63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
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/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
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* Use of this file is governed by the BSD 3-clause license that
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* can be found in the LICENSE.txt file in the project root.
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*/
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#include "misc/MurmurHash.h"
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#include "support/CPPUtils.h"
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#include "Lexer.h"
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#include "atn/LexerCustomAction.h"
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using namespace antlr4;
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using namespace antlr4::atn;
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using namespace antlr4::misc;
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LexerCustomAction::LexerCustomAction(size_t ruleIndex, size_t actionIndex) : _ruleIndex(ruleIndex), _actionIndex(actionIndex) {
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}
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size_t LexerCustomAction::getRuleIndex() const {
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return _ruleIndex;
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}
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size_t LexerCustomAction::getActionIndex() const {
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return _actionIndex;
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}
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LexerActionType LexerCustomAction::getActionType() const {
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return LexerActionType::CUSTOM;
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}
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bool LexerCustomAction::isPositionDependent() const {
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return true;
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}
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void LexerCustomAction::execute(Lexer *lexer) {
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lexer->action(nullptr, _ruleIndex, _actionIndex);
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}
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size_t LexerCustomAction::hashCode() const {
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size_t hash = MurmurHash::initialize();
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hash = MurmurHash::update(hash, static_cast<size_t>(getActionType()));
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hash = MurmurHash::update(hash, _ruleIndex);
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hash = MurmurHash::update(hash, _actionIndex);
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return MurmurHash::finish(hash, 3);
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}
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bool LexerCustomAction::operator == (const LexerAction &obj) const {
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if (&obj == this) {
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return true;
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}
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const LexerCustomAction *action = dynamic_cast<const LexerCustomAction *>(&obj);
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if (action == nullptr) {
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return false;
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}
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return _ruleIndex == action->_ruleIndex && _actionIndex == action->_actionIndex;
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}
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std::string LexerCustomAction::toString() const {
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return antlrcpp::toString(this);
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}
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