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Work in progress options cleanup.
[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                     OPTION_VALUE_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                     OPTION_VALUE_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                     OPTION_VALUE_U32(OPTION_STANDARD) = COMPILER_FTEQCC;
196
197                 } else if (!strcmp(argarg, "qccx")) {
198
199                     opts_set(opts.flags, ADJUST_VECTOR_FIELDS,  false);
200                     OPTION_VALUE_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                 OPTION_VALUE_BOOL(OPTION_FORCECRC)   = true;
211                 OPTION_VALUE_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                 OPTION_VALUE_BOOL(OPTION_DEBUG) = true;
252                 continue;
253             }
254             if (!strcmp(argv[0]+1, "dump")) {
255                 OPTION_VALUE_BOOL(OPTION_DUMP)  = true;
256                 continue;
257             }
258             if (!strcmp(argv[0]+1, "dumpfin")) {
259                 OPTION_VALUE_BOOL(OPTION_DUMPFIN) = true;
260                 continue;
261             }
262             if (!strcmp(argv[0]+1, "memchk")) {
263                 OPTION_VALUE_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                     OPTION_VALUE_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                     OPTION_VALUE_BOOL(OPTION_G) = true;
291                     break;
292
293                 case 'q':
294                     OPTION_VALUE_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%s\n\n", buffer, opts_flag_list[itr].description);
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%s\n\n\n", buffer, opts_warn_list[itr].description);
343                         }
344                         exit(0);
345                     }
346                     else if (!strcmp(argv[0]+2, "NO_ERROR") ||
347                              !strcmp(argv[0]+2, "NO_ERROR_ALL"))
348                     {
349                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
350                             opts.werror[itr] = 0;
351                         break;
352                     }
353                     else if (!strcmp(argv[0]+2, "ERROR") ||
354                              !strcmp(argv[0]+2, "ERROR_ALL"))
355                     {
356                         opts_backup_non_Werror_all();
357                         for (itr = 0; itr < sizeof(opts.werror)/sizeof(opts.werror[0]); ++itr)
358                             opts.werror[itr] = 0xFFFFFFFFL;
359                         opts_restore_non_Werror_all();
360                         break;
361                     }
362                     else if (!strcmp(argv[0]+2, "NONE")) {
363                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
364                             opts.warn[itr] = 0;
365                         break;
366                     }
367                     else if (!strcmp(argv[0]+2, "ALL")) {
368                         opts_backup_non_Wall();
369                         for (itr = 0; itr < sizeof(opts.warn)/sizeof(opts.warn[0]); ++itr)
370                             opts.warn[itr] = 0xFFFFFFFFL;
371                         opts_restore_non_Wall();
372                         break;
373                     }
374                     else if (!strncmp(argv[0]+2, "ERROR_", 6)) {
375                         if (!opts_setwerror(argv[0]+8, true)) {
376                             con_out("unknown warning: %s\n", argv[0]+2);
377                             return false;
378                         }
379                     }
380                     else if (!strncmp(argv[0]+2, "NO_ERROR_", 9)) {
381                         if (!opts_setwerror(argv[0]+11, false)) {
382                             con_out("unknown warning: %s\n", argv[0]+2);
383                             return false;
384                         }
385                     }
386                     else if (!strncmp(argv[0]+2, "NO_", 3)) {
387                         if (!opts_setwarn(argv[0]+5, false)) {
388                             con_out("unknown warning: %s\n", argv[0]+2);
389                             return false;
390                         }
391                     }
392                     else if (!opts_setwarn(argv[0]+2, true)) {
393                         con_out("unknown warning: %s\n", argv[0]+2);
394                         return false;
395                     }
396                     break;
397
398                 case 'O':
399                     if (!options_witharg(&argc, &argv, &argarg)) {
400                         con_out("option -O requires a numerical argument, or optimization name with an optional 'no-' prefix\n");
401                         return false;
402                     }
403                     if (isdigit(argarg[0])) {
404                         uint32_t val = atoi(argarg);
405                         OPTION_VALUE_U32(OPTION_O) = val;
406                         opts_setoptimlevel(val);
407                     } else {
408                         util_strtocmd(argarg, argarg, strlen(argarg)+1);
409                         if (!strcmp(argarg, "HELP")) {
410                             con_out("Possible optimizations:\n");
411                             for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
412                                 util_strtononcmd(opts_opt_list[itr].name, buffer, sizeof(buffer));
413                                 con_out(" -O%-20s (-O%u):\n%s\n\n", buffer, opts_opt_oflag[itr], opts_opt_list[itr].description);
414                             }
415                             exit(0);
416                         }
417                         else if (!strcmp(argarg, "ALL"))
418                             opts_setoptimlevel(OPTION_VALUE_U32(OPTION_O) = 9999);
419                         else if (!strncmp(argarg, "NO_", 3)) {
420                             if (!opts_setoptim(argarg+3, false)) {
421                                 con_out("unknown optimization: %s\n", argarg+3);
422                                 return false;
423                             }
424                         }
425                         else {
426                             if (!opts_setoptim(argarg, true)) {
427                                 con_out("unknown optimization: %s\n", argarg);
428                                 return false;
429                             }
430                         }
431                     }
432                     break;
433
434                 case 'o':
435                     if (!options_witharg(&argc, &argv, &argarg)) {
436                         con_out("option -o requires an argument: the output file name\n");
437                         return false;
438                     }
439                     OPTION_VALUE_STR(OPTION_OUTPUT) = argarg;
440                     opts_output_wasset = true;
441                     break;
442
443                 case 'a':
444                 case 's':
445                     item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
446                     if (!options_witharg(&argc, &argv, &argarg)) {
447                         con_out("option -a requires a filename %s\n",
448                                 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
449                         return false;
450                     }
451                     item.filename = argarg;
452                     vec_push(items, item);
453                     break;
454
455                 case '-':
456                     if (!argv[0][2]) {
457                         /* anything following -- is considered a non-option argument */
458                         argend = true;
459                         break;
460                     }
461             /* All long options without arguments */
462                     else if (!strcmp(argv[0]+2, "help")) {
463                         usage();
464                         exit(0);
465                     }
466                     else if (!strcmp(argv[0]+2, "version")) {
467                         version();
468                         exit(0);
469                     }
470                     else if (!strcmp(argv[0]+2, "quiet")) {
471                         OPTION_VALUE_BOOL(OPTION_QUIET) = true;
472                         break;
473                     }
474                     else if (!strcmp(argv[0]+2, "correct")) {
475                         OPTION_VALUE_BOOL(OPTION_CORRECTION) = true;
476                         break;
477                     }
478                     else if (!strcmp(argv[0]+2, "no-correct")) {
479                         OPTION_VALUE_BOOL(OPTION_CORRECTION) = false;
480                         break;
481                     }
482                     else if (!strcmp(argv[0]+2, "add-info")) {
483                         OPTION_VALUE_BOOL(OPTION_ADD_INFO) = true;
484                         break;
485                     }
486                     else {
487             /* All long options with arguments */
488                         if (options_long_witharg("output", &argc, &argv, &argarg)) {
489                             OPTION_VALUE_STR(OPTION_OUTPUT) = argarg;
490                             opts_output_wasset = true;
491                         } else {
492                             con_out("Unknown parameter: %s\n", argv[0]);
493                             return false;
494                         }
495                     }
496                     break;
497
498                 default:
499                     con_out("Unknown parameter: %s\n", argv[0]);
500                     return false;
501             }
502         }
503         else
504         {
505             /* it's a QC filename */
506             item.filename = argv[0];
507             item.type     = TYPE_QC;
508             vec_push(items, item);
509         }
510     }
511     opts_ini_init(config);
512     return true;
513 }
514
515 /* returns the line number, or -1 on error */
516 static bool progs_nextline(char **out, size_t *alen,FILE *src) {
517     int    len;
518     char  *line;
519     char  *start;
520     char  *end;
521
522     line = *out;
523     len  = file_getline(&line, alen, src);
524     if (len == -1)
525         return false;
526
527     /* start at first non-blank */
528     for (start = line; isspace(*start); ++start) {}
529     /* end at the first non-blank */
530     for (end = start;  *end && !isspace(*end);  ++end)   {}
531
532     *out = line;
533     /* move the actual filename to the beginning */
534     while (start != end) {
535         *line++ = *start++;
536     }
537     *line = 0;
538     return true;
539 }
540
541 int main(int argc, char **argv) {
542     size_t itr;
543     int    retval           = 0;
544     bool   opts_output_free = false;
545     bool   operators_free   = false;
546     bool   progs_src        = false;
547     FILE  *outfile          = NULL;
548
549     app_name = argv[0];
550     con_init ();
551     opts_init("progs.dat", COMPILER_GMQCC, (1024 << 3));
552
553     util_seed(time(0));
554
555     if (!options_parse(argc, argv)) {
556         return usage();
557     }
558
559     if (OPTS_FLAG(TRUE_EMPTY_STRINGS) && OPTS_FLAG(FALSE_EMPTY_STRINGS)) {
560         con_err("-ftrue-empty-strings and -ffalse-empty-strings are mutually exclusive");
561         exit(EXIT_FAILURE);
562     }
563
564     /* the standard decides which set of operators to use */
565     if (OPTION_VALUE_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
566         operators      = c_operators;
567         operator_count = c_operator_count;
568     } else if (OPTION_VALUE_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
569         operators      = fte_operators;
570         operator_count = fte_operator_count;
571     } else {
572         operators      = qcc_operators;
573         operator_count = qcc_operator_count;
574     }
575
576     if (operators == fte_operators) {
577         /* fix ternary? */
578         if (OPTS_FLAG(CORRECT_TERNARY)) {
579             oper_info *newops;
580             if (operators[operator_count-2].id != opid1(',') ||
581                 operators[operator_count-1].id != opid2(':','?'))
582             {
583                 con_err("internal error: operator precedence table wasn't updated correctly!\n");
584                 exit(EXIT_FAILURE);
585             }
586             operators_free = true;
587             newops = (oper_info*)mem_a(sizeof(operators[0]) * operator_count);
588             memcpy(newops, operators, sizeof(operators[0]) * operator_count);
589             memcpy(&newops[operator_count-2], &operators[operator_count-1], sizeof(newops[0]));
590             memcpy(&newops[operator_count-1], &operators[operator_count-2], sizeof(newops[0]));
591             newops[operator_count-2].prec = newops[operator_count-1].prec+1;
592             operators = newops;
593         }
594     }
595
596     if (OPTION_VALUE_BOOL(OPTION_DUMP)) {
597         for (itr = 0; itr < COUNT_FLAGS; ++itr)
598             con_out("Flag %s = %i\n",    opts_flag_list[itr].name, OPTS_FLAG(itr));
599         for (itr = 0; itr < COUNT_WARNINGS; ++itr)
600             con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
601
602         con_out("output             = %s\n", OPTION_VALUE_STR(OPTION_OUTPUT));
603         con_out("optimization level = %u\n", OPTION_VALUE_U32(OPTION_O));
604         con_out("standard           = %u\n", OPTION_VALUE_U32(OPTION_STANDARD));
605     }
606
607     if (OPTION_VALUE_BOOL(OPTION_PP_ONLY)) {
608         if (opts_output_wasset) {
609             outfile = file_open(OPTION_VALUE_STR(OPTION_OUTPUT), "wb");
610             if (!outfile) {
611                 con_err("failed to open `%s` for writing\n", OPTION_VALUE_STR(OPTION_OUTPUT));
612                 retval = 1;
613                 goto cleanup;
614             }
615         }
616         else {
617             outfile = con_default_out();
618         }
619     }
620
621     if (!OPTION_VALUE_BOOL(OPTION_PP_ONLY)) {
622         if (!parser_init()) {
623             con_err("failed to initialize parser\n");
624             retval = 1;
625             goto cleanup;
626         }
627     }
628
629     if (OPTION_VALUE_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
630         if (!ftepp_init()) {
631             con_err("failed to initialize parser\n");
632             retval = 1;
633             goto cleanup;
634         }
635     }
636
637     if (OPTS_FLAG(TRUE_EMPTY_STRINGS))
638         type_not_instr[TYPE_STRING] = INSTR_NOT_F;
639
640     util_debug("COM", "starting ...\n");
641
642     /* add macros */
643     if (OPTION_VALUE_BOOL(OPTION_PP_ONLY) || OPTS_FLAG(FTEPP)) {
644         for (itr = 0; itr < vec_size(ppems); itr++) {
645             ftepp_add_macro(ppems[itr].name, ppems[itr].value);
646             mem_d(ppems[itr].name);
647
648             /* can be null */
649             if (ppems[itr].value)
650                 mem_d(ppems[itr].value);
651         }
652     }
653
654     if (!vec_size(items)) {
655         FILE *src;
656         char *line;
657         size_t linelen = 0;
658
659         progs_src = true;
660
661         src = file_open("progs.src", "rb");
662         if (!src) {
663             con_err("failed to open `progs.src` for reading\n");
664             retval = 1;
665             goto cleanup;
666         }
667
668         line = NULL;
669         if (!progs_nextline(&line, &linelen, src) || !line[0]) {
670             con_err("illformatted progs.src file: expected output filename in first line\n");
671             retval = 1;
672             goto srcdone;
673         }
674
675         if (!opts_output_wasset) {
676             OPTION_VALUE_STR(OPTION_OUTPUT) = util_strdup(line);
677             opts_output_free = true;
678         }
679
680         while (progs_nextline(&line, &linelen, src)) {
681             argitem item;
682             if (!line[0] || (line[0] == '/' && line[1] == '/'))
683                 continue;
684             item.filename = util_strdup(line);
685             item.type     = TYPE_QC;
686             vec_push(items, item);
687         }
688
689 srcdone:
690         file_close(src);
691         mem_d(line);
692     }
693
694     if (retval)
695         goto cleanup;
696
697     if (vec_size(items)) {
698         if (!OPTION_VALUE_BOOL(OPTION_QUIET) &&
699             !OPTION_VALUE_BOOL(OPTION_PP_ONLY))
700         {
701             con_out("Mode: %s\n", (progs_src ? "progs.src" : "manual"));
702             con_out("There are %lu items to compile:\n", (unsigned long)vec_size(items));
703         }
704         for (itr = 0; itr < vec_size(items); ++itr) {
705             if (!OPTION_VALUE_BOOL(OPTION_QUIET) &&
706                 !OPTION_VALUE_BOOL(OPTION_PP_ONLY))
707             {
708                 con_out("  item: %s (%s)\n",
709                        items[itr].filename,
710                        ( (items[itr].type == TYPE_QC ? "qc" :
711                          (items[itr].type == TYPE_ASM ? "asm" :
712                          (items[itr].type == TYPE_SRC ? "progs.src" :
713                          ("unknown"))))));
714             }
715
716             if (OPTION_VALUE_BOOL(OPTION_PP_ONLY)) {
717                 const char *out;
718                 if (!ftepp_preprocess_file(items[itr].filename)) {
719                     retval = 1;
720                     goto cleanup;
721                 }
722                 out = ftepp_get();
723                 if (out)
724                     file_printf(outfile, "%s", out);
725                 ftepp_flush();
726             }
727             else {
728                 if (OPTS_FLAG(FTEPP)) {
729                     const char *data;
730                     if (!ftepp_preprocess_file(items[itr].filename)) {
731                         retval = 1;
732                         goto cleanup;
733                     }
734                     data = ftepp_get();
735                     if (vec_size(data)) {
736                         if (!parser_compile_string(items[itr].filename, data, vec_size(data))) {
737                             retval = 1;
738                             goto cleanup;
739                         }
740                     }
741                     ftepp_flush();
742                 }
743                 else {
744                     if (!parser_compile_file(items[itr].filename)) {
745                         retval = 1;
746                         goto cleanup;
747                     }
748                 }
749             }
750
751             if (progs_src) {
752                 mem_d(items[itr].filename);
753                 items[itr].filename = NULL;
754             }
755         }
756
757         ftepp_finish();
758         if (!OPTION_VALUE_BOOL(OPTION_PP_ONLY)) {
759             if (!parser_finish(OPTION_VALUE_STR(OPTION_OUTPUT))) {
760                 retval = 1;
761                 goto cleanup;
762             }
763         }
764     }
765
766     /* stuff */
767     if (!OPTION_VALUE_BOOL(OPTION_QUIET) &&
768         !OPTION_VALUE_BOOL(OPTION_PP_ONLY))
769     {
770         for (itr = 0; itr < COUNT_OPTIMIZATIONS; ++itr) {
771             if (opts_optimizationcount[itr]) {
772                 con_out("%s: %u\n", opts_opt_list[itr].name, (unsigned int)opts_optimizationcount[itr]);
773             }
774         }
775     }
776
777 cleanup:
778     util_debug("COM", "cleaning ...\n");
779     ftepp_finish();
780     con_close();
781     vec_free(items);
782     vec_free(ppems);
783
784     if (!OPTION_VALUE_BOOL(OPTION_PP_ONLY))
785         parser_cleanup();
786     if (opts_output_free)
787         mem_d(OPTION_VALUE_STR(OPTION_OUTPUT));
788     if (operators_free)
789         mem_d((void*)operators);
790
791     lex_cleanup();
792     util_meminfo();
793     return retval;
794 }