57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
|
/* 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 "atn/LexerModeAction.h"
|
||
|
|
|
||
|
|
using namespace antlr4;
|
||
|
|
using namespace antlr4::atn;
|
||
|
|
using namespace antlr4::misc;
|
||
|
|
|
||
|
|
LexerModeAction::LexerModeAction(int mode) : _mode(mode) {
|
||
|
|
}
|
||
|
|
|
||
|
|
int LexerModeAction::getMode() {
|
||
|
|
return _mode;
|
||
|
|
}
|
||
|
|
|
||
|
|
LexerActionType LexerModeAction::getActionType() const {
|
||
|
|
return LexerActionType::MODE;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool LexerModeAction::isPositionDependent() const {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void LexerModeAction::execute(Lexer *lexer) {
|
||
|
|
lexer->setMode(_mode);
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t LexerModeAction::hashCode() const {
|
||
|
|
size_t hash = MurmurHash::initialize();
|
||
|
|
hash = MurmurHash::update(hash, static_cast<size_t>(getActionType()));
|
||
|
|
hash = MurmurHash::update(hash, _mode);
|
||
|
|
return MurmurHash::finish(hash, 2);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool LexerModeAction::operator == (const LexerAction &obj) const {
|
||
|
|
if (&obj == this) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
const LexerModeAction *action = dynamic_cast<const LexerModeAction *>(&obj);
|
||
|
|
if (action == nullptr) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return _mode == action->_mode;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string LexerModeAction::toString() const {
|
||
|
|
return "mode(" + std::to_string(_mode) + ")";
|
||
|
|
}
|