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
 153     while (!argend && argc > 1) {
 154         char *argarg;
 155         argitem item;
 156         ppitem  macro;
 157
 158         ++argv;
 159         --argc;
 160
 161         if (argv[0][0] == '-') {
 162             /* All gcc-type long options */
 163             if (options_long_gcc("std", &argc, &argv, &argarg)) {
 164                 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
 165
 166                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,          true);
 167                     opts_set(opts.flags, CORRECT_LOGIC,                 true);
 168                     opts_set(opts.flags, FALSE_EMPTY_STRINGS,           false);
 169                     opts_set(opts.flags, TRUE_EMPTY_STRINGS,            true);
 170                     opts_set(opts.flags, LOOP_LABELS,                   true);
 171                     opts_set(opts.flags, TRANSLATABLE_STRINGS,          true);
 172                     opts_set(opts.flags, INITIALIZED_NONCONSTANTS,      true);
 173                     opts_set(opts.werror, WARN_INVALID_PARAMETER_COUNT, true);
 174                     opts_set(opts.werror, WARN_MISSING_RETURN_VALUES,   true);
 175
 176
 177                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_GMQCC;
 178
 179                 } else if (!strcmp(argarg, "qcc")) {
 180
 181                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 182                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
 183
 184                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCC;
 185
 186                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
 187
 188                     opts_set(opts.flags, FTEPP,                    true);
 189                     opts_set(opts.flags, TRANSLATABLE_STRINGS,     true);
 190                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,     false);
 191                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES,    true);
 192                     opts_set(opts.flags, CORRECT_TERNARY,          false);
 193                     opts_set(opts.warn, WARN_TERNARY_PRECEDENCE,   true);
 194
 195                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_FTEQCC;
 196
 197                 } else if (!strcmp(argarg, "qccx")) {
 198
 199                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 200                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCCX;
 201
 202                 } else {
 203                     con_out("Unknown standard: %s\n", argarg);
 204                     return false;
 205                 }
 206                 continue;
 207             }
 208             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
 209
 210                 OPTS_OPTION_BOOL(OPTION_FORCECRC)   = true;
 211                 OPTS_OPTION_U16 (OPTION_FORCED_CRC) = strtol(argarg, NULL, 0);
 212                 continue;
 213             }
 214             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
 215                 con_change(redirout, redirerr);
 216                 continue;
 217             }
 218             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
 219                 con_change(redirout, redirerr);
 220                 continue;
 221             }
 222             if (options_long_gcc("config", &argc, &argv, &argarg)) {
 223                 config = argarg;
 224                 continue;
 225             }
 226
 227             /* show defaults (like pathscale) */
 228             if (!strcmp(argv[0]+1, "show-defaults")) {
 229                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 230                     if (!OPTS_FLAG(itr))
 231                         continue;
 232
 233                     memset(buffer, 0, sizeof(buffer));
 234                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
 235
 236                     con_out("-f%s ", buffer);
 237                 }
 238                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 239                     if (!OPTS_WARN(itr))
 240                         continue;
 241
 242                     memset(buffer, 0, sizeof(buffer));
 243                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
 244                     con_out("-W%s ", buffer);
 245                 }
 246                 con_out("\n");
 247                 exit(0);
 248             }
 249
 250             if (!strcmp(argv[0]+1, "debug")) {
 251                 OPTS_OPTION_BOOL(OPTION_DEBUG) = true;
 252                 continue;
 253             }
 254             if (!strcmp(argv[0]+1, "dump")) {
 255                 OPTS_OPTION_BOOL(OPTION_DUMP)  = true;
 256                 continue;
 257             }
 258             if (!strcmp(argv[0]+1, "dumpfin")) {
 259                 OPTS_OPTION_BOOL(OPTION_DUMPFIN) = true;
 260                 continue;
 261             }
 262             if (!strcmp(argv[0]+1, "memchk")) {
 263                 OPTS_OPTION_BOOL(OPTION_MEMCHK) = true;
 264                 continue;
 265             }
 266             if (!strcmp(argv[0]+1, "nocolor")) {
 267                 con_color(0);
 268                 continue;
 269             }
 270
 271             switch (argv[0][1]) {
 272                 /* -h, show usage but exit with 0 */
 273                 case 'h':
 274                     usage();
 275                     exit(0);
 276                     /* break; never reached because of exit(0) */
 277
 278                 case 'v':
 279                     version();
 280                     exit(0);
 281
 282                 case 'E':
 283                     OPTS_OPTION_BOOL(OPTION_PP_ONLY) = true;
 284                     opts_set(opts.flags, FTEPP_PREDEFS, true); /* predefs on for -E */
 285                     break;
 286
 287                 /* debug turns on -flno */
 288                 case 'g':
 289                     opts_setflag("LNO", true);
 290                     OPTS_OPTION_BOOL(OPTION_G) = true;
 291                     break;
 292
 293                 case 'q':
 294                     OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 295                     break;
 296
 297                 case 'D':
 298                     if (!strlen(argv[0]+2)) {
 299                         con_err("expected name after -D\n");
 300                         exit(0);
 301                     }
 302
 303                     if (!(argarg = strchr(argv[0] + 2, '='))) {
 304                         macro.name  = util_strdup(argv[0]+2);
 305                         macro.value = NULL;
 306                     } else {
 307                         *argarg='\0'; /* terminate for name */
 308                         macro.name  = util_strdup(argv[0]+2);
 309                         macro.value = util_strdup(argarg+1);
 310                     }
 311                     vec_push(ppems, macro);
 312                     break;
 313
 314                 /* handle all -fflags */
 315                 case 'f':
 316                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 317                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 318                         con_out("Possible flags:\n\n");
 319                         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 320                             util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
 321                             con_out(" -f%s:\n%s\n\n", buffer, opts_flag_list[itr].description);
 322                         }
 323                         exit(0);
 324                     }
 325                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 326                         if (!opts_setflag(argv[0]+5, false)) {
 327                             con_out("unknown flag: %s\n", argv[0]+2);
 328                             return false;
 329                         }
 330                     }
 331                     else if (!opts_setflag(argv[0]+2, true)) {
 332                         con_out("unknown flag: %s\n", argv[0]+2);
 333                         return false;
 334                     }
 335                     break;
 336                 case 'W':
 337                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 338                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 339                         con_out("Possible warnings:\n");
 340                         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 341                             util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
 342                             con_out(" -W%s:\n%s\n\n\n", buffer, opts_warn_list[itr].description);
 343                         }
 344                         exit(0);
 345                     }
 346                     else if (!strcmp(argv[0]+2, "NO_ERROR") ||
 347                              !strcmp(argv[0]+2, "NO_ERROR_ALL"))
 348                     {
 349                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 350                             opts.werror[itr] = 0;
 351                         break;
 352                     }
 353                     else if (!strcmp(argv[0]+2, "ERROR") ||
 354                              !strcmp(argv[0]+2, "ERROR_ALL"))
 355                     {
 356                         opts_backup_non_Werror_all();
 357                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 358                             opts.werror[itr] = 0xFFFFFFFFL;
 359                         opts_restore_non_Werror_all();
 360                         break;
 361                     }
 362                     else if (!strcmp(argv[0]+2, "NONE")) {
 363                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 364                             opts.warn[itr] = 0;
 365                         break;
 366                     }
 367                     else if (!strcmp(argv[0]+2, "ALL")) {
 368                         opts_backup_non_Wall();
 369                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 370                             opts.warn[itr] = 0xFFFFFFFFL;
 371                         opts_restore_non_Wall();
 372                         break;
 373                     }
 374                     else if (!strncmp(argv[0]+2, "ERROR_", 6)) {
 375                         if (!opts_setwerror(argv[0]+8, true)) {
 376                             con_out("unknown warning: %s\n", argv[0]+2);
 377                             return false;
 378                         }
 379                     }
 380                     else if (!strncmp(argv[0]+2, "NO_ERROR_", 9)) {
 381                         if (!opts_setwerror(argv[0]+11, false)) {
 382                             con_out("unknown warning: %s\n", argv[0]+2);
 383                             return false;
 384                         }
 385                     }
 386                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 387                         if (!opts_setwarn(argv[0]+5, false)) {
 388                             con_out("unknown warning: %s\n", argv[0]+2);
 389                             return false;
 390                         }
 391                     }
 392                     else if (!opts_setwarn(argv[0]+2, true)) {
 393                         con_out("unknown warning: %s\n", argv[0]+2);
 394                         return false;
 395                     }
 396                     break;
 397
 398                 case 'O':
 399                     if (!options_witharg(&argc, &argv, &argarg)) {
 400                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
 401                         return false;
 402                     }
 403                     if (isdigit(argarg[0])) {
 404                         uint32_t val = atoi(argarg);
 405                         OPTS_OPTION_U32(OPTION_O) = val;
 406                         opts_setoptimlevel(val);
 407                     } else {
 408                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
 409                         if (!strcmp(argarg, "HELP")) {
 410                             con_out("Possible optimizations:\n");
 411                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 412                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
 413                                 con_out(" -O%-20s (-O%u):\n%s\n\n", buffer, opts_opt_oflag[itr], opts_opt_list[itr].description);
 414                             }
 415                             exit(0);
 416                         }
 417                         else if (!strcmp(argarg, "ALL"))
 418                             opts_setoptimlevel(OPTS_OPTION_U32(OPTION_O) = 9999);
 419                         else if (!strncmp(argarg, "NO_", 3)) {
 420                             if (!opts_setoptim(argarg+3, false)) {
 421                                 con_out("unknown optimization: %s\n", argarg+3);
 422                                 return false;
 423                             }
 424                         }
 425                         else {
 426                             if (!opts_setoptim(argarg, true)) {
 427                                 con_out("unknown optimization: %s\n", argarg);
 428                                 return false;
 429                             }
 430                         }
 431                     }
 432                     break;
 433
 434                 case 'o':
 435                     if (!options_witharg(&argc, &argv, &argarg)) {
 436                         con_out("option -o requires an argument: the output file name\n");
 437                         return false;
 438                     }
 439                     OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 440                     opts_output_wasset = true;
 441                     break;
 442
 443                 case 'a':
 444                 case 's':
 445                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
 446                     if (!options_witharg(&argc, &argv, &argarg)) {
 447                         con_out("option -a requires a filename %s\n",
 448                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
 449                         return false;
 450                     }
 451                     item.filename = argarg;
 452                     vec_push(items, item);
 453                     break;
 454
 455                 case '-':
 456                     if (!argv[0][2]) {
 457                         /* anything following -- is considered a non-option argument */
 458                         argend = true;
 459                         break;
 460                     }
 461             /* All long options without arguments */
 462                     else if (!strcmp(argv[0]+2, "help")) {
 463                         /* TODO .. map name back .. prittery print of
 464                          * options and their associations.
 465                          */
 466                         for (itr = 0; itr < OPTION_COUNT; itr++) {
 467                             con_out("%s\n\n", opts_options_descriptions[itr]);
 468                         }
 469
 470                         exit(0);
 471                     }
 472                     else if (!strcmp(argv[0]+2, "version")) {
 473                         version();
 474                         exit(0);
 475                     }
 476                     else if (!strcmp(argv[0]+2, "quiet")) {
 477                         OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 478                         break;
 479                     }
 480                     else if (!strcmp(argv[0]+2, "correct")) {
 481                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = true;
 482                         break;
 483                     }
 484                     else if (!strcmp(argv[0]+2, "no-correct")) {
 485                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = false;
 486                         break;
 487                     }
 488                     else if (!strcmp(argv[0]+2, "add-info")) {
 489                         OPTS_OPTION_BOOL(OPTION_ADD_INFO) = true;
 490                         break;
 491                     }
 492                     else {
 493             /* All long options with arguments */
 494                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
 495                             OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 496                             opts_output_wasset = true;
 497                         } else {
 498                             con_out("Unknown parameter: %s\n", argv[0]);
 499                             return false;
 500                         }
 501                     }
 502                     break;
 503
 504                 default:
 505                     con_out("Unknown parameter: %s\n", argv[0]);
 506                     return false;
 507             }
 508         }
 509         else
 510         {
 511             /* it's a QC filename */
 512             item.filename = argv[0];
 513             item.type     = TYPE_QC;
 514             vec_push(items, item);
 515         }
 516     }
 517     opts_ini_init(config);
 518     return true;
 519 }
 520
 521 /* returns the line number, or -1 on error */
 522 static bool progs_nextline(char **out, size_t *alen,FILE *src) {
 523     int    len;
 524     char  *line;
 525     char  *start;
 526     char  *end;
 527
 528     line = *out;
 529     len  = file_getline(&line, alen, src);
 530     if (len == -1)
 531         return false;
 532
 533     /* start at first non-blank */
 534     for (start = line; isspace(*start); ++start) {}
 535     /* end at the first non-blank */
 536     for (end = start;  *end && !isspace(*end);  ++end)   {}
 537
 538     *out = line;
 539     /* move the actual filename to the beginning */
 540     while (start != end) {
 541         *line++ = *start++;
 542     }
 543     *line = 0;
 544     return true;
 545 }
 546
 547 int main(int argc, char **argv) {
 548     size_t itr;
 549     int    retval           = 0;
 550     bool   opts_output_free = false;
 551     bool   operators_free   = false;
 552     bool   progs_src        = false;
 553     FILE  *outfile          = NULL;
 554
 555     app_name = argv[0];
 556     con_init ();
 557     opts_init("progs.dat", COMPILER_GMQCC, (1024 << 3));
 558
 559     util_seed(time(0));
 560
 561     if (!options_parse(argc, argv)) {
 562         return usage();
 563     }
 564
 565     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
 566         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
 567         exit(EXIT_FAILURE);
 568     }
 569
 570     /* the standard decides which set of operators to use */
 571     if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
 572         operators      = c_operators;
 573         operator_count = c_operator_count;
 574     } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
 575         operators      = fte_operators;
 576         operator_count = fte_operator_count;
 577     } else {
 578         operators      = qcc_operators;
 579         operator_count = qcc_operator_count;
 580     }
 581
 582     if (operators == fte_operators) {
 583         /* fix ternary? */
 584         if (OPTS_FLAG(CORRECT_TERNARY)) {
 585             oper_info *newops;
 586             if (operators[operator_count-2].id != opid1(',') ||
 587                 operators[operator_count-1].id != opid2(':','?'))
 588             {
 589                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
 590                 exit(EXIT_FAILURE);
 591             }
 592             operators_free = true;
 593             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
 594             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
 595             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
 596             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
 597             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
 598             operators = newops;
 599         }
 600     }
 601
 602     if (OPTS_OPTION_BOOL(OPTION_DUMP)) {
 603         for (itr = 0; itr < COUNT_FLAGS; ++itr)
 604             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
 605         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
 606             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
 607
 608         con_out("output             = %s\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 609         con_out("optimization level = %u\n", OPTS_OPTION_U32(OPTION_O));
 610         con_out("standard           = %u\n", OPTS_OPTION_U32(OPTION_STANDARD));
 611     }
 612
 613     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 614         if (opts_output_wasset) {
 615             outfile = file_open(OPTS_OPTION_STR(OPTION_OUTPUT), "wb");
 616             if (!outfile) {
 617                 con_err("failed to open `%s` for writing\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 618                 retval = 1;
 619                 goto cleanup;
 620             }
 621         }
 622         else {
 623             outfile = con_default_out();
 624         }
 625     }
 626
 627     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 628         if (!parser_init()) {
 629             con_err("failed to initialize parser\n");
 630             retval = 1;
 631             goto cleanup;
 632         }
 633     }
 634
 635     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 636         if (!ftepp_init()) {
 637             con_err("failed to initialize parser\n");
 638             retval = 1;
 639             goto cleanup;
 640         }
 641     }
 642
 643     if (OPTS_FLAG(TRUE_EMPTY_STRINGS))
 644         type_not_instr[TYPE_STRING] = INSTR_NOT_F;
 645
 646     util_debug("COM", "starting ...\n");
 647
 648     /* add macros */
 649     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 650         for (itr = 0; itr < vec_size(ppems); itr++) {
 651             ftepp_add_macro(ppems[itr].name, ppems[itr].value);
 652             mem_d(ppems[itr].name);
 653
 654             /* can be null */
 655             if (ppems[itr].value)
 656                 mem_d(ppems[itr].value);
 657         }
 658     }
 659
 660     if (!vec_size(items)) {
 661         FILE *src;
 662         char *line;
 663         size_t linelen = 0;
 664
 665         progs_src = true;
 666
 667         src = file_open("progs.src", "rb");
 668         if (!src) {
 669             con_err("failed to open `progs.src` for reading\n");
 670             retval = 1;
 671             goto cleanup;
 672         }
 673
 674         line = NULL;
 675         if (!progs_nextline(&line, &linelen, src) || !line[0]) {
 676             con_err("illformatted progs.src file: expected output filename in first line\n");
 677             retval = 1;
 678             goto srcdone;
 679         }
 680
 681         if (!opts_output_wasset) {
 682             OPTS_OPTION_STR(OPTION_OUTPUT) = util_strdup(line);
 683             opts_output_free = true;
 684         }
 685
 686         while (progs_nextline(&line, &linelen, src)) {
 687             argitem item;
 688             if (!line[0] || (line[0] == '/' && line[1] == '/'))
 689                 continue;
 690             item.filename = util_strdup(line);
 691             item.type     = TYPE_QC;
 692             vec_push(items, item);
 693         }
 694
 695 srcdone:
 696         file_close(src);
 697         mem_d(line);
 698     }
 699
 700     if (retval)
 701         goto cleanup;
 702
 703     if (vec_size(items)) {
 704         if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 705             !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 706         {
 707             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
 708             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
 709         }
 710         for (itr = 0; itr < vec_size(items); ++itr) {
 711             if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 712                 !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 713             {
 714                 con_out("  item: %s (%s)\n",
 715                        items[itr].filename,
 716                        ( (items[itr].type == TYPE_QC ? "qc" :
 717                          (items[itr].type == TYPE_ASM ? "asm" :
 718                          (items[itr].type == TYPE_SRC ? "progs.src" :
 719                          ("unknown"))))));
 720             }
 721
 722             if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 723                 const char *out;
 724                 if (!ftepp_preprocess_file(items[itr].filename)) {
 725                     retval = 1;
 726                     goto cleanup;
 727                 }
 728                 out = ftepp_get();
 729                 if (out)
 730                     file_printf(outfile, "%s", out);
 731                 ftepp_flush();
 732             }
 733             else {
 734                 if (OPTS_FLAG(FTEPP)) {
 735                     const char *data;
 736                     if (!ftepp_preprocess_file(items[itr].filename)) {
 737                         retval = 1;
 738                         goto cleanup;
 739                     }
 740                     data = ftepp_get();
 741                     if (vec_size(data)) {
 742                         if (!parser_compile_string(items[itr].filename, data, vec_size(data))) {
 743                             retval = 1;
 744                             goto cleanup;
 745                         }
 746                     }
 747                     ftepp_flush();
 748                 }
 749                 else {
 750                     if (!parser_compile_file(items[itr].filename)) {
 751                         retval = 1;
 752                         goto cleanup;
 753                     }
 754                 }
 755             }
 756
 757             if (progs_src) {
 758                 mem_d(items[itr].filename);
 759                 items[itr].filename = NULL;
 760             }
 761         }
 762
 763         ftepp_finish();
 764         if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 765             if (!parser_finish(OPTS_OPTION_STR(OPTION_OUTPUT))) {
 766                 retval = 1;
 767                 goto cleanup;
 768             }
 769         }
 770     }
 771
 772     /* stuff */
 773     if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 774         !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 775     {
 776         for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 777             if (opts_optimizationcount[itr]) {
 778                 con_out("%s: %u\n", opts_opt_list[itr].name, (unsigned int)opts_optimizationcount[itr]);
 779             }
 780         }
 781     }
 782
 783 cleanup:
 784     util_debug("COM", "cleaning ...\n");
 785     ftepp_finish();
 786     con_close();
 787     vec_free(items);
 788     vec_free(ppems);
 789
 790     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 791         parser_cleanup();
 792     if (opts_output_free)
 793         mem_d(OPTS_OPTION_STR(OPTION_OUTPUT));
 794     if (operators_free)
 795         mem_d((void*)operators);
 796
 797     lex_cleanup();
 798     util_meminfo();
 799     return retval;
 800 }