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// This file is part of Cait <https://github.com/Fuwn/cait>.
// Copyright (C) 2022-2022 Fuwn <[email protected]>
//
// This program 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, version 3.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
//
// Copyright (C) 2022-2022 Fuwn <[email protected]>
// SPDX-License-Identifier: GPL-3.0-only
#include <thread>
#include "context.hh"
namespace cait {
context::context(const parser &parser) {
this->jobs = std::thread::hardware_concurrency() + 2;
for (const auto &parse_node : parser.nodes()) {
std::visit(
[this](auto &node) {
using T = std::decay_t<decltype(node)>;
if constexpr (std::is_same_v<T, node::variable>) {
this->identifiers.insert(
{std::make_pair(node.name().word,
token_type::variable_declaration),
node});
} else if constexpr (std::is_same_v<T, node::rule>) {
this->identifiers.insert(
{std::make_pair(node.name().word, token_type::rule_declaration),
node});
}
},
parse_node);
}
}
[[maybe_unused]] auto context::variable(const std::string &variable)
-> std::optional<node::variable> {
auto *it = std::get_if<node::variable>(&this->identifiers.at(
std::make_pair(variable, token_type::variable_declaration)));
if (it == nullptr) {
return std::nullopt;
}
return *it;
}
[[maybe_unused]] auto context::rule(const std::string &variable)
-> std::optional<node::rule> {
auto *it = std::get_if<node::rule>(&this->identifiers.at(
std::make_pair(variable, token_type::rule_declaration)));
if (it == nullptr) {
return std::nullopt;
}
return *it;
}
[[maybe_unused]] auto context::build(const std::string &variable)
-> std::optional<node::build> {
auto *it = std::get_if<node::build>(&this->identifiers.at(
std::make_pair(variable, token_type::build_declaration)));
if (it == nullptr) {
return std::nullopt;
}
return *it;
}
} // namespace cait
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