main.c

   1 /*
   2  * Copyright (C) 2012, 2013
   3  *     Dale Weiler
   4  *     Wolfgang Bumiller
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy of
   7  * this software and associated documentation files (the "Software"), to deal in
   8  * the Software without restriction, including without limitation the rights to
   9  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  10  * of the Software, and to permit persons to whom the Software is furnished to do
  11  * so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in all
  14  * copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  */
  24 #include "gmqcc.h"
  25 #include "lexer.h"
  26 #include <time.h>
  27
  28 /* TODO: cleanup this whole file .. it's a fuckign mess */
  29
  30 /* set by the standard */
  31 const oper_info *operators      = NULL;
  32 size_t           operator_count = 0;
  33 static bool      opts_output_wasset = false;
  34
  35 typedef struct { char *filename; int   type;  } argitem;
  36 typedef struct { char *name;     char *value; } ppitem;
  37 static argitem *items = NULL;
  38 static ppitem  *ppems = NULL;
  39
  40 #define TYPE_QC  0
  41 #define TYPE_ASM 1
  42 #define TYPE_SRC 2
  43
  44 static const char *app_name;
  45
  46 static void version() {
  47     con_out("GMQCC %d.%d.%d Built %s %s\n",
  48         GMQCC_VERSION_MAJOR,
  49         GMQCC_VERSION_MINOR,
  50         GMQCC_VERSION_PATCH,
  51         __DATE__,
  52         __TIME__
  53     );
  54 #ifdef GMQCC_GITINFO
  55     con_out("git build: %s\n", GMQCC_GITINFO);
  56 #elif defined(GMQCC_VERION_TYPE_DEVEL)
  57     con_out("development build\n");
  58 #endif
  59 }
  60
  61 static int usage() {
  62     con_out("usage: %s [options] [files...]", app_name);
  63     con_out("options:\n"
  64             "  -h, --help             show this help message\n"
  65             "  -debug                 turns on compiler debug messages\n"
  66             "  -memchk                turns on compiler memory leak check\n");
  67     con_out("  -o, --output=file      output file, defaults to progs.dat\n"
  68             "  -s filename            add a progs.src file to be used\n");
  69     con_out("  -E                     stop after preprocessing\n");
  70     con_out("  -q, --quiet            be less verbose\n");
  71     con_out("  -config file           use the specified ini file\n");
  72     con_out("  -std=standard          select one of the following standards\n"
  73             "       -std=qcc          original QuakeC\n"
  74             "       -std=fteqcc       fteqcc QuakeC\n"
  75             "       -std=gmqcc        this compiler (default)\n");
  76     con_out("  -f<flag>               enable a flag\n"
  77             "  -fno-<flag>            disable a flag\n"
  78             "  -fhelp                 list possible flags\n");
  79     con_out("  -W<warning>            enable a warning\n"
  80             "  -Wno-<warning>         disable a warning\n"
  81             "  -Wall                  enable all warnings\n");
  82     con_out("  -Werror                treat warnings as errors\n"
  83             "  -Werror-<warning>      treat a warning as error\n"
  84             "  -Wno-error-<warning>   opposite of the above\n");
  85     con_out("  -Whelp                 list possible warnings\n");
  86     con_out("  -O<number>             optimization level\n"
  87             "  -O<name>               enable specific optimization\n"
  88             "  -Ono-<name>            disable specific optimization\n"
  89             "  -Ohelp                 list optimizations\n");
  90     con_out("  -force-crc=num         force a specific checksum into the header\n");
  91     return -1;
  92 }
  93
  94 /* command line parsing */
  95 static bool options_witharg(int *argc_, char ***argv_, char **out) {
  96     int  argc   = *argc_;
  97     char **argv = *argv_;
  98
  99     if (argv[0][2]) {
 100         *out = argv[0]+2;
 101         return true;
 102     }
 103     /* eat up the next */
 104     if (argc < 2) /* no parameter was provided */
 105         return false;
 106
 107     *out = argv[1];
 108     --*argc_;
 109     ++*argv_;
 110     return true;
 111 }
 112
 113 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
 114     int  argc   = *argc_;
 115     char **argv = *argv_;
 116
 117     size_t len = strlen(optname);
 118
 119     if (strncmp(argv[0]+ds, optname, len))
 120         return false;
 121
 122     /* it's --optname, check how the parameter is supplied */
 123     if (argv[0][ds+len] == '=') {
 124         /* using --opt=param */
 125         *out = argv[0]+ds+len+1;
 126         return true;
 127     }
 128
 129     if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
 130         return false;
 131
 132     /* using --opt param */
 133     *out = argv[1];
 134     --*argc_;
 135     ++*argv_;
 136     return true;
 137 }
 138 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
 139     return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
 140 }
 141 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
 142     return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
 143 }
 144
 145 static bool options_parse(int argc, char **argv) {
 146     bool argend = false;
 147     size_t itr;
 148     char  buffer[1024];
 149     char *redirout    = NULL;
 150     char *redirerr    = NULL;
 151     char *config      = NULL;
 152     char *memdumpcols = NULL;
 153
 154     while (!argend && argc > 1) {
 155         char *argarg;
 156         argitem item;
 157         ppitem  macro;
 158
 159         ++argv;
 160         --argc;
 161
 162         if (argv[0][0] == '-') {
 163             /* All gcc-type long options */
 164             if (options_long_gcc("std", &argc, &argv, &argarg)) {
 165                 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
 166
 167                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,          true);
 168                     opts_set(opts.flags, CORRECT_LOGIC,                 true);
 169                     opts_set(opts.flags, FALSE_EMPTY_STRINGS,           false);
 170                     opts_set(opts.flags, TRUE_EMPTY_STRINGS,            true);
 171                     opts_set(opts.flags, LOOP_LABELS,                   true);
 172                     opts_set(opts.flags, TRANSLATABLE_STRINGS,          true);
 173                     opts_set(opts.flags, INITIALIZED_NONCONSTANTS,      true);
 174                     opts_set(opts.werror, WARN_INVALID_PARAMETER_COUNT, true);
 175                     opts_set(opts.werror, WARN_MISSING_RETURN_VALUES,   true);
 176
 177
 178                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_GMQCC;
 179
 180                 } else if (!strcmp(argarg, "qcc")) {
 181
 182                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 183                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
 184
 185                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCC;
 186
 187                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
 188
 189                     opts_set(opts.flags, FTEPP,                    true);
 190                     opts_set(opts.flags, TRANSLATABLE_STRINGS,     true);
 191                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,     false);
 192                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES,    true);
 193                     opts_set(opts.flags, CORRECT_TERNARY,          false);
 194                     opts_set(opts.warn, WARN_TERNARY_PRECEDENCE,   true);
 195
 196                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_FTEQCC;
 197
 198                 } else if (!strcmp(argarg, "qccx")) {
 199
 200                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 201                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCCX;
 202
 203                 } else {
 204                     con_out("Unknown standard: %s\n", argarg);
 205                     return false;
 206                 }
 207                 continue;
 208             }
 209             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
 210
 211                 OPTS_OPTION_BOOL(OPTION_FORCECRC)   = true;
 212                 OPTS_OPTION_U16 (OPTION_FORCED_CRC) = strtol(argarg, NULL, 0);
 213                 continue;
 214             }
 215             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
 216                 con_change(redirout, redirerr);
 217                 continue;
 218             }
 219             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
 220                 con_change(redirout, redirerr);
 221                 continue;
 222             }
 223             if (options_long_gcc("config", &argc, &argv, &argarg)) {
 224                 config = argarg;
 225                 continue;
 226             }
 227             if (options_long_gcc("memdumpcols", &argc, &argv, &memdumpcols)) {
 228                 OPTS_OPTION_U16(OPTION_MEMDUMPCOLS) = (uint16_t)strtol(memdumpcols, NULL, 10);
 229                 continue;
 230             }
 231
 232             /* show defaults (like pathscale) */
 233             if (!strcmp(argv[0]+1, "show-defaults")) {
 234                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 235                     if (!OPTS_FLAG(itr))
 236                         continue;
 237
 238                     memset(buffer, 0, sizeof(buffer));
 239                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
 240
 241                     con_out("-f%s ", buffer);
 242                 }
 243                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 244                     if (!OPTS_WARN(itr))
 245                         continue;
 246
 247                     memset(buffer, 0, sizeof(buffer));
 248                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
 249                     con_out("-W%s ", buffer);
 250                 }
 251                 con_out("\n");
 252                 exit(0);
 253             }
 254
 255             if (!strcmp(argv[0]+1, "debug")) {
 256                 OPTS_OPTION_BOOL(OPTION_DEBUG) = true;
 257                 continue;
 258             }
 259             if (!strcmp(argv[0]+1, "dump")) {
 260                 OPTS_OPTION_BOOL(OPTION_DUMP)  = true;
 261                 continue;
 262             }
 263             if (!strcmp(argv[0]+1, "dumpfin")) {
 264                 OPTS_OPTION_BOOL(OPTION_DUMPFIN) = true;
 265                 continue;
 266             }
 267             if (!strcmp(argv[0]+1, "memchk")) {
 268                 OPTS_OPTION_BOOL(OPTION_MEMCHK) = true;
 269                 continue;
 270             }
 271             if (!strcmp(argv[0]+1, "nocolor")) {
 272                 con_color(0);
 273                 continue;
 274             }
 275
 276             switch (argv[0][1]) {
 277                 /* -h, show usage but exit with 0 */
 278                 case 'h':
 279                     usage();
 280                     exit(0);
 281                     /* break; never reached because of exit(0) */
 282
 283                 case 'v':
 284                     version();
 285                     exit(0);
 286
 287                 case 'E':
 288                     OPTS_OPTION_BOOL(OPTION_PP_ONLY) = true;
 289                     opts_set(opts.flags, FTEPP_PREDEFS, true); /* predefs on for -E */
 290                     break;
 291
 292                 /* debug turns on -flno */
 293                 case 'g':
 294                     opts_setflag("LNO", true);
 295                     OPTS_OPTION_BOOL(OPTION_G) = true;
 296                     break;
 297
 298                 case 'q':
 299                     OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 300                     break;
 301
 302                 case 'D':
 303                     if (!strlen(argv[0]+2)) {
 304                         con_err("expected name after -D\n");
 305                         exit(0);
 306                     }
 307
 308                     if (!(argarg = strchr(argv[0] + 2, '='))) {
 309                         macro.name  = util_strdup(argv[0]+2);
 310                         macro.value = NULL;
 311                     } else {
 312                         *argarg='\0'; /* terminate for name */
 313                         macro.name  = util_strdup(argv[0]+2);
 314                         macro.value = util_strdup(argarg+1);
 315                     }
 316                     vec_push(ppems, macro);
 317                     break;
 318
 319                 /* handle all -fflags */
 320                 case 'f':
 321                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 322                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 323                         con_out("Possible flags:\n\n");
 324                         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 325                             util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
 326                             con_out(" -f%s\n", buffer);
 327                         }
 328                         exit(0);
 329                     }
 330                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 331                         if (!opts_setflag(argv[0]+5, false)) {
 332                             con_out("unknown flag: %s\n", argv[0]+2);
 333                             return false;
 334                         }
 335                     }
 336                     else if (!opts_setflag(argv[0]+2, true)) {
 337                         con_out("unknown flag: %s\n", argv[0]+2);
 338                         return false;
 339                     }
 340                     break;
 341                 case 'W':
 342                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 343                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 344                         con_out("Possible warnings:\n");
 345                         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 346                             util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
 347                             con_out(" -W%s\n", buffer);
 348                             if (itr == WARN_DEBUG)
 349                                 con_out("   Warnings included by -Wall:\n");
 350                         }
 351                         exit(0);
 352                     }
 353                     else if (!strcmp(argv[0]+2, "NO_ERROR") ||
 354                              !strcmp(argv[0]+2, "NO_ERROR_ALL"))
 355                     {
 356                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 357                             opts.werror[itr] = 0;
 358                         break;
 359                     }
 360                     else if (!strcmp(argv[0]+2, "ERROR") ||
 361                              !strcmp(argv[0]+2, "ERROR_ALL"))
 362                     {
 363                         opts_backup_non_Werror_all();
 364                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 365                             opts.werror[itr] = 0xFFFFFFFFL;
 366                         opts_restore_non_Werror_all();
 367                         break;
 368                     }
 369                     else if (!strcmp(argv[0]+2, "NONE")) {
 370                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 371                             opts.warn[itr] = 0;
 372                         break;
 373                     }
 374                     else if (!strcmp(argv[0]+2, "ALL")) {
 375                         opts_backup_non_Wall();
 376                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 377                             opts.warn[itr] = 0xFFFFFFFFL;
 378                         opts_restore_non_Wall();
 379                         break;
 380                     }
 381                     else if (!strncmp(argv[0]+2, "ERROR_", 6)) {
 382                         if (!opts_setwerror(argv[0]+8, true)) {
 383                             con_out("unknown warning: %s\n", argv[0]+2);
 384                             return false;
 385                         }
 386                     }
 387                     else if (!strncmp(argv[0]+2, "NO_ERROR_", 9)) {
 388                         if (!opts_setwerror(argv[0]+11, false)) {
 389                             con_out("unknown warning: %s\n", argv[0]+2);
 390                             return false;
 391                         }
 392                     }
 393                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 394                         if (!opts_setwarn(argv[0]+5, false)) {
 395                             con_out("unknown warning: %s\n", argv[0]+2);
 396                             return false;
 397                         }
 398                     }
 399                     else if (!opts_setwarn(argv[0]+2, true)) {
 400                         con_out("unknown warning: %s\n", argv[0]+2);
 401                         return false;
 402                     }
 403                     break;
 404
 405                 case 'O':
 406                     if (!options_witharg(&argc, &argv, &argarg)) {
 407                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
 408                         return false;
 409                     }
 410                     if (isdigit(argarg[0])) {
 411                         uint32_t val = (uint32_t)strtol(argarg, NULL, 10);
 412                         OPTS_OPTION_U32(OPTION_O) = val;
 413                         opts_setoptimlevel(val);
 414                     } else {
 415                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
 416                         if (!strcmp(argarg, "HELP")) {
 417                             con_out("Possible optimizations:\n");
 418                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 419                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
 420                                 con_out(" -O%-20s (-O%u)\n", buffer, opts_opt_oflag[itr]);
 421                             }
 422                             exit(0);
 423                         }
 424                         else if (!strcmp(argarg, "ALL"))
 425                             opts_setoptimlevel(OPTS_OPTION_U32(OPTION_O) = 9999);
 426                         else if (!strncmp(argarg, "NO_", 3)) {
 427                             if (!opts_setoptim(argarg+3, false)) {
 428                                 con_out("unknown optimization: %s\n", argarg+3);
 429                                 return false;
 430                             }
 431                         }
 432                         else {
 433                             if (!opts_setoptim(argarg, true)) {
 434                                 con_out("unknown optimization: %s\n", argarg);
 435                                 return false;
 436                             }
 437                         }
 438                     }
 439                     break;
 440
 441                 case 'o':
 442                     if (!options_witharg(&argc, &argv, &argarg)) {
 443                         con_out("option -o requires an argument: the output file name\n");
 444                         return false;
 445                     }
 446                     OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 447                     opts_output_wasset = true;
 448                     break;
 449
 450                 case 'a':
 451                 case 's':
 452                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
 453                     if (!options_witharg(&argc, &argv, &argarg)) {
 454                         con_out("option -a requires a filename %s\n",
 455                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
 456                         return false;
 457                     }
 458                     item.filename = argarg;
 459                     vec_push(items, item);
 460                     break;
 461
 462                 case '-':
 463                     if (!argv[0][2]) {
 464                         /* anything following -- is considered a non-option argument */
 465                         argend = true;
 466                         break;
 467                     }
 468             /* All long options without arguments */
 469                     else if (!strcmp(argv[0]+2, "help")) {
 470                         usage();
 471                         exit(0);
 472                     }
 473                     else if (!strcmp(argv[0]+2, "version")) {
 474                         version();
 475                         exit(0);
 476                     }
 477                     else if (!strcmp(argv[0]+2, "quiet")) {
 478                         OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 479                         break;
 480                     }
 481                     else if (!strcmp(argv[0]+2, "correct")) {
 482                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = true;
 483                         break;
 484                     }
 485                     else if (!strcmp(argv[0]+2, "no-correct")) {
 486                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = false;
 487                         break;
 488                     }
 489                     else if (!strcmp(argv[0]+2, "add-info")) {
 490                         OPTS_OPTION_BOOL(OPTION_ADD_INFO) = true;
 491                         break;
 492                     }
 493                     else {
 494             /* All long options with arguments */
 495                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
 496                             OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 497                             opts_output_wasset = true;
 498                         } else {
 499                             con_out("Unknown parameter: %s\n", argv[0]);
 500                             return false;
 501                         }
 502                     }
 503                     break;
 504
 505                 default:
 506                     con_out("Unknown parameter: %s\n", argv[0]);
 507                     return false;
 508             }
 509         }
 510         else
 511         {
 512             /* it's a QC filename */
 513             item.filename = argv[0];
 514             item.type     = TYPE_QC;
 515             vec_push(items, item);
 516         }
 517     }
 518     opts_ini_init(config);
 519     return true;
 520 }
 521
 522 /* returns the line number, or -1 on error */
 523 static bool progs_nextline(char **out, size_t *alen,FILE *src) {
 524     int    len;
 525     char  *line;
 526     char  *start;
 527     char  *end;
 528
 529     line = *out;
 530     len  = fs_file_getline(&line, alen, src);
 531     if (len == -1)
 532         return false;
 533
 534     /* start at first non-blank */
 535     for (start = line; isspace(*start); ++start) {}
 536     /* end at the first non-blank */
 537     for (end = start;  *end && !isspace(*end);  ++end)   {}
 538
 539     *out = line;
 540     /* move the actual filename to the beginning */
 541     while (start != end) {
 542         *line++ = *start++;
 543     }
 544     *line = 0;
 545     return true;
 546 }
 547
 548 int main(int argc, char **argv) {
 549     size_t itr;
 550     int    retval           = 0;
 551     bool   opts_output_free = false;
 552     bool   operators_free   = false;
 553     bool   progs_src        = false;
 554     FILE  *outfile          = NULL;
 555
 556     app_name = argv[0];
 557     con_init ();
 558     opts_init("progs.dat", COMPILER_GMQCC, (1024 << 3));
 559
 560     util_seed(time(0));
 561
 562     if (!options_parse(argc, argv)) {
 563         return usage();
 564     }
 565
 566     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
 567         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
 568         exit(EXIT_FAILURE);
 569     }
 570
 571     /* the standard decides which set of operators to use */
 572     if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
 573         operators      = c_operators;
 574         operator_count = c_operator_count;
 575     } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
 576         operators      = fte_operators;
 577         operator_count = fte_operator_count;
 578     } else {
 579         operators      = qcc_operators;
 580         operator_count = qcc_operator_count;
 581     }
 582
 583     if (operators == fte_operators) {
 584         /* fix ternary? */
 585         if (OPTS_FLAG(CORRECT_TERNARY)) {
 586             oper_info *newops;
 587             if (operators[operator_count-2].id != opid1(',') ||
 588                 operators[operator_count-1].id != opid2(':','?'))
 589             {
 590                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
 591                 exit(EXIT_FAILURE);
 592             }
 593             operators_free = true;
 594             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
 595             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
 596             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
 597             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
 598             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
 599             operators = newops;
 600         }
 601     }
 602
 603     if (OPTS_OPTION_BOOL(OPTION_DUMP)) {
 604         for (itr = 0; itr < COUNT_FLAGS; ++itr)
 605             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
 606         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
 607             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
 608
 609         con_out("output             = %s\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 610         con_out("optimization level = %u\n", OPTS_OPTION_U32(OPTION_O));
 611         con_out("standard           = %u\n", OPTS_OPTION_U32(OPTION_STANDARD));
 612     }
 613
 614     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 615         if (opts_output_wasset) {
 616             outfile = fs_file_open(OPTS_OPTION_STR(OPTION_OUTPUT), "wb");
 617             if (!outfile) {
 618                 con_err("failed to open `%s` for writing\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 619                 retval = 1;
 620                 goto cleanup;
 621             }
 622         }
 623         else {
 624             outfile = con_default_out();
 625         }
 626     }
 627
 628     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 629         if (!parser_init()) {
 630             con_err("failed to initialize parser\n");
 631             retval = 1;
 632             goto cleanup;
 633         }
 634     }
 635
 636     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 637         if (!ftepp_init()) {
 638             con_err("failed to initialize parser\n");
 639             retval = 1;
 640             goto cleanup;
 641         }
 642     }
 643
 644     if (OPTS_FLAG(TRUE_EMPTY_STRINGS))
 645         type_not_instr[TYPE_STRING] = INSTR_NOT_F;
 646
 647     util_debug("COM", "starting ...\n");
 648
 649     /* add macros */
 650     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 651         for (itr = 0; itr < vec_size(ppems); itr++) {
 652             ftepp_add_macro(ppems[itr].name, ppems[itr].value);
 653             mem_d(ppems[itr].name);
 654
 655             /* can be null */
 656             if (ppems[itr].value)
 657                 mem_d(ppems[itr].value);
 658         }
 659     }
 660
 661     if (!vec_size(items)) {
 662         FILE *src;
 663         char *line;
 664         size_t linelen = 0;
 665
 666         progs_src = true;
 667
 668         src = fs_file_open("progs.src", "rb");
 669         if (!src) {
 670             con_err("failed to open `progs.src` for reading\n");
 671             retval = 1;
 672             goto cleanup;
 673         }
 674
 675         line = NULL;
 676         if (!progs_nextline(&line, &linelen, src) || !line[0]) {
 677             con_err("illformatted progs.src file: expected output filename in first line\n");
 678             retval = 1;
 679             goto srcdone;
 680         }
 681
 682         if (!opts_output_wasset) {
 683             OPTS_OPTION_STR(OPTION_OUTPUT) = util_strdup(line);
 684             opts_output_free = true;
 685         }
 686
 687         while (progs_nextline(&line, &linelen, src)) {
 688             argitem item;
 689             if (!line[0] || (line[0] == '/' && line[1] == '/'))
 690                 continue;
 691             item.filename = util_strdup(line);
 692             item.type     = TYPE_QC;
 693             vec_push(items, item);
 694         }
 695
 696 srcdone:
 697         fs_file_close(src);
 698         mem_d(line);
 699     }
 700
 701     if (retval)
 702         goto cleanup;
 703
 704     if (vec_size(items)) {
 705         if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 706             !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 707         {
 708             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
 709             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
 710         }
 711         for (itr = 0; itr < vec_size(items); ++itr) {
 712             if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 713                 !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 714             {
 715                 con_out("  item: %s (%s)\n",
 716                        items[itr].filename,
 717                        ( (items[itr].type == TYPE_QC ? "qc" :
 718                          (items[itr].type == TYPE_ASM ? "asm" :
 719                          (items[itr].type == TYPE_SRC ? "progs.src" :
 720                          ("unknown"))))));
 721             }
 722
 723             if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 724                 const char *out;
 725                 if (!ftepp_preprocess_file(items[itr].filename)) {
 726                     retval = 1;
 727                     goto cleanup;
 728                 }
 729                 out = ftepp_get();
 730                 if (out)
 731                     fs_file_printf(outfile, "%s", out);
 732                 ftepp_flush();
 733             }
 734             else {
 735                 if (OPTS_FLAG(FTEPP)) {
 736                     const char *data;
 737                     if (!ftepp_preprocess_file(items[itr].filename)) {
 738                         retval = 1;
 739                         goto cleanup;
 740                     }
 741                     data = ftepp_get();
 742                     if (vec_size(data)) {
 743                         if (!parser_compile_string(items[itr].filename, data, vec_size(data))) {
 744                             retval = 1;
 745                             goto cleanup;
 746                         }
 747                     }
 748                     ftepp_flush();
 749                 }
 750                 else {
 751                     if (!parser_compile_file(items[itr].filename)) {
 752                         retval = 1;
 753                         goto cleanup;
 754                     }
 755                 }
 756             }
 757
 758             if (progs_src) {
 759                 mem_d(items[itr].filename);
 760                 items[itr].filename = NULL;
 761             }
 762         }
 763
 764         ftepp_finish();
 765         if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 766             if (!parser_finish(OPTS_OPTION_STR(OPTION_OUTPUT))) {
 767                 retval = 1;
 768                 goto cleanup;
 769             }
 770         }
 771     }
 772
 773     /* stuff */
 774     if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 775         !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 776     {
 777         for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 778             if (opts_optimizationcount[itr]) {
 779                 con_out("%s: %u\n", opts_opt_list[itr].name, (unsigned int)opts_optimizationcount[itr]);
 780             }
 781         }
 782     }
 783
 784 cleanup:
 785     util_debug("COM", "cleaning ...\n");
 786     ftepp_finish();
 787     con_close();
 788     vec_free(items);
 789     vec_free(ppems);
 790
 791     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 792         parser_cleanup();
 793     if (opts_output_free)
 794         mem_d(OPTS_OPTION_STR(OPTION_OUTPUT));
 795     if (operators_free)
 796         mem_d((void*)operators);
 797
 798     lex_cleanup();
 799     util_meminfo();
 800     return retval;
 801 }