// 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_COMPILE_ITEM
#define RUST_COMPILE_ITEM

#include "rust-compile-base.h"
#include "rust-hir-visitor.h"

namespace Rust {
namespace Compile {

class CompileItem : private HIRCompileBase, protected HIR::HIRStmtVisitor
{
protected:
public:
  static tree compile (HIR::Item *item, Context *ctx,
		       TyTy::BaseType *concrete = nullptr,
		       location_t ref_locus = UNDEF_LOCATION)
  {
    CompileItem compiler (ctx, concrete, ref_locus);
    item->accept_vis (compiler);
    return compiler.reference;
  }

  void visit (HIR::StaticItem &var) override;
  void visit (HIR::ConstantItem &constant) override;
  void visit (HIR::Function &function) override;
  void visit (HIR::ImplBlock &impl_block) override;
  void visit (HIR::ExternBlock &extern_block) override;
  void visit (HIR::Module &module) override;
  void visit (HIR::TupleStruct &tuple_struct) override;
  void visit (HIR::Enum &enum_decl) override;
  void visit (HIR::Union &union_decl) override;
  void visit (HIR::StructStruct &struct_decl) override;

  // Empty visit for unused Stmt HIR nodes.
  void visit (HIR::EnumItem &) override {}
  void visit (HIR::EnumItemTuple &) override {}
  void visit (HIR::EnumItemStruct &) override {}
  void visit (HIR::EnumItemDiscriminant &) override {}
  void visit (HIR::TypePathSegmentFunction &) override {}
  void visit (HIR::TypePath &) override {}
  void visit (HIR::QualifiedPathInType &) override {}
  void visit (HIR::ExternCrate &) override {}
  void visit (HIR::UseDeclaration &) override {}
  void visit (HIR::TypeAlias &) override {}
  void visit (HIR::Trait &) override {}
  void visit (HIR::EmptyStmt &) override {}
  void visit (HIR::LetStmt &) override {}
  void visit (HIR::ExprStmt &) override {}

protected:
  CompileItem (Context *ctx, TyTy::BaseType *concrete, location_t ref_locus)
    : HIRCompileBase (ctx), concrete (concrete), reference (error_mark_node),
      ref_locus (ref_locus)
  {}

  TyTy::BaseType *concrete;
  tree reference;
  location_t ref_locus;
};

} // namespace Compile
} // namespace Rust

#endif // RUST_COMPILE_ITEM