input.c revision 1.7
1 /* $NetBSD: input.c,v 1.7 1998/11/06 23:10:08 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)input.c 8.1 (Berkeley) 6/6/93"; 40 #endif 41 __RCSID("$NetBSD: input.c,v 1.7 1998/11/06 23:10:08 christos Exp $"); 42 #endif /* not lint */ 43 44 #include <stdio.h> 45 #include <ctype.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include "error.h" 49 50 int wordc; /* how long the current error message is */ 51 char **wordv; /* the actual error message */ 52 53 Errorclass catchall __P((void)); 54 Errorclass cpp __P((void)); 55 Errorclass f77 __P((void)); 56 Errorclass lint0 __P((void)); 57 Errorclass lint1 __P((void)); 58 Errorclass lint2 __P((void)); 59 Errorclass lint3 __P((void)); 60 Errorclass make __P((void)); 61 Errorclass mod2 __P((void)); 62 Errorclass onelong __P((void)); 63 Errorclass pccccom __P((void)); /* Portable C Compiler C Compiler */ 64 Errorclass pi __P((void)); 65 Errorclass ri __P((void)); 66 Errorclass richieccom __P((void)); /* Richie Compiler for 11 */ 67 Errorclass troff __P((void)); 68 69 /* 70 * Eat all of the lines in the input file, attempting to categorize 71 * them by their various flavors 72 */ 73 void 74 eaterrors(r_errorc, r_errorv) 75 int *r_errorc; 76 Eptr **r_errorv; 77 { 78 Errorclass errorclass = C_SYNC; 79 char *line; 80 char *inbuffer; 81 size_t inbuflen; 82 83 for (;;){ 84 if ((inbuffer = fgetln(errorfile, &inbuflen)) == NULL) 85 break; 86 line = Calloc(inbuflen + 1, sizeof(char)); 87 memcpy(line, inbuffer, inbuflen); 88 line[inbuflen] = '\0'; 89 wordvbuild(line, &wordc, &wordv); 90 /* 91 * for convience, convert wordv to be 1 based, instead 92 * of 0 based. 93 */ 94 wordv -= 1; 95 if ( wordc > 0 && 96 ((( errorclass = onelong() ) != C_UNKNOWN) 97 || (( errorclass = cpp() ) != C_UNKNOWN) 98 || (( errorclass = pccccom() ) != C_UNKNOWN) 99 || (( errorclass = richieccom() ) != C_UNKNOWN) 100 || (( errorclass = lint0() ) != C_UNKNOWN) 101 || (( errorclass = lint1() ) != C_UNKNOWN) 102 || (( errorclass = lint2() ) != C_UNKNOWN) 103 || (( errorclass = lint3() ) != C_UNKNOWN) 104 || (( errorclass = make() ) != C_UNKNOWN) 105 || (( errorclass = f77() ) != C_UNKNOWN) 106 || ((errorclass = pi() ) != C_UNKNOWN) 107 || (( errorclass = ri() )!= C_UNKNOWN) 108 || (( errorclass = mod2() )!= C_UNKNOWN) 109 || (( errorclass = troff() )!= C_UNKNOWN)) 110 ) ; 111 else 112 errorclass = catchall(); 113 if (wordc) 114 erroradd(wordc, wordv+1, errorclass, C_UNKNOWN); 115 } 116 #ifdef FULLDEBUG 117 printf("%d errorentrys\n", nerrors); 118 #endif 119 arrayify(r_errorc, r_errorv, er_head); 120 } 121 122 /* 123 * create a new error entry, given a zero based array and count 124 */ 125 void 126 erroradd(errorlength, errorv, errorclass, errorsubclass) 127 int errorlength; 128 char **errorv; 129 Errorclass errorclass; 130 Errorclass errorsubclass; 131 { 132 Eptr newerror; 133 char *cp; 134 135 if (errorclass == C_TRUE){ 136 /* check canonicalization of the second argument*/ 137 for(cp = errorv[1]; *cp && isdigit((unsigned char)*cp); cp++) 138 continue; 139 errorclass = (*cp == '\0') ? C_TRUE : C_NONSPEC; 140 #ifdef FULLDEBUG 141 if (errorclass != C_TRUE) 142 printf("The 2nd word, \"%s\" is not a number.\n", 143 errorv[1]); 144 #endif 145 } 146 if (errorlength > 0){ 147 newerror = (Eptr)Calloc(1, sizeof(Edesc)); 148 newerror->error_language = language; /* language is global */ 149 newerror->error_text = errorv; 150 newerror->error_lgtext = errorlength; 151 if (errorclass == C_TRUE) 152 newerror->error_line = atoi(errorv[1]); 153 newerror->error_e_class = errorclass; 154 newerror->error_s_class = errorsubclass; 155 switch(newerror->error_e_class = discardit(newerror)){ 156 case C_SYNC: nsyncerrors++; break; 157 case C_DISCARD: ndiscard++; break; 158 case C_NULLED: nnulled++; break; 159 case C_NONSPEC: nnonspec++; break; 160 case C_THISFILE: nthisfile++; break; 161 case C_TRUE: ntrue++; break; 162 case C_UNKNOWN: nunknown++; break; 163 case C_IGNORE: nignore++; break; 164 } 165 newerror->error_next = er_head; 166 er_head = newerror; 167 newerror->error_no = nerrors++; 168 } /* length > 0 */ 169 } 170 171 Errorclass 172 onelong() 173 { 174 char **nwordv; 175 if ( (wordc == 1) && (language != INLD) ){ 176 /* 177 * We have either: 178 * a) file name from cc 179 * b) Assembler telling world that it is complaining 180 * c) Noise from make ("Stop.") 181 * c) Random noise 182 */ 183 wordc = 0; 184 if (strcmp(wordv[1], "Stop.") == 0){ 185 language = INMAKE; return(C_SYNC); 186 } 187 if (strcmp(wordv[1], "Assembler:") == 0){ 188 /* assembler always alerts us to what happened*/ 189 language = INAS; return(C_SYNC); 190 } else 191 if (strcmp(wordv[1], "Undefined:") == 0){ 192 /* loader complains about unknown symbols*/ 193 language = INLD; return(C_SYNC); 194 } 195 if (lastchar(wordv[1]) == ':'){ 196 /* cc tells us what file we are in */ 197 currentfilename = wordv[1]; 198 (void)substitute(currentfilename, ':', '\0'); 199 language = INCC; return(C_SYNC); 200 } 201 } else 202 if ( (wordc == 1) && (language == INLD) ){ 203 nwordv = (char **)Calloc(4, sizeof(char *)); 204 nwordv[0] = "ld:"; 205 nwordv[1] = wordv[1]; 206 nwordv[2] = "is"; 207 nwordv[3] = "undefined."; 208 wordc = 4; 209 wordv = nwordv - 1; 210 return(C_NONSPEC); 211 } else 212 if (wordc == 1){ 213 return(C_SYNC); 214 } 215 return(C_UNKNOWN); 216 } /* end of one long */ 217 218 Errorclass 219 cpp() 220 { 221 /* 222 * Now attempt a cpp error message match 223 * Examples: 224 * ./morse.h: 23: undefined control 225 * morsesend.c: 229: MAGNIBBL: argument mismatch 226 * morsesend.c: 237: MAGNIBBL: argument mismatch 227 * test1.c: 6: undefined control 228 */ 229 if ( (language != INLD) /* loader errors have almost same fmt*/ 230 && (lastchar(wordv[1]) == ':') 231 && (isdigit((unsigned char)firstchar(wordv[2]))) 232 && (lastchar(wordv[2]) == ':') ){ 233 language = INCPP; 234 clob_last(wordv[1], '\0'); 235 clob_last(wordv[2], '\0'); 236 return(C_TRUE); 237 } 238 return(C_UNKNOWN); 239 } /*end of cpp*/ 240 241 Errorclass 242 pccccom() 243 { 244 /* 245 * Now attempt a ccom error message match: 246 * Examples: 247 * "morsesend.c", line 237: operands of & have incompatible types 248 * "test.c", line 7: warning: old-fashioned initialization: use = 249 * "subdir.d/foo2.h", line 1: illegal initialization 250 */ 251 if ( (firstchar(wordv[1]) == '"') 252 && (lastchar(wordv[1]) == ',') 253 && (next_lastchar(wordv[1]) == '"') 254 && (strcmp(wordv[2],"line") == 0) 255 && (isdigit((unsigned char)firstchar(wordv[3]))) 256 && (lastchar(wordv[3]) == ':') ){ 257 clob_last(wordv[1], '\0'); /* drop last , */ 258 clob_last(wordv[1], '\0'); /* drop last " */ 259 wordv[1]++; /* drop first " */ 260 clob_last(wordv[3], '\0'); /* drop : on line number */ 261 wordv[2] = wordv[1]; /* overwrite "line" */ 262 wordv++; /*compensate*/ 263 wordc--; 264 currentfilename = wordv[1]; 265 language = INCC; 266 return(C_TRUE); 267 } 268 return(C_UNKNOWN); 269 } /* end of ccom */ 270 /* 271 * Do the error message from the Richie C Compiler for the PDP11, 272 * which has this source: 273 * 274 * if (filename[0]) 275 * fprintf(stderr, "%s:", filename); 276 * fprintf(stderr, "%d: ", line); 277 * 278 */ 279 280 Errorclass 281 richieccom() 282 { 283 char *cp; 284 char **nwordv; 285 char *file; 286 287 if (lastchar(wordv[1]) == ':'){ 288 cp = wordv[1] + strlen(wordv[1]) - 1; 289 while (isdigit((unsigned char)*--cp)) 290 continue; 291 if (*cp == ':'){ 292 clob_last(wordv[1], '\0'); /* last : */ 293 *cp = '\0'; /* first : */ 294 file = wordv[1]; 295 nwordv = wordvsplice(1, wordc, wordv+1); 296 nwordv[0] = file; 297 nwordv[1] = cp + 1; 298 wordc += 1; 299 wordv = nwordv - 1; 300 language = INCC; 301 currentfilename = wordv[1]; 302 return(C_TRUE); 303 } 304 } 305 return(C_UNKNOWN); 306 } 307 308 Errorclass 309 lint0() 310 { 311 char **nwordv; 312 char *line, *file; 313 /* 314 * Attempt a match for the new lint style normal compiler 315 * error messages, of the form 316 * 317 * printf("%s(%d): %s\n", filename, linenumber, message); 318 */ 319 if (wordc >= 2){ 320 if ( (lastchar(wordv[1]) == ':') 321 && (next_lastchar(wordv[1]) == ')') 322 ) { 323 clob_last(wordv[1], '\0'); /* colon */ 324 if (persperdexplode(wordv[1], &line, &file)){ 325 nwordv = wordvsplice(1, wordc, wordv+1); 326 nwordv[0] = file; /* file name */ 327 nwordv[1] = line; /* line number */ 328 wordc += 1; 329 wordv = nwordv - 1; 330 language = INLINT; 331 return(C_TRUE); 332 } 333 wordv[1][strlen(wordv[1])] = ':'; 334 } 335 } 336 return (C_UNKNOWN); 337 } 338 339 Errorclass 340 lint1() 341 { 342 char *line1, *line2; 343 char *file1, *file2; 344 char **nwordv1, **nwordv2; 345 346 /* 347 * Now, attempt a match for the various errors that lint 348 * can complain about. 349 * 350 * Look first for type 1 lint errors 351 */ 352 if (wordc > 1 && strcmp(wordv[wordc-1], "::") == 0){ 353 /* 354 * %.7s, arg. %d used inconsistently %s(%d) :: %s(%d) 355 * %.7s value used inconsistently %s(%d) :: %s(%d) 356 * %.7s multiply declared %s(%d) :: %s(%d) 357 * %.7s value declared inconsistently %s(%d) :: %s(%d) 358 * %.7s function value type must be declared before use %s(%d) :: %s(%d) 359 */ 360 language = INLINT; 361 if (wordc > 2 362 && (persperdexplode(wordv[wordc], &line2, &file2)) 363 && (persperdexplode(wordv[wordc-2], &line1, &file1)) ){ 364 nwordv1 = wordvsplice(2, wordc, wordv+1); 365 nwordv2 = wordvsplice(2, wordc, wordv+1); 366 nwordv1[0] = file1; nwordv1[1] = line1; 367 erroradd(wordc+2, nwordv1, C_TRUE, C_DUPL); /* takes 0 based*/ 368 nwordv2[0] = file2; nwordv2[1] = line2; 369 wordc = wordc + 2; 370 wordv = nwordv2 - 1; /* 1 based */ 371 return(C_TRUE); 372 } 373 } 374 return(C_UNKNOWN); 375 } /* end of lint 1*/ 376 377 Errorclass 378 lint2() 379 { 380 char *file; 381 char *line; 382 char **nwordv; 383 /* 384 * Look for type 2 lint errors 385 * 386 * %.7s used( %s(%d) ), but not defined 387 * %.7s defined( %s(%d) ), but never used 388 * %.7s declared( %s(%d) ), but never used or defined 389 * 390 * bufp defined( "./metric.h"(10) ), but never used 391 */ 392 if ( (lastchar(wordv[2]) == '(' /* ')' */ ) 393 && (strcmp(wordv[4], "),") == 0) ){ 394 language = INLINT; 395 if (persperdexplode(wordv[3], &line, &file)){ 396 nwordv = wordvsplice(2, wordc, wordv+1); 397 nwordv[0] = file; nwordv[1] = line; 398 wordc = wordc + 2; 399 wordv = nwordv - 1; /* 1 based */ 400 return(C_TRUE); 401 } 402 } 403 return(C_UNKNOWN); 404 } /* end of lint 2*/ 405 406 char *Lint31[4] = {"returns", "value", "which", "is"}; 407 char *Lint32[6] = {"value", "is", "used,", "but", "none", "returned"}; 408 409 Errorclass 410 lint3() 411 { 412 if ( (wordvcmp(wordv+2, 4, Lint31) == 0) 413 || (wordvcmp(wordv+2, 6, Lint32) == 0) ){ 414 language = INLINT; 415 return(C_NONSPEC); 416 } 417 return(C_UNKNOWN); 418 } 419 420 /* 421 * Special word vectors for use by F77 recognition 422 */ 423 char *F77_fatal[3] = {"Compiler", "error", "line"}; 424 char *F77_error[3] = {"Error", "on", "line"}; 425 char *F77_warning[3] = {"Warning", "on", "line"}; 426 char *F77_no_ass[3] = {"Error.","No","assembly."}; 427 428 Errorclass 429 f77() 430 { 431 char **nwordv; 432 /* 433 * look for f77 errors: 434 * Error messages from /usr/src/cmd/f77/error.c, with 435 * these printf formats: 436 * 437 * Compiler error line %d of %s: %s 438 * Error on line %d of %s: %s 439 * Warning on line %d of %s: %s 440 * Error. No assembly. 441 */ 442 if (wordc == 3 && wordvcmp(wordv+1, 3, F77_no_ass) == 0) { 443 wordc = 0; 444 return(C_SYNC); 445 } 446 if (wordc < 6) 447 return(C_UNKNOWN); 448 if ( (lastchar(wordv[6]) == ':') 449 &&( 450 (wordvcmp(wordv+1, 3, F77_fatal) == 0) 451 || (wordvcmp(wordv+1, 3, F77_error) == 0) 452 || (wordvcmp(wordv+1, 3, F77_warning) == 0) ) 453 ){ 454 language = INF77; 455 nwordv = wordvsplice(2, wordc, wordv+1); 456 nwordv[0] = wordv[6]; 457 clob_last(nwordv[0],'\0'); 458 nwordv[1] = wordv[4]; 459 wordc += 2; 460 wordv = nwordv - 1; /* 1 based */ 461 return(C_TRUE); 462 } 463 return(C_UNKNOWN); 464 } /* end of f77 */ 465 466 char *Make_Croak[3] = {"***", "Error", "code"}; 467 char *Make_NotRemade[5] = {"not", "remade", "because", "of", "errors"}; 468 469 Errorclass 470 make() 471 { 472 if (wordvcmp(wordv+1, 3, Make_Croak) == 0){ 473 language = INMAKE; 474 return(C_SYNC); 475 } 476 if (wordvcmp(wordv+2, 5, Make_NotRemade) == 0){ 477 language = INMAKE; 478 return(C_SYNC); 479 } 480 return(C_UNKNOWN); 481 } 482 483 Errorclass 484 ri() 485 { 486 /* 487 * Match an error message produced by ri; here is the 488 * procedure yanked from the distributed version of ri 489 * April 24, 1980. 490 * 491 * serror(str, x1, x2, x3) 492 * char str[]; 493 * char *x1, *x2, *x3; 494 * { 495 * extern int yylineno; 496 * 497 * putc('"', stdout); 498 * fputs(srcfile, stdout); 499 * putc('"', stdout); 500 * fprintf(stdout, " %d: ", yylineno); 501 * fprintf(stdout, str, x1, x2, x3); 502 * fprintf(stdout, "\n"); 503 * synerrs++; 504 * } 505 */ 506 if ( (firstchar(wordv[1]) == '"') 507 &&(lastchar(wordv[1]) == '"') 508 &&(lastchar(wordv[2]) == ':') 509 &&(isdigit((unsigned char)firstchar(wordv[2]))) ){ 510 clob_last(wordv[1], '\0'); /* drop the last " */ 511 wordv[1]++; /* skip over the first " */ 512 clob_last(wordv[2], '\0'); 513 language = INRI; 514 return(C_TRUE); 515 } 516 return(C_UNKNOWN); 517 } 518 519 Errorclass 520 catchall() 521 { 522 /* 523 * Catches random things. 524 */ 525 language = INUNKNOWN; 526 return(C_NONSPEC); 527 } /* end of catch all*/ 528 529 Errorclass 530 troff() 531 { 532 /* 533 * troff source error message, from eqn, bib, tbl... 534 * Just like pcc ccom, except uses `' 535 */ 536 if ( (firstchar(wordv[1]) == '`') 537 && (lastchar(wordv[1]) == ',') 538 && (next_lastchar(wordv[1]) == '\'') 539 && (strcmp(wordv[2],"line") == 0) 540 && (isdigit((unsigned char)firstchar(wordv[3]))) 541 && (lastchar(wordv[3]) == ':') ){ 542 clob_last(wordv[1], '\0'); /* drop last , */ 543 clob_last(wordv[1], '\0'); /* drop last " */ 544 wordv[1]++; /* drop first " */ 545 clob_last(wordv[3], '\0'); /* drop : on line number */ 546 wordv[2] = wordv[1]; /* overwrite "line" */ 547 wordv++; /*compensate*/ 548 currentfilename = wordv[1]; 549 language = INTROFF; 550 return(C_TRUE); 551 } 552 return(C_UNKNOWN); 553 } 554 555 Errorclass 556 mod2() 557 { 558 /* 559 * for decwrl modula2 compiler (powell) 560 */ 561 if ( ( (strcmp(wordv[1], "!!!") == 0) /* early version */ 562 ||(strcmp(wordv[1], "File") == 0)) /* later version */ 563 && (lastchar(wordv[2]) == ',') /* file name */ 564 && (strcmp(wordv[3], "line") == 0) 565 && (isdigit((unsigned char)firstchar(wordv[4]))) /* line number */ 566 && (lastchar(wordv[4]) == ':') /* line number */ 567 ){ 568 clob_last(wordv[2], '\0'); /* drop last , on file name */ 569 clob_last(wordv[4], '\0'); /* drop last : on line number */ 570 wordv[3] = wordv[2]; /* file name on top of "line" */ 571 wordv += 2; 572 wordc -= 2; 573 currentfilename = wordv[1]; 574 language = INMOD2; 575 return(C_TRUE); 576 } 577 return(C_UNKNOWN); 578 } 579
Indexes created Wed Sep 24 05:09:52 GMT 2025