1 //===--- LocInfoType.h - Parsed Type with Location Information---*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file defines the LocInfoType class, which holds a type and its 10 // source-location information. 11 // 12 //===----------------------------------------------------------------------===// 13 #ifndef LLVM_CLANG_SEMA_LOCINFOTYPE_H 14 #define LLVM_CLANG_SEMA_LOCINFOTYPE_H 15 16 #include "clang/AST/Type.h" 17 18 namespace clang { 19 20 class TypeSourceInfo; 21 22 /// Holds a QualType and a TypeSourceInfo* that came out of a declarator 23 /// parsing. 24 /// 25 /// LocInfoType is a "transient" type, only needed for passing to/from Parser 26 /// and Sema, when we want to preserve type source info for a parsed type. 27 /// It will not participate in the type system semantics in any way. 28 class LocInfoType : public Type { 29 enum { 30 // The last number that can fit in Type's TC. 31 // Avoids conflict with an existing Type class. 32 LocInfo = Type::TypeLast + 1 33 }; 34 35 TypeSourceInfo *DeclInfo; 36 LocInfoType(QualType ty,TypeSourceInfo * TInfo)37 LocInfoType(QualType ty, TypeSourceInfo *TInfo) 38 : Type((TypeClass)LocInfo, ty, ty->isDependentType(), 39 ty->isInstantiationDependentType(), ty->isVariablyModifiedType(), 40 ty->containsUnexpandedParameterPack()), 41 DeclInfo(TInfo) { 42 assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?"); 43 } 44 friend class Sema; 45 46 public: getType()47 QualType getType() const { return getCanonicalTypeInternal(); } getTypeSourceInfo()48 TypeSourceInfo *getTypeSourceInfo() const { return DeclInfo; } 49 50 void getAsStringInternal(std::string &Str, 51 const PrintingPolicy &Policy) const; 52 classof(const Type * T)53 static bool classof(const Type *T) { 54 return T->getTypeClass() == (TypeClass)LocInfo; 55 } 56 }; 57 58 } // end namespace clang 59 60 #endif // LLVM_CLANG_SEMA_LOCINFOTYPE_H 61