1 /* $NetBSD: main.c,v 1.3 1995/09/02 06:15:37 jtc 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 #ifndef lint 37 static char copyright[] = 38 "@(#) Copyright (c) 1980, 1993\n\ 39 The Regents of the University of California. All rights reserved.\n"; 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93"; 45 #endif 46 static char rcsid[] = "$NetBSD: main.c,v 1.3 1995/09/02 06:15:37 jtc Exp $"; 47 #endif /* not lint */ 48 49 #include <signal.h> 50 #include <unistd.h> 51 #include <stdio.h> 52 #include <ctype.h> 53 #include <stdlib.h> 54 #include <string.h> 55 #include "error.h" 56 #include "pathnames.h" 57 58 int nerrors = 0; 59 Eptr er_head; 60 Eptr *errors; 61 62 int nfiles = 0; 63 Eptr **files; /* array of pointers into errors*/ 64 int language = INCC; 65 66 char *currentfilename = "????"; 67 char *processname; 68 char im_on[] = _PATH_TTY; /* my tty name */ 69 70 boolean query = FALSE; /* query the operator if touch files */ 71 boolean notouch = FALSE; /* don't touch ANY files */ 72 boolean piflag = FALSE; /* this is not pi */ 73 boolean terse = FALSE; /* Terse output */ 74 75 char *suffixlist = ".*"; /* initially, can touch any file */ 76 77 int errorsort(); 78 void onintr(); 79 /* 80 * error [-I ignorename] [-n] [-q] [-t suffixlist] [-s] [-v] [infile] 81 * 82 * -T: terse output 83 * 84 * -I: the following name, `ignorename' contains a list of 85 * function names that are not to be treated as hard errors. 86 * Default: ~/.errorsrc 87 * 88 * -n: don't touch ANY files! 89 * 90 * -q: The user is to be queried before touching each 91 * file; if not specified, all files with hard, non 92 * ignorable errors are touched (assuming they can be). 93 * 94 * -t: touch only files ending with the list of suffices, each 95 * suffix preceded by a dot. 96 * eg, -t .c.y.l 97 * will touch only files ending with .c, .y or .l 98 * 99 * -s: print a summary of the error's categories. 100 * 101 * -v: after touching all files, overlay vi(1), ex(1) or ed(1) 102 * on top of error, entered in the first file with 103 * an error in it, with the appropriate editor 104 * set up to use the "next" command to get the other 105 * files containing errors. 106 * 107 * -p: (obsolete: for older versions of pi without bug 108 * fix regarding printing out the name of the main file 109 * with an error in it) 110 * Take the following argument and use it as the name of 111 * the pascal source file, suffix .p 112 * 113 * -E: show the errors in sorted order; intended for 114 * debugging. 115 * 116 * -S: show the errors in unsorted order 117 * (as they come from the error file) 118 * 119 * infile: The error messages come from this file. 120 * Default: stdin 121 */ 122 main(argc, argv) 123 int argc; 124 char *argv[]; 125 { 126 char *cp; 127 char *ignorename = 0; 128 int ed_argc; 129 char **ed_argv; /*return from touchfiles*/ 130 boolean show_errors = FALSE; 131 boolean Show_Errors = FALSE; 132 boolean pr_summary = FALSE; 133 boolean edit_files = FALSE; 134 135 processname = argv[0]; 136 137 errorfile = stdin; 138 if (argc > 1) for(; (argc > 1) && (argv[1][0] == '-'); argc--, argv++){ 139 for (cp = argv[1] + 1; *cp; cp++) switch(*cp){ 140 default: 141 fprintf(stderr, "%s: -%c: Unknown flag\n", 142 processname, *cp); 143 break; 144 145 case 'n': notouch = TRUE; break; 146 case 'q': query = TRUE; break; 147 case 'S': Show_Errors = TRUE; break; 148 case 's': pr_summary = TRUE; break; 149 case 'v': edit_files = TRUE; break; 150 case 'T': terse = TRUE; break; 151 case 't': 152 *cp-- = 0; argv++; argc--; 153 if (argc > 1){ 154 suffixlist = argv[1]; 155 } 156 break; 157 case 'I': /*ignore file name*/ 158 *cp-- = 0; argv++; argc--; 159 if (argc > 1) 160 ignorename = argv[1]; 161 break; 162 } 163 } 164 if (notouch) 165 suffixlist = 0; 166 if (argc > 1){ 167 if (argc > 3){ 168 fprintf(stderr, "%s: Only takes 0 or 1 arguments\n", 169 processname); 170 exit(3); 171 } 172 if ( (errorfile = fopen(argv[1], "r")) == NULL){ 173 fprintf(stderr, "%s: %s: No such file or directory for reading errors.\n", 174 processname, argv[1]); 175 exit(4); 176 } 177 } 178 if ( (queryfile = fopen(im_on, "r")) == NULL){ 179 if (query){ 180 fprintf(stderr, 181 "%s: Can't open \"%s\" to query the user.\n", 182 processname, im_on); 183 exit(9); 184 } 185 } 186 if (signal(SIGINT, onintr) == SIG_IGN) 187 signal(SIGINT, SIG_IGN); 188 if (signal(SIGTERM, onintr) == SIG_IGN) 189 signal(SIGTERM, SIG_IGN); 190 getignored(ignorename); 191 eaterrors(&nerrors, &errors); 192 if (Show_Errors) 193 printerrors(TRUE, nerrors, errors); 194 qsort(errors, nerrors, sizeof(Eptr), errorsort); 195 if (show_errors) 196 printerrors(FALSE, nerrors, errors); 197 findfiles(nerrors, errors, &nfiles, &files); 198 #define P(msg, arg) fprintf(stdout, msg, arg) 199 if (pr_summary){ 200 if (nunknown) 201 P("%d Errors are unclassifiable.\n", nunknown); 202 if (nignore) 203 P("%d Errors are classifiable, but totally discarded.\n",nignore); 204 if (nsyncerrors) 205 P("%d Errors are synchronization errors.\n", nsyncerrors); 206 if (nignore) 207 P("%d Errors are discarded because they refer to sacrosinct files.\n", ndiscard); 208 if (nnulled) 209 P("%d Errors are nulled because they refer to specific functions.\n", nnulled); 210 if (nnonspec) 211 P("%d Errors are not specific to any file.\n", nnonspec); 212 if (nthisfile) 213 P("%d Errors are specific to a given file, but not to a line.\n", nthisfile); 214 if (ntrue) 215 P("%d Errors are true errors, and can be inserted into the files.\n", ntrue); 216 } 217 filenames(nfiles, files); 218 fflush(stdout); 219 if (touchfiles(nfiles, files, &ed_argc, &ed_argv) && edit_files) 220 forkvi(ed_argc, ed_argv); 221 } 222 223 forkvi(argc, argv) 224 int argc; 225 char **argv; 226 { 227 if (query){ 228 switch(inquire(terse 229 ? "Edit? " 230 : "Do you still want to edit the files you touched? ")){ 231 case Q_NO: 232 case Q_no: 233 return; 234 default: 235 break; 236 } 237 } 238 /* 239 * ed_agument's first argument is 240 * a vi/ex compatabile search argument 241 * to find the first occurance of ### 242 */ 243 try("vi", argc, argv); 244 try("ex", argc, argv); 245 try("ed", argc-1, argv+1); 246 fprintf(stdout, "Can't find any editors.\n"); 247 } 248 249 try(name, argc, argv) 250 char *name; 251 int argc; 252 char **argv; 253 { 254 argv[0] = name; 255 wordvprint(stdout, argc, argv); 256 fprintf(stdout, "\n"); 257 fflush(stderr); 258 fflush(stdout); 259 sleep(2); 260 if (freopen(im_on, "r", stdin) == NULL) 261 return; 262 if (freopen(im_on, "w", stdout) == NULL) 263 return; 264 execvp(name, argv); 265 } 266 267 int errorsort(epp1, epp2) 268 Eptr *epp1, *epp2; 269 { 270 reg Eptr ep1, ep2; 271 int order; 272 /* 273 * Sort by: 274 * 1) synchronization, non specific, discarded errors first; 275 * 2) nulled and true errors last 276 * a) grouped by similar file names 277 * 1) grouped in ascending line number 278 */ 279 ep1 = *epp1; ep2 = *epp2; 280 if (ep1 == 0 || ep2 == 0) 281 return(0); 282 if ( (NOTSORTABLE(ep1->error_e_class)) ^ (NOTSORTABLE(ep2->error_e_class))){ 283 return(NOTSORTABLE(ep1->error_e_class) ? -1 : 1); 284 } 285 if (NOTSORTABLE(ep1->error_e_class)) /* then both are */ 286 return(ep1->error_no - ep2->error_no); 287 order = strcmp(ep1->error_text[0], ep2->error_text[0]); 288 if (order == 0){ 289 return(ep1->error_line - ep2->error_line); 290 } 291 return(order); 292 } 293