clang  11.0.0git
LocInfoType.h
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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 
38  : Type((TypeClass)LocInfo, ty, ty->getDependence()), DeclInfo(TInfo) {
39  assert(getTypeClass() == (TypeClass)LocInfo && "LocInfo didn't fit in TC?");
40  }
41  friend class Sema;
42 
43 public:
45  TypeSourceInfo *getTypeSourceInfo() const { return DeclInfo; }
46 
47  void getAsStringInternal(std::string &Str,
48  const PrintingPolicy &Policy) const;
49 
50  static bool classof(const Type *T) {
51  return T->getTypeClass() == (TypeClass)LocInfo;
52  }
53 };
54 
55 } // end namespace clang
56 
57 #endif // LLVM_CLANG_SEMA_LOCINFOTYPE_H
A (possibly-)qualified type.
Definition: Type.h:655
C Language Family Type Representation.
The base class of the type hierarchy.
Definition: Type.h:1472
A container of type source information.
Definition: Type.h:6373
QualType getType() const
Definition: LocInfoType.h:44
Describes how types, statements, expressions, and declarations should be printed. ...
Definition: PrettyPrinter.h:49
TypeDependence getDependence() const
Definition: Type.h:2174
void getAsStringInternal(std::string &Str, const PrintingPolicy &Policy) const
Definition: SemaType.cpp:6211
Sema - This implements semantic analysis and AST building for C.
Definition: Sema.h:340
Holds a QualType and a TypeSourceInfo* that came out of a declarator parsing.
Definition: LocInfoType.h:28
TypeClass getTypeClass() const
Definition: Type.h:1884
static bool classof(const Type *T)
Definition: LocInfoType.h:50
Dataflow Directional Tag Classes.
TypeSourceInfo * getTypeSourceInfo() const
Definition: LocInfoType.h:45
QualType getCanonicalTypeInternal() const
Definition: Type.h:2468
Type(TypeClass tc, QualType canon, TypeDependence Dependence)
Definition: Type.h:1853