Create scala.ts

src/scala/scala.ts

@@ -0,0 +1,229 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import IRichLanguageConfiguration = monaco.languages.LanguageConfiguration;
+import ILanguage = monaco.languages.IMonarchLanguage;
+
+export const conf: IRichLanguageConfiguration = {
+	tokenPostfix: '.scala',
+
+	keywords: [
+		'asInstanceOf',
+		'catch', 'class', 'classOf',
+		'def', 'do',
+		'else', 'extends',
+		'finally', 'for', 'foreach', 'forSome',
+		'if', 'import', 'isInstanceOf',
+		'match',
+		'new',
+		'object',
+		'package',
+		'return',
+		'throw', 'trait', 'try', 'type',
+		'until',
+		'val', 'var',
+		'while', 'with',
+		'yield'
+	],
+
+	constants: [
+		'true', 'false', 'null',
+		'this', 'super'
+	],
+
+	modifiers: [
+		'abstract', 'final', 'implicit', 'lazy', 'override',
+		'private', 'protected', 'sealed'
+	],
+
+	name: /[a-z_$][\w$]*/,
+
+	// we include these common regular expressions
+	symbols: /[=><!~?:&|+\-*\/\^%@#]+/,
+
+	// C# style strings
+	escapes: /\\(?:[btnfr\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
+
+	fstring_conv: /[bBhHsScCdoxXeEfgGaAt]|[Tn](?:[HIklMSLNpzZsQ]|[BbhAaCYyjmde]|[RTrDFC])/,
+
+	// The main tokenizer for our languages
+	tokenizer: {
+		root: [
+			// strings
+			[/\braw"""/, {token: 'string.quote', bracket: '@open', next: '@rawstringt'}],
+			[/\braw"/, {token: 'string.quote', bracket: '@open', next: '@rawstring'}],
+
+			[/\bs"""/, {token: 'string.quote', bracket: '@open', next: '@sstringt'}],
+			[/\bs"/, {token: 'string.quote', bracket: '@open', next: '@sstring'}],
+
+			[/\bf""""/, {token: 'string.quote', bracket: '@open', next: '@fstringt'}],
+			[/\bf"/, {token: 'string.quote', bracket: '@open', next: '@fstring'}],
+
+			[/"""/, {token: 'string.quote', bracket: '@open', next: '@stringt'}],
+			[/"/, {token: 'string.quote', bracket: '@open', next: '@string'}],
+
+			// numbers
+			[/[+\-]?(?:\d[_\d])*\.\d+[dDfFlL]?([eE][\-+]?\d+)?/, 'number.float'],
+			[/0[xX][0-9a-fA-F]+/, 'number.hex'],
+			[/[+\-]?\d[_\d]*[dDfFlL]?/, 'number'],
+
+			[/\b_\*/, 'key'],
+			[/\b(_)(\b)/, 'keyword'],
+			
+			// identifiers and keywords
+			[/\b(case)([ \t]+)(class)\b/, ['tag.id.pug', 'white', 'keyword']],
+			[/\bcase\b/, 'keyword', '@case'],
+			[/\bva[lr]\b/, 'keyword', '@vardef'],
+			[/\b(def[ \t]+)(@name)/, ['keyword', 'keyword.flow']],
+			[/@name(?=:(?!:))/, 'variable'],
+			[/(\.)(@name)(?=[ \t]*[({])/, ['operator', 'keyword.flow']],
+			[/@name(?=[ \t]*[({])/, {cases: {
+				'@keywords': 'keyword',
+				'@default': 'keyword.flow'
+			}}],
+			[/(\{)(\s*)(@name(?=\s*=>))/, ['@brackets', 'white', 'variable']],
+			[/@name/, {cases: {
+				'@keywords': 'keyword',
+				'@modifiers': 'tag.id.pug',
+				'@constants': 'constant',
+				'@default': 'identifier'
+			}}],
+			[/[A-Z]\w*/, 'type.identifier'],
+
+			// whitespace
+			{include: '@whitespace'},
+			
+			// @ annotations.
+			[/@[a-zA-Z_$][\w$]*(?:\.[a-zA-Z_$][\w$]*)*/, 'annotation'],
+
+			// delimiters and operators
+			[/[{}()]/, '@brackets'],
+			[/[\[\]]/, 'operator.scss'],
+			[/[=-]>|<-|>:|<:|<%/, 'keyword'],
+			[/@symbols/, 'operator'],
+
+			// delimiter: after number because of .\d floats
+			[/[;,.]/, 'delimiter'],
+
+			// characters
+			[/'[^\\']'/, 'string'],
+			[/(')(@escapes)(')/, ['string', 'string.escape', 'string']],
+			[/'/, 'string.invalid']
+		],
+
+		comment: [
+			[/[^\/*]+/, 'comment'],
+			[/\/\*/, 'comment', '@push'], // nested comment
+			["\\*/", 'comment', '@pop'],
+			[/[\/*]/, 'comment']
+		],
+
+		case: [
+			[/\b_\*/, 'key'],
+			[/\b(_|true|false|null|this|super)\b/, 'keyword'],
+			[/\bif\b|=>/, 'keyword', '@pop'],
+			[/`@name`/, 'identifier'],
+			[/@name/, 'variable'],
+			[/:::?|\||@(?![a-z_$])/, 'keyword'],
+			{include: '@root'}
+		],
+
+		vardef: [
+			[/\b_\*/, 'key'],
+			[/\b(_|true|false|null|this|super)\b/, 'keyword'],
+			[/@name/, 'variable'],
+			[/:::?|\||@(?![a-z_$])/, 'keyword'],
+			[/[=:]/, 'operator', '@pop'],
+			[/$/, 'white', '@pop'],
+			{include: '@root'}
+		],
+
+		string: [
+			[/[^\\"\n\r]+/, 'string'],
+			[/@escapes/, 'string.escape'],
+			[/\\./, 'string.escape.invalid'],
+			[/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
+		],
+
+		stringt: [
+			[/[^\\"\n\r]+/,	'string'],
+			[/@escapes/, 'string.escape'],
+			[/\\./, 'string.escape.invalid'],
+			[/"""/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
+			[/"/, 'string']
+		],
+
+		fstring: [
+			[/@escapes/, 'string.escape'],
+			[/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
+			[/\$\$/, 'string'],
+			[/(\$)([a-z_]\w*)/, ['operator', 'identifier']],
+			[/\$\{/, 'operator', '@interp'],
+			[/%%/, 'string'],
+			[/(%)([\-#+ 0,(])(\d+|\.\d+|\d+\.\d+)(@fstring_conv)/, ['metatag', 'tag.id.pug', 'number', 'metatag']],
+			[/(%)(\d+|\.\d+|\d+\.\d+)(@fstring_conv)/, ['metatag', 'number', 'metatag']],
+			[/(%)([\-#+ 0,(])(@fstring_conv)/, ['metatag', 'tag.id.pug', 'metatag']],
+			[/(%)(@fstring_conv)/, ['metatag', 'metatag']],
+			[/./, 'string']
+		],
+
+		fstringt: [
+			[/@escapes/, 'string.escape'],
+			[/"""/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
+			[/\$\$/, 'string'],
+			[/(\$)([a-z_]\w*)/, ['operator', 'identifier']],
+			[/\$\{/, 'operator', '@interp'],
+			[/%%/, 'string'],
+			[/(%)([\-#+ 0,(])(\d+|\.\d+|\d+\.\d+)(@fstring_conv)/, ['metatag', 'tag.id.pug', 'number', 'metatag']],
+			[/(%)(\d+|\.\d+|\d+\.\d+)(@fstring_conv)/, ['metatag', 'number', 'metatag']],
+			[/(%)([\-#+ 0,(])(@fstring_conv)/, ['metatag', 'tag.id.pug', 'metatag']],
+			[/(%)(@fstring_conv)/, ['metatag', 'metatag']],
+			[/./, 'string']
+		],
+
+		sstring: [
+			[/@escapes/, 'string.escape'],
+			[/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
+			[/\$\$/, 'string'],
+			[/(\$)([a-z_]\w*)/, ['operator', 'identifier']],
+			[/\$\{/, 'operator', '@interp'],
+			[/./, 'string']
+		],
+
+		sstringt: [
+			[/@escapes/, 'string.escape'],
+			[/"""/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
+			[/\$\$/, 'string'],
+			[/(\$)([a-z_]\w*)/, ['operator', 'identifier']],
+			[/\$\{/, 'operator', '@interp'],
+			[/./, 'string']
+		],
+
+		interp: [
+			[/\{/, 'operator', '@push'],
+			[/\}/, 'operator', '@pop'],
+			{include: '@root'}
+		],
+
+		rawstring: [
+			[/[^"]/, 'string'],
+			[/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}]
+		],
+
+		rawstringt: [
+			[/[^"]/, 'string'],
+			[/"""/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
+			[/"/, 'string']
+		],
+
+		whitespace: [
+			[/[ \t\r\n]+/, 'white'],
+			[/\/\*/, 'comment', '@comment'],
+			[/\/\/.*$/, 'comment'],
+		],
+	},
+};