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// Copyright (C) 2020-2025 Free Software Foundation, Inc.
// This file is part of GCC.
// GCC is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3, or (at your option) any later
// version.
// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#ifndef RUST_AST_DEFAULT_RESOLVER_H
#define RUST_AST_DEFAULT_RESOLVER_H
#include "rust-ast-visitor.h"
#include "rust-name-resolution-context.h"
namespace Rust {
namespace Resolver2_0 {
/**
* The `DefaultResolver` is a base visitor for all passes of our name resolution
* algorithm: `TopLevel`, `Easy` and `Late`. It does not do a lot, apart from
* visiting each node's subnodes - a block's statements, a function call's
* arguments...
*/
class DefaultResolver : public AST::DefaultASTVisitor
{
public:
using AST::DefaultASTVisitor::visit;
virtual ~DefaultResolver () {}
// First, our lexical scope expressions - these visit their sub nodes, always
// these nodes create new scopes and ribs - they are often used to declare new
// variables, such as a for loop's iterator, or a function's arguments
void visit (AST::BlockExpr &);
void visit (AST::Module &);
void visit (AST::Function &);
void visit (AST::ForLoopExpr &);
void visit (AST::Trait &);
void visit (AST::InherentImpl &);
void visit (AST::TraitImpl &);
// type dec nodes, which visit their fields or variants by default
void visit (AST::StructStruct &);
void visit (AST::Enum &);
// Visitors that visit their expression node(s)
void visit (AST::StructExprFieldIdentifierValue &);
void visit (AST::StructExprFieldIndexValue &);
void visit (AST::ClosureExprInner &);
void visit (AST::ClosureExprInnerTyped &);
void visit (AST::ContinueExpr &);
void visit (AST::RangeFromToExpr &);
void visit (AST::RangeFromExpr &);
void visit (AST::RangeToExpr &);
void visit (AST::RangeFromToInclExpr &);
void visit (AST::RangeToInclExpr &);
void visit (AST::ReturnExpr &);
void visit (AST::CallExpr &);
void visit (AST::MethodCallExpr &);
void visit (AST::LoopExpr &);
void visit (AST::WhileLoopExpr &);
void visit (AST::WhileLetLoopExpr &);
void visit (AST::IfExpr &);
void visit (AST::IfExprConseqElse &);
void visit (AST::IfLetExpr &);
void visit (AST::IfLetExprConseqElse &);
void visit (AST::MatchExpr &);
void visit (AST::AwaitExpr &);
void visit (AST::AsyncBlockExpr &);
// Leaf visitors, which do nothing by default
void visit (AST::DelimTokenTree &);
void visit (AST::AttrInputMetaItemContainer &);
void visit (AST::IdentifierExpr &);
void visit (AST::LifetimeParam &);
void visit (AST::ConstGenericParam &);
void visit (AST::PathInExpression &);
void visit (AST::TypePathSegmentGeneric &);
void visit (AST::TypePathSegmentFunction &);
void visit (AST::TypePath &);
void visit (AST::QualifiedPathInExpression &);
void visit (AST::QualifiedPathInType &);
void visit (AST::LiteralExpr &);
void visit (AST::AttrInputLiteral &);
void visit (AST::AttrInputMacro &);
void visit (AST::MetaItemLitExpr &);
void visit (AST::MetaItemPathLit &);
void visit (AST::StructExprStruct &);
void visit (AST::StructExprStructFields &);
void visit (AST::StructExprStructBase &);
void visit (AST::TypeParam &);
void visit (AST::LifetimeWhereClauseItem &);
void visit (AST::TypeBoundWhereClauseItem &);
void visit (AST::ExternCrate &);
void visit (AST::UseTreeGlob &);
void visit (AST::UseTreeList &);
void visit (AST::UseTreeRebind &);
void visit (AST::UseDeclaration &);
void visit (AST::TypeAlias &);
void visit (AST::EnumItem &);
void visit (AST::EnumItemTuple &);
void visit (AST::EnumItemStruct &);
void visit (AST::EnumItemDiscriminant &);
void visit (AST::ConstantItem &);
void visit (AST::StaticItem &);
void visit (AST::TraitItemConst &);
void visit (AST::TraitItemType &);
void visit (AST::ExternalTypeItem &);
void visit (AST::ExternalStaticItem &);
void visit (AST::MacroMatchRepetition &);
void visit (AST::MacroMatcher &);
void visit (AST::MacroRulesDefinition &);
void visit (AST::MacroInvocation &);
void visit (AST::MetaItemPath &);
void visit (AST::MetaItemSeq &);
void visit (AST::MetaListPaths &);
void visit (AST::MetaListNameValueStr &);
void visit (AST::RangePatternBoundPath &);
void visit (AST::RangePatternBoundQualPath &);
void visit (AST::RangePattern &);
void visit (AST::ReferencePattern &);
void visit (AST::StructPatternFieldTuplePat &);
void visit (AST::StructPatternFieldIdentPat &);
void visit (AST::StructPatternFieldIdent &);
void visit (AST::StructPattern &);
void visit (AST::TupleStructItemsNoRange &);
void visit (AST::TupleStructItemsRange &);
void visit (AST::TupleStructPattern &);
void visit (AST::TuplePatternItemsMultiple &);
void visit (AST::TuplePatternItemsRanged &);
void visit (AST::TuplePattern &);
void visit (AST::GroupedPattern &);
void visit (AST::SlicePattern &);
void visit (AST::AltPattern &);
void visit (AST::EmptyStmt &);
void visit (AST::TraitBound &);
void visit (AST::ImplTraitType &);
void visit (AST::TraitObjectType &);
void visit (AST::ParenthesisedType &);
void visit (AST::ImplTraitTypeOneBound &);
void visit (AST::TraitObjectTypeOneBound &);
void visit (AST::TupleType &);
void visit (AST::ReferenceType &);
void visit (AST::ArrayType &);
void visit (AST::SliceType &);
void visit (AST::BareFunctionType &);
void visit (AST::FunctionParam &);
void visit (AST::VariadicParam &);
void visit (AST::SelfParam &);
protected:
DefaultResolver (NameResolutionContext &ctx) : ctx (ctx) {}
NameResolutionContext &ctx;
};
} // namespace Resolver2_0
} // namespace Rust
#endif // RUST_AST_DEFAULT_RESOLVER_H
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