1 /** \file 2 * This OBJC source file was generated by $ANTLR version 3.4 3 * 4 * - From the grammar source file : /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g 5 * - On : 2012-02-16 18:10:11 6 * - for the lexer : PolyLexerLexer 7 * 8 * Editing it, at least manually, is not wise. 9 * 10 * ObjC language generator and runtime by Alan Condit, acondit|hereisanat|ipns|dotgoeshere|com. 11 * 12 * 13 */ 14 // $ANTLR 3.4 /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g 2012-02-16 18:10:11 15 16 17 /* ----------------------------------------- 18 * Include the ANTLR3 generated header file. 19 */ 20 #import "PolyLexer.h" 21 /* ----------------------------------------- */ 22 23 24 /* ============================================================================= */ 25 /* ============================================================================= 26 * Start of recognizer 27 */ 28 29 /** As per Terence: No returns for lexer rules! */ 30 @implementation PolyLexer // line 330 31 32 + (void) initialize 33 { 34 [BaseRecognizer setGrammarFileName:@"/Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g"]; 35 } 36 37 + (NSString *) tokenNameForType:(NSInteger)aTokenType 38 { 39 return [[self getTokenNames] objectAtIndex:aTokenType]; 40 } 41 42 + (PolyLexer *)newPolyLexerWithCharStream:(id<CharStream>)anInput 43 { 44 return [[PolyLexer alloc] initWithCharStream:anInput]; 45 } 46 47 - (id) initWithCharStream:(id<CharStream>)anInput 48 { 49 self = [super initWithCharStream:anInput State:[RecognizerSharedState newRecognizerSharedStateWithRuleLen:6+1]]; 50 if ( self != nil ) { 51 } 52 return self; 53 } 54 55 - (void) dealloc 56 { 57 [super dealloc]; 58 } 59 60 /* ObjC Start of actions.lexer.methods */ 61 /* ObjC end of actions.lexer.methods */ 62 /* ObjC start methods() */ 63 /* ObjC end methods() */ 64 65 /* Start of Rules */ 66 // $ANTLR start "T__8" 67 - (void) mT__8 68 { 69 // 70 /* ruleScopeSetUp */ 71 72 /* ruleDeclarations */ 73 74 @try { 75 NSInteger _type = T__8; 76 NSInteger _channel = TokenChannelDefault; 77 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:7:6: ( '+' ) // ruleBlockSingleAlt 78 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:7:8: '+' // alt 79 { 80 81 82 [self matchChar:'+']; 83 84 85 } 86 87 /* token+rule list labels */ 88 89 state.type = _type; 90 state.channel = _channel; 91 } 92 @finally { 93 // 94 /* ruleScopeCleanUp */ 95 96 } 97 return; 98 } 99 /* $ANTLR end "T__8" */ 100 // $ANTLR start "T__9" 101 - (void) mT__9 102 { 103 // 104 /* ruleScopeSetUp */ 105 106 /* ruleDeclarations */ 107 108 @try { 109 NSInteger _type = T__9; 110 NSInteger _channel = TokenChannelDefault; 111 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:8:6: ( '^' ) // ruleBlockSingleAlt 112 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:8:8: '^' // alt 113 { 114 115 116 [self matchChar:'^']; 117 118 119 } 120 121 /* token+rule list labels */ 122 123 state.type = _type; 124 state.channel = _channel; 125 } 126 @finally { 127 // 128 /* ruleScopeCleanUp */ 129 130 } 131 return; 132 } 133 /* $ANTLR end "T__9" */ 134 // $ANTLR start "ID" 135 - (void) mID 136 { 137 // 138 /* ruleScopeSetUp */ 139 140 /* ruleDeclarations */ 141 NSString * value = nil ; 142 143 144 @try { 145 NSInteger _type = ID; 146 NSInteger _channel = TokenChannelDefault; 147 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:22:5: ( ( 'a' .. 'z' )+ ) // ruleBlockSingleAlt 148 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:22:7: ( 'a' .. 'z' )+ // alt 149 { 150 151 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:22:7: ( 'a' .. 'z' )+ // positiveClosureBlock 152 NSInteger cnt1 = 0; 153 do { 154 NSInteger alt1 = 2; 155 NSInteger LA1_0 = [input LA:1]; 156 if ( ((LA1_0 >= 'a' && LA1_0 <= 'z')) ) { 157 alt1=1; 158 } 159 160 161 switch (alt1) { 162 case 1 : ; 163 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g: // alt 164 { 165 166 if ((([input LA:1] >= 'a') && ([input LA:1] <= 'z'))) { 167 [input consume]; 168 } else { 169 MismatchedSetException *mse = [MismatchedSetException newException:nil stream:input]; 170 [self recover:mse]; 171 @throw mse; 172 } 173 174 175 } 176 break; 177 178 default : 179 if ( cnt1 >= 1 ) 180 goto loop1; 181 EarlyExitException *eee = 182 [EarlyExitException newException:input decisionNumber:1]; 183 @throw eee; 184 } 185 cnt1++; 186 } while (YES); 187 loop1: ; 188 189 190 } 191 192 /* token+rule list labels */ 193 194 state.type = _type; 195 state.channel = _channel; 196 } 197 @finally { 198 // 199 /* ruleScopeCleanUp */ 200 201 } 202 return; 203 } 204 /* $ANTLR end "ID" */ 205 // $ANTLR start "INT" 206 - (void) mINT 207 { 208 // 209 /* ruleScopeSetUp */ 210 211 /* ruleDeclarations */ 212 NSString * value = nil ; 213 214 215 @try { 216 NSInteger _type = INT; 217 NSInteger _channel = TokenChannelDefault; 218 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:25:5: ( ( '0' .. '9' )+ ) // ruleBlockSingleAlt 219 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:25:7: ( '0' .. '9' )+ // alt 220 { 221 222 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:25:7: ( '0' .. '9' )+ // positiveClosureBlock 223 NSInteger cnt2 = 0; 224 do { 225 NSInteger alt2 = 2; 226 NSInteger LA2_0 = [input LA:1]; 227 if ( ((LA2_0 >= '0' && LA2_0 <= '9')) ) { 228 alt2=1; 229 } 230 231 232 switch (alt2) { 233 case 1 : ; 234 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g: // alt 235 { 236 237 if ((([input LA:1] >= '0') && ([input LA:1] <= '9'))) { 238 [input consume]; 239 } else { 240 MismatchedSetException *mse = [MismatchedSetException newException:nil stream:input]; 241 [self recover:mse]; 242 @throw mse; 243 } 244 245 246 } 247 break; 248 249 default : 250 if ( cnt2 >= 1 ) 251 goto loop2; 252 EarlyExitException *eee = 253 [EarlyExitException newException:input decisionNumber:2]; 254 @throw eee; 255 } 256 cnt2++; 257 } while (YES); 258 loop2: ; 259 260 261 } 262 263 /* token+rule list labels */ 264 265 state.type = _type; 266 state.channel = _channel; 267 } 268 @finally { 269 // 270 /* ruleScopeCleanUp */ 271 272 } 273 return; 274 } 275 /* $ANTLR end "INT" */ 276 // $ANTLR start "WS" 277 - (void) mWS 278 { 279 // 280 /* ruleScopeSetUp */ 281 282 /* ruleDeclarations */ 283 284 @try { 285 NSInteger _type = WS; 286 NSInteger _channel = TokenChannelDefault; 287 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:27:4: ( ( ' ' | '\\t' | '\\r' | '\\n' )+ ) // ruleBlockSingleAlt 288 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:27:6: ( ' ' | '\\t' | '\\r' | '\\n' )+ // alt 289 { 290 291 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:27:6: ( ' ' | '\\t' | '\\r' | '\\n' )+ // positiveClosureBlock 292 NSInteger cnt3 = 0; 293 do { 294 NSInteger alt3 = 2; 295 NSInteger LA3_0 = [input LA:1]; 296 if ( ((LA3_0 >= '\t' && LA3_0 <= '\n')||LA3_0=='\r'||LA3_0==' ') ) { 297 alt3=1; 298 } 299 300 301 switch (alt3) { 302 case 1 : ; 303 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g: // alt 304 { 305 306 if ((([input LA:1] >= '\t') && ([input LA:1] <= '\n'))||[input LA:1] == '\r'||[input LA:1] == ' ') { 307 [input consume]; 308 } else { 309 MismatchedSetException *mse = [MismatchedSetException newException:nil stream:input]; 310 [self recover:mse]; 311 @throw mse; 312 } 313 314 315 } 316 break; 317 318 default : 319 if ( cnt3 >= 1 ) 320 goto loop3; 321 EarlyExitException *eee = 322 [EarlyExitException newException:input decisionNumber:3]; 323 @throw eee; 324 } 325 cnt3++; 326 } while (YES); 327 loop3: ; 328 329 330 331 _channel=HIDDEN; 332 333 334 } 335 336 /* token+rule list labels */ 337 338 state.type = _type; 339 state.channel = _channel; 340 } 341 @finally { 342 // 343 /* ruleScopeCleanUp */ 344 345 } 346 return; 347 } 348 /* $ANTLR end "WS" */ 349 - (void) mTokens 350 { 351 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:1:8: ( T__8 | T__9 | ID | INT | WS ) //ruleblock 352 NSInteger alt4=5; 353 unichar charLA4 = [input LA:1]; 354 switch (charLA4) { 355 case '+': ; 356 { 357 alt4=1; 358 } 359 break; 360 case '^': ; 361 { 362 alt4=2; 363 } 364 break; 365 case 'a': ; 366 case 'b': ; 367 case 'c': ; 368 case 'd': ; 369 case 'e': ; 370 case 'f': ; 371 case 'g': ; 372 case 'h': ; 373 case 'i': ; 374 case 'j': ; 375 case 'k': ; 376 case 'l': ; 377 case 'm': ; 378 case 'n': ; 379 case 'o': ; 380 case 'p': ; 381 case 'q': ; 382 case 'r': ; 383 case 's': ; 384 case 't': ; 385 case 'u': ; 386 case 'v': ; 387 case 'w': ; 388 case 'x': ; 389 case 'y': ; 390 case 'z': ; 391 { 392 alt4=3; 393 } 394 break; 395 case '0': ; 396 case '1': ; 397 case '2': ; 398 case '3': ; 399 case '4': ; 400 case '5': ; 401 case '6': ; 402 case '7': ; 403 case '8': ; 404 case '9': ; 405 { 406 alt4=4; 407 } 408 break; 409 case '\t': ; 410 case '\n': ; 411 case '\r': ; 412 case ' ': ; 413 { 414 alt4=5; 415 } 416 break; 417 418 default: ; 419 NoViableAltException *nvae = [NoViableAltException newException:4 state:0 stream:input]; 420 nvae.c = charLA4; 421 @throw nvae; 422 423 } 424 425 switch (alt4) { 426 case 1 : ; 427 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:1:10: T__8 // alt 428 { 429 430 431 [self mT__8]; 432 433 434 435 } 436 break; 437 case 2 : ; 438 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:1:15: T__9 // alt 439 { 440 441 442 [self mT__9]; 443 444 445 446 } 447 break; 448 case 3 : ; 449 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:1:20: ID // alt 450 { 451 452 453 [self mID]; 454 455 456 457 } 458 break; 459 case 4 : ; 460 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:1:23: INT // alt 461 { 462 463 464 [self mINT]; 465 466 467 468 } 469 break; 470 case 5 : ; 471 // /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/polydiff/Poly.g:1:27: WS // alt 472 { 473 474 475 [self mWS]; 476 477 478 479 } 480 break; 481 482 } 483 484 } 485 486 @end /* end of PolyLexer implementation line 397 */
