48 lines
1.1 KiB
C++
48 lines
1.1 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 "Lexer.h"
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#include "atn/LexerSkipAction.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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const Ref<LexerSkipAction> LexerSkipAction::getInstance() {
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static Ref<LexerSkipAction> instance(new LexerSkipAction());
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return instance;
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}
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LexerSkipAction::LexerSkipAction() {
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}
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LexerActionType LexerSkipAction::getActionType() const {
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return LexerActionType::SKIP;
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}
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bool LexerSkipAction::isPositionDependent() const {
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return false;
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}
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void LexerSkipAction::execute(Lexer *lexer) {
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lexer->skip();
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}
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size_t LexerSkipAction::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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return MurmurHash::finish(hash, 1);
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}
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bool LexerSkipAction::operator == (const LexerAction &obj) const {
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return &obj == this;
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}
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std::string LexerSkipAction::toString() const {
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return "skip";
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}
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