clang 20.0.0git
ParentMap.h
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1//===--- ParentMap.h - Mappings from Stmts to their Parents -----*- 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 ParentMap class.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_AST_PARENTMAP_H
14#define LLVM_CLANG_AST_PARENTMAP_H
15
16namespace clang {
17class Stmt;
18class Expr;
19
20class ParentMap {
21 void* Impl;
22public:
23 ParentMap(Stmt* ASTRoot);
24 ~ParentMap();
25
26 /// Adds and/or updates the parent/child-relations of the complete
27 /// stmt tree of S. All children of S including indirect descendants are
28 /// visited and updated or inserted but not the parents of S.
29 void addStmt(Stmt* S);
30
31 /// Manually sets the parent of \p S to \p Parent.
32 ///
33 /// If \p S is already in the map, this method will update the mapping.
34 void setParent(const Stmt *S, const Stmt *Parent);
35
36 Stmt *getParent(Stmt*) const;
41
42 const Stmt *getParent(const Stmt* S) const {
43 return getParent(const_cast<Stmt*>(S));
44 }
45
46 const Stmt *getParentIgnoreParens(const Stmt *S) const {
47 return getParentIgnoreParens(const_cast<Stmt*>(S));
48 }
49
50 const Stmt *getParentIgnoreParenCasts(const Stmt *S) const {
51 return getParentIgnoreParenCasts(const_cast<Stmt*>(S));
52 }
53
54 bool hasParent(const Stmt *S) const { return getParent(S) != nullptr; }
55
56 bool isConsumedExpr(Expr *E) const;
57
58 bool isConsumedExpr(const Expr *E) const {
59 return isConsumedExpr(const_cast<Expr*>(E));
60 }
61};
62
63} // end clang namespace
64#endif
NodeId Parent
Definition: ASTDiff.cpp:191
Expr * E
This represents one expression.
Definition: Expr.h:110
bool isConsumedExpr(Expr *E) const
Definition: ParentMap.cpp:175
void addStmt(Stmt *S)
Adds and/or updates the parent/child-relations of the complete stmt tree of S.
Definition: ParentMap.cpp:123
void setParent(const Stmt *S, const Stmt *Parent)
Manually sets the parent of S to Parent.
Definition: ParentMap.cpp:129
Stmt * getOuterParenParent(Stmt *) const
Definition: ParentMap.cpp:166
const Stmt * getParent(const Stmt *S) const
Definition: ParentMap.h:42
Stmt * getParentIgnoreParenImpCasts(Stmt *) const
Definition: ParentMap.cpp:157
const Stmt * getParentIgnoreParenCasts(const Stmt *S) const
Definition: ParentMap.h:50
const Stmt * getParentIgnoreParens(const Stmt *S) const
Definition: ParentMap.h:46
Stmt * getParentIgnoreParenCasts(Stmt *) const
Definition: ParentMap.cpp:148
bool isConsumedExpr(const Expr *E) const
Definition: ParentMap.h:58
Stmt * getParent(Stmt *) const
Definition: ParentMap.cpp:136
Stmt * getParentIgnoreParens(Stmt *) const
Definition: ParentMap.cpp:141
bool hasParent(const Stmt *S) const
Definition: ParentMap.h:54
Stmt - This represents one statement.
Definition: Stmt.h:84
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