5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is furnished to do
10 * so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 uint32_t opts_flags[1 + (COUNT_FLAGS / 32)];
27 uint32_t opts_warn [1 + (COUNT_WARNINGS / 32)];
30 const char *opts_output = "progs.dat";
31 int opts_standard = COMPILER_GMQCC;
32 bool opts_debug = false;
33 bool opts_memchk = false;
34 bool opts_dump = false;
35 bool opts_werror = false;
36 bool opts_forcecrc = false;
37 bool opts_pp_only = false;
39 uint16_t opts_forced_crc;
41 static bool opts_output_wasset = false;
43 /* set by the standard */
44 const oper_info *operators = NULL;
45 size_t operator_count = 0;
47 typedef struct { char *filename; int type; } argitem;
48 VECTOR_MAKE(argitem, items);
54 static const char *app_name;
57 printf("usage: %s [options] [files...]", app_name);
59 " -h, --help show this help message\n"
60 " -debug turns on compiler debug messages\n"
61 " -memchk turns on compiler memory leak check\n");
62 printf(" -o, --output=file output file, defaults to progs.dat\n"
63 " -a filename add an asm file to be assembled\n"
64 " -s filename add a progs.src file to be used\n");
65 printf(" -E stop after preprocessing\n");
66 printf(" -f<flag> enable a flag\n"
67 " -fno-<flag> disable a flag\n"
68 " -std standard select one of the following standards\n"
69 " -std=qcc original QuakeC\n"
70 " -std=fteqcc fteqcc QuakeC\n"
71 " -std=gmqcc this compiler (default)\n");
72 printf(" -W<warning> enable a warning\n"
73 " -Wno-<warning> disable a warning\n"
74 " -Wall enable all warnings\n"
75 " -Werror treat warnings as errors\n");
76 printf(" -force-crc=num force a specific checksum into the header\n");
79 " -fadjust-vector-fields\n"
80 " when assigning a vector field, its _y and _z fields also get assigned\n"
85 static bool options_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
88 for (i = 0; i < listsize; ++i) {
89 if (!strcmp(name, list[i].name)) {
90 longbit lb = list[i].bit;
93 flags[lb.idx] |= (1<<(lb.bit));
95 flags[lb.idx] &= ~(1<<(lb.bit));
100 flags[0] &= ~(1<<(lb));
107 static bool options_setflag(const char *name, bool on) {
108 return options_setflag_all(name, on, opts_flags, opts_flag_list, COUNT_FLAGS);
110 static bool options_setwarn(const char *name, bool on) {
111 return options_setflag_all(name, on, opts_warn, opts_warn_list, COUNT_WARNINGS);
114 static bool options_witharg(int *argc_, char ***argv_, char **out) {
116 char **argv = *argv_;
122 /* eat up the next */
123 if (argc < 2) /* no parameter was provided */
132 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
134 char **argv = *argv_;
136 size_t len = strlen(optname);
138 if (strncmp(argv[0]+ds, optname, len))
141 /* it's --optname, check how the parameter is supplied */
142 if (argv[0][ds+len] == '=') {
143 /* using --opt=param */
144 *out = argv[0]+ds+len+1;
148 if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
151 /* using --opt param */
157 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
158 return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
160 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
161 return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
164 static bool options_parse(int argc, char **argv) {
168 while (!argend && argc > 1) {
175 if (argv[0][0] == '-') {
176 /* All gcc-type long options */
177 if (options_long_gcc("std", &argc, &argv, &argarg)) {
178 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default"))
179 opts_standard = COMPILER_GMQCC;
180 else if (!strcmp(argarg, "qcc"))
181 opts_standard = COMPILER_QCC;
182 else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc"))
183 opts_standard = COMPILER_FTEQCC;
184 else if (!strcmp(argarg, "qccx"))
185 opts_standard = COMPILER_QCCX;
187 printf("Unknown standard: %s\n", argarg);
192 if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
193 opts_forcecrc = true;
194 opts_forced_crc = strtol(argarg, NULL, 0);
197 if (!strcmp(argv[0]+1, "debug")) {
201 if (!strcmp(argv[0]+1, "dump")) {
205 if (!strcmp(argv[0]+1, "memchk")) {
210 switch (argv[0][1]) {
211 /* -h, show usage but exit with 0 */
221 /* handle all -fflags */
223 util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
224 if (!strcmp(argv[0]+2, "HELP")) {
225 printf("Possible flags:\n");
226 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
227 util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
228 printf(" -f%s\n", buffer);
232 else if (!strncmp(argv[0]+2, "NO_", 3)) {
233 if (!options_setflag(argv[0]+5, false)) {
234 printf("unknown flag: %s\n", argv[0]+2);
238 else if (!options_setflag(argv[0]+2, true)) {
239 printf("unknown flag: %s\n", argv[0]+2);
244 util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
245 if (!strcmp(argv[0]+2, "HELP")) {
246 printf("Possible warnings:\n");
247 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
248 util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
249 printf(" -W%s\n", buffer);
253 else if (!strcmp(argv[0]+2, "NO_ERROR")) {
257 else if (!strcmp(argv[0]+2, "ERROR")) {
261 else if (!strcmp(argv[0]+2, "NONE")) {
262 for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
266 else if (!strcmp(argv[0]+2, "ALL")) {
267 for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
268 opts_warn[itr] = 0xFFFFFFFFL;
271 if (!strncmp(argv[0]+2, "NO_", 3)) {
272 if (!options_setwarn(argv[0]+5, false)) {
273 printf("unknown warning: %s\n", argv[0]+2);
277 else if (!options_setwarn(argv[0]+2, true)) {
278 printf("unknown warning: %s\n", argv[0]+2);
284 if (!options_witharg(&argc, &argv, &argarg)) {
285 printf("option -O requires a numerical argument\n");
288 opts_O = atoi(argarg);
292 if (!options_witharg(&argc, &argv, &argarg)) {
293 printf("option -o requires an argument: the output file name\n");
296 opts_output = argarg;
297 opts_output_wasset = true;
302 item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
303 if (!options_witharg(&argc, &argv, &argarg)) {
304 printf("option -a requires a filename %s\n",
305 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
308 item.filename = argarg;
314 /* anything following -- is considered a non-option argument */
318 /* All long options without arguments */
319 else if (!strcmp(argv[0]+2, "help")) {
324 /* All long options with arguments */
325 if (options_long_witharg("output", &argc, &argv, &argarg)) {
326 opts_output = argarg;
327 opts_output_wasset = true;
329 printf("Unknown parameter: %s\n", argv[0]);
336 printf("Unknown parameter: %s\n", argv[0]);
342 /* it's a QC filename */
344 item.filename = argv[0];
352 static void options_set(uint32_t *flags, size_t idx, bool on)
354 longbit lb = LONGBIT(idx);
357 flags[lb.idx] |= (1<<(lb.bit));
359 flags[lb.idx] &= ~(1<<(lb.bit));
362 flags[0] |= (1<<(lb));
364 flags[0] &= ~(1<<(lb));
368 /* returns the line number, or -1 on error */
369 static bool progs_nextline(char **out, size_t *alen,FILE *src)
377 len = util_getline(&line, alen, src);
381 /* start at first non-blank */
382 for (start = line; isspace(*start); ++start) {}
383 /* end at the first non-blank */
384 for (end = start; *end && !isspace(*end); ++end) {}
387 /* move the actual filename to the beginning */
388 while (start != end) {
395 int main(int argc, char **argv) {
398 bool opts_output_free = false;
402 /* default options / warn flags */
403 options_set(opts_warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
404 options_set(opts_warn, WARN_EXTENSIONS, true);
405 options_set(opts_warn, WARN_FIELD_REDECLARED, true);
406 options_set(opts_warn, WARN_TOO_FEW_PARAMETERS, true);
407 options_set(opts_warn, WARN_MISSING_RETURN_VALUES, true);
408 options_set(opts_warn, WARN_USED_UNINITIALIZED, true);
409 options_set(opts_warn, WARN_LOCAL_CONSTANTS, true);
410 options_set(opts_warn, WARN_VOID_VARIABLES, true);
411 options_set(opts_warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
412 options_set(opts_warn, WARN_VARIADIC_FUNCTION, true);
413 options_set(opts_warn, WARN_FRAME_MACROS, true);
414 options_set(opts_warn, WARN_UNUSED_VARIABLE, true);
415 options_set(opts_warn, WARN_EFFECTLESS_STATEMENT, true);
416 options_set(opts_warn, WARN_END_SYS_FIELDS, true);
417 options_set(opts_warn, WARN_ASSIGN_FUNCTION_TYPES, true);
419 if (!options_parse(argc, argv)) {
423 /* the standard decides which set of operators to use */
424 if (opts_standard == COMPILER_GMQCC) {
425 operators = c_operators;
426 operator_count = c_operator_count;
428 operators = qcc_operators;
429 operator_count = qcc_operator_count;
433 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
434 printf("Flag %s = %i\n", opts_flag_list[itr].name, OPTS_FLAG(itr));
436 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
437 printf("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
439 printf("output = %s\n", opts_output);
440 printf("optimization level = %i\n", (int)opts_O);
441 printf("standard = %i\n", opts_standard);
444 if (!parser_init()) {
445 printf("failed to initialize parser\n");
450 util_debug("COM", "starting ...\n");
452 if (items_elements) {
453 printf("Mode: manual\n");
454 printf("There are %lu items to compile:\n", (unsigned long)items_elements);
455 for (itr = 0; itr < items_elements; ++itr) {
456 printf(" item: %s (%s)\n",
457 items_data[itr].filename,
458 ( (items_data[itr].type == TYPE_QC ? "qc" :
459 (items_data[itr].type == TYPE_ASM ? "asm" :
460 (items_data[itr].type == TYPE_SRC ? "progs.src" :
464 if (!preprocess(items_data[itr].filename)) {
471 if (!parser_compile(items_data[itr].filename)) {
477 if (!parser_finish(opts_output)) {
487 printf("Mode: progs.src\n");
488 src = util_fopen("progs.src", "rb");
490 printf("failed to open `progs.src` for reading\n");
496 if (!progs_nextline(&line, &linelen, src) || !line[0]) {
497 printf("illformatted progs.src file: expected output filename in first line\n");
502 if (!opts_output_wasset) {
503 opts_output = util_strdup(line);
504 opts_output_free = true;
507 while (progs_nextline(&line, &linelen, src)) {
508 if (!line[0] || (line[0] == '/' && line[1] == '/'))
510 printf(" src: %s\n", line);
511 if (!parser_compile(line)) {
517 parser_finish(opts_output);
527 util_debug("COM", "cleaning ...\n");
532 if (opts_output_free)
533 mem_d((char*)opts_output);