Add PRQL

src/languages/prism-prql.ts

@@ -0,0 +1,51 @@
+import { rest } from '../shared/symbols';
+import type { LanguageProto } from '../types';
+
+export default {
+	id: 'prql',
+	grammar: {
+		'doc-comment': {
+			pattern: /(^|[^\\])#!.*/,
+			lookbehind: true,
+			greedy: true
+		},
+		'comment': {
+			pattern: /(^|[^\\])#.*/,
+			lookbehind: true,
+			greedy: true
+		},
+		'string-interpolation': {
+			pattern: /(?:[frs])(?:("""|''')[\s\S]*?\1|("|')(?:\\.|(?!\2)[^\\\r\n])*\2)/i,
+			greedy: true,
+			inside: {
+				'interpolation': {
+					pattern: /((?:^|[^{])(?:\{\{)*)\{(?!\{)(?:[^{}]|\{(?!\{)(?:[^{}]|\{(?!\{)(?:[^{}])+\})+\})+\}/,
+					lookbehind: true,
+					inside: {
+						'format-spec': {
+							pattern: /(:)[^:(){}]+(?=\}$)/,
+							lookbehind: true
+						},
+						[rest]: 'prql'
+					}
+				},
+				'string': /[\s\S]+/
+			}
+		},
+		'triple-quoted-string': {
+			pattern: /(?:[frs]?("""|''')[\s\S]*?\1/i,
+			greedy: true,
+			alias: 'string'
+		},
+		'string': {
+			pattern: /(?:[frs])?("|')(?:\\.|(?!\1)[^\\\r\n])*\1/i,
+			greedy: true
+		},
+		'keyword': /\b(?:_(?=\s*:)aggregate|derive|filter|from|group|join|select|sort|take|window|let|into|case|prql|type|module|internal)\b/,
+		'builtin': /\b(?:min|max|sum|average|stddev|every|any|concat_array|count|lag|lead|first|last|rank|rank_dense|row_number|round|as|in|tuple_every|tuple_map|tuple_zip|_eq|_is_null|from_text|lower|upper|read_parquet|read_csv)\b/,
+		'boolean': /\b(?:false|null|true)\b/,
+		'number': /\b0(?:b(?:_?[01])+|o(?:_?[0-7])+|x(?:_?[a-f0-9])+)\b|(?:\b\d+(?:_\d+)*(?:\.(?:\d+(?:_\d+)*)?)?|\B\.\d+(?:_\d+)*)(?:e[+-]?\d+(?:_\d+)*)?j?(?!\w)/i,
+		'operator': /[-+%=]=?|!=|~=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]/,
+		'punctuation': /[{}[\](),.:]/
+	}
+} as LanguageProto<'prql'>;