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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
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;
38 uint16_t opts_forced_crc;
40 static bool opts_output_wasset = false;
42 /* set by the standard */
43 const oper_info *operators = NULL;
44 size_t operator_count = 0;
46 typedef struct { char *filename; int type; } argitem;
47 VECTOR_MAKE(argitem, items);
53 static const char *app_name;
56 printf("usage: %s [options] [files...]", app_name);
58 " -h, --help show this help message\n"
59 " -debug turns on compiler debug messages\n"
60 " -memchk turns on compiler memory leak check\n");
61 printf(" -o, --output=file output file, defaults to progs.dat\n"
62 " -a filename add an asm file to be assembled\n"
63 " -s filename add a progs.src file to be used\n");
64 printf(" -f<flag> enable a flag\n"
65 " -fno-<flag> disable a flag\n"
66 " -std standard select one of the following standards\n"
67 " -std=qcc original QuakeC\n"
68 " -std=fteqcc fteqcc QuakeC\n"
69 " -std=gmqcc this compiler (default)\n");
70 printf(" -W<warning> enable a warning\n"
71 " -Wno-<warning> disable a warning\n"
72 " -Wall enable all warnings\n"
73 " -Werror treat warnings as errors\n");
74 printf(" -force-crc=num force a specific checksum into the header\n");
77 " -fadjust-vector-fields\n"
78 " when assigning a vector field, its _y and _z fields also get assigned\n"
83 static bool options_setflag_all(const char *name, bool on, uint32_t *flags, const opts_flag_def *list, size_t listsize) {
86 for (i = 0; i < listsize; ++i) {
87 if (!strcmp(name, list[i].name)) {
88 longbit lb = list[i].bit;
91 flags[lb.idx] |= (1<<(lb.bit));
93 flags[lb.idx] &= ~(1<<(lb.bit));
98 flags[0] &= ~(1<<(lb));
105 static bool options_setflag(const char *name, bool on) {
106 return options_setflag_all(name, on, opts_flags, opts_flag_list, COUNT_FLAGS);
108 static bool options_setwarn(const char *name, bool on) {
109 return options_setflag_all(name, on, opts_warn, opts_warn_list, COUNT_WARNINGS);
112 static bool options_witharg(int *argc_, char ***argv_, char **out) {
114 char **argv = *argv_;
120 /* eat up the next */
121 if (argc < 2) /* no parameter was provided */
130 static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
132 char **argv = *argv_;
134 size_t len = strlen(optname);
136 if (strncmp(argv[0]+ds, optname, len))
139 /* it's --optname, check how the parameter is supplied */
140 if (argv[0][ds+len] == '=') {
141 /* using --opt=param */
142 *out = argv[0]+ds+len+1;
146 if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
149 /* using --opt param */
155 static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
156 return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
158 static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
159 return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
162 static bool options_parse(int argc, char **argv) {
166 while (!argend && argc > 1) {
173 if (argv[0][0] == '-') {
174 /* All gcc-type long options */
175 if (options_long_gcc("std", &argc, &argv, &argarg)) {
176 if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default"))
177 opts_standard = COMPILER_GMQCC;
178 else if (!strcmp(argarg, "qcc"))
179 opts_standard = COMPILER_QCC;
180 else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc"))
181 opts_standard = COMPILER_FTEQCC;
182 else if (!strcmp(argarg, "qccx"))
183 opts_standard = COMPILER_QCCX;
185 printf("Unknown standard: %s\n", argarg);
190 if (options_long_gcc("force-crc", &argc, &argv, &argarg)) {
191 opts_forcecrc = true;
192 opts_forced_crc = strtol(argarg, NULL, 0);
195 if (!strcmp(argv[0]+1, "debug")) {
199 if (!strcmp(argv[0]+1, "dump")) {
203 if (!strcmp(argv[0]+1, "memchk")) {
208 switch (argv[0][1]) {
209 /* -h, show usage but exit with 0 */
215 /* handle all -fflags */
217 util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
218 if (!strcmp(argv[0]+2, "HELP")) {
219 printf("Possible flags:\n");
220 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
221 util_strtononcmd(opts_flag_list[itr].name, buffer, sizeof(buffer));
222 printf(" -f%s\n", buffer);
226 else if (!strncmp(argv[0]+2, "NO_", 3)) {
227 if (!options_setflag(argv[0]+5, false)) {
228 printf("unknown flag: %s\n", argv[0]+2);
232 else if (!options_setflag(argv[0]+2, true)) {
233 printf("unknown flag: %s\n", argv[0]+2);
238 util_strtocmd(argv[0]+2, argv[0]+2, strlen(argv[0]+2)+1);
239 if (!strcmp(argv[0]+2, "HELP")) {
240 printf("Possible warnings:\n");
241 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
242 util_strtononcmd(opts_warn_list[itr].name, buffer, sizeof(buffer));
243 printf(" -W%s\n", buffer);
247 else if (!strcmp(argv[0]+2, "NO_ERROR")) {
251 else if (!strcmp(argv[0]+2, "ERROR")) {
255 else if (!strcmp(argv[0]+2, "NONE")) {
256 for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
260 else if (!strcmp(argv[0]+2, "ALL")) {
261 for (itr = 0; itr < sizeof(opts_warn)/sizeof(opts_warn[0]); ++itr)
262 opts_warn[itr] = 0xFFFFFFFFL;
265 if (!strncmp(argv[0]+2, "NO_", 3)) {
266 if (!options_setwarn(argv[0]+5, false)) {
267 printf("unknown warning: %s\n", argv[0]+2);
271 else if (!options_setwarn(argv[0]+2, true)) {
272 printf("unknown warning: %s\n", argv[0]+2);
278 if (!options_witharg(&argc, &argv, &argarg)) {
279 printf("option -O requires a numerical argument\n");
282 opts_O = atoi(argarg);
286 if (!options_witharg(&argc, &argv, &argarg)) {
287 printf("option -o requires an argument: the output file name\n");
290 opts_output = argarg;
291 opts_output_wasset = true;
296 item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
297 if (!options_witharg(&argc, &argv, &argarg)) {
298 printf("option -a requires a filename %s\n",
299 (argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
302 item.filename = argarg;
308 /* anything following -- is considered a non-option argument */
312 /* All long options without arguments */
313 else if (!strcmp(argv[0]+2, "help")) {
318 /* All long options with arguments */
319 if (options_long_witharg("output", &argc, &argv, &argarg)) {
320 opts_output = argarg;
321 opts_output_wasset = true;
323 printf("Unknown parameter: %s\n", argv[0]);
330 printf("Unknown parameter: %s\n", argv[0]);
336 /* it's a QC filename */
338 item.filename = argv[0];
346 static void options_set(uint32_t *flags, size_t idx, bool on)
348 longbit lb = LONGBIT(idx);
351 flags[lb.idx] |= (1<<(lb.bit));
353 flags[lb.idx] &= ~(1<<(lb.bit));
356 flags[0] |= (1<<(lb));
358 flags[0] &= ~(1<<(lb));
362 /* returns the line number, or -1 on error */
363 static bool progs_nextline(char **out, size_t *alen,FILE *src)
371 len = util_getline(&line, alen, src);
375 /* start at first non-blank */
376 for (start = line; isspace(*start); ++start) {}
377 /* end at the first non-blank */
378 for (end = start; *end && !isspace(*end); ++end) {}
381 /* move the actual filename to the beginning */
382 while (start != end) {
389 int main(int argc, char **argv) {
392 bool opts_output_free = false;
396 /* default options / warn flags */
397 options_set(opts_warn, WARN_UNKNOWN_CONTROL_SEQUENCE, true);
398 options_set(opts_warn, WARN_EXTENSIONS, true);
399 options_set(opts_warn, WARN_FIELD_REDECLARED, true);
400 options_set(opts_warn, WARN_TOO_FEW_PARAMETERS, true);
401 options_set(opts_warn, WARN_MISSING_RETURN_VALUES, true);
402 options_set(opts_warn, WARN_USED_UNINITIALIZED, true);
403 options_set(opts_warn, WARN_LOCAL_CONSTANTS, true);
404 options_set(opts_warn, WARN_VOID_VARIABLES, true);
405 options_set(opts_warn, WARN_IMPLICIT_FUNCTION_POINTER, true);
406 options_set(opts_warn, WARN_VARIADIC_FUNCTION, true);
407 options_set(opts_warn, WARN_FRAME_MACROS, true);
408 options_set(opts_warn, WARN_UNUSED_VARIABLE, true);
409 options_set(opts_warn, WARN_EFFECTLESS_STATEMENT, true);
410 options_set(opts_warn, WARN_END_SYS_FIELDS, true);
412 if (!options_parse(argc, argv)) {
416 /* the standard decides which set of operators to use */
417 if (opts_standard == COMPILER_GMQCC) {
418 operators = c_operators;
419 operator_count = c_operator_count;
421 operators = qcc_operators;
422 operator_count = qcc_operator_count;
426 for (itr = 0; itr < COUNT_FLAGS; ++itr) {
427 printf("Flag %s = %i\n", opts_flag_list[itr].name, OPTS_FLAG(itr));
429 for (itr = 0; itr < COUNT_WARNINGS; ++itr) {
430 printf("Warning %s = %i\n", opts_warn_list[itr].name, OPTS_WARN(itr));
432 printf("output = %s\n", opts_output);
433 printf("optimization level = %i\n", (int)opts_O);
434 printf("standard = %i\n", opts_standard);
437 if (!parser_init()) {
438 printf("failed to initialize parser\n");
443 util_debug("COM", "starting ...\n");
445 if (items_elements) {
446 printf("Mode: manual\n");
447 printf("There are %lu items to compile:\n", (unsigned long)items_elements);
448 for (itr = 0; itr < items_elements; ++itr) {
449 printf(" item: %s (%s)\n",
450 items_data[itr].filename,
451 ( (items_data[itr].type == TYPE_QC ? "qc" :
452 (items_data[itr].type == TYPE_ASM ? "asm" :
453 (items_data[itr].type == TYPE_SRC ? "progs.src" :
456 if (!parser_compile(items_data[itr].filename)) {
462 parser_finish(opts_output);
469 printf("Mode: progs.src\n");
470 src = util_fopen("progs.src", "rb");
472 printf("failed to open `progs.src` for reading\n");
478 if (!progs_nextline(&line, &linelen, src) || !line[0]) {
479 printf("illformatted progs.src file: expected output filename in first line\n");
484 if (!opts_output_wasset) {
485 opts_output = util_strdup(line);
486 opts_output_free = true;
489 while (progs_nextline(&line, &linelen, src)) {
490 if (!line[0] || (line[0] == '/' && line[1] == '/'))
492 printf(" src: %s\n", line);
493 if (!parser_compile(line)) {
499 parser_finish(opts_output);
509 util_debug("COM", "cleaning ...\n");
514 if (opts_output_free)
515 mem_d((char*)opts_output);