 1; // C++ Support + unsigned CPlusPlus0x : 1; // C++0x Support + unsigned CXXOperatorNames : 1; // Treat C++ operator names as keywords. + + unsigned ObjC1 : 1; // Objective-C 1 support enabled. + unsigned ObjC2 : 1; // Objective-C 2 support enabled. + unsigned ObjCSenderDispatch: 1; // Objective-C 2 three-dimensional dispatch + // enabled. + unsigned ObjCNonFragileABI : 1; // Objective-C modern abi enabled + + unsigned PascalStrings : 1; // Allow Pascal strings + unsigned WritableStrings : 1; // Allow writable strings + unsigned LaxVectorConversions : 1; + unsigned Exceptions : 1; // Support exception handling. + + unsigned NeXTRuntime : 1; // Use NeXT runtime. + unsigned Freestanding : 1; // Freestanding implementation + unsigned NoBuiltin : 1; // Do not use builtin functions (-fno-builtin) + + unsigned ThreadsafeStatics : 1; // Whether static initializers are protected + // by locks. + unsigned Blocks : 1; // block extension to C + unsigned EmitAllDecls : 1; // Emit all declarations, even if + // they are unused. + unsigned MathErrno : 1; // Math functions must respect errno + // (modulo the platform support). + + unsigned OverflowChecking : 1; // Extension to call a handler function when + // signed integer arithmetic overflows. + + unsigned HeinousExtensions : 1; // Extensions that we really don't like and + // may be ripped out at any time. + + unsigned Optimize : 1; // Whether __OPTIMIZE__ should be defined. + unsigned OptimizeSize : 1; // Whether __OPTIMIZE_SIZE__ should be + // defined. + unsigned Static : 1; // Should __STATIC__ be defined (as + // opposed to __DYNAMIC__). + unsigned PICLevel : 2; // The value for __PIC__, if non-zero. + + unsigned GNUInline : 1; // Should GNU inline semantics be + // used (instead of C99 semantics). + unsigned NoInline : 1; // Should __NO_INLINE__ be defined. + + unsigned ObjCGCBitmapPrint : 1; // Enable printing of gc's bitmap layout + // for __weak/__strong ivars. + + unsigned AccessControl : 1; // Whether C++ access control should + // be enabled. +private: + unsigned GC : 2; // Objective-C Garbage Collection modes. We declare + // this enum as unsigned because MSVC insists on making enums + // signed. Set/Query this value using accessors. + unsigned SymbolVisibility : 3; // Symbol's visibility. + + /// The user provided name for the "main file", if non-null. This is + /// useful in situations where the input file name does not match + /// the original input file, for example with -save-temps. + const char *MainFileName; + +public: + unsigned InstantiationDepth; // Maximum template instantiation depth. + + enum GCMode { NonGC, GCOnly, HybridGC }; + enum VisibilityMode { + Default, + Protected, + Hidden + }; + + LangOptions() { + Trigraphs = BCPLComment = DollarIdents = AsmPreprocessor = 0; + GNUMode = ImplicitInt = Digraphs = 0; + HexFloats = 0; + GC = ObjC1 = ObjC2 = ObjCNonFragileABI = 0; + C99 = Microsoft = CPlusPlus = CPlusPlus0x = 0; + CXXOperatorNames = PascalStrings = WritableStrings = 0; + Exceptions = NeXTRuntime = Freestanding = NoBuiltin = 0; + LaxVectorConversions = 1; + HeinousExtensions = 0; + + SymbolVisibility = (unsigned) Default; + + // FIXME: The default should be 1. + ThreadsafeStatics = 0; + Blocks = 0; + EmitAllDecls = 0; + MathErrno = 1; + + // FIXME: The default should be 1. + AccessControl = 0; + + OverflowChecking = 0; + ObjCGCBitmapPrint = 0; + ObjCSenderDispatch = 0; + + InstantiationDepth = 99; + + Optimize = 0; + OptimizeSize = 0; + + Static = 0; + PICLevel = 0; + + GNUInline = 0; + NoInline = 0; + + MainFileName = 0; + } + + GCMode getGCMode() const { return (GCMode) GC; } + void setGCMode(GCMode m) { GC = (unsigned) m; } + + const char *getMainFileName() const { return MainFileName; } + void setMainFileName(const char *Name) { MainFileName = Name; } + + VisibilityMode getVisibilityMode() const { + return (VisibilityMode) SymbolVisibility; + } + void setVisibilityMode(VisibilityMode v) { SymbolVisibility = (unsigned) v; } +}; + +} // end namespace clang + +#endif |
