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 | CFGStmtMap(const CFGStmtMap &) = delete; |
30 | CFGStmtMap &operator=(const CFGStmtMap &) = delete; |
31 | |
32 | public: |
33 | ~CFGStmtMap(); |
34 | |
35 | /// Returns a new CFGMap for the given CFG. It is the caller's |
36 | /// responsibility to 'delete' this object when done using it. |
37 | static CFGStmtMap *Build(CFG* C, ParentMap *PM); |
38 | |
39 | /// Returns the CFGBlock the specified Stmt* appears in. For Stmt* that |
40 | /// are terminators, the CFGBlock is the block they appear as a terminator, |
41 | /// and not the block they appear as a block-level expression (e.g, '&&'). |
42 | /// CaseStmts and LabelStmts map to the CFGBlock they label. |
43 | CFGBlock *getBlock(Stmt * S); |
44 | |
45 | const CFGBlock *getBlock(const Stmt * S) const { |
46 | return const_cast<CFGStmtMap*>(this)->getBlock(S: const_cast<Stmt*>(S)); |
47 | } |
48 | }; |
49 | |
50 | } // end clang namespace |
51 | #endif |
52 | |