| 1 | static char *sccsid = "@(#)main.c 4.2 (Berkeley) 82/04/20"; |
| 2 | # include "defs" |
| 3 | /* |
| 4 | command make to update programs. |
| 5 | Flags: 'd' print out debugging comments |
| 6 | 'p' print out a version of the input graph |
| 7 | 's' silent mode--don't print out commands |
| 8 | 'f' the next argument is the name of the description file; |
| 9 | "makefile" is the default |
| 10 | 'i' ignore error codes from the shell |
| 11 | 'S' stop after any command fails (normally do parallel work) |
| 12 | 'n' don't issue, just print, commands |
| 13 | 't' touch (update time of) files but don't issue command |
| 14 | 'q' don't do anything, but check if object is up to date; |
| 15 | returns exit code 0 if up to date, -1 if not |
| 16 | */ |
| 17 | |
| 18 | struct nameblock *mainname = NULL; |
| 19 | struct nameblock *firstname = NULL; |
| 20 | struct lineblock *sufflist = NULL; |
| 21 | struct varblock *firstvar = NULL; |
| 22 | struct pattern *firstpat = NULL; |
| 23 | struct dirhdr *firstod = NULL; |
| 24 | |
| 25 | #include <signal.h> |
| 26 | int sigivalue = 0; |
| 27 | int sigqvalue = 0; |
| 28 | int waitpid = 0; |
| 29 | |
| 30 | int dbgflag = NO; |
| 31 | int prtrflag = NO; |
| 32 | int silflag = NO; |
| 33 | int noexflag = NO; |
| 34 | int keepgoing = NO; |
| 35 | int noruleflag = NO; |
| 36 | int touchflag = NO; |
| 37 | int questflag = NO; |
| 38 | int ndocoms = NO; |
| 39 | int ignerr = NO; /* default is to stop on error */ |
| 40 | int okdel = YES; |
| 41 | int inarglist; |
| 42 | #ifdef pwb |
| 43 | char *prompt = ">"; /* other systems -- pick what you want */ |
| 44 | #else |
| 45 | char *prompt = ""; /* other systems -- pick what you want */ |
| 46 | #endif |
| 47 | int nopdir = 0; |
| 48 | char junkname[20]; |
| 49 | char funny[128]; |
| 50 | |
| 51 | main(argc,argv) |
| 52 | int argc; |
| 53 | char *argv[]; |
| 54 | { |
| 55 | register struct nameblock *p; |
| 56 | int i, j; |
| 57 | int descset, nfargs; |
| 58 | TIMETYPE tjunk; |
| 59 | char c, *s; |
| 60 | static char onechar[2] = "X"; |
| 61 | #ifdef unix |
| 62 | int intrupt(); |
| 63 | |
| 64 | |
| 65 | |
| 66 | #endif |
| 67 | |
| 68 | #ifdef METERFILE |
| 69 | meter(METERFILE); |
| 70 | #endif |
| 71 | |
| 72 | descset = 0; |
| 73 | |
| 74 | funny['\0'] = (META | TERMINAL); |
| 75 | for(s = "=|^();&<>*?[]:$`'\"\\\n" ; *s ; ++s) |
| 76 | funny[*s] |= META; |
| 77 | for(s = "\n\t :;&>|" ; *s ; ++s) |
| 78 | funny[*s] |= TERMINAL; |
| 79 | |
| 80 | |
| 81 | inarglist = 1; |
| 82 | for(i=1; i<argc; ++i) |
| 83 | if(argv[i]!=0 && argv[i][0]!='-' && eqsign(argv[i])) |
| 84 | argv[i] = 0; |
| 85 | |
| 86 | setvar("$","$"); |
| 87 | inarglist = 0; |
| 88 | |
| 89 | for(i=1; i<argc; ++i) |
| 90 | if(argv[i]!=0 && argv[i][0]=='-') |
| 91 | { |
| 92 | for(j=1 ; (c=argv[i][j])!='\0' ; ++j) switch(c) |
| 93 | { |
| 94 | case 'd': |
| 95 | dbgflag = YES; |
| 96 | break; |
| 97 | |
| 98 | case 'p': |
| 99 | prtrflag = YES; |
| 100 | break; |
| 101 | |
| 102 | case 's': |
| 103 | silflag = YES; |
| 104 | break; |
| 105 | |
| 106 | case 'i': |
| 107 | ignerr = YES; |
| 108 | break; |
| 109 | |
| 110 | case 'S': |
| 111 | keepgoing = NO; |
| 112 | break; |
| 113 | |
| 114 | case 'k': |
| 115 | keepgoing = YES; |
| 116 | break; |
| 117 | |
| 118 | case 'n': |
| 119 | noexflag = YES; |
| 120 | break; |
| 121 | |
| 122 | case 'r': |
| 123 | noruleflag = YES; |
| 124 | break; |
| 125 | |
| 126 | case 't': |
| 127 | touchflag = YES; |
| 128 | break; |
| 129 | |
| 130 | case 'q': |
| 131 | questflag = YES; |
| 132 | break; |
| 133 | |
| 134 | case 'f': |
| 135 | if(i >= argc-1) |
| 136 | fatal("No description argument after -f flag"); |
| 137 | if( rddescf(argv[i+1]) ) |
| 138 | fatal1("Cannot open %s", argv[i+1]); |
| 139 | argv[i+1] = 0; |
| 140 | ++descset; |
| 141 | break; |
| 142 | |
| 143 | default: |
| 144 | onechar[0] = c; /* to make lint happy */ |
| 145 | fatal1("Unknown flag argument %s", onechar); |
| 146 | } |
| 147 | |
| 148 | argv[i] = 0; |
| 149 | } |
| 150 | |
| 151 | if( !descset ) |
| 152 | #ifdef unix |
| 153 | if( rddescf("makefile") ) rddescf("Makefile"); |
| 154 | #endif |
| 155 | #ifdef gcos |
| 156 | rddescf("makefile"); |
| 157 | #endif |
| 158 | |
| 159 | if(prtrflag) printdesc(NO); |
| 160 | |
| 161 | if( srchname(".IGNORE") ) ++ignerr; |
| 162 | if( srchname(".SILENT") ) silflag = 1; |
| 163 | if(p=srchname(".SUFFIXES")) sufflist = p->linep; |
| 164 | if( !sufflist ) fprintf(stderr,"No suffix list.\n"); |
| 165 | |
| 166 | #ifdef unix |
| 167 | sigivalue = (int) signal(SIGINT, SIG_IGN) & 01; |
| 168 | sigqvalue = (int) signal(SIGQUIT, SIG_IGN) & 01; |
| 169 | enbint(intrupt); |
| 170 | #endif |
| 171 | |
| 172 | nfargs = 0; |
| 173 | |
| 174 | for(i=1; i<argc; ++i) |
| 175 | if((s=argv[i]) != 0) |
| 176 | { |
| 177 | if((p=srchname(s)) == 0) |
| 178 | { |
| 179 | p = makename(s); |
| 180 | } |
| 181 | ++nfargs; |
| 182 | doname(p, 0, &tjunk); |
| 183 | if(dbgflag) printdesc(YES); |
| 184 | } |
| 185 | |
| 186 | /* |
| 187 | If no file arguments have been encountered, make the first |
| 188 | name encountered that doesn't start with a dot |
| 189 | */ |
| 190 | |
| 191 | if(nfargs == 0) |
| 192 | if(mainname == 0) |
| 193 | fatal("No arguments or description file"); |
| 194 | else { |
| 195 | doname(mainname, 0, &tjunk); |
| 196 | if(dbgflag) printdesc(YES); |
| 197 | } |
| 198 | |
| 199 | exit(0); |
| 200 | } |
| 201 | |
| 202 | |
| 203 | |
| 204 | #ifdef unix |
| 205 | intrupt() |
| 206 | { |
| 207 | struct varblock *varptr(); |
| 208 | char *p; |
| 209 | TIMETYPE exists(); |
| 210 | |
| 211 | if(okdel && !noexflag && !touchflag && |
| 212 | (p = varptr("@")->varval) && exists(p)>0 && !isprecious(p) ) |
| 213 | { |
| 214 | fprintf(stderr, "\n*** %s removed.", p); |
| 215 | unlink(p); |
| 216 | } |
| 217 | |
| 218 | if(junkname[0]) |
| 219 | unlink(junkname); |
| 220 | fprintf(stderr, "\n"); |
| 221 | exit(2); |
| 222 | } |
| 223 | |
| 224 | |
| 225 | |
| 226 | |
| 227 | isprecious(p) |
| 228 | char *p; |
| 229 | { |
| 230 | register struct lineblock *lp; |
| 231 | register struct depblock *dp; |
| 232 | register struct nameblock *np; |
| 233 | |
| 234 | if(np = srchname(".PRECIOUS")) |
| 235 | for(lp = np->linep ; lp ; lp = lp->nxtlineblock) |
| 236 | for(dp = lp->depp ; dp ; dp = dp->nxtdepblock) |
| 237 | if(! unequal(p, dp->depname->namep)) |
| 238 | return(YES); |
| 239 | |
| 240 | return(NO); |
| 241 | } |
| 242 | |
| 243 | |
| 244 | enbint(k) |
| 245 | int (*k)(); |
| 246 | { |
| 247 | if(sigivalue == 0) |
| 248 | signal(SIGINT,k); |
| 249 | if(sigqvalue == 0) |
| 250 | signal(SIGQUIT,k); |
| 251 | } |
| 252 | #endif |
| 253 | \f |
| 254 | extern char *builtin[]; |
| 255 | |
| 256 | char **linesptr = builtin; |
| 257 | |
| 258 | FILE * fin; |
| 259 | int firstrd = 0; |
| 260 | |
| 261 | |
| 262 | rddescf(descfile) |
| 263 | char *descfile; |
| 264 | { |
| 265 | FILE * k; |
| 266 | |
| 267 | /* read and parse description */ |
| 268 | |
| 269 | if( !firstrd++ ) |
| 270 | { |
| 271 | if( !noruleflag ) |
| 272 | rdd1( (FILE *) NULL); |
| 273 | |
| 274 | #ifdef pwb |
| 275 | { |
| 276 | char *nlog, s[100]; |
| 277 | nlog = logdir(); |
| 278 | if ( (k=fopen( concat(nlog,"/makecomm",s), "r")) != NULL) |
| 279 | rdd1(k); |
| 280 | else if ( (k=fopen( concat(nlog,"/Makecomm",s), "r")) != NULL) |
| 281 | rdd1(k); |
| 282 | |
| 283 | if ( (k=fopen("makecomm", "r")) != NULL) |
| 284 | rdd1(k); |
| 285 | else if ( (k=fopen("Makecomm", "r")) != NULL) |
| 286 | rdd1(k); |
| 287 | } |
| 288 | #endif |
| 289 | |
| 290 | } |
| 291 | if(! unequal(descfile, "-")) |
| 292 | return( rdd1(stdin) ); |
| 293 | |
| 294 | if( (k = fopen(descfile,"r")) != NULL) |
| 295 | return( rdd1(k) ); |
| 296 | |
| 297 | return(1); |
| 298 | } |
| 299 | |
| 300 | |
| 301 | |
| 302 | |
| 303 | rdd1(k) |
| 304 | FILE * k; |
| 305 | { |
| 306 | extern int yylineno; |
| 307 | extern char *zznextc; |
| 308 | |
| 309 | fin = k; |
| 310 | yylineno = 0; |
| 311 | zznextc = 0; |
| 312 | |
| 313 | if( yyparse() ) |
| 314 | fatal("Description file error"); |
| 315 | |
| 316 | if(fin != NULL) |
| 317 | fclose(fin); |
| 318 | |
| 319 | return(0); |
| 320 | } |
| 321 | \f |
| 322 | printdesc(prntflag) |
| 323 | int prntflag; |
| 324 | { |
| 325 | struct nameblock *p; |
| 326 | struct depblock *dp; |
| 327 | struct varblock *vp; |
| 328 | struct dirhdr *od; |
| 329 | struct shblock *sp; |
| 330 | struct lineblock *lp; |
| 331 | |
| 332 | #ifdef unix |
| 333 | if(prntflag) |
| 334 | { |
| 335 | printf("Open directories:\n"); |
| 336 | for (od = firstod; od; od = od->nxtopendir) |
| 337 | printf("\t%d: %s\n", od->dirfc->dd_fd, od->dirn); |
| 338 | } |
| 339 | #endif |
| 340 | |
| 341 | if(firstvar != 0) printf("Macros:\n"); |
| 342 | for(vp = firstvar; vp ; vp = vp->nxtvarblock) |
| 343 | printf("\t%s = %s\n" , vp->varname , vp->varval); |
| 344 | |
| 345 | for(p = firstname; p; p = p->nxtnameblock) |
| 346 | { |
| 347 | printf("\n\n%s",p->namep); |
| 348 | if(p->linep != 0) printf(":"); |
| 349 | if(prntflag) printf(" done=%d",p->done); |
| 350 | if(p==mainname) printf(" (MAIN NAME)"); |
| 351 | for(lp = p->linep ; lp ; lp = lp->nxtlineblock) |
| 352 | { |
| 353 | if( dp = lp->depp ) |
| 354 | { |
| 355 | printf("\n depends on:"); |
| 356 | for(; dp ; dp = dp->nxtdepblock) |
| 357 | if(dp->depname != 0) |
| 358 | printf(" %s ", dp->depname->namep); |
| 359 | } |
| 360 | |
| 361 | if(sp = lp->shp) |
| 362 | { |
| 363 | printf("\n commands:\n"); |
| 364 | for( ; sp!=0 ; sp = sp->nxtshblock) |
| 365 | printf("\t%s\n", sp->shbp); |
| 366 | } |
| 367 | } |
| 368 | } |
| 369 | printf("\n"); |
| 370 | fflush(stdout); |
| 371 | } |