1 //===--- LocInfoType.h - Parsed Type with Location Information---*- 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 LocInfoType class, which holds a type and its 11 // source-location information. 12 // 13 //===----------------------------------------------------------------------===// 14 #ifndef LLVM_CLANG_SEMA_LOCINFOTYPE_H 15 #define LLVM_CLANG_SEMA_LOCINFOTYPE_H 16 17 #include "clang/AST/Type.h" 18 19 namespace clang { 20 21 class TypeSourceInfo; 22 23 /// \brief Holds a QualType and a TypeSourceInfo* that came out of a declarator 24 /// parsing. 25 /// 26 /// LocInfoType is a "transient" type, only needed for passing to/from Parser 27 /// and Sema, when we want to preserve type source info for a parsed type. 28 /// It will not participate in the type system semantics in any way. 29 class LocInfoType : public Type { 30 enum { 31 // The last number that can fit in Type's TC. 32 // Avoids conflict with an existing Type class. 33 LocInfo = Type::TypeLast + 1 34 }; 35 36 TypeSourceInfo *DeclInfo; 37 38 LocInfoType(QualType ty, TypeSourceInfo *TInfo) 39 : Type((TypeClass)LocInfo, ty, ty->isDependentType(), 40 ty->isInstantiationDependentType(), ty->isVariablyModifiedType(), 41 ty->containsUnexpandedParameterPack()), 42 DeclInfo(TInfo) { 43 assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?"); 44 } 45 friend class Sema; 46 47 public: 48 QualType getType() const { return getCanonicalTypeInternal(); } 49 TypeSourceInfo *getTypeSourceInfo() const { return DeclInfo; } 50 51 void getAsStringInternal(std::string &Str, 52 const PrintingPolicy &Policy) const; 53 54 static bool classof(const Type *T) { 55 return T->getTypeClass() == (TypeClass)LocInfo; 56 } 57 }; 58 59 } // end namespace clang 60 61 #endif // LLVM_CLANG_SEMA_LOCINFOTYPE_H 62
