Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===--- 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