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//===--- CFGStmtMap.h - Map from Stmt* to CFGBlock* -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// 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 CFG;
class CFGBlock;
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));
}
};
} // namespace clang
#endif
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