1 //===--- ParentMap.h - Mappings from Stmts to their Parents -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the ParentMap class.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_CLANG_AST_PARENTMAP_H
15 #define LLVM_CLANG_AST_PARENTMAP_H
24 ParentMap(Stmt* ASTRoot);
27 /// \brief Adds and/or updates the parent/child-relations of the complete
28 /// stmt tree of S. All children of S including indirect descendants are
29 /// visited and updated or inserted but not the parents of S.
30 void addStmt(Stmt* S);
32 /// Manually sets the parent of \p S to \p Parent.
34 /// If \p S is already in the map, this method will update the mapping.
35 void setParent(const Stmt *S, const Stmt *Parent);
37 Stmt *getParent(Stmt*) const;
38 Stmt *getParentIgnoreParens(Stmt *) const;
39 Stmt *getParentIgnoreParenCasts(Stmt *) const;
40 Stmt *getParentIgnoreParenImpCasts(Stmt *) const;
41 Stmt *getOuterParenParent(Stmt *) const;
43 const Stmt *getParent(const Stmt* S) const {
44 return getParent(const_cast<Stmt*>(S));
47 const Stmt *getParentIgnoreParens(const Stmt *S) const {
48 return getParentIgnoreParens(const_cast<Stmt*>(S));
51 const Stmt *getParentIgnoreParenCasts(const Stmt *S) const {
52 return getParentIgnoreParenCasts(const_cast<Stmt*>(S));
55 bool hasParent(Stmt* S) const {
56 return getParent(S) != nullptr;
59 bool isConsumedExpr(Expr *E) const;
61 bool isConsumedExpr(const Expr *E) const {
62 return isConsumedExpr(const_cast<Expr*>(E));
66 } // end clang namespace