4.3BSD - /usr/src/ucb/error/errorinput.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)errorinput.c	5.1 (Berkeley) 5/31/85";
   9: #endif not lint
  10: 
  11: #include <stdio.h>
  12: #include <ctype.h>
  13: #include "error.h"
  14: 
  15: int wordc;      /* how long the current error message is */
  16: char    **wordv;    /* the actual error message */
  17: 
  18: int nerrors;
  19: int language;
  20: 
  21: Errorclass  onelong();
  22: Errorclass  cpp();
  23: Errorclass  pccccom();  /* Portable C Compiler C Compiler */
  24: Errorclass  richieccom();   /* Richie Compiler for 11 */
  25: Errorclass  lint0();
  26: Errorclass  lint1();
  27: Errorclass  lint2();
  28: Errorclass  lint3();
  29: Errorclass  make();
  30: Errorclass  f77();
  31: Errorclass  pi();
  32: Errorclass  ri();
  33: Errorclass  troff();
  34: Errorclass  mod2();
  35: /*
  36:  *	Eat all of the lines in the input file, attempting to categorize
  37:  *	them by their various flavors
  38:  */
  39: static  char    inbuffer[BUFSIZ];
  40: 
  41: eaterrors(r_errorc, r_errorv)
  42:     int *r_errorc;
  43:     Eptr    **r_errorv;
  44: {
  45:     extern  boolean piflag;
  46:     Errorclass  errorclass = C_SYNC;
  47: 
  48:     for (;;){
  49:     if (fgets(inbuffer, BUFSIZ, errorfile) == NULL)
  50:         break;
  51:     wordvbuild(inbuffer, &wordc, &wordv);
  52:     /*
  53: 	 *	for convience, convert wordv to be 1 based, instead
  54: 	 *	of 0 based.
  55: 	 */
  56:     wordv -= 1;
  57:     if ( wordc > 0 &&
  58:        ((( errorclass = onelong() ) != C_UNKNOWN)
  59:        || (( errorclass = cpp() ) != C_UNKNOWN)
  60:        || (( errorclass = pccccom() ) != C_UNKNOWN)
  61:        || (( errorclass = richieccom() ) != C_UNKNOWN)
  62:        || (( errorclass = lint0() ) != C_UNKNOWN)
  63:        || (( errorclass = lint1() ) != C_UNKNOWN)
  64:        || (( errorclass = lint2() ) != C_UNKNOWN)
  65:        || (( errorclass = lint3() ) != C_UNKNOWN)
  66:        || (( errorclass = make() ) != C_UNKNOWN)
  67:        || (( errorclass = f77() ) != C_UNKNOWN)
  68:        || ((errorclass = pi() ) != C_UNKNOWN)
  69:        || (( errorclass = ri() )!= C_UNKNOWN)
  70:        || (( errorclass = mod2() )!= C_UNKNOWN)
  71:        || (( errorclass = troff() )!= C_UNKNOWN))
  72:     ) ;
  73:     else
  74:         errorclass = catchall();
  75:     if (wordc)
  76:         erroradd(wordc, wordv+1, errorclass, C_UNKNOWN);
  77:     }
  78: #ifdef FULLDEBUG
  79:     printf("%d errorentrys\n", nerrors);
  80: #endif
  81:     arrayify(r_errorc, r_errorv, er_head);
  82: }
  83: 
  84: /*
  85:  *	create a new error entry, given a zero based array and count
  86:  */
  87: erroradd(errorlength, errorv, errorclass, errorsubclass)
  88:     int     errorlength;
  89:     char        **errorv;
  90:     Errorclass  errorclass;
  91:     Errorclass  errorsubclass;
  92: {
  93:     reg Eptr    newerror;
  94:     reg char    *cp;
  95: 
  96:     if (errorclass == C_TRUE){
  97:         /* check canonicalization of the second argument*/
  98:         for(cp = errorv[1]; *cp && isdigit(*cp); cp++)
  99:             continue;
 100:         errorclass = (*cp == '\0') ? C_TRUE : C_NONSPEC;
 101: #ifdef FULLDEBUG
 102:         if (errorclass != C_TRUE)
 103:             printf("The 2nd word, \"%s\" is not a number.\n",
 104:                 errorv[1]);
 105: #endif
 106:     }
 107:     if (errorlength > 0){
 108:         newerror = (Eptr)Calloc(1, sizeof(Edesc));
 109:         newerror->error_language = language; /* language is global */
 110:         newerror->error_text = errorv;
 111:         newerror->error_lgtext = errorlength;
 112:         if (errorclass == C_TRUE)
 113:             newerror->error_line = atoi(errorv[1]);
 114:         newerror->error_e_class = errorclass;
 115:         newerror->error_s_class = errorsubclass;
 116:         switch(newerror->error_e_class = discardit(newerror)){
 117:             case C_SYNC:        nsyncerrors++; break;
 118:             case C_DISCARD:     ndiscard++; break;
 119:             case C_NULLED:      nnulled++; break;
 120:             case C_NONSPEC:     nnonspec++; break;
 121:             case C_THISFILE:    nthisfile++; break;
 122:             case C_TRUE:        ntrue++; break;
 123:             case C_UNKNOWN:     nunknown++; break;
 124:             case C_IGNORE:      nignore++; break;
 125:         }
 126:         newerror->error_next = er_head;
 127:         er_head = newerror;
 128:         newerror->error_no = nerrors++;
 129:     }   /* length > 0 */
 130: }
 131: 
 132: Errorclass onelong()
 133: {
 134:     char    **nwordv;
 135:     if ( (wordc == 1) && (language != INLD) ){
 136:         /*
 137: 		 *	We have either:
 138: 		 *	a)	file name from cc
 139: 		 *	b)	Assembler telling world that it is complaining
 140: 		 *	c)	Noise from make ("Stop.")
 141: 		 *	c)	Random noise
 142: 		 */
 143:         wordc = 0;
 144:         if (strcmp(wordv[1], "Stop.") == 0){
 145:             language = INMAKE; return(C_SYNC);
 146:         }
 147:         if (strcmp(wordv[1], "Assembler:") == 0){
 148:             /* assembler always alerts us to what happened*/
 149:             language = INAS; return(C_SYNC);
 150:         } else
 151:         if (strcmp(wordv[1], "Undefined:") == 0){
 152:             /* loader complains about unknown symbols*/
 153:             language = INLD; return(C_SYNC);
 154:         }
 155:         if (lastchar(wordv[1]) == ':'){
 156:             /* cc tells us what file we are in */
 157:             currentfilename = wordv[1];
 158:             (void)substitute(currentfilename, ':', '\0');
 159:             language = INCC; return(C_SYNC);
 160:         }
 161:     } else
 162:     if ( (wordc == 1) && (language == INLD) ){
 163:         nwordv = (char **)Calloc(4, sizeof(char *));
 164:         nwordv[0] = "ld:";
 165:         nwordv[1] = wordv[1];
 166:         nwordv[2] = "is";
 167:         nwordv[3] = "undefined.";
 168:         wordc = 4;
 169:         wordv = nwordv - 1;
 170:         return(C_NONSPEC);
 171:     } else
 172:     if (wordc == 1){
 173:         return(C_SYNC);
 174:     }
 175:     return(C_UNKNOWN);
 176: }   /* end of one long */
 177: 
 178: Errorclass  cpp()
 179: {
 180:     /*
 181: 	 *	Now attempt a cpp error message match
 182: 	 *	Examples:
 183: 	 *		./morse.h: 23: undefined control
 184: 	 *		morsesend.c: 229: MAGNIBBL: argument mismatch
 185: 	 *		morsesend.c: 237: MAGNIBBL: argument mismatch
 186: 	 *		test1.c: 6: undefined control
 187: 	 */
 188:     if (   (language != INLD)       /* loader errors have almost same fmt*/
 189:         && (lastchar(wordv[1]) == ':')
 190:         && (isdigit(firstchar(wordv[2])))
 191:         && (lastchar(wordv[2]) == ':') ){
 192:         language = INCPP;
 193:         clob_last(wordv[1], '\0');
 194:         clob_last(wordv[2], '\0');
 195:         return(C_TRUE);
 196:     }
 197:     return(C_UNKNOWN);
 198: }   /*end of cpp*/
 199: 
 200: Errorclass pccccom()
 201: {
 202:     /*
 203: 	 *	Now attempt a ccom error message match:
 204: 	 *	Examples:
 205: 	 *	  "morsesend.c", line 237: operands of & have incompatible types
 206: 	 *	  "test.c", line 7: warning: old-fashioned initialization: use =
 207: 	 *	  "subdir.d/foo2.h", line 1: illegal initialization
 208: 	 */
 209:     if (   (firstchar(wordv[1]) == '"')
 210:         && (lastchar(wordv[1]) == ',')
 211:         && (next_lastchar(wordv[1]) == '"')
 212:         && (strcmp(wordv[2],"line") == 0)
 213:         && (isdigit(firstchar(wordv[3])))
 214:         && (lastchar(wordv[3]) == ':') ){
 215:         clob_last(wordv[1], '\0');  /* drop last , */
 216:         clob_last(wordv[1], '\0');  /* drop last " */
 217:         wordv[1]++;         /* drop first " */
 218:         clob_last(wordv[3], '\0');  /* drop : on line number */
 219:         wordv[2] = wordv[1];    /* overwrite "line" */
 220:         wordv++;        /*compensate*/
 221:         wordc--;
 222:         currentfilename = wordv[1];
 223:         language = INCC;
 224:         return(C_TRUE);
 225:     }
 226:     return(C_UNKNOWN);
 227: }   /* end of ccom */
 228: /*
 229:  *	Do the error message from the Richie C Compiler for the PDP11,
 230:  *	which has this source:
 231:  *
 232:  *	if (filename[0])
 233:  *		fprintf(stderr, "%s:", filename);
 234:  *	fprintf(stderr, "%d: ", line);
 235:  *
 236:  */
 237: Errorclass richieccom()
 238: {
 239:     reg char    *cp;
 240:     reg char    **nwordv;
 241:         char    *file;
 242: 
 243:     if (lastchar(wordv[1]) == ':'){
 244:         cp = wordv[1] + strlen(wordv[1]) - 1;
 245:         while (isdigit(*--cp))
 246:             continue;
 247:         if (*cp == ':'){
 248:             clob_last(wordv[1], '\0');  /* last : */
 249:             *cp = '\0';         /* first : */
 250:             file = wordv[1];
 251:             nwordv = wordvsplice(1, wordc, wordv+1);
 252:             nwordv[0] = file;
 253:             nwordv[1] = cp + 1;
 254:             wordc += 1;
 255:             wordv = nwordv - 1;
 256:             language = INCC;
 257:             currentfilename = wordv[1];
 258:             return(C_TRUE);
 259:         }
 260:     }
 261:     return(C_UNKNOWN);
 262: }
 263: 
 264: Errorclass lint0()
 265: {
 266:     reg char    **nwordv;
 267:         char    *line, *file;
 268:     /*
 269: 	 *	Attempt a match for the new lint style normal compiler
 270: 	 *	error messages, of the form
 271: 	 *
 272: 	 *	printf("%s(%d): %s\n", filename, linenumber, message);
 273: 	 */
 274:     if (wordc >= 2){
 275:         if (   (lastchar(wordv[1]) == ':')
 276:             && (next_lastchar(wordv[1]) == ')')
 277:         ) {
 278:             clob_last(wordv[1], '\0'); /* colon */
 279:             if (persperdexplode(wordv[1], &line, &file)){
 280:                 nwordv = wordvsplice(1, wordc, wordv+1);
 281:                 nwordv[0] = file;   /* file name */
 282:                 nwordv[1] = line;   /* line number */
 283:                 wordc += 1;
 284:                 wordv = nwordv - 1;
 285:                 language = INLINT;
 286:                 return(C_TRUE);
 287:             }
 288:             wordv[1][strlen(wordv[1])] = ':';
 289:         }
 290:     }
 291:     return (C_UNKNOWN);
 292: }
 293: 
 294: Errorclass lint1()
 295: {
 296:     char    *line1, *line2;
 297:     char    *file1, *file2;
 298:     char    **nwordv1, **nwordv2;
 299: 
 300:     /*
 301: 	 *	Now, attempt a match for the various errors that lint
 302: 	 *	can complain about.
 303: 	 *
 304: 	 *	Look first for type 1 lint errors
 305: 	 */
 306:     if (wordc > 1 && strcmp(wordv[wordc-1], "::") == 0){
 307:      /*
 308:   	  * %.7s, arg. %d used inconsistently %s(%d) :: %s(%d)
 309:   	  * %.7s value used inconsistently %s(%d) :: %s(%d)
 310:   	  * %.7s multiply declared %s(%d) :: %s(%d)
 311:   	  * %.7s value declared inconsistently %s(%d) :: %s(%d)
 312:   	  * %.7s function value type must be declared before use %s(%d) :: %s(%d)
 313: 	  */
 314:         language = INLINT;
 315:         if (wordc > 2
 316:              && (persperdexplode(wordv[wordc], &line2, &file2))
 317:              && (persperdexplode(wordv[wordc-2], &line1, &file1)) ){
 318:             nwordv1 = wordvsplice(2, wordc, wordv+1);
 319:             nwordv2 = wordvsplice(2, wordc, wordv+1);
 320:             nwordv1[0] = file1; nwordv1[1] = line1;
 321:             erroradd(wordc+2, nwordv1, C_TRUE, C_DUPL); /* takes 0 based*/
 322:             nwordv2[0] = file2; nwordv2[1] = line2;
 323:             wordc = wordc + 2;
 324:             wordv = nwordv2 - 1;    /* 1 based */
 325:             return(C_TRUE);
 326:         }
 327:     }
 328:     return(C_UNKNOWN);
 329: } /* end of lint 1*/
 330: 
 331: Errorclass lint2()
 332: {
 333:     char    *file;
 334:     char    *line;
 335:     char    **nwordv;
 336:     /*
 337: 	 *	Look for type 2 lint errors
 338: 	 *
 339: 	 *	%.7s used( %s(%d) ), but not defined
 340: 	 *	%.7s defined( %s(%d) ), but never used
 341: 	 *	%.7s declared( %s(%d) ), but never used or defined
 342: 	 *
 343: 	 *	bufp defined( "./metric.h"(10) ), but never used
 344: 	 */
 345:     if (   (lastchar(wordv[2]) == '(' /* ')' */ )
 346:         && (strcmp(wordv[4], "),") == 0) ){
 347:         language = INLINT;
 348:         if (persperdexplode(wordv[3], &line, &file)){
 349:             nwordv = wordvsplice(2, wordc, wordv+1);
 350:             nwordv[0] = file; nwordv[1] = line;
 351:             wordc = wordc + 2;
 352:             wordv = nwordv - 1; /* 1 based */
 353:             return(C_TRUE);
 354:         }
 355:     }
 356:     return(C_UNKNOWN);
 357: } /* end of lint 2*/
 358: 
 359: char    *Lint31[4] = {"returns", "value", "which", "is"};
 360: char    *Lint32[6] = {"value", "is", "used,", "but", "none", "returned"};
 361: Errorclass lint3()
 362: {
 363:     if (   (wordvcmp(wordv+2, 4, Lint31) == 0)
 364:         || (wordvcmp(wordv+2, 6, Lint32) == 0) ){
 365:         language = INLINT;
 366:         return(C_NONSPEC);
 367:     }
 368:     return(C_UNKNOWN);
 369: }
 370: 
 371: /*
 372:  *	Special word vectors for use by F77 recognition
 373:  */
 374: char    *F77_fatal[3] = {"Compiler", "error", "line"};
 375: char    *F77_error[3] = {"Error", "on", "line"};
 376: char    *F77_warning[3] = {"Warning", "on", "line"};
 377: char    *F77_no_ass[3] = {"Error.","No","assembly."};
 378: f77()
 379: {
 380:     char    **nwordv;
 381:     /*
 382: 	 *	look for f77 errors:
 383: 	 *	Error messages from /usr/src/cmd/f77/error.c, with
 384: 	 *	these printf formats:
 385: 	 *
 386: 	 *		Compiler error line %d of %s: %s
 387: 	 *		Error on line %d of %s: %s
 388: 	 *		Warning on line %d of %s: %s
 389: 	 *		Error.  No assembly.
 390: 	 */
 391:     if (wordc == 3 && wordvcmp(wordv+1, 3, F77_no_ass) == 0) {
 392:         wordc = 0;
 393:         return(C_SYNC);
 394:     }
 395:     if (wordc < 6)
 396:         return(C_UNKNOWN);
 397:     if (    (lastchar(wordv[6]) == ':')
 398:         &&(
 399:            (wordvcmp(wordv+1, 3, F77_fatal) == 0)
 400:         || (wordvcmp(wordv+1, 3, F77_error) == 0)
 401:         || (wordvcmp(wordv+1, 3, F77_warning) == 0) )
 402:     ){
 403:         language = INF77;
 404:         nwordv = wordvsplice(2, wordc, wordv+1);
 405:         nwordv[0] = wordv[6];
 406:         clob_last(nwordv[0],'\0');
 407:         nwordv[1] = wordv[4];
 408:         wordc += 2;
 409:         wordv = nwordv - 1; /* 1 based */
 410:         return(C_TRUE);
 411:     }
 412:     return(C_UNKNOWN);
 413: } /* end of f77 */
 414: 
 415: char    *Make_Croak[3] = {"***", "Error", "code"};
 416: char    *Make_NotRemade[5] = {"not", "remade", "because", "of", "errors"};
 417: Errorclass make()
 418: {
 419:     if (wordvcmp(wordv+1, 3, Make_Croak) == 0){
 420:         language = INMAKE;
 421:         return(C_SYNC);
 422:     }
 423:     if  (wordvcmp(wordv+2, 5, Make_NotRemade) == 0){
 424:         language = INMAKE;
 425:         return(C_SYNC);
 426:     }
 427:     return(C_UNKNOWN);
 428: }
 429: Errorclass ri()
 430: {
 431: /*
 432:  *	Match an error message produced by ri; here is the
 433:  *	procedure yanked from the distributed version of ri
 434:  *	April 24, 1980.
 435:  *
 436:  *	serror(str, x1, x2, x3)
 437:  *		char str[];
 438:  *		char *x1, *x2, *x3;
 439:  *	{
 440:  *		extern int yylineno;
 441:  *
 442:  *		putc('"', stdout);
 443:  *		fputs(srcfile, stdout);
 444:  *		putc('"', stdout);
 445:  *		fprintf(stdout, " %d: ", yylineno);
 446:  *		fprintf(stdout, str, x1, x2, x3);
 447:  *		fprintf(stdout, "\n");
 448:  *		synerrs++;
 449:  *	}
 450:  */
 451:     if (  (firstchar(wordv[1]) == '"')
 452:         &&(lastchar(wordv[1]) == '"')
 453:         &&(lastchar(wordv[2]) == ':')
 454:         &&(isdigit(firstchar(wordv[2]))) ){
 455:         clob_last(wordv[1], '\0');  /* drop the last " */
 456:         wordv[1]++; /* skip over the first " */
 457:         clob_last(wordv[2], '\0');
 458:         language = INRI;
 459:         return(C_TRUE);
 460:     }
 461:     return(C_UNKNOWN);
 462: }
 463: 
 464: Errorclass catchall()
 465: {
 466:     /*
 467: 	 *	Catches random things.
 468: 	 */
 469:     language = INUNKNOWN;
 470:     return(C_NONSPEC);
 471: } /* end of catch all*/
 472: 
 473: Errorclass troff()
 474: {
 475:     /*
 476: 	 *	troff source error message, from eqn, bib, tbl...
 477: 	 *	Just like pcc ccom, except uses `'
 478: 	 */
 479:     if (   (firstchar(wordv[1]) == '`')
 480:         && (lastchar(wordv[1]) == ',')
 481:         && (next_lastchar(wordv[1]) == '\'')
 482:         && (strcmp(wordv[2],"line") == 0)
 483:         && (isdigit(firstchar(wordv[3])))
 484:         && (lastchar(wordv[3]) == ':') ){
 485:         clob_last(wordv[1], '\0');  /* drop last , */
 486:         clob_last(wordv[1], '\0');  /* drop last " */
 487:         wordv[1]++;         /* drop first " */
 488:         clob_last(wordv[3], '\0');  /* drop : on line number */
 489:         wordv[2] = wordv[1];    /* overwrite "line" */
 490:         wordv++;        /*compensate*/
 491:         currentfilename = wordv[1];
 492:         language = INTROFF;
 493:         return(C_TRUE);
 494:     }
 495:     return(C_UNKNOWN);
 496: }
 497: Errorclass mod2()
 498: {
 499:     /*
 500: 	 *	for decwrl modula2 compiler (powell)
 501: 	 */
 502:     if (   (  (strcmp(wordv[1], "!!!") == 0)    /* early version */
 503:             ||(strcmp(wordv[1], "File") == 0))  /* later version */
 504:         && (lastchar(wordv[2]) == ',')  /* file name */
 505:         && (strcmp(wordv[3], "line") == 0)
 506:         && (isdigit(firstchar(wordv[4])))   /* line number */
 507:         && (lastchar(wordv[4]) == ':')  /* line number */
 508:     ){
 509:         clob_last(wordv[2], '\0');  /* drop last , on file name */
 510:         clob_last(wordv[4], '\0');  /* drop last : on line number */
 511:         wordv[3] = wordv[2];        /* file name on top of "line" */
 512:         wordv += 2;
 513:         wordc -= 2;
 514:         currentfilename = wordv[1];
 515:         language = INMOD2;
 516:         return(C_TRUE);
 517:     }
 518:     return(C_UNKNOWN);
 519: }

Defined functions

Defined variables