Adding hcl / terraform language

src/hcl/hcl.contribution.ts

@@ -0,0 +1,14 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 { registerLanguage } from '../_.contribution';
+
+registerLanguage({
+	id: 'hcl',
+	extensions: ['.tf', '.tfvars', '.hcl'],
+	aliases: ['Terraform', 'tf', 'HCL', 'hcl'],
+	loader: () => import('./hcl')
+});

src/hcl/hcl.ts

@@ -0,0 +1,117 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 = {
+	comments: {
+		lineComment: '//',
+		blockComment: ['/*', '*/'],
+	},
+	brackets: [
+		['{', '}'],
+		['[', ']'],
+		['(', ')']
+	],
+	autoClosingPairs: [
+		{ open: '{', close: '}' },
+		{ open: '[', close: ']' },
+		{ open: '(', close: ')' },
+		{ open: '"', close: '"', notIn: ['string'] },
+		{ open: '\'', close: '\'', notIn: ['string', 'comment'] },
+	],
+	surroundingPairs: [
+		{ open: '{', close: '}' },
+		{ open: '[', close: ']' },
+		{ open: '(', close: ')' },
+		{ open: '"', close: '"' },
+		{ open: '\'', close: '\'' },
+	]
+};
+
+export const language = <ILanguage>{
+	defaultToken: '',
+	tokenPostfix: '.tf',
+
+	keywords: [
+		'var', 'local', 'module', 'data', 'path', 'terraform',
+		'resource', 'provider', 'variable', 'output', 'locals',
+		'any', 'string', 'number', 'bool',
+		'abs', 'ceil', 'floor', 'log', 'max', 'min', 'pow', 'signum', 'chomp', 'format', 'formatlist', 'indent', 'join', 'lower', 'regex', 'regexall', 'replace', 'split', 'strrev', 'substr', 'title', 'trimspace', 'upper', 'chunklist', 'coalesce', 'coalescelist', 'compact', 'concat', 'contains', 'distinct', 'element', 'flatten', 'index', 'keys', 'length', 'list', 'lookup', 'map', 'matchkeys', 'merge', 'range', 'reverse', 'setintersection', 'setproduct', 'setunion', 'slice', 'sort', 'transpose', 'values', 'zipmap', 'base64decode', 'base64encode', 'base64gzip', 'csvdecode', 'jsondecode', 'jsonencode', 'urlencode', 'yamldecode', 'yamlencode', 'abspath', 'dirname', 'pathexpand', 'basename', 'file', 'fileexists', 'fileset', 'filebase64', 'templatefile', 'formatdate', 'timeadd', 'timestamp', 'base64sha256', 'base64sha512', 'bcrypt', 'filebase64sha256', 'filebase64sha512', 'filemd5', 'filemd1', 'filesha256', 'filesha512', 'md5', 'rsadecrypt', 'sha1', 'sha256', 'sha512', 'uuid', 'uuidv5', 'cidrhost', 'cidrnetmask', 'cidrsubnet', 'tobool', 'tolist', 'tomap', 'tonumber', 'toset', 'tostring',
+		'true', 'false', 'null',
+		'if ', 'else ', 'endif ', 'for ', 'in', 'endfor'
+	],
+
+	operators: [
+	    '>=', '<=', '==', '!=', '+', '-', '*', '/', '%', '&&', '||', '!', '<', '>', '?', '...', ':',
+	],
+
+	// we include these common regular expressions
+	symbols: /[=><!~?:&|+\-*\/\^%]+/,
+	escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
+	variable: /\${?[\w]+}?/,
+
+	// The main tokenizer for our languages
+	tokenizer: {
+		root: [
+			// identifiers and keywords
+			[/[a-zA-Z_]\w*/, {
+				cases: {
+					'@keywords': { token: 'keyword.$0' },
+					'@default': 'identifier'
+				}
+			}],
+
+			// whitespace
+			{ include: '@whitespace' },
+
+			// delimiters and operators
+			[/[{}()\[\]]/, '@brackets'],
+			[/[<>](?!@symbols)/, '@brackets'],
+			[/@symbols/, {
+				cases: {
+					'@operators': 'delimiter',
+					'@default': ''
+				}
+			}],
+
+			// numbers
+			[/\d*\d+[eE]([\-+]?\d+)?/, 'number.float'],
+			[/\d*\.\d+([eE][\-+]?\d+)?/, 'number.float'],
+			[/\d[\d']*/, 'number'],
+			[/\d/, 'number'],
+
+			// delimiter: after number because of .\d floats
+			[/[;,.]/, 'delimiter'],
+
+			// strings
+			[/"([^"\\]|\\.)*$/, 'string.invalid'],  // non-teminated string
+			[/"/, 'string', '@string'],
+		],
+
+		whitespace: [
+			[/[ \t\r\n]+/, ''],
+			[/\/\*/, 'comment', '@comment'],
+			[/\/\/.*$/, 'comment'],
+			[/#.*$/, 'comment'],
+		],
+
+		comment: [
+			[/[^\/*]+/, 'comment'],
+			[/\*\//, 'comment', '@pop'],
+			[/[\/*]/, 'comment']
+		],
+
+		string: [
+			[/[^\\"]+/, 'string'],
+			[/@escapes/, 'string.escape'],
+			[/\\./, 'string.escape.invalid'],
+			[/"/, 'string', '@pop']
+		],
+	},
+};

src/monaco.contribution.ts

@@ -21,6 +21,7 @@ import './fsharp/fsharp.contribution';
 import './go/go.contribution';
 import './graphql/graphql.contribution';
 import './handlebars/handlebars.contribution';
+import './hcl/hcl.contribution';
 import './html/html.contribution';
 import './ini/ini.contribution';
 import './java/java.contribution';