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