56 lines
1.4 KiB
C++
Executable File
56 lines
1.4 KiB
C++
Executable File
/* 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 "Lexer.h"
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#include "atn/LexerChannelAction.h"
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using namespace antlr4::atn;
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using namespace antlr4::misc;
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LexerChannelAction::LexerChannelAction(int channel) : _channel(channel) {
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}
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int LexerChannelAction::getChannel() const {
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return _channel;
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}
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LexerActionType LexerChannelAction::getActionType() const {
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return LexerActionType::CHANNEL;
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}
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bool LexerChannelAction::isPositionDependent() const {
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return false;
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}
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void LexerChannelAction::execute(Lexer *lexer) {
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lexer->setChannel(_channel);
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}
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size_t LexerChannelAction::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, _channel);
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return MurmurHash::finish(hash, 2);
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}
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bool LexerChannelAction::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 LexerChannelAction *action = dynamic_cast<const LexerChannelAction *>(&obj);
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if (action == nullptr) {
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return false;
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}
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return _channel == action->_channel;
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}
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std::string LexerChannelAction::toString() const {
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return "channel(" + std::to_string(_channel) + ")";
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}
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