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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        21517 : class PointerVisitor : public DefaultASTVisitor
      33              : {
      34              : public:
      35              :   using DefaultASTVisitor::visit;
      36              : 
      37      1321894 :   virtual void reseat (std::unique_ptr<AST::Expr> &ptr) { visit (ptr); }
      38        70155 :   virtual void reseat (std::unique_ptr<AST::BlockExpr> &ptr) { visit (ptr); }
      39              : 
      40        75430 :   virtual void reseat (std::unique_ptr<AST::Stmt> &ptr) { visit (ptr); }
      41              : 
      42        81786 :   virtual void reseat (std::unique_ptr<AST::Item> &ptr) { visit (ptr); }
      43              : 
      44        40202 :   virtual void reseat (std::unique_ptr<AST::AssociatedItem> &ptr)
      45              :   {
      46        40202 :     visit (ptr);
      47        40202 :   }
      48              : 
      49         8430 :   virtual void reseat (std::unique_ptr<AST::ExternalItem> &ptr) { visit (ptr); }
      50              : 
      51       142798 :   virtual void reseat (std::unique_ptr<AST::Type> &ptr) { visit (ptr); }
      52              : 
      53        53377 :   virtual void reseat (std::unique_ptr<AST::TypeNoBounds> &ptr) { visit (ptr); }
      54              : 
      55        29344 :   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::MetaItemPathExpr &meta_item) override;
      73              :   void visit (AST::BorrowExpr &expr) override;
      74              :   void visit (AST::DereferenceExpr &expr) override;
      75              :   void visit (AST::ErrorPropagationExpr &expr) override;
      76              :   void visit (AST::NegationExpr &expr) override;
      77              :   void visit (AST::ArithmeticOrLogicalExpr &expr) override;
      78              :   void visit (AST::ComparisonExpr &expr) override;
      79              :   void visit (AST::LazyBooleanExpr &expr) override;
      80              :   void visit (AST::TypeCastExpr &expr) override;
      81              :   void visit (AST::AssignmentExpr &expr) override;
      82              :   void visit (AST::CompoundAssignmentExpr &expr) override;
      83              :   void visit (AST::GroupedExpr &expr) override;
      84              :   void visit (AST::ArrayElemsValues &elems) override;
      85              :   void visit (AST::ArrayElemsCopied &elems) override;
      86              :   void visit (AST::ArrayExpr &expr) override;
      87              :   void visit (AST::ArrayIndexExpr &expr) override;
      88              :   void visit (AST::TupleExpr &expr) override;
      89              :   void visit (AST::TupleIndexExpr &expr) override;
      90              :   void visit (AST::StructExprFieldIdentifierValue &field) override;
      91              :   void visit (AST::StructExprFieldIndexValue &field) override;
      92              :   void visit (AST::StructBase &base) override;
      93              :   void visit (AST::CallExpr &expr) override;
      94              :   void visit (AST::MethodCallExpr &expr) override;
      95              :   void visit (AST::FieldAccessExpr &expr) override;
      96              :   void visit (AST::ClosureExprInner &expr) override;
      97              :   void visit (AST::BlockExpr &expr) override;
      98              :   void visit (AST::AnonConst &expr) override;
      99              :   void visit (AST::ClosureExprInnerTyped &expr) override;
     100              :   void visit (AST::ClosureParam &param) override;
     101              :   void visit (AST::ContinueExpr &expr) override;
     102              :   void visit (AST::BreakExpr &expr) override;
     103              :   void visit (AST::RangeFromToExpr &expr) override;
     104              :   void visit (AST::RangeFromExpr &expr) override;
     105              :   void visit (AST::RangeToExpr &expr) override;
     106              :   void visit (AST::RangeFromToInclExpr &expr) override;
     107              :   void visit (AST::RangeToInclExpr &expr) override;
     108              :   void visit (AST::ReturnExpr &expr) override;
     109              :   void visit (AST::TryExpr &expr) override;
     110              :   void visit (AST::BoxExpr &expr) override;
     111              :   void visit (AST::UnsafeBlockExpr &expr) override;
     112              :   void visit (AST::LoopExpr &expr) override;
     113              :   void visit (AST::WhileLoopExpr &expr) override;
     114              :   void visit (AST::WhileLetLoopExpr &expr) override;
     115              :   void visit (AST::ForLoopExpr &expr) override;
     116              :   void visit (AST::IfExpr &expr) override;
     117              :   void visit (AST::IfLetExpr &expr) override;
     118              :   void visit (AST::MatchArm &arm) override;
     119              :   void visit (AST::MatchCase &arm) override;
     120              :   void visit (AST::MatchExpr &expr) override;
     121              :   void visit (AST::AwaitExpr &expr) override;
     122              :   void visit (AST::AsyncBlockExpr &expr) override;
     123              :   void visit (AST::InlineAsm &expr) override;
     124              :   void visit (AST::LlvmInlineAsm &expr) override;
     125              :   void visit (AST::TypeParam &param) override;
     126              :   void visit (AST::TypeBoundWhereClauseItem &item) override;
     127              :   void visit (AST::FunctionParam &param) override;
     128              :   void visit (AST::SelfParam &param) override;
     129              :   void visit (AST::Module &module) override;
     130              :   void visit_function_params (AST::Function &function) override;
     131              :   void visit (AST::Function &function) override;
     132              :   void visit (AST::TypeAlias &type_alias) override;
     133              :   void visit (AST::StructField &field) override;
     134              :   void visit (AST::TupleField &field) override;
     135              :   void visit (AST::EnumItemDiscriminant &item) override;
     136              :   void visit (AST::ConstantItem &const_item) override;
     137              :   void visit (AST::StaticItem &static_item) override;
     138              :   void visit (AST::Trait &trait) override;
     139              :   void visit (AST::InherentImpl &impl) override;
     140              :   void visit (AST::TraitImpl &impl) override;
     141              :   void visit (AST::ExternalStaticItem &item) override;
     142              :   void visit (AST::ExternBlock &block) override;
     143              :   void visit (AST::IdentifierPattern &pattern) override;
     144              :   void visit (AST::RangePattern &pattern) override;
     145              :   void visit (AST::ReferencePattern &pattern) override;
     146              :   void visit (AST::StructPatternFieldTuplePat &field) override;
     147              :   void visit (AST::StructPatternFieldIdentPat &field) override;
     148              :   void visit (AST::TupleStructItemsNoRest &tuple_items) override;
     149              :   void visit (AST::TupleStructItemsHasRest &tuple_items) override;
     150              :   void visit (AST::TuplePatternItemsNoRest &tuple_items) override;
     151              :   void visit (AST::TuplePatternItemsHasRest &tuple_items) override;
     152              :   void visit (AST::GroupedPattern &pattern) override;
     153              :   void visit (AST::SlicePatternItemsNoRest &items) override;
     154              :   void visit (AST::SlicePatternItemsHasRest &items) override;
     155              :   void visit (AST::AltPattern &pattern) override;
     156              :   void visit (AST::LetStmt &stmt) override;
     157              :   void visit (AST::ExprStmt &stmt) override;
     158              :   void visit (AST::ParenthesisedType &type) override;
     159              :   void visit (AST::ImplTraitTypeOneBound &type) override;
     160              :   void visit (AST::TraitObjectTypeOneBound &type) override;
     161              :   void visit (AST::TupleType &type) override;
     162              :   void visit (AST::RawPointerType &type) override;
     163              :   void visit (AST::ReferenceType &type) override;
     164              :   void visit (AST::ArrayType &type) override;
     165              :   void visit (AST::SliceType &type) override;
     166              :   void visit (AST::MaybeNamedParam &param) override;
     167              :   void visit (AST::BareFunctionType &type) override;
     168              :   void visit (AST::FormatArgs &) override;
     169              :   void visit (AST::OffsetOf &offset_of) override;
     170              :   void visit (AST::VariadicParam &param) override;
     171              : };
     172              : 
     173              : } // namespace AST
     174              : } // namespace Rust
     175              : 
     176              : #endif