main.c

   1 /*
   2  * Copyright (C) 2012, 2013, 2014
   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 <stdlib.h>
  25 #include <string.h>
  26
  27 #include "gmqcc.h"
  28 #include "lexer.h"
  29
  30 /* TODO: cleanup this whole file .. it's a fuckign mess */
  31
  32 /* set by the standard */
  33 const oper_info *operators      = NULL;
  34 size_t           operator_count = 0;
  35 static bool      opts_output_wasset = false;
  36
  37 typedef struct { char *filename; int   type;  } argitem;
  38 typedef struct { char *name;     char *value; } ppitem;
  39 static argitem *items = NULL;
  40 static ppitem  *ppems = NULL;
  41
  42 #define TYPE_QC  0
  43 #define TYPE_ASM 1
  44 #define TYPE_SRC 2
  45
  46 static const char *app_name;
  47
  48 static void version(void) {
  49     con_out("GMQCC %d.%d.%d Built %s %s\n" GMQCC_DEV_VERSION_STRING,
  50         GMQCC_VERSION_MAJOR,
  51         GMQCC_VERSION_MINOR,
  52         GMQCC_VERSION_PATCH,
  53         __DATE__,
  54         __TIME__
  55     );
  56 }
  57
  58 static int usage(void) {
  59     con_out("usage: %s [options] [files...]", app_name);
  60     con_out("options:\n"
  61             "  -h, --help             show this help message\n"
  62             "  -debug                 turns on compiler debug messages\n"
  63             "  -memchk                turns on compiler memory leak check\n");
  64     con_out("  -o, --output=file      output file, defaults to progs.dat\n"
  65             "  -s filename            add a progs.src file to be used\n");
  66     con_out("  -E                     stop after preprocessing\n");
  67     con_out("  -q, --quiet            be less verbose\n");
  68     con_out("  -config file           use the specified ini file\n");
  69     con_out("  -std=standard          select one of the following standards\n"
  70             "       -std=qcc          original QuakeC\n"
  71             "       -std=fteqcc       fteqcc QuakeC\n"
  72             "       -std=gmqcc        this compiler (default)\n");
  73     con_out("  -f<flag>               enable a flag\n"
  74             "  -fno-<flag>            disable a flag\n"
  75             "  -fhelp                 list possible flags\n");
  76     con_out("  -W<warning>            enable a warning\n"
  77             "  -Wno-<warning>         disable a warning\n"
  78             "  -Wall                  enable all warnings\n");
  79     con_out("  -Werror                treat warnings as errors\n"
  80             "  -Werror-<warning>      treat a warning as error\n"
  81             "  -Wno-error-<warning>   opposite of the above\n");
  82     con_out("  -Whelp                 list possible warnings\n");
  83     con_out("  -O<number>             optimization level\n"
  84             "  -O<name>               enable specific optimization\n"
  85             "  -Ono-<name>            disable specific optimization\n"
  86             "  -Ohelp                 list optimizations\n");
  87     con_out("  -force-crc=num         force a specific checksum into the header\n");
  88     con_out("  -coverage              add coverage support\n");
  89     return -1;
  90 }
  91
  92 /* command line parsing */
  93 static bool options_witharg(int *argc_, char ***argv_, char **out) {
  94     int  argc   = *argc_;
  95     char **argv = *argv_;
  96
  97     if (argv[0][2]) {
  98         *out = argv[0]+2;
  99         return true;
 100     }
 101     /* eat up the next */
 102     if (argc < 2) /* no parameter was provided */
 103         return false;
 104
 105     *out = argv[1];
 106     --*argc_;
 107     ++*argv_;
 108     return true;
 109 }
 110
 111 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
 112     int  argc   = *argc_;
 113     char **argv = *argv_;
 114
 115     size_t len = strlen(optname);
 116
 117     if (strncmp(argv[0]+ds, optname, len))
 118         return false;
 119
 120     /* it's --optname, check how the parameter is supplied */
 121     if (argv[0][ds+len] == '=') {
 122         /* using --opt=param */
 123         *out = argv[0]+ds+len+1;
 124         return true;
 125     }
 126
 127     if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
 128         return false;
 129
 130     /* using --opt param */
 131     *out = argv[1];
 132     --*argc_;
 133     ++*argv_;
 134     return true;
 135 }
 136 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
 137     return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
 138 }
 139 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
 140     return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
 141 }
 142
 143 static bool options_parse(int argc, char **argv) {
 144     bool argend = false;
 145     size_t itr;
 146     char  buffer[1024];
 147     char *redirout    = NULL;
 148     char *redirerr    = NULL;
 149     char *config      = NULL;
 150     char *memdumpcols = NULL;
 151
 152     while (!argend && argc > 1) {
 153         char *argarg;
 154         argitem item;
 155         ppitem  macro;
 156
 157         ++argv;
 158         --argc;
 159
 160         if (argv[0][0] == '-') {
 161             /* All gcc-type long options */
 162             if (options_long_gcc("std", &argc, &argv, &argarg)) {
 163                 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
 164
 165                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,          true);
 166                     opts_set(opts.flags, CORRECT_LOGIC,                 true);
 167                     opts_set(opts.flags, SHORT_LOGIC,                   true);
 168                     opts_set(opts.flags, UNTYPED_NIL,                   true);
 169                     opts_set(opts.flags, VARIADIC_ARGS,                 true);
 170                     opts_set(opts.flags, FALSE_EMPTY_STRINGS,           false);
 171                     opts_set(opts.flags, TRUE_EMPTY_STRINGS,            true);
 172                     opts_set(opts.flags, LOOP_LABELS,                   true);
 173                     opts_set(opts.flags, TRANSLATABLE_STRINGS,          true);
 174                     opts_set(opts.flags, INITIALIZED_NONCONSTANTS,      true);
 175                     opts_set(opts.werror, WARN_INVALID_PARAMETER_COUNT, true);
 176                     opts_set(opts.werror, WARN_MISSING_RETURN_VALUES,   true);
 177                     opts_set(opts.flags,  EXPRESSIONS_FOR_BUILTINS,     true);
 178                     opts_set(opts.warn,   WARN_BREAKDEF,                true);
 179
 180
 181
 182                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_GMQCC;
 183
 184                 } else if (!strcmp(argarg, "qcc")) {
 185
 186                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 187                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
 188
 189                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCC;
 190
 191                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
 192
 193                     opts_set(opts.flags, FTEPP,                    true);
 194                     opts_set(opts.flags, TRANSLATABLE_STRINGS,     true);
 195                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,     false);
 196                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES,    true);
 197                     opts_set(opts.flags, CORRECT_TERNARY,          false);
 198                     opts_set(opts.warn, WARN_TERNARY_PRECEDENCE,   true);
 199                     opts_set(opts.warn, WARN_BREAKDEF,             true);
 200
 201                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_FTEQCC;
 202
 203                 } else if (!strcmp(argarg, "qccx")) {
 204
 205                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 206                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCCX;
 207
 208                 } else {
 209                     con_out("Unknown standard: %s\n", argarg);
 210                     return false;
 211                 }
 212                 continue;
 213             }
 214             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
 215
 216                 OPTS_OPTION_BOOL(OPTION_FORCECRC)   = true;
 217                 OPTS_OPTION_U16 (OPTION_FORCED_CRC) = strtol(argarg, NULL, 0);
 218                 continue;
 219             }
 220             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
 221                 con_change(redirout, redirerr);
 222                 continue;
 223             }
 224             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
 225                 con_change(redirout, redirerr);
 226                 continue;
 227             }
 228             if (options_long_gcc("config", &argc, &argv, &argarg)) {
 229                 config = argarg;
 230                 continue;
 231             }
 232             if (options_long_gcc("memdumpcols", &argc, &argv, &memdumpcols)) {
 233                 OPTS_OPTION_U16(OPTION_MEMDUMPCOLS) = (uint16_t)strtol(memdumpcols, NULL, 10);
 234                 continue;
 235             }
 236             if (options_long_gcc("progsrc", &argc, &argv, &argarg)) {
 237                 OPTS_OPTION_STR(OPTION_PROGSRC) = argarg;
 238                 continue;
 239             }
 240
 241             /* show defaults (like pathscale) */
 242             if (!strcmp(argv[0]+1, "show-defaults")) {
 243                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 244                     if (!OPTS_FLAG(itr))
 245                         continue;
 246
 247                     memset(buffer, 0, sizeof(buffer));
 248                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
 249
 250                     con_out("-f%s ", buffer);
 251                 }
 252                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 253                     if (!OPTS_WARN(itr))
 254                         continue;
 255
 256                     memset(buffer, 0, sizeof(buffer));
 257                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
 258                     con_out("-W%s ", buffer);
 259                 }
 260                 con_out("\n");
 261                 exit(0);
 262             }
 263
 264             if (!strcmp(argv[0]+1, "debug")) {
 265                 OPTS_OPTION_BOOL(OPTION_DEBUG) = true;
 266                 continue;
 267             }
 268             if (!strcmp(argv[0]+1, "dump")) {
 269                 OPTS_OPTION_BOOL(OPTION_DUMP)  = true;
 270                 continue;
 271             }
 272             if (!strcmp(argv[0]+1, "dumpfin")) {
 273                 OPTS_OPTION_BOOL(OPTION_DUMPFIN) = true;
 274                 continue;
 275             }
 276             if (!strcmp(argv[0]+1, "memchk")) {
 277                 OPTS_OPTION_BOOL(OPTION_MEMCHK) = true;
 278                 continue;
 279             }
 280             if (!strcmp(argv[0]+1, "nocolor")) {
 281                 con_color(0);
 282                 continue;
 283             }
 284             if (!strcmp(argv[0]+1, "coverage")) {
 285                 OPTS_OPTION_BOOL(OPTION_COVERAGE) = true;
 286                 continue;
 287             }
 288
 289             switch (argv[0][1]) {
 290                 /* -h, show usage but exit with 0 */
 291                 case 'h':
 292                     usage();
 293                     exit(0);
 294                     /* break; never reached because of exit(0) */
 295
 296                 case 'v':
 297                     version();
 298                     exit(0);
 299
 300                 case 'E':
 301                     OPTS_OPTION_BOOL(OPTION_PP_ONLY) = true;
 302                     opts_set(opts.flags, FTEPP_PREDEFS, true); /* predefs on for -E */
 303                     break;
 304
 305                 /* debug turns on -flno */
 306                 case 'g':
 307                     opts_setflag("LNO", true);
 308                     OPTS_OPTION_BOOL(OPTION_G) = true;
 309                     break;
 310
 311                 case 'q':
 312                     OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 313                     break;
 314
 315                 case 'D':
 316                     if (!strlen(argv[0]+2)) {
 317                         con_err("expected name after -D\n");
 318                         exit(0);
 319                     }
 320
 321                     if (!(argarg = strchr(argv[0] + 2, '='))) {
 322                         macro.name  = util_strdup(argv[0]+2);
 323                         macro.value = NULL;
 324                     } else {
 325                         *argarg='\0'; /* terminate for name */
 326                         macro.name  = util_strdup(argv[0]+2);
 327                         macro.value = util_strdup(argarg+1);
 328                     }
 329                     vec_push(ppems, macro);
 330                     break;
 331
 332                 /* handle all -fflags */
 333                 case 'f':
 334                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 335                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 336                         con_out("Possible flags:\n\n");
 337                         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 338                             util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
 339                             con_out(" -f%s\n", buffer);
 340                         }
 341                         exit(0);
 342                     }
 343                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 344                         if (!opts_setflag(argv[0]+5, false)) {
 345                             con_out("unknown flag: %s\n", argv[0]+2);
 346                             return false;
 347                         }
 348                     }
 349                     else if (!opts_setflag(argv[0]+2, true)) {
 350                         con_out("unknown flag: %s\n", argv[0]+2);
 351                         return false;
 352                     }
 353                     break;
 354                 case 'W':
 355                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 356                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 357                         con_out("Possible warnings:\n");
 358                         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 359                             util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
 360                             con_out(" -W%s\n", buffer);
 361                             if (itr == WARN_DEBUG)
 362                                 con_out("   Warnings included by -Wall:\n");
 363                         }
 364                         exit(0);
 365                     }
 366                     else if (!strcmp(argv[0]+2, "NO_ERROR") ||
 367                              !strcmp(argv[0]+2, "NO_ERROR_ALL"))
 368                     {
 369                         for (itr = 0; itr < GMQCC_ARRAY_COUNT(opts.werror); ++itr)
 370                             opts.werror[itr] = 0;
 371                         break;
 372                     }
 373                     else if (!strcmp(argv[0]+2, "ERROR") ||
 374                              !strcmp(argv[0]+2, "ERROR_ALL"))
 375                     {
 376                         opts_backup_non_Werror_all();
 377                         for (itr = 0; itr < GMQCC_ARRAY_COUNT(opts.werror); ++itr)
 378                             opts.werror[itr] = 0xFFFFFFFFL;
 379                         opts_restore_non_Werror_all();
 380                         break;
 381                     }
 382                     else if (!strcmp(argv[0]+2, "NONE")) {
 383                         for (itr = 0; itr < GMQCC_ARRAY_COUNT(opts.warn); ++itr)
 384                             opts.warn[itr] = 0;
 385                         break;
 386                     }
 387                     else if (!strcmp(argv[0]+2, "ALL")) {
 388                         opts_backup_non_Wall();
 389                         for (itr = 0; itr < GMQCC_ARRAY_COUNT(opts.warn); ++itr)
 390                             opts.warn[itr] = 0xFFFFFFFFL;
 391                         opts_restore_non_Wall();
 392                         break;
 393                     }
 394                     else if (!strncmp(argv[0]+2, "ERROR_", 6)) {
 395                         if (!opts_setwerror(argv[0]+8, true)) {
 396                             con_out("unknown warning: %s\n", argv[0]+2);
 397                             return false;
 398                         }
 399                     }
 400                     else if (!strncmp(argv[0]+2, "NO_ERROR_", 9)) {
 401                         if (!opts_setwerror(argv[0]+11, false)) {
 402                             con_out("unknown warning: %s\n", argv[0]+2);
 403                             return false;
 404                         }
 405                     }
 406                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 407                         if (!opts_setwarn(argv[0]+5, false)) {
 408                             con_out("unknown warning: %s\n", argv[0]+2);
 409                             return false;
 410                         }
 411                     }
 412                     else if (!opts_setwarn(argv[0]+2, true)) {
 413                         con_out("unknown warning: %s\n", argv[0]+2);
 414                         return false;
 415                     }
 416                     break;
 417
 418                 case 'O':
 419                     if (!options_witharg(&argc, &argv, &argarg)) {
 420                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
 421                         return false;
 422                     }
 423                     if (util_isdigit(argarg[0])) {
 424                         uint32_t val = (uint32_t)strtol(argarg, NULL, 10);
 425                         OPTS_OPTION_U32(OPTION_O) = val;
 426                         opts_setoptimlevel(val);
 427                     } else {
 428                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
 429                         if (!strcmp(argarg, "HELP")) {
 430                             con_out("Possible optimizations:\n");
 431                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 432                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
 433                                 con_out(" -O%-20s (-O%u)\n", buffer, opts_opt_oflag[itr]);
 434                             }
 435                             exit(0);
 436                         }
 437                         else if (!strcmp(argarg, "ALL"))
 438                             opts_setoptimlevel(OPTS_OPTION_U32(OPTION_O) = 9999);
 439                         else if (!strncmp(argarg, "NO_", 3)) {
 440                             /* constant folding cannot be turned off for obvious reasons */
 441                             if (!strcmp(argarg, "NO_CONST_FOLD") || !opts_setoptim(argarg+3, false)) {
 442                                 con_out("unknown optimization: %s\n", argarg+3);
 443                                 return false;
 444                             }
 445                         }
 446                         else {
 447                             if (!opts_setoptim(argarg, true)) {
 448                                 con_out("unknown optimization: %s\n", argarg);
 449                                 return false;
 450                             }
 451                         }
 452                     }
 453                     break;
 454
 455                 case 'o':
 456                     if (!options_witharg(&argc, &argv, &argarg)) {
 457                         con_out("option -o requires an argument: the output file name\n");
 458                         return false;
 459                     }
 460                     OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 461                     opts_output_wasset = true;
 462                     break;
 463
 464                 case 'a':
 465                 case 's':
 466                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
 467                     if (!options_witharg(&argc, &argv, &argarg)) {
 468                         con_out("option -a requires a filename %s\n",
 469                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
 470                         return false;
 471                     }
 472                     item.filename = argarg;
 473                     vec_push(items, item);
 474                     break;
 475
 476                 case '-':
 477                     if (!argv[0][2]) {
 478                         /* anything following -- is considered a non-option argument */
 479                         argend = true;
 480                         break;
 481                     }
 482             /* All long options without arguments */
 483                     else if (!strcmp(argv[0]+2, "help")) {
 484                         usage();
 485                         exit(0);
 486                     }
 487                     else if (!strcmp(argv[0]+2, "version")) {
 488                         version();
 489                         exit(0);
 490                     }
 491                     else if (!strcmp(argv[0]+2, "quiet")) {
 492                         OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 493                         break;
 494                     }
 495                     else if (!strcmp(argv[0]+2, "correct")) {
 496                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = true;
 497                         break;
 498                     }
 499                     else if (!strcmp(argv[0]+2, "no-correct")) {
 500                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = false;
 501                         break;
 502                     }
 503                     else if (!strcmp(argv[0]+2, "add-info")) {
 504                         OPTS_OPTION_BOOL(OPTION_ADD_INFO) = true;
 505                         break;
 506                     }
 507                     else {
 508             /* All long options with arguments */
 509                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
 510                             OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 511                             opts_output_wasset = true;
 512                         } else {
 513                             con_out("Unknown parameter: %s\n", argv[0]);
 514                             return false;
 515                         }
 516                     }
 517                     break;
 518
 519                 default:
 520                     con_out("Unknown parameter: %s\n", argv[0]);
 521                     return false;
 522             }
 523         }
 524         else
 525         {
 526             /* it's a QC filename */
 527             item.filename = argv[0];
 528             item.type     = TYPE_QC;
 529             vec_push(items, item);
 530         }
 531     }
 532     opts_ini_init(config);
 533     return true;
 534 }
 535
 536 /* returns the line number, or -1 on error */
 537 static bool progs_nextline(char **out, size_t *alen, fs_file_t *src) {
 538     int    len;
 539     char  *line;
 540     char  *start;
 541     char  *end;
 542
 543     line = *out;
 544     len  = fs_file_getline(&line, alen, src);
 545     if (len == -1)
 546         return false;
 547
 548     /* start at first non-blank */
 549     for (start = line; util_isspace(*start); ++start) {}
 550     /* end at the first non-blank */
 551     for (end = start; *end && !util_isspace(*end);  ++end)   {}
 552
 553     *out = line;
 554     /* move the actual filename to the beginning */
 555     while (start != end) {
 556         *line++ = *start++;
 557     }
 558     *line = 0;
 559     return true;
 560 }
 561
 562 int main(int argc, char **argv) {
 563     size_t          itr;
 564     int             retval           = 0;
 565     bool            operators_free   = false;
 566     bool            progs_src        = false;
 567     fs_file_t       *outfile         = NULL;
 568     struct parser_s *parser          = NULL;
 569     struct ftepp_s  *ftepp           = NULL;
 570
 571     app_name = argv[0];
 572     con_init ();
 573     opts_init("progs.dat", COMPILER_QCC, (1024 << 3));
 574
 575     util_seed(time(0));
 576
 577     if (!options_parse(argc, argv)) {
 578         return usage();
 579     }
 580
 581     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
 582         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
 583         exit(EXIT_FAILURE);
 584     }
 585
 586     /* the standard decides which set of operators to use */
 587     if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
 588         operators      = c_operators;
 589         operator_count = GMQCC_ARRAY_COUNT(c_operators);
 590     } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
 591         operators      = fte_operators;
 592         operator_count = GMQCC_ARRAY_COUNT(fte_operators);
 593     } else {
 594         operators      = qcc_operators;
 595         operator_count = GMQCC_ARRAY_COUNT(qcc_operators);
 596     }
 597
 598     if (operators == fte_operators) {
 599         /* fix ternary? */
 600         if (OPTS_FLAG(CORRECT_TERNARY)) {
 601             oper_info *newops;
 602             if (operators[operator_count-2].id != opid1(',') ||
 603                 operators[operator_count-1].id != opid2(':','?'))
 604             {
 605                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
 606                 exit(EXIT_FAILURE);
 607             }
 608             operators_free = true;
 609             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
 610             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
 611             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
 612             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
 613             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
 614             operators = newops;
 615         }
 616     }
 617
 618     if (OPTS_OPTION_BOOL(OPTION_DUMP)) {
 619         for (itr = 0; itr < COUNT_FLAGS; ++itr)
 620             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
 621         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
 622             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
 623
 624         con_out("output             = %s\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 625         con_out("optimization level = %u\n", OPTS_OPTION_U32(OPTION_O));
 626         con_out("standard           = %u\n", OPTS_OPTION_U32(OPTION_STANDARD));
 627     }
 628
 629     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 630         if (opts_output_wasset) {
 631             outfile = fs_file_open(OPTS_OPTION_STR(OPTION_OUTPUT), "wb");
 632             if (!outfile) {
 633                 con_err("failed to open `%s` for writing\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 634                 retval = 1;
 635                 goto cleanup;
 636             }
 637         }
 638         else {
 639             outfile = con_default_out();
 640         }
 641     }
 642
 643     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 644         if (!(parser = parser_create())) {
 645             con_err("failed to initialize parser\n");
 646             retval = 1;
 647             goto cleanup;
 648         }
 649     }
 650
 651     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 652         if (!(ftepp = ftepp_create())) {
 653             con_err("failed to initialize parser\n");
 654             retval = 1;
 655             goto cleanup;
 656         }
 657     }
 658
 659     /* add macros */
 660     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 661         for (itr = 0; itr < vec_size(ppems); itr++) {
 662             ftepp_add_macro(ftepp, ppems[itr].name, ppems[itr].value);
 663             mem_d(ppems[itr].name);
 664
 665             /* can be null */
 666             if (ppems[itr].value)
 667                 mem_d(ppems[itr].value);
 668         }
 669     }
 670
 671     if (!vec_size(items)) {
 672         fs_file_t *src;
 673         char      *line    = NULL;
 674         size_t     linelen = 0;
 675         bool       hasline = false;
 676
 677         progs_src = true;
 678
 679         src = fs_file_open(OPTS_OPTION_STR(OPTION_PROGSRC), "rb");
 680         if (!src) {
 681             con_err("failed to open `%s` for reading\n", OPTS_OPTION_STR(OPTION_PROGSRC));
 682             retval = 1;
 683             goto cleanup;
 684         }
 685
 686         while (progs_nextline(&line, &linelen, src)) {
 687             argitem item;
 688
 689             if (!line[0] || (line[0] == '/' && line[1] == '/'))
 690                 continue;
 691
 692             if (hasline) {
 693                 item.filename = util_strdup(line);
 694                 item.type     = TYPE_QC;
 695                 vec_push(items, item);
 696             } else if (!opts_output_wasset) {
 697                 OPTS_OPTION_DUP(OPTION_OUTPUT) = util_strdup(line);
 698                 hasline                        = true;
 699             }
 700         }
 701
 702         fs_file_close(src);
 703         mem_d(line);
 704     }
 705
 706     if (vec_size(items)) {
 707         if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 708             !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 709         {
 710             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
 711             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
 712         }
 713
 714         for (itr = 0; itr < vec_size(items); ++itr) {
 715             if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 716                 !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 717             {
 718                 con_out("  item: %s (%s)\n",
 719                        items[itr].filename,
 720                        ( (items[itr].type == TYPE_QC ? "qc" :
 721                          (items[itr].type == TYPE_ASM ? "asm" :
 722                          (items[itr].type == TYPE_SRC ? "progs.src" :
 723                          ("unknown"))))));
 724             }
 725
 726             if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 727                 const char *out;
 728                 if (!ftepp_preprocess_file(ftepp, items[itr].filename)) {
 729                     retval = 1;
 730                     goto cleanup;
 731                 }
 732                 out = ftepp_get(ftepp);
 733                 if (out)
 734                     fs_file_printf(outfile, "%s", out);
 735                 ftepp_flush(ftepp);
 736             }
 737             else {
 738                 if (OPTS_FLAG(FTEPP)) {
 739                     const char *data;
 740                     if (!ftepp_preprocess_file(ftepp, items[itr].filename)) {
 741                         retval = 1;
 742                         goto cleanup;
 743                     }
 744                     data = ftepp_get(ftepp);
 745                     if (vec_size(data)) {
 746                         if (!parser_compile_string(parser, items[itr].filename, data, vec_size(data))) {
 747                             retval = 1;
 748                             goto cleanup;
 749                         }
 750                     }
 751                     ftepp_flush(ftepp);
 752                 }
 753                 else {
 754                     if (!parser_compile_file(parser, items[itr].filename)) {
 755                         retval = 1;
 756                         goto cleanup;
 757                     }
 758                 }
 759             }
 760
 761             if (progs_src) {
 762                 mem_d(items[itr].filename);
 763                 items[itr].filename = NULL;
 764             }
 765         }
 766
 767         ftepp_finish(ftepp);
 768         ftepp = NULL;
 769         if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 770             if (!parser_finish(parser, OPTS_OPTION_STR(OPTION_OUTPUT))) {
 771                 retval = 1;
 772                 goto cleanup;
 773             }
 774         }
 775     }
 776
 777 cleanup:
 778     if (ftepp)
 779         ftepp_finish(ftepp);
 780     con_close();
 781     vec_free(items);
 782     vec_free(ppems);
 783
 784     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 785         if(parser) parser_cleanup(parser);
 786
 787     /* free allocated option strings */
 788     for (itr = 0; itr < OPTION_COUNT; itr++)
 789         if (OPTS_OPTION_DUPED(itr))
 790             mem_d(OPTS_OPTION_STR(itr));
 791
 792     if (operators_free)
 793         mem_d((void*)operators);
 794
 795     lex_cleanup();
 796     stat_info();
 797
 798     if (!retval && compile_errors)
 799         retval = 1;
 800     return retval;
 801 }