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6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
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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
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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;
38 size_t opts_max_array_size = 1024;
40 uint16_t opts_forced_crc;
42 static bool opts_output_wasset = false;
44 /* set by the standard */
45 const oper_info *operators = NULL;
46 size_t operator_count = 0;
48 typedef struct { char *filename; int type; } argitem;
49 VECTOR_MAKE(argitem, items);
55 static const char *app_name;
58 con_out("usage: %s [options] [files...]", app_name);
60 " -h, --help show this help message\n"
61 " -debug turns on compiler debug messages\n"
62 " -memchk turns on compiler memory leak check\n");
63 con_out(" -o, --output=file output file, defaults to progs.dat\n"
64 " -a filename add an asm file to be assembled\n"
65 " -s filename add a progs.src file to be used\n");
66 con_out(" -E stop after preprocessing\n");
67 con_out(" -f<flag> enable a flag\n"
68 " -fno-<flag> disable a flag\n"
69 " -std standard select one of the following standards\n"
70 " -std=qcc original QuakeC\n"
71 " -std=fteqcc fteqcc QuakeC\n"
72 " -std=gmqcc this compiler (default)\n");
73 con_out(" -W<warning> enable a warning\n"
74 " -Wno-<warning> disable a warning\n"
75 " -Wall enable all warnings\n"
76 " -Werror treat warnings as errors\n");
77 con_out(" -force-crc=num force a specific checksum into the header\n");
80 " -fadjust-vector-fields\n"
81 " when assigning a vector field, its _y and _z fields also get assigned\n"
86 static bool options_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
89 for (i = 0; i < listsize; ++i) {
90 if (!strcmp(name, list[i].name)) {
91 longbit lb = list[i].bit;
94 flags[lb.idx] |= (1<<(lb.bit));
96 flags[lb.idx] &= ~(1<<(lb.bit));
101 flags[0] &= ~(1<<(lb));
108 static bool options_setflag(const char *name, bool on) {
109 return options_setflag_all(name, on, opts_flags, opts_flag_list, COUNT_FLAGS);
111 static bool options_setwarn(const char *name, bool on) {
112 return options_setflag_all(name, on, opts_warn, opts_warn_list, COUNT_WARNINGS);
115 static bool options_witharg(int *argc_, char ***argv_, char **out) {
117 char **argv = *argv_;
123 /* eat up the next */
124 if (argc < 2) /* no parameter was provided */
133 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
135 char **argv = *argv_;
137 size_t len = strlen(optname);
139 if (strncmp(argv[0]+ds, optname, len))
142 /* it's --optname, check how the parameter is supplied */
143 if (argv[0][ds+len] == '=') {
144 /* using --opt=param */
145 *out = argv[0]+ds+len+1;
149 if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
152 /* using --opt param */
158 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
159 return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
161 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
162 return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
165 static void options_set(uint32_t *flags, size_t idx, bool on)
167 longbit lb = LONGBIT(idx);
170 flags[lb.idx] |= (1<<(lb.bit));
172 flags[lb.idx] &= ~(1<<(lb.bit));
175 flags[0] |= (1<<(lb));
177 flags[0] &= ~(1<<(lb));
181 static bool options_parse(int argc, char **argv) {
185 while (!argend && argc > 1) {
192 if (argv[0][0] == '-') {
193 /* All gcc-type long options */
194 if (options_long_gcc("std", &argc, &argv, &argarg)) {
195 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default")) {
196 options_set(opts_flags, ADJUST_VECTOR_FIELDS, true);
197 opts_standard = COMPILER_GMQCC;
198 } else if (!strcmp(argarg, "qcc")) {
199 options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
200 opts_standard = COMPILER_QCC;
201 } else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc")) {
202 options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
203 opts_standard = COMPILER_FTEQCC;
204 } else if (!strcmp(argarg, "qccx")) {
205 options_set(opts_flags, ADJUST_VECTOR_FIELDS, false);
206 opts_standard = COMPILER_QCCX;
208 con_out("Unknown standard: %s\n", argarg);
213 if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
214 opts_forcecrc = true;
215 opts_forced_crc = strtol(argarg, NULL, 0);
218 if (!strcmp(argv[0]+1, "debug")) {
222 if (!strcmp(argv[0]+1, "dump")) {
226 if (!strcmp(argv[0]+1, "memchk")) {
231 switch (argv[0][1]) {
232 /* -h, show usage but exit with 0 */
242 /* handle all -fflags */
244 util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
245 if (!strcmp(argv[0]+2, "HELP")) {
246 con_out("Possible flags:\n");
247 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
248 util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
249 con_out(" -f%s\n", buffer);
253 else if (!strncmp(argv[0]+2, "NO_", 3)) {
254 if (!options_setflag(argv[0]+5, false)) {
255 con_out("unknown flag: %s\n", argv[0]+2);
259 else if (!options_setflag(argv[0]+2, true)) {
260 con_out("unknown flag: %s\n", argv[0]+2);
265 util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
266 if (!strcmp(argv[0]+2, "HELP")) {
267 con_out("Possible warnings:\n");
268 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
269 util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
270 con_out(" -W%s\n", buffer);
274 else if (!strcmp(argv[0]+2, "NO_ERROR")) {
278 else if (!strcmp(argv[0]+2, "ERROR")) {
282 else if (!strcmp(argv[0]+2, "NONE")) {
283 for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
287 else if (!strcmp(argv[0]+2, "ALL")) {
288 for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
289 opts_warn[itr] = 0xFFFFFFFFL;
292 if (!strncmp(argv[0]+2, "NO_", 3)) {
293 if (!options_setwarn(argv[0]+5, false)) {
294 con_out("unknown warning: %s\n", argv[0]+2);
298 else if (!options_setwarn(argv[0]+2, true)) {
299 con_out("unknown warning: %s\n", argv[0]+2);
305 if (!options_witharg(&argc, &argv, &argarg)) {
306 con_out("option -O requires a numerical argument\n");
309 opts_O = atoi(argarg);
313 if (!options_witharg(&argc, &argv, &argarg)) {
314 con_out("option -o requires an argument: the output file name\n");
317 opts_output = argarg;
318 opts_output_wasset = true;
323 item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
324 if (!options_witharg(&argc, &argv, &argarg)) {
325 con_out("option -a requires a filename %s\n",
326 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
329 item.filename = argarg;
335 /* anything following -- is considered a non-option argument */
339 /* All long options without arguments */
340 else if (!strcmp(argv[0]+2, "help")) {
345 /* All long options with arguments */
346 if (options_long_witharg("output", &argc, &argv, &argarg)) {
347 opts_output = argarg;
348 opts_output_wasset = true;
350 con_out("Unknown parameter: %s\n", argv[0]);
357 con_out("Unknown parameter: %s\n", argv[0]);
363 /* it's a QC filename */
365 item.filename = argv[0];
373 /* returns the line number, or -1 on error */
374 static bool progs_nextline(char **out, size_t *alen,FILE *src)
382 len = util_getline(&line, alen, src);
386 /* start at first non-blank */
387 for (start = line; isspace(*start); ++start) {}
388 /* end at the first non-blank */
389 for (end = start; *end && !isspace(*end); ++end) {}
392 /* move the actual filename to the beginning */
393 while (start != end) {
400 int main(int argc, char **argv) {
403 bool opts_output_free = false;
408 /* default options / warn flags */
409 options_set(opts_warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
410 options_set(opts_warn, WARN_EXTENSIONS, true);
411 options_set(opts_warn, WARN_FIELD_REDECLARED, true);
412 options_set(opts_warn, WARN_TOO_FEW_PARAMETERS, true);
413 options_set(opts_warn, WARN_MISSING_RETURN_VALUES, true);
414 options_set(opts_warn, WARN_USED_UNINITIALIZED, true);
415 options_set(opts_warn, WARN_LOCAL_CONSTANTS, true);
416 options_set(opts_warn, WARN_VOID_VARIABLES, true);
417 options_set(opts_warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
418 options_set(opts_warn, WARN_VARIADIC_FUNCTION, true);
419 options_set(opts_warn, WARN_FRAME_MACROS, true);
420 options_set(opts_warn, WARN_UNUSED_VARIABLE, true);
421 options_set(opts_warn, WARN_EFFECTLESS_STATEMENT, true);
422 options_set(opts_warn, WARN_END_SYS_FIELDS, true);
423 options_set(opts_warn, WARN_ASSIGN_FUNCTION_TYPES, true);
425 options_set(opts_flags, ADJUST_VECTOR_FIELDS, true);
427 if (!options_parse(argc, argv)) {
431 /* the standard decides which set of operators to use */
432 if (opts_standard == COMPILER_GMQCC) {
433 operators = c_operators;
434 operator_count = c_operator_count;
436 operators = qcc_operators;
437 operator_count = qcc_operator_count;
441 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
442 con_out("Flag %s = %i\n", opts_flag_list[itr].name, OPTS_FLAG(itr));
444 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
445 con_out("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
447 con_out("output = %s\n", opts_output);
448 con_out("optimization level = %i\n", (int)opts_O);
449 con_out("standard = %i\n", opts_standard);
452 if (!parser_init()) {
453 con_out("failed to initialize parser\n");
458 util_debug("COM", "starting ...\n");
460 if (items_elements) {
461 con_out("Mode: manual\n");
462 con_out("There are %lu items to compile:\n", (unsigned long)items_elements);
463 for (itr = 0; itr < items_elements; ++itr) {
464 con_out(" item: %s (%s)\n",
465 items_data[itr].filename,
466 ( (items_data[itr].type == TYPE_QC ? "qc" :
467 (items_data[itr].type == TYPE_ASM ? "asm" :
468 (items_data[itr].type == TYPE_SRC ? "progs.src" :
471 if (!parser_compile_file(items_data[itr].filename))
478 if (!parser_finish(opts_output)) {
488 con_out("Mode: progs.src\n");
489 src = util_fopen("progs.src", "rb");
491 con_out("failed to open `progs.src` for reading\n");
497 if (!progs_nextline(&line, &linelen, src) || !line[0]) {
498 con_out("illformatted progs.src file: expected output filename in first line\n");
503 if (!opts_output_wasset) {
504 opts_output = util_strdup(line);
505 opts_output_free = true;
508 while (progs_nextline(&line, &linelen, src)) {
509 if (!line[0] || (line[0] == '/' && line[1] == '/'))
511 con_out(" src: %s\n", line);
512 if (!parser_compile_file(line)) {
518 parser_finish(opts_output);
528 util_debug("COM", "cleaning ...\n");
533 if (opts_output_free)
534 mem_d((char*)opts_output);