main.c

   1 /*
   2  * Copyright (C) 2012, 2013
   3  *     Dale Weiler
   4  *     Wolfgang Bumiller
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy of
   7  * this software and associated documentation files (the "Software"), to deal in
   8  * the Software without restriction, including without limitation the rights to
   9  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  10  * of the Software, and to permit persons to whom the Software is furnished to do
  11  * so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in all
  14  * copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  */
  24 #include "gmqcc.h"
  25 #include "lexer.h"
  26 #include <time.h>
  27
  28 /* TODO: cleanup this whole file .. it's a fuckign mess */
  29
  30 /* set by the standard */
  31 const oper_info *operators      = NULL;
  32 size_t           operator_count = 0;
  33 static bool      opts_output_wasset = false;
  34
  35 typedef struct { char *filename; int   type;  } argitem;
  36 typedef struct { char *name;     char *value; } ppitem;
  37 static argitem *items = NULL;
  38 static ppitem  *ppems = NULL;
  39
  40 #define TYPE_QC  0
  41 #define TYPE_ASM 1
  42 #define TYPE_SRC 2
  43
  44 static const char *app_name;
  45
  46 static void version() {
  47     con_out("GMQCC %d.%d.%d Built %s %s\n",
  48         GMQCC_VERSION_MAJOR,
  49         GMQCC_VERSION_MINOR,
  50         GMQCC_VERSION_PATCH,
  51         __DATE__,
  52         __TIME__
  53     );
  54 #ifdef GMQCC_GITINFO
  55     con_out("git build: %s\n", GMQCC_GITINFO);
  56 #elif defined(GMQCC_VERION_TYPE_DEVEL)
  57     con_out("development build\n");
  58 #endif
  59 }
  60
  61 static int usage() {
  62     con_out("usage: %s [options] [files...]", app_name);
  63     con_out("options:\n"
  64             "  -h, --help             show this help message\n"
  65             "  -debug                 turns on compiler debug messages\n"
  66             "  -memchk                turns on compiler memory leak check\n");
  67     con_out("  -o, --output=file      output file, defaults to progs.dat\n"
  68             "  -s filename            add a progs.src file to be used\n");
  69     con_out("  -E                     stop after preprocessing\n");
  70     con_out("  -q, --quiet            be less verbose\n");
  71     con_out("  -config file           use the specified ini file\n");
  72     con_out("  -std=standard          select one of the following standards\n"
  73             "       -std=qcc          original QuakeC\n"
  74             "       -std=fteqcc       fteqcc QuakeC\n"
  75             "       -std=gmqcc        this compiler (default)\n");
  76     con_out("  -f<flag>               enable a flag\n"
  77             "  -fno-<flag>            disable a flag\n"
  78             "  -fhelp                 list possible flags\n");
  79     con_out("  -W<warning>            enable a warning\n"
  80             "  -Wno-<warning>         disable a warning\n"
  81             "  -Wall                  enable all warnings\n");
  82     con_out("  -Werror                treat warnings as errors\n"
  83             "  -Werror-<warning>      treat a warning as error\n"
  84             "  -Wno-error-<warning>   opposite of the above\n");
  85     con_out("  -Whelp                 list possible warnings\n");
  86     con_out("  -O<number>             optimization level\n"
  87             "  -O<name>               enable specific optimization\n"
  88             "  -Ono-<name>            disable specific optimization\n"
  89             "  -Ohelp                 list optimizations\n");
  90     con_out("  -force-crc=num         force a specific checksum into the header\n");
  91     return -1;
  92 }
  93
  94 /* command line parsing */
  95 static bool options_witharg(int *argc_, char ***argv_, char **out) {
  96     int  argc   = *argc_;
  97     char **argv = *argv_;
  98
  99     if (argv[0][2]) {
 100         *out = argv[0]+2;
 101         return true;
 102     }
 103     /* eat up the next */
 104     if (argc < 2) /* no parameter was provided */
 105         return false;
 106
 107     *out = argv[1];
 108     --*argc_;
 109     ++*argv_;
 110     return true;
 111 }
 112
 113 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
 114     int  argc   = *argc_;
 115     char **argv = *argv_;
 116
 117     size_t len = strlen(optname);
 118
 119     if (strncmp(argv[0]+ds, optname, len))
 120         return false;
 121
 122     /* it's --optname, check how the parameter is supplied */
 123     if (argv[0][ds+len] == '=') {
 124         /* using --opt=param */
 125         *out = argv[0]+ds+len+1;
 126         return true;
 127     }
 128
 129     if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
 130         return false;
 131
 132     /* using --opt param */
 133     *out = argv[1];
 134     --*argc_;
 135     ++*argv_;
 136     return true;
 137 }
 138 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
 139     return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
 140 }
 141 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
 142     return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
 143 }
 144
 145 static bool options_parse(int argc, char **argv) {
 146     bool argend = false;
 147     size_t itr;
 148     char  buffer[1024];
 149     char *redirout    = NULL;
 150     char *redirerr    = NULL;
 151     char *config      = NULL;
 152     char *memdumpcols = NULL;
 153
 154     while (!argend && argc > 1) {
 155         char *argarg;
 156         argitem item;
 157         ppitem  macro;
 158
 159         ++argv;
 160         --argc;
 161
 162         if (argv[0][0] == '-') {
 163             /* All gcc-type long options */
 164             if (options_long_gcc("std", &argc, &argv, &argarg)) {
 165                 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
 166
 167                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,          true);
 168                     opts_set(opts.flags, CORRECT_LOGIC,                 true);
 169                     opts_set(opts.flags, FALSE_EMPTY_STRINGS,           false);
 170                     opts_set(opts.flags, TRUE_EMPTY_STRINGS,            true);
 171                     opts_set(opts.flags, LOOP_LABELS,                   true);
 172                     opts_set(opts.flags, TRANSLATABLE_STRINGS,          true);
 173                     opts_set(opts.flags, INITIALIZED_NONCONSTANTS,      true);
 174                     opts_set(opts.werror, WARN_INVALID_PARAMETER_COUNT, true);
 175                     opts_set(opts.werror, WARN_MISSING_RETURN_VALUES,   true);
 176                     opts_set(opts.flags,  EXPRESSIONS_FOR_BUILTINS,     true);
 177
 178
 179                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_GMQCC;
 180
 181                 } else if (!strcmp(argarg, "qcc")) {
 182
 183                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 184                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
 185
 186                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCC;
 187
 188                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
 189
 190                     opts_set(opts.flags, FTEPP,                    true);
 191                     opts_set(opts.flags, TRANSLATABLE_STRINGS,     true);
 192                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,     false);
 193                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES,    true);
 194                     opts_set(opts.flags, CORRECT_TERNARY,          false);
 195                     opts_set(opts.warn, WARN_TERNARY_PRECEDENCE,   true);
 196
 197                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_FTEQCC;
 198
 199                 } else if (!strcmp(argarg, "qccx")) {
 200
 201                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 202                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCCX;
 203
 204                 } else {
 205                     con_out("Unknown standard: %s\n", argarg);
 206                     return false;
 207                 }
 208                 continue;
 209             }
 210             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
 211
 212                 OPTS_OPTION_BOOL(OPTION_FORCECRC)   = true;
 213                 OPTS_OPTION_U16 (OPTION_FORCED_CRC) = strtol(argarg, NULL, 0);
 214                 continue;
 215             }
 216             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
 217                 con_change(redirout, redirerr);
 218                 continue;
 219             }
 220             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
 221                 con_change(redirout, redirerr);
 222                 continue;
 223             }
 224             if (options_long_gcc("config", &argc, &argv, &argarg)) {
 225                 config = argarg;
 226                 continue;
 227             }
 228             if (options_long_gcc("memdumpcols", &argc, &argv, &memdumpcols)) {
 229                 OPTS_OPTION_U16(OPTION_MEMDUMPCOLS) = (uint16_t)strtol(memdumpcols, NULL, 10);
 230                 continue;
 231             }
 232
 233             /* show defaults (like pathscale) */
 234             if (!strcmp(argv[0]+1, "show-defaults")) {
 235                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 236                     if (!OPTS_FLAG(itr))
 237                         continue;
 238
 239                     memset(buffer, 0, sizeof(buffer));
 240                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
 241
 242                     con_out("-f%s ", buffer);
 243                 }
 244                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 245                     if (!OPTS_WARN(itr))
 246                         continue;
 247
 248                     memset(buffer, 0, sizeof(buffer));
 249                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
 250                     con_out("-W%s ", buffer);
 251                 }
 252                 con_out("\n");
 253                 exit(0);
 254             }
 255
 256             if (!strcmp(argv[0]+1, "debug")) {
 257                 OPTS_OPTION_BOOL(OPTION_DEBUG) = true;
 258                 continue;
 259             }
 260             if (!strcmp(argv[0]+1, "dump")) {
 261                 OPTS_OPTION_BOOL(OPTION_DUMP)  = true;
 262                 continue;
 263             }
 264             if (!strcmp(argv[0]+1, "dumpfin")) {
 265                 OPTS_OPTION_BOOL(OPTION_DUMPFIN) = true;
 266                 continue;
 267             }
 268             if (!strcmp(argv[0]+1, "memchk")) {
 269                 OPTS_OPTION_BOOL(OPTION_MEMCHK) = true;
 270                 continue;
 271             }
 272             if (!strcmp(argv[0]+1, "nocolor")) {
 273                 con_color(0);
 274                 continue;
 275             }
 276
 277             switch (argv[0][1]) {
 278                 /* -h, show usage but exit with 0 */
 279                 case 'h':
 280                     usage();
 281                     exit(0);
 282                     /* break; never reached because of exit(0) */
 283
 284                 case 'v':
 285                     version();
 286                     exit(0);
 287
 288                 case 'E':
 289                     OPTS_OPTION_BOOL(OPTION_PP_ONLY) = true;
 290                     opts_set(opts.flags, FTEPP_PREDEFS, true); /* predefs on for -E */
 291                     break;
 292
 293                 /* debug turns on -flno */
 294                 case 'g':
 295                     opts_setflag("LNO", true);
 296                     OPTS_OPTION_BOOL(OPTION_G) = true;
 297                     break;
 298
 299                 case 'q':
 300                     OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 301                     break;
 302
 303                 case 'D':
 304                     if (!strlen(argv[0]+2)) {
 305                         con_err("expected name after -D\n");
 306                         exit(0);
 307                     }
 308
 309                     if (!(argarg = strchr(argv[0] + 2, '='))) {
 310                         macro.name  = util_strdup(argv[0]+2);
 311                         macro.value = NULL;
 312                     } else {
 313                         *argarg='\0'; /* terminate for name */
 314                         macro.name  = util_strdup(argv[0]+2);
 315                         macro.value = util_strdup(argarg+1);
 316                     }
 317                     vec_push(ppems, macro);
 318                     break;
 319
 320                 /* handle all -fflags */
 321                 case 'f':
 322                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 323                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 324                         con_out("Possible flags:\n\n");
 325                         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 326                             util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
 327                             con_out(" -f%s\n", buffer);
 328                         }
 329                         exit(0);
 330                     }
 331                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 332                         if (!opts_setflag(argv[0]+5, false)) {
 333                             con_out("unknown flag: %s\n", argv[0]+2);
 334                             return false;
 335                         }
 336                     }
 337                     else if (!opts_setflag(argv[0]+2, true)) {
 338                         con_out("unknown flag: %s\n", argv[0]+2);
 339                         return false;
 340                     }
 341                     break;
 342                 case 'W':
 343                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 344                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 345                         con_out("Possible warnings:\n");
 346                         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 347                             util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
 348                             con_out(" -W%s\n", buffer);
 349                             if (itr == WARN_DEBUG)
 350                                 con_out("   Warnings included by -Wall:\n");
 351                         }
 352                         exit(0);
 353                     }
 354                     else if (!strcmp(argv[0]+2, "NO_ERROR") ||
 355                              !strcmp(argv[0]+2, "NO_ERROR_ALL"))
 356                     {
 357                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 358                             opts.werror[itr] = 0;
 359                         break;
 360                     }
 361                     else if (!strcmp(argv[0]+2, "ERROR") ||
 362                              !strcmp(argv[0]+2, "ERROR_ALL"))
 363                     {
 364                         opts_backup_non_Werror_all();
 365                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 366                             opts.werror[itr] = 0xFFFFFFFFL;
 367                         opts_restore_non_Werror_all();
 368                         break;
 369                     }
 370                     else if (!strcmp(argv[0]+2, "NONE")) {
 371                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 372                             opts.warn[itr] = 0;
 373                         break;
 374                     }
 375                     else if (!strcmp(argv[0]+2, "ALL")) {
 376                         opts_backup_non_Wall();
 377                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 378                             opts.warn[itr] = 0xFFFFFFFFL;
 379                         opts_restore_non_Wall();
 380                         break;
 381                     }
 382                     else if (!strncmp(argv[0]+2, "ERROR_", 6)) {
 383                         if (!opts_setwerror(argv[0]+8, true)) {
 384                             con_out("unknown warning: %s\n", argv[0]+2);
 385                             return false;
 386                         }
 387                     }
 388                     else if (!strncmp(argv[0]+2, "NO_ERROR_", 9)) {
 389                         if (!opts_setwerror(argv[0]+11, false)) {
 390                             con_out("unknown warning: %s\n", argv[0]+2);
 391                             return false;
 392                         }
 393                     }
 394                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 395                         if (!opts_setwarn(argv[0]+5, false)) {
 396                             con_out("unknown warning: %s\n", argv[0]+2);
 397                             return false;
 398                         }
 399                     }
 400                     else if (!opts_setwarn(argv[0]+2, true)) {
 401                         con_out("unknown warning: %s\n", argv[0]+2);
 402                         return false;
 403                     }
 404                     break;
 405
 406                 case 'O':
 407                     if (!options_witharg(&argc, &argv, &argarg)) {
 408                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
 409                         return false;
 410                     }
 411                     if (isdigit(argarg[0])) {
 412                         uint32_t val = (uint32_t)strtol(argarg, NULL, 10);
 413                         OPTS_OPTION_U32(OPTION_O) = val;
 414                         opts_setoptimlevel(val);
 415                     } else {
 416                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
 417                         if (!strcmp(argarg, "HELP")) {
 418                             con_out("Possible optimizations:\n");
 419                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 420                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
 421                                 con_out(" -O%-20s (-O%u)\n", buffer, opts_opt_oflag[itr]);
 422                             }
 423                             exit(0);
 424                         }
 425                         else if (!strcmp(argarg, "ALL"))
 426                             opts_setoptimlevel(OPTS_OPTION_U32(OPTION_O) = 9999);
 427                         else if (!strncmp(argarg, "NO_", 3)) {
 428                             if (!opts_setoptim(argarg+3, false)) {
 429                                 con_out("unknown optimization: %s\n", argarg+3);
 430                                 return false;
 431                             }
 432                         }
 433                         else {
 434                             if (!opts_setoptim(argarg, true)) {
 435                                 con_out("unknown optimization: %s\n", argarg);
 436                                 return false;
 437                             }
 438                         }
 439                     }
 440                     break;
 441
 442                 case 'o':
 443                     if (!options_witharg(&argc, &argv, &argarg)) {
 444                         con_out("option -o requires an argument: the output file name\n");
 445                         return false;
 446                     }
 447                     OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 448                     opts_output_wasset = true;
 449                     break;
 450
 451                 case 'a':
 452                 case 's':
 453                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
 454                     if (!options_witharg(&argc, &argv, &argarg)) {
 455                         con_out("option -a requires a filename %s\n",
 456                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
 457                         return false;
 458                     }
 459                     item.filename = argarg;
 460                     vec_push(items, item);
 461                     break;
 462
 463                 case '-':
 464                     if (!argv[0][2]) {
 465                         /* anything following -- is considered a non-option argument */
 466                         argend = true;
 467                         break;
 468                     }
 469             /* All long options without arguments */
 470                     else if (!strcmp(argv[0]+2, "help")) {
 471                         usage();
 472                         exit(0);
 473                     }
 474                     else if (!strcmp(argv[0]+2, "version")) {
 475                         version();
 476                         exit(0);
 477                     }
 478                     else if (!strcmp(argv[0]+2, "quiet")) {
 479                         OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 480                         break;
 481                     }
 482                     else if (!strcmp(argv[0]+2, "correct")) {
 483                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = true;
 484                         break;
 485                     }
 486                     else if (!strcmp(argv[0]+2, "no-correct")) {
 487                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = false;
 488                         break;
 489                     }
 490                     else if (!strcmp(argv[0]+2, "add-info")) {
 491                         OPTS_OPTION_BOOL(OPTION_ADD_INFO) = true;
 492                         break;
 493                     }
 494                     else {
 495             /* All long options with arguments */
 496                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
 497                             OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 498                             opts_output_wasset = true;
 499                         } else {
 500                             con_out("Unknown parameter: %s\n", argv[0]);
 501                             return false;
 502                         }
 503                     }
 504                     break;
 505
 506                 default:
 507                     con_out("Unknown parameter: %s\n", argv[0]);
 508                     return false;
 509             }
 510         }
 511         else
 512         {
 513             /* it's a QC filename */
 514             item.filename = argv[0];
 515             item.type     = TYPE_QC;
 516             vec_push(items, item);
 517         }
 518     }
 519     opts_ini_init(config);
 520     return true;
 521 }
 522
 523 /* returns the line number, or -1 on error */
 524 static bool progs_nextline(char **out, size_t *alen,FILE *src) {
 525     int    len;
 526     char  *line;
 527     char  *start;
 528     char  *end;
 529
 530     line = *out;
 531     len  = fs_file_getline(&line, alen, src);
 532     if (len == -1)
 533         return false;
 534
 535     /* start at first non-blank */
 536     for (start = line; isspace(*start); ++start) {}
 537     /* end at the first non-blank */
 538     for (end = start;  *end && !isspace(*end);  ++end)   {}
 539
 540     *out = line;
 541     /* move the actual filename to the beginning */
 542     while (start != end) {
 543         *line++ = *start++;
 544     }
 545     *line = 0;
 546     return true;
 547 }
 548
 549 int main(int argc, char **argv) {
 550     size_t          itr;
 551     int             retval           = 0;
 552     bool            opts_output_free = false;
 553     bool            operators_free   = false;
 554     bool            progs_src        = false;
 555     FILE            *outfile         = NULL;
 556     struct parser_s *parser          = NULL;
 557     struct ftepp_s  *ftepp           = NULL;
 558
 559     app_name = argv[0];
 560     con_init ();
 561     opts_init("progs.dat", COMPILER_GMQCC, (1024 << 3));
 562
 563     util_seed(time(0));
 564
 565     if (!options_parse(argc, argv)) {
 566         return usage();
 567     }
 568
 569     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
 570         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
 571         exit(EXIT_FAILURE);
 572     }
 573
 574     /* the standard decides which set of operators to use */
 575     if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
 576         operators      = c_operators;
 577         operator_count = c_operator_count;
 578     } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
 579         operators      = fte_operators;
 580         operator_count = fte_operator_count;
 581     } else {
 582         operators      = qcc_operators;
 583         operator_count = qcc_operator_count;
 584     }
 585
 586     if (operators == fte_operators) {
 587         /* fix ternary? */
 588         if (OPTS_FLAG(CORRECT_TERNARY)) {
 589             oper_info *newops;
 590             if (operators[operator_count-2].id != opid1(',') ||
 591                 operators[operator_count-1].id != opid2(':','?'))
 592             {
 593                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
 594                 exit(EXIT_FAILURE);
 595             }
 596             operators_free = true;
 597             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
 598             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
 599             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
 600             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
 601             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
 602             operators = newops;
 603         }
 604     }
 605
 606     if (OPTS_OPTION_BOOL(OPTION_DUMP)) {
 607         for (itr = 0; itr < COUNT_FLAGS; ++itr)
 608             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
 609         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
 610             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
 611
 612         con_out("output             = %s\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 613         con_out("optimization level = %u\n", OPTS_OPTION_U32(OPTION_O));
 614         con_out("standard           = %u\n", OPTS_OPTION_U32(OPTION_STANDARD));
 615     }
 616
 617     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 618         if (opts_output_wasset) {
 619             outfile = fs_file_open(OPTS_OPTION_STR(OPTION_OUTPUT), "wb");
 620             if (!outfile) {
 621                 con_err("failed to open `%s` for writing\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 622                 retval = 1;
 623                 goto cleanup;
 624             }
 625         }
 626         else {
 627             outfile = con_default_out();
 628         }
 629     }
 630
 631     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 632         if (!(parser = parser_create())) {
 633             con_err("failed to initialize parser\n");
 634             retval = 1;
 635             goto cleanup;
 636         }
 637     }
 638
 639     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 640         if (!(ftepp = ftepp_create())) {
 641             con_err("failed to initialize parser\n");
 642             retval = 1;
 643             goto cleanup;
 644         }
 645     }
 646
 647     util_debug("COM", "starting ...\n");
 648
 649     /* add macros */
 650     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 651         for (itr = 0; itr < vec_size(ppems); itr++) {
 652             ftepp_add_macro(ftepp, ppems[itr].name, ppems[itr].value);
 653             mem_d(ppems[itr].name);
 654
 655             /* can be null */
 656             if (ppems[itr].value)
 657                 mem_d(ppems[itr].value);
 658         }
 659     }
 660
 661     if (!vec_size(items)) {
 662         FILE *src;
 663         char *line;
 664         size_t linelen = 0;
 665
 666         progs_src = true;
 667
 668         src = fs_file_open("progs.src", "rb");
 669         if (!src) {
 670             con_err("failed to open `progs.src` for reading\n");
 671             retval = 1;
 672             goto cleanup;
 673         }
 674
 675         line = NULL;
 676         if (!progs_nextline(&line, &linelen, src) || !line[0]) {
 677             con_err("illformatted progs.src file: expected output filename in first line\n");
 678             retval = 1;
 679             goto srcdone;
 680         }
 681
 682         if (!opts_output_wasset) {
 683             OPTS_OPTION_STR(OPTION_OUTPUT) = util_strdup(line);
 684             opts_output_free = true;
 685         }
 686
 687         while (progs_nextline(&line, &linelen, src)) {
 688             argitem item;
 689             if (!line[0] || (line[0] == '/' && line[1] == '/'))
 690                 continue;
 691             item.filename = util_strdup(line);
 692             item.type     = TYPE_QC;
 693             vec_push(items, item);
 694         }
 695
 696 srcdone:
 697         fs_file_close(src);
 698         mem_d(line);
 699     }
 700
 701     if (retval)
 702         goto cleanup;
 703
 704     if (vec_size(items)) {
 705         if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 706             !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 707         {
 708             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
 709             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
 710         }
 711
 712         for (itr = 0; itr < vec_size(items); ++itr) {
 713             if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 714                 !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 715             {
 716                 con_out("  item: %s (%s)\n",
 717                        items[itr].filename,
 718                        ( (items[itr].type == TYPE_QC ? "qc" :
 719                          (items[itr].type == TYPE_ASM ? "asm" :
 720                          (items[itr].type == TYPE_SRC ? "progs.src" :
 721                          ("unknown"))))));
 722             }
 723
 724             if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 725                 const char *out;
 726                 if (!ftepp_preprocess_file(ftepp, items[itr].filename)) {
 727                     retval = 1;
 728                     goto cleanup;
 729                 }
 730                 out = ftepp_get(ftepp);
 731                 if (out)
 732                     fs_file_printf(outfile, "%s", out);
 733                 ftepp_flush(ftepp);
 734             }
 735             else {
 736                 if (OPTS_FLAG(FTEPP)) {
 737                     const char *data;
 738                     if (!ftepp_preprocess_file(ftepp, items[itr].filename)) {
 739                         retval = 1;
 740                         goto cleanup;
 741                     }
 742                     data = ftepp_get(ftepp);
 743                     if (vec_size(data)) {
 744                         if (!parser_compile_string(parser, items[itr].filename, data, vec_size(data))) {
 745                             retval = 1;
 746                             goto cleanup;
 747                         }
 748                     }
 749                     ftepp_flush(ftepp);
 750                 }
 751                 else {
 752                     if (!parser_compile_file(parser, items[itr].filename)) {
 753                         retval = 1;
 754                         goto cleanup;
 755                     }
 756                 }
 757             }
 758
 759             if (progs_src) {
 760                 mem_d(items[itr].filename);
 761                 items[itr].filename = NULL;
 762             }
 763         }
 764
 765         ftepp_finish(ftepp);
 766         ftepp = NULL;
 767         if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 768             if (!parser_finish(parser, OPTS_OPTION_STR(OPTION_OUTPUT))) {
 769                 retval = 1;
 770                 goto cleanup;
 771             }
 772         }
 773     }
 774
 775     /* stuff */
 776     if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 777         !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 778     {
 779         for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 780             if (opts_optimizationcount[itr]) {
 781                 con_out("%s: %u\n", opts_opt_list[itr].name, (unsigned int)opts_optimizationcount[itr]);
 782             }
 783         }
 784     }
 785
 786 cleanup:
 787     util_debug("COM", "cleaning ...\n");
 788     if (ftepp)
 789         ftepp_finish(ftepp);
 790     con_close();
 791     vec_free(items);
 792     vec_free(ppems);
 793
 794     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 795         parser_cleanup(parser);
 796     if (opts_output_free)
 797         mem_d(OPTS_OPTION_STR(OPTION_OUTPUT));
 798     if (operators_free)
 799         mem_d((void*)operators);
 800
 801     lex_cleanup();
 802     util_meminfo();
 803     return retval;
 804 }