knowledgebase_law/node_modules/refractor/lang/antlr4.js
2025-04-11 11:47:09 -04:00

75 lines
1.9 KiB
JavaScript

'use strict'
module.exports = antlr4
antlr4.displayName = 'antlr4'
antlr4.aliases = ['g4']
function antlr4(Prism) {
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
}