gcc/rust/resolve/rust-default-resolver.h

   1
   2 // Copyright (C) 2020-2023 Free Software Foundation, Inc.
   3
   4 // This file is part of GCC.
   5
   6 // GCC is free software; you can redistribute it and/or modify it under
   7 // the terms of the GNU General Public License as published by the Free
   8 // Software Foundation; either version 3, or (at your option) any later
   9 // version.
  10
  11 // GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 // for more details.
  15
  16 // You should have received a copy of the GNU General Public License
  17 // along with GCC; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #ifndef RUST_AST_DEFAULT_RESOLVER_H
  21 #define RUST_AST_DEFAULT_RESOLVER_H
  22
  23 #include "rust-ast-visitor.h"
  24 #include "rust-name-resolution-context.h"
  25
  26 namespace Rust {
  27 namespace Resolver2_0 {
  28
  29 /**
  30  * The `DefaultResolver` is a base visitor for all passes of our name resolution
  31  * algorithm: `TopLevel`, `Easy` and `Late`. It does not do a lot, apart from
  32  * visiting each node's subnodes - a block's statements, a function call's
  33  * arguments...
  34  */
  35 class DefaultResolver : public AST::DefaultASTVisitor
  36 {
  37 public:
  38   using AST::DefaultASTVisitor::visit;
  39
  40   virtual ~DefaultResolver () {}
  41
  42   // First, our lexical scope expressions - these visit their sub nodes, always
  43   // these nodes create new scopes and ribs - they are often used to declare new
  44   // variables, such as a for loop's iterator, or a function's arguments
  45   void visit (AST::BlockExpr &);
  46   void visit (AST::Module &);
  47   void visit (AST::Function &);
  48   void visit (AST::ForLoopExpr &);
  49   void visit (AST::Trait &);
  50   void visit (AST::InherentImpl &);
  51   void visit (AST::TraitImpl &);
  52   void visit (AST::ExternBlock &);
  53
  54   // type dec nodes, which visit their fields or variants by default
  55   void visit (AST::StructStruct &);
  56   void visit (AST::Enum &);
  57
  58   // Visitors that visit their expression node(s)
  59   void visit (AST::StructExprFieldIdentifierValue &);
  60   void visit (AST::StructExprFieldIndexValue &);
  61   void visit (AST::ClosureExprInner &);
  62   void visit (AST::ClosureExprInnerTyped &);
  63   void visit (AST::ContinueExpr &);
  64   void visit (AST::RangeFromToExpr &);
  65   void visit (AST::RangeFromExpr &);
  66   void visit (AST::RangeToExpr &);
  67   void visit (AST::RangeFromToInclExpr &);
  68   void visit (AST::RangeToInclExpr &);
  69   void visit (AST::ReturnExpr &);
  70   void visit (AST::UnsafeBlockExpr &);
  71   void visit (AST::LoopExpr &);
  72   void visit (AST::WhileLoopExpr &);
  73   void visit (AST::WhileLetLoopExpr &);
  74   void visit (AST::IfExpr &);
  75   void visit (AST::IfExprConseqElse &);
  76   void visit (AST::IfLetExpr &);
  77   void visit (AST::IfLetExprConseqElse &);
  78   void visit (AST::MatchExpr &);
  79   void visit (AST::AwaitExpr &);
  80   void visit (AST::AsyncBlockExpr &);
  81
  82   // Leaf visitors, which do nothing by default
  83   void visit (AST::DelimTokenTree &);
  84   void visit (AST::AttrInputMetaItemContainer &);
  85   void visit (AST::IdentifierExpr &);
  86   void visit (AST::LifetimeParam &);
  87   void visit (AST::ConstGenericParam &);
  88   void visit (AST::PathInExpression &);
  89   void visit (AST::TypePathSegmentGeneric &);
  90   void visit (AST::TypePathSegmentFunction &);
  91   void visit (AST::TypePath &);
  92   void visit (AST::QualifiedPathInExpression &);
  93   void visit (AST::QualifiedPathInType &);
  94   void visit (AST::LiteralExpr &);
  95   void visit (AST::AttrInputLiteral &);
  96   void visit (AST::AttrInputMacro &);
  97   void visit (AST::MetaItemLitExpr &);
  98   void visit (AST::MetaItemPathLit &);
  99   void visit (AST::StructExprStruct &);
 100   void visit (AST::StructExprStructFields &);
 101   void visit (AST::StructExprStructBase &);
 102   void visit (AST::TypeParam &);
 103   void visit (AST::LifetimeWhereClauseItem &);
 104   void visit (AST::TypeBoundWhereClauseItem &);
 105   void visit (AST::ExternCrate &);
 106   void visit (AST::UseTreeGlob &);
 107   void visit (AST::UseTreeList &);
 108   void visit (AST::UseTreeRebind &);
 109   void visit (AST::UseDeclaration &);
 110   void visit (AST::TypeAlias &);
 111   void visit (AST::EnumItem &);
 112   void visit (AST::EnumItemTuple &);
 113   void visit (AST::EnumItemStruct &);
 114   void visit (AST::EnumItemDiscriminant &);
 115   void visit (AST::ConstantItem &);
 116   void visit (AST::StaticItem &);
 117   void visit (AST::TraitItemConst &);
 118   void visit (AST::TraitItemType &);
 119   void visit (AST::ExternalTypeItem &);
 120   void visit (AST::ExternalStaticItem &);
 121   void visit (AST::ExternalFunctionItem &);
 122   void visit (AST::MacroMatchRepetition &);
 123   void visit (AST::MacroMatcher &);
 124   void visit (AST::MacroRulesDefinition &);
 125   void visit (AST::MacroInvocation &);
 126   void visit (AST::MetaItemPath &);
 127   void visit (AST::MetaItemSeq &);
 128   void visit (AST::MetaListPaths &);
 129   void visit (AST::MetaListNameValueStr &);
 130   void visit (AST::RangePatternBoundPath &);
 131   void visit (AST::RangePatternBoundQualPath &);
 132   void visit (AST::RangePattern &);
 133   void visit (AST::ReferencePattern &);
 134   void visit (AST::StructPatternFieldTuplePat &);
 135   void visit (AST::StructPatternFieldIdentPat &);
 136   void visit (AST::StructPatternFieldIdent &);
 137   void visit (AST::StructPattern &);
 138   void visit (AST::TupleStructItemsNoRange &);
 139   void visit (AST::TupleStructItemsRange &);
 140   void visit (AST::TupleStructPattern &);
 141   void visit (AST::TuplePatternItemsMultiple &);
 142   void visit (AST::TuplePatternItemsRanged &);
 143   void visit (AST::TuplePattern &);
 144   void visit (AST::GroupedPattern &);
 145   void visit (AST::SlicePattern &);
 146   void visit (AST::AltPattern &);
 147   void visit (AST::EmptyStmt &);
 148   void visit (AST::TraitBound &);
 149   void visit (AST::ImplTraitType &);
 150   void visit (AST::TraitObjectType &);
 151   void visit (AST::ParenthesisedType &);
 152   void visit (AST::ImplTraitTypeOneBound &);
 153   void visit (AST::TraitObjectTypeOneBound &);
 154   void visit (AST::TupleType &);
 155   void visit (AST::RawPointerType &);
 156   void visit (AST::ReferenceType &);
 157   void visit (AST::ArrayType &);
 158   void visit (AST::SliceType &);
 159   void visit (AST::BareFunctionType &);
 160   void visit (AST::FunctionParam &);
 161   void visit (AST::VariadicParam &);
 162   void visit (AST::SelfParam &);
 163
 164 protected:
 165   DefaultResolver (NameResolutionContext &ctx) : ctx (ctx) {}
 166
 167   NameResolutionContext &ctx;
 168 };
 169
 170 } // namespace Resolver2_0
 171 } // namespace Rust
 172
 173 #endif // RUST_AST_DEFAULT_RESOLVER_H