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