Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===--- CFGStmtMap.h - Map from Stmt* to CFGBlock* -----------*- 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 CFGStmtMap class, which defines a mapping from

//  Stmt* to CFGBlock*

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_ANALYSIS_CFGSTMTMAP_H

#define LLVM_CLANG_ANALYSIS_CFGSTMTMAP_H

#include "clang/Analysis/CFG.h"

namespace clang {

class ParentMap;

class Stmt;

class CFGStmtMap {

  ParentMap *PM;

  void *M;

  CFGStmtMap(ParentMap *pm, void *m) : PM(pm), M(m) {}

public:

  ~CFGStmtMap();

  /// Returns a new CFGMap for the given CFG.  It is the caller's

  /// responsibility to 'delete' this object when done using it.

  static CFGStmtMap *Build(CFG* C, ParentMap *PM);

  /// Returns the CFGBlock the specified Stmt* appears in.  For Stmt* that

  /// are terminators, the CFGBlock is the block they appear as a terminator,

  /// and not the block they appear as a block-level expression (e.g, '&&').

  /// CaseStmts and LabelStmts map to the CFGBlock they label.

  CFGBlock *getBlock(Stmt * S);

  const CFGBlock *getBlock(const Stmt * S) const {

    return const_cast<CFGStmtMap*>(this)->getBlock(const_cast<Stmt*>(S));

  }

};

} // end clang namespace

#endif