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