qcany* prog_getedict (qc_program *prog, qcint e);
qcint prog_tempstring(qc_program *prog, const char *_str);
+/*===================================================================*/
+/*======================= main.c commandline ========================*/
+/*===================================================================*/
+
+#if 0
+/* Helpers to allow for a whole lot of flags. Otherwise we'd limit
+ * to 32 or 64 -f options...
+ */
+typedef struct {
+ size_t idx; /* index into an array of 32 bit words */
+ uint8_t bit; /* index _into_ the 32 bit word, thus just uint8 */
+} longbit;
+#define LONGBIT(bit) { ((bit)/32), ((bit)%32) }
+#else
+typedef uint32_t longbit;
+#define LONGBIT(bit) (bit)
+#endif
+
+/* Used to store the list of flags with names */
+typedef struct {
+ const char *name;
+ longbit bit;
+} opt_flag_def;
+
+/*===================================================================*/
+/* list of -f flags, like -fdarkplaces-string-table-bug */
+enum {
+ DP_STRING_TABLE_BUG,
+ OMIT_NULLBYTES,
+
+ NUM_F_FLAGS
+};
+static const opt_flag_def opt_flag_list[] = {
+ { "darkplaces-string-table-bug", LONGBIT(DP_STRING_TABLE_BUG) },
+ { "omit-nullbytes", LONGBIT(OMIT_NULLBYTES) },
+};
+static const size_t opt_flag_list_count = sizeof(opt_flag_list) / sizeof(opt_flag_list[0]);
+
+/* other options: */
+extern uint32_t opt_O; /* -Ox */
+extern const char *opt_output; /* -o file */
+
+/*===================================================================*/
+#define OPT_FLAG(i) (!! (opt_flags[(i)/32] & (1<< ((i)%32))))
+extern uint32_t opt_flags[1 + (NUM_F_FLAGS / 32)];
+
#endif
* SOFTWARE.
*/
#include "gmqcc.h"
-typedef struct { char *name, type; } argitem;
-VECTOR_MAKE(argitem, items);
-
-static int usage(const char *app) {
- printf("usage:\n"
- " %s -c<file> -oprog.dat -- compile file\n"
- " %s -a<file> -oprog.dat -- assemble file\n"
- " %s -c<file> -i<file> -oprog.dat -- compile together (allowed multiple -i<file>)\n"
- " %s -a<file> -i<file> -oprog.dat -- assemble together(allowed multiple -i<file>)\n"
- " example:\n"
- " %s -cfoo.qc -ibar.qc -oqc.dat -afoo.qs -ibar.qs -oqs.dat\n", app, app, app, app, app);
-
- printf(" additional flags:\n"
- " -debug -- turns on compiler debug messages\n"
- " -memchk -- turns on compiler memory leak check\n"
- " -help -- prints this help/usage text\n"
- " -std -- select the QuakeC compile type (types below):\n");
-
- printf(" -std=qcc -- original QuakeC\n"
- " -std=ftqecc -- fteqcc QuakeC\n"
- " -std=qccx -- qccx QuakeC\n"
- " -std=gmqcc -- this compiler QuakeC (default selection)\n");
-
- printf(" codegen flags:\n"
- " -fdarkplaces-string-table-bug -- patches the string table to work with bugged versions of darkplaces\n"
- " -fomit-nullcode -- omits the generation of null code (will break everywhere see propsal.txt)\n");
+
+uint32_t opt_flags[1 + (NUM_F_FLAGS / 32)];
+uint32_t opt_O = 1;
+const char *opt_output = "progs.dat";
+
+static int usage() {
+ printf("Usage:\n");
return -1;
}
-int main(int argc, char **argv) {
- size_t itr = 0;
- char *app = &argv[0][0];
- FILE *fpp = NULL;
- lex_file *lex = NULL;
-
- /*
- * Parse all command line arguments. This is rather annoying to do
- * because of all tiny corner cases.
- */
- if (argc <= 1 || (argv[1][0] != '-'))
- return usage(app);
-
- while ((argc > 1) && argv[1][0] == '-') {
- switch (argv[1][1]) {
- case 'v': {
- printf("GMQCC:\n"
- " version: %d.%d.%d (0x%08X)\n"
- " build date: %s\n"
- " build time: %s\n",
- (GMQCC_VERSION >> 16) & 0xFF,
- (GMQCC_VERSION >> 8) & 0xFF,
- (GMQCC_VERSION >> 0) & 0xFF,
- (GMQCC_VERSION),
- __DATE__,
- __TIME__
- );
- return 0;
- }
- #define param_argument(argtype) do { \
- argitem item; \
- if (argv[1][2]) { \
- item.name = util_strdup(&argv[1][2]); \
- item.type = argtype; \
- items_add(item); \
- } else { \
- ++argv; \
- --argc; \
- if (argc <= 1) \
- goto clean_params_usage; \
- item.name = util_strdup(argv[1]); \
- item.type = argtype; \
- items_add(item); \
- } \
- } while (0)
-
- case 'c': { param_argument(0); break; } /* compile */
- case 'a': { param_argument(1); break; } /* assemble */
- case 'i': { param_argument(2); break; } /* includes */
- #undef parm_argument
- default:
- if (util_strncmpexact(&argv[1][1], "debug" , 5)) { opts_debug = true; break; }
- if (util_strncmpexact(&argv[1][1], "memchk", 6)) { opts_memchk = true; break; }
- if (util_strncmpexact(&argv[1][1], "help", 4)) {
- return usage(app);
- }
- /* compiler type selection */
- if (util_strncmpexact(&argv[1][1], "std=qcc" , 7 )) { opts_compiler = COMPILER_QCC; break; }
- if (util_strncmpexact(&argv[1][1], "std=fteqcc", 10)) { opts_compiler = COMPILER_FTEQCC; break; }
- if (util_strncmpexact(&argv[1][1], "std=qccx", 8 )) { opts_compiler = COMPILER_QCCX; break; }
- if (util_strncmpexact(&argv[1][1], "std=gmqcc", 9 )) { opts_compiler = COMPILER_GMQCC; break; }
- if (util_strncmpexact(&argv[1][1], "std=", 4 )) {
- printf("invalid std selection, supported types:\n"
- " -std=qcc -- original QuakeC\n"
- " -std=ftqecc -- fteqcc QuakeC\n"
- " -std=qccx -- qccx QuakeC\n"
- " -std=gmqcc -- this compiler QuakeC (default selection)\n");
- return 0;
- }
-
- /* code specific switches */
- if (util_strncmpexact(&argv[1][1], "fdarkplaces-stringtablebug", 26)) {
- opts_darkplaces_stringtablebug = true;
+static bool options_setflag(const char *name, bool on) {
+ size_t i;
+
+ for (i = 0; i < opt_flag_list_count; ++i) {
+ if (!strcmp(name, opt_flag_list[i].name)) {
+ longbit lb = opt_flag_list[i].bit;
+#if 0
+ if (on)
+ opt_flags[lb.idx] |= (1<<(lb.bit));
+ else
+ opt_flags[lb.idx] &= ~(1<<(lb.bit));
+#else
+ if (on)
+ opt_flags[0] |= (1<<lb);
+ else
+ opt_flags[0] &= ~(1<<(lb));
+#endif
+ return true;
+ }
+ }
+ return false;
+}
+
+static bool options_witharg(int *argc_, char ***argv_, char **out) {
+ int argc = *argc_;
+ char **argv = *argv_;
+
+ if (argv[0][2]) {
+ *out = argv[0]+2;
+ return true;
+ }
+ /* eat up the next */
+ if (argc < 2) /* no parameter was provided */
+ return false;
+
+ *out = argv[1];
+ --*argc_;
+ ++*argv_;
+ return true;
+}
+
+static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
+ int argc = *argc_;
+ char **argv = *argv_;
+
+ size_t len = strlen(optname);
+
+ if (strncmp(argv[0]+2, optname, len))
+ return false;
+
+ /* it's --optname, check how the parameter is supplied */
+ if (argv[0][2+len] == '=') {
+ /* using --opt=param */
+ *out = argv[0]+2+len+1;
+ return true;
+ }
+
+ if (argc < 2) /* no parameter was provided */
+ return false;
+
+ /* using --opt param */
+ *out = argv[1];
+ --*argc_;
+ ++*argv_;
+ return true;
+}
+
+static bool options_parse(int argc, char **argv) {
+ bool argend = false;
+ while (!argend && argc) {
+ char *argarg;
+ if (argv[0][0] == '-') {
+ switch (argv[0][1]) {
+ /* -h, show usage but exit with 0 */
+ case 'h':
+ usage();
+ exit(0);
+ break;
+
+ /* handle all -fflags */
+ case 'f':
+ if (!strncmp(argv[0]+2, "no-", 3)) {
+ if (!options_setflag(argv[0]+5, false)) {
+ printf("unknown flag: %s\n", argv[0]+2);
+ return false;
+ }
+ }
+ else if (!options_setflag(argv[0]+2, true)) {
+ printf("unknown flag: %s\n", argv[0]+2);
+ return false;
+ }
+ break;
+
+ case 'O':
+ if (!options_witharg(&argc, &argv, &argarg)) {
+ printf("option -O requires a numerical argument\n");
+ return false;
+ }
+ opt_O = atoi(argarg);
break;
- }
- if (util_strncmpexact(&argv[1][1], "fomit-nullcode", 14)) {
- opts_omit_nullcode = true;
+
+ case 'o':
+ if (!options_witharg(&argc, &argv, &argarg)) {
+ printf("option -o requires an argument: the output file name\n");
+ return false;
+ }
+ opt_output = argarg;
+ break;
+
+ case '-':
+ if (!argv[0][2]) {
+ /* anything following -- is considered a non-option argument */
+ argend = true;
+ break;
+ }
+ /* All long options without arguments */
+ else if (!strcmp(argv[0]+2, "help")) {
+ usage();
+ exit(0);
+ }
+ else {
+ /* All long options with arguments */
+ if (options_long_witharg("output", &argc, &argv, &argarg))
+ opt_output = argarg;
+ else
+ {
+ printf("Unknown parameter: %s\n", argv[0]);
+ return false;
+ }
+ }
break;
- }
- return printf("invalid command line argument: %s\n",argv[1]);
+ default:
+ break;
+ }
}
++argv;
--argc;
}
- /*
- * options could depend on another option, this is where option
- * validity checking like that would take place.
- */
- if (opts_memchk && !opts_debug)
- printf("Warning: cannot enable -memchk, without -debug.\n");
-
- util_debug("COM", "starting ...\n");
- /* multi file multi path compilation system */
- for (; itr < items_elements; itr++) {
- switch (items_data[itr].type) {
- case 0:
- lex_init (items_data[itr].name, &lex);
- if (lex) {
- lex_parse(lex);
- lex_close(lex);
- }
- break;
- case 1:
- asm_init (items_data[itr].name, &fpp);
- if (fpp) {
- asm_parse(fpp);
- asm_close(fpp);
- }
- break;
- }
+ return true;
+}
+
+int main(int argc, char **argv) {
+ /* char *app = &argv[0][0]; */
+
+ if (!options_parse(argc-1, argv+1)) {
+ return usage();
}
+ util_debug("COM", "starting ...\n");
+
+ /* stuff */
+
util_debug("COM", "cleaning ...\n");
- /* clean list */
- for (itr = 0; itr < items_elements; itr++)
- mem_d(items_data[itr].name);
- mem_d(items_data);
util_meminfo();
return 0;
-
-clean_params_usage:
- for (itr = 0; itr < items_elements; itr++)
- mem_d(items_data[itr].name);
- mem_d(items_data);
- return usage(app);
}