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// Copyright (C) 2020-2024 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_HIR_TYPE_CHECK_IMPLITEM_H
#define RUST_HIR_TYPE_CHECK_IMPLITEM_H
#include "rust-hir-type-check-base.h"
#include "rust-hir-visitor.h"
namespace Rust {
namespace Resolver {
class TypeCheckTopLevelExternItem : public TypeCheckBase,
public HIR::HIRExternalItemVisitor
{
public:
static TyTy::BaseType *Resolve (HIR::ExternalItem *item,
const HIR::ExternBlock &parent);
void visit (HIR::ExternalStaticItem &item) override;
void visit (HIR::ExternalFunctionItem &function) override;
private:
TypeCheckTopLevelExternItem (const HIR::ExternBlock &parent);
const HIR::ExternBlock &parent;
TyTy::BaseType *resolved;
};
class TypeCheckImplItem : public TypeCheckBase, public HIR::HIRImplVisitor
{
public:
static TyTy::BaseType *
Resolve (HIR::ImplBlock *parent, HIR::ImplItem *item, TyTy::BaseType *self,
std::vector<TyTy::SubstitutionParamMapping> substitutions);
void visit (HIR::Function &function) override;
void visit (HIR::ConstantItem &const_item) override;
void visit (HIR::TypeAlias &type_alias) override;
protected:
TypeCheckImplItem (HIR::ImplBlock *parent, TyTy::BaseType *self,
std::vector<TyTy::SubstitutionParamMapping> substitutions);
HIR::ImplBlock *parent;
TyTy::BaseType *self;
std::vector<TyTy::SubstitutionParamMapping> substitutions;
TyTy::BaseType *result = nullptr;
};
class TypeCheckImplItemWithTrait : public TypeCheckBase,
public HIR::HIRImplVisitor
{
public:
static TyTy::TypeBoundPredicateItem
Resolve (HIR::ImplBlock *parent, HIR::ImplItem *item, TyTy::BaseType *self,
TyTy::TypeBoundPredicate &trait_reference,
std::vector<TyTy::SubstitutionParamMapping> substitutions);
void visit (HIR::ConstantItem &constant) override;
void visit (HIR::TypeAlias &type) override;
void visit (HIR::Function &function) override;
protected:
// this allows us to inherit the must_use specified on a trait definition onto
// its implementation
void merge_attributes (AST::AttrVec &impl_item_attrs,
const HIR::TraitItem &trait_item);
private:
TypeCheckImplItemWithTrait (
HIR::ImplBlock *parent, TyTy::BaseType *self,
TyTy::TypeBoundPredicate &trait_reference,
std::vector<TyTy::SubstitutionParamMapping> substitutions);
bool is_trait_impl_block () const;
TyTy::TypeBoundPredicate &trait_reference;
TyTy::TypeBoundPredicateItem resolved_trait_item;
HIR::ImplBlock *parent;
TyTy::BaseType *self;
std::vector<TyTy::SubstitutionParamMapping> substitutions;
};
} // namespace Resolver
} // namespace Rust
#endif // RUST_HIR_TYPE_CHECK_IMPLITEM_H
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