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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/CPPUtils.h"
#include "atn/LexerIndexedCustomAction.h"
using namespace antlr4;
using namespace antlr4::atn;
using namespace antlr4::misc;
LexerIndexedCustomAction::LexerIndexedCustomAction(int offset, Ref<LexerAction> const& action)
: _offset(offset), _action(action) {
}
int LexerIndexedCustomAction::getOffset() const {
return _offset;
}
Ref<LexerAction> LexerIndexedCustomAction::getAction() const {
return _action;
}
LexerActionType LexerIndexedCustomAction::getActionType() const {
return _action->getActionType();
}
bool LexerIndexedCustomAction::isPositionDependent() const {
return true;
}
void LexerIndexedCustomAction::execute(Lexer *lexer) {
// assume the input stream position was properly set by the calling code
_action->execute(lexer);
}
size_t LexerIndexedCustomAction::hashCode() const {
size_t hash = MurmurHash::initialize();
hash = MurmurHash::update(hash, _offset);
hash = MurmurHash::update(hash, _action);
return MurmurHash::finish(hash, 2);
}
bool LexerIndexedCustomAction::operator == (const LexerAction &obj) const {
if (&obj == this) {
return true;
}
const LexerIndexedCustomAction *action = dynamic_cast<const LexerIndexedCustomAction *>(&obj);
if (action == nullptr) {
return false;
}
return _offset == action->_offset && *_action == *action->_action;
}
std::string LexerIndexedCustomAction::toString() const {
return antlrcpp::toString(this);
}
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