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
  27 uint32_t    opts_flags[1 + (COUNT_FLAGS / 32)];
  28 uint32_t    opts_optimization[1 + (COUNT_OPTIMIZATIONS / 32)];
  29
  30 /* counter increased in ir.c */
  31 unsigned int optimization_count[COUNT_OPTIMIZATIONS];
  32
  33 uint32_t    opts_O        = 1;
  34 const char *opts_output   = "progs.dat";
  35 int         opts_standard = COMPILER_GMQCC;
  36 bool        opts_debug    = false;
  37 bool        opts_memchk   = false;
  38 bool        opts_dumpfin  = false;
  39 bool        opts_dump     = false;
  40 bool        opts_forcecrc = false;
  41 bool        opts_pp_only  = false;
  42 size_t      opts_max_array_size = (1024 << 3);
  43
  44 uint16_t    opts_forced_crc;
  45
  46 static bool opts_output_wasset = false;
  47
  48 /* set by the standard */
  49 const oper_info *operators      = NULL;
  50 size_t           operator_count = 0;
  51
  52 typedef struct { char *filename; int type; } argitem;
  53 static argitem *items = NULL;
  54
  55 #define TYPE_QC  0
  56 #define TYPE_ASM 1
  57 #define TYPE_SRC 2
  58
  59 static const char *app_name;
  60
  61 static int usage() {
  62     con_out("usage: %s [options] [files...]", app_name);
  63     con_out("options:\n"
  64             "  -h, --help             show this help message\n"
  65             "  -debug                 turns on compiler debug messages\n"
  66             "  -memchk                turns on compiler memory leak check\n");
  67     con_out("  -o, --output=file      output file, defaults to progs.dat\n"
  68             "  -a filename            add an asm file to be assembled\n"
  69             "  -s filename            add a progs.src file to be used\n");
  70     con_out("  -E                     stop after preprocessing\n");
  71     con_out("  -f<flag>               enable a flag\n"
  72             "  -fno-<flag>            disable a flag\n"
  73             "  -std standard          select one of the following standards\n"
  74             "       -std=qcc          original QuakeC\n"
  75             "       -std=fteqcc       fteqcc QuakeC\n"
  76             "       -std=gmqcc        this compiler (default)\n");
  77     con_out("  -W<warning>            enable a warning\n"
  78             "  -Wno-<warning>         disable a warning\n"
  79             "  -Wall                  enable all warnings\n"
  80             "  -Werror                treat warnings as errors\n");
  81     con_out("  -force-crc=num         force a specific checksum into the header\n");
  82     con_out("\n");
  83     con_out("flags:\n"
  84             "  -fadjust-vector-fields\n"
  85             "            when assigning a vector field, its _y and _z fields also get assigned\n"
  86            );
  87     return -1;
  88 }
  89
  90 static bool options_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
  91     size_t i;
  92
  93     for (i = 0; i < listsize; ++i) {
  94         if (!strcmp(name, list[i].name)) {
  95             longbit lb = list[i].bit;
  96 #if 0
  97             if (on)
  98                 flags[lb.idx] |= (1<<(lb.bit));
  99             else
 100                 flags[lb.idx] &= ~(1<<(lb.bit));
 101 #else
 102             if (on)
 103                 flags[0] |= (1<<lb);
 104             else
 105                 flags[0] &= ~(1<<(lb));
 106 #endif
 107             return true;
 108         }
 109     }
 110     return false;
 111 }
 112 static bool options_setflag(const char *name, bool on) {
 113     return options_setflag_all(name, on, opts_flags, opts_flag_list, COUNT_FLAGS);
 114 }
 115 static bool options_setwarn(const char *name, bool on) {
 116     return options_setflag_all(name, on, opts_warn, opts_warn_list, COUNT_WARNINGS);
 117 }
 118 static bool options_setoptim(const char *name, bool on) {
 119     return options_setflag_all(name, on, opts_optimization, opts_opt_list, COUNT_OPTIMIZATIONS);
 120 }
 121
 122 static bool options_witharg(int *argc_, char ***argv_, char **out) {
 123     int  argc   = *argc_;
 124     char **argv = *argv_;
 125
 126     if (argv[0][2]) {
 127         *out = argv[0]+2;
 128         return true;
 129     }
 130     /* eat up the next */
 131     if (argc < 2) /* no parameter was provided */
 132         return false;
 133
 134     *out = argv[1];
 135     --*argc_;
 136     ++*argv_;
 137     return true;
 138 }
 139
 140 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
 141     int  argc   = *argc_;
 142     char **argv = *argv_;
 143
 144     size_t len = strlen(optname);
 145
 146     if (strncmp(argv[0]+ds, optname, len))
 147         return false;
 148
 149     /* it's --optname, check how the parameter is supplied */
 150     if (argv[0][ds+len] == '=') {
 151         /* using --opt=param */
 152         *out = argv[0]+ds+len+1;
 153         return true;
 154     }
 155
 156     if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
 157         return false;
 158
 159     /* using --opt param */
 160     *out = argv[1];
 161     --*argc_;
 162     ++*argv_;
 163     return true;
 164 }
 165 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
 166     return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
 167 }
 168 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
 169     return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
 170 }
 171
 172 void options_set(uint32_t *flags, size_t idx, bool on)
 173 {
 174     longbit lb = LONGBIT(idx);
 175 #if 0
 176     if (on)
 177         flags[lb.idx] |= (1<<(lb.bit));
 178     else
 179         flags[lb.idx] &= ~(1<<(lb.bit));
 180 #else
 181     if (on)
 182         flags[0] |= (1<<(lb));
 183     else
 184         flags[0] &= ~(1<<(lb));
 185 #endif
 186 }
 187
 188 static void set_optimizations(unsigned int level)
 189 {
 190     size_t i;
 191     for (i = 0; i < COUNT_OPTIMIZATIONS; ++i)
 192         options_set(opts_optimization, i, level >= opts_opt_oflag[i]);
 193 }
 194
 195 static bool options_parse(int argc, char **argv) {
 196     bool argend = false;
 197     size_t itr;
 198     char  buffer[1024];
 199     char *redirout = (char*)stdout;
 200     char *redirerr = (char*)stderr;
 201
 202     while (!argend && argc > 1) {
 203         char *argarg;
 204         argitem item;
 205
 206         ++argv;
 207         --argc;
 208
 209         if (argv[0][0] == '-') {
 210     /* All gcc-type long options */
 211             if (options_long_gcc("std", &argc, &argv, &argarg)) {
 212                 if      (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
 213                     options_set(opts_flags, ADJUST_VECTOR_FIELDS, true);
 214                     opts_standard = COMPILER_GMQCC;
 215                 } else if (!strcmp(argarg, "qcc")) {
 216                     options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
 217                     options_set(opts_flags, ASSIGN_FUNCTION_TYPES, true);
 218                     opts_standard = COMPILER_QCC;
 219                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
 220                     options_set(opts_flags, FTEPP,                true);
 221                     options_set(opts_flags, TRANSLATABLE_STRINGS, true);
 222                     options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
 223                     options_set(opts_flags, ASSIGN_FUNCTION_TYPES, true);
 224                     options_set(opts_warn, WARN_TERNARY_PRECEDENCE, true);
 225                     options_set(opts_flags, CORRECT_TERNARY, false);
 226                     opts_standard = COMPILER_FTEQCC;
 227                 } else if (!strcmp(argarg, "qccx")) {
 228                     options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
 229                     opts_standard = COMPILER_QCCX;
 230                 } else {
 231                     con_out("Unknown standard: %s\n", argarg);
 232                     return false;
 233                 }
 234                 continue;
 235             }
 236             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
 237                 opts_forcecrc = true;
 238                 opts_forced_crc = strtol(argarg, NULL, 0);
 239                 continue;
 240             }
 241             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
 242                 con_change(redirout, redirerr);
 243                 continue;
 244             }
 245             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
 246                 con_change(redirout, redirerr);
 247                 continue;
 248             }
 249
 250             /* show defaults (like pathscale) */
 251             if (!strcmp(argv[0]+1, "show-defaults")) {
 252                 size_t itr;
 253                 char   buffer[1024];
 254                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 255                     if (!OPTS_FLAG(itr))
 256                         continue;
 257
 258                     memset(buffer, 0, sizeof(buffer));
 259                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
 260
 261                     con_out("-f%s ", buffer);
 262                 }
 263                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 264                     if (!OPTS_WARN(itr))
 265                         continue;
 266
 267                     memset(buffer, 0, sizeof(buffer));
 268                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
 269                     con_out("-W%s ", buffer);
 270                 }
 271                 con_out("\n");
 272                 exit(0);
 273             }
 274
 275             if (!strcmp(argv[0]+1, "debug")) {
 276                 opts_debug = true;
 277                 continue;
 278             }
 279             if (!strcmp(argv[0]+1, "dump")) {
 280                 opts_dump = true;
 281                 continue;
 282             }
 283             if (!strcmp(argv[0]+1, "dumpfin")) {
 284                 opts_dumpfin = true;
 285                 continue;
 286             }
 287             if (!strcmp(argv[0]+1, "memchk")) {
 288                 opts_memchk = true;
 289                 continue;
 290             }
 291             if (!strcmp(argv[0]+1, "nocolor")) {
 292                 con_color(0);
 293                 continue;
 294             }
 295
 296             switch (argv[0][1]) {
 297                 /* -h, show usage but exit with 0 */
 298                 case 'h':
 299                     usage();
 300                     exit(0);
 301                     /* break; never reached because of exit(0) */
 302
 303                 case 'E':
 304                     opts_pp_only = true;
 305                     break;
 306
 307                 /* handle all -fflags */
 308                 case 'f':
 309                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 310                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 311                         con_out("Possible flags:\n");
 312                         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 313                             util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
 314                             con_out(" -f%s\n", buffer);
 315                         }
 316                         exit(0);
 317                     }
 318                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
 319                         if (!options_setflag(argv[0]+5, false)) {
 320                             con_out("unknown flag: %s\n", argv[0]+2);
 321                             return false;
 322                         }
 323                     }
 324                     else if (!options_setflag(argv[0]+2, true)) {
 325                         con_out("unknown flag: %s\n", argv[0]+2);
 326                         return false;
 327                     }
 328                     break;
 329                 case 'W':
 330                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
 331                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
 332                         con_out("Possible warnings:\n");
 333                         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 334                             util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
 335                             con_out(" -W%s\n", buffer);
 336                         }
 337                         exit(0);
 338                     }
 339                     else if (!strcmp(argv[0]+2, "NO_ERROR")) {
 340                         opts_werror = false;
 341                         break;
 342                     }
 343                     else if (!strcmp(argv[0]+2, "ERROR")) {
 344                         opts_werror = true;
 345                         break;
 346                     }
 347                     else if (!strcmp(argv[0]+2, "NONE")) {
 348                         for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
 349                             opts_warn[itr] = 0;
 350                         break;
 351                     }
 352                     else if (!strcmp(argv[0]+2, "ALL")) {
 353                         for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
 354                             opts_warn[itr] = 0xFFFFFFFFL;
 355                         break;
 356                     }
 357                     if (!strncmp(argv[0]+2, "NO_", 3)) {
 358                         if (!options_setwarn(argv[0]+5, false)) {
 359                             con_out("unknown warning: %s\n", argv[0]+2);
 360                             return false;
 361                         }
 362                     }
 363                     else if (!options_setwarn(argv[0]+2, true)) {
 364                         con_out("unknown warning: %s\n", argv[0]+2);
 365                         return false;
 366                     }
 367                     break;
 368
 369                 case 'O':
 370                     if (!options_witharg(&argc, &argv, &argarg)) {
 371                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
 372                         return false;
 373                     }
 374                     if (isdigit(argarg[0])) {
 375                         opts_O = atoi(argarg);
 376                         set_optimizations(opts_O);
 377                     } else {
 378                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
 379                         if (!strcmp(argarg, "HELP")) {
 380                             con_out("Possible optimizations:\n");
 381                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 382                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
 383                                 con_out(" -O%-20s (-O%u)\n", buffer, opts_opt_oflag[itr]);
 384                             }
 385                             exit(0);
 386                         }
 387                         else if (!strcmp(argarg, "ALL"))
 388                             set_optimizations(opts_O = 9999);
 389                         else if (!strncmp(argarg, "NO_", 3)) {
 390                             if (!options_setoptim(argarg+3, false)) {
 391                                 con_out("unknown optimization: %s\n", argarg+3);
 392                                 return false;
 393                             }
 394                         }
 395                         else {
 396                             if (!options_setoptim(argarg, true)) {
 397                                 con_out("unknown optimization: %s\n", argarg);
 398                                 return false;
 399                             }
 400                         }
 401                     }
 402                     break;
 403
 404                 case 'o':
 405                     if (!options_witharg(&argc, &argv, &argarg)) {
 406                         con_out("option -o requires an argument: the output file name\n");
 407                         return false;
 408                     }
 409                     opts_output = argarg;
 410                     opts_output_wasset = true;
 411                     break;
 412
 413                 case 'a':
 414                 case 's':
 415                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
 416                     if (!options_witharg(&argc, &argv, &argarg)) {
 417                         con_out("option -a requires a filename %s\n",
 418                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
 419                         return false;
 420                     }
 421                     item.filename = argarg;
 422                     vec_push(items, item);
 423                     break;
 424
 425                 case '-':
 426                     if (!argv[0][2]) {
 427                         /* anything following -- is considered a non-option argument */
 428                         argend = true;
 429                         break;
 430                     }
 431             /* All long options without arguments */
 432                     else if (!strcmp(argv[0]+2, "help")) {
 433                         usage();
 434                         exit(0);
 435                     }
 436                     else {
 437             /* All long options with arguments */
 438                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
 439                             opts_output = argarg;
 440                             opts_output_wasset = true;
 441                         } else {
 442                             con_out("Unknown parameter: %s\n", argv[0]);
 443                             return false;
 444                         }
 445                     }
 446                     break;
 447
 448                 default:
 449                     con_out("Unknown parameter: %s\n", argv[0]);
 450                     return false;
 451             }
 452         }
 453         else
 454         {
 455             /* it's a QC filename */
 456             item.filename = argv[0];
 457             item.type     = TYPE_QC;
 458             vec_push(items, item);
 459         }
 460     }
 461     return true;
 462 }
 463
 464 /* returns the line number, or -1 on error */
 465 static bool progs_nextline(char **out, size_t *alen,FILE *src) {
 466     int    len;
 467     char  *line;
 468     char  *start;
 469     char  *end;
 470
 471     line = *out;
 472     len = util_getline(&line, alen, src);
 473     if (len == -1)
 474         return false;
 475
 476     /* start at first non-blank */
 477     for (start = line; isspace(*start); ++start) {}
 478     /* end at the first non-blank */
 479     for (end = start;  *end && !isspace(*end);  ++end)   {}
 480
 481     *out = line;
 482     /* move the actual filename to the beginning */
 483     while (start != end) {
 484         *line++ = *start++;
 485     }
 486     *line = 0;
 487     return true;
 488 }
 489
 490 int main(int argc, char **argv) {
 491     size_t itr;
 492     int retval = 0;
 493     bool opts_output_free = false;
 494     bool operators_free = false;
 495     bool progs_src = false;
 496     FILE *outfile = NULL;
 497
 498     app_name = argv[0];
 499     con_init();
 500
 501     /* default options / warn flags */
 502     options_set(opts_warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
 503     options_set(opts_warn, WARN_EXTENSIONS, true);
 504     options_set(opts_warn, WARN_FIELD_REDECLARED, true);
 505     options_set(opts_warn, WARN_TOO_FEW_PARAMETERS, true);
 506     options_set(opts_warn, WARN_MISSING_RETURN_VALUES, true);
 507     options_set(opts_warn, WARN_USED_UNINITIALIZED, true);
 508     options_set(opts_warn, WARN_LOCAL_CONSTANTS, true);
 509     options_set(opts_warn, WARN_VOID_VARIABLES, true);
 510     options_set(opts_warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
 511     options_set(opts_warn, WARN_VARIADIC_FUNCTION, true);
 512     options_set(opts_warn, WARN_FRAME_MACROS, true);
 513     options_set(opts_warn, WARN_UNUSED_VARIABLE, true);
 514     options_set(opts_warn, WARN_EFFECTLESS_STATEMENT, true);
 515     options_set(opts_warn, WARN_END_SYS_FIELDS, true);
 516     options_set(opts_warn, WARN_ASSIGN_FUNCTION_TYPES, true);
 517     options_set(opts_warn, WARN_PREPROCESSOR, true);
 518     options_set(opts_warn, WARN_MULTIFILE_IF, true);
 519     options_set(opts_warn, WARN_DOUBLE_DECLARATION, true);
 520     options_set(opts_warn, WARN_CONST_VAR, true);
 521     options_set(opts_warn, WARN_MULTIBYTE_CHARACTER, true);
 522
 523     options_set(opts_flags, ADJUST_VECTOR_FIELDS, true);
 524     options_set(opts_flags, FTEPP, false);
 525     options_set(opts_flags, CORRECT_TERNARY, true);
 526
 527     if (!options_parse(argc, argv)) {
 528         return usage();
 529     }
 530
 531     /* the standard decides which set of operators to use */
 532     if (opts_standard == COMPILER_GMQCC) {
 533         operators = c_operators;
 534         operator_count = c_operator_count;
 535     } else if (opts_standard == COMPILER_FTEQCC) {
 536         operators = fte_operators;
 537         operator_count = fte_operator_count;
 538     } else {
 539         operators = qcc_operators;
 540         operator_count = qcc_operator_count;
 541     }
 542
 543     if (operators == fte_operators) {
 544         /* fix ternary? */
 545         if (OPTS_FLAG(CORRECT_TERNARY)) {
 546             oper_info *newops;
 547             if (operators[operator_count-2].id != opid1(',') ||
 548                 operators[operator_count-1].id != opid2(':','?'))
 549             {
 550                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
 551                 exit(1);
 552             }
 553             operators_free = true;
 554             newops = mem_a(sizeof(operators[0]) * operator_count);
 555             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
 556             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
 557             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
 558             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
 559             operators = newops;
 560         }
 561     }
 562
 563     if (opts_dump) {
 564         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
 565             con_out("Flag %s = %i\n", opts_flag_list[itr].name, OPTS_FLAG(itr));
 566         }
 567         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
 568             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
 569         }
 570         con_out("output = %s\n", opts_output);
 571         con_out("optimization level = %i\n", (int)opts_O);
 572         con_out("standard = %i\n", opts_standard);
 573     }
 574
 575     if (opts_pp_only) {
 576         if (opts_output_wasset) {
 577             outfile = util_fopen(opts_output, "wb");
 578             if (!outfile) {
 579                 con_err("failed to open `%s` for writing\n", opts_output);
 580                 retval = 1;
 581                 goto cleanup;
 582             }
 583         }
 584         else
 585             outfile = stdout;
 586     }
 587
 588     if (!opts_pp_only) {
 589         if (!parser_init()) {
 590             con_err("failed to initialize parser\n");
 591             retval = 1;
 592             goto cleanup;
 593         }
 594     }
 595     if (opts_pp_only || OPTS_FLAG(FTEPP)) {
 596         if (!ftepp_init()) {
 597             con_err("failed to initialize parser\n");
 598             retval = 1;
 599             goto cleanup;
 600         }
 601     }
 602
 603     util_debug("COM", "starting ...\n");
 604
 605     if (!vec_size(items)) {
 606         FILE *src;
 607         char *line;
 608         size_t linelen = 0;
 609
 610         progs_src = true;
 611
 612         src = util_fopen("progs.src", "rb");
 613         if (!src) {
 614             con_err("failed to open `progs.src` for reading\n");
 615             retval = 1;
 616             goto cleanup;
 617         }
 618
 619         line = NULL;
 620         if (!progs_nextline(&line, &linelen, src) || !line[0]) {
 621             con_err("illformatted progs.src file: expected output filename in first line\n");
 622             retval = 1;
 623             goto srcdone;
 624         }
 625
 626         if (!opts_output_wasset) {
 627             opts_output = util_strdup(line);
 628             opts_output_free = true;
 629         }
 630
 631         while (progs_nextline(&line, &linelen, src)) {
 632             argitem item;
 633             if (!line[0] || (line[0] == '/' && line[1] == '/'))
 634                 continue;
 635             item.filename = util_strdup(line);
 636             item.type     = TYPE_QC;
 637             vec_push(items, item);
 638         }
 639
 640 srcdone:
 641         fclose(src);
 642         mem_d(line);
 643     }
 644
 645     if (retval)
 646         goto cleanup;
 647
 648     if (vec_size(items)) {
 649         if (!opts_pp_only) {
 650             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
 651             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
 652         }
 653         for (itr = 0; itr < vec_size(items); ++itr) {
 654             if (!opts_pp_only) {
 655                 con_out("  item: %s (%s)\n",
 656                        items[itr].filename,
 657                        ( (items[itr].type == TYPE_QC ? "qc" :
 658                          (items[itr].type == TYPE_ASM ? "asm" :
 659                          (items[itr].type == TYPE_SRC ? "progs.src" :
 660                          ("unknown"))))));
 661             }
 662
 663             if (opts_pp_only) {
 664                 const char *out;
 665                 if (!ftepp_preprocess_file(items[itr].filename)) {
 666                     retval = 1;
 667                     goto cleanup;
 668                 }
 669                 out = ftepp_get();
 670                 if (out)
 671                     fprintf(outfile, "%s", out);
 672                 ftepp_flush();
 673             }
 674             else {
 675                 if (OPTS_FLAG(FTEPP)) {
 676                     const char *data;
 677                     if (!ftepp_preprocess_file(items[itr].filename)) {
 678                         retval = 1;
 679                         goto cleanup;
 680                     }
 681                     data = ftepp_get();
 682                     if (vec_size(data)) {
 683                         if (!parser_compile_string_len(items[itr].filename, data, vec_size(data))) {
 684                             retval = 1;
 685                             goto cleanup;
 686                         }
 687                     }
 688                     ftepp_flush();
 689                 }
 690                 else {
 691                     if (!parser_compile_file(items[itr].filename)) {
 692                         retval = 1;
 693                         goto cleanup;
 694                     }
 695                 }
 696             }
 697
 698             if (progs_src) {
 699                 mem_d(items[itr].filename);
 700                 items[itr].filename = NULL;
 701             }
 702         }
 703
 704         ftepp_finish();
 705         if (!opts_pp_only) {
 706             if (!parser_finish(opts_output)) {
 707                 retval = 1;
 708                 goto cleanup;
 709             }
 710         }
 711     }
 712
 713     /* stuff */
 714
 715     if (!opts_pp_only) {
 716         for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
 717             if (optimization_count[itr]) {
 718                 con_out("%s: %u\n", opts_opt_list[itr].name, (unsigned int)optimization_count[itr]);
 719             }
 720         }
 721     }
 722
 723 cleanup:
 724     util_debug("COM", "cleaning ...\n");
 725     ftepp_finish();
 726     con_close();
 727     vec_free(items);
 728
 729     if (!opts_pp_only)
 730         parser_cleanup();
 731     if (opts_output_free)
 732         mem_d((char*)opts_output);
 733     if (operators_free)
 734         mem_d((void*)operators);
 735
 736     lex_cleanup();
 737     util_meminfo();
 738     return retval;
 739 }