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 <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     return -1;
  89 }
  90
  91 /* command line parsing */
  92 static bool options_witharg(int *argc_, char ***argv_, char **out) {
  93     int  argc   = *argc_;
  94     char **argv = *argv_;
  95
  96     if (argv[0][2]) {
  97         *out = argv[0]+2;
  98         return true;
  99     }
 100     /* eat up the next */
 101     if (argc < 2) /* no parameter was provided */
 102         return false;
 103
 104     *out = argv[1];
 105     --*argc_;
 106     ++*argv_;
 107     return true;
 108 }
 109
 110 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
 111     int  argc   = *argc_;
 112     char **argv = *argv_;
 113
 114     size_t len = strlen(optname);
 115
 116     if (strncmp(argv[0]+ds, optname, len))
 117         return false;
 118
 119     /* it's --optname, check how the parameter is supplied */
 120     if (argv[0][ds+len] == '=') {
 121         /* using --opt=param */
 122         *out = argv[0]+ds+len+1;
 123         return true;
 124     }
 125
 126     if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
 127         return false;
 128
 129     /* using --opt param */
 130     *out = argv[1];
 131     --*argc_;
 132     ++*argv_;
 133     return true;
 134 }
 135 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
 136     return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
 137 }
 138 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
 139     return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
 140 }
 141
 142 static bool options_parse(int argc, char **argv) {
 143     bool argend = false;
 144     size_t itr;
 145     char  buffer[1024];
 146     char *redirout    = NULL;
 147     char *redirerr    = NULL;
 148     char *config      = NULL;
 149     char *memdumpcols = NULL;
 150
 151     while (!argend && argc > 1) {
 152         char *argarg;
 153         argitem item;
 154         ppitem  macro;
 155
 156         ++argv;
 157         --argc;
 158
 159         if (argv[0][0] == '-') {
 160             /* All gcc-type long options */
 161             if (options_long_gcc("std", &argc, &argv, &argarg)) {
 162                 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
 163
 164                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,          true);
 165                     opts_set(opts.flags, CORRECT_LOGIC,                 true);
 166                     opts_set(opts.flags, SHORT_LOGIC,                   true);
 167                     opts_set(opts.flags, UNTYPED_NIL,                   true);
 168                     opts_set(opts.flags, VARIADIC_ARGS,                 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                     opts_set(opts.flags,  EXPRESSIONS_FOR_BUILTINS,     true);
 177                     opts_set(opts.warn,   WARN_BREAKDEF,                true);
 178
 179
 180
 181                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_GMQCC;
 182
 183                 } else if (!strcmp(argarg, "qcc")) {
 184
 185                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 186                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
 187
 188                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCC;
 189
 190                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
 191
 192                     opts_set(opts.flags, FTEPP,                    true);
 193                     opts_set(opts.flags, TRANSLATABLE_STRINGS,     true);
 194                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,     false);
 195                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES,    true);
 196                     opts_set(opts.flags, CORRECT_TERNARY,          false);
 197                     opts_set(opts.warn, WARN_TERNARY_PRECEDENCE,   true);
 198                     opts_set(opts.warn, WARN_BREAKDEF,             true);
 199
 200                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_FTEQCC;
 201
 202                 } else if (!strcmp(argarg, "qccx")) {
 203
 204                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 205                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCCX;
 206
 207                 } else {
 208                     con_out("Unknown standard: %s\n", argarg);
 209                     return false;
 210                 }
 211                 continue;
 212             }
 213             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
 214
 215                 OPTS_OPTION_BOOL(OPTION_FORCECRC)   = true;
 216                 OPTS_OPTION_U16 (OPTION_FORCED_CRC) = strtol(argarg, NULL, 0);
 217                 continue;
 218             }
 219             if (options_long_gcc("jobs", &argc, &argv, &argarg)) {
 220
 221                 OPTS_OPTION_U32 (OPTION_J) = strtol(argarg, NULL, 0);
 222                 continue;
 223             }
 224             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
 225                 con_change(redirout, redirerr);
 226                 continue;
 227             }
 228             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
 229                 con_change(redirout, redirerr);
 230                 continue;
 231             }
 232             if (options_long_gcc("config", &argc, &argv, &argarg)) {
 233                 config = argarg;
 234                 continue;
 235             }
 236             if (options_long_gcc("memdumpcols", &argc, &argv, &memdumpcols)) {
 237                 OPTS_OPTION_U16(OPTION_MEMDUMPCOLS) = (uint16_t)strtol(memdumpcols, NULL, 10);
 238                 continue;
 239             }
 240             if (options_long_gcc("progsrc", &argc, &argv, &argarg)) {
 241                 OPTS_OPTION_STR(OPTION_PROGSRC) = argarg;
 242                 continue;
 243             }
 244
 245             /* show defaults (like pathscale) */
 246             if (!strcmp(argv[0]+1, "show-defaults")) {
 247                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 248                     if (!OPTS_FLAG(itr))
 249                         continue;
 250
 251                     memset(buffer, 0, sizeof(buffer));
 252                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
 253
 254                     con_out("-f%s ", buffer);
 255                 }
 256                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 257                     if (!OPTS_WARN(itr))
 258                         continue;
 259
 260                     memset(buffer, 0, sizeof(buffer));
 261                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
 262                     con_out("-W%s ", buffer);
 263                 }
 264                 con_out("\n");
 265                 exit(0);
 266             }
 267
 268             if (!strcmp(argv[0]+1, "debug")) {
 269                 OPTS_OPTION_BOOL(OPTION_DEBUG) = true;
 270                 continue;
 271             }
 272             if (!strcmp(argv[0]+1, "dump")) {
 273                 OPTS_OPTION_BOOL(OPTION_DUMP)  = true;
 274                 continue;
 275             }
 276             if (!strcmp(argv[0]+1, "dumpfin")) {
 277                 OPTS_OPTION_BOOL(OPTION_DUMPFIN) = true;
 278                 continue;
 279             }
 280             if (!strcmp(argv[0]+1, "memchk")) {
 281                 OPTS_OPTION_BOOL(OPTION_MEMCHK) = true;
 282                 continue;
 283             }
 284             if (!strcmp(argv[0]+1, "nocolor")) {
 285                 con_color(0);
 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 'j':
 477                     if (!options_witharg(&argc, &argv, &argarg)) {
 478                         con_out("option -j requires a parameter\n");
 479                         return false;
 480                     }
 481                     OPTS_OPTION_U32 (OPTION_J) = strtol(argarg, NULL, 0);
 482                     break;
 483
 484                 case '-':
 485                     if (!argv[0][2]) {
 486                         /* anything following -- is considered a non-option argument */
 487                         argend = true;
 488                         break;
 489                     }
 490             /* All long options without arguments */
 491                     else if (!strcmp(argv[0]+2, "help")) {
 492                         usage();
 493                         exit(0);
 494                     }
 495                     else if (!strcmp(argv[0]+2, "version")) {
 496                         version();
 497                         exit(0);
 498                     }
 499                     else if (!strcmp(argv[0]+2, "quiet")) {
 500                         OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 501                         break;
 502                     }
 503                     else if (!strcmp(argv[0]+2, "correct")) {
 504                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = true;
 505                         break;
 506                     }
 507                     else if (!strcmp(argv[0]+2, "no-correct")) {
 508                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = false;
 509                         break;
 510                     }
 511                     else if (!strcmp(argv[0]+2, "add-info")) {
 512                         OPTS_OPTION_BOOL(OPTION_ADD_INFO) = true;
 513                         break;
 514                     }
 515                     else {
 516             /* All long options with arguments */
 517                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
 518                             OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 519                             opts_output_wasset = true;
 520                         } else {
 521                             con_out("Unknown parameter: %s\n", argv[0]);
 522                             return false;
 523                         }
 524                     }
 525                     break;
 526
 527                 default:
 528                     con_out("Unknown parameter: %s\n", argv[0]);
 529                     return false;
 530             }
 531         }
 532         else
 533         {
 534             /* it's a QC filename */
 535             item.filename = argv[0];
 536             item.type     = TYPE_QC;
 537             vec_push(items, item);
 538         }
 539     }
 540     opts_ini_init(config);
 541     return true;
 542 }
 543
 544 /* returns the line number, or -1 on error */
 545 static bool progs_nextline(char **out, size_t *alen, fs_file_t *src) {
 546     int    len;
 547     char  *line;
 548     char  *start;
 549     char  *end;
 550
 551     line = *out;
 552     len  = fs_file_getline(&line, alen, src);
 553     if (len == -1)
 554         return false;
 555
 556     /* start at first non-blank */
 557     for (start = line; util_isspace(*start); ++start) {}
 558     /* end at the first non-blank */
 559     for (end = start; *end && !util_isspace(*end);  ++end)   {}
 560
 561     *out = line;
 562     /* move the actual filename to the beginning */
 563     while (start != end) {
 564         *line++ = *start++;
 565     }
 566     *line = 0;
 567     return true;
 568 }
 569
 570 int main(int argc, char **argv) {
 571     size_t          itr;
 572     int             retval           = 0;
 573     bool            operators_free   = false;
 574     bool            progs_src        = false;
 575     fs_file_t       *outfile         = NULL;
 576     struct parser_s *parser          = NULL;
 577     struct ftepp_s  *ftepp           = NULL;
 578
 579     app_name = argv[0];
 580     con_init ();
 581     opts_init("progs.dat", COMPILER_QCC, (1024 << 3));
 582
 583     util_seed(time(0));
 584
 585     if (!options_parse(argc, argv)) {
 586         return usage();
 587     }
 588
 589     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
 590         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
 591         exit(EXIT_FAILURE);
 592     }
 593
 594     /* the standard decides which set of operators to use */
 595     if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
 596         operators      = c_operators;
 597         operator_count = GMQCC_ARRAY_COUNT(c_operators);
 598     } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
 599         operators      = fte_operators;
 600         operator_count = GMQCC_ARRAY_COUNT(fte_operators);
 601     } else {
 602         operators      = qcc_operators;
 603         operator_count = GMQCC_ARRAY_COUNT(qcc_operators);
 604     }
 605
 606     if (operators == fte_operators) {
 607         /* fix ternary? */
 608         if (OPTS_FLAG(CORRECT_TERNARY)) {
 609             oper_info *newops;
 610             if (operators[operator_count-2].id != opid1(',') ||
 611                 operators[operator_count-1].id != opid2(':','?'))
 612             {
 613                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
 614                 exit(EXIT_FAILURE);
 615             }
 616             operators_free = true;
 617             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
 618             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
 619             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
 620             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
 621             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
 622             operators = newops;
 623         }
 624     }
 625
 626     if (OPTS_OPTION_BOOL(OPTION_DUMP)) {
 627         for (itr = 0; itr < COUNT_FLAGS; ++itr)
 628             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
 629         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
 630             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
 631
 632         con_out("output             = %s\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 633         con_out("optimization level = %u\n", OPTS_OPTION_U32(OPTION_O));
 634         con_out("standard           = %u\n", OPTS_OPTION_U32(OPTION_STANDARD));
 635     }
 636
 637     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 638         if (opts_output_wasset) {
 639             outfile = fs_file_open(OPTS_OPTION_STR(OPTION_OUTPUT), "wb");
 640             if (!outfile) {
 641                 con_err("failed to open `%s` for writing\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 642                 retval = 1;
 643                 goto cleanup;
 644             }
 645         }
 646         else {
 647             outfile = con_default_out();
 648         }
 649     }
 650
 651     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 652         if (!(parser = parser_create())) {
 653             con_err("failed to initialize parser\n");
 654             retval = 1;
 655             goto cleanup;
 656         }
 657     }
 658
 659     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 660         if (!(ftepp = ftepp_create())) {
 661             con_err("failed to initialize parser\n");
 662             retval = 1;
 663             goto cleanup;
 664         }
 665     }
 666
 667     /* add macros */
 668     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 669         for (itr = 0; itr < vec_size(ppems); itr++) {
 670             ftepp_add_macro(ftepp, ppems[itr].name, ppems[itr].value);
 671             mem_d(ppems[itr].name);
 672
 673             /* can be null */
 674             if (ppems[itr].value)
 675                 mem_d(ppems[itr].value);
 676         }
 677     }
 678
 679     if (!vec_size(items)) {
 680         fs_file_t *src;
 681         char      *line    = NULL;
 682         size_t     linelen = 0;
 683         bool       hasline = false;
 684
 685         progs_src = true;
 686
 687         src = fs_file_open(OPTS_OPTION_STR(OPTION_PROGSRC), "rb");
 688         if (!src) {
 689             con_err("failed to open `%s` for reading\n", OPTS_OPTION_STR(OPTION_PROGSRC));
 690             retval = 1;
 691             goto cleanup;
 692         }
 693
 694         while (progs_nextline(&line, &linelen, src)) {
 695             argitem item;
 696
 697             if (!line[0] || (line[0] == '/' && line[1] == '/'))
 698                 continue;
 699
 700             if (hasline) {
 701                 item.filename = util_strdup(line);
 702                 item.type     = TYPE_QC;
 703                 vec_push(items, item);
 704             } else if (!opts_output_wasset) {
 705                 OPTS_OPTION_DUP(OPTION_OUTPUT) = util_strdup(line);
 706                 hasline                        = true;
 707             }
 708         }
 709
 710         fs_file_close(src);
 711         mem_d(line);
 712     }
 713
 714     if (vec_size(items)) {
 715         if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 716             !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 717         {
 718             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
 719             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
 720         }
 721
 722         for (itr = 0; itr < vec_size(items); ++itr) {
 723             if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 724                 !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 725             {
 726                 con_out("  item: %s (%s)\n",
 727                        items[itr].filename,
 728                        ( (items[itr].type == TYPE_QC ? "qc" :
 729                          (items[itr].type == TYPE_ASM ? "asm" :
 730                          (items[itr].type == TYPE_SRC ? "progs.src" :
 731                          ("unknown"))))));
 732             }
 733
 734             if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 735                 const char *out;
 736                 if (!ftepp_preprocess_file(ftepp, items[itr].filename)) {
 737                     retval = 1;
 738                     goto cleanup;
 739                 }
 740                 out = ftepp_get(ftepp);
 741                 if (out)
 742                     fs_file_printf(outfile, "%s", out);
 743                 ftepp_flush(ftepp);
 744             }
 745             else {
 746                 if (OPTS_FLAG(FTEPP)) {
 747                     const char *data;
 748                     if (!ftepp_preprocess_file(ftepp, items[itr].filename)) {
 749                         retval = 1;
 750                         goto cleanup;
 751                     }
 752                     data = ftepp_get(ftepp);
 753                     if (vec_size(data)) {
 754                         if (!parser_compile_string(parser, items[itr].filename, data, vec_size(data))) {
 755                             retval = 1;
 756                             goto cleanup;
 757                         }
 758                     }
 759                     ftepp_flush(ftepp);
 760                 }
 761                 else {
 762                     if (!parser_compile_file(parser, items[itr].filename)) {
 763                         retval = 1;
 764                         goto cleanup;
 765                     }
 766                 }
 767             }
 768
 769             if (progs_src) {
 770                 mem_d(items[itr].filename);
 771                 items[itr].filename = NULL;
 772             }
 773         }
 774
 775         ftepp_finish(ftepp);
 776         ftepp = NULL;
 777         if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 778             if (!parser_finish(parser, OPTS_OPTION_STR(OPTION_OUTPUT))) {
 779                 retval = 1;
 780                 goto cleanup;
 781             }
 782         }
 783     }
 784
 785 cleanup:
 786     if (ftepp)
 787         ftepp_finish(ftepp);
 788     con_close();
 789     vec_free(items);
 790     vec_free(ppems);
 791
 792     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 793         if(parser) parser_cleanup(parser);
 794
 795     /* free allocated option strings */
 796     for (itr = 0; itr < OPTION_COUNT; itr++)
 797         if (OPTS_OPTION_DUPED(itr))
 798             mem_d(OPTS_OPTION_STR(itr));
 799
 800     if (operators_free)
 801         mem_d((void*)operators);
 802
 803     lex_cleanup();
 804     stat_info();
 805
 806     if (!retval && compile_errors)
 807         retval = 1;
 808     return retval;
 809 }