clang 20.0.0git
ASTMutationListener.h
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1//===--- ASTMutationListener.h - AST Mutation Interface --------*- 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 ASTMutationListener interface.
10//
11//===----------------------------------------------------------------------===//
12#ifndef LLVM_CLANG_AST_ASTMUTATIONLISTENER_H
13#define LLVM_CLANG_AST_ASTMUTATIONLISTENER_H
14
15namespace clang {
16 class Attr;
17 class ClassTemplateDecl;
18 class ClassTemplateSpecializationDecl;
19 class ConstructorUsingShadowDecl;
20 class CXXDestructorDecl;
21 class CXXRecordDecl;
22 class Decl;
23 class DeclContext;
24 class Expr;
25 class FieldDecl;
26 class FunctionDecl;
27 class FunctionTemplateDecl;
28 class Module;
29 class NamedDecl;
30 class NamespaceDecl;
31 class ObjCCategoryDecl;
32 class ObjCContainerDecl;
33 class ObjCInterfaceDecl;
34 class ObjCPropertyDecl;
35 class ParmVarDecl;
36 class QualType;
37 class RecordDecl;
38 class TagDecl;
39 class TranslationUnitDecl;
40 class ValueDecl;
41 class VarDecl;
42 class VarTemplateDecl;
43 class VarTemplateSpecializationDecl;
44
45/// An abstract interface that should be implemented by listeners
46/// that want to be notified when an AST entity gets modified after its
47/// initial creation.
49public:
51
52 /// A new TagDecl definition was completed.
53 virtual void CompletedTagDefinition(const TagDecl *D) { }
54
55 /// A new declaration with name has been added to a DeclContext.
56 virtual void AddedVisibleDecl(const DeclContext *DC, const Decl *D) {}
57
58 /// An implicit member was added after the definition was completed.
59 virtual void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) {}
60
61 /// A template specialization (or partial one) was added to the
62 /// template declaration.
65
66 /// A template specialization (or partial one) was added to the
67 /// template declaration.
68 virtual void
71
72 /// A template specialization (or partial one) was added to the
73 /// template declaration.
75 const FunctionDecl *D) {}
76
77 /// A function's exception specification has been evaluated or
78 /// instantiated.
79 virtual void ResolvedExceptionSpec(const FunctionDecl *FD) {}
80
81 /// A function's return type has been deduced.
82 virtual void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType);
83
84 /// A virtual destructor's operator delete has been resolved.
86 const FunctionDecl *Delete,
87 Expr *ThisArg) {}
88
89 /// An implicit member got a definition.
91
92 /// The instantiation of a templated function or variable was
93 /// requested. In particular, the point of instantiation and template
94 /// specialization kind of \p D may have changed.
95 virtual void InstantiationRequested(const ValueDecl *D) {}
96
97 /// A templated variable's definition was implicitly instantiated.
99
100 /// A function template's definition was instantiated.
102
103 /// A default argument was instantiated.