main.c

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