diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/uip/fmtdump.c

   1 /* fmtdump.c - compile format file and dump out instructions */
   2 #ifndef lint
   3 static char ident[] = "@(#)$Id: fmtdump.c,v 1.10 1992/11/04 00:42:31 jromine Exp $";
   4 #endif
   5
   6 #include "../h/mh.h"
   7 #include "../h/formatsbr.h"
   8 #include "../h/fmtcompile.h"
   9 #include "../h/scansbr.h"
  10 #include <stdio.h>
  11 #ifdef LOCALE
  12 #include        <locale.h>
  13 #endif
  14
  15
  16 static struct swit switches[] = {
  17 #define FORMSW  0
  18     "form formatfile", 0,
  19 #define FMTSW   1
  20     "format string", 5,
  21
  22 #define HELPSW  2
  23     "help", 4,
  24
  25     NULL, 0
  26 };
  27
  28
  29 /* for assignlabel */
  30 static  struct format *lvec[128];
  31 static  lused = 0;
  32
  33 static  char *f_typestr(), *c_typestr();
  34 static  void  fmt_dump(), dumpone(), assignlabel(), litputs(), litputc();
  35 static  int   findlabel();
  36
  37 /* \f */
  38
  39 /* ARGSUSED */
  40
  41 main (argc, argv)
  42 int     argc;
  43 char   *argv[];
  44 {
  45     int    ncomps;
  46     char   *cp,
  47            *form = NULL,
  48            *format = NULL,
  49             buf[100],
  50           **ap,
  51           **argp,
  52            *nfs,
  53            *arguments[MAXARGS];
  54     struct format *fmt;
  55
  56 #ifdef LOCALE
  57     setlocale(LC_ALL, "");
  58 #endif
  59     invo_name = r1bindex (argv[0], '/');
  60     if ((cp = m_find (invo_name)) != NULL) {
  61         ap = brkstring (cp = getcpy (cp), " ", "\n");
  62         ap = copyip (ap, arguments);
  63     }
  64     else
  65         ap = arguments;
  66     (void) copyip (argv + 1, ap);
  67     argp = arguments;
  68
  69 /* \f */
  70
  71     while (cp = *argp++) {
  72         if (*cp == '-')
  73             switch (smatch (++cp, switches)) {
  74                 case AMBIGSW:
  75                     ambigsw (cp, switches);
  76                     done (1);
  77                 case UNKWNSW:
  78                     adios (NULLCP, "-%s unknown", cp);
  79                 case HELPSW:
  80                     (void) sprintf (buf, "%s [switches]",
  81                             invo_name);
  82                     help (buf, switches);
  83                     done (1);
  84
  85                 case FORMSW:
  86                     if (!(form = *argp++) || *form == '-')
  87                         adios (NULLCP, "missing argument to %s", argp[-2]);
  88                     format = NULL;
  89                     continue;
  90                 case FMTSW:
  91                     if (!(format = *argp++) || *format == '-')
  92                         adios (NULLCP, "missing argument to %s", argp[-2]);
  93                     form = NULL;
  94                     continue;
  95
  96             }
  97         if (form)
  98             adios (NULLCP, "only one form at a time!");
  99         else
 100             form = cp;
 101     }
 102
 103     nfs = new_fs (form, format, FORMAT);        /* must be before chdir() */
 104     ncomps = fmt_compile(nfs, &fmt);
 105
 106     fmt_dump(fmt);
 107     done(0);
 108 }
 109
 110 static void
 111 fmt_dump (fmth)
 112 register struct format *fmth;
 113 {
 114         int i;
 115         register struct format *fmt, *addr;
 116
 117         /* Assign labels */
 118         for (fmt = fmth; fmt; ++fmt) {
 119                 i = fmt->f_type;
 120                 if (i == FT_IF_S ||
 121                     i == FT_IF_S_NULL ||
 122                     i == FT_IF_V_EQ ||
 123                     i == FT_IF_V_NE ||
 124                     i == FT_IF_V_GT ||
 125                     i == FT_IF_MATCH ||
 126                     i == FT_IF_AMATCH ||
 127                     i == FT_GOTO) {
 128                         addr = fmt + fmt->f_skip;
 129                         if (findlabel(addr) < 0)
 130                                 assignlabel(addr);
 131                 }
 132                 if (fmt->f_type == FT_DONE && fmt->f_value == 0)
 133                         break;
 134         }
 135
 136         /* Dump them out! */
 137         for (fmt = fmth; fmt; ++fmt) {
 138                 dumpone(fmt);
 139                 if (fmt->f_type == FT_DONE && fmt->f_value == 0)
 140                         break;
 141         }
 142 }
 143
 144 static void
 145 dumpone(fmt)
 146         register struct format *fmt;
 147 {
 148         register int i;
 149
 150         if ((i = findlabel(fmt)) >= 0)
 151                 printf("L%d:", i);
 152         putchar('\t');
 153
 154         fputs(f_typestr((int)fmt->f_type), stdout);
 155
 156         switch (fmt->f_type) {
 157
 158         case FT_COMP:
 159         case FT_LS_COMP:
 160         case FT_LV_COMPFLAG:
 161         case FT_LV_COMP:
 162                 printf(", comp ");
 163                 litputs(fmt->f_comp->c_name);
 164                 if (fmt->f_comp->c_type)
 165                         printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
 166                 if (fmt->f_comp->c_flags)
 167                         printf(", c_flags %d", fmt->f_comp->c_flags);
 168                 break;
 169
 170         case FT_LV_SEC:
 171         case FT_LV_MIN:
 172         case FT_LV_HOUR:
 173         case FT_LV_MDAY:
 174         case FT_LV_MON:
 175         case FT_LS_MONTH:
 176         case FT_LS_LMONTH:
 177         case FT_LS_ZONE:
 178         case FT_LV_YEAR:
 179         case FT_LV_WDAY:
 180         case FT_LS_DAY:
 181         case FT_LS_WEEKDAY:
 182         case FT_LV_YDAY:
 183         case FT_LV_ZONE:
 184         case FT_LV_CLOCK:
 185         case FT_LV_RCLOCK:
 186         case FT_LV_DAYF:
 187         case FT_LV_ZONEF:
 188         case FT_LV_DST:
 189         case FT_LS_822DATE:
 190         case FT_LS_PRETTY:
 191         case FT_LOCALDATE:
 192         case FT_GMTDATE:
 193         case FT_PARSEDATE:
 194                 printf(", c_name ");
 195                 litputs(fmt->f_comp->c_name);
 196                 if (fmt->f_comp->c_type)
 197                         printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
 198                 if (fmt->f_comp->c_flags)
 199                         printf(", c_flags %d", fmt->f_comp->c_flags);
 200                 break;
 201
 202         case FT_LS_ADDR:
 203         case FT_LS_PERS:
 204         case FT_LS_MBOX:
 205         case FT_LS_HOST:
 206         case FT_LS_PATH:
 207         case FT_LS_GNAME:
 208         case FT_LS_NOTE:
 209         case FT_LS_822ADDR:
 210         case FT_LV_HOSTTYPE:
 211         case FT_LV_INGRPF:
 212         case FT_LV_NOHOSTF:
 213         case FT_LS_FRIENDLY:
 214         case FT_PARSEADDR:
 215         case FT_MYMBOX:
 216                 printf(", c_name ");
 217                 litputs(fmt->f_comp->c_name);
 218                 if (fmt->f_comp->c_type)
 219                         printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
 220                 if (fmt->f_comp->c_flags)
 221                         printf(", c_flags %d", fmt->f_comp->c_flags);
 222                 break;
 223
 224         case FT_COMPF:
 225                 printf(", width %d, fill '", fmt->f_width);
 226                 litputc(fmt->f_fill);
 227                 printf("' name ");
 228                 litputs(fmt->f_comp->c_name);
 229                 if (fmt->f_comp->c_type)
 230                         printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
 231                 if (fmt->f_comp->c_flags)
 232                         printf(", c_flags %d", fmt->f_comp->c_flags);
 233                 break;
 234
 235         case FT_STRF:
 236         case FT_NUMF:
 237                 printf(", width %d, fill '", fmt->f_width);
 238                 litputc(fmt->f_fill);
 239                 putchar('\'');
 240                 break;
 241
 242         case FT_LIT:
 243 #ifdef FT_LIT_FORCE
 244         case FT_LIT_FORCE:
 245 #endif
 246                 putchar(' ');
 247                 litputs(fmt->f_text);
 248                 break;
 249
 250         case FT_LITF:
 251                 printf(", width %d, fill '", fmt->f_width);
 252                 litputc(fmt->f_fill);
 253                 printf("' ");
 254                 litputs(fmt->f_text);
 255                 break;
 256
 257         case FT_CHAR:
 258                 putchar(' ');
 259                 putchar('\'');
 260                 litputc(fmt->f_char);
 261                 putchar('\'');
 262                 break;
 263
 264
 265         case FT_IF_S:
 266         case FT_IF_S_NULL:
 267         case FT_IF_MATCH:
 268         case FT_IF_AMATCH:
 269                 printf(" continue else goto");
 270         case FT_GOTO:
 271                 i = findlabel(fmt + fmt->f_skip);
 272                 printf(" L%d", i);
 273                 break;
 274
 275         case FT_IF_V_EQ:
 276         case FT_IF_V_NE:
 277         case FT_IF_V_GT:
 278                 i = findlabel(fmt + fmt->f_skip);
 279                 printf(" %d continue else goto L%d", fmt->f_value, i);
 280                 break;
 281
 282         case FT_V_EQ:
 283         case FT_V_NE:
 284         case FT_V_GT:
 285         case FT_LV_LIT:
 286         case FT_LV_PLUS_L:
 287         case FT_LV_MINUS_L:
 288         case FT_LV_DIVIDE_L:
 289         case FT_LV_MODULO_L:
 290                 printf(" value %d", fmt->f_value);
 291                 break;
 292
 293         case FT_LS_LIT:
 294                 printf(" str ");
 295                 litputs(fmt->f_text);
 296                 break;
 297
 298         case FT_LS_GETENV:
 299                 printf(" getenv ");
 300                 litputs(fmt->f_text);
 301                 break;
 302
 303         case FT_LS_TRIM:
 304                 printf(", width %d", fmt->f_width);
 305                 break;
 306
 307         case FT_LV_DAT:
 308                 printf(", value dat[%d]", fmt->f_value);
 309                 break;
 310         }
 311         putchar('\n');
 312 }
 313
 314 static int
 315 findlabel(addr)
 316         register struct format *addr;
 317 {
 318         register int i;
 319
 320         for (i = 0; i < lused; ++i)
 321                 if (addr == lvec[i])
 322                         return(i);
 323         return(-1);
 324 }
 325
 326 static void
 327 assignlabel(addr)
 328         register struct format *addr;
 329 {
 330         lvec[lused++] = addr;
 331 }
 332
 333 static char *
 334 f_typestr(t)
 335         int t;
 336 {
 337         static char buf[32];
 338
 339         switch (t) {
 340         case FT_COMP: return("COMP");
 341         case FT_COMPF: return("COMPF");
 342         case FT_LIT: return("LIT");
 343         case FT_LITF: return("LITF");
 344 #ifdef  FT_LIT_FORCE
 345         case FT_LIT_FORCE: return("LIT_FORCE");
 346 #endif
 347         case FT_CHAR: return("CHAR");
 348         case FT_NUM: return("NUM");
 349         case FT_NUMF: return("NUMF");
 350         case FT_STR: return("STR");
 351         case FT_STRF: return("STRF");
 352         case FT_STRFW: return("STRFW");
 353         case FT_PUTADDR: return("PUTADDR");
 354         case FT_LS_COMP: return("LS_COMP");
 355         case FT_LS_LIT: return("LS_LIT");
 356         case FT_LS_GETENV: return("LS_GETENV");
 357         case FT_LS_TRIM: return("LS_TRIM");
 358         case FT_LV_COMP: return("LV_COMP");
 359         case FT_LV_COMPFLAG: return("LV_COMPFLAG");
 360         case FT_LV_LIT: return("LV_LIT");
 361         case FT_LV_DAT: return("LV_DAT");
 362         case FT_LV_STRLEN: return("LV_STRLEN");
 363         case FT_LV_PLUS_L: return("LV_PLUS_L");
 364         case FT_LV_MINUS_L: return("LV_MINUS_L");
 365         case FT_LV_DIVIDE_L: return("LV_DIVIDE_L");
 366         case FT_LV_MODULO_L: return("LV_MODULO_L");
 367         case FT_LV_CHAR_LEFT: return("LV_CHAR_LEFT");
 368         case FT_LS_MONTH: return("LS_MONTH");
 369         case FT_LS_LMONTH: return("LS_LMONTH");
 370         case FT_LS_ZONE: return("LS_ZONE");
 371         case FT_LS_DAY: return("LS_DAY");
 372         case FT_LS_WEEKDAY: return("LS_WEEKDAY");
 373         case FT_LS_822DATE: return("LS_822DATE");
 374         case FT_LS_PRETTY: return("LS_PRETTY");
 375         case FT_LV_SEC: return("LV_SEC");
 376         case FT_LV_MIN: return("LV_MIN");
 377         case FT_LV_HOUR: return("LV_HOUR");
 378         case FT_LV_MDAY: return("LV_MDAY");
 379         case FT_LV_MON: return("LV_MON");
 380         case FT_LV_YEAR: return("LV_YEAR");
 381         case FT_LV_YDAY: return("LV_YDAY");
 382         case FT_LV_WDAY: return("LV_WDAY");
 383         case FT_LV_ZONE: return("LV_ZONE");
 384         case FT_LV_CLOCK: return("LV_CLOCK");
 385         case FT_LV_RCLOCK: return("LV_RCLOCK");
 386         case FT_LV_DAYF: return("LV_DAYF");
 387         case FT_LV_DST: return("LV_DST");
 388         case FT_LV_ZONEF: return("LV_ZONEF");
 389         case FT_LS_ADDR: return("LS_ADDR");
 390         case FT_LS_PERS: return("LS_PERS");
 391         case FT_LS_MBOX: return("LS_MBOX");
 392         case FT_LS_HOST: return("LS_HOST");
 393         case FT_LS_PATH: return("LS_PATH");
 394         case FT_LS_GNAME: return("LS_GNAME");
 395         case FT_LS_NOTE: return("LS_NOTE");
 396         case FT_LS_822ADDR: return("LS_822ADDR");
 397         case FT_LS_FRIENDLY: return("LS_FRIENDLY");
 398         case FT_LV_HOSTTYPE: return("LV_HOSTTYPE");
 399         case FT_LV_INGRPF: return("LV_INGRPF");
 400         case FT_LV_NOHOSTF: return("LV_NOHOSTF");
 401         case FT_LOCALDATE: return("LOCALDATE");
 402         case FT_GMTDATE: return("GMTDATE");
 403         case FT_PARSEDATE: return("PARSEDATE");
 404         case FT_PARSEADDR: return("PARSEADDR");
 405         case FT_FORMATADDR: return("FORMATADDR");
 406         case FT_MYMBOX: return("MYMBOX");
 407 #ifdef  FT_ADDTOSEQ
 408         case FT_ADDTOSEQ: return("ADDTOSEQ");
 409 #endif
 410         case FT_SAVESTR: return("SAVESTR");
 411 #ifdef  FT_PAUSE
 412         case FT_PAUSE: return ("PAUSE");
 413 #endif
 414         case FT_DONE: return("DONE");
 415         case FT_NOP: return("NOP");
 416         case FT_GOTO: return("GOTO");
 417         case FT_IF_S_NULL: return("IF_S_NULL");
 418         case FT_IF_S: return("IF_S");
 419         case FT_IF_V_EQ: return("IF_V_EQ");
 420         case FT_IF_V_NE: return("IF_V_NE");
 421         case FT_IF_V_GT: return("IF_V_GT");
 422         case FT_IF_MATCH: return("IF_MATCH");
 423         case FT_IF_AMATCH: return("IF_AMATCH");
 424         case FT_S_NULL: return("S_NULL");
 425         case FT_S_NONNULL: return("S_NONNULL");
 426         case FT_V_EQ: return("V_EQ");
 427         case FT_V_NE: return("V_NE");
 428         case FT_V_GT: return("V_GT");
 429         case FT_V_MATCH: return("V_MATCH");
 430         case FT_V_AMATCH: return("V_AMATCH");
 431         default:
 432                 (void)sprintf(buf, "/* ??? #%d */", t);
 433                 return(buf);
 434         }
 435 }
 436
 437 #define FNORD(v, s) if (t & (v)) { \
 438         if (i++ > 0) \
 439                 strcat(buf, "|"); \
 440         strcat(buf, s); }
 441
 442 static char *
 443 c_typestr(t)
 444         int t;
 445 {
 446         register int i;
 447         static char buf[64];
 448
 449         buf[0] = '\0';
 450         if (t & ~(CT_ADDR|CT_DATE|CT_MYMBOX|CT_ADDRPARSE))
 451                 (void)sprintf(buf, "0x%x ", t);
 452         strcat(buf, "<");
 453         i = 0;
 454         FNORD(CT_ADDR, "ADDR");
 455         FNORD(CT_DATE, "DATE");
 456         FNORD(CT_MYMBOX, "MYMBOX");
 457         FNORD(CT_ADDRPARSE, "ADDRPARSE");
 458         strcat(buf, ">");
 459         return(buf);
 460 #undef FNORD
 461 }
 462
 463 static void
 464 litputs(s)
 465         register char *s;
 466 {
 467         if (s) {
 468                 putc('"', stdout);
 469                 while (*s)
 470                         litputc(*s++);
 471                 putc('"', stdout);
 472         } else
 473                 fputs("<nil>", stdout);
 474 }
 475
 476 static void
 477 litputc(c)
 478         char c;
 479 {
 480         if (c & ~ 0177) {
 481                 putc('M', stdout);
 482                 putc('-', stdout);
 483                 c &= 0177;
 484         }
 485         if (c < 0x20 || c == 0177) {
 486                 if (c == '\b') {
 487                         putc('\\', stdout);
 488                         putc('b', stdout);
 489                 } else if (c == '\f') {
 490                         putc('\\', stdout);
 491                         putc('f', stdout);
 492                 } else if (c == '\n') {
 493                         putc('\\', stdout);
 494                         putc('n', stdout);
 495                 } else if (c == '\r') {
 496                         putc('\\', stdout);
 497                         putc('r', stdout);
 498                 } else if (c == '\t') {
 499                         putc('\\', stdout);
 500                         putc('t', stdout);
 501                 } else {
 502                         putc('^', stdout);
 503                         putc(c ^ 0x40, stdout); /* DEL to ?, others to alpha */
 504                 }
 505         } else
 506                 putc(c, stdout);
 507 }