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// Copyright (C) 2020-2022 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/>.
#include "rust-attributes.h"
namespace Rust {
namespace Analysis {
// https://doc.rust-lang.org/stable/nightly-rustc/src/rustc_feature/builtin_attrs.rs.html#248
static const BuiltinAttrDefinition __definitions[] = {
{"inline", CODE_GENERATION},
{"cold", CODE_GENERATION},
{"cfg", EXPANSION},
{"cfg_attr", EXPANSION},
{"deprecated", STATIC_ANALYSIS},
{"allow", STATIC_ANALYSIS},
{"doc", HIR_LOWERING},
{"must_use", STATIC_ANALYSIS},
{"lang", HIR_LOWERING},
{"link_section", CODE_GENERATION},
{"no_mangle", CODE_GENERATION},
{"repr", CODE_GENERATION},
};
BuiltinAttributeMappings *
BuiltinAttributeMappings::get ()
{
static BuiltinAttributeMappings *instance = nullptr;
if (instance == nullptr)
instance = new BuiltinAttributeMappings ();
return instance;
}
const BuiltinAttrDefinition &
BuiltinAttributeMappings::lookup_builtin (const std::string &attr_name) const
{
auto it = mappings.find (attr_name);
if (it == mappings.end ())
return BuiltinAttrDefinition::error_node ();
return it->second;
}
BuiltinAttributeMappings::BuiltinAttributeMappings ()
{
size_t ndefinitions = sizeof (__definitions) / sizeof (BuiltinAttrDefinition);
for (size_t i = 0; i < ndefinitions; i++)
{
const BuiltinAttrDefinition &def = __definitions[i];
mappings.insert ({def.name, def});
}
}
} // namespace Analysis
} // namespace Rust
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