/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/AST/StmtIterator.h
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1 | | //===- StmtIterator.h - Iterators for Statements ----------------*- 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 StmtIterator and ConstStmtIterator classes. |
10 | | // |
11 | | //===----------------------------------------------------------------------===// |
12 | | |
13 | | #ifndef LLVM_CLANG_AST_STMTITERATOR_H |
14 | | #define LLVM_CLANG_AST_STMTITERATOR_H |
15 | | |
16 | | #include <cassert> |
17 | | #include <cstddef> |
18 | | #include <cstdint> |
19 | | #include <iterator> |
20 | | |
21 | | namespace clang { |
22 | | |
23 | | class Decl; |
24 | | class Stmt; |
25 | | class VariableArrayType; |
26 | | |
27 | | class StmtIteratorBase { |
28 | | protected: |
29 | | enum { |
30 | | StmtMode = 0x0, |
31 | | SizeOfTypeVAMode = 0x1, |
32 | | DeclGroupMode = 0x2, |
33 | | Flags = 0x3 |
34 | | }; |
35 | | |
36 | | union { |
37 | | Stmt **stmt; |
38 | | Decl **DGI; |
39 | | }; |
40 | | uintptr_t RawVAPtr = 0; |
41 | | Decl **DGE; |
42 | | |
43 | 114M | StmtIteratorBase(Stmt **s) : stmt(s) {} |
44 | | StmtIteratorBase(const VariableArrayType *t); |
45 | | StmtIteratorBase(Decl **dgi, Decl **dge); |
46 | 99.4M | StmtIteratorBase() : stmt(nullptr) {} |
47 | | |
48 | 1.08M | bool inDeclGroup() const { |
49 | 1.08M | return (RawVAPtr & Flags) == DeclGroupMode; |
50 | 1.08M | } |
51 | | |
52 | 65 | bool inSizeOfTypeVA() const { |
53 | 65 | return (RawVAPtr & Flags) == SizeOfTypeVAMode; |
54 | 65 | } |
55 | | |
56 | 163M | bool inStmt() const { |
57 | 163M | return (RawVAPtr & Flags) == StmtMode; |
58 | 163M | } |
59 | | |
60 | 1.33M | const VariableArrayType *getVAPtr() const { |
61 | 1.33M | return reinterpret_cast<const VariableArrayType*>(RawVAPtr & ~Flags); |
62 | 1.33M | } |
63 | | |
64 | 8.76k | void setVAPtr(const VariableArrayType *P) { |
65 | 8.76k | assert(inDeclGroup() || inSizeOfTypeVA()); |
66 | 0 | RawVAPtr = reinterpret_cast<uintptr_t>(P) | (RawVAPtr & Flags); |
67 | 8.76k | } |
68 | | |
69 | | void NextDecl(bool ImmediateAdvance = true); |
70 | | bool HandleDecl(Decl* D); |
71 | | void NextVA(); |
72 | | |
73 | | Stmt*& GetDeclExpr() const; |
74 | | }; |
75 | | |
76 | | template <typename DERIVED, typename REFERENCE> |
77 | | class StmtIteratorImpl : public StmtIteratorBase { |
78 | | protected: |
79 | 121M | StmtIteratorImpl(const StmtIteratorBase& RHS) : StmtIteratorBase(RHS) {} clang::StmtIteratorImpl<clang::StmtIterator, clang::Stmt*&>::StmtIteratorImpl(clang::StmtIteratorBase const&) Line | Count | Source | 79 | 805k | StmtIteratorImpl(const StmtIteratorBase& RHS) : StmtIteratorBase(RHS) {} |
clang::StmtIteratorImpl<clang::ConstStmtIterator, clang::Stmt const*>::StmtIteratorImpl(clang::StmtIteratorBase const&) Line | Count | Source | 79 | 121M | StmtIteratorImpl(const StmtIteratorBase& RHS) : StmtIteratorBase(RHS) {} |
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80 | | |
81 | | public: |
82 | | using iterator_category = std::forward_iterator_tag; |
83 | | using value_type = REFERENCE; |
84 | | using difference_type = std::ptrdiff_t; |
85 | | using pointer = REFERENCE; |
86 | | using reference = REFERENCE; |
87 | | |
88 | 99.4M | StmtIteratorImpl() = default; clang::StmtIteratorImpl<clang::ConstStmtIterator, clang::Stmt const*>::StmtIteratorImpl() Line | Count | Source | 88 | 373k | StmtIteratorImpl() = default; |
clang::StmtIteratorImpl<clang::StmtIterator, clang::Stmt*&>::StmtIteratorImpl() Line | Count | Source | 88 | 99.0M | StmtIteratorImpl() = default; |
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89 | 114M | StmtIteratorImpl(Stmt **s) : StmtIteratorBase(s) {} clang::StmtIteratorImpl<clang::StmtIterator, clang::Stmt*&>::StmtIteratorImpl(clang::Stmt**) Line | Count | Source | 89 | 114M | StmtIteratorImpl(Stmt **s) : StmtIteratorBase(s) {} |
clang::StmtIteratorImpl<clang::ConstStmtIterator, clang::Stmt const*>::StmtIteratorImpl(clang::Stmt**) Line | Count | Source | 89 | 434k | StmtIteratorImpl(Stmt **s) : StmtIteratorBase(s) {} |
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90 | 577k | StmtIteratorImpl(Decl **dgi, Decl **dge) : StmtIteratorBase(dgi, dge) {} |
91 | 28 | StmtIteratorImpl(const VariableArrayType *t) : StmtIteratorBase(t) {} |
92 | | |
93 | 82.1M | DERIVED& operator++() { |
94 | 82.1M | if (inStmt()) |
95 | 81.9M | ++stmt; |
96 | 249k | else if (getVAPtr()) |
97 | 5.33k | NextVA(); |
98 | 244k | else |
99 | 244k | NextDecl(); |
100 | | |
101 | 82.1M | return static_cast<DERIVED&>(*this); |
102 | 82.1M | } clang::StmtIteratorImpl<clang::ConstStmtIterator, clang::Stmt const*>::operator++() Line | Count | Source | 93 | 48.8M | DERIVED& operator++() { | 94 | 48.8M | if (inStmt()) | 95 | 48.8M | ++stmt; | 96 | 55.8k | else if (getVAPtr()) | 97 | 1.86k | NextVA(); | 98 | 53.9k | else | 99 | 53.9k | NextDecl(); | 100 | | | 101 | 48.8M | return static_cast<DERIVED&>(*this); | 102 | 48.8M | } |
clang::StmtIteratorImpl<clang::StmtIterator, clang::Stmt*&>::operator++() Line | Count | Source | 93 | 33.2M | DERIVED& operator++() { | 94 | 33.2M | if (inStmt()) | 95 | 33.0M | ++stmt; | 96 | 193k | else if (getVAPtr()) | 97 | 3.46k | NextVA(); | 98 | 190k | else | 99 | 190k | NextDecl(); | 100 | | | 101 | 33.2M | return static_cast<DERIVED&>(*this); | 102 | 33.2M | } |
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103 | | |
104 | 2.67k | DERIVED operator++(int) { |
105 | 2.67k | DERIVED tmp = static_cast<DERIVED&>(*this); |
106 | 2.67k | operator++(); |
107 | 2.67k | return tmp; |
108 | 2.67k | } clang::StmtIteratorImpl<clang::StmtIterator, clang::Stmt*&>::operator++(int) Line | Count | Source | 104 | 2.67k | DERIVED operator++(int) { | 105 | 2.67k | DERIVED tmp = static_cast<DERIVED&>(*this); | 106 | 2.67k | operator++(); | 107 | 2.67k | return tmp; | 108 | 2.67k | } |
Unexecuted instantiation: clang::StmtIteratorImpl<clang::ConstStmtIterator, clang::Stmt const*>::operator++(int) |
109 | | |
110 | 193M | friend bool operator==(const DERIVED &LHS, const DERIVED &RHS) { |
111 | 193M | return LHS.stmt == RHS.stmt && LHS.DGI == RHS.DGI109M && |
112 | 193M | LHS.RawVAPtr == RHS.RawVAPtr109M ; |
113 | 193M | } clang::operator==(clang::StmtIterator const&, clang::StmtIterator const&) Line | Count | Source | 110 | 82.0M | friend bool operator==(const DERIVED &LHS, const DERIVED &RHS) { | 111 | 82.0M | return LHS.stmt == RHS.stmt && LHS.DGI == RHS.DGI48.7M && | 112 | 82.0M | LHS.RawVAPtr == RHS.RawVAPtr48.7M ; | 113 | 82.0M | } |
clang::operator==(clang::ConstStmtIterator const&, clang::ConstStmtIterator const&) Line | Count | Source | 110 | 111M | friend bool operator==(const DERIVED &LHS, const DERIVED &RHS) { | 111 | 111M | return LHS.stmt == RHS.stmt && LHS.DGI == RHS.DGI60.5M && | 112 | 111M | LHS.RawVAPtr == RHS.RawVAPtr60.5M ; | 113 | 111M | } |
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114 | | |
115 | 191M | friend bool operator!=(const DERIVED &LHS, const DERIVED &RHS) { |
116 | 191M | return !(LHS == RHS); |
117 | 191M | } clang::operator!=(clang::StmtIterator const&, clang::StmtIterator const&) Line | Count | Source | 115 | 81.9M | friend bool operator!=(const DERIVED &LHS, const DERIVED &RHS) { | 116 | 81.9M | return !(LHS == RHS); | 117 | 81.9M | } |
clang::operator!=(clang::ConstStmtIterator const&, clang::ConstStmtIterator const&) Line | Count | Source | 115 | 109M | friend bool operator!=(const DERIVED &LHS, const DERIVED &RHS) { | 116 | 109M | return !(LHS == RHS); | 117 | 109M | } |
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118 | | |
119 | 81.8M | REFERENCE operator*() const { |
120 | 81.8M | return inStmt() ? *stmt81.5M : GetDeclExpr()249k ; |
121 | 81.8M | } clang::StmtIteratorImpl<clang::StmtIterator, clang::Stmt*&>::operator*() const Line | Count | Source | 119 | 32.8M | REFERENCE operator*() const { | 120 | 32.8M | return inStmt() ? *stmt32.6M : GetDeclExpr()193k ; | 121 | 32.8M | } |
clang::StmtIteratorImpl<clang::ConstStmtIterator, clang::Stmt const*>::operator*() const Line | Count | Source | 119 | 48.9M | REFERENCE operator*() const { | 120 | 48.9M | return inStmt() ? *stmt48.8M : GetDeclExpr()55.8k ; | 121 | 48.9M | } |
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122 | | |
123 | | REFERENCE operator->() const { return operator*(); } |
124 | | }; |
125 | | |
126 | | struct ConstStmtIterator; |
127 | | |
128 | | struct StmtIterator : public StmtIteratorImpl<StmtIterator, Stmt*&> { |
129 | 99.0M | explicit StmtIterator() = default; |
130 | 114M | StmtIterator(Stmt** S) : StmtIteratorImpl<StmtIterator, Stmt*&>(S) {} |
131 | | StmtIterator(Decl** dgi, Decl** dge) |
132 | 577k | : StmtIteratorImpl<StmtIterator, Stmt*&>(dgi, dge) {} |
133 | | StmtIterator(const VariableArrayType *t) |
134 | 28 | : StmtIteratorImpl<StmtIterator, Stmt*&>(t) {} |
135 | | |
136 | | private: |
137 | | StmtIterator(const StmtIteratorBase &RHS) |
138 | 805k | : StmtIteratorImpl<StmtIterator, Stmt *&>(RHS) {} |
139 | | |
140 | | inline friend StmtIterator |
141 | | cast_away_const(const ConstStmtIterator &RHS); |
142 | | }; |
143 | | |
144 | | struct ConstStmtIterator : public StmtIteratorImpl<ConstStmtIterator, |
145 | | const Stmt*> { |
146 | 373k | explicit ConstStmtIterator() = default; |
147 | | ConstStmtIterator(const StmtIterator& RHS) |
148 | 121M | : StmtIteratorImpl<ConstStmtIterator, const Stmt*>(RHS) {} |
149 | | |
150 | | ConstStmtIterator(Stmt * const *S) |
151 | | : StmtIteratorImpl<ConstStmtIterator, const Stmt *>( |
152 | 434k | const_cast<Stmt **>(S)) {} |
153 | | }; |
154 | | |
155 | 805k | inline StmtIterator cast_away_const(const ConstStmtIterator &RHS) { |
156 | 805k | return RHS; |
157 | 805k | } |
158 | | |
159 | | } // namespace clang |
160 | | |
161 | | #endif // LLVM_CLANG_AST_STMTITERATOR_H |