115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
// 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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#ifndef RUST_HIR_TYPE_CHECK_IMPLITEM_H
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#define RUST_HIR_TYPE_CHECK_IMPLITEM_H
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#include "rust-hir-type-check-base.h"
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namespace Rust {
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namespace Resolver {
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class TypeCheckTopLevelExternItem : public TypeCheckBase,
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public HIR::HIRExternalItemVisitor
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{
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public:
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static void Resolve (HIR::ExternalItem *item, const HIR::ExternBlock &parent);
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void visit (HIR::ExternalStaticItem &item) override;
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void visit (HIR::ExternalFunctionItem &function) override;
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private:
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TypeCheckTopLevelExternItem (const HIR::ExternBlock &parent);
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const HIR::ExternBlock &parent;
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};
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class TypeCheckTopLevelImplItem : public TypeCheckBase,
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public HIR::HIRImplVisitor
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{
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public:
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static void
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Resolve (HIR::ImplItem *item, TyTy::BaseType *self,
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std::vector<TyTy::SubstitutionParamMapping> substitutions);
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void visit (HIR::TypeAlias &alias) override;
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void visit (HIR::ConstantItem &constant) override;
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void visit (HIR::Function &function) override;
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private:
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TypeCheckTopLevelImplItem (
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TyTy::BaseType *self,
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std::vector<TyTy::SubstitutionParamMapping> substitutions);
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TyTy::BaseType *self;
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std::vector<TyTy::SubstitutionParamMapping> substitutions;
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};
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class TypeCheckImplItem : public TypeCheckBase, public HIR::HIRImplVisitor
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{
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public:
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static void Resolve (HIR::ImplBlock *parent, HIR::ImplItem *item,
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TyTy::BaseType *self);
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void visit (HIR::Function &function) override;
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void visit (HIR::ConstantItem &const_item) override;
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void visit (HIR::TypeAlias &type_alias) override;
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protected:
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TypeCheckImplItem (HIR::ImplBlock *parent, TyTy::BaseType *self);
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HIR::ImplBlock *parent;
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TyTy::BaseType *self;
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};
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class TypeCheckImplItemWithTrait : public TypeCheckImplItem
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{
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public:
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static TyTy::TypeBoundPredicateItem
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Resolve (HIR::ImplBlock *parent, HIR::ImplItem *item, TyTy::BaseType *self,
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TyTy::TypeBoundPredicate &trait_reference,
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std::vector<TyTy::SubstitutionParamMapping> substitutions);
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void visit (HIR::ConstantItem &constant) override;
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void visit (HIR::TypeAlias &type) override;
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void visit (HIR::Function &function) override;
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protected:
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// this allows us to inherit the must_use specified on a trait definition onto
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// its implementation
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void merge_attributes (AST::AttrVec &impl_item_attrs,
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const HIR::TraitItem &trait_item);
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private:
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TypeCheckImplItemWithTrait (
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HIR::ImplBlock *parent, TyTy::BaseType *self,
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TyTy::TypeBoundPredicate &trait_reference,
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std::vector<TyTy::SubstitutionParamMapping> substitutions);
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bool is_trait_impl_block () const;
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TyTy::TypeBoundPredicate &trait_reference;
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TyTy::TypeBoundPredicateItem resolved_trait_item;
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std::vector<TyTy::SubstitutionParamMapping> substitutions;
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};
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} // namespace Resolver
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} // namespace Rust
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#endif // RUST_HIR_TYPE_CHECK_IMPLITEM_H
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