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