5 #include <mruby/array.h>
6 #include <mruby/compile.h>
7 #include <mruby/dump.h>
8 #include <mruby/variable.h>
10 #ifdef MRB_DISABLE_STDIO
12 p(mrb_state *mrb, mrb_value obj)
14 mrb_value val = mrb_inspect(mrb, obj);
16 fwrite(RSTRING_PTR(val), RSTRING_LEN(val), 1, stdout);
20 #define p(mrb,obj) mrb_p(mrb,obj)
28 mrb_bool check_syntax : 1;
38 usage(const char *name)
40 static const char *const usage_msg[] = {
42 "-b load and execute RiteBinary (mrb) file",
43 "-c check syntax only",
44 "-d set debugging flags (set $DEBUG to true)",
45 "-e 'command' one line of script",
46 "-r library load the library before executing your script",
47 "-v print version number, then run in verbose mode",
48 "--verbose run in verbose mode",
49 "--version print the version",
50 "--copyright print the copyright",
53 const char *const *p = usage_msg;
55 printf("Usage: %s [switches] programfile\n", name);
57 printf(" %s\n", *p++);
61 dup_arg_item(mrb_state *mrb, const char *item)
63 size_t buflen = strlen(item) + 1;
64 char *buf = (char*)mrb_malloc(mrb, buflen);
65 memcpy(buf, item, buflen);
70 parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
72 char **origargv = argv;
73 static const struct _args args_zero = { 0 };
77 for (argc--,argv++; argc > 0; argc--,argv++) {
79 if (argv[0][0] != '-') break;
81 if (strlen(*argv) <= 1) {
93 args->check_syntax = TRUE;
106 if (!args->cmdline) {
107 args->cmdline = dup_arg_item(mrb, item);
113 cmdlinelen = strlen(args->cmdline);
114 itemlen = strlen(item);
116 (char *)mrb_realloc(mrb, args->cmdline, cmdlinelen + itemlen + 2);
117 args->cmdline[cmdlinelen] = '\n';
118 memcpy(args->cmdline + cmdlinelen + 1, item, itemlen + 1);
122 printf("%s: No code specified for -e\n", *origargv);
129 printf("%s: No library specified for -r\n", *origargv);
135 if (args->libc == 0) {
136 args->libv = (char**)mrb_malloc(mrb, sizeof(char*));
139 args->libv = (char**)mrb_realloc(mrb, args->libv, sizeof(char*) * (args->libc + 1));
141 args->libv[args->libc++] = dup_arg_item(mrb, item);
144 if (!args->verbose) mrb_show_version(mrb);
145 args->verbose = TRUE;
148 if (strcmp((*argv) + 2, "version") == 0) {
149 mrb_show_version(mrb);
152 else if (strcmp((*argv) + 2, "verbose") == 0) {
153 args->verbose = TRUE;
156 else if (strcmp((*argv) + 2, "copyright") == 0) {
157 mrb_show_copyright(mrb);
165 if (args->rfp == NULL && args->cmdline == NULL) {
166 if (*argv == NULL) args->rfp = stdin;
168 args->rfp = fopen(argv[0], args->mrbfile ? "rb" : "r");
169 if (args->rfp == NULL) {
170 printf("%s: Cannot open program file. (%s)\n", *origargv, *argv);
174 args->cmdline = argv[0];
178 args->argv = (char **)mrb_realloc(mrb, args->argv, sizeof(char*) * (argc + 1));
179 memcpy(args->argv, argv, (argc+1) * sizeof(char*));
186 cleanup(mrb_state *mrb, struct _args *args)
188 if (args->rfp && args->rfp != stdin)
191 mrb_free(mrb, args->cmdline);
192 mrb_free(mrb, args->argv);
194 while (args->libc--) {
195 mrb_free(mrb, args->libv[args->libc]);
197 mrb_free(mrb, args->libv);
203 main(int argc, char **argv)
205 mrb_state *mrb = mrb_open();
215 fputs("Invalid mrb_state, exiting mruby\n", stderr);
219 n = parse_args(mrb, argc, argv, &args);
220 if (n == EXIT_FAILURE || (args.cmdline == NULL && args.rfp == NULL)) {
226 int ai = mrb_gc_arena_save(mrb);
227 ARGV = mrb_ary_new_capa(mrb, args.argc);
228 for (i = 0; i < args.argc; i++) {
229 char* utf8 = mrb_utf8_from_locale(args.argv[i], -1);
231 mrb_ary_push(mrb, ARGV, mrb_str_new_cstr(mrb, utf8));
235 mrb_define_global_const(mrb, "ARGV", ARGV);
236 mrb_gv_set(mrb, mrb_intern_lit(mrb, "$DEBUG"), mrb_bool_value(args.debug));
238 c = mrbc_context_new(mrb);
240 c->dump_result = TRUE;
241 if (args.check_syntax)
245 zero_sym = mrb_intern_lit(mrb, "$0");
248 cmdline = args.cmdline ? args.cmdline : "-";
249 mrbc_filename(mrb, c, cmdline);
250 mrb_gv_set(mrb, zero_sym, mrb_str_new_cstr(mrb, cmdline));
253 mrbc_filename(mrb, c, "-e");
254 mrb_gv_set(mrb, zero_sym, mrb_str_new_lit(mrb, "-e"));
258 for (i = 0; i < args.libc; i++) {
259 FILE *lfp = fopen(args.libv[i], args.mrbfile ? "rb" : "r");
261 printf("Cannot open library file: %s\n", args.libv[i]);
262 mrbc_context_free(mrb, c);
267 v = mrb_load_irep_file_cxt(mrb, lfp, c);
270 v = mrb_load_file_cxt(mrb, lfp, c);
277 v = mrb_load_irep_file_cxt(mrb, args.rfp, c);
280 v = mrb_load_file_cxt(mrb, args.rfp, c);
283 char* utf8 = mrb_utf8_from_locale(args.cmdline, -1);
285 v = mrb_load_string_cxt(mrb, utf8, c);
289 mrb_gc_arena_restore(mrb, ai);
290 mrbc_context_free(mrb, c);
292 if (mrb_undef_p(v)) {
293 mrb_p(mrb, mrb_obj_value(mrb->exc));
296 mrb_print_error(mrb);
300 else if (args.check_syntax) {
301 printf("Syntax OK\n");
306 return n == 0 ? EXIT_SUCCESS : EXIT_FAILURE;