Locally add prismjs

node_modules/prismjs/components/prism-antlr4.js

@@ -0,0 +1,65 @@
+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;