C-specific highlighting, w/ fewer MS extensions

highlight/c.ts

@@ -0,0 +1,356 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import type { languages } from '../../fillers/monaco-editor-core';
+
+export const conf: languages.LanguageConfiguration = {
+	comments: {
+		lineComment: '//',
+		blockComment: ['/*', '*/']
+	},
+	brackets: [
+		['{', '}'],
+		['[', ']'],
+		['(', ')']
+	],
+	autoClosingPairs: [
+		{ open: '[', close: ']' },
+		{ open: '{', close: '}' },
+		{ open: '(', close: ')' },
+		{ open: "'", close: "'", notIn: ['string', 'comment'] },
+		{ open: '"', close: '"', notIn: ['string'] }
+	],
+	surroundingPairs: [
+		{ open: '{', close: '}' },
+		{ open: '[', close: ']' },
+		{ open: '(', close: ')' },
+		{ open: '"', close: '"' },
+		{ open: "'", close: "'" }
+	],
+	folding: {
+		markers: {
+			start: new RegExp('^\\s*#pragma\\s+region\\b'),
+			end: new RegExp('^\\s*#pragma\\s+endregion\\b')
+		}
+	}
+};
+
+export const language = <languages.IMonarchLanguage>{
+	defaultToken: '',
+	tokenPostfix: '.c',
+
+	brackets: [
+		{ token: 'delimiter.curly', open: '{', close: '}' },
+		{ token: 'delimiter.parenthesis', open: '(', close: ')' },
+		{ token: 'delimiter.square', open: '[', close: ']' },
+		{ token: 'delimiter.angle', open: '<', close: '>' }
+	],
+
+	keywords: [
+		'abstract',
+		'amp',
+		'array',
+		'asm',
+		'auto',
+		'break',
+		'case',
+		'char',
+		'const',
+		'continue',
+		'default',
+		'do',
+		'double',
+		'dynamic_cast',
+		'else',
+		'enum',
+		'extern',
+		'float',
+		'for',
+		'goto',
+		'if',
+		'inline',
+		'int',
+		'long',
+		'register',
+		'restrict',
+		'return',
+		'short',
+		'signed',
+		'sizeof',
+		'static',
+		'struct',
+		'switch',
+		'typedef',
+		'union',
+		'unsigned',
+		'void',
+		'volatile',
+		'wchar_t',
+		'where',
+		'while',
+
+		'__abstract', // reserved word with two underscores
+		'__alignof',
+		'__asm',
+		'__assume',
+		'__based',
+		'__box',
+		'__builtin_alignof',
+		'__cdecl',
+		'__clrcall',
+		'__declspec',
+		'__delegate',
+		'__event',
+		'__except',
+		'__fastcall',
+		'__finally',
+		'__forceinline',
+		'__gc',
+		'__hook',
+		'__identifier',
+		'__if_exists',
+		'__if_not_exists',
+		'__inline',
+		'__int128',
+		'__int16',
+		'__int32',
+		'__int64',
+		'__int8',
+		'__interface',
+		'__leave',
+		'__m128',
+		'__m128d',
+		'__m128i',
+		'__m256',
+		'__m256d',
+		'__m256i',
+		'__m64',
+		'__multiple_inheritance',
+		'__newslot',
+		'__nogc',
+		'__noop',
+		'__nounwind',
+		'__novtordisp',
+		'__pascal',
+		'__pin',
+		'__pragma',
+		'__property',
+		'__ptr32',
+		'__ptr64',
+		'__raise',
+		'__restrict',
+		'__resume',
+		'__sealed',
+		'__single_inheritance',
+		'__stdcall',
+		'__super',
+		'__thiscall',
+		'__try',
+		'__try_cast',
+		'__typeof',
+		'__unaligned',
+		'__unhook',
+		'__uuidof',
+		'__value',
+		'__virtual_inheritance',
+		'__w64',
+		'__wchar_t'
+	],
+
+	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})/,
+	integersuffix: /([uU](ll|LL|l|L)|(ll|LL|l|L)?[uU]?)/,
+	floatsuffix: /[fFlL]?/,
+	encoding: /u|u8|U|L/,
+
+	// The main tokenizer for our languages
+	tokenizer: {
+		root: [
+			// C++ 11 Raw String
+			[/@encoding?R\"(?:([^ ()\\\t]*))\(/, { token: 'string.raw.begin', next: '@raw.$1' }],
+
+			// identifiers and keywords
+			[
+				/[a-zA-Z_]\w*/,
+				{
+					cases: {
+						'@keywords': { token: 'keyword.$0' },
+						'@default': 'identifier'
+					}
+				}
+			],
+
+			// The preprocessor checks must be before whitespace as they check /^\s*#/ which
+			// otherwise fails to match later after other whitespace has been removed.
+
+			// Inclusion
+			[/^\s*#\s*include/, { token: 'keyword.directive.include', next: '@include' }],
+
+			// Preprocessor directive
+			[/^\s*#\s*\w+/, 'keyword.directive'],
+
+			// whitespace
+			{ include: '@whitespace' },
+
+			// [[ attributes ]].
+			[/\[\s*\[/, { token: 'annotation', next: '@annotation' }],
+			// delimiters and operators
+			[/[{}()\[\]]/, '@brackets'],
+			[/[<>](?!@symbols)/, '@brackets'],
+			[
+				/@symbols/,
+				{
+					cases: {
+						'@operators': 'delimiter',
+						'@default': ''
+					}
+				}
+			],
+
+			// numbers
+			[/\d*\d+[eE]([\-+]?\d+)?(@floatsuffix)/, 'number.float'],
+			[/\d*\.\d+([eE][\-+]?\d+)?(@floatsuffix)/, 'number.float'],
+			[/0[xX][0-9a-fA-F']*[0-9a-fA-F](@integersuffix)/, 'number.hex'],
+			[/0[0-7']*[0-7](@integersuffix)/, 'number.octal'],
+			[/0[bB][0-1']*[0-1](@integersuffix)/, 'number.binary'],
+			[/\d[\d']*\d(@integersuffix)/, 'number'],
+			[/\d(@integersuffix)/, 'number'],
+
+			// delimiter: after number because of .\d floats
+			[/[;,.]/, 'delimiter'],
+
+			// strings
+			[/"([^"\\]|\\.)*$/, 'string.invalid'], // non-teminated string
+			[/"/, 'string', '@string'],
+
+			// characters
+			[/'[^\\']'/, 'string'],
+			[/(')(@escapes)(')/, ['string', 'string.escape', 'string']],
+			[/'/, 'string.invalid']
+		],
+
+		whitespace: [
+			[/[ \t\r\n]+/, ''],
+			[/\/\*\*(?!\/)/, 'comment.doc', '@doccomment'],
+			[/\/\*/, 'comment', '@comment'],
+			[/\/\/.*\\$/, 'comment', '@linecomment'],
+			[/\/\/.*$/, 'comment']
+		],
+
+		comment: [
+			[/[^\/*]+/, 'comment'],
+			[/\*\//, 'comment', '@pop'],
+			[/[\/*]/, 'comment']
+		],
+
+		//For use with continuous line comments
+		linecomment: [
+			[/.*[^\\]$/, 'comment', '@pop'],
+			[/[^]+/, 'comment']
+		],
+
+		//Identical copy of comment above, except for the addition of .doc
+		doccomment: [
+			[/[^\/*]+/, 'comment.doc'],
+			[/\*\//, 'comment.doc', '@pop'],
+			[/[\/*]/, 'comment.doc']
+		],
+
+		string: [
+			[/[^\\"]+/, 'string'],
+			[/@escapes/, 'string.escape'],
+			[/\\./, 'string.escape.invalid'],
+			[/"/, 'string', '@pop']
+		],
+
+		raw: [
+			[
+				/(.*)(\))(?:([^ ()\\\t"]*))(\")/,
+				{
+					cases: {
+						'$3==$S2': [
+							'string.raw',
+							'string.raw.end',
+							'string.raw.end',
+							{ token: 'string.raw.end', next: '@pop' }
+						],
+						'@default': ['string.raw', 'string.raw', 'string.raw', 'string.raw']
+					}
+				}
+			],
+			[/.*/, 'string.raw']
+		],
+
+		annotation: [
+			{ include: '@whitespace' },
+			[/[a-zA-Z0-9_]+/, 'annotation'],
+			[/[,:]/, 'delimiter'],
+			[/[()]/, '@brackets'],
+			[/\]\s*\]/, { token: 'annotation', next: '@pop' }]
+		],
+
+		include: [
+			[
+				/(\s*)(<)([^<>]*)(>)/,
+				[
+					'',
+					'keyword.directive.include.begin',
+
+
+					'string.include.identifier',
+					{ token: 'keyword.directive.include.end', next: '@pop' }
+				]
+			],
+			[
+				/(\s*)(")([^"]*)(")/,
+				[
+					'',
+					'keyword.directive.include.begin',
+					'string.include.identifier',
+					{ token: 'keyword.directive.include.end', next: '@pop' }
+				]
+			]
+		]
+	}
+};