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                     OPTS_OPTION_BOOL(OPTION_STATISTICS) = true;
 177
 178                 } else if (!strcmp(argarg, "qcc")) {
 179
 180                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 181                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
 182
 183                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCC;
 184
 185                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
 186
 187                     opts_set(opts.flags, FTEPP,                    true);
 188                     opts_set(opts.flags, TRANSLATABLE_STRINGS,     true);
 189                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,     false);
 190                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES,    true);
 191                     opts_set(opts.flags, CORRECT_TERNARY,          false);
 192                     opts_set(opts.warn, WARN_TERNARY_PRECEDENCE,   true);
 193
 194                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_FTEQCC;
 195
 196                 } else if (!strcmp(argarg, "qccx")) {
 197
 198                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
 199                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCCX;
 200
 201                 } else {
 202                     con_out("Unknown standard: %s\n", argarg);
 203                     return false;
 204                 }
 205                 continue;
 206             }
 207             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
 208
 209                 OPTS_OPTION_BOOL(OPTION_FORCECRC)   = true;
 210                 OPTS_OPTION_U16 (OPTION_FORCED_CRC) = strtol(argarg, NULL, 0);
 211                 continue;
 212             }
 213             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
 214                 con_change(redirout, redirerr);
 215                 continue;
 216             }
 217             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
 218                 con_change(redirout, redirerr);
 219                 continue;
 220             }
 221             if (options_long_gcc("config", &argc, &argv, &argarg)) {
 222                 config = argarg;
 223                 continue;
 224             }
 225             if (options_long_gcc("memdumpcols", &argc, &argv, &memdumpcols)) {
 226                 OPTS_OPTION_U16(OPTION_MEMDUMPCOLS) = (uint16_t)strtol(memdumpcols, NULL, 10);
 227                 continue;
 228             }
 229
 230             /* show defaults (like pathscale) */
 231             if (!strcmp(argv[0]+1, "show-defaults")) {
 232                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 233                     if (!OPTS_FLAG(itr))
 234                         continue;
 235
 236                     memset(buffer, 0, sizeof(buffer));
 237                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
 238
 239                     con_out("-f%s ", buffer);
 240                 }
 241                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 242                     if (!OPTS_WARN(itr))
 243                         continue;
 244
 245                     memset(buffer, 0, sizeof(buffer));
 246                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
 247                     con_out("-W%s ", buffer);
 248                 }
 249                 con_out("\n");
 250                 exit(0);
 251             }
 252
 253             if (!strcmp(argv[0]+1, "debug")) {
 254                 OPTS_OPTION_BOOL(OPTION_DEBUG) = true;
 255                 continue;
 256             }
 257             if (!strcmp(argv[0]+1, "dump")) {
 258                 OPTS_OPTION_BOOL(OPTION_DUMP)  = true;
 259                 continue;
 260             }
 261             if (!strcmp(argv[0]+1, "dumpfin")) {
 262                 OPTS_OPTION_BOOL(OPTION_DUMPFIN) = true;
 263                 continue;
 264             }
 265             if (!strcmp(argv[0]+1, "memchk")) {
 266                 OPTS_OPTION_BOOL(OPTION_MEMCHK) = true;
 267                 continue;
 268             }
 269             if (!strcmp(argv[0]+1, "nocolor")) {
 270                 con_color(0);
 271                 continue;
 272             }
 273
 274             switch (argv[0][1]) {
 275                 /* -h, show usage but exit with 0 */
 276                 case 'h':
 277                     usage();
 278                     exit(0);
 279                     /* break; never reached because of exit(0) */
 280
 281                 case 'v':
 282                     version();
 283                     exit(0);
 284
 285                 case 'E':
 286                     OPTS_OPTION_BOOL(OPTION_PP_ONLY) = true;
 287                     opts_set(opts.flags, FTEPP_PREDEFS, true); /* predefs on for -E */
 288                     break;
 289
 290                 /* debug turns on -flno */
 291                 case 'g':
 292                     opts_setflag("LNO", true);
 293                     OPTS_OPTION_BOOL(OPTION_G) = true;
 294                     break;
 295
 296                 case 'q':
 297                     OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 298                     break;
 299
 300                 case 'D':
 301                     if (!strlen(argv[0]+2)) {
 302                         con_err("expected name after -D\n");
 303                         exit(0);
 304                     }
 305
 306                     if (!(argarg = strchr(argv[0] + 2, '='))) {
 307                         macro.name  = util_strdup(argv[0]+2);
 308                         macro.value = NULL;
 309                     } else {
 310                         *argarg='\0'; /* terminate for name */
 311                         macro.name  = util_strdup(argv[0]+2);
 312                         macro.value = util_strdup(argarg+1);
 313                     }
 314                     vec_push(ppems, macro);
 315                     break;
 316
 317                 /* handle all -fflags */
 318                 case 'f':
 319                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 320                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 321                         con_out("Possible flags:\n\n");
 322                         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 323                             util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
 324                             con_out(" -f%s\n", buffer);
 325                         }
 326                         exit(0);
 327                     }
 328                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 329                         if (!opts_setflag(argv[0]+5, false)) {
 330                             con_out("unknown flag: %s\n", argv[0]+2);
 331                             return false;
 332                         }
 333                     }
 334                     else if (!opts_setflag(argv[0]+2, true)) {
 335                         con_out("unknown flag: %s\n", argv[0]+2);
 336                         return false;
 337                     }
 338                     break;
 339                 case 'W':
 340                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 341                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 342                         con_out("Possible warnings:\n");
 343                         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 344                             util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
 345                             con_out(" -W%s\n", buffer);
 346                             if (itr == WARN_DEBUG)
 347                                 con_out("   Warnings included by -Wall:\n");
 348                         }
 349                         exit(0);
 350                     }
 351                     else if (!strcmp(argv[0]+2, "NO_ERROR") ||
 352                              !strcmp(argv[0]+2, "NO_ERROR_ALL"))
 353                     {
 354                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 355                             opts.werror[itr] = 0;
 356                         break;
 357                     }
 358                     else if (!strcmp(argv[0]+2, "ERROR") ||
 359                              !strcmp(argv[0]+2, "ERROR_ALL"))
 360                     {
 361                         opts_backup_non_Werror_all();
 362                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
 363                             opts.werror[itr] = 0xFFFFFFFFL;
 364                         opts_restore_non_Werror_all();
 365                         break;
 366                     }
 367                     else if (!strcmp(argv[0]+2, "NONE")) {
 368                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 369                             opts.warn[itr] = 0;
 370                         break;
 371                     }
 372                     else if (!strcmp(argv[0]+2, "ALL")) {
 373                         opts_backup_non_Wall();
 374                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
 375                             opts.warn[itr] = 0xFFFFFFFFL;
 376                         opts_restore_non_Wall();
 377                         break;
 378                     }
 379                     else if (!strncmp(argv[0]+2, "ERROR_", 6)) {
 380                         if (!opts_setwerror(argv[0]+8, true)) {
 381                             con_out("unknown warning: %s\n", argv[0]+2);
 382                             return false;
 383                         }
 384                     }
 385                     else if (!strncmp(argv[0]+2, "NO_ERROR_", 9)) {
 386                         if (!opts_setwerror(argv[0]+11, false)) {
 387                             con_out("unknown warning: %s\n", argv[0]+2);
 388                             return false;
 389                         }
 390                     }
 391                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 392                         if (!opts_setwarn(argv[0]+5, false)) {
 393                             con_out("unknown warning: %s\n", argv[0]+2);
 394                             return false;
 395                         }
 396                     }
 397                     else if (!opts_setwarn(argv[0]+2, true)) {
 398                         con_out("unknown warning: %s\n", argv[0]+2);
 399                         return false;
 400                     }
 401                     break;
 402
 403                 case 'O':
 404                     if (!options_witharg(&argc, &argv, &argarg)) {
 405                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
 406                         return false;
 407                     }
 408                     if (isdigit(argarg[0])) {
 409                         uint32_t val = (uint32_t)strtol(argarg, NULL, 10);
 410                         OPTS_OPTION_U32(OPTION_O) = val;
 411                         opts_setoptimlevel(val);
 412                     } else {
 413                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
 414                         if (!strcmp(argarg, "HELP")) {
 415                             con_out("Possible optimizations:\n");
 416                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 417                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
 418                                 con_out(" -O%-20s (-O%u)\n", buffer, opts_opt_oflag[itr]);
 419                             }
 420                             exit(0);
 421                         }
 422                         else if (!strcmp(argarg, "ALL"))
 423                             opts_setoptimlevel(OPTS_OPTION_U32(OPTION_O) = 9999);
 424                         else if (!strncmp(argarg, "NO_", 3)) {
 425                             if (!opts_setoptim(argarg+3, false)) {
 426                                 con_out("unknown optimization: %s\n", argarg+3);
 427                                 return false;
 428                             }
 429                         }
 430                         else {
 431                             if (!opts_setoptim(argarg, true)) {
 432                                 con_out("unknown optimization: %s\n", argarg);
 433                                 return false;
 434                             }
 435                         }
 436                     }
 437                     break;
 438
 439                 case 'o':
 440                     if (!options_witharg(&argc, &argv, &argarg)) {
 441                         con_out("option -o requires an argument: the output file name\n");
 442                         return false;
 443                     }
 444                     OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 445                     opts_output_wasset = true;
 446                     break;
 447
 448                 case 'a':
 449                 case 's':
 450                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
 451                     if (!options_witharg(&argc, &argv, &argarg)) {
 452                         con_out("option -a requires a filename %s\n",
 453                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
 454                         return false;
 455                     }
 456                     item.filename = argarg;
 457                     vec_push(items, item);
 458                     break;
 459
 460                 case '-':
 461                     if (!argv[0][2]) {
 462                         /* anything following -- is considered a non-option argument */
 463                         argend = true;
 464                         break;
 465                     }
 466             /* All long options without arguments */
 467                     else if (!strcmp(argv[0]+2, "help")) {
 468                         usage();
 469                         exit(0);
 470                     }
 471                     else if (!strcmp(argv[0]+2, "version")) {
 472                         version();
 473                         exit(0);
 474                     }
 475                     else if (!strcmp(argv[0]+2, "quiet")) {
 476                         OPTS_OPTION_BOOL(OPTION_QUIET) = true;
 477                         break;
 478                     }
 479                     else if (!strcmp(argv[0]+2, "correct")) {
 480                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = true;
 481                         break;
 482                     }
 483                     else if (!strcmp(argv[0]+2, "no-correct")) {
 484                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = false;
 485                         break;
 486                     }
 487                     else if (!strcmp(argv[0]+2, "add-info")) {
 488                         OPTS_OPTION_BOOL(OPTION_ADD_INFO) = true;
 489                         break;
 490                     }
 491                     else {
 492             /* All long options with arguments */
 493                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
 494                             OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
 495                             opts_output_wasset = true;
 496                         } else {
 497                             con_out("Unknown parameter: %s\n", argv[0]);
 498                             return false;
 499                         }
 500                     }
 501                     break;
 502
 503                 default:
 504                     con_out("Unknown parameter: %s\n", argv[0]);
 505                     return false;
 506             }
 507         }
 508         else
 509         {
 510             /* it's a QC filename */
 511             item.filename = argv[0];
 512             item.type     = TYPE_QC;
 513             vec_push(items, item);
 514         }
 515     }
 516     opts_ini_init(config);
 517     return true;
 518 }
 519
 520 /* returns the line number, or -1 on error */
 521 static bool progs_nextline(char **out, size_t *alen,FILE *src) {
 522     int    len;
 523     char  *line;
 524     char  *start;
 525     char  *end;
 526
 527     line = *out;
 528     len  = fs_file_getline(&line, alen, src);
 529     if (len == -1)
 530         return false;
 531
 532     /* start at first non-blank */
 533     for (start = line; isspace(*start); ++start) {}
 534     /* end at the first non-blank */
 535     for (end = start;  *end && !isspace(*end);  ++end)   {}
 536
 537     *out = line;
 538     /* move the actual filename to the beginning */
 539     while (start != end) {
 540         *line++ = *start++;
 541     }
 542     *line = 0;
 543     return true;
 544 }
 545
 546 int main(int argc, char **argv) {
 547     size_t          itr;
 548     int             retval           = 0;
 549     bool            opts_output_free = false;
 550     bool            operators_free   = false;
 551     bool            progs_src        = false;
 552     FILE            *outfile         = NULL;
 553     struct parser_s *parser          = NULL;
 554     struct ftepp_s  *ftepp           = NULL;
 555
 556     app_name = argv[0];
 557     con_init ();
 558     opts_init("progs.dat", COMPILER_GMQCC, (1024 << 3));
 559
 560     util_seed(time(0));
 561
 562     if (!options_parse(argc, argv)) {
 563         return usage();
 564     }
 565
 566     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
 567         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
 568         exit(EXIT_FAILURE);
 569     }
 570
 571     /* the standard decides which set of operators to use */
 572     if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
 573         operators      = c_operators;
 574         operator_count = c_operator_count;
 575     } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
 576         operators      = fte_operators;
 577         operator_count = fte_operator_count;
 578     } else {
 579         operators      = qcc_operators;
 580         operator_count = qcc_operator_count;
 581     }
 582
 583     if (operators == fte_operators) {
 584         /* fix ternary? */
 585         if (OPTS_FLAG(CORRECT_TERNARY)) {
 586             oper_info *newops;
 587             if (operators[operator_count-2].id != opid1(',') ||
 588                 operators[operator_count-1].id != opid2(':','?'))
 589             {
 590                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
 591                 exit(EXIT_FAILURE);
 592             }
 593             operators_free = true;
 594             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
 595             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
 596             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
 597             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
 598             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
 599             operators = newops;
 600         }
 601     }
 602
 603     if (OPTS_OPTION_BOOL(OPTION_DUMP)) {
 604         for (itr = 0; itr < COUNT_FLAGS; ++itr)
 605             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
 606         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
 607             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
 608
 609         con_out("output             = %s\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 610         con_out("optimization level = %u\n", OPTS_OPTION_U32(OPTION_O));
 611         con_out("standard           = %u\n", OPTS_OPTION_U32(OPTION_STANDARD));
 612     }
 613
 614     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 615         if (opts_output_wasset) {
 616             outfile = fs_file_open(OPTS_OPTION_STR(OPTION_OUTPUT), "wb");
 617             if (!outfile) {
 618                 con_err("failed to open `%s` for writing\n", OPTS_OPTION_STR(OPTION_OUTPUT));
 619                 retval = 1;
 620                 goto cleanup;
 621             }
 622         }
 623         else {
 624             outfile = con_default_out();
 625         }
 626     }
 627
 628     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 629         if (!(parser = parser_create())) {
 630             con_err("failed to initialize parser\n");
 631             retval = 1;
 632             goto cleanup;
 633         }
 634     }
 635
 636     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 637         if (!(ftepp = ftepp_create())) {
 638             con_err("failed to initialize parser\n");
 639             retval = 1;
 640             goto cleanup;
 641         }
 642     }
 643
 644     util_debug("COM", "starting ...\n");
 645
 646     /* add macros */
 647     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
 648         for (itr = 0; itr < vec_size(ppems); itr++) {
 649             ftepp_add_macro(ftepp, ppems[itr].name, ppems[itr].value);
 650             mem_d(ppems[itr].name);
 651
 652             /* can be null */
 653             if (ppems[itr].value)
 654                 mem_d(ppems[itr].value);
 655         }
 656     }
 657
 658     if (!vec_size(items)) {
 659         FILE *src;
 660         char *line;
 661         size_t linelen = 0;
 662
 663         progs_src = true;
 664
 665         src = fs_file_open("progs.src", "rb");
 666         if (!src) {
 667             con_err("failed to open `progs.src` for reading\n");
 668             retval = 1;
 669             goto cleanup;
 670         }
 671
 672         line = NULL;
 673         if (!progs_nextline(&line, &linelen, src) || !line[0]) {
 674             con_err("illformatted progs.src file: expected output filename in first line\n");
 675             retval = 1;
 676             goto srcdone;
 677         }
 678
 679         if (!opts_output_wasset) {
 680             OPTS_OPTION_STR(OPTION_OUTPUT) = util_strdup(line);
 681             opts_output_free = true;
 682         }
 683
 684         while (progs_nextline(&line, &linelen, src)) {
 685             argitem item;
 686             if (!line[0] || (line[0] == '/' && line[1] == '/'))
 687                 continue;
 688             item.filename = util_strdup(line);
 689             item.type     = TYPE_QC;
 690             vec_push(items, item);
 691         }
 692
 693 srcdone:
 694         fs_file_close(src);
 695         mem_d(line);
 696     }
 697
 698     if (retval)
 699         goto cleanup;
 700
 701     if (vec_size(items)) {
 702         if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 703             !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 704         {
 705             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
 706             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
 707         }
 708
 709         for (itr = 0; itr < vec_size(items); ++itr) {
 710             if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 711                 !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 712             {
 713                 con_out("  item: %s (%s)\n",
 714                        items[itr].filename,
 715                        ( (items[itr].type == TYPE_QC ? "qc" :
 716                          (items[itr].type == TYPE_ASM ? "asm" :
 717                          (items[itr].type == TYPE_SRC ? "progs.src" :
 718                          ("unknown"))))));
 719             }
 720
 721             if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 722                 const char *out;
 723                 if (!ftepp_preprocess_file(ftepp, items[itr].filename)) {
 724                     retval = 1;
 725                     goto cleanup;
 726                 }
 727                 out = ftepp_get(ftepp);
 728                 if (out)
 729                     fs_file_printf(outfile, "%s", out);
 730                 ftepp_flush(ftepp);
 731             }
 732             else {
 733                 if (OPTS_FLAG(FTEPP)) {
 734                     const char *data;
 735                     if (!ftepp_preprocess_file(ftepp, items[itr].filename)) {
 736                         retval = 1;
 737                         goto cleanup;
 738                     }
 739                     data = ftepp_get(ftepp);
 740                     if (vec_size(data)) {
 741                         if (!parser_compile_string(parser, items[itr].filename, data, vec_size(data))) {
 742                             retval = 1;
 743                             goto cleanup;
 744                         }
 745                     }
 746                     ftepp_flush(ftepp);
 747                 }
 748                 else {
 749                     if (!parser_compile_file(parser, items[itr].filename)) {
 750                         retval = 1;
 751                         goto cleanup;
 752                     }
 753                 }
 754             }
 755
 756             if (progs_src) {
 757                 mem_d(items[itr].filename);
 758                 items[itr].filename = NULL;
 759             }
 760         }
 761
 762         ftepp_finish(ftepp);
 763         ftepp = NULL;
 764         if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
 765             if (!parser_finish(parser, OPTS_OPTION_STR(OPTION_OUTPUT))) {
 766                 retval = 1;
 767                 goto cleanup;
 768             }
 769         }
 770     }
 771
 772     /* stuff */
 773     if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
 774         !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 775     {
 776         for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 777             if (opts_optimizationcount[itr]) {
 778                 con_out("%s: %u\n", opts_opt_list[itr].name, (unsigned int)opts_optimizationcount[itr]);
 779             }
 780         }
 781     }
 782
 783 cleanup:
 784     util_debug("COM", "cleaning ...\n");
 785     if (ftepp)
 786         ftepp_finish(ftepp);
 787     con_close();
 788     vec_free(items);
 789     vec_free(ppems);
 790
 791     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY))
 792         parser_cleanup(parser);
 793     if (opts_output_free)
 794         mem_d(OPTS_OPTION_STR(OPTION_OUTPUT));
 795     if (operators_free)
 796         mem_d((void*)operators);
 797
 798     lex_cleanup();
 799     util_meminfo();
 800     return retval;
 801 }