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 <time.h>
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <ctype.h>
  29
  30
  31 #include "gmqcc.h"
  32 #include "lexer.h"
  33
  34 /* TODO: cleanup this whole file .. it's a fuckign mess */
  35
  36 /* set by the standard */
  37 const oper_info *operators      = NULL;
  38 size_t           operator_count = 0;
  39 static bool      opts_output_wasset = false;
  40
  41 typedef struct { char *filename; int   type;  } argitem;
  42 typedef struct { char *name;     char *value; } ppitem;
  43 static argitem *items = NULL;
  44 static ppitem  *ppems = NULL;
  45
  46 #define TYPE_QC  0
  47 #define TYPE_ASM 1
  48 #define TYPE_SRC 2
  49
  50
  51 static const char *app_name;
  52
  53 static void version(void) {
  54     con_out("GMQCC %d.%d.%d Built %s %s\n" GMQCC_DEV_VERSION_STRING,
  55         GMQCC_VERSION_MAJOR,
  56         GMQCC_VERSION_MINOR,
  57         GMQCC_VERSION_PATCH,
  58         __DATE__,
  59         __TIME__
  60     );
  61 }
  62
  63 static int usage(void) {
  64     con_out("usage: %s [options] [files...]", app_name);
  65     con_out("options:\n"
  66             "  -h, --help             show this help message\n"
  67             "  -debug                 turns on compiler debug messages\n"
  68             "  -memchk                turns on compiler memory leak check\n");
  69     con_out("  -o, --output=file      output file, defaults to progs.dat\n"
  70             "  -s filename            add a progs.src file to be used\n");
  71     con_out("  -E                     stop after preprocessing\n");
  72     con_out("  -q, --quiet            be less verbose\n");
  73     con_out("  -config file           use the specified ini file\n");
  74     con_out("  -std=standard          select one of the following standards\n"
  75             "       -std=qcc          original QuakeC\n"
  76             "       -std=fteqcc       fteqcc QuakeC\n"
  77             "       -std=hcode        hexgen2 QuakeC\n"
  78             "       -std=gmqcc        this compiler (default)\n");
  79     con_out("  -f<flag>               enable a flag\n"
  80             "  -fno-<flag>            disable a flag\n"
  81             "  -fhelp                 list possible flags\n");
  82     con_out("  -W<warning>            enable a warning\n"
  83             "  -Wno-<warning>         disable a warning\n"
  84             "  -Wall                  enable all warnings\n");
  85     con_out("  -Werror                treat warnings as errors\n"
  86             "  -Werror-<warning>      treat a warning as error\n"
  87             "  -Wno-error-<warning>   opposite of the above\n");
  88     con_out("  -Whelp                 list possible warnings\n");
  89     con_out("  -O<number>             optimization level\n"
  90             "  -O<name>               enable specific optimization\n"
  91             "  -Ono-<name>            disable specific optimization\n"
  92             "  -Ohelp                 list optimizations\n");
  93     con_out("  -force-crc=num         force a specific checksum into the header\n");
  94     return -1;
  95 }
  96
  97 /* command line parsing */
  98 static bool options_witharg(int *argc_, char ***argv_, char **out) {
  99     int  argc   = *argc_;
 100     char **argv = *argv_;
 101
 102     if (argv[0][2]) {
 103         *out = argv[0]+2;
 104         return true;
 105     }
 106     /* eat up the next */
 107     if (argc < 2) /* no parameter was provided */
 108         return false;
 109
 110     *out = argv[1];
 111     --*argc_;
 112     ++*argv_;
 113     return true;
 114 }
 115
 116 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
 117     int  argc   = *argc_;
 118     char **argv = *argv_;
 119
 120     size_t len = strlen(optname);
 121
 122     if (strncmp(argv[0]+ds, optname, len))
 123         return false;
 124
 125     /* it's --optname, check how the parameter is supplied */
 126     if (argv[0][ds+len] == '=') {
 127         /* using --opt=param */
 128         *out = argv[0]+ds+len+1;
 129         return true;
 130     }
 131
 132     if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
 133         return false;
 134
 135     /* using --opt param */
 136     *out = argv[1];
 137     --*argc_;
 138     ++*argv_;
 139     return true;
 140 }
 141 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
 142     return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
 143 }
 144 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
 145     return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
 146 }
 147
 148 static bool options_parse(int argc, char **argv) {
 149     bool argend = false;
 150     size_t itr;
 151     char  buffer[1024];
 152     char *redirout    = NULL;
 153     char *redirerr    = NULL;
 154     char *config      = NULL;
 155     char *memdumpcols = NULL;
 156
 157     while (!argend && argc > 1) {
 158         char *argarg;
 159         argitem item;
 160         ppitem  macro;
 161
 162         ++argv;
 163         --argc;
 164
 165         if (argv[0][0] == '-') {
 166             /* All gcc-type long options */
 167             if (options_long_gcc("std", &argc, &argv, &argarg)) {
 168                 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
 169
 170                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,          true);
 171                     opts_set(opts.flags, CORRECT_LOGIC,                 true);
 172                     opts_set(opts.flags, FALSE_EMPTY_STRINGS,           false);
 173                     opts_set(opts.flags, TRUE_EMPTY_STRINGS,            true);
 174                     opts_set(opts.flags, LOOP_LABELS,                   true);
 175                     opts_set(opts.flags, TRANSLATABLE_STRINGS,          true);
 176                     opts_set(opts.flags, INITIALIZED_NONCONSTANTS,      true);
 177                     opts_set(opts.werror, WARN_INVALID_PARAMETER_COUNT, true);
 178                     opts_set(opts.werror, WARN_MISSING_RETURN_VALUES,   true);
 179                     opts_set(opts.flags,  EXPRESSIONS_FOR_BUILTINS,     true);
 180
 181
 182                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_GMQCC;
 183                     OPTS_OPTION_BOOL(OPTION_STATISTICS) = true;
 184
 185                 } else if (!strcmp(argarg, "qcc")) {
 186
 187                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 188                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
 189
 190                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCC;
 191
 192                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
 193
 194                     opts_set(opts.flags, FTEPP,                    true);
 195                     opts_set(opts.flags, TRANSLATABLE_STRINGS,     true);
 196                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,     false);
 197                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES,    true);
 198                     opts_set(opts.flags, CORRECT_TERNARY,          false);
 199                     opts_set(opts.warn, WARN_TERNARY_PRECEDENCE,   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 if (!strcmp(argarg, "hcode")) {
 209
 210                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 211                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
 212
 213                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_HCODE;
 214                 } else {
 215                     con_out("Unknown standard: %s\n", argarg);
 216                     return false;
 217                 }
 218                 continue;
 219             }
 220             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
 221
 222                 OPTS_OPTION_BOOL(OPTION_FORCECRC)   = true;
 223                 OPTS_OPTION_U16 (OPTION_FORCED_CRC) = strtol(argarg, NULL, 0);
 224                 continue;
 225             }
 226             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
 227                 con_change(redirout, redirerr);
 228                 continue;
 229             }
 230             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
 231                 con_change(redirout, redirerr);
 232                 continue;
 233             }
 234             if (options_long_gcc("config", &argc, &argv, &argarg)) {
 235                 config = argarg;
 236                 continue;
 237             }
 238             if (options_long_gcc("memdumpcols", &argc, &argv, &memdumpcols)) {
 239                 OPTS_OPTION_U16(OPTION_MEMDUMPCOLS) = (uint16_t)strtol(memdumpcols, NULL, 10);
 240                 continue;
 241             }
 242
 243             /* show defaults (like pathscale) */
 244             if (!strcmp(argv[0]+1, "show-defaults")) {
 245                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 246                     if (!OPTS_FLAG(itr))
 247                         continue;
 248
 249                     memset(buffer, 0, sizeof(buffer));
 250                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
 251
 252                     con_out("-f%s ", buffer);
 253                 }
 254                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 255                     if (!OPTS_WARN(itr))
 256                         continue;
 257
 258                     memset(buffer, 0, sizeof(buffer));
 259                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
 260                     con_out("-W%s ", buffer);
 261                 }
 262                 con_out("\n");
 263                 exit(0);
 264             }
 265
 266             if (!strcmp(argv[0]+1, "debug")) {
 267                 OPTS_OPTION_BOOL(OPTION_DEBUG) = true;
 268                 continue;
 269             }
 270             if (!strcmp(argv[0]+1, "dump")) {
 271                 OPTS_OPTION_BOOL(OPTION_DUMP)  = true;
 272                 continue;
 273             }
 274             if (!strcmp(argv[0]+1, "dumpfin")) {
 275                 OPTS_OPTION_BOOL(OPTION_DUMPFIN) = true;
 276                 continue;
 277             }
 278             if (!strcmp(argv[0]+1, "memchk")) {
 279                 OPTS_OPTION_BOOL(OPTION_MEMCHK) = true;
 280                 continue;
 281             }
 282             if (!strcmp(argv[0]+1, "nocolor")) {
 283                 con_color(0);
 284                 continue;
 285             }
 286
 287             switch (argv[0][1]) {
 288                 /* -h, show usage but exit with 0 */
 289                 case 'h':
 290                     usage();
 291                     exit(0);
 292                     /* break; never reached because of exit(0) */
 293
 294                 case 'v':
 295                     version();
 296                     exit(0);
 297
 298                 case 'E':
 299                     OPTS_OPTION_BOOL(OPTION_PP_ONLY) = true;
 300                     opts_set(opts.flags, FTEPP_PREDEFS, true); /* predefs on for -E */
 301                     break;
 302
 303                 /* debug turns on -flno */
 304                 case 'g':
 305                     opts_setflag("LNO", true);
 306                     OPTS_OPTION_BOOL(OPTION_G) = true;
 307                     break;
 308
 309                 case 'q':
 310                     OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 311                     break;
 312
 313                 case 'D':
 314                     if (!strlen(argv[0]+2)) {
 315                         con_err("expected name after -D\n");
 316                         exit(0);
 317                     }
 318
 319                     if (!(argarg = strchr(argv[0] + 2, '='))) {
 320                         macro.name  = util_strdup(argv[0]+2);
 321                         macro.value = NULL;
 322                     } else {
 323                         *argarg='\0'; /* terminate for name */
 324                         macro.name  = util_strdup(argv[0]+2);
 325                         macro.value = util_strdup(argarg+1);
 326                     }
 327                     vec_push(ppems, macro);
 328                     break;
 329
 330                 /* handle all -fflags */
 331                 case 'f':
 332                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 333                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 334                         con_out("Possible flags:\n\n");
 335                         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 336                             util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
 337                             con_out(" -f%s\n", buffer);
 338                         }
 339                         exit(0);
 340                     }
 341                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 342                         if (!opts_setflag(argv[0]+5, false)) {
 343                             con_out("unknown flag: %s\n", argv[0]+2);
 344                             return false;
 345                         }
 346                     }
 347                     else if (!opts_setflag(argv[0]+2, true)) {
 348                         con_out("unknown flag: %s\n", argv[0]+2);
 349                         return false;
 350                     }
 351                     break;
 352                 case 'W':
 353                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 354                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 355                         con_out("Possible warnings:\n");
 356                         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 357                             util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
 358                             con_out(" -W%s\n", buffer);
 359                             if (itr == WARN_DEBUG)
 360                                 con_out("   Warnings included by -Wall:\n");
 361                         }
 362                         exit(0);
 363                     }
 364                     else if (!strcmp(argv[0]+2, "NO_ERROR") ||
 365                              !strcmp(argv[0]+2, "NO_ERROR_ALL"))
 366                     {
 367                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 368                             opts.werror[itr] = 0;
 369                         break;
 370                     }
 371                     else if (!strcmp(argv[0]+2, "ERROR") ||
 372                              !strcmp(argv[0]+2, "ERROR_ALL"))
 373                     {
 374                         opts_backup_non_Werror_all();
 375                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 376                             opts.werror[itr] = 0xFFFFFFFFL;
 377                         opts_restore_non_Werror_all();
 378                         break;
 379                     }
 380                     else if (!strcmp(argv[0]+2, "NONE")) {
 381                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 382                             opts.warn[itr] = 0;
 383                         break;
 384                     }
 385                     else if (!strcmp(argv[0]+2, "ALL")) {
 386                         opts_backup_non_Wall();
 387                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 388                             opts.warn[itr] = 0xFFFFFFFFL;
 389                         opts_restore_non_Wall();
 390                         break;
 391                     }
 392                     else if (!strncmp(argv[0]+2, "ERROR_", 6)) {
 393                         if (!opts_setwerror(argv[0]+8, true)) {
 394                             con_out("unknown warning: %s\n", argv[0]+2);
 395                             return false;
 396                         }
 397                     }
 398                     else if (!strncmp(argv[0]+2, "NO_ERROR_", 9)) {
 399                         if (!opts_setwerror(argv[0]+11, false)) {
 400                             con_out("unknown warning: %s\n", argv[0]+2);
 401                             return false;
 402                         }
 403                     }
 404                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 405                         if (!opts_setwarn(argv[0]+5, false)) {
 406                             con_out("unknown warning: %s\n", argv[0]+2);
 407                             return false;
 408                         }
 409                     }
 410                     else if (!opts_setwarn(argv[0]+2, true)) {
 411                         con_out("unknown warning: %s\n", argv[0]+2);
 412                         return false;
 413                     }
 414                     break;
 415
 416                 case 'O':
 417                     if (!options_witharg(&argc, &argv, &argarg)) {
 418                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
 419                         return false;
 420                     }
 421                     if (isdigit(argarg[0])) {
 422                         uint32_t val = (uint32_t)strtol(argarg, NULL, 10);
 423                         OPTS_OPTION_U32(OPTION_O) = val;
 424                         opts_setoptimlevel(val);
 425                     } else {
 426                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
 427                         if (!strcmp(argarg, "HELP")) {
 428                             con_out("Possible optimizations:\n");
 429                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 430                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
 431                                 con_out(" -O%-20s (-O%u)\n", buffer, opts_opt_oflag[itr]);
 432                             }
 433                             exit(0);
 434                         }
 435                         else if (!strcmp(argarg, "ALL"))
 436                             opts_setoptimlevel(OPTS_OPTION_U32(OPTION_O) = 9999);
 437                         else if (!strncmp(argarg, "NO_", 3)) {
 438                             if (!opts_setoptim(argarg+3, false)) {
 439                                 con_out("unknown optimization: %s\n", argarg+3);
 440                                 return false;
 441                             }
 442                         }
 443                         else {
 444                             if (!opts_setoptim(argarg, true)) {
 445                                 con_out("unknown optimization: %s\n", argarg);
 446                                 return false;
 447                             }
 448                         }
 449                     }
 450                     break;
 451
 452                 case 'o':
 453                     if (!options_witharg(&argc, &argv, &argarg)) {
 454                         con_out("option -o requires an argument: the output file name\n");
 455                         return false;
 456                     }
 457                     OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 458                     opts_output_wasset = true;
 459                     break;
 460
 461                 case 'a':
 462                 case 's':
 463                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
 464                     if (!options_witharg(&argc, &argv, &argarg)) {
 465                         con_out("option -a requires a filename %s\n",
 466                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
 467                         return false;
 468                     }
 469                     item.filename = argarg;
 470                     vec_push(items, item);
 471                     break;
 472
 473                 case '-':
 474                     if (!argv[0][2]) {
 475                         /* anything following -- is considered a non-option argument */
 476                         argend = true;
 477                         break;
 478                     }
 479             /* All long options without arguments */
 480                     else if (!strcmp(argv[0]+2, "help")) {
 481                         usage();
 482                         exit(0);
 483                     }
 484                     else if (!strcmp(argv[0]+2, "version")) {
 485                         version();
 486                         exit(0);
 487                     }
 488                     else if (!strcmp(argv[0]+2, "quiet")) {
 489                         OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 490                         break;
 491                     }
 492                     else if (!strcmp(argv[0]+2, "correct")) {
 493                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = true;
 494                         break;
 495                     }
 496                     else if (!strcmp(argv[0]+2, "no-correct")) {
 497                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = false;
 498                         break;
 499                     }
 500                     else if (!strcmp(argv[0]+2, "add-info")) {
 501                         OPTS_OPTION_BOOL(OPTION_ADD_INFO) = true;
 502                         break;
 503                     }
 504                     else {
 505             /* All long options with arguments */
 506                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
 507                             OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 508                             opts_output_wasset = true;
 509                         } else {
 510                             con_out("Unknown parameter: %s\n", argv[0]);
 511                             return false;
 512                         }
 513                     }
 514                     break;
 515
 516                 default:
 517                     con_out("Unknown parameter: %s\n", argv[0]);
 518                     return false;
 519             }
 520         }
 521         else
 522         {
 523             /* it's a QC filename */
 524             item.filename = argv[0];
 525             item.type     = TYPE_QC;
 526             vec_push(items, item);
 527         }
 528     }
 529     opts_ini_init(config);
 530     return true;
 531 }
 532
 533 /* returns the line number, or -1 on error */
 534 static bool progs_nextline(char **out, size_t *alen,FILE *src) {
 535     int    len;
 536     char  *line;
 537     char  *start;
 538     char  *end;
 539
 540     line = *out;
 541     len  = fs_file_getline(&line, alen, src);
 542     if (len == -1)
 543         return false;
 544
 545     /* start at first non-blank */
 546     for (start = line; isspace(*start); ++start) {}
 547     /* end at the first non-blank */
 548     for (end = start;  *end && !isspace(*end);  ++end)   {}
 549
 550     *out = line;
 551     /* move the actual filename to the beginning */
 552     while (start != end) {
 553         *line++ = *start++;
 554     }
 555     *line = 0;
 556     return true;
 557 }
 558
 559 int main(int argc, char **argv) {
 560     size_t          itr;
 561     int             retval           = 0;
 562     bool            opts_output_free = false;
 563     bool            operators_free   = false;
 564     bool            progs_src        = false;
 565     FILE            *outfile         = NULL;
 566     struct parser_s *parser          = NULL;
 567     struct ftepp_s  *ftepp           = NULL;
 568
 569     app_name = argv[0];
 570     con_init ();
 571     opts_init("progs.dat", COMPILER_GMQCC, (1024 << 3));
 572
 573     util_seed(time(0));
 574
 575     if (!options_parse(argc, argv)) {
 576         return usage();
 577     }
 578
 579     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
 580         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
 581         exit(EXIT_FAILURE);
 582     }
 583
 584     /* the standard decides which set of operators to use */
 585     if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
 586         operators      = c_operators;
 587         operator_count = c_operator_count;
 588     } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
 589         operators      = fte_operators;
 590         operator_count = fte_operator_count;
 591     } else {
 592         operators      = qcc_operators;
 593         operator_count = qcc_operator_count;
 594     }
 595
 596     if (operators == fte_operators) {
 597         /* fix ternary? */
 598         if (OPTS_FLAG(CORRECT_TERNARY)) {
 599             oper_info *newops;
 600             if (operators[operator_count-2].id != opid1(',') ||
 601                 operators[operator_count-1].id != opid2(':','?'))
 602             {
 603                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
 604                 exit(EXIT_FAILURE);
 605             }
 606             operators_free = true;
 607             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
 608             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
 609             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
 610             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
 611             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
 612             operators = newops;
 613         }
 614     }
 615
 616     if (OPTS_OPTION_BOOL(OPTION_DUMP)) {
 617         for (itr = 0; itr < COUNT_FLAGS; ++itr)
 618             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
 619         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
 620             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
 621
 622         con_out("output             = %s\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 623         con_out("optimization level = %u\n", OPTS_OPTION_U32(OPTION_O));
 624         con_out("standard           = %u\n", OPTS_OPTION_U32(OPTION_STANDARD));
 625     }
 626
 627     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 628         if (opts_output_wasset) {
 629             outfile = fs_file_open(OPTS_OPTION_STR(OPTION_OUTPUT), "wb");
 630             if (!outfile) {
 631                 con_err("failed to open `%s` for writing\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 632                 retval = 1;
 633                 goto cleanup;
 634             }
 635         }
 636         else {
 637             outfile = con_default_out();
 638         }
 639     }
 640
 641     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 642         if (!(parser = parser_create())) {
 643             con_err("failed to initialize parser\n");
 644             retval = 1;
 645             goto cleanup;
 646         }
 647     }
 648
 649     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 650         if (!(ftepp = ftepp_create())) {
 651             con_err("failed to initialize parser\n");
 652             retval = 1;
 653             goto cleanup;
 654         }
 655     }
 656
 657     util_debug("COM", "starting ...\n");
 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         FILE *src;
 673         char *line;
 674         size_t linelen = 0;
 675
 676         progs_src = true;
 677
 678         src = fs_file_open("progs.src", "rb");
 679         if (!src) {
 680             con_err("failed to open `progs.src` for reading\n");
 681             retval = 1;
 682             goto cleanup;
 683         }
 684
 685         line = NULL;
 686         if (!progs_nextline(&line, &linelen, src) || !line[0]) {
 687             con_err("illformatted progs.src file: expected output filename in first line\n");
 688             retval = 1;
 689             goto srcdone;
 690         }
 691
 692         if (!opts_output_wasset) {
 693             OPTS_OPTION_STR(OPTION_OUTPUT) = util_strdup(line);
 694             opts_output_free = true;
 695         }
 696
 697         while (progs_nextline(&line, &linelen, src)) {
 698             argitem item;
 699             if (!line[0] || (line[0] == '/' && line[1] == '/'))
 700                 continue;
 701             item.filename = util_strdup(line);
 702             item.type     = TYPE_QC;
 703             vec_push(items, item);
 704         }
 705
 706 srcdone:
 707         fs_file_close(src);
 708         mem_d(line);
 709     }
 710
 711     if (retval)
 712         goto cleanup;
 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     /* stuff */
 786     if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 787         !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 788     {
 789         for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 790             if (opts_optimizationcount[itr]) {
 791                 con_out("%s: %u\n", opts_opt_list[itr].name, (unsigned int)opts_optimizationcount[itr]);
 792             }
 793         }
 794     }
 795
 796 cleanup:
 797     util_debug("COM", "cleaning ...\n");
 798     if (ftepp)
 799         ftepp_finish(ftepp);
 800     con_close();
 801     vec_free(items);
 802     vec_free(ppems);
 803
 804     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 805         parser_cleanup(parser);
 806     if (opts_output_free)
 807         mem_d(OPTS_OPTION_STR(OPTION_OUTPUT));
 808     if (operators_free)
 809         mem_d((void*)operators);
 810
 811     lex_cleanup();
 812     stat_info();
 813
 814     return retval;
 815 }