//===--- ParentMap.h - Mappings from Stmts to their Parents -----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines the ParentMap class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_PARENTMAP_H
#define LLVM_CLANG_AST_PARENTMAP_H
namespace clang {
class Stmt;
class Expr;
class ParentMap {
void* Impl;
public:
ParentMap(Stmt* ASTRoot);
~ParentMap();
/// Adds and/or updates the parent/child-relations of the complete
/// stmt tree of S. All children of S including indirect descendants are
/// visited and updated or inserted but not the parents of S.
void addStmt(Stmt* S);
/// Manually sets the parent of \p S to \p Parent.
///
/// If \p S is already in the map, this method will update the mapping.
void setParent(const Stmt *S, const Stmt *Parent);
Stmt *getParent(Stmt*) const;
Stmt *getParentIgnoreParens(Stmt *) const;
Stmt *getParentIgnoreParenCasts(Stmt *) const;
Stmt *getParentIgnoreParenImpCasts(Stmt *) const;
Stmt *getOuterParenParent(Stmt *) const;
const Stmt *getParent(const Stmt* S) const {
return getParent(const_cast<Stmt*>(S));
}
const Stmt *getParentIgnoreParens(const Stmt *S) const {
return getParentIgnoreParens(const_cast<Stmt*>(S));
}
const Stmt *getParentIgnoreParenCasts(const Stmt *S) const {
return getParentIgnoreParenCasts(const_cast<Stmt*>(S));
}
bool hasParent(const Stmt *S) const { return getParent(S) != nullptr; }
bool isConsumedExpr(Expr *E) const;
bool isConsumedExpr(const Expr *E) const {
return isConsumedExpr(const_cast<Expr*>(E));
}
};
} // end clang namespace
#endif