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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_FEATURE_H
#define RUST_FEATURE_H
#include "rust-session-manager.h"
#include "optional.h"
namespace Rust {
class Feature
{
public:
enum class State
{
ACCEPTED,
ACTIVE,
REMOVED,
STABILIZED,
};
enum class Name
{
ASSOCIATED_TYPE_BOUNDS,
INTRINSICS,
NEGATIVE_IMPLS,
RUSTC_ATTRS,
DECL_MACRO,
AUTO_TRAITS,
EXTERN_TYPES,
LANG_ITEMS,
NO_CORE,
BOX_SYNTAX,
DROPCK_EYEPATCH,
RAW_REF_OP,
EXCLUSIVE_RANGE_PATTERN,
};
const std::string &as_string () { return m_name_str; }
Name name () { return m_name; }
const std::string &description () { return m_description; }
State state () { return m_state; }
unsigned issue () { return m_issue; }
static tl::optional<Name> as_name (const std::string &name);
static Feature create (Name name);
private:
Feature (Name name, State state, const char *name_str,
const char *rustc_since, unsigned issue_number,
const tl::optional<CompileOptions::Edition> &edition,
const char *description)
: m_state (state), m_name (name), m_name_str (name_str),
m_rustc_since (rustc_since), m_issue (issue_number), edition (edition),
m_description (description)
{}
State m_state;
Name m_name;
std::string m_name_str;
std::string m_rustc_since;
unsigned m_issue;
tl::optional<CompileOptions::Edition> edition;
std::string m_description;
static const std::map<std::string, Name> name_hash_map;
};
} // namespace Rust
#endif
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