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// Copyright (C) 2020-2025 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_BASE_H
#define RUST_HIR_BASE_H
#include "rust-system.h"
#include "rust-ast.h"
#include "rust-hir-visitable.h"
#include "rust-hir-attrs.h"
#include "rust-token.h"
#include "rust-location.h"
#include "rust-hir-map.h"
#include "rust-diagnostics.h"
#include "rust-hir-bound.h"
namespace Rust {
typedef int TupleIndex;
namespace HIR {
// Item used in trait declarations - abstract base class
class TraitItem : public Node, public FullVisitable
{
public:
using FullVisitable::accept_vis;
enum TraitItemKind
{
FUNC,
CONST,
TYPE
};
BaseKind get_hir_kind () override final { return TRAIT_ITEM; }
protected:
// Constructor
TraitItem (Analysis::NodeMapping mappings) : mappings (mappings) {}
// Clone function implementation as pure virtual method
virtual TraitItem *clone_trait_item_impl () const = 0;
Analysis::NodeMapping mappings;
public:
virtual ~TraitItem () {}
std::unique_ptr<TraitItem> clone_trait_item () const
{
return std::unique_ptr<TraitItem> (clone_trait_item_impl ());
}
virtual std::string as_string () const = 0;
virtual void accept_vis (HIRTraitItemVisitor &vis) = 0;
virtual const std::string trait_identifier () const = 0;
const Analysis::NodeMapping &get_mappings () const { return mappings; }
virtual location_t get_trait_locus () const = 0;
virtual TraitItemKind get_item_kind () const = 0;
virtual AST::AttrVec &get_outer_attrs () = 0;
virtual const AST::AttrVec &get_outer_attrs () const = 0;
};
class ImplItem : public Node, public FullVisitable
{
public:
using FullVisitable::accept_vis;
enum ImplItemType
{
FUNCTION,
TYPE_ALIAS,
CONSTANT
};
virtual ~ImplItem () {}
BaseKind get_hir_kind () override final { return IMPL; }
// Unique pointer custom clone function
std::unique_ptr<ImplItem> clone_inherent_impl_item () const
{
return std::unique_ptr<ImplItem> (clone_inherent_impl_item_impl ());
}
virtual std::string as_string () const = 0;
virtual void accept_vis (HIRImplVisitor &vis) = 0;
virtual void accept_vis (HIRStmtVisitor &vis) = 0;
virtual Analysis::NodeMapping get_impl_mappings () const = 0;
virtual location_t get_locus () const = 0;
virtual ImplItemType get_impl_item_type () const = 0;
virtual std::string get_impl_item_name () const = 0;
protected:
// Clone function implementation as pure virtual method
virtual ImplItem *clone_inherent_impl_item_impl () const = 0;
};
// A crate HIR object - holds all the data for a single compilation unit
class Crate : public WithInnerAttrs
{
// dodgy spacing required here
/* TODO: is it better to have a vector of items here or a module (implicit
* top-level one)? */
std::vector<std::unique_ptr<Item>> items;
Analysis::NodeMapping mappings;
public:
// Constructor
Crate (std::vector<std::unique_ptr<Item>> items, AST::AttrVec inner_attrs,
Analysis::NodeMapping mappings);
// Copy constructor with vector clone
Crate (Crate const &other);
~Crate () = default;
// Overloaded assignment operator with vector clone
Crate &operator= (Crate const &other);
// Move constructors
Crate (Crate &&other) = default;
Crate &operator= (Crate &&other) = default;
// Get crate representation as string (e.g. for debugging).
std::string as_string () const;
const Analysis::NodeMapping &get_mappings () const { return mappings; }
std::vector<std::unique_ptr<Item>> &get_items () { return items; }
};
} // namespace HIR
} // namespace Rust
#endif
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