clang 10.0.0git

ParentMap.h
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1 //===--- ParentMap.h - Mappings from Stmts to their Parents -----*- 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 ParentMap class.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #ifndef LLVM_CLANG_AST_PARENTMAP_H
14 #define LLVM_CLANG_AST_PARENTMAP_H
15
16 namespace clang {
17 class Stmt;
18 class Expr;
19
20 class ParentMap {
21 void* Impl;
22 public:
23 ParentMap(Stmt* ASTRoot);
24 ~ParentMap();
25
26 /// Adds and/or updates the parent/child-relations of the complete
27 /// stmt tree of S. All children of S including indirect descendants are
28 /// visited and updated or inserted but not the parents of S.
29 void addStmt(Stmt* S);
30
31 /// Manually sets the parent of \p S to \p Parent.
32 ///
33 /// If \p S is already in the map, this method will update the mapping.
34 void setParent(const Stmt *S, const Stmt *Parent);
35
36 Stmt *getParent(Stmt*) const;
37 Stmt *getParentIgnoreParens(Stmt *) const;
38 Stmt *getParentIgnoreParenCasts(Stmt *) const;
39 Stmt *getParentIgnoreParenImpCasts(Stmt *) const;
40 Stmt *getOuterParenParent(Stmt *) const;
41
42 const Stmt *getParent(const Stmt* S) const {
43 return getParent(const_cast<Stmt*>(S));
44 }
45
46 const Stmt *getParentIgnoreParens(const Stmt *S) const {
47 return getParentIgnoreParens(const_cast<Stmt*>(S));
48 }
49
50 const Stmt *getParentIgnoreParenCasts(const Stmt *S) const {
51 return getParentIgnoreParenCasts(const_cast<Stmt*>(S));
52 }
53
54 bool hasParent(Stmt* S) const {
55 return getParent(S) != nullptr;
56 }
57
58 bool isConsumedExpr(Expr *E) const;
59
60 bool isConsumedExpr(const Expr *E) const {
61 return isConsumedExpr(const_cast<Expr*>(E));
62 }
63 };
64
65 } // end clang namespace
66 #endif
clang::ParentMap
Definition: ParentMap.h:20
clang::Stmt
Stmt - This represents one statement.
Definition: Stmt.h:66
clang::ParentMap::getParent
Stmt * getParent(Stmt *) const
Definition: ParentMap.cpp:134
clang::ParentMap::isConsumedExpr
bool isConsumedExpr(Expr *E) const
Definition: ParentMap.cpp:171
clang::ParentMap::getParentIgnoreParens
const Stmt * getParentIgnoreParens(const Stmt *S) const
Definition: ParentMap.h:46
clang::ParentMap::addStmt
void addStmt(Stmt *S)
Adds and/or updates the parent/child-relations of the complete stmt tree of S.
Definition: ParentMap.cpp:121
clang::ParentMap::~ParentMap
~ParentMap()
Definition: ParentMap.cpp:117
clang::ParentMap::setParent
void setParent(const Stmt *S, const Stmt *Parent)
Manually sets the parent of S to Parent.
Definition: ParentMap.cpp:127
Parent
NodeId Parent
Definition: ASTDiff.cpp:191
clang::ParentMap::getParentIgnoreParenCasts
const Stmt * getParentIgnoreParenCasts(const Stmt *S) const
Definition: ParentMap.h:50
clang::Expr
This represents one expression.
Definition: Expr.h:108
clang::ParentMap::hasParent
bool hasParent(Stmt *S) const
Definition: ParentMap.h:54
clang::ParentMap::getParent
const Stmt * getParent(const Stmt *S) const
Definition: ParentMap.h:42
clang::ParentMap::getParentIgnoreParens
Stmt * getParentIgnoreParens(Stmt *) const
Definition: ParentMap.cpp:140
clang::ParentMap::isConsumedExpr
bool isConsumedExpr(const Expr *E) const
Definition: ParentMap.h:60
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:21
clang::ParentMap::ParentMap
ParentMap(Stmt *ASTRoot)
Definition: ParentMap.cpp:109
clang::ParentMap::getParentIgnoreParenImpCasts
Stmt * getParentIgnoreParenImpCasts(Stmt *) const
Definition: ParentMap.cpp:154
clang::ParentMap::getParentIgnoreParenCasts
Stmt * getParentIgnoreParenCasts(Stmt *) const
Definition: ParentMap.cpp:145
clang::ParentMap::getOuterParenParent
Stmt * getOuterParenParent(Stmt *) const
Definition: ParentMap.cpp:162