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;