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1 : // Copyright (C) 2025-2026 Free Software Foundation, Inc.
2 :
3 : // This file is part of GCC.
4 :
5 : // GCC is free software; you can redistribute it and/or modify it under
6 : // the terms of the GNU General Public License as published by the Free
7 : // Software Foundation; either version 3, or (at your option) any later
8 : // version.
9 :
10 : // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
11 : // WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 : // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 : // for more details.
14 :
15 : // You should have received a copy of the GNU General Public License
16 : // along with GCC; see the file COPYING3. If not see
17 : // <http://www.gnu.org/licenses/>.
18 :
19 : #ifndef RUST_AST_POINTER_VISITOR_H
20 : #define RUST_AST_POINTER_VISITOR_H
21 :
22 : #include "rust-ast-visitor.h"
23 : #include "rust-ast.h"
24 : #include "rust-item.h"
25 :
26 : namespace Rust {
27 : namespace AST {
28 :
29 : /**
30 : * Regular AST visitor which may reseat pointers when necessary.
31 : */
32 10347 : class PointerVisitor : public DefaultASTVisitor
33 : {
34 : public:
35 : using DefaultASTVisitor::visit;
36 :
37 0 : virtual void reseat (std::unique_ptr<AST::Expr> &ptr) { visit (ptr); }
38 26510 : virtual void reseat (std::unique_ptr<AST::BlockExpr> &ptr) { visit (ptr); }
39 :
40 22481 : virtual void reseat (std::unique_ptr<AST::Stmt> &ptr) { visit (ptr); }
41 :
42 23389 : virtual void reseat (std::unique_ptr<AST::Item> &ptr) { visit (ptr); }
43 :
44 11565 : virtual void reseat (std::unique_ptr<AST::AssociatedItem> &ptr)
45 : {
46 11565 : visit (ptr);
47 11565 : }
48 :
49 2214 : virtual void reseat (std::unique_ptr<AST::ExternalItem> &ptr) { visit (ptr); }
50 :
51 41173 : virtual void reseat (std::unique_ptr<AST::Type> &ptr) { visit (ptr); }
52 :
53 16135 : virtual void reseat (std::unique_ptr<AST::TypeNoBounds> &ptr) { visit (ptr); }
54 :
55 29147 : virtual void reseat (std::unique_ptr<AST::Pattern> &ptr) { visit (ptr); }
56 :
57 : void visit (AST::Crate &crate) override;
58 : void visit (AST::AttrInputMetaItemContainer &input) override;
59 : void visit (AST::IdentifierExpr &ident_expr) override;
60 : void visit (AST::LifetimeParam &lifetime_param) override;
61 : void visit (AST::ConstGenericParam &const_param) override;
62 : void visit (AST::PathInExpression &path) override;
63 : void visit (GenericArgsBinding &binding) override;
64 : void visit (AST::TypePathSegmentGeneric &segment) override;
65 : void visit (AST::TypePathFunction &tpf) override;
66 : void visit (AST::TypePathSegmentFunction &segment) override;
67 : void visit (AST::GenericArgs &args) override;
68 : void visit (AST::PathExprSegment &segment) override;
69 : void visit (AST::TypePath &path) override;
70 : void visit (AST::QualifiedPathInExpression &path) override;
71 : void visit (AST::QualifiedPathType &path) override;
72 : void visit (AST::QualifiedPathInType &path) override;
73 : void visit (AST::LiteralExpr &expr) override;
74 : void visit (AST::AttrInputLiteral &attr_input) override;
75 : void visit (AST::AttrInputMacro &attr_input) override;
76 : void visit (AST::MetaItemLitExpr &meta_item) override;
77 : void visit (AST::SimplePath &path) override;
78 : void visit (AST::MetaItemPathExpr &meta_item) override;
79 : void visit (AST::BorrowExpr &expr) override;
80 : void visit (AST::DereferenceExpr &expr) override;
81 : void visit (AST::ErrorPropagationExpr &expr) override;
82 : void visit (AST::NegationExpr &expr) override;
83 : void visit (AST::ArithmeticOrLogicalExpr &expr) override;
84 : void visit (AST::ComparisonExpr &expr) override;
85 : void visit (AST::LazyBooleanExpr &expr) override;
86 : void visit (AST::TypeCastExpr &expr) override;
87 : void visit (AST::AssignmentExpr &expr) override;
88 : void visit (AST::CompoundAssignmentExpr &expr) override;
89 : void visit (AST::GroupedExpr &expr) override;
90 : void visit (AST::ArrayElemsValues &elems) override;
91 : void visit (AST::ArrayElemsCopied &elems) override;
92 : void visit (AST::ArrayExpr &expr) override;
93 : void visit (AST::ArrayIndexExpr &expr) override;
94 : void visit (AST::TupleExpr &expr) override;
95 : void visit (AST::TupleIndexExpr &expr) override;
96 : void visit (AST::StructExprStruct &expr) override;
97 : void visit (AST::StructExprFieldIdentifier &field) override;
98 : void visit (AST::StructExprFieldIdentifierValue &field) override;
99 : void visit (AST::StructExprFieldIndexValue &field) override;
100 : void visit (AST::StructBase &base) override;
101 : void visit (AST::StructExprStructFields &expr) override;
102 : void visit (AST::StructExprStructBase &expr) override;
103 : void visit (AST::CallExpr &expr) override;
104 : void visit (AST::MethodCallExpr &expr) override;
105 : void visit (AST::FieldAccessExpr &expr) override;
106 : void visit (AST::ClosureExprInner &expr) override;
107 : void visit (AST::BlockExpr &expr) override;
108 : void visit (AST::ConstBlock &expr) override;
109 : void visit (AST::AnonConst &expr) override;
110 : void visit (AST::ClosureExprInnerTyped &expr) override;
111 : void visit (AST::ClosureParam ¶m) override;
112 : void visit (AST::ContinueExpr &expr) override;
113 : void visit (AST::BreakExpr &expr) override;
114 : void visit (AST::RangeFromToExpr &expr) override;
115 : void visit (AST::RangeFromExpr &expr) override;
116 : void visit (AST::RangeToExpr &expr) override;
117 : void visit (AST::RangeFullExpr &expr) override;
118 : void visit (AST::RangeFromToInclExpr &expr) override;
119 : void visit (AST::RangeToInclExpr &expr) override;
120 : void visit (AST::ReturnExpr &expr) override;
121 : void visit (AST::TryExpr &expr) override;
122 : void visit (AST::BoxExpr &expr) override;
123 : void visit (AST::UnsafeBlockExpr &expr) override;
124 : void visit (AST::LoopLabel &label) override;
125 : void visit (AST::LoopExpr &expr) override;
126 : void visit (AST::WhileLoopExpr &expr) override;
127 : void visit (AST::WhileLetLoopExpr &expr) override;
128 : void visit (AST::ForLoopExpr &expr) override;
129 : void visit (AST::IfExpr &expr) override;
130 : void visit (AST::IfExprConseqElse &expr) override;
131 : void visit (AST::IfLetExpr &expr) override;
132 : void visit (AST::IfLetExprConseqElse &expr) override;
133 : void visit (AST::MatchArm &arm) override;
134 : void visit (AST::MatchCase &arm) override;
135 : void visit (AST::MatchExpr &expr) override;
136 : void visit (AST::AwaitExpr &expr) override;
137 : void visit (AST::AsyncBlockExpr &expr) override;
138 : void visit (AST::InlineAsm &expr) override;
139 : void visit (AST::LlvmInlineAsm &expr) override;
140 : void visit (AST::TypeParam ¶m) override;
141 : void visit (AST::LifetimeWhereClauseItem &item) override;
142 : void visit (AST::TypeBoundWhereClauseItem &item) override;
143 : void visit (AST::Visibility &vis) override;
144 : void visit (AST::WhereClause &where) override;
145 : void visit (AST::FunctionParam ¶m) override;
146 : void visit (AST::SelfParam ¶m) override;
147 : void visit (AST::Module &module) override;
148 : void visit (AST::ExternCrate &crate) override;
149 : void visit (AST::UseTreeGlob &use_tree) override;
150 : void visit (AST::UseTreeList &use_tree) override;
151 : void visit (AST::UseTreeRebind &use_tree) override;
152 : void visit (AST::UseDeclaration &use_decl) override;
153 : void visit_function_params (AST::Function &function) override;
154 : void visit (AST::Function &function) override;
155 : void visit (AST::TypeAlias &type_alias) override;
156 : void visit (AST::StructField &field) override;
157 : void visit (AST::StructStruct &struct_item) override;
158 : void visit (AST::TupleField &field) override;
159 : void visit (AST::TupleStruct &tuple_struct) override;
160 : void visit (AST::EnumItem &item) override;
161 : void visit (AST::EnumItemTuple &item) override;
162 : void visit (AST::EnumItemStruct &item) override;
163 : void visit (AST::EnumItemDiscriminant &item) override;
164 : void visit (AST::Enum &enum_item) override;
165 : void visit (AST::Union &union_item) override;
166 : void visit (AST::ConstantItem &const_item) override;
167 : void visit (AST::StaticItem &static_item) override;
168 : void visit (AST::TraitItemType &item) override;
169 : void visit (AST::Trait &trait) override;
170 : void visit (AST::InherentImpl &impl) override;
171 : void visit (AST::TraitImpl &impl) override;
172 : void visit (AST::ExternalTypeItem &item) override;
173 : void visit (AST::ExternalStaticItem &item) override;
174 : void visit (AST::ExternBlock &block) override;
175 : void visit (AST::MacroMatchFragment &match) override;
176 : void visit (AST::MacroMatchRepetition &match) override;
177 : void visit (AST::MacroMatcher &matcher) override;
178 : void visit (AST::MacroTranscriber &transcriber) override;
179 : void visit (AST::MacroRule &rule) override;
180 : void visit (AST::MacroRulesDefinition &rules_def) override;
181 : void visit (AST::MacroInvocData &data) override;
182 : void visit (AST::MacroInvocation ¯o_invoc) override;
183 : void visit (AST::MetaItemPath &meta_item) override;
184 : void visit (AST::MetaItemSeq &meta_item) override;
185 : void visit (AST::MetaListPaths &meta_item) override;
186 : void visit (AST::MetaListNameValueStr &meta_item) override;
187 : void visit (AST::IdentifierPattern &pattern) override;
188 : void visit (AST::RangePatternBoundPath &bound) override;
189 : void visit (AST::RangePatternBoundQualPath &bound) override;
190 : void visit (AST::RangePattern &pattern) override;
191 : void visit (AST::ReferencePattern &pattern) override;
192 : void visit (AST::StructPatternFieldTuplePat &field) override;
193 : void visit (AST::StructPatternFieldIdentPat &field) override;
194 : void visit (AST::StructPatternFieldIdent &field) override;
195 : void visit (AST::StructPatternElements &spe) override;
196 : void visit (AST::StructPattern &pattern) override;
197 : void visit (AST::TupleStructItemsNoRest &tuple_items) override;
198 : void visit (AST::TupleStructItemsHasRest &tuple_items) override;
199 : void visit (AST::TupleStructPattern &pattern) override;
200 : void visit (AST::TuplePatternItemsNoRest &tuple_items) override;
201 : void visit (AST::TuplePatternItemsHasRest &tuple_items) override;
202 : void visit (AST::TuplePattern &pattern) override;
203 : void visit (AST::GroupedPattern &pattern) override;
204 : void visit (AST::SlicePatternItemsNoRest &items) override;
205 : void visit (AST::SlicePatternItemsHasRest &items) override;
206 : void visit (AST::SlicePattern &pattern) override;
207 : void visit (AST::AltPattern &pattern) override;
208 : void visit (AST::EmptyStmt &stmt) override;
209 : void visit (AST::LetStmt &stmt) override;
210 : void visit (AST::ExprStmt &stmt) override;
211 : void visit (AST::TraitBound &bound) override;
212 : void visit (AST::ImplTraitType &type) override;
213 : void visit (AST::TraitObjectType &type) override;
214 : void visit (AST::ParenthesisedType &type) override;
215 : void visit (AST::ImplTraitTypeOneBound &type) override;
216 : void visit (AST::TraitObjectTypeOneBound &type) override;
217 : void visit (AST::TupleType &type) override;
218 : void visit (AST::NeverType &type) override;
219 : void visit (AST::RawPointerType &type) override;
220 : void visit (AST::ReferenceType &type) override;
221 : void visit (AST::ArrayType &type) override;
222 : void visit (AST::SliceType &type) override;
223 : void visit (AST::InferredType &type) override;
224 : void visit (AST::MaybeNamedParam ¶m) override;
225 : void visit (AST::BareFunctionType &type) override;
226 : void visit (AST::FormatArgs &) override;
227 : void visit (AST::OffsetOf &offset_of) override;
228 : void visit (AST::VariadicParam ¶m) override;
229 : };
230 :
231 : } // namespace AST
232 : } // namespace Rust
233 :
234 : #endif
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