blob: 959beab3d5018e2025afcdf2965c5cdfcff0e472 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* 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/LexerChannelAction.h"
using namespace antlr4::atn;
using namespace antlr4::misc;
LexerChannelAction::LexerChannelAction(int channel) : _channel(channel) {
}
int LexerChannelAction::getChannel() const {
return _channel;
}
LexerActionType LexerChannelAction::getActionType() const {
return LexerActionType::CHANNEL;
}
bool LexerChannelAction::isPositionDependent() const {
return false;
}
void LexerChannelAction::execute(Lexer *lexer) {
lexer->setChannel(_channel);
}
size_t LexerChannelAction::hashCode() const {
size_t hash = MurmurHash::initialize();
hash = MurmurHash::update(hash, static_cast<size_t>(getActionType()));
hash = MurmurHash::update(hash, _channel);
return MurmurHash::finish(hash, 2);
}
bool LexerChannelAction::operator == (const LexerAction &obj) const {
if (&obj == this) {
return true;
}
const LexerChannelAction *action = dynamic_cast<const LexerChannelAction *>(&obj);
if (action == nullptr) {
return false;
}
return _channel == action->_channel;
}
std::string LexerChannelAction::toString() const {
return "channel(" + std::to_string(_channel) + ")";
}
|
