Merge #1017
1017: attr-visitor: Split in its own source and header r=CohenArthur a=CohenArthur Split up the 4000 lines rust-macro-expand.cc file containing the AttrVisitor class and the macro expander implementation Co-authored-by: Arthur Cohen <arthur.cohen@embecosm.com>
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@ -74,6 +74,7 @@ GRS_OBJS = \
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rust/rust-mangle.o \
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rust/rust-compile-resolve-path.o \
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rust/rust-macro-expand.o \
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rust/rust-attribute-visitor.o \
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rust/rust-macro-invoc-lexer.o \
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rust/rust-macro-substitute-ctx.o \
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rust/rust-macro-builtins.o \
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@ -0,0 +1,222 @@
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// Copyright (C) 2020-2022 Free Software Foundation, Inc.
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// This file is part of GCC.
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// GCC is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 3, or (at your option) any later
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// version.
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// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// You should have received a copy of the GNU General Public License
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// along with GCC; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include "rust-ast-visitor.h"
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#include "rust-macro-expand.h"
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namespace Rust {
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// Visitor used to expand attributes.
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class AttrVisitor : public AST::ASTVisitor
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{
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private:
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MacroExpander &expander;
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public:
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AttrVisitor (MacroExpander &expander) : expander (expander) {}
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void expand_struct_fields (std::vector<AST::StructField> &fields);
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void expand_tuple_fields (std::vector<AST::TupleField> &fields);
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void expand_function_params (std::vector<AST::FunctionParam> ¶ms);
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void expand_generic_args (AST::GenericArgs &args);
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void expand_qualified_path_type (AST::QualifiedPathType &path_type);
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void expand_closure_params (std::vector<AST::ClosureParam> ¶ms);
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void expand_self_param (AST::SelfParam &self_param);
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void expand_where_clause (AST::WhereClause &where_clause);
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void expand_trait_function_decl (AST::TraitFunctionDecl &decl);
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void expand_trait_method_decl (AST::TraitMethodDecl &decl);
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template <typename T> void expand_pointer_allow_strip (T &values)
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{
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for (auto it = values.begin (); it != values.end ();)
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{
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auto &value = *it;
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// mark for stripping if required
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value->accept_vis (*this);
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if (value->is_marked_for_strip ())
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it = values.erase (it);
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else
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++it;
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}
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}
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void visit (AST::Token &) override;
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void visit (AST::DelimTokenTree &) override;
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void visit (AST::AttrInputMetaItemContainer &) override;
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void visit (AST::IdentifierExpr &ident_expr) override;
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void visit (AST::Lifetime &) override;
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void visit (AST::LifetimeParam &) override;
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void visit (AST::MacroInvocation ¯o_invoc) override;
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void visit (AST::PathInExpression &path) override;
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void visit (AST::TypePathSegment &) override;
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void visit (AST::TypePathSegmentGeneric &segment) override;
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void visit (AST::TypePathSegmentFunction &segment) override;
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void visit (AST::TypePath &path) override;
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void visit (AST::QualifiedPathInExpression &path) override;
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void visit (AST::QualifiedPathInType &path) override;
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void visit (AST::LiteralExpr &expr) override;
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void visit (AST::AttrInputLiteral &) override;
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void visit (AST::MetaItemLitExpr &) override;
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void visit (AST::MetaItemPathLit &) override;
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void visit (AST::BorrowExpr &expr) override;
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void visit (AST::DereferenceExpr &expr) override;
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void visit (AST::ErrorPropagationExpr &expr) override;
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void visit (AST::NegationExpr &expr) override;
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void visit (AST::ArithmeticOrLogicalExpr &expr) override;
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void visit (AST::ComparisonExpr &expr) override;
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void visit (AST::LazyBooleanExpr &expr) override;
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void visit (AST::TypeCastExpr &expr) override;
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void visit (AST::AssignmentExpr &expr) override;
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void visit (AST::CompoundAssignmentExpr &expr) override;
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void visit (AST::GroupedExpr &expr) override;
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void visit (AST::ArrayElemsValues &elems) override;
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void visit (AST::ArrayElemsCopied &elems) override;
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void visit (AST::ArrayExpr &expr) override;
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void visit (AST::ArrayIndexExpr &expr) override;
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void visit (AST::TupleExpr &expr) override;
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void visit (AST::TupleIndexExpr &expr) override;
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void visit (AST::StructExprStruct &expr) override;
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void visit (AST::StructExprFieldIdentifier &) override;
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void visit (AST::StructExprFieldIdentifierValue &field) override;
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void visit (AST::StructExprFieldIndexValue &field) override;
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void visit (AST::StructExprStructFields &expr) override;
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void visit (AST::StructExprStructBase &expr) override;
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void visit (AST::CallExpr &expr) override;
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void visit (AST::MethodCallExpr &expr) override;
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void visit (AST::FieldAccessExpr &expr) override;
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void visit (AST::ClosureExprInner &expr) override;
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void visit (AST::BlockExpr &expr) override;
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void visit (AST::ClosureExprInnerTyped &expr) override;
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void visit (AST::ContinueExpr &expr) override;
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void visit (AST::BreakExpr &expr) override;
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void visit (AST::RangeFromToExpr &expr) override;
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void visit (AST::RangeFromExpr &expr) override;
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void visit (AST::RangeToExpr &expr) override;
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void visit (AST::RangeFullExpr &) override;
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void visit (AST::RangeFromToInclExpr &expr) override;
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void visit (AST::RangeToInclExpr &expr) override;
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void visit (AST::ReturnExpr &expr) override;
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void visit (AST::UnsafeBlockExpr &expr) override;
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void visit (AST::LoopExpr &expr) override;
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void visit (AST::WhileLoopExpr &expr) override;
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void visit (AST::WhileLetLoopExpr &expr) override;
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void visit (AST::ForLoopExpr &expr) override;
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void visit (AST::IfExpr &expr) override;
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void visit (AST::IfExprConseqElse &expr) override;
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void visit (AST::IfExprConseqIf &expr) override;
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void visit (AST::IfExprConseqIfLet &expr) override;
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void visit (AST::IfLetExpr &expr) override;
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void visit (AST::IfLetExprConseqElse &expr) override;
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void visit (AST::IfLetExprConseqIf &expr) override;
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void visit (AST::IfLetExprConseqIfLet &expr) override;
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void visit (AST::MatchExpr &expr) override;
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void visit (AST::AwaitExpr &expr) override;
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void visit (AST::AsyncBlockExpr &expr) override;
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void visit (AST::TypeParam ¶m) override;
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void visit (AST::LifetimeWhereClauseItem &) override;
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void visit (AST::TypeBoundWhereClauseItem &item) override;
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void visit (AST::Method &method) override;
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void visit (AST::Module &module) override;
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void visit (AST::ExternCrate &crate) override;
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void visit (AST::UseTreeGlob &) override;
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void visit (AST::UseTreeList &) override;
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void visit (AST::UseTreeRebind &) override;
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void visit (AST::UseDeclaration &use_decl) override;
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void visit (AST::Function &function) override;
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void visit (AST::TypeAlias &type_alias) override;
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void visit (AST::StructStruct &struct_item) override;
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void visit (AST::TupleStruct &tuple_struct) override;
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void visit (AST::EnumItem &item) override;
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void visit (AST::EnumItemTuple &item) override;
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void visit (AST::EnumItemStruct &item) override;
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void visit (AST::EnumItemDiscriminant &item) override;
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void visit (AST::Enum &enum_item) override;
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void visit (AST::Union &union_item) override;
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void visit (AST::ConstantItem &const_item) override;
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void visit (AST::StaticItem &static_item) override;
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void visit (AST::TraitItemFunc &item) override;
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void visit (AST::TraitItemMethod &item) override;
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void visit (AST::TraitItemConst &item) override;
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void visit (AST::TraitItemType &item) override;
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void visit (AST::Trait &trait) override;
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void visit (AST::InherentImpl &impl) override;
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void visit (AST::TraitImpl &impl) override;
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void visit (AST::ExternalStaticItem &item) override;
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void visit (AST::ExternalFunctionItem &item) override;
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void visit (AST::ExternBlock &block) override;
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// I don't think it would be possible to strip macros without expansion
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void visit (AST::MacroMatchFragment &) override;
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void visit (AST::MacroMatchRepetition &) override;
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void visit (AST::MacroMatcher &) override;
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void visit (AST::MacroRulesDefinition &rules_def) override;
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void visit (AST::MetaItemPath &) override;
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void visit (AST::MetaItemSeq &) override;
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void visit (AST::MetaWord &) override;
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void visit (AST::MetaNameValueStr &) override;
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void visit (AST::MetaListPaths &) override;
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void visit (AST::MetaListNameValueStr &) override;
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void visit (AST::LiteralPattern &) override;
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void visit (AST::IdentifierPattern &pattern) override;
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void visit (AST::WildcardPattern &) override;
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void visit (AST::RangePatternBoundLiteral &) override;
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void visit (AST::RangePatternBoundPath &bound) override;
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void visit (AST::RangePatternBoundQualPath &bound) override;
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void visit (AST::RangePattern &pattern) override;
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void visit (AST::ReferencePattern &pattern) override;
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void visit (AST::StructPatternFieldTuplePat &field) override;
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void visit (AST::StructPatternFieldIdentPat &field) override;
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void visit (AST::StructPatternFieldIdent &field) override;
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void visit (AST::StructPattern &pattern) override;
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void visit (AST::TupleStructItemsNoRange &tuple_items) override;
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void visit (AST::TupleStructItemsRange &tuple_items) override;
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void visit (AST::TupleStructPattern &pattern) override;
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void visit (AST::TuplePatternItemsMultiple &tuple_items) override;
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void visit (AST::TuplePatternItemsRanged &tuple_items) override;
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void visit (AST::TuplePattern &pattern) override;
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void visit (AST::GroupedPattern &pattern) override;
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void visit (AST::SlicePattern &pattern) override;
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void visit (AST::EmptyStmt &) override;
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void visit (AST::LetStmt &stmt) override;
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void visit (AST::ExprStmtWithoutBlock &stmt) override;
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void visit (AST::ExprStmtWithBlock &stmt) override;
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void visit (AST::TraitBound &bound) override;
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void visit (AST::ImplTraitType &type) override;
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void visit (AST::TraitObjectType &type) override;
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void visit (AST::ParenthesisedType &type) override;
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void visit (AST::ImplTraitTypeOneBound &type) override;
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void visit (AST::TraitObjectTypeOneBound &type) override;
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void visit (AST::TupleType &type) override;
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void visit (AST::NeverType &) override;
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void visit (AST::RawPointerType &type) override;
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void visit (AST::ReferenceType &type) override;
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void visit (AST::ArrayType &type) override;
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void visit (AST::SliceType &type) override;
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void visit (AST::InferredType &) override;
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void visit (AST::BareFunctionType &type) override;
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};
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} // namespace Rust
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