45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
/*
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* Parsodus - A language agnostic parser generator
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* Copyright © 2016-2017 Thomas Avé, Robin Jadoul, Kobe Wullaert
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "Parsodus/lrtables/LR1Item.h"
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namespace pds {
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namespace lr {
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bool LR1Item::operator<(const LR1Item& rhs) const {
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if (dotIdx != rhs.dotIdx) {
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return dotIdx < rhs.dotIdx;
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} else if (rule != rhs.rule) {
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return rule < rhs.rule;
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} else {
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return lookaheads < rhs.lookaheads;
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}
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}
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bool LR1Item::operator==(const LR1Item& rhs) const {
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return dotIdx == rhs.dotIdx && rule == rhs.rule && lookaheads == rhs.lookaheads;
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}
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} /* lr */
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} /* pds */
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