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Diffstat (limited to 'include/clang/AST/Builtins.h')
-rw-r--r-- | include/clang/AST/Builtins.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/include/clang/AST/Builtins.h b/include/clang/AST/Builtins.h new file mode 100644 index 0000000000..682031f7be --- /dev/null +++ b/include/clang/AST/Builtins.h @@ -0,0 +1,72 @@ +//===--- Builtins.h - Builtin function header -------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by Chris Lattner and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines enum values for all the target-independent builtin +// functions. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_AST_BUILTINS_H +#define LLVM_CLANG_AST_BUILTINS_H + +#include <cstring> + +namespace clang { + class TargetInfo; + class IdentifierTable; + class ASTContext; + class QualType; + +namespace Builtin { +enum ID { + NotBuiltin = 0, // This is not a builtin function. +#define BUILTIN(ID, TYPE, ATTRS) BI##ID, +#include "clang/AST/Builtins.def" + FirstTSBuiltin +}; + +struct Info { + const char *Name, *Type, *Attributes; + + bool operator==(const Info &RHS) const { + return !strcmp(Name, RHS.Name) && + !strcmp(Type, RHS.Type) && + !strcmp(Attributes, RHS.Attributes); + } + bool operator!=(const Info &RHS) const { return !(*this == RHS); } +}; + +/// Builtin::Context - This holds information about target-independent and +/// target-specific builtins, allowing easy queries by clients. +class Context { + const Info *TSRecords; + unsigned NumTSRecords; +public: + Context() : TSRecords(0), NumTSRecords(0) {} + + /// InitializeBuiltins - Mark the identifiers for all the builtins with their + /// appropriate builtin ID # and mark any non-portable builtin identifiers as + /// such. + void InitializeBuiltins(IdentifierTable &Table, const TargetInfo &Target); + + /// Builtin::GetName - Return the identifier name for the specified builtin, + /// e.g. "__builtin_abs". + const char *GetName(unsigned ID) const { + return GetRecord(ID).Name; + } + + /// GetBuiltinType - Return the type for the specified builtin. + QualType GetBuiltinType(unsigned ID, ASTContext &Context) const; +private: + const Info &GetRecord(unsigned ID) const; +}; + +} +} // end namespace clang +#endif |