| 1 | //===--- CFGStmtMap.h - Map from Stmt* to CFGBlock* -----------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file defines the CFGStmtMap class, which defines a mapping from |
| 10 | // Stmt* to CFGBlock* |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #ifndef LLVM_CLANG_ANALYSIS_CFGSTMTMAP_H |
| 15 | #define LLVM_CLANG_ANALYSIS_CFGSTMTMAP_H |
| 16 | |
| 17 | #include "clang/Analysis/CFG.h" |
| 18 | |
| 19 | namespace clang { |
| 20 | |
| 21 | class ParentMap; |
| 22 | class Stmt; |
| 23 | |
| 24 | class CFGStmtMap { |
| 25 | ParentMap *PM; |
| 26 | void *M; |
| 27 | |
| 28 | CFGStmtMap(ParentMap *pm, void *m) : PM(pm), M(m) {} |
| 29 | |
| 30 | public: |
| 31 | ~CFGStmtMap(); |
| 32 | |
| 33 | /// Returns a new CFGMap for the given CFG. It is the caller's |
| 34 | /// responsibility to 'delete' this object when done using it. |
| 35 | static CFGStmtMap *Build(CFG* C, ParentMap *PM); |
| 36 | |
| 37 | /// Returns the CFGBlock the specified Stmt* appears in. For Stmt* that |
| 38 | /// are terminators, the CFGBlock is the block they appear as a terminator, |
| 39 | /// and not the block they appear as a block-level expression (e.g, '&&'). |
| 40 | /// CaseStmts and LabelStmts map to the CFGBlock they label. |
| 41 | CFGBlock *getBlock(Stmt * S); |
| 42 | |
| 43 | const CFGBlock *getBlock(const Stmt * S) const { |
| 44 | return const_cast<CFGStmtMap*>(this)->getBlock(const_cast<Stmt*>(S)); |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | } // end clang namespace |
| 49 | #endif |
| 50 |