microsoft/typespec
Publicmirrored from https://github.com/microsoft/typespecAvailable
packages/compiler/server/tmlanguage.ts
751lines · modecode
| 1 | // TextMate-based syntax highlighting is implemented in this file. |
| 2 | // cadl.tmLanguage is generated by running this script. |
| 3 | |
| 4 | import { writeFile } from "fs/promises"; |
| 5 | import mkdirp from "mkdirp"; |
| 6 | import { resolve } from "path"; |
| 7 | import * as tm from "tmlanguage-generator"; |
| 8 | |
| 9 | type IncludeRule = tm.IncludeRule<CadlScope>; |
| 10 | type BeginEndRule = tm.BeginEndRule<CadlScope>; |
| 11 | type MatchRule = tm.MatchRule<CadlScope>; |
| 12 | type Grammar = tm.Grammar<CadlScope>; |
| 13 | |
| 14 | export type CadlScope = |
| 15 | | "comment.block.cadl" |
| 16 | | "comment.line.double-slash.cadl" |
| 17 | | "constant.character.escape.cadl" |
| 18 | | "constant.numeric.cadl" |
| 19 | | "constant.language.cadl" |
| 20 | | "keyword.directive.name.cadl" |
| 21 | | "entity.name.type.cadl" |
| 22 | | "entity.name.function.cadl" |
| 23 | | "entity.name.tag.cadl" |
| 24 | | "keyword.other.cadl" |
| 25 | | "string.quoted.double.cadl" |
| 26 | | "string.quoted.triple.cadl" |
| 27 | | "variable.name.cadl" |
| 28 | // Operators |
| 29 | | "keyword.operator.type.annotation.cadl" |
| 30 | | "keyword.operator.assignment.cadl" |
| 31 | | "keyword.operator.optional.cadl" |
| 32 | | "keyword.operator.selector.cadl" |
| 33 | | "keyword.operator.spread.cadl" |
| 34 | // Punctuation |
| 35 | | "punctuation.comma.cadl" |
| 36 | | "punctuation.accessor.cadl" |
| 37 | | "punctuation.terminator.statement.cadl" |
| 38 | | "punctuation.definition.typeparameters.begin.cadl" |
| 39 | | "punctuation.definition.typeparameters.end.cadl" |
| 40 | | "punctuation.squarebracket.open.cadl" |
| 41 | | "punctuation.squarebracket.close.cadl" |
| 42 | | "punctuation.curlybrace.open.cadl" |
| 43 | | "punctuation.curlybrace.close.cadl" |
| 44 | | "punctuation.parenthesis.open.cadl" |
| 45 | | "punctuation.parenthesis.close.cadl"; |
| 46 | |
| 47 | const meta: typeof tm.meta = tm.meta; |
| 48 | const identifierStart = "[_$[:alpha:]]"; |
| 49 | const identifierContinue = "[_$[:alnum:]]"; |
| 50 | const beforeIdentifier = `(?=${identifierStart})`; |
| 51 | const identifier = `\\b${identifierStart}${identifierContinue}*\\b`; |
| 52 | const qualifiedIdentifier = `\\b${identifierStart}(${identifierContinue}|\\.${identifierStart})*\\b`; |
| 53 | const stringPattern = '\\"(?:[^\\"\\\\]|\\\\.)*\\"'; |
| 54 | const statementKeyword = `\\b(?:namespace|model|op|using|import|enum|alias|union|interface)\\b`; |
| 55 | const universalEnd = `(?=,|;|@|\\)|\\}|${statementKeyword})`; |
| 56 | const universalEndExceptComma = `(?=;|@|\\)|\\}|${statementKeyword})`; |
| 57 | |
| 58 | /** |
| 59 | * Universal end with extra end char: `=` |
| 60 | */ |
| 61 | const expressionEnd = `(?=,|;|@|\\)|\\}|=|${statementKeyword})`; |
| 62 | const hexNumber = "\\b(?<!\\$)0(?:x|X)[0-9a-fA-F][0-9a-fA-F_]*(n)?\\b(?!\\$)"; |
| 63 | const binaryNumber = "\\b(?<!\\$)0(?:b|B)[01][01_]*(n)?\\b(?!\\$)"; |
| 64 | const decimalNumber = |
| 65 | "(?<!\\$)(?:" + |
| 66 | "(?:\\b[0-9][0-9_]*(\\.)[0-9][0-9_]*[eE][+-]?[0-9][0-9_]*(n)?\\b)|" + // 1.1E+3 |
| 67 | "(?:\\b[0-9][0-9_]*(\\.)[eE][+-]?[0-9][0-9_]*(n)?\\b)|" + // 1.E+3 |
| 68 | "(?:\\B(\\.)[0-9][0-9_]*[eE][+-]?[0-9][0-9_]*(n)?\\b)|" + // .1E+3 |
| 69 | "(?:\\b[0-9][0-9_]*[eE][+-]?[0-9][0-9_]*(n)?\\b)|" + // 1E+3 |
| 70 | "(?:\\b[0-9][0-9_]*(\\.)[0-9][0-9_]*(n)?\\b)|" + // 1.1 |
| 71 | "(?:\\b[0-9][0-9_]*(\\.)(n)?\\B)|" + // 1. |
| 72 | "(?:\\B(\\.)[0-9][0-9_]*(n)?\\b)|" + // .1 |
| 73 | "(?:\\b[0-9][0-9_]*(n)?\\b(?!\\.))" + // 1 |
| 74 | ")(?!\\$)"; |
| 75 | const anyNumber = `(?:${hexNumber}|${binaryNumber}|${decimalNumber})`; |
| 76 | |
| 77 | const expression: IncludeRule = { |
| 78 | key: "expression", |
| 79 | patterns: [ |
| 80 | /* placeholder filled later due to cycle*/ |
| 81 | ], |
| 82 | }; |
| 83 | |
| 84 | const statement: IncludeRule = { |
| 85 | key: "statement", |
| 86 | patterns: [ |
| 87 | /*placeholder filled later due to cycle*/ |
| 88 | ], |
| 89 | }; |
| 90 | |
| 91 | const booleanLiteral: MatchRule = { |
| 92 | key: "boolean-literal", |
| 93 | scope: "constant.language.cadl", |
| 94 | match: `\\b(true|false)\\b`, |
| 95 | }; |
| 96 | |
| 97 | const escapeChar: MatchRule = { |
| 98 | key: "escape-character", |
| 99 | scope: "constant.character.escape.cadl", |
| 100 | match: "\\\\.", |
| 101 | }; |
| 102 | |
| 103 | const stringLiteral: BeginEndRule = { |
| 104 | key: "string-literal", |
| 105 | scope: "string.quoted.double.cadl", |
| 106 | begin: '"', |
| 107 | end: '"|$', |
| 108 | patterns: [escapeChar], |
| 109 | }; |
| 110 | |
| 111 | const tripleQuotedStringLiteral: BeginEndRule = { |
| 112 | key: "triple-quoted-string-literal", |
| 113 | scope: "string.quoted.triple.cadl", |
| 114 | begin: '"""', |
| 115 | end: '"""', |
| 116 | patterns: [escapeChar], |
| 117 | }; |
| 118 | |
| 119 | const punctuationComma: MatchRule = { |
| 120 | key: "punctuation-comma", |
| 121 | scope: "punctuation.comma.cadl", |
| 122 | match: ",", |
| 123 | }; |
| 124 | |
| 125 | const punctuationAccessor: MatchRule = { |
| 126 | key: "punctuation-accessor", |
| 127 | scope: "punctuation.accessor.cadl", |
| 128 | match: "\\.", |
| 129 | }; |
| 130 | |
| 131 | const punctuationSemicolon: MatchRule = { |
| 132 | key: "punctuation-semicolon", |
| 133 | scope: "punctuation.terminator.statement.cadl", |
| 134 | match: ";", |
| 135 | }; |
| 136 | |
| 137 | const operatorAssignment: MatchRule = { |
| 138 | key: "operator-assignment", |
| 139 | scope: "keyword.operator.assignment.cadl", |
| 140 | match: "=", |
| 141 | }; |
| 142 | |
| 143 | const numericLiteral: MatchRule = { |
| 144 | key: "numeric-literal", |
| 145 | scope: "constant.numeric.cadl", |
| 146 | match: anyNumber, |
| 147 | }; |
| 148 | |
| 149 | const lineComment: MatchRule = { |
| 150 | key: "line-comment", |
| 151 | scope: "comment.line.double-slash.cadl", |
| 152 | match: "//.*$", |
| 153 | }; |
| 154 | |
| 155 | const blockComment: BeginEndRule = { |
| 156 | key: "block-comment", |
| 157 | scope: "comment.block.cadl", |
| 158 | begin: "/\\*", |
| 159 | end: "\\*/", |
| 160 | }; |
| 161 | |
| 162 | // Tokens that match standing alone in any context: literals and comments |
| 163 | const token: IncludeRule = { |
| 164 | key: "token", |
| 165 | patterns: [ |
| 166 | lineComment, |
| 167 | blockComment, |
| 168 | // `"""` must come before `"` or first two quotes of `"""` will match as |
| 169 | // empty string |
| 170 | tripleQuotedStringLiteral, |
| 171 | stringLiteral, |
| 172 | booleanLiteral, |
| 173 | numericLiteral, |
| 174 | ], |
| 175 | }; |
| 176 | |
| 177 | const parenthesizedExpression: BeginEndRule = { |
| 178 | key: "parenthesized-expression", |
| 179 | scope: meta, |
| 180 | begin: "\\(", |
| 181 | beginCaptures: { |
| 182 | "0": { scope: "punctuation.parenthesis.open.cadl" }, |
| 183 | }, |
| 184 | end: "\\)", |
| 185 | endCaptures: { |
| 186 | "0": { scope: "punctuation.parenthesis.close.cadl" }, |
| 187 | }, |
| 188 | patterns: [expression, punctuationComma], |
| 189 | }; |
| 190 | |
| 191 | const decorator: BeginEndRule = { |
| 192 | key: "decorator", |
| 193 | scope: meta, |
| 194 | begin: `(@${qualifiedIdentifier})`, |
| 195 | beginCaptures: { |
| 196 | "1": { scope: "entity.name.tag.cadl" }, |
| 197 | }, |
| 198 | end: `${beforeIdentifier}|${universalEnd}`, |
| 199 | patterns: [token, parenthesizedExpression], |
| 200 | }; |
| 201 | |
| 202 | const identifierExpression: MatchRule = { |
| 203 | key: "identifier-expression", |
| 204 | scope: "entity.name.type.cadl", |
| 205 | match: identifier, |
| 206 | }; |
| 207 | |
| 208 | const typeArguments: BeginEndRule = { |
| 209 | key: "type-arguments", |
| 210 | scope: meta, |
| 211 | begin: "<", |
| 212 | beginCaptures: { |
| 213 | "0": { scope: "punctuation.definition.typeparameters.begin.cadl" }, |
| 214 | }, |
| 215 | end: ">", |
| 216 | endCaptures: { |
| 217 | "0": { scope: "punctuation.definition.typeparameters.end.cadl" }, |
| 218 | }, |
| 219 | patterns: [expression, punctuationComma], |
| 220 | }; |
| 221 | |
| 222 | const typeParameterConstraint: BeginEndRule = { |
| 223 | key: "type-parameter-constraint", |
| 224 | scope: meta, |
| 225 | begin: `extends`, |
| 226 | beginCaptures: { |
| 227 | "0": { scope: "keyword.other.cadl" }, |
| 228 | }, |
| 229 | end: `(?=>)|${universalEnd}`, |
| 230 | patterns: [expression], |
| 231 | }; |
| 232 | |
| 233 | const typeParameterDefault: BeginEndRule = { |
| 234 | key: "type-parameter-default", |
| 235 | scope: meta, |
| 236 | begin: `=`, |
| 237 | beginCaptures: { |
| 238 | "0": { scope: "keyword.operator.assignment.cadl" }, |
| 239 | }, |
| 240 | end: `(?=>)|${universalEnd}`, |
| 241 | patterns: [expression], |
| 242 | }; |
| 243 | |
| 244 | const typeParameter: BeginEndRule = { |
| 245 | key: "type-parameter", |
| 246 | scope: meta, |
| 247 | begin: `(${identifier})`, |
| 248 | beginCaptures: { |
| 249 | "1": { scope: "entity.name.type.cadl" }, |
| 250 | }, |
| 251 | end: `(?=>)|${universalEnd}`, |
| 252 | patterns: [typeParameterConstraint, typeParameterDefault], |
| 253 | }; |
| 254 | |
| 255 | const typeParameters: BeginEndRule = { |
| 256 | key: "type-parameters", |
| 257 | scope: meta, |
| 258 | begin: "<", |
| 259 | beginCaptures: { |
| 260 | "0": { scope: "punctuation.definition.typeparameters.begin.cadl" }, |
| 261 | }, |
| 262 | end: ">", |
| 263 | endCaptures: { |
| 264 | "0": { scope: "punctuation.definition.typeparameters.end.cadl" }, |
| 265 | }, |
| 266 | patterns: [typeParameter, punctuationComma], |
| 267 | }; |
| 268 | |
| 269 | const tupleExpression: BeginEndRule = { |
| 270 | key: "tuple-expression", |
| 271 | scope: meta, |
| 272 | begin: "\\[", |
| 273 | beginCaptures: { |
| 274 | "0": { scope: "punctuation.squarebracket.open.cadl" }, |
| 275 | }, |
| 276 | end: "\\]", |
| 277 | endCaptures: { |
| 278 | "0": { scope: "punctuation.squarebracket.close.cadl" }, |
| 279 | }, |
| 280 | patterns: [expression], |
| 281 | }; |
| 282 | |
| 283 | const typeAnnotation: BeginEndRule = { |
| 284 | key: "type-annotation", |
| 285 | scope: meta, |
| 286 | begin: "\\s*(\\??)\\s*(:)", |
| 287 | beginCaptures: { |
| 288 | "1": { scope: "keyword.operator.optional.cadl" }, |
| 289 | "2": { scope: "keyword.operator.type.annotation.cadl" }, |
| 290 | }, |
| 291 | end: expressionEnd, |
| 292 | patterns: [expression], |
| 293 | }; |
| 294 | |
| 295 | const modelProperty: BeginEndRule = { |
| 296 | key: "model-property", |
| 297 | scope: meta, |
| 298 | begin: `(?:(${identifier})|(${stringPattern}))`, |
| 299 | beginCaptures: { |
| 300 | "1": { scope: "variable.name.cadl" }, |
| 301 | "2": { scope: "string.quoted.double.cadl" }, |
| 302 | }, |
| 303 | end: universalEnd, |
| 304 | patterns: [token, typeAnnotation, operatorAssignment, expression], |
| 305 | }; |
| 306 | |
| 307 | const modelSpreadProperty: BeginEndRule = { |
| 308 | key: "model-spread-property", |
| 309 | scope: meta, |
| 310 | begin: "\\.\\.\\.", |
| 311 | beginCaptures: { |
| 312 | "0": { scope: "keyword.operator.spread.cadl" }, |
| 313 | }, |
| 314 | end: universalEnd, |
| 315 | patterns: [expression], |
| 316 | }; |
| 317 | |
| 318 | const directive: BeginEndRule = { |
| 319 | key: "directive", |
| 320 | scope: meta, |
| 321 | begin: `\\s*(#${identifier})`, |
| 322 | beginCaptures: { |
| 323 | "1": { scope: "keyword.directive.name.cadl" }, |
| 324 | }, |
| 325 | end: `$|${universalEnd}`, |
| 326 | patterns: [stringLiteral, identifierExpression], |
| 327 | }; |
| 328 | |
| 329 | const modelExpression: BeginEndRule = { |
| 330 | key: "model-expression", |
| 331 | scope: meta, |
| 332 | begin: "\\{", |
| 333 | beginCaptures: { |
| 334 | "0": { scope: "punctuation.curlybrace.open.cadl" }, |
| 335 | }, |
| 336 | end: "\\}", |
| 337 | endCaptures: { |
| 338 | "0": { scope: "punctuation.curlybrace.close.cadl" }, |
| 339 | }, |
| 340 | patterns: [ |
| 341 | // modelProperty must come before token or quoted property name will be |
| 342 | // considered an arbitrarily positioned string literal and not match as part |
| 343 | // of modelProperty begin. |
| 344 | modelProperty, |
| 345 | token, |
| 346 | directive, |
| 347 | decorator, |
| 348 | modelSpreadProperty, |
| 349 | punctuationSemicolon, |
| 350 | ], |
| 351 | }; |
| 352 | |
| 353 | const modelHeritage: BeginEndRule = { |
| 354 | key: "model-heritage", |
| 355 | scope: meta, |
| 356 | begin: "\\b(extends|is)\\b", |
| 357 | beginCaptures: { |
| 358 | "1": { scope: "keyword.other.cadl" }, |
| 359 | }, |
| 360 | end: `((?=\\{)|${universalEndExceptComma})`, |
| 361 | patterns: [expression, punctuationComma], |
| 362 | }; |
| 363 | |
| 364 | const modelStatement: BeginEndRule = { |
| 365 | key: "model-statement", |
| 366 | scope: meta, |
| 367 | begin: "\\b(model)\\b", |
| 368 | beginCaptures: { |
| 369 | "1": { scope: "keyword.other.cadl" }, |
| 370 | }, |
| 371 | end: `(?<=\\})|${universalEnd}`, |
| 372 | patterns: [ |
| 373 | token, |
| 374 | typeParameters, |
| 375 | modelHeritage, // before expression or `extends` or `is` will look like type name |
| 376 | expression, // enough to match name, type parameters, and body. |
| 377 | ], |
| 378 | }; |
| 379 | |
| 380 | const enumStatement: BeginEndRule = { |
| 381 | key: "enum-statement", |
| 382 | scope: meta, |
| 383 | begin: "\\b(enum)\\b", |
| 384 | beginCaptures: { |
| 385 | "1": { scope: "keyword.other.cadl" }, |
| 386 | }, |
| 387 | end: `(?<=\\})|${universalEnd}`, |
| 388 | patterns: [token, expression], |
| 389 | }; |
| 390 | |
| 391 | const unionStatement: BeginEndRule = { |
| 392 | key: "union-statement", |
| 393 | scope: meta, |
| 394 | begin: "\\b(union)\\b", |
| 395 | beginCaptures: { |
| 396 | "1": { scope: "keyword.other.cadl" }, |
| 397 | }, |
| 398 | end: `(?<=\\})|${universalEnd}`, |
| 399 | patterns: [token, expression], |
| 400 | }; |
| 401 | |
| 402 | const aliasStatement: BeginEndRule = { |
| 403 | key: "alias-statement", |
| 404 | scope: meta, |
| 405 | begin: "\\b(alias)\\b", |
| 406 | beginCaptures: { |
| 407 | "1": { scope: "keyword.other.cadl" }, |
| 408 | }, |
| 409 | end: universalEnd, |
| 410 | patterns: [typeParameters, operatorAssignment, expression], |
| 411 | }; |
| 412 | |
| 413 | const namespaceName: BeginEndRule = { |
| 414 | key: "namespace-name", |
| 415 | scope: meta, |
| 416 | begin: beforeIdentifier, |
| 417 | end: `((?=\\{)|${universalEnd})`, |
| 418 | patterns: [identifierExpression, punctuationAccessor], |
| 419 | }; |
| 420 | |
| 421 | const namespaceBody: BeginEndRule = { |
| 422 | key: "namespace-body", |
| 423 | scope: meta, |
| 424 | begin: "\\{", |
| 425 | beginCaptures: { |
| 426 | "0": { scope: "punctuation.curlybrace.open.cadl" }, |
| 427 | }, |
| 428 | end: "\\}", |
| 429 | endCaptures: { |
| 430 | "0": { scope: "punctuation.curlybrace.close.cadl" }, |
| 431 | }, |
| 432 | patterns: [statement], |
| 433 | }; |
| 434 | |
| 435 | const namespaceStatement: BeginEndRule = { |
| 436 | key: "namespace-statement", |
| 437 | scope: meta, |
| 438 | begin: "\\b(namespace)\\b", |
| 439 | beginCaptures: { |
| 440 | "1": { scope: "keyword.other.cadl" }, |
| 441 | }, |
| 442 | end: `((?<=\\})|${universalEnd})`, |
| 443 | patterns: [token, namespaceName, namespaceBody], |
| 444 | }; |
| 445 | |
| 446 | const operationParameters: BeginEndRule = { |
| 447 | key: "operation-parameters", |
| 448 | scope: meta, |
| 449 | begin: "\\(", |
| 450 | beginCaptures: { |
| 451 | "0": { scope: "punctuation.parenthesis.open.cadl" }, |
| 452 | }, |
| 453 | end: "\\)", |
| 454 | endCaptures: { |
| 455 | "0": { scope: "punctuation.parenthesis.close.cadl" }, |
| 456 | }, |
| 457 | patterns: [token, decorator, modelProperty, modelSpreadProperty, punctuationComma], |
| 458 | }; |
| 459 | |
| 460 | const operationHeritage: BeginEndRule = { |
| 461 | key: "operation-heritage", |
| 462 | scope: meta, |
| 463 | begin: "\\b(is)\\b", |
| 464 | beginCaptures: { |
| 465 | "1": { scope: "keyword.other.cadl" }, |
| 466 | }, |
| 467 | end: universalEnd, |
| 468 | patterns: [expression], |
| 469 | }; |
| 470 | |
| 471 | const operationSignature: IncludeRule = { |
| 472 | key: "operation-signature", |
| 473 | patterns: [ |
| 474 | typeParameters, |
| 475 | operationHeritage, |
| 476 | operationParameters, |
| 477 | typeAnnotation, // return type |
| 478 | ], |
| 479 | }; |
| 480 | |
| 481 | const operationStatement: BeginEndRule = { |
| 482 | key: "operation-statement", |
| 483 | scope: meta, |
| 484 | begin: `\\b(op)\\b\\s+(${identifier})`, |
| 485 | beginCaptures: { |
| 486 | "1": { scope: "keyword.other.cadl" }, |
| 487 | "2": { scope: "entity.name.function.cadl" }, |
| 488 | }, |
| 489 | end: universalEnd, |
| 490 | patterns: [token, operationSignature], |
| 491 | }; |
| 492 | |
| 493 | const interfaceMember: BeginEndRule = { |
| 494 | key: "interface-member", |
| 495 | scope: meta, |
| 496 | begin: `(?:\\b(op)\\b\\s+)?(${identifier})`, |
| 497 | beginCaptures: { |
| 498 | "1": { scope: "keyword.other.cadl" }, |
| 499 | "2": { scope: "entity.name.function.cadl" }, |
| 500 | }, |
| 501 | end: universalEnd, |
| 502 | patterns: [token, operationSignature], |
| 503 | }; |
| 504 | |
| 505 | const interfaceHeritage: BeginEndRule = { |
| 506 | key: "interface-heritage", |
| 507 | scope: meta, |
| 508 | begin: "\\b(extends)\\b", |
| 509 | beginCaptures: { |
| 510 | "1": { scope: "keyword.other.cadl" }, |
| 511 | }, |
| 512 | end: `((?=\\{)|${universalEndExceptComma})`, |
| 513 | patterns: [expression, punctuationComma], |
| 514 | }; |
| 515 | |
| 516 | const interfaceBody: BeginEndRule = { |
| 517 | key: "interface-body", |
| 518 | scope: meta, |
| 519 | begin: "\\{", |
| 520 | beginCaptures: { |
| 521 | "0": { scope: "punctuation.curlybrace.open.cadl" }, |
| 522 | }, |
| 523 | end: "\\}", |
| 524 | endCaptures: { |
| 525 | "0": { scope: "punctuation.curlybrace.close.cadl" }, |
| 526 | }, |
| 527 | patterns: [token, directive, decorator, interfaceMember, punctuationSemicolon], |
| 528 | }; |
| 529 | |
| 530 | const interfaceStatement: BeginEndRule = { |
| 531 | key: "interface-statement", |
| 532 | scope: meta, |
| 533 | begin: "\\b(interface)\\b", |
| 534 | beginCaptures: { |
| 535 | "1": { scope: "keyword.other.cadl" }, |
| 536 | }, |
| 537 | end: `(?<=\\})|${universalEnd}`, |
| 538 | patterns: [ |
| 539 | token, |
| 540 | interfaceHeritage, // before expression or extends will look like type name |
| 541 | interfaceBody, // before expression or { will match model expression |
| 542 | expression, // enough to match name and type parameters |
| 543 | ], |
| 544 | }; |
| 545 | |
| 546 | const importStatement: BeginEndRule = { |
| 547 | key: "import-statement", |
| 548 | scope: meta, |
| 549 | begin: "\\b(import)\\b", |
| 550 | beginCaptures: { |
| 551 | "1": { scope: "keyword.other.cadl" }, |
| 552 | }, |
| 553 | end: universalEnd, |
| 554 | patterns: [token], |
| 555 | }; |
| 556 | |
| 557 | const usingStatement: BeginEndRule = { |
| 558 | key: "using-statement", |
| 559 | scope: meta, |
| 560 | begin: "\\b(using)\\b", |
| 561 | beginCaptures: { |
| 562 | "1": { scope: "keyword.other.cadl" }, |
| 563 | }, |
| 564 | end: universalEnd, |
| 565 | patterns: [token, identifierExpression], |
| 566 | }; |
| 567 | |
| 568 | const projectionParameter: BeginEndRule = { |
| 569 | key: "projection-parameter", |
| 570 | scope: meta, |
| 571 | begin: `(${identifier})`, |
| 572 | beginCaptures: { |
| 573 | "1": { scope: "variable.name.cadl" }, |
| 574 | }, |
| 575 | end: `(?=\\))|${universalEnd}`, |
| 576 | patterns: [], |
| 577 | }; |
| 578 | |
| 579 | const projectionParameters: BeginEndRule = { |
| 580 | key: "projection-parameters", |
| 581 | scope: meta, |
| 582 | begin: "\\(", |
| 583 | beginCaptures: { |
| 584 | "0": { scope: "punctuation.parenthesis.open.cadl" }, |
| 585 | }, |
| 586 | end: "\\)", |
| 587 | endCaptures: { |
| 588 | "0": { scope: "punctuation.parenthesis.close.cadl" }, |
| 589 | }, |
| 590 | patterns: [token, projectionParameter], |
| 591 | }; |
| 592 | |
| 593 | const projectionExpression: IncludeRule = { |
| 594 | key: "projection-expression", |
| 595 | patterns: [ |
| 596 | /* placeholder filled later due to cycle*/ |
| 597 | ], |
| 598 | }; |
| 599 | |
| 600 | const projectionBody: BeginEndRule = { |
| 601 | key: "projection-body", |
| 602 | scope: meta, |
| 603 | begin: "\\{", |
| 604 | beginCaptures: { |
| 605 | "0": { scope: "punctuation.curlybrace.open.cadl" }, |
| 606 | }, |
| 607 | end: "\\}", |
| 608 | endCaptures: { |
| 609 | "0": { scope: "punctuation.curlybrace.close.cadl" }, |
| 610 | }, |
| 611 | patterns: [projectionExpression, punctuationSemicolon], |
| 612 | }; |
| 613 | |
| 614 | const ifExpression: BeginEndRule = { |
| 615 | key: "if-expression", |
| 616 | scope: meta, |
| 617 | begin: `\\b(if)\\b`, |
| 618 | beginCaptures: { |
| 619 | "1": { scope: "keyword.other.cadl" }, |
| 620 | }, |
| 621 | end: `((?<=\\})|${universalEnd})`, |
| 622 | patterns: [projectionExpression, projectionBody], |
| 623 | }; |
| 624 | |
| 625 | const elseIfExpression: BeginEndRule = { |
| 626 | key: "else-if-expression", |
| 627 | scope: meta, |
| 628 | begin: `\\b(else)\\s+(if)\\b`, |
| 629 | beginCaptures: { |
| 630 | "1": { scope: "keyword.other.cadl" }, |
| 631 | "2": { scope: "keyword.other.cadl" }, |
| 632 | }, |
| 633 | end: `((?<=\\})|${universalEnd})`, |
| 634 | patterns: [projectionExpression, projectionBody], |
| 635 | }; |
| 636 | |
| 637 | const elseExpression: BeginEndRule = { |
| 638 | key: "else-expression", |
| 639 | scope: meta, |
| 640 | begin: `\\b(else)\\b`, |
| 641 | beginCaptures: { |
| 642 | "1": { scope: "keyword.other.cadl" }, |
| 643 | }, |
| 644 | end: `((?<=\\})|${universalEnd})`, |
| 645 | patterns: [projectionExpression, projectionBody], |
| 646 | }; |
| 647 | |
| 648 | const functionCall: BeginEndRule = { |
| 649 | key: "function-call", |
| 650 | scope: meta, |
| 651 | begin: `(${identifier})\\s*(\\()`, |
| 652 | beginCaptures: { |
| 653 | "1": { scope: "entity.name.function.cadl" }, |
| 654 | "2": { scope: "punctuation.parenthesis.open.cadl" }, |
| 655 | }, |
| 656 | end: `\\)`, |
| 657 | endCaptures: { |
| 658 | "0": { scope: "punctuation.parenthesis.close.cadl" }, |
| 659 | }, |
| 660 | patterns: [expression], |
| 661 | }; |
| 662 | |
| 663 | projectionExpression.patterns = [elseIfExpression, ifExpression, elseExpression, functionCall]; |
| 664 | |
| 665 | const projection: BeginEndRule = { |
| 666 | key: "projection", |
| 667 | scope: meta, |
| 668 | begin: "(from|to)", |
| 669 | beginCaptures: { |
| 670 | "1": { scope: "keyword.other.cadl" }, |
| 671 | }, |
| 672 | end: `((?<=\\})|${universalEnd})`, |
| 673 | patterns: [projectionParameters, projectionBody], |
| 674 | }; |
| 675 | |
| 676 | const projectionStatementBody: BeginEndRule = { |
| 677 | key: "projection-statement-body", |
| 678 | scope: meta, |
| 679 | begin: "\\{", |
| 680 | beginCaptures: { |
| 681 | "0": { scope: "punctuation.curlybrace.open.cadl" }, |
| 682 | }, |
| 683 | end: "\\}", |
| 684 | endCaptures: { |
| 685 | "0": { scope: "punctuation.curlybrace.close.cadl" }, |
| 686 | }, |
| 687 | patterns: [projection], |
| 688 | }; |
| 689 | |
| 690 | const projectionStatement: BeginEndRule = { |
| 691 | key: "projection-statement", |
| 692 | scope: meta, |
| 693 | begin: `\\b(projection)\\b\\s+(${identifier})(#)(${identifier})`, |
| 694 | beginCaptures: { |
| 695 | "1": { scope: "keyword.other.cadl" }, |
| 696 | "2": { scope: "keyword.other.cadl" }, |
| 697 | "3": { scope: "keyword.operator.selector.cadl" }, |
| 698 | "4": { scope: "variable.name.cadl" }, |
| 699 | }, |
| 700 | end: `((?<=\\})|${universalEnd})`, |
| 701 | patterns: [projectionStatementBody], |
| 702 | }; |
| 703 | |
| 704 | // NOTE: We don't actually classify all the different expression types and their |
| 705 | // punctuation yet. For now, at least, we only deal with the ones that would |
| 706 | // break coloring due to breaking out of context inappropriately with parens/ |
| 707 | // braces/brackets that weren't handled with appropriate precedence. The other |
| 708 | // expressions color acceptably as unclassified punctuation around those we do |
| 709 | // handle here. |
| 710 | expression.patterns = [ |
| 711 | token, |
| 712 | directive, |
| 713 | parenthesizedExpression, |
| 714 | typeArguments, |
| 715 | tupleExpression, |
| 716 | modelExpression, |
| 717 | identifierExpression, |
| 718 | ]; |
| 719 | |
| 720 | statement.patterns = [ |
| 721 | token, |
| 722 | directive, |
| 723 | decorator, |
| 724 | modelStatement, |
| 725 | unionStatement, |
| 726 | interfaceStatement, |
| 727 | enumStatement, |
| 728 | aliasStatement, |
| 729 | namespaceStatement, |
| 730 | operationStatement, |
| 731 | importStatement, |
| 732 | usingStatement, |
| 733 | projectionStatement, |
| 734 | punctuationSemicolon, |
| 735 | ]; |
| 736 | |
| 737 | const grammar: Grammar = { |
| 738 | $schema: tm.schema, |
| 739 | name: "Cadl", |
| 740 | scopeName: "source.cadl", |
| 741 | fileTypes: [".cadl"], |
| 742 | patterns: [statement], |
| 743 | }; |
| 744 | |
| 745 | export async function main() { |
| 746 | const plist = await tm.emitPList(grammar, { |
| 747 | errorSourceFilePath: resolve("./src/tmlanguage.ts"), |
| 748 | }); |
| 749 | await mkdirp("./dist"); |
| 750 | await writeFile("./dist/cadl.tmLanguage", plist); |
| 751 | } |
| 752 | |