diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-09-28 21:47:31 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-09-28 21:47:31 +0000 |
commit | 4507782baa98291e552ce9a76fc5e0bf8795ca49 (patch) | |
tree | b1db93995d51e998348f8a577123ecdfccdf5aef /ruby.c | |
parent | 29621688c75a3124e538c8fae590f2c321d1c5e8 (diff) | |
download | ruby-4507782baa98291e552ce9a76fc5e0bf8795ca49.tar.gz |
* ruby.c (struct cmdline_options): static variables packed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13558 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby.c')
-rw-r--r-- | ruby.c | 382 |
1 files changed, 199 insertions, 183 deletions
@@ -62,24 +62,38 @@ static const union { char *getenv(); #endif +/* TODO: move to VM */ VALUE ruby_debug = Qfalse; VALUE ruby_verbose = Qfalse; -static int sflag = 0; -static int xflag = 0; extern int ruby_yydebug; char *ruby_inplace_mode = 0; -static NODE *load_file(VALUE, const char *, int); -static void forbid_setid(const char *); +struct cmdline_options { + int sflag, xflag; + int do_loop, do_print; + int do_check, do_line; + int do_split, do_search; + int usage; + int version; + int copyright; + int verbose; + int yydebug; + char *script; + VALUE e_script; + int enc_index; +}; -static VALUE do_loop = Qfalse, do_print = Qfalse; -static VALUE do_check = Qfalse, do_line = Qfalse; -static VALUE do_split = Qfalse; -static int enc_index = 0; +static NODE *load_file(VALUE, const char *, int, struct cmdline_options *); +static void forbid_setid(const char *); -static int origargc; -static char **origargv; +static int { + int argc; + char **argv; +#if !defined(PSTAT_SETCMD) && !defined(HAVE_SETPROCTITLE) + int len; +#endif +} origarg; static void usage(const char *name) @@ -377,7 +391,9 @@ struct req_list { char *name; struct req_list *next; }; -static struct req_list req_list_head, *req_list_last = &req_list_head; +static struct { + struct req_list *last, head; +} req_list = {&req_list.head,}; static void add_modules(const char *mod) @@ -388,8 +404,8 @@ add_modules(const char *mod) list->name = ALLOC_N(char, strlen(mod) + 1); strcpy(list->name, mod); list->next = 0; - req_list_last->next = list; - req_list_last = list; + req_list.last->next = list; + req_list.last = list; } extern void Init_ext(void); @@ -397,11 +413,11 @@ extern void Init_ext(void); static void require_libraries(void) { - struct req_list *list = req_list_head.next; + struct req_list *list = req_list.head.next; struct req_list *tmp; Init_ext(); /* should be called here for some reason :-( */ - req_list_last = 0; + req_list.last = 0; while (list) { int state; @@ -413,13 +429,13 @@ require_libraries(void) free(list); list = tmp; } - req_list_head.next = 0; + req_list.head.next = 0; } static void -process_sflag(void) +process_sflag(struct cmdline_options *opt) { - if (sflag) { + if (opt->sflag) { long n; VALUE *args; @@ -459,8 +475,7 @@ process_sflag(void) rb_str_cat(name_error[0], s, p - s); } name_error[1] = args[-1]; - rb_exc_raise(rb_class_new_instance - (2, name_error, rb_eNameError)); + rb_exc_raise(rb_class_new_instance(2, name_error, rb_eNameError)); } } s[0] = '$'; @@ -477,15 +492,15 @@ process_sflag(void) rb_ary_shift(rb_argv); } } - sflag = 0; + opt->sflag = 0; } NODE *rb_parser_append_print(VALUE, NODE *); NODE *rb_parser_while_loop(VALUE, NODE *, int, int); -static NODE *proc_options(int argc, char **argv); +static int proc_options(int argc, char **argv, struct cmdline_options *opt); static char * -moreswitches(const char *s) +moreswitches(const char *s, struct cmdline_options *opt) { int argc; char *argv[3]; @@ -499,32 +514,21 @@ moreswitches(const char *s) argv[1][0] = '-'; strncpy(argv[1] + 1, p, s - p); argv[1][s - p + 1] = '\0'; - proc_options(argc, argv); + proc_options(argc, argv, opt); while (*s && ISSPACE(*s)) s++; return (char *)s; } -static NODE * -proc_options(int argc, char **argv) +static int +proc_options(int argc, char **argv, struct cmdline_options *opt) { - char *argv0 = argv[0]; - int do_search; + int argc0 = argc; const char *s; - char *script = 0; - NODE *tree; - VALUE parser; - - int version = 0; - int copyright = 0; - int verbose = 0; - VALUE e_script = Qfalse; if (argc == 0) return 0; - do_search = Qfalse; - for (argc--, argv++; argc > 0; argc--, argv++) { if (argv[0][0] != '-' || !argv[0][1]) break; @@ -533,15 +537,15 @@ proc_options(int argc, char **argv) reswitch: switch (*s) { case 'a': - do_split = Qtrue; + opt->do_split = Qtrue; s++; goto reswitch; case 'p': - do_print = Qtrue; + opt->do_print = Qtrue; /* through */ case 'n': - do_loop = Qtrue; + opt->do_loop = Qtrue; s++; goto reswitch; @@ -557,12 +561,12 @@ proc_options(int argc, char **argv) goto reswitch; case 'v': - if (argv0 == 0 || verbose) { + if (opt->verbose) { s++; goto reswitch; } ruby_show_version(); - verbose = 1; + opt->verbose = 1; case 'w': ruby_verbose = Qtrue; s++; @@ -594,29 +598,29 @@ proc_options(int argc, char **argv) goto reswitch; case 'c': - do_check = Qtrue; + opt->do_check = Qtrue; s++; goto reswitch; case 's': forbid_setid("-s"); - sflag = 1; + opt->sflag = 1; s++; goto reswitch; case 'h': - usage(origargv[0]); + usage(origarg.argv[0]); exit(0); case 'l': - do_line = Qtrue; + opt->do_line = Qtrue; rb_output_rs = rb_rs; s++; goto reswitch; case 'S': forbid_setid("-S"); - do_search = Qtrue; + opt->do_search = Qtrue; s++; goto reswitch; @@ -627,17 +631,15 @@ proc_options(int argc, char **argv) argc--, argv++; } if (!s) { - fprintf(stderr, "%s: no code specified for -e\n", - origargv[0]); - exit(2); + rb_raise(rb_eRuntimeError, "no code specified for -e"); } - if (!e_script) { - e_script = rb_str_new(0, 0); - if (script == 0) - script = "-e"; + if (!opt->e_script) { + opt->e_script = rb_str_new(0, 0); + if (opt->script == 0) + opt->script = "-e"; } - rb_str_cat2(e_script, s); - rb_str_cat2(e_script, "\n"); + rb_str_cat2(opt->e_script, s); + rb_str_cat2(opt->e_script, "\n"); break; case 'r': @@ -659,7 +661,7 @@ proc_options(int argc, char **argv) break; case 'x': - xflag = Qtrue; + opt->xflag = Qtrue; s++; if (*s && chdir(s) < 0) { rb_fatal("Can't chdir to %s", s); @@ -691,7 +693,7 @@ proc_options(int argc, char **argv) if (*++s) { rb_encoding *enc = 0; #if 0 - if ((enc_index = rb_enc_find_index(s)) >= 0) break; + if ((opt->enc_index = rb_enc_find_index(s)) >= 0) break; #endif switch (*s) { case 'E': case 'e': @@ -709,7 +711,7 @@ proc_options(int argc, char **argv) default: rb_raise(rb_eRuntimeError, "unknown encoding name - %s", s); } - enc_index = rb_enc_to_index(enc); + opt->enc_index = rb_enc_to_index(enc); s++; } goto reswitch; @@ -766,28 +768,26 @@ proc_options(int argc, char **argv) } s++; if (strcmp("copyright", s) == 0) - copyright = 1; + opt->copyright = 1; else if (strcmp("debug", s) == 0) { ruby_debug = Qtrue; ruby_verbose = Qtrue; } else if (strcmp("version", s) == 0) - version = 1; + opt->version = 1; else if (strcmp("verbose", s) == 0) { - verbose = 1; + opt->verbose = 1; ruby_verbose = Qtrue; } else if (strcmp("yydebug", s) == 0) ruby_yydebug = 1; else if (strcmp("help", s) == 0) { - usage(origargv[0]); + usage(origarg.argv[0]); exit(0); } else { - fprintf(stderr, - "%s: invalid option --%s (-h will show valid options)\n", - origargv[0], s); - exit(2); + rb_raise(rb_eRuntimeError, + "invalid option --%s (-h will show valid options)", s); } break; @@ -800,15 +800,15 @@ proc_options(int argc, char **argv) const char *format; if (ISPRINT(*s)) { format = - "%s: invalid option -%c (-h will show valid options)\n"; + "invalid option -%c (-h will show valid options)"; } else { format = - "%s: invalid option -\\%03o (-h will show valid options)\n"; + "invalid option -\\%03o (-h will show valid options)"; } - fprintf(stderr, format, origargv[0], (int)(unsigned char)*s); + rb_raise(rb_eRuntimeError, format, (int)(unsigned char)*s); } - exit(2); + goto switch_end; case 0: break; @@ -816,8 +816,19 @@ proc_options(int argc, char **argv) } switch_end: - if (argv0 == 0) - return 0; + return argc0 - argc; +} + +static NODE * +process_options(int argc, char **argv, struct cmdline_options *opt) +{ + NODE *tree = 0; + VALUE parser; + const char *s; + int i = proc_options(argc, argv, opt); + + argc -= i; + argv += i; if (rb_safe_level() == 0 && (s = getenv("RUBYOPT"))) { while (ISSPACE(*s)) @@ -851,16 +862,16 @@ proc_options(int argc, char **argv) if (!strchr("IdvwWrK", *s)) rb_raise(rb_eRuntimeError, "illegal switch in RUBYOPT: -%c", *s); - s = moreswitches(s); + s = moreswitches(s, opt); } } } - if (version) { + if (opt->version) { ruby_show_version(); exit(0); } - if (copyright) { + if (opt->copyright) { ruby_show_copyright(); } @@ -869,77 +880,81 @@ proc_options(int argc, char **argv) OBJ_TAINT(rb_load_path); } - if (!e_script) { + if (!opt->e_script) { if (argc == 0) { /* no more args */ - if (verbose) - exit(0); - script = "-"; + if (opt->verbose) + return 0; + opt->script = "-"; } else { - script = argv[0]; - if (script[0] == '\0') { - script = "-"; + opt->script = argv[0]; + if (opt->script[0] == '\0') { + opt->script = "-"; } - else if (do_search) { + else if (opt->do_search) { char *path = getenv("RUBYPATH"); - script = 0; + opt->script = 0; if (path) { - script = dln_find_file(argv[0], path); + opt->script = dln_find_file(argv[0], path); } - if (!script) { - script = dln_find_file(argv[0], getenv(PATH_ENV)); + if (!opt->script) { + opt->script = dln_find_file(argv[0], getenv(PATH_ENV)); } - if (!script) - script = argv[0]; + if (!opt->script) + opt->script = argv[0]; } #if defined DOSISH || defined __CYGWIN__ /* assume that we can change argv[n] if never change its length. */ - translate_char(script, '\\', '/'); + translate_char(opt->script, '\\', '/'); #endif argc--; argv++; } } - ruby_script(script); + ruby_script(opt->script); ruby_set_argv(argc, argv); - process_sflag(); + process_sflag(opt); ruby_init_loadpath(); parser = rb_parser_new(); - if (e_script) { - rb_enc_associate_index(e_script, enc_index); + if (opt->e_script) { + rb_enc_associate_index(opt->e_script, opt->enc_index); require_libraries(); - tree = rb_parser_compile_string(parser, script, e_script, 1); + tree = rb_parser_compile_string(parser, opt->script, opt->e_script, 1); } else { - if (script[0] == '-' && !script[1]) { + if (opt->script[0] == '-' && !opt->script[1]) { forbid_setid("program input from stdin"); } - tree = load_file(parser, script, 1); + tree = load_file(parser, opt->script, 1, opt); } - process_sflag(); - xflag = 0; + if (!tree) return 0; + + process_sflag(opt); + opt->xflag = 0; if (rb_safe_level() >= 4) { FL_UNSET(rb_argv, FL_TAINT); FL_UNSET(rb_load_path, FL_TAINT); } - if (tree && do_print) { - tree = rb_parser_append_print(parser, tree); - } - if (tree && do_loop) { - tree = rb_parser_while_loop(parser, tree, do_line, do_split); + if (tree) { + if (opt->do_print) { + tree = rb_parser_append_print(parser, tree); + } + if (opt->do_loop) { + tree = rb_parser_while_loop(parser, tree, opt->do_line, opt->do_split); + } } return tree; } static NODE * -load_file(VALUE parser, const char *fname, int script) +load_file(VALUE parser, const char *fname, int script, struct cmdline_options *opt) { extern VALUE rb_stdin; VALUE f; @@ -972,9 +987,9 @@ load_file(VALUE parser, const char *fname, int script) VALUE line; char *p; - if (xflag) { + if (opt->xflag) { forbid_setid("-x"); - xflag = Qfalse; + opt->xflag = Qfalse; while (!NIL_P(line = rb_io_gets(f))) { line_start++; if (RSTRING_LEN(line) > 2 @@ -1015,12 +1030,12 @@ load_file(VALUE parser, const char *fname, int script) p++; *p++ = '\0'; if (p < pend) { - argv = ALLOCA_N(char *, origargc + 3); + argv = ALLOCA_N(char *, origarg.argc + 3); argv[1] = p; - MEMCPY(argv + 2, origargv + 1, char *, origargc); + MEMCPY(argv + 2, origarg.argv + 1, char *, origarg.argc); } else { - argv = origargv; + argv = origarg.argv; } argv[0] = path; execv(path, argv); @@ -1036,7 +1051,7 @@ load_file(VALUE parser, const char *fname, int script) if ((p = strstr(p, " -")) != 0) { p++; /* skip space before `-' */ while (*p == '-') { - p = moreswitches(p + 1); + p = moreswitches(p + 1, opt); } } @@ -1053,7 +1068,7 @@ load_file(VALUE parser, const char *fname, int script) } require_libraries(); /* Why here? unnatural */ } - rb_enc_associate_index(f, enc_index); + rb_enc_associate_index(f, opt->enc_index); parser = rb_parser_new(); tree = (NODE *)rb_parser_compile_file(parser, fname, f, line_start); if (script && rb_parser_end_seen_p(parser)) { @@ -1068,46 +1083,56 @@ load_file(VALUE parser, const char *fname, int script) void * rb_load_file(const char *fname) { - return load_file(rb_parser_new(), fname, 0); + struct cmdline_options opt; + + MEMZERO(&opt, opt, 1); + return load_file(rb_parser_new(), fname, 0, &opt); } VALUE rb_progname; VALUE rb_argv; VALUE rb_argv0; -#if defined(PSTAT_SETCMD) || defined(HAVE_SETPROCTITLE) -#elif defined(_WIN32) -#elif defined(HAVE_SETENV) && defined(HAVE_UNSETENV) -#else +#if !defined(PSTAT_SETCMD) && !defined(HAVE_SETPROCTITLE) +#if !defined(_WIN32) && !(defined(HAVE_SETENV) && defined(HAVE_UNSETENV)) #define USE_ENVSPACE_FOR_ARG0 #endif #ifdef USE_ENVSPACE_FOR_ARG0 -static struct { - char *begin, *end; -} envspace; extern char **environ; +#endif -static void -set_arg0space() +static int +get_arglen(int argc, char **argv) { - char *s; + char *s = argv[0]; int i; - if (!environ || (s = environ[0]) == NULL) - return; - envspace.begin = s; s += strlen(s); - for (i = 1; environ[i]; i++) { - if (environ[i] == s + 1) { + /* See if all the arguments are contiguous in memory */ + for (i = 1; i < argc; i++) { + if (argv[i] == s + 1) { s++; s += strlen(s); /* this one is ok too */ } + else { + break; + } + } +#if defined(USE_ENVSPACE_FOR_ARG0) + if (environ && (s == environ[0])) { + s += strlen(s); + for (i = 1; environ[i]; i++) { + if (environ[i] == s + 1) { + s++; + s += strlen(s); /* this one is ok too */ + } + } + ruby_setenv("", NULL); /* duplicate environ vars */ } - envspace.end = s; +#endif + return s - argv[0]; } -#else -#define set_arg0space() ((void)0) #endif static void @@ -1115,11 +1140,8 @@ set_arg0(VALUE val, ID id) { char *s; long i; -#if !defined(PSTAT_SETCMD) && !defined(HAVE_SETPROCTITLE) - static int len; -#endif - if (origargv == 0) + if (origarg.argv == 0) rb_raise(rb_eRuntimeError, "$0 not initialized"); StringValue(val); s = RSTRING_PTR(val); @@ -1138,47 +1160,25 @@ set_arg0(VALUE val, ID id) un.pst_command = s; pstat(PSTAT_SETCMD, un, i, 0, 0); } - rb_progname = rb_tainted_str_new(s, i); #elif defined(HAVE_SETPROCTITLE) setproctitle("%.*s", (int)i, s); - rb_progname = rb_tainted_str_new(s, i); #else - if (len == 0) { - char *s = origargv[0]; - int i; - - s += strlen(s); - /* See if all the arguments are contiguous in memory */ - for (i = 1; i < origargc; i++) { - if (origargv[i] == s + 1) { - s++; - s += strlen(s); /* this one is ok too */ - } - else { - break; - } - } -#if defined(USE_ENVSPACE_FOR_ARG0) - if (s + 1 == envspace.begin) { - s = envspace.end; - ruby_setenv("", NULL); /* duplicate environ vars */ - } -#endif - len = s - origargv[0]; - } - if (i >= len) { - i = len; + if (i >= origarg.len) { + i = origarg.len; } - memcpy(origargv[0], s, i); - s = origargv[0] + i; + memcpy(origarg.argv[0], s, i); + s = origarg.argv[0] + i; *s = '\0'; - if (++i < len) memset(s + 1, ' ', len - i); - for (i = 1; i < origargc; i++) - origargv[i] = s; - rb_progname = rb_tainted_str_new2(origargv[0]); + if (i + 1 < origarg.len) memset(s + 1, ' ', origarg.len - i - 1); + { + int j; + for (j = 1; j < origarg.argc; j++) + origarg.argv[i] = s; + } #endif + rb_progname = rb_tainted_str_new(s, i); } void @@ -1247,8 +1247,6 @@ ruby_prog_init(void) rb_define_virtual_variable("$-W", opt_W_getter, 0); rb_define_variable("$DEBUG", &ruby_debug); rb_define_variable("$-d", &ruby_debug); - rb_define_readonly_variable("$-p", &do_print); - rb_define_readonly_variable("$-l", &do_line); rb_define_hooked_variable("$0", &rb_progname, 0, set_arg0); rb_define_hooked_variable("$PROGRAM_NAME", &rb_progname, 0, set_arg0); @@ -1256,7 +1254,6 @@ ruby_prog_init(void) rb_define_readonly_variable("$*", &rb_argv); rb_argv = rb_ary_new(); rb_define_global_const("ARGV", rb_argv); - rb_define_readonly_variable("$-a", &do_split); rb_global_variable(&rb_argv0); #ifdef MSDOS @@ -1275,8 +1272,8 @@ ruby_set_argv(int argc, char **argv) int i; #if defined(USE_DLN_A_OUT) - if (origargv) - dln_argv0 = origargv[0]; + if (origarg.argv) + dln_argv0 = origarg.argv[0]; else dln_argv0 = argv[0]; #endif @@ -1289,25 +1286,44 @@ ruby_set_argv(int argc, char **argv) } } +static VALUE +false_value(void) +{ + return Qfalse; +} + +static VALUE +true_value(void) +{ + return Qtrue; +} + +#define rb_define_readonly_boolean(name, val) \ + rb_define_virtual_variable((name), (val) ? true_value : false_value, 0) + void * ruby_process_options(int argc, char **argv) { + struct cmdline_options opt; NODE *tree; - origargc = argc; - origargv = argv; + origarg.argc = argc; + origarg.argv = argv; + MEMZERO(&opt, opt, 1); ruby_script(argv[0]); /* for the time being */ rb_argv0 = rb_progname; #if defined(USE_DLN_A_OUT) dln_argv0 = argv[0]; #endif - set_arg0space(); - tree = proc_options(argc, argv); +#if !defined(PSTAT_SETCMD) && !defined(HAVE_SETPROCTITLE) + origarg.len = get_arglen(origarg.argc, origarg.argv); +#endif + tree = process_options(argc, argv, &opt); + + rb_define_readonly_boolean("$-p", opt.do_print); + rb_define_readonly_boolean("$-l", opt.do_line); + rb_define_readonly_boolean("$-a", opt.do_split); - if (do_check && tree) { - printf("Syntax OK\n"); - exit(0); - } return tree; } |