blob: 0f783d5d79518f748ab603230e0a1841f3ae89ba (
plain) (
blame)
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
56
57
58
59
60
61
62
63
64
|
/* 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 "Token.h"
#include "Vocabulary.h"
using namespace antlr4::dfa;
const Vocabulary Vocabulary::EMPTY_VOCABULARY;
Vocabulary::Vocabulary(std::vector<std::string> literalNames, std::vector<std::string> symbolicNames)
: Vocabulary(std::move(literalNames), std::move(symbolicNames), {}) {
}
Vocabulary::Vocabulary(std::vector<std::string> literalNames,
std::vector<std::string> symbolicNames, std::vector<std::string> displayNames)
: _literalNames(std::move(literalNames)), _symbolicNames(std::move(symbolicNames)), _displayNames(std::move(displayNames)),
_maxTokenType(std::max(_displayNames.size(), std::max(_literalNames.size(), _symbolicNames.size())) - 1) {
// See note here on -1 part: https://github.com/antlr/antlr4/pull/1146
}
std::string_view Vocabulary::getLiteralName(size_t tokenType) const {
if (tokenType < _literalNames.size()) {
return _literalNames[tokenType];
}
return "";
}
std::string_view Vocabulary::getSymbolicName(size_t tokenType) const {
if (tokenType == Token::EOF) {
return "EOF";
}
if (tokenType < _symbolicNames.size()) {
return _symbolicNames[tokenType];
}
return "";
}
std::string Vocabulary::getDisplayName(size_t tokenType) const {
if (tokenType < _displayNames.size()) {
std::string_view displayName = _displayNames[tokenType];
if (!displayName.empty()) {
return std::string(displayName);
}
}
std::string_view literalName = getLiteralName(tokenType);
if (!literalName.empty()) {
return std::string(literalName);
}
std::string_view symbolicName = getSymbolicName(tokenType);
if (!symbolicName.empty()) {
return std::string(symbolicName);
}
return std::to_string(tokenType);
}
|
