Update doc/specification.tex
[xonotic/gmqcc.git] / main.c
1 /*
2  * Copyright (C) 2012, 2013
3  *     Dale Weiler
4  *     Wolfgang Bumiller
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy of
7  * this software and associated documentation files (the "Software"), to deal in
8  * the Software without restriction, including without limitation the rights to
9  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10  * of the Software, and to permit persons to whom the Software is furnished to do
11  * so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 #include "gmqcc.h"
25 #include "lexer.h"
26 #include <time.h>
27
28 /* TODO: cleanup this whole file .. it's a fuckign mess */
29
30 /* set by the standard */
31 const oper_info *operators      = NULL;
32 size_t           operator_count = 0;
33 static bool      opts_output_wasset = false;
34
35 typedef struct { char *filename; int   type;  } argitem;
36 typedef struct { char *name;     char *value; } ppitem;
37 static argitem *items = NULL;
38 static ppitem  *ppems = NULL;
39
40 #define TYPE_QC  0
41 #define TYPE_ASM 1
42 #define TYPE_SRC 2
43
44 static const char *app_name;
45
46 static void version() {
47     con_out("GMQCC %d.%d.%d Built %s %s\n",
48         GMQCC_VERSION_MAJOR,
49         GMQCC_VERSION_MINOR,
50         GMQCC_VERSION_PATCH,
51         __DATE__,
52         __TIME__
53     );
54 #ifdef GMQCC_GITINFO
55     con_out("git build: %s\n", GMQCC_GITINFO);
56 #elif defined(GMQCC_VERION_TYPE_DEVEL)
57     con_out("development build\n");
58 #endif
59 }
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             "  -s filename            add a progs.src file to be used\n");
69     con_out("  -E                     stop after preprocessing\n");
70     con_out("  -q, --quiet            be less verbose\n");
71     con_out("  -config file           use the specified ini file\n");
72     con_out("  -std=standard          select one of the following standards\n"
73             "       -std=qcc          original QuakeC\n"
74             "       -std=fteqcc       fteqcc QuakeC\n"
75             "       -std=gmqcc        this compiler (default)\n");
76     con_out("  -f<flag>               enable a flag\n"
77             "  -fno-<flag>            disable a flag\n"
78             "  -fhelp                 list possible flags\n");
79     con_out("  -W<warning>            enable a warning\n"
80             "  -Wno-<warning>         disable a warning\n"
81             "  -Wall                  enable all warnings\n");
82     con_out("  -Werror                treat warnings as errors\n"
83             "  -Werror-<warning>      treat a warning as error\n"
84             "  -Wno-error-<warning>   opposite of the above\n");
85     con_out("  -Whelp                 list possible warnings\n");
86     con_out("  -O<number>             optimization level\n"
87             "  -O<name>               enable specific optimization\n"
88             "  -Ono-<name>            disable specific optimization\n"
89             "  -Ohelp                 list optimizations\n");
90     con_out("  -force-crc=num         force a specific checksum into the header\n");
91     return -1;
92 }
93
94 /* command line parsing */
95 static bool options_witharg(int *argc_, char ***argv_, char **out) {
96     int  argc   = *argc_;
97     char **argv = *argv_;
98
99     if (argv[0][2]) {
100         *out = argv[0]+2;
101         return true;
102     }
103     /* eat up the next */
104     if (argc < 2) /* no parameter was provided */
105         return false;
106
107     *out = argv[1];
108     --*argc_;
109     ++*argv_;
110     return true;
111 }
112
113 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
114     int  argc   = *argc_;
115     char **argv = *argv_;
116
117     size_t len = strlen(optname);
118
119     if (strncmp(argv[0]+ds, optname, len))
120         return false;
121
122     /* it's --optname, check how the parameter is supplied */
123     if (argv[0][ds+len] == '=') {
124         /* using --opt=param */
125         *out = argv[0]+ds+len+1;
126         return true;
127     }
128
129     if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
130         return false;
131
132     /* using --opt param */
133     *out = argv[1];
134     --*argc_;
135     ++*argv_;
136     return true;
137 }
138 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
139     return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
140 }
141 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
142     return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
143 }
144
145 static bool options_parse(int argc, char **argv) {
146     bool argend = false;
147     size_t itr;
148     char  buffer[1024];
149     char *redirout = NULL;
150     char *redirerr = NULL;
151     char *config   = NULL;
152
153     while (!argend && argc > 1) {
154         char *argarg;
155         argitem item;
156         ppitem  macro;
157
158         ++argv;
159         --argc;
160
161         if (argv[0][0] == '-') {
162             /* All gcc-type long options */
163             if (options_long_gcc("std", &argc, &argv, &argarg)) {
164                 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
165
166                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,          true);
167                     opts_set(opts.flags, CORRECT_LOGIC,                 true);
168                     opts_set(opts.flags, FALSE_EMPTY_STRINGS,           false);
169                     opts_set(opts.flags, TRUE_EMPTY_STRINGS,            true);
170                     opts_set(opts.flags, LOOP_LABELS,                   true);
171                     opts_set(opts.flags, TRANSLATABLE_STRINGS,          true);
172                     opts_set(opts.flags, INITIALIZED_NONCONSTANTS,      true);
173                     opts_set(opts.werror, WARN_INVALID_PARAMETER_COUNT, true);
174                     opts_set(opts.werror, WARN_MISSING_RETURN_VALUES,   true);
175
176
177                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_GMQCC;
178
179                 } else if (!strcmp(argarg, "qcc")) {
180
181                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
182                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES, true);
183
184                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCC;
185
186                 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
187
188                     opts_set(opts.flags, FTEPP,                    true);
189                     opts_set(opts.flags, TRANSLATABLE_STRINGS,     true);
190                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,     false);
191                     opts_set(opts.flags, ASSIGN_FUNCTION_TYPES,    true);
192                     opts_set(opts.flags, CORRECT_TERNARY,          false);
193                     opts_set(opts.warn, WARN_TERNARY_PRECEDENCE,   true);
194
195                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_FTEQCC;
196
197                 } else if (!strcmp(argarg, "qccx")) {
198
199                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
200                     OPTS_OPTION_U32(OPTION_STANDARD) = COMPILER_QCCX;
201
202                 } else {
203                     con_out("Unknown standard: %s\n", argarg);
204                     return false;
205                 }
206                 continue;
207             }
208             if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
209
210                 OPTS_OPTION_BOOL(OPTION_FORCECRC)   = true;
211                 OPTS_OPTION_U16 (OPTION_FORCED_CRC) = strtol(argarg, NULL, 0);
212                 continue;
213             }
214             if (options_long_gcc("redirout", &argc, &argv, &redirout)) {
215                 con_change(redirout, redirerr);
216                 continue;
217             }
218             if (options_long_gcc("redirerr", &argc, &argv, &redirerr)) {
219                 con_change(redirout, redirerr);
220                 continue;
221             }
222             if (options_long_gcc("config", &argc, &argv, &argarg)) {
223                 config = argarg;
224                 continue;
225             }
226
227             /* show defaults (like pathscale) */
228             if (!strcmp(argv[0]+1, "show-defaults")) {
229                 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
230                     if (!OPTS_FLAG(itr))
231                         continue;
232
233                     memset(buffer, 0, sizeof(buffer));
234                     util_strtononcmd(opts_flag_list[itr].name, buffer, strlen(opts_flag_list[itr].name) + 1);
235
236                     con_out("-f%s ", buffer);
237                 }
238                 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
239                     if (!OPTS_WARN(itr))
240                         continue;
241
242                     memset(buffer, 0, sizeof(buffer));
243                     util_strtononcmd(opts_warn_list[itr].name, buffer, strlen(opts_warn_list[itr].name) + 1);
244                     con_out("-W%s ", buffer);
245                 }
246                 con_out("\n");
247                 exit(0);
248             }
249
250             if (!strcmp(argv[0]+1, "debug")) {
251                 OPTS_OPTION_BOOL(OPTION_DEBUG) = true;
252                 continue;
253             }
254             if (!strcmp(argv[0]+1, "dump")) {
255                 OPTS_OPTION_BOOL(OPTION_DUMP)  = true;
256                 continue;
257             }
258             if (!strcmp(argv[0]+1, "dumpfin")) {
259                 OPTS_OPTION_BOOL(OPTION_DUMPFIN) = true;
260                 continue;
261             }
262             if (!strcmp(argv[0]+1, "memchk")) {
263                 OPTS_OPTION_BOOL(OPTION_MEMCHK) = true;
264                 continue;
265             }
266             if (!strcmp(argv[0]+1, "nocolor")) {
267                 con_color(0);
268                 continue;
269             }
270
271             switch (argv[0][1]) {
272                 /* -h, show usage but exit with 0 */
273                 case 'h':
274                     usage();
275                     exit(0);
276                     /* break; never reached because of exit(0) */
277
278                 case 'v':
279                     version();
280                     exit(0);
281
282                 case 'E':
283                     OPTS_OPTION_BOOL(OPTION_PP_ONLY) = true;
284                     opts_set(opts.flags, FTEPP_PREDEFS, true); /* predefs on for -E */
285                     break;
286
287                 /* debug turns on -flno */
288                 case 'g':
289                     opts_setflag("LNO", true);
290                     OPTS_OPTION_BOOL(OPTION_G) = true;
291                     break;
292
293                 case 'q':
294                     OPTS_OPTION_BOOL(OPTION_QUIET) = true;
295                     break;
296
297                 case 'D':
298                     if (!strlen(argv[0]+2)) {
299                         con_err("expected name after -D\n");
300                         exit(0);
301                     }
302
303                     if (!(argarg = strchr(argv[0] + 2, '='))) {
304                         macro.name  = util_strdup(argv[0]+2);
305                         macro.value = NULL;
306                     } else {
307                         *argarg='\0'; /* terminate for name */
308                         macro.name  = util_strdup(argv[0]+2);
309                         macro.value = util_strdup(argarg+1);
310                     }
311                     vec_push(ppems, macro);
312                     break;
313
314                 /* handle all -fflags */
315                 case 'f':
316                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
317                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
318                         con_out("Possible flags:\n\n");
319                         for (itr = 0; itr < COUNT_FLAGS; ++itr) {
320                             util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
321                             con_out(" -f%s\n", buffer);
322                         }
323                         exit(0);
324                     }
325                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
326                         if (!opts_setflag(argv[0]+5, false)) {
327                             con_out("unknown flag: %s\n", argv[0]+2);
328                             return false;
329                         }
330                     }
331                     else if (!opts_setflag(argv[0]+2, true)) {
332                         con_out("unknown flag: %s\n", argv[0]+2);
333                         return false;
334                     }
335                     break;
336                 case 'W':
337                     util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
338                     if (!strcmp(argv[0]+2, "HELP") || *(argv[0]+2) == '?') {
339                         con_out("Possible warnings:\n");
340                         for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
341                             util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
342                             con_out(" -W%s\n", buffer);
343                             if (itr == WARN_DEBUG)
344                                 con_out("   Warnings included by -Wall:\n");
345                         }
346                         exit(0);
347                     }
348                     else if (!strcmp(argv[0]+2, "NO_ERROR") ||
349                              !strcmp(argv[0]+2, "NO_ERROR_ALL"))
350                     {
351                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
352                             opts.werror[itr] = 0;
353                         break;
354                     }
355                     else if (!strcmp(argv[0]+2, "ERROR") ||
356                              !strcmp(argv[0]+2, "ERROR_ALL"))
357                     {
358                         opts_backup_non_Werror_all();
359                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
360                             opts.werror[itr] = 0xFFFFFFFFL;
361                         opts_restore_non_Werror_all();
362                         break;
363                     }
364                     else if (!strcmp(argv[0]+2, "NONE")) {
365                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
366                             opts.warn[itr] = 0;
367                         break;
368                     }
369                     else if (!strcmp(argv[0]+2, "ALL")) {
370                         opts_backup_non_Wall();
371                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
372                             opts.warn[itr] = 0xFFFFFFFFL;
373                         opts_restore_non_Wall();
374                         break;
375                     }
376                     else if (!strncmp(argv[0]+2, "ERROR_", 6)) {
377                         if (!opts_setwerror(argv[0]+8, true)) {
378                             con_out("unknown warning: %s\n", argv[0]+2);
379                             return false;
380                         }
381                     }
382                     else if (!strncmp(argv[0]+2, "NO_ERROR_", 9)) {
383                         if (!opts_setwerror(argv[0]+11, false)) {
384                             con_out("unknown warning: %s\n", argv[0]+2);
385                             return false;
386                         }
387                     }
388                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
389                         if (!opts_setwarn(argv[0]+5, false)) {
390                             con_out("unknown warning: %s\n", argv[0]+2);
391                             return false;
392                         }
393                     }
394                     else if (!opts_setwarn(argv[0]+2, true)) {
395                         con_out("unknown warning: %s\n", argv[0]+2);
396                         return false;
397                     }
398                     break;
399
400                 case 'O':
401                     if (!options_witharg(&argc, &argv, &argarg)) {
402                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
403                         return false;
404                     }
405                     if (isdigit(argarg[0])) {
406                         uint32_t val = atoi(argarg);
407                         OPTS_OPTION_U32(OPTION_O) = val;
408                         opts_setoptimlevel(val);
409                     } else {
410                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
411                         if (!strcmp(argarg, "HELP")) {
412                             con_out("Possible optimizations:\n");
413                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
414                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
415                                 con_out(" -O%-20s (-O%u)\n", buffer, opts_opt_oflag[itr]);
416                             }
417                             exit(0);
418                         }
419                         else if (!strcmp(argarg, "ALL"))
420                             opts_setoptimlevel(OPTS_OPTION_U32(OPTION_O) = 9999);
421                         else if (!strncmp(argarg, "NO_", 3)) {
422                             if (!opts_setoptim(argarg+3, false)) {
423                                 con_out("unknown optimization: %s\n", argarg+3);
424                                 return false;
425                             }
426                         }
427                         else {
428                             if (!opts_setoptim(argarg, true)) {
429                                 con_out("unknown optimization: %s\n", argarg);
430                                 return false;
431                             }
432                         }
433                     }
434                     break;
435
436                 case 'o':
437                     if (!options_witharg(&argc, &argv, &argarg)) {
438                         con_out("option -o requires an argument: the output file name\n");
439                         return false;
440                     }
441                     OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
442                     opts_output_wasset = true;
443                     break;
444
445                 case 'a':
446                 case 's':
447                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
448                     if (!options_witharg(&argc, &argv, &argarg)) {
449                         con_out("option -a requires a filename %s\n",
450                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
451                         return false;
452                     }
453                     item.filename = argarg;
454                     vec_push(items, item);
455                     break;
456
457                 case '-':
458                     if (!argv[0][2]) {
459                         /* anything following -- is considered a non-option argument */
460                         argend = true;
461                         break;
462                     }
463             /* All long options without arguments */
464                     else if (!strcmp(argv[0]+2, "help")) {
465                         usage();
466                         exit(0);
467                     }
468                     else if (!strcmp(argv[0]+2, "version")) {
469                         version();
470                         exit(0);
471                     }
472                     else if (!strcmp(argv[0]+2, "quiet")) {
473                         OPTS_OPTION_BOOL(OPTION_QUIET) = true;
474                         break;
475                     }
476                     else if (!strcmp(argv[0]+2, "correct")) {
477                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = true;
478                         break;
479                     }
480                     else if (!strcmp(argv[0]+2, "no-correct")) {
481                         OPTS_OPTION_BOOL(OPTION_CORRECTION) = false;
482                         break;
483                     }
484                     else if (!strcmp(argv[0]+2, "add-info")) {
485                         OPTS_OPTION_BOOL(OPTION_ADD_INFO) = true;
486                         break;
487                     }
488                     else {
489             /* All long options with arguments */
490                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
491                             OPTS_OPTION_STR(OPTION_OUTPUT) = argarg;
492                             opts_output_wasset = true;
493                         } else {
494                             con_out("Unknown parameter: %s\n", argv[0]);
495                             return false;
496                         }
497                     }
498                     break;
499
500                 default:
501                     con_out("Unknown parameter: %s\n", argv[0]);
502                     return false;
503             }
504         }
505         else
506         {
507             /* it's a QC filename */
508             item.filename = argv[0];
509             item.type     = TYPE_QC;
510             vec_push(items, item);
511         }
512     }
513     opts_ini_init(config);
514     return true;
515 }
516
517 /* returns the line number, or -1 on error */
518 static bool progs_nextline(char **out, size_t *alen,FILE *src) {
519     int    len;
520     char  *line;
521     char  *start;
522     char  *end;
523
524     line = *out;
525     len  = file_getline(&line, alen, src);
526     if (len == -1)
527         return false;
528
529     /* start at first non-blank */
530     for (start = line; isspace(*start); ++start) {}
531     /* end at the first non-blank */
532     for (end = start;  *end && !isspace(*end);  ++end)   {}
533
534     *out = line;
535     /* move the actual filename to the beginning */
536     while (start != end) {
537         *line++ = *start++;
538     }
539     *line = 0;
540     return true;
541 }
542
543 int main(int argc, char **argv) {
544     size_t itr;
545     int    retval           = 0;
546     bool   opts_output_free = false;
547     bool   operators_free   = false;
548     bool   progs_src        = false;
549     FILE  *outfile          = NULL;
550
551     app_name = argv[0];
552     con_init ();
553     opts_init("progs.dat", COMPILER_GMQCC, (1024 << 3));
554
555     util_seed(time(0));
556
557     if (!options_parse(argc, argv)) {
558         return usage();
559     }
560
561     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
562         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
563         exit(EXIT_FAILURE);
564     }
565
566     /* the standard decides which set of operators to use */
567     if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
568         operators      = c_operators;
569         operator_count = c_operator_count;
570     } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
571         operators      = fte_operators;
572         operator_count = fte_operator_count;
573     } else {
574         operators      = qcc_operators;
575         operator_count = qcc_operator_count;
576     }
577
578     if (operators == fte_operators) {
579         /* fix ternary? */
580         if (OPTS_FLAG(CORRECT_TERNARY)) {
581             oper_info *newops;
582             if (operators[operator_count-2].id != opid1(',') ||
583                 operators[operator_count-1].id != opid2(':','?'))
584             {
585                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
586                 exit(EXIT_FAILURE);
587             }
588             operators_free = true;
589             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
590             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
591             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
592             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
593             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
594             operators = newops;
595         }
596     }
597
598     if (OPTS_OPTION_BOOL(OPTION_DUMP)) {
599         for (itr = 0; itr < COUNT_FLAGS; ++itr)
600             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
601         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
602             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
603
604         con_out("output             = %s\n", OPTS_OPTION_STR(OPTION_OUTPUT));
605         con_out("optimization level = %u\n", OPTS_OPTION_U32(OPTION_O));
606         con_out("standard           = %u\n", OPTS_OPTION_U32(OPTION_STANDARD));
607     }
608
609     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
610         if (opts_output_wasset) {
611             outfile = file_open(OPTS_OPTION_STR(OPTION_OUTPUT), "wb");
612             if (!outfile) {
613                 con_err("failed to open `%s` for writing\n", OPTS_OPTION_STR(OPTION_OUTPUT));
614                 retval = 1;
615                 goto cleanup;
616             }
617         }
618         else {
619             outfile = con_default_out();
620         }
621     }
622
623     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
624         if (!parser_init()) {
625             con_err("failed to initialize parser\n");
626             retval = 1;
627             goto cleanup;
628         }
629     }
630
631     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
632         if (!ftepp_init()) {
633             con_err("failed to initialize parser\n");
634             retval = 1;
635             goto cleanup;
636         }
637     }
638
639     if (OPTS_FLAG(TRUE_EMPTY_STRINGS))
640         type_not_instr[TYPE_STRING] = INSTR_NOT_F;
641
642     util_debug("COM", "starting ...\n");
643
644     /* add macros */
645     if (OPTS_OPTION_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
646         for (itr = 0; itr < vec_size(ppems); itr++) {
647             ftepp_add_macro(ppems[itr].name, ppems[itr].value);
648             mem_d(ppems[itr].name);
649
650             /* can be null */
651             if (ppems[itr].value)
652                 mem_d(ppems[itr].value);
653         }
654     }
655
656     if (!vec_size(items)) {
657         FILE *src;
658         char *line;
659         size_t linelen = 0;
660
661         progs_src = true;
662
663         src = file_open("progs.src", "rb");
664         if (!src) {
665             con_err("failed to open `progs.src` for reading\n");
666             retval = 1;
667             goto cleanup;
668         }
669
670         line = NULL;
671         if (!progs_nextline(&line, &linelen, src) || !line[0]) {
672             con_err("illformatted progs.src file: expected output filename in first line\n");
673             retval = 1;
674             goto srcdone;
675         }
676
677         if (!opts_output_wasset) {
678             OPTS_OPTION_STR(OPTION_OUTPUT) = util_strdup(line);
679             opts_output_free = true;
680         }
681
682         while (progs_nextline(&line, &linelen, src)) {
683             argitem item;
684             if (!line[0] || (line[0] == '/' && line[1] == '/'))
685                 continue;
686             item.filename = util_strdup(line);
687             item.type     = TYPE_QC;
688             vec_push(items, item);
689         }
690
691 srcdone:
692         file_close(src);
693         mem_d(line);
694     }
695
696     if (retval)
697         goto cleanup;
698
699     if (vec_size(items)) {
700         if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
701             !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
702         {
703             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
704             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
705         }
706         for (itr = 0; itr < vec_size(items); ++itr) {
707             if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
708                 !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
709             {
710                 con_out("  item: %s (%s)\n",
711                        items[itr].filename,
712                        ( (items[itr].type == TYPE_QC ? "qc" :
713                          (items[itr].type == TYPE_ASM ? "asm" :
714                          (items[itr].type == TYPE_SRC ? "progs.src" :
715                          ("unknown"))))));
716             }
717
718             if (OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
719                 const char *out;
720                 if (!ftepp_preprocess_file(items[itr].filename)) {
721                     retval = 1;
722                     goto cleanup;
723                 }
724                 out = ftepp_get();
725                 if (out)
726                     file_printf(outfile, "%s", out);
727                 ftepp_flush();
728             }
729             else {
730                 if (OPTS_FLAG(FTEPP)) {
731                     const char *data;
732                     if (!ftepp_preprocess_file(items[itr].filename)) {
733                         retval = 1;
734                         goto cleanup;
735                     }
736                     data = ftepp_get();
737                     if (vec_size(data)) {
738                         if (!parser_compile_string(items[itr].filename, data, vec_size(data))) {
739                             retval = 1;
740                             goto cleanup;
741                         }
742                     }
743                     ftepp_flush();
744                 }
745                 else {
746                     if (!parser_compile_file(items[itr].filename)) {
747                         retval = 1;
748                         goto cleanup;
749                     }
750                 }
751             }
752
753             if (progs_src) {
754                 mem_d(items[itr].filename);
755                 items[itr].filename = NULL;
756             }
757         }
758
759         ftepp_finish();
760         if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY)) {
761             if (!parser_finish(OPTS_OPTION_STR(OPTION_OUTPUT))) {
762                 retval = 1;
763                 goto cleanup;
764             }
765         }
766     }
767
768     /* stuff */
769     if (!OPTS_OPTION_BOOL(OPTION_QUIET) &&
770         !OPTS_OPTION_BOOL(OPTION_PP_ONLY))
771     {
772         for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
773             if (opts_optimizationcount[itr]) {
774                 con_out("%s: %u\n", opts_opt_list[itr].name, (unsigned int)opts_optimizationcount[itr]);
775             }
776         }
777     }
778
779 cleanup:
780     util_debug("COM", "cleaning ...\n");
781     ftepp_finish();
782     con_close();
783     vec_free(items);
784     vec_free(ppems);
785
786     if (!OPTS_OPTION_BOOL(OPTION_PP_ONLY))
787         parser_cleanup();
788     if (opts_output_free)
789         mem_d(OPTS_OPTION_STR(OPTION_OUTPUT));
790     if (operators_free)
791         mem_d((void*)operators);
792
793     lex_cleanup();
794     util_meminfo();
795     return retval;
796 }