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/*
Ousía
Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel
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, either version 3 of the License, or
(at your option) any later version.
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/>.
*/
#include "TokenStack.hpp"
namespace ousia {
namespace parser_stack {
void TokenStack::pushTokens(const std::vector<TokenSyntaxDescriptor> &tokens)
{
stack.push_back(tokens);
}
void TokenStack::popTokens() { stack.pop_back(); }
TokenSet TokenStack::tokens() const
{
if (stack.empty() && parentStack != nullptr) {
return parentStack->tokens();
}
TokenSet res;
for (const TokenSyntaxDescriptor &descr : stack.back()) {
descr.insertIntoTokenSet(res);
}
return res;
}
}
}
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