source: node_modules/highlight.js/lib/languages/csharp.js@ 65b6638

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Last change on this file since 65b6638 was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago

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[d24f17c]1/*
2Language: C#
3Author: Jason Diamond <jason@diamond.name>
4Contributor: Nicolas LLOBERA <nllobera@gmail.com>, Pieter Vantorre <pietervantorre@gmail.com>, David Pine <david.pine@microsoft.com>
5Website: https://docs.microsoft.com/en-us/dotnet/csharp/
6Category: common
7*/
8
9/** @type LanguageFn */
10function csharp(hljs) {
11 const BUILT_IN_KEYWORDS = [
12 'bool',
13 'byte',
14 'char',
15 'decimal',
16 'delegate',
17 'double',
18 'dynamic',
19 'enum',
20 'float',
21 'int',
22 'long',
23 'nint',
24 'nuint',
25 'object',
26 'sbyte',
27 'short',
28 'string',
29 'ulong',
30 'uint',
31 'ushort'
32 ];
33 const FUNCTION_MODIFIERS = [
34 'public',
35 'private',
36 'protected',
37 'static',
38 'internal',
39 'protected',
40 'abstract',
41 'async',
42 'extern',
43 'override',
44 'unsafe',
45 'virtual',
46 'new',
47 'sealed',
48 'partial'
49 ];
50 const LITERAL_KEYWORDS = [
51 'default',
52 'false',
53 'null',
54 'true'
55 ];
56 const NORMAL_KEYWORDS = [
57 'abstract',
58 'as',
59 'base',
60 'break',
61 'case',
62 'class',
63 'const',
64 'continue',
65 'do',
66 'else',
67 'event',
68 'explicit',
69 'extern',
70 'finally',
71 'fixed',
72 'for',
73 'foreach',
74 'goto',
75 'if',
76 'implicit',
77 'in',
78 'interface',
79 'internal',
80 'is',
81 'lock',
82 'namespace',
83 'new',
84 'operator',
85 'out',
86 'override',
87 'params',
88 'private',
89 'protected',
90 'public',
91 'readonly',
92 'record',
93 'ref',
94 'return',
95 'sealed',
96 'sizeof',
97 'stackalloc',
98 'static',
99 'struct',
100 'switch',
101 'this',
102 'throw',
103 'try',
104 'typeof',
105 'unchecked',
106 'unsafe',
107 'using',
108 'virtual',
109 'void',
110 'volatile',
111 'while'
112 ];
113 const CONTEXTUAL_KEYWORDS = [
114 'add',
115 'alias',
116 'and',
117 'ascending',
118 'async',
119 'await',
120 'by',
121 'descending',
122 'equals',
123 'from',
124 'get',
125 'global',
126 'group',
127 'init',
128 'into',
129 'join',
130 'let',
131 'nameof',
132 'not',
133 'notnull',
134 'on',
135 'or',
136 'orderby',
137 'partial',
138 'remove',
139 'select',
140 'set',
141 'unmanaged',
142 'value|0',
143 'var',
144 'when',
145 'where',
146 'with',
147 'yield'
148 ];
149
150 const KEYWORDS = {
151 keyword: NORMAL_KEYWORDS.concat(CONTEXTUAL_KEYWORDS),
152 built_in: BUILT_IN_KEYWORDS,
153 literal: LITERAL_KEYWORDS
154 };
155 const TITLE_MODE = hljs.inherit(hljs.TITLE_MODE, {
156 begin: '[a-zA-Z](\\.?\\w)*'
157 });
158 const NUMBERS = {
159 className: 'number',
160 variants: [
161 {
162 begin: '\\b(0b[01\']+)'
163 },
164 {
165 begin: '(-?)\\b([\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)(u|U|l|L|ul|UL|f|F|b|B)'
166 },
167 {
168 begin: '(-?)(\\b0[xX][a-fA-F0-9\']+|(\\b[\\d\']+(\\.[\\d\']*)?|\\.[\\d\']+)([eE][-+]?[\\d\']+)?)'
169 }
170 ],
171 relevance: 0
172 };
173 const VERBATIM_STRING = {
174 className: 'string',
175 begin: '@"',
176 end: '"',
177 contains: [
178 {
179 begin: '""'
180 }
181 ]
182 };
183 const VERBATIM_STRING_NO_LF = hljs.inherit(VERBATIM_STRING, {
184 illegal: /\n/
185 });
186 const SUBST = {
187 className: 'subst',
188 begin: /\{/,
189 end: /\}/,
190 keywords: KEYWORDS
191 };
192 const SUBST_NO_LF = hljs.inherit(SUBST, {
193 illegal: /\n/
194 });
195 const INTERPOLATED_STRING = {
196 className: 'string',
197 begin: /\$"/,
198 end: '"',
199 illegal: /\n/,
200 contains: [
201 {
202 begin: /\{\{/
203 },
204 {
205 begin: /\}\}/
206 },
207 hljs.BACKSLASH_ESCAPE,
208 SUBST_NO_LF
209 ]
210 };
211 const INTERPOLATED_VERBATIM_STRING = {
212 className: 'string',
213 begin: /\$@"/,
214 end: '"',
215 contains: [
216 {
217 begin: /\{\{/
218 },
219 {
220 begin: /\}\}/
221 },
222 {
223 begin: '""'
224 },
225 SUBST
226 ]
227 };
228 const INTERPOLATED_VERBATIM_STRING_NO_LF = hljs.inherit(INTERPOLATED_VERBATIM_STRING, {
229 illegal: /\n/,
230 contains: [
231 {
232 begin: /\{\{/
233 },
234 {
235 begin: /\}\}/
236 },
237 {
238 begin: '""'
239 },
240 SUBST_NO_LF
241 ]
242 });
243 SUBST.contains = [
244 INTERPOLATED_VERBATIM_STRING,
245 INTERPOLATED_STRING,
246 VERBATIM_STRING,
247 hljs.APOS_STRING_MODE,
248 hljs.QUOTE_STRING_MODE,
249 NUMBERS,
250 hljs.C_BLOCK_COMMENT_MODE
251 ];
252 SUBST_NO_LF.contains = [
253 INTERPOLATED_VERBATIM_STRING_NO_LF,
254 INTERPOLATED_STRING,
255 VERBATIM_STRING_NO_LF,
256 hljs.APOS_STRING_MODE,
257 hljs.QUOTE_STRING_MODE,
258 NUMBERS,
259 hljs.inherit(hljs.C_BLOCK_COMMENT_MODE, {
260 illegal: /\n/
261 })
262 ];
263 const STRING = {
264 variants: [
265 INTERPOLATED_VERBATIM_STRING,
266 INTERPOLATED_STRING,
267 VERBATIM_STRING,
268 hljs.APOS_STRING_MODE,
269 hljs.QUOTE_STRING_MODE
270 ]
271 };
272
273 const GENERIC_MODIFIER = {
274 begin: "<",
275 end: ">",
276 contains: [
277 {
278 beginKeywords: "in out"
279 },
280 TITLE_MODE
281 ]
282 };
283 const TYPE_IDENT_RE = hljs.IDENT_RE + '(<' + hljs.IDENT_RE + '(\\s*,\\s*' + hljs.IDENT_RE + ')*>)?(\\[\\])?';
284 const AT_IDENTIFIER = {
285 // prevents expressions like `@class` from incorrect flagging
286 // `class` as a keyword
287 begin: "@" + hljs.IDENT_RE,
288 relevance: 0
289 };
290
291 return {
292 name: 'C#',
293 aliases: [
294 'cs',
295 'c#'
296 ],
297 keywords: KEYWORDS,
298 illegal: /::/,
299 contains: [
300 hljs.COMMENT(
301 '///',
302 '$',
303 {
304 returnBegin: true,
305 contains: [
306 {
307 className: 'doctag',
308 variants: [
309 {
310 begin: '///',
311 relevance: 0
312 },
313 {
314 begin: '<!--|-->'
315 },
316 {
317 begin: '</?',
318 end: '>'
319 }
320 ]
321 }
322 ]
323 }
324 ),
325 hljs.C_LINE_COMMENT_MODE,
326 hljs.C_BLOCK_COMMENT_MODE,
327 {
328 className: 'meta',
329 begin: '#',
330 end: '$',
331 keywords: {
332 'meta-keyword': 'if else elif endif define undef warning error line region endregion pragma checksum'
333 }
334 },
335 STRING,
336 NUMBERS,
337 {
338 beginKeywords: 'class interface',
339 relevance: 0,
340 end: /[{;=]/,
341 illegal: /[^\s:,]/,
342 contains: [
343 {
344 beginKeywords: "where class"
345 },
346 TITLE_MODE,
347 GENERIC_MODIFIER,
348 hljs.C_LINE_COMMENT_MODE,
349 hljs.C_BLOCK_COMMENT_MODE
350 ]
351 },
352 {
353 beginKeywords: 'namespace',
354 relevance: 0,
355 end: /[{;=]/,
356 illegal: /[^\s:]/,
357 contains: [
358 TITLE_MODE,
359 hljs.C_LINE_COMMENT_MODE,
360 hljs.C_BLOCK_COMMENT_MODE
361 ]
362 },
363 {
364 beginKeywords: 'record',
365 relevance: 0,
366 end: /[{;=]/,
367 illegal: /[^\s:]/,
368 contains: [
369 TITLE_MODE,
370 GENERIC_MODIFIER,
371 hljs.C_LINE_COMMENT_MODE,
372 hljs.C_BLOCK_COMMENT_MODE
373 ]
374 },
375 {
376 // [Attributes("")]
377 className: 'meta',
378 begin: '^\\s*\\[',
379 excludeBegin: true,
380 end: '\\]',
381 excludeEnd: true,
382 contains: [
383 {
384 className: 'meta-string',
385 begin: /"/,
386 end: /"/
387 }
388 ]
389 },
390 {
391 // Expression keywords prevent 'keyword Name(...)' from being
392 // recognized as a function definition
393 beginKeywords: 'new return throw await else',
394 relevance: 0
395 },
396 {
397 className: 'function',
398 begin: '(' + TYPE_IDENT_RE + '\\s+)+' + hljs.IDENT_RE + '\\s*(<.+>\\s*)?\\(',
399 returnBegin: true,
400 end: /\s*[{;=]/,
401 excludeEnd: true,
402 keywords: KEYWORDS,
403 contains: [
404 // prevents these from being highlighted `title`
405 {
406 beginKeywords: FUNCTION_MODIFIERS.join(" "),
407 relevance: 0
408 },
409 {
410 begin: hljs.IDENT_RE + '\\s*(<.+>\\s*)?\\(',
411 returnBegin: true,
412 contains: [
413 hljs.TITLE_MODE,
414 GENERIC_MODIFIER
415 ],
416 relevance: 0
417 },
418 {
419 className: 'params',
420 begin: /\(/,
421 end: /\)/,
422 excludeBegin: true,
423 excludeEnd: true,
424 keywords: KEYWORDS,
425 relevance: 0,
426 contains: [
427 STRING,
428 NUMBERS,
429 hljs.C_BLOCK_COMMENT_MODE
430 ]
431 },
432 hljs.C_LINE_COMMENT_MODE,
433 hljs.C_BLOCK_COMMENT_MODE
434 ]
435 },
436 AT_IDENTIFIER
437 ]
438 };
439}
440
441module.exports = csharp;
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