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Finish implementing Scala
This commit is contained in:
alan.invents
parent
a467bb0774
commit
b2a10419ce
3 changed files with 187 additions and 42 deletions
15
src/scala/scala.contribution.ts
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15
src/scala/scala.contribution.ts
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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import { registerLanguage } from '../_.contribution';
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registerLanguage({
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id: 'scala',
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extensions: ['.scala', '.sbt', '.sc'],
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aliases: ['Scala', 'scala', 'SBT', 'Sbt', 'sbt', 'Dotty', 'dotty'],
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mimetypes: ['text/x-scala', 'text/x-sbt', 'text/x-dotty'],
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loader: () => import('./scala')
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});
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38
src/scala/scala.test.ts
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38
src/scala/scala.test.ts
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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import { testTokenization } from '../test/testRunner';
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testTokenization('scala', [
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[{
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line: '//',
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tokens: [
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{startIndex: 0, type: 'comment.scala'}
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]
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}],
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[{
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line: ' // a comment',
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tokens: [
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{startIndex: 0, type: 'white.scala'},
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{startIndex: 4, type: 'comment.scala'}
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]
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}],
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[{
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line: 'var a = 1',
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tokens: [
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{startIndex: 0, type: 'keyword.scala'},
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{startIndex: 3, type: 'white.scala'},
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{startIndex: 4, type: 'variable.scala'},
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{startIndex: 5, type: 'white.scala'},
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{startIndex: 6, type: 'operator.scala'},
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{startIndex: 7, type: 'white.scala'},
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{startIndex: 8, type: 'number.scala'}
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]
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}]
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]);
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@ -9,8 +9,48 @@ import IRichLanguageConfiguration = monaco.languages.LanguageConfiguration;
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import ILanguage = monaco.languages.IMonarchLanguage;
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export const conf: IRichLanguageConfiguration = {
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/*
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* `...` is allowed as an identifier.
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* $ is allowed in identifiers.
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* unary_<op> is allowed as an identifier.
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* <name>_= is allowed as an identifier.
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*/
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wordPattern: /(unary_[@~!#%^&*()\-=+\\|:<>\/?]+)|([a-zA-Z_$][\w$]*?_=)|(`[^`]+`)|([a-zA-Z_$][\w$]*)/g,
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comments: {
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lineComment: '//',
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blockComment: ['/*', '*/'],
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},
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brackets: [
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['{', '}'],
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['[', ']'],
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['(', ')'],
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],
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autoClosingPairs: [
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{ open: '{', close: '}' },
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{ open: '[', close: ']' },
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{ open: '(', close: ')' },
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{ open: '"', close: '"' },
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{ open: '\'', close: '\'' },
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],
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surroundingPairs: [
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{ open: '{', close: '}' },
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{ open: '[', close: ']' },
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{ open: '(', close: ')' },
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{ open: '"', close: '"' },
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{ open: '\'', close: '\'' },
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],
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folding: {
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markers: {
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start: new RegExp("^\\s*//\\s*(?:(?:#?region\\b)|(?:<editor-fold\\b))"),
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end: new RegExp("^\\s*//\\s*(?:(?:#?endregion\\b)|(?:</editor-fold>))")
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}
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}
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};
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export const language = <ILanguage>{
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tokenPostfix: '.scala',
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// We can't easily add everything from Dotty, but we can at least add some of its keywords
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keywords: [
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'asInstanceOf',
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'catch', 'class', 'classOf',
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@ -18,7 +58,7 @@ export const conf: IRichLanguageConfiguration = {
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'else', 'extends',
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'finally', 'for', 'foreach', 'forSome',
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'if', 'import', 'isInstanceOf',
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'match',
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'macro', 'match',
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'new',
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'object',
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'package',
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@ -27,7 +67,16 @@ export const conf: IRichLanguageConfiguration = {
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'until',
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'val', 'var',
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'while', 'with',
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'yield'
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'yield',
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// Dotty-specific:
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'given', 'enum', 'then'
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],
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// Dotty-specific:
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softKeywords: [
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'as', 'export', 'extension', 'end',
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'derives', 'on'
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],
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constants: [
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@ -40,10 +89,16 @@ export const conf: IRichLanguageConfiguration = {
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'private', 'protected', 'sealed'
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],
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name: /[a-z_$][\w$]*/,
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// Dotty-specific:
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softModifiers: [
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'inline', 'opaque', 'open', 'transparent', 'using'
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],
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name: /(?:[a-z_$][\w$]*|`[^`]+`)/,
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type: /(?:[A-Z][\w$]*)/,
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// we include these common regular expressions
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symbols: /[=><!~?:&|+\-*\/\^%@#]+/,
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symbols: /[=><!~?:&|+\-*\/^\\%@#]+/,
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// C# style strings
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escapes: /\\(?:[btnfr\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
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@ -67,32 +122,31 @@ export const conf: IRichLanguageConfiguration = {
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[/"/, {token: 'string.quote', bracket: '@open', next: '@string'}],
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// numbers
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[/[+\-]?(?:\d[_\d])*\.\d+[dDfFlL]?([eE][\-+]?\d+)?/, 'number.float'],
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[/0[xX][0-9a-fA-F]+/, 'number.hex'],
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[/[+\-]?\d[_\d]*[dDfFlL]?/, 'number'],
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[/[+\-]?(?:\d[_\d])*\.\d+[dDfFlL]?([eE][\-+]?\d+)?/, 'number.float', '@allowMethod'],
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[/0[xX][0-9a-fA-F]+/, 'number.hex', '@allowMethod'],
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[/[+\-]?\d[_\d]*[dDfFlL]?/, 'number', '@allowMethod'],
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[/\b_\*/, 'key'],
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[/\b(_)(\b)/, 'keyword'],
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[/\b(_)\b/, 'keyword', '@allowMethod'],
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// identifiers and keywords
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[/\bimport\b/, 'keyword', '@import'],
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[/\b(case)([ \t]+)(class)\b/, ['tag.id.pug', 'white', 'keyword']],
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[/\bcase\b/, 'keyword', '@case'],
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[/\bva[lr]\b/, 'keyword', '@vardef'],
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[/\b(def[ \t]+)(@name)/, ['keyword', 'keyword.flow']],
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[/@name(?=:(?!:))/, 'variable'],
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[/(\.)(@name)(?=[ \t]*[({])/, ['operator', 'keyword.flow']],
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[/@name(?=[ \t]*[({])/, {cases: {
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'@keywords': 'keyword',
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'@default': 'keyword.flow'
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}}],
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[/(\{)(\s*)(@name(?=\s*=>))/, ['@brackets', 'white', 'variable']],
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[/\b(def[ \t]+)((?:unary_)?@symbols|@name(?:_=)|@name)/, ['keyword', 'keyword.flow']],
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[/@name(?=[ \t]*:(?!:))/, 'variable'],
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[/(\.)(@name|@symbols)/, ['operator', {token: 'keyword.flow', next: '@allowMethod'}]],
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[/([{(])(\s*)(@name(?=\s*=>))/, ['@brackets', 'white', 'variable']],
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[/@name/, {cases: {
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'@keywords': 'keyword',
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'@softKeywords': 'keyword',
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'@modifiers': 'tag.id.pug',
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'@constants': 'constant',
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'@default': 'identifier'
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'@softModifiers': 'tag.id.pug',
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'@constants': {token: 'constant', next: '@allowMethod'},
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'@default': {token: 'identifier', next: '@allowMethod'}
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}}],
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[/[A-Z]\w*/, 'type.identifier'],
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[/@type/, 'type', '@allowMethod'],
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// whitespace
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{include: '@whitespace'},
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@ -101,33 +155,67 @@ export const conf: IRichLanguageConfiguration = {
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[/@[a-zA-Z_$][\w$]*(?:\.[a-zA-Z_$][\w$]*)*/, 'annotation'],
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// delimiters and operators
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[/[{}()]/, '@brackets'],
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[/[\[\]]/, 'operator.scss'],
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[/[=-]>|<-|>:|<:|<%/, 'keyword'],
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[/[{(]/, '@brackets'],
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[/[})]/, '@brackets', '@allowMethod'],
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[/\[/, 'operator.scss'],
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[/](?!\s*(?:va[rl]|def|type)\b)/, 'operator.scss', '@allowMethod'],
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[/]/, 'operator.scss'],
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[/([=-]>|<-|>:|<:|:>|<%)(?=[\s\w()[\]{},\."'`])/, 'keyword'],
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[/@symbols/, 'operator'],
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// delimiter: after number because of .\d floats
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[/[;,.]/, 'delimiter'],
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[/[;,\.]/, 'delimiter'],
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// symbols
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[/'[a-zA-Z$][\w$]*(?!')/, 'attribute.name'],
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// characters
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[/'[^\\']'/, 'string'],
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[/(')(@escapes)(')/, ['string', 'string.escape', 'string']],
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[/'[^\\']'/, 'string', '@allowMethod'],
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[/(')(@escapes)(')/, ['string', 'string.escape', {token: 'string', next: '@allowMethod'}]],
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[/'/, 'string.invalid']
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],
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import: [
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[/;/, 'delimiter', '@pop'],
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[/^|$/, '', '@pop'],
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[/[ \t]+/, 'white'],
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[/[\n\r]+/, 'white', '@pop'],
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[/\/\*/, 'comment', '@comment'],
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[/@name|@type/, 'type'],
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[/[(){}]/, '@brackets'],
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[/[[\]]/, 'operator.scss'],
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[/[\.,]/, 'delimiter'],
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],
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allowMethod: [
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[/^|$/, '', '@pop'],
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[/[ \t]+/, 'white'],
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[/[\n\r]+/, 'white', '@pop'],
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[/\/\*/, 'comment', '@comment'],
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[/(?==>[\s\w([{])/, 'keyword', '@pop'],
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[/(@name|@symbols)(?=[ \t]*[[({"'`]|[ \t]+(?:[+-]?\.?\d|\w))/, {
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cases: {
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'@keywords': {token: 'keyword', next: '@pop'},
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'->|<-|>:|<:|<%': {token: 'keyword', next: '@pop'},
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'@default': {token: 'keyword.flow', next: '@pop'}
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}
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}],
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["", "", "@pop"]
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],
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comment: [
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[/[^\/*]+/, 'comment'],
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[/\/\*/, 'comment', '@push'], // nested comment
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["\\*/", 'comment', '@pop'],
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[/\*\//, 'comment', '@pop'],
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[/[\/*]/, 'comment']
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],
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case: [
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[/\b_\*/, 'key'],
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[/\b(_|true|false|null|this|super)\b/, 'keyword'],
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[/\b(_|true|false|null|this|super)\b/, 'keyword', '@allowMethod'],
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[/\bif\b|=>/, 'keyword', '@pop'],
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[/`@name`/, 'identifier'],
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[/@name/, 'variable'],
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[/`[^`]+`/, 'identifier', '@allowMethod'],
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[/@name/, 'variable', '@allowMethod'],
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[/:::?|\||@(?![a-z_$])/, 'keyword'],
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{include: '@root'}
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],
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@ -137,7 +225,7 @@ export const conf: IRichLanguageConfiguration = {
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[/\b(_|true|false|null|this|super)\b/, 'keyword'],
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[/@name/, 'variable'],
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[/:::?|\||@(?![a-z_$])/, 'keyword'],
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[/[=:]/, 'operator', '@pop'],
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[/=|:(?!:)/, 'operator', '@pop'],
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[/$/, 'white', '@pop'],
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{include: '@root'}
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],
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@ -146,20 +234,21 @@ export const conf: IRichLanguageConfiguration = {
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[/[^\\"\n\r]+/, 'string'],
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[/@escapes/, 'string.escape'],
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[/\\./, 'string.escape.invalid'],
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[/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
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[/"/, {token: 'string.quote', bracket: '@close', switchTo: '@allowMethod'}],
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],
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stringt: [
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[/[^\\"\n\r]+/, 'string'],
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[/@escapes/, 'string.escape'],
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[/\\./, 'string.escape.invalid'],
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[/"""/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
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[/"(?=""")/, 'string'],
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[/"""/, {token: 'string.quote', bracket: '@close', switchTo: '@allowMethod'}],
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[/"/, 'string']
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],
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fstring: [
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[/@escapes/, 'string.escape'],
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[/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
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[/"/, {token: 'string.quote', bracket: '@close', switchTo: '@allowMethod'}],
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[/\$\$/, 'string'],
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[/(\$)([a-z_]\w*)/, ['operator', 'identifier']],
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[/\$\{/, 'operator', '@interp'],
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@ -173,7 +262,8 @@ export const conf: IRichLanguageConfiguration = {
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fstringt: [
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[/@escapes/, 'string.escape'],
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[/"""/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
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[/"(?=""")/, 'string'],
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[/"""/, {token: 'string.quote', bracket: '@close', switchTo: '@allowMethod'}],
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[/\$\$/, 'string'],
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[/(\$)([a-z_]\w*)/, ['operator', 'identifier']],
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[/\$\{/, 'operator', '@interp'],
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@ -187,7 +277,7 @@ export const conf: IRichLanguageConfiguration = {
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sstring: [
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[/@escapes/, 'string.escape'],
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[/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
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[/"/, {token: 'string.quote', bracket: '@close', switchTo: '@allowMethod'}],
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[/\$\$/, 'string'],
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[/(\$)([a-z_]\w*)/, ['operator', 'identifier']],
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[/\$\{/, 'operator', '@interp'],
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@ -196,7 +286,8 @@ export const conf: IRichLanguageConfiguration = {
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sstringt: [
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[/@escapes/, 'string.escape'],
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[/"""/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
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[/"(?=""")/, 'string'],
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[/"""/, {token: 'string.quote', bracket: '@close', switchTo: '@allowMethod'}],
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[/\$\$/, 'string'],
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[/(\$)([a-z_]\w*)/, ['operator', 'identifier']],
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[/\$\{/, 'operator', '@interp'],
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@ -204,19 +295,20 @@ export const conf: IRichLanguageConfiguration = {
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],
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interp: [
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[/\{/, 'operator', '@push'],
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[/\}/, 'operator', '@pop'],
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[/{/, 'operator', '@push'],
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[/}/, 'operator', '@pop'],
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{include: '@root'}
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],
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rawstring: [
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[/[^"]/, 'string'],
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[/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}]
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[/"/, {token: 'string.quote', bracket: '@close', switchTo: '@allowMethod'}]
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],
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rawstringt: [
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[/[^"]/, 'string'],
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[/"""/, {token: 'string.quote', bracket: '@close', next: '@pop'}],
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[/"(?=""")/, 'string'],
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[/"""/, {token: 'string.quote', bracket: '@close', switchTo: '@allowMethod'}],
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[/"/, 'string']
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],
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