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Resolve the type from an ArrayIndexExpression
Adds new TypeVisitor to resolve Types from the AST via Visitor Pattern, so the element type can be extracted. Addresses: gcc-mirror#27 gcc-mirror#55
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// rust-type-visitor.h -- Rust AST Visitor to AST::Type specific | ||
// Copyright (C) 2020 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 | ||
// 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. | ||
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// 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. | ||
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// 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/>. | ||
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#ifndef RUST_TYPE_VISITOR_H | ||
#define RUST_TYPE_VISITOR_H | ||
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#include "rust-system.h" | ||
#include "rust-ast-full.h" | ||
#include "rust-ast-visitor.h" | ||
#include "rust-scan.h" | ||
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namespace Rust { | ||
namespace Analysis { | ||
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class BaseTypeVisitor : public AST::ASTVisitor | ||
{ | ||
public: | ||
// visitor impl | ||
// rust-ast.h | ||
// virtual void visit(AttrInput& attr_input); | ||
// virtual void visit(TokenTree& token_tree); | ||
// virtual void visit(MacroMatch& macro_match); | ||
virtual void visit (AST::Token &tok) override {} | ||
virtual void visit (AST::DelimTokenTree &delim_tok_tree) override {} | ||
virtual void visit (AST::AttrInputMetaItemContainer &input) override {} | ||
// virtual void visit(MetaItem& meta_item) override {} | ||
// void vsit(Stmt& stmt) override {} | ||
// virtual void visit(Expr& expr) override {} | ||
virtual void visit (AST::IdentifierExpr &ident_expr) override {} | ||
// virtual void visit(Pattern& pattern) override {} | ||
// virtual void visit(Type& type) override {} | ||
// virtual void visit(TypeParamBound& type_param_bound) override {} | ||
virtual void visit (AST::Lifetime &lifetime) override {} | ||
// virtual void visit(GenericParam& generic_param) override {} | ||
virtual void visit (AST::LifetimeParam &lifetime_param) override {} | ||
// virtual void visit(TraitItem& trait_item) override {} | ||
// virtual void visit(InherentImplItem& inherent_impl_item) override {} | ||
// virtual void visit(TraitImplItem& trait_impl_item) override {} | ||
virtual void visit (AST::MacroInvocationSemi ¯o) override {} | ||
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// rust-path.h | ||
virtual void visit (AST::PathInExpression &path) override {} | ||
virtual void visit (AST::TypePathSegment &segment) override {} | ||
virtual void visit (AST::TypePathSegmentGeneric &segment) override {} | ||
virtual void visit (AST::TypePathSegmentFunction &segment) override {} | ||
virtual void visit (AST::TypePath &path) override {} | ||
virtual void visit (AST::QualifiedPathInExpression &path) override {} | ||
virtual void visit (AST::QualifiedPathInType &path) override {} | ||
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// rust-expr.h | ||
virtual void visit (AST::LiteralExpr &expr) override {} | ||
virtual void visit (AST::AttrInputLiteral &attr_input) override {} | ||
virtual void visit (AST::MetaItemLitExpr &meta_item) override {} | ||
virtual void visit (AST::MetaItemPathLit &meta_item) override {} | ||
virtual void visit (AST::BorrowExpr &expr) override {} | ||
virtual void visit (AST::DereferenceExpr &expr) override {} | ||
virtual void visit (AST::ErrorPropagationExpr &expr) override {} | ||
virtual void visit (AST::NegationExpr &expr) override {} | ||
virtual void visit (AST::ArithmeticOrLogicalExpr &expr) override {} | ||
virtual void visit (AST::ComparisonExpr &expr) override {} | ||
virtual void visit (AST::LazyBooleanExpr &expr) override {} | ||
virtual void visit (AST::TypeCastExpr &expr) override {} | ||
virtual void visit (AST::AssignmentExpr &expr) override {} | ||
virtual void visit (AST::CompoundAssignmentExpr &expr) override {} | ||
virtual void visit (AST::GroupedExpr &expr) override {} | ||
// virtual void visit(ArrayElems& elems) override {} | ||
virtual void visit (AST::ArrayElemsValues &elems) override {} | ||
virtual void visit (AST::ArrayElemsCopied &elems) override {} | ||
virtual void visit (AST::ArrayExpr &expr) override {} | ||
virtual void visit (AST::ArrayIndexExpr &expr) override {} | ||
virtual void visit (AST::TupleExpr &expr) override {} | ||
virtual void visit (AST::TupleIndexExpr &expr) override {} | ||
virtual void visit (AST::StructExprStruct &expr) override {} | ||
// virtual void visit(StructExprField& field) override {} | ||
virtual void visit (AST::StructExprFieldIdentifier &field) override {} | ||
virtual void visit (AST::StructExprFieldIdentifierValue &field) override {} | ||
virtual void visit (AST::StructExprFieldIndexValue &field) override {} | ||
virtual void visit (AST::StructExprStructFields &expr) override {} | ||
virtual void visit (AST::StructExprStructBase &expr) override {} | ||
virtual void visit (AST::StructExprTuple &expr) override {} | ||
virtual void visit (AST::StructExprUnit &expr) override {} | ||
// virtual void visit(EnumExprField& field) override {} | ||
virtual void visit (AST::EnumExprFieldIdentifier &field) override {} | ||
virtual void visit (AST::EnumExprFieldIdentifierValue &field) override {} | ||
virtual void visit (AST::EnumExprFieldIndexValue &field) override {} | ||
virtual void visit (AST::EnumExprStruct &expr) override {} | ||
virtual void visit (AST::EnumExprTuple &expr) override {} | ||
virtual void visit (AST::EnumExprFieldless &expr) override {} | ||
virtual void visit (AST::CallExpr &expr) override {} | ||
virtual void visit (AST::MethodCallExpr &expr) override {} | ||
virtual void visit (AST::FieldAccessExpr &expr) override {} | ||
virtual void visit (AST::ClosureExprInner &expr) override {} | ||
virtual void visit (AST::BlockExpr &expr) override {} | ||
virtual void visit (AST::ClosureExprInnerTyped &expr) override {} | ||
virtual void visit (AST::ContinueExpr &expr) override {} | ||
virtual void visit (AST::BreakExpr &expr) override {} | ||
virtual void visit (AST::RangeFromToExpr &expr) override {} | ||
virtual void visit (AST::RangeFromExpr &expr) override {} | ||
virtual void visit (AST::RangeToExpr &expr) override {} | ||
virtual void visit (AST::RangeFullExpr &expr) override {} | ||
virtual void visit (AST::RangeFromToInclExpr &expr) override {} | ||
virtual void visit (AST::RangeToInclExpr &expr) override {} | ||
virtual void visit (AST::ReturnExpr &expr) override {} | ||
virtual void visit (AST::UnsafeBlockExpr &expr) override {} | ||
virtual void visit (AST::LoopExpr &expr) override {} | ||
virtual void visit (AST::WhileLoopExpr &expr) override {} | ||
virtual void visit (AST::WhileLetLoopExpr &expr) override {} | ||
virtual void visit (AST::ForLoopExpr &expr) override {} | ||
virtual void visit (AST::IfExpr &expr) override {} | ||
virtual void visit (AST::IfExprConseqElse &expr) override {} | ||
virtual void visit (AST::IfExprConseqIf &expr) override {} | ||
virtual void visit (AST::IfExprConseqIfLet &expr) override {} | ||
virtual void visit (AST::IfLetExpr &expr) override {} | ||
virtual void visit (AST::IfLetExprConseqElse &expr) override {} | ||
virtual void visit (AST::IfLetExprConseqIf &expr) override {} | ||
virtual void visit (AST::IfLetExprConseqIfLet &expr) override {} | ||
// virtual void visit(MatchCase& match_case) override {} | ||
// virtual void visit (AST::MatchCaseBlockExpr &match_case) override {} | ||
// virtual void visit (AST::MatchCaseExpr &match_case) override {} | ||
virtual void visit (AST::MatchExpr &expr) override {} | ||
virtual void visit (AST::AwaitExpr &expr) override {} | ||
virtual void visit (AST::AsyncBlockExpr &expr) override {} | ||
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// rust-item.h | ||
virtual void visit (AST::TypeParam ¶m) override {} | ||
// virtual void visit(WhereClauseItem& item) override {} | ||
virtual void visit (AST::LifetimeWhereClauseItem &item) override {} | ||
virtual void visit (AST::TypeBoundWhereClauseItem &item) override {} | ||
virtual void visit (AST::Method &method) override {} | ||
virtual void visit (AST::ModuleBodied &module) override {} | ||
virtual void visit (AST::ModuleNoBody &module) override {} | ||
virtual void visit (AST::ExternCrate &crate) override {} | ||
// virtual void visit(UseTree& use_tree) override {} | ||
virtual void visit (AST::UseTreeGlob &use_tree) override {} | ||
virtual void visit (AST::UseTreeList &use_tree) override {} | ||
virtual void visit (AST::UseTreeRebind &use_tree) override {} | ||
virtual void visit (AST::UseDeclaration &use_decl) override {} | ||
virtual void visit (AST::Function &function) override {} | ||
virtual void visit (AST::TypeAlias &type_alias) override {} | ||
virtual void visit (AST::StructStruct &struct_item) override {} | ||
virtual void visit (AST::TupleStruct &tuple_struct) override {} | ||
virtual void visit (AST::EnumItem &item) override {} | ||
virtual void visit (AST::EnumItemTuple &item) override {} | ||
virtual void visit (AST::EnumItemStruct &item) override {} | ||
virtual void visit (AST::EnumItemDiscriminant &item) override {} | ||
virtual void visit (AST::Enum &enum_item) override {} | ||
virtual void visit (AST::Union &union_item) override {} | ||
virtual void visit (AST::ConstantItem &const_item) override {} | ||
virtual void visit (AST::StaticItem &static_item) override {} | ||
virtual void visit (AST::TraitItemFunc &item) override {} | ||
virtual void visit (AST::TraitItemMethod &item) override {} | ||
virtual void visit (AST::TraitItemConst &item) override {} | ||
virtual void visit (AST::TraitItemType &item) override {} | ||
virtual void visit (AST::Trait &trait) override {} | ||
virtual void visit (AST::InherentImpl &impl) override {} | ||
virtual void visit (AST::TraitImpl &impl) override {} | ||
// virtual void visit(ExternalItem& item) override {} | ||
virtual void visit (AST::ExternalStaticItem &item) override {} | ||
virtual void visit (AST::ExternalFunctionItem &item) override {} | ||
virtual void visit (AST::ExternBlock &block) override {} | ||
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// rust-macro.h | ||
virtual void visit (AST::MacroMatchFragment &match) override {} | ||
virtual void visit (AST::MacroMatchRepetition &match) override {} | ||
virtual void visit (AST::MacroMatcher &matcher) override {} | ||
virtual void visit (AST::MacroRulesDefinition &rules_def) override {} | ||
virtual void visit (AST::MacroInvocation ¯o_invoc) override {} | ||
virtual void visit (AST::MetaItemPath &meta_item) override {} | ||
virtual void visit (AST::MetaItemSeq &meta_item) override {} | ||
virtual void visit (AST::MetaWord &meta_item) override {} | ||
virtual void visit (AST::MetaNameValueStr &meta_item) override {} | ||
virtual void visit (AST::MetaListPaths &meta_item) override {} | ||
virtual void visit (AST::MetaListNameValueStr &meta_item) override {} | ||
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// rust-pattern.h | ||
virtual void visit (AST::LiteralPattern &pattern) override {} | ||
virtual void visit (AST::IdentifierPattern &pattern) override {} | ||
virtual void visit (AST::WildcardPattern &pattern) override {} | ||
// virtual void visit(RangePatternBound& bound) override {} | ||
virtual void visit (AST::RangePatternBoundLiteral &bound) override {} | ||
virtual void visit (AST::RangePatternBoundPath &bound) override {} | ||
virtual void visit (AST::RangePatternBoundQualPath &bound) override {} | ||
virtual void visit (AST::RangePattern &pattern) override {} | ||
virtual void visit (AST::ReferencePattern &pattern) override {} | ||
// virtual void visit(StructPatternField& field) override {} | ||
virtual void visit (AST::StructPatternFieldTuplePat &field) override {} | ||
virtual void visit (AST::StructPatternFieldIdentPat &field) override {} | ||
virtual void visit (AST::StructPatternFieldIdent &field) override {} | ||
virtual void visit (AST::StructPattern &pattern) override {} | ||
// virtual void visit(TupleStructItems& tuple_items) override {} | ||
virtual void visit (AST::TupleStructItemsNoRange &tuple_items) override {} | ||
virtual void visit (AST::TupleStructItemsRange &tuple_items) override {} | ||
virtual void visit (AST::TupleStructPattern &pattern) override {} | ||
// virtual void visit(TuplePatternItems& tuple_items) override {} | ||
virtual void visit (AST::TuplePatternItemsMultiple &tuple_items) override {} | ||
virtual void visit (AST::TuplePatternItemsRanged &tuple_items) override {} | ||
virtual void visit (AST::TuplePattern &pattern) override {} | ||
virtual void visit (AST::GroupedPattern &pattern) override {} | ||
virtual void visit (AST::SlicePattern &pattern) override {} | ||
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// rust-stmt.h | ||
virtual void visit (AST::EmptyStmt &stmt) override {} | ||
virtual void visit (AST::LetStmt &stmt) override {} | ||
virtual void visit (AST::ExprStmtWithoutBlock &stmt) override {} | ||
virtual void visit (AST::ExprStmtWithBlock &stmt) override {} | ||
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// rust-type.h | ||
virtual void visit (AST::TraitBound &bound) override {} | ||
virtual void visit (AST::ImplTraitType &type) override {} | ||
virtual void visit (AST::TraitObjectType &type) override {} | ||
virtual void visit (AST::ParenthesisedType &type) override {} | ||
virtual void visit (AST::ImplTraitTypeOneBound &type) override {} | ||
virtual void visit (AST::TraitObjectTypeOneBound &type) override {} | ||
virtual void visit (AST::TupleType &type) override {} | ||
virtual void visit (AST::NeverType &type) override {} | ||
virtual void visit (AST::RawPointerType &type) override {} | ||
virtual void visit (AST::ReferenceType &type) override {} | ||
virtual void visit (AST::ArrayType &type) override {} | ||
virtual void visit (AST::SliceType &type) override {} | ||
virtual void visit (AST::InferredType &type) override {} | ||
virtual void visit (AST::BareFunctionType &type) override {} | ||
}; | ||
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class ArrayTypeVisitor : public BaseTypeVisitor | ||
{ | ||
public: | ||
static AST::ArrayType *Resolve (AST::Type *type) | ||
{ | ||
ArrayTypeVisitor vis; | ||
type->accept_vis (vis); | ||
return vis.resolved; | ||
} | ||
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virtual void visit (AST::ArrayType &type) override { resolved = &type; }; | ||
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private: | ||
ArrayTypeVisitor () : resolved (nullptr) {} | ||
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AST::ArrayType *resolved; | ||
}; | ||
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} // namespace Analysis | ||
} // namespace Rust | ||
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#endif // RUST_TYPE_VISITOR_H |