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
65
66
67
68
|
Prism.languages.antlr4 = {
comment: /\/\/.*|\/\*[\s\S]*?(?:\*\/|$)/,
string: {
pattern: /'(?:\\.|[^\\'\r\n])*'/,
greedy: true,
},
'character-class': {
pattern: /\[(?:\\.|[^\\\]\r\n])*\]/,
greedy: true,
alias: 'regex',
inside: {
range: {
pattern: /([^[]|(?:^|[^\\])(?:\\\\)*\\\[)-(?!\])/,
lookbehind: true,
alias: 'punctuation',
},
escape:
/\\(?:u(?:[a-fA-F\d]{4}|\{[a-fA-F\d]+\})|[pP]\{[=\w-]+\}|[^\r\nupP])/,
punctuation: /[\[\]]/,
},
},
action: {
pattern: /\{(?:[^{}]|\{(?:[^{}]|\{(?:[^{}]|\{[^{}]*\})*\})*\})*\}/,
greedy: true,
inside: {
content: {
// this might be C, C++, Python, Java, C#, or any other language ANTLR4 compiles to
pattern: /(\{)[\s\S]+(?=\})/,
lookbehind: true,
},
punctuation: /[{}]/,
},
},
command: {
pattern:
/(->\s*(?!\s))(?:\s*(?:,\s*)?\b[a-z]\w*(?:\s*\([^()\r\n]*\))?)+(?=\s*;)/i,
lookbehind: true,
inside: {
function: /\b\w+(?=\s*(?:[,(]|$))/,
punctuation: /[,()]/,
},
},
annotation: {
pattern: /@\w+(?:::\w+)*/,
alias: 'keyword',
},
label: {
pattern: /#[ \t]*\w+/,
alias: 'punctuation',
},
keyword:
/\b(?:catch|channels|finally|fragment|grammar|import|lexer|locals|mode|options|parser|returns|throws|tokens)\b/,
definition: [
{
pattern: /\b[a-z]\w*(?=\s*:)/,
alias: ['rule', 'class-name'],
},
{
pattern: /\b[A-Z]\w*(?=\s*:)/,
alias: ['token', 'constant'],
},
],
constant: /\b[A-Z][A-Z_]*\b/,
operator: /\.\.|->|[|~]|[*+?]\??/,
punctuation: /[;:()=]/,
};
Prism.languages.g4 = Prism.languages.antlr4;
|
