mirror of https://github.com/gcc-mirror/gcc.git
81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
// Copyright (C) 2020-2024 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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#include "rust-derive-copy.h"
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#include "rust-ast-full.h"
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namespace Rust {
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namespace AST {
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DeriveCopy::DeriveCopy (location_t loc)
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: DeriveVisitor (loc), expanded (nullptr)
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{}
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std::unique_ptr<AST::Item>
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DeriveCopy::go (Item &item)
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{
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item.accept_vis (*this);
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rust_assert (expanded);
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return std::move (expanded);
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}
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std::unique_ptr<Item>
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DeriveCopy::copy_impl (std::string name)
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{
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// `$crate::core::marker::Copy` instead
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auto segments = std::vector<std::unique_ptr<TypePathSegment>> ();
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segments.emplace_back (builder.type_path_segment ("Copy"));
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auto copy = TypePath (std::move (segments), loc);
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return std::unique_ptr<Item> (
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new TraitImpl (copy, /* unsafe */ false,
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/* exclam */ false, /* trait items */ {},
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/* generics */ {}, builder.single_type_path (name),
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WhereClause::create_empty (), Visibility::create_private (),
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{}, {}, loc));
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}
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void
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DeriveCopy::visit_struct (StructStruct &item)
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{
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expanded = copy_impl (item.get_struct_name ().as_string ());
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}
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void
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DeriveCopy::visit_tuple (TupleStruct &item)
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{
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expanded = copy_impl (item.get_struct_name ().as_string ());
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}
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void
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DeriveCopy::visit_enum (Enum &item)
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{
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expanded = copy_impl (item.get_identifier ().as_string ());
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}
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void
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DeriveCopy::visit_union (Union &item)
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{
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expanded = copy_impl (item.get_identifier ().as_string ());
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}
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} // namespace AST
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} // namespace Rust
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