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-rw-r--r--ruby.c2336
1 files changed, 2038 insertions, 298 deletions
diff --git a/ruby.c b/ruby.c
index 8029a3e026..7c32d4170d 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1,428 +1,2168 @@
-/************************************************
+/**********************************************************************
ruby.c -
- $Author: matz $
- $Date: 1995/01/10 10:42:51 $
+ $Author$
created at: Tue Aug 10 12:47:31 JST 1993
- Copyright (C) 1994 Yukihiro Matsumoto
+ Copyright (C) 1993-2007 Yukihiro Matsumoto
+ Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
+ Copyright (C) 2000 Information-technology Promotion Agency, Japan
-************************************************/
+**********************************************************************/
-#include "ruby.h"
-#include "re.h"
+#ifdef __CYGWIN__
+#include <windows.h>
+#include <sys/cygwin.h>
+#endif
+#include "internal.h"
+#include "ruby/thread.h"
+#include "eval_intern.h"
+#include "dln.h"
#include <stdio.h>
-#include <fcntl.h>
#include <sys/types.h>
-#include <sys/stat.h>
-#include <signal.h>
+#include <ctype.h>
+
+#ifdef __hpux
+#include <sys/pstat.h>
+#endif
+#if defined(LOAD_RELATIVE) && defined(HAVE_DLADDR)
+#include <dlfcn.h>
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if defined(HAVE_FCNTL_H)
+#include <fcntl.h>
+#elif defined(HAVE_SYS_FCNTL_H)
+#include <sys/fcntl.h>
+#endif
+#ifdef HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+#ifndef MAXPATHLEN
+# define MAXPATHLEN 1024
+#endif
+#ifndef O_ACCMODE
+# define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
+#endif
-#include "getopt.h"
+#include "ruby/util.h"
-static int version, copyright;
+#ifndef HAVE_STDLIB_H
+char *getenv();
+#endif
-static struct option long_options[] =
-{
- {"debug", 0, 0, 'd'},
- {"yydebug", 0, 0, 'y'},
- {"verbose", 0, 0, 'v'},
- {"version", 0, &version, 1},
- {"copyright", 0, &copyright, 1},
- {0, 0, 0, 0}
+#ifndef DISABLE_RUBYGEMS
+# define DISABLE_RUBYGEMS 0
+#endif
+#if DISABLE_RUBYGEMS
+#define DEFAULT_RUBYGEMS_ENABLED "disabled"
+#else
+#define DEFAULT_RUBYGEMS_ENABLED "enabled"
+#endif
+
+#define FEATURE_BIT(bit) (1U << feature_##bit)
+enum feature_flag_bits {
+ feature_gems,
+ feature_did_you_mean,
+ feature_rubyopt,
+ feature_frozen_string_literal,
+ feature_debug_frozen_string_literal,
+ feature_flag_count
+};
+
+#define DEBUG_BIT(bit) (1U << feature_debug_##bit)
+
+#define DUMP_BIT(bit) (1U << dump_##bit)
+enum dump_flag_bits {
+ dump_version,
+ dump_version_v,
+ dump_copyright,
+ dump_usage,
+ dump_help,
+ dump_yydebug,
+ dump_syntax,
+ dump_parsetree,
+ dump_parsetree_with_comment,
+ dump_insns,
+ dump_flag_count
+};
+
+struct cmdline_options {
+ int sflag, xflag;
+ int do_loop, do_print;
+ int do_line, do_split;
+ int do_search;
+ unsigned int features;
+ int verbose;
+ int safe_level;
+ unsigned int setids;
+ unsigned int dump;
+ const char *script;
+ VALUE script_name;
+ VALUE e_script;
+ struct {
+ struct {
+ VALUE name;
+ int index;
+ } enc;
+ } src, ext, intern;
+ VALUE req_list;
};
-int debug = 0;
-int verbose = 0;
-static int sflag = FALSE;
+static void init_ids(struct cmdline_options *);
+
+#define src_encoding_index GET_VM()->src_encoding_index
+
+enum {
+ COMPILATION_FEATURES = (
+ 0
+ | FEATURE_BIT(frozen_string_literal)
+ | FEATURE_BIT(debug_frozen_string_literal)
+ ),
+ DEFAULT_FEATURES = (
+ ~0U
+#if DISABLE_RUBYGEMS
+ & ~FEATURE_BIT(gems)
+#endif
+ & ~FEATURE_BIT(frozen_string_literal)
+ & ~FEATURE_BIT(debug_frozen_string_literal)
+ )
+};
+
+static struct cmdline_options *
+cmdline_options_init(struct cmdline_options *opt)
+{
+ MEMZERO(opt, *opt, 1);
+ init_ids(opt);
+ opt->src.enc.index = src_encoding_index;
+ opt->ext.enc.index = -1;
+ opt->intern.enc.index = -1;
+ opt->features = DEFAULT_FEATURES;
+ return opt;
+}
+
+static NODE *load_file(VALUE, VALUE, int, struct cmdline_options *);
+static void forbid_setid(const char *, struct cmdline_options *);
+#define forbid_setid(s) forbid_setid((s), opt)
-char *inplace = Qnil;
-char *strdup();
-char *strstr();
-char *strchr();
-char *dln_find_file();
+static struct {
+ int argc;
+ char **argv;
+} origarg;
-extern int yydebug;
-extern int nerrs;
+static void
+show_usage_line(const char *str, unsigned int namelen, unsigned int secondlen, int help)
+{
+ const unsigned int w = 16;
+ const int wrap = help && namelen + secondlen - 2 > w;
+ printf(" %.*s%-*.*s%-*s%s\n", namelen-1, str,
+ (wrap ? 0 : w - namelen + 1),
+ (help ? secondlen-1 : 0), str + namelen,
+ (wrap ? w + 3 : 0), (wrap ? "\n" : ""),
+ str + namelen + secondlen);
+}
+
+static void
+usage(const char *name, int help)
+{
+ /* This message really ought to be max 23 lines.
+ * Removed -h because the user already knows that option. Others? */
+
+ struct message {
+ const char *str;
+ unsigned short namelen, secondlen;
+ };
+#define M(shortopt, longopt, desc) { \
+ shortopt " " longopt " " desc, \
+ (unsigned short)sizeof(shortopt), \
+ (unsigned short)sizeof(longopt), \
+}
+ static const struct message usage_msg[] = {
+ M("-0[octal]", "", "specify record separator (\\0, if no argument)"),
+ M("-a", "", "autosplit mode with -n or -p (splits $_ into $F)"),
+ M("-c", "", "check syntax only"),
+ M("-Cdirectory", "", "cd to directory before executing your script"),
+ M("-d", ", --debug", "set debugging flags (set $DEBUG to true)"),
+ M("-e 'command'", "", "one line of script. Several -e's allowed. Omit [programfile]"),
+ M("-Eex[:in]", ", --encoding=ex[:in]", "specify the default external and internal character encodings"),
+ M("-Fpattern", "", "split() pattern for autosplit (-a)"),
+ M("-i[extension]", "", "edit ARGV files in place (make backup if extension supplied)"),
+ M("-Idirectory", "", "specify $LOAD_PATH directory (may be used more than once)"),
+ M("-l", "", "enable line ending processing"),
+ M("-n", "", "assume 'while gets(); ... end' loop around your script"),
+ M("-p", "", "assume loop like -n but print line also like sed"),
+ M("-rlibrary", "", "require the library before executing your script"),
+ M("-s", "", "enable some switch parsing for switches after script name"),
+ M("-S", "", "look for the script using PATH environment variable"),
+ M("-T[level=1]", "", "turn on tainting checks"),
+ M("-v", ", --verbose", "print version number, then turn on verbose mode"),
+ M("-w", "", "turn warnings on for your script"),
+ M("-W[level=2]", "", "set warning level; 0=silence, 1=medium, 2=verbose"),
+ M("-x[directory]", "", "strip off text before #!ruby line and perhaps cd to directory"),
+ M("-h", "", "show this message, --help for more info"),
+ };
+ static const struct message help_msg[] = {
+ M("--copyright", "", "print the copyright"),
+ M("--enable=feature[,...]", ", --disable=feature[,...]",
+ "enable or disable features"),
+ M("--external-encoding=encoding", ", --internal-encoding=encoding",
+ "specify the default external or internal character encoding"),
+ M("--version", "", "print the version"),
+ M("--help", "", "show this message, -h for short message"),
+ };
+ static const struct message features[] = {
+ M("gems", "", "rubygems (default: "DEFAULT_RUBYGEMS_ENABLED")"),
+ M("did_you_mean", "", "did_you_mean (default: "DEFAULT_RUBYGEMS_ENABLED")"),
+ M("rubyopt", "", "RUBYOPT environment variable (default: enabled)"),
+ M("frozen-string-literal", "", "freeze all string literals (default: disabled)"),
+ };
+ int i;
+ const int num = numberof(usage_msg) - (help ? 1 : 0);
+#define SHOW(m) show_usage_line((m).str, (m).namelen, (m).secondlen, help)
+
+ printf("Usage: %s [switches] [--] [programfile] [arguments]\n", name);
+ for (i = 0; i < num; ++i)
+ SHOW(usage_msg[i]);
+
+ if (!help) return;
+
+ for (i = 0; i < numberof(help_msg); ++i)
+ SHOW(help_msg[i]);
+ puts("Features:");
+ for (i = 0; i < numberof(features); ++i)
+ SHOW(features[i]);
+}
+
+#define rubylib_path_new rb_str_new
+
+static void
+push_include(const char *path, VALUE (*filter)(VALUE))
+{
+ const char sep = PATH_SEP_CHAR;
+ const char *p, *s;
+ VALUE load_path = GET_VM()->load_path;
+
+ p = path;
+ while (*p) {
+ while (*p == sep)
+ p++;
+ if (!*p) break;
+ for (s = p; *s && *s != sep; s = CharNext(s));
+ rb_ary_push(load_path, (*filter)(rubylib_path_new(p, s - p)));
+ p = s;
+ }
+}
+
+#ifdef __CYGWIN__
+static void
+push_include_cygwin(const char *path, VALUE (*filter)(VALUE))
+{
+ const char *p, *s;
+ char rubylib[FILENAME_MAX];
+ VALUE buf = 0;
+
+ p = path;
+ while (*p) {
+ unsigned int len;
+ while (*p == ';')
+ p++;
+ if (!*p) break;
+ for (s = p; *s && *s != ';'; s = CharNext(s));
+ len = s - p;
+ if (*s) {
+ if (!buf) {
+ buf = rb_str_new(p, len);
+ p = RSTRING_PTR(buf);
+ }
+ else {
+ rb_str_resize(buf, len);
+ p = strncpy(RSTRING_PTR(buf), p, len);
+ }
+ }
+#ifdef HAVE_CYGWIN_CONV_PATH
+#define CONV_TO_POSIX_PATH(p, lib) \
+ cygwin_conv_path(CCP_WIN_A_TO_POSIX|CCP_RELATIVE, (p), (lib), sizeof(lib))
+#else
+# error no cygwin_conv_path
+#endif
+ if (CONV_TO_POSIX_PATH(p, rubylib) == 0)
+ p = rubylib;
+ push_include(p, filter);
+ if (!*s) break;
+ p = s + 1;
+ }
+}
+
+#define push_include push_include_cygwin
+#endif
+
+void
+ruby_push_include(const char *path, VALUE (*filter)(VALUE))
+{
+ if (path == 0)
+ return;
+ push_include(path, filter);
+}
+
+static VALUE
+identical_path(VALUE path)
+{
+ return path;
+}
+static VALUE
+locale_path(VALUE path)
+{
+ rb_enc_associate(path, rb_locale_encoding());
+ return path;
+}
+
+void
+ruby_incpush(const char *path)
+{
+ ruby_push_include(path, locale_path);
+}
+
+static VALUE
+expand_include_path(VALUE path)
+{
+ char *p = RSTRING_PTR(path);
+ if (!p)
+ return path;
+ if (*p == '.' && p[1] == '/')
+ return path;
+ return rb_file_expand_path(path, Qnil);
+}
+
+void
+ruby_incpush_expand(const char *path)
+{
+ ruby_push_include(path, expand_include_path);
+}
+
+#undef UTF8_PATH
+#if defined _WIN32 || defined __CYGWIN__
+static HMODULE libruby;
+
+BOOL WINAPI
+DllMain(HINSTANCE dll, DWORD reason, LPVOID reserved)
+{
+ if (reason == DLL_PROCESS_ATTACH)
+ libruby = dll;
+ return TRUE;
+}
+
+HANDLE
+rb_libruby_handle(void)
+{
+ return libruby;
+}
+
+static inline void
+translit_char_bin(char *p, int from, int to)
+{
+ while (*p) {
+ if ((unsigned char)*p == from)
+ *p = to;
+ p++;
+ }
+}
+#endif
+
+#ifdef _WIN32
+# define UTF8_PATH 1
+#endif
+
+#ifndef UTF8_PATH
+# define UTF8_PATH 0
+#endif
+
+#if UTF8_PATH
+static VALUE
+str_conv_enc(VALUE str, rb_encoding *from, rb_encoding *to)
+{
+ return rb_str_conv_enc_opts(str, from, to,
+ ECONV_UNDEF_REPLACE|ECONV_INVALID_REPLACE,
+ Qnil);
+}
+#endif
+
+void ruby_init_loadpath_safe(int safe_level);
+
+void
+ruby_init_loadpath(void)
+{
+ ruby_init_loadpath_safe(0);
+}
+
+#if defined(LOAD_RELATIVE) && defined(HAVE_DLADDR)
+static VALUE
+dladdr_path(const void* addr)
+{
+ Dl_info dli;
+ VALUE fname, path;
+
+ if (!dladdr(addr, &dli)) {
+ return rb_str_new(0, 0);
+ }
+#ifdef __linux__
+ else if (dli.dli_fname == origarg.argv[0]) {
+ fname = rb_str_new_cstr("/proc/self/exe");
+ path = rb_readlink(fname, NULL);
+ }
+#endif
+ else {
+ fname = rb_str_new_cstr(dli.dli_fname);
+ path = rb_realpath_internal(Qnil, fname, 1);
+ }
+ rb_str_resize(fname, 0);
+ return path;
+}
+#endif
+
+#define INITIAL_LOAD_PATH_MARK rb_intern_const("@gem_prelude_index")
+
+void
+ruby_init_loadpath_safe(int safe_level)
+{
+ VALUE load_path;
+ ID id_initial_load_path_mark;
+ const char *paths = ruby_initial_load_paths;
+#if defined LOAD_RELATIVE
+# if defined HAVE_DLADDR || defined __CYGWIN__ || defined _WIN32
+# define VARIABLE_LIBPATH 1
+# else
+# define VARIABLE_LIBPATH 0
+# endif
+# if VARIABLE_LIBPATH
+ char *libpath;
+ VALUE sopath;
+# else
+ char libpath[MAXPATHLEN + 1];
+# endif
+ size_t baselen;
+ char *p;
+
+#if defined _WIN32 || defined __CYGWIN__
+ sopath = rb_str_new(0, MAXPATHLEN);
+ libpath = RSTRING_PTR(sopath);
+ GetModuleFileName(libruby, libpath, MAXPATHLEN);
+#elif defined(HAVE_DLADDR)
+ sopath = dladdr_path((void *)(VALUE)expand_include_path);
+ libpath = RSTRING_PTR(sopath);
+#endif
+
+#if !VARIABLE_LIBPATH
+ libpath[sizeof(libpath) - 1] = '\0';
+#endif
+#if defined DOSISH
+ translit_char(libpath, '\\', '/');
+#elif defined __CYGWIN__
+ {
+ const int win_to_posix = CCP_WIN_A_TO_POSIX | CCP_RELATIVE;
+ size_t newsize = cygwin_conv_path(win_to_posix, libpath, 0, 0);
+ if (newsize > 0) {
+ VALUE rubylib = rb_str_new(0, newsize);
+ p = RSTRING_PTR(rubylib);
+ if (cygwin_conv_path(win_to_posix, libpath, p, newsize) == 0) {
+ rb_str_resize(sopath, 0);
+ sopath = rubylib;
+ libpath = p;
+ }
+ }
+ }
+#endif
+ p = strrchr(libpath, '/');
+ if (p) {
+ static const char bindir[] = "/bin";
+#ifdef LIBDIR_BASENAME
+ static const char libdir[] = "/"LIBDIR_BASENAME;
+#else
+ static const char libdir[] = "/lib";
+#endif
+ const ptrdiff_t bindir_len = (ptrdiff_t)sizeof(bindir) - 1;
+ const ptrdiff_t libdir_len = (ptrdiff_t)sizeof(libdir) - 1;
+
+#ifdef ENABLE_MULTIARCH
+ char *p2 = NULL;
+
+ multiarch:
+#endif
+ if (p - libpath >= bindir_len && !STRNCASECMP(p - bindir_len, bindir, bindir_len)) {
+ p -= bindir_len;
+ }
+ else if (p - libpath >= libdir_len && !strncmp(p - libdir_len, libdir, libdir_len)) {
+ p -= libdir_len;
+ }
+#ifdef ENABLE_MULTIARCH
+ else if (p2) {
+ p = p2;
+ }
+ else {
+ p2 = p;
+ p = rb_enc_path_last_separator(libpath, p, rb_ascii8bit_encoding());
+ if (p) goto multiarch;
+ p = p2;
+ }
+#endif
+#if !VARIABLE_LIBPATH
+ *p = 0;
+#endif
+ }
+#if !VARIABLE_LIBPATH
+ else {
+ strlcpy(libpath, ".", sizeof(libpath));
+ p = libpath + 1;
+ }
+ baselen = p - libpath;
+#define PREFIX_PATH() rb_str_new(libpath, baselen)
+#else
+ baselen = p - libpath;
+ rb_str_resize(sopath, baselen);
+ libpath = RSTRING_PTR(sopath);
+#define PREFIX_PATH() sopath
+#endif
-int xflag = FALSE;
+#define BASEPATH() rb_str_buf_cat(rb_str_buf_new(baselen+len), libpath, baselen)
-#ifdef USE_DLN
-char *rb_dln_argv0;
+#define RUBY_RELATIVE(path, len) rb_str_buf_cat(BASEPATH(), (path), (len))
+#else
+ const size_t exec_prefix_len = strlen(ruby_exec_prefix);
+#define RUBY_RELATIVE(path, len) rubylib_path_new((path), (len))
+#define PREFIX_PATH() RUBY_RELATIVE(ruby_exec_prefix, exec_prefix_len)
#endif
+ load_path = GET_VM()->load_path;
+
+ if (safe_level == 0) {
+ ruby_push_include(getenv("RUBYLIB"), identical_path);
+ }
+
+ id_initial_load_path_mark = INITIAL_LOAD_PATH_MARK;
+ while (*paths) {
+ size_t len = strlen(paths);
+ VALUE path = RUBY_RELATIVE(paths, len);
+ rb_ivar_set(path, id_initial_load_path_mark, path);
+ rb_ary_push(load_path, path);
+ paths += len + 1;
+ }
+
+ rb_const_set(rb_cObject, rb_intern_const("TMP_RUBY_PREFIX"), rb_obj_freeze(PREFIX_PATH()));
+}
+
+
+static void
+add_modules(VALUE *req_list, const char *mod)
+{
+ VALUE list = *req_list;
+ VALUE feature;
+
+ if (!list) {
+ *req_list = list = rb_ary_new();
+ RBASIC_CLEAR_CLASS(list);
+ }
+ feature = rb_str_new2(mod);
+ RBASIC_CLEAR_CLASS(feature);
+ rb_ary_push(list, feature);
+}
-static void load_stdin();
-void rb_load_file();
+static void
+require_libraries(VALUE *req_list)
+{
+ VALUE list = *req_list;
+ VALUE self = rb_vm_top_self();
+ ID require;
+ rb_thread_t *th = GET_THREAD();
+ rb_encoding *extenc = rb_default_external_encoding();
+ int prev_parse_in_eval = th->parse_in_eval;
+ th->parse_in_eval = 0;
+
+ CONST_ID(require, "require");
+ while (list && RARRAY_LEN(list) > 0) {
+ VALUE feature = rb_ary_shift(list);
+ rb_enc_associate(feature, extenc);
+ RBASIC_SET_CLASS_RAW(feature, rb_cString);
+ OBJ_FREEZE(feature);
+ rb_funcall2(self, require, 1, &feature);
+ }
+ *req_list = 0;
-static int do_loop = FALSE, do_print = FALSE;
-static int do_check = FALSE, do_line = FALSE;
-static int do_split = FALSE;
+ th->parse_in_eval = prev_parse_in_eval;
+}
-static char *script;
+static rb_env_t*
+toplevel_context(VALUE toplevel_binding)
+{
+ rb_env_t *env;
+ rb_binding_t *bind;
+
+ GetBindingPtr(toplevel_binding, bind);
+ GetEnvPtr(bind->env, env);
+ return env;
+}
static void
-proc_options(argcp, argvp)
- int *argcp;
- char ***argvp;
-{
- int argc = *argcp;
- char **argv = *argvp;
- extern VALUE rb_load_path;
- extern char *optarg;
- extern int optind;
- int c, i, j, script_given, do_search, opt_index;
- extern VALUE RS, ORS, FS;
- char *src;
-
- if (argc == 0) return;
-
- version = FALSE;
- script_given = FALSE;
- do_search = FALSE;
-
- optind = 0;
- while ((c = getopt_long(argc, argv, "+acC:de:F:i:I:lnpR:svxX:yS",
- long_options, &opt_index)) != EOF) {
- switch (c) {
+process_sflag(int *sflag)
+{
+ if (*sflag > 0) {
+ long n;
+ const VALUE *args;
+ VALUE argv = rb_argv;
+
+ n = RARRAY_LEN(argv);
+ args = RARRAY_CONST_PTR(argv);
+ while (n > 0) {
+ VALUE v = *args++;
+ char *s = StringValuePtr(v);
+ char *p;
+ int hyphen = FALSE;
+
+ if (s[0] != '-')
+ break;
+ n--;
+ if (s[1] == '-' && s[2] == '\0')
+ break;
+
+ v = Qtrue;
+ /* check if valid name before replacing - with _ */
+ for (p = s + 1; *p; p++) {
+ if (*p == '=') {
+ *p++ = '\0';
+ v = rb_str_new2(p);
+ break;
+ }
+ if (*p == '-') {
+ hyphen = TRUE;
+ }
+ else if (*p != '_' && !ISALNUM(*p)) {
+ VALUE name_error[2];
+ name_error[0] =
+ rb_str_new2("invalid name for global variable - ");
+ if (!(p = strchr(p, '='))) {
+ rb_str_cat2(name_error[0], s);
+ }
+ else {
+ 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));
+ }
+ }
+ s[0] = '$';
+ if (hyphen) {
+ for (p = s + 1; *p; ++p) {
+ if (*p == '-')
+ *p = '_';
+ }
+ }
+ rb_gv_set(s, v);
+ }
+ n = RARRAY_LEN(argv) - n;
+ while (n--) {
+ rb_ary_shift(argv);
+ }
+ *sflag = -1;
+ }
+}
+
+static long proc_options(long argc, char **argv, struct cmdline_options *opt, int envopt);
+
+static void
+moreswitches(const char *s, struct cmdline_options *opt, int envopt)
+{
+ long argc, i, len;
+ char **argv, *p;
+ const char *ap = 0;
+ VALUE argstr, argary;
+
+ while (ISSPACE(*s)) s++;
+ if (!*s) return;
+ argstr = rb_str_tmp_new((len = strlen(s)) + 2);
+ argary = rb_str_tmp_new(0);
+
+ p = RSTRING_PTR(argstr);
+ *p++ = ' ';
+ memcpy(p, s, len + 1);
+ ap = 0;
+ rb_str_cat(argary, (char *)&ap, sizeof(ap));
+ while (*p) {
+ ap = p;
+ rb_str_cat(argary, (char *)&ap, sizeof(ap));
+ while (*p && !ISSPACE(*p)) ++p;
+ if (!*p) break;
+ *p++ = '\0';
+ while (ISSPACE(*p)) ++p;
+ }
+ argc = RSTRING_LEN(argary) / sizeof(ap);
+ ap = 0;
+ rb_str_cat(argary, (char *)&ap, sizeof(ap));
+ argv = (char **)RSTRING_PTR(argary);
+
+ while ((i = proc_options(argc, argv, opt, envopt)) > 1 && (argc -= i) > 0) {
+ argv += i;
+ if (**argv != '-') {
+ *--*argv = '-';
+ }
+ if ((*argv)[1]) {
+ ++argc;
+ --argv;
+ }
+ }
+
+ /* get rid of GC */
+ rb_str_resize(argary, 0);
+ rb_str_resize(argstr, 0);
+}
+
+static int
+name_match_p(const char *name, const char *str, size_t len)
+{
+ if (len == 0) return 0;
+ do {
+ while (TOLOWER(*str) == *name) {
+ if (!--len || !*++str) return 1;
+ ++name;
+ }
+ if (*str != '-' && *str != '_') return 0;
+ while (ISALNUM(*name)) name++;
+ if (*name != '-' && *name != '_') return 0;
+ ++name;
+ ++str;
+ } while (len > 0);
+ return !*name;
+}
+
+#define NAME_MATCH_P(name, str, len) \
+ ((len) < (int)sizeof(name) && name_match_p((name), (str), (len)))
+
+#define UNSET_WHEN(name, bit, str, len) \
+ if (NAME_MATCH_P((name), (str), (len))) { \
+ *(unsigned int *)arg &= ~(bit); \
+ return; \
+ }
+
+#define SET_WHEN(name, bit, str, len) \
+ if (NAME_MATCH_P((name), (str), (len))) { \
+ *(unsigned int *)arg |= (bit); \
+ return; \
+ }
+
+static void
+feature_option(const char *str, int len, void *arg, const unsigned int enable)
+{
+ unsigned int *argp = arg;
+ unsigned int mask = ~0U;
+#define SET_FEATURE(bit) \
+ if (NAME_MATCH_P(#bit, str, len)) {mask = FEATURE_BIT(bit); goto found;}
+ SET_FEATURE(gems);
+ SET_FEATURE(did_you_mean);
+ SET_FEATURE(rubyopt);
+ SET_FEATURE(frozen_string_literal);
+ if (NAME_MATCH_P("all", str, len)) {
+ found:
+ *argp = (*argp & ~mask) | (mask & enable);
+ return;
+ }
+ rb_warn("unknown argument for --%s: `%.*s'",
+ enable ? "enable" : "disable", len, str);
+}
+
+static void
+enable_option(const char *str, int len, void *arg)
+{
+ feature_option(str, len, arg, ~0U);
+}
+
+static void
+disable_option(const char *str, int len, void *arg)
+{
+ feature_option(str, len, arg, 0U);
+}
+
+static void
+debug_option(const char *str, int len, void *arg)
+{
+#define SET_WHEN_DEBUG(t, bit) SET_WHEN(#bit, t##_BIT(bit), str, len)
+ SET_WHEN_DEBUG(DEBUG, frozen_string_literal);
+ rb_warn("unknown argument for --debug: `%.*s'", len, str);
+}
+
+static void
+dump_option(const char *str, int len, void *arg)
+{
+#define SET_WHEN_DUMP(bit) SET_WHEN(#bit, DUMP_BIT(bit), str, len)
+ SET_WHEN_DUMP(version);
+ SET_WHEN_DUMP(copyright);
+ SET_WHEN_DUMP(usage);
+ SET_WHEN_DUMP(help);
+ SET_WHEN_DUMP(yydebug);
+ SET_WHEN_DUMP(syntax);
+ SET_WHEN_DUMP(parsetree);
+ SET_WHEN_DUMP(parsetree_with_comment);
+ SET_WHEN_DUMP(insns);
+ rb_warn("don't know how to dump `%.*s',", len, str);
+ rb_warn("but only [version, copyright, usage, yydebug, syntax, parsetree, parsetree_with_comment, insns].");
+}
+
+static void
+set_option_encoding_once(const char *type, VALUE *name, const char *e, long elen)
+{
+ VALUE ename;
+
+ if (!elen) elen = strlen(e);
+ ename = rb_str_new(e, elen);
+
+ if (*name &&
+ rb_funcall(ename, rb_intern("casecmp"), 1, *name) != INT2FIX(0)) {
+ rb_raise(rb_eRuntimeError,
+ "%s already set to %"PRIsVALUE, type, *name);
+ }
+ *name = ename;
+}
+
+#define set_internal_encoding_once(opt, e, elen) \
+ set_option_encoding_once("default_internal", &(opt)->intern.enc.name, (e), (elen))
+#define set_external_encoding_once(opt, e, elen) \
+ set_option_encoding_once("default_external", &(opt)->ext.enc.name, (e), (elen))
+#define set_source_encoding_once(opt, e, elen) \
+ set_option_encoding_once("source", &(opt)->src.enc.name, (e), (elen))
+
+static long
+proc_options(long argc, char **argv, struct cmdline_options *opt, int envopt)
+{
+ long n, argc0 = argc;
+ const char *s;
+
+ if (argc == 0)
+ return 0;
+
+ for (argc--, argv++; argc > 0; argc--, argv++) {
+ const char *const arg = argv[0];
+ if (!arg || arg[0] != '-' || !arg[1])
+ break;
+
+ s = arg + 1;
+ reswitch:
+ switch (*s) {
+ case 'a':
+ if (envopt) goto noenvopt;
+ opt->do_split = TRUE;
+ s++;
+ goto reswitch;
+
case 'p':
- do_print = TRUE;
+ if (envopt) goto noenvopt;
+ opt->do_print = TRUE;
/* through */
case 'n':
- do_loop = TRUE;
- break;
+ if (envopt) goto noenvopt;
+ opt->do_loop = TRUE;
+ s++;
+ goto reswitch;
case 'd':
- debug = TRUE;
- break;
+ ruby_debug = Qtrue;
+ ruby_verbose = Qtrue;
+ s++;
+ goto reswitch;
case 'y':
- yydebug = 1;
- break;
+ if (envopt) goto noenvopt;
+ opt->dump |= DUMP_BIT(yydebug);
+ s++;
+ goto reswitch;
case 'v':
- verbose = TRUE;
- show_version();
- break;
+ if (opt->verbose) {
+ s++;
+ goto reswitch;
+ }
+ opt->dump |= DUMP_BIT(version_v);
+ opt->verbose = 1;
+ case 'w':
+ ruby_verbose = Qtrue;
+ s++;
+ goto reswitch;
+
+ case 'W':
+ {
+ size_t numlen;
+ int v = 2; /* -W as -W2 */
+
+ if (*++s) {
+ v = scan_oct(s, 1, &numlen);
+ if (numlen == 0)
+ v = 1;
+ s += numlen;
+ }
+ switch (v) {
+ case 0:
+ ruby_verbose = Qnil;
+ break;
+ case 1:
+ ruby_verbose = Qfalse;
+ break;
+ default:
+ ruby_verbose = Qtrue;
+ break;
+ }
+ }
+ goto reswitch;
+
+ case 'c':
+ if (envopt) goto noenvopt;
+ opt->dump |= DUMP_BIT(syntax);
+ s++;
+ goto reswitch;
+
+ case 's':
+ if (envopt) goto noenvopt;
+ forbid_setid("-s");
+ if (!opt->sflag) opt->sflag = 1;
+ s++;
+ goto reswitch;
+
+ case 'h':
+ if (envopt) goto noenvopt;
+ opt->dump |= DUMP_BIT(usage);
+ goto switch_end;
+
+ case 'l':
+ if (envopt) goto noenvopt;
+ opt->do_line = TRUE;
+ rb_output_rs = rb_rs;
+ s++;
+ goto reswitch;
+
+ case 'S':
+ if (envopt) goto noenvopt;
+ forbid_setid("-S");
+ opt->do_search = TRUE;
+ s++;
+ goto reswitch;
case 'e':
- script_given++;
- if (script == 0) script = "-e";
- lex_setsrc("-e", optarg, strlen(optarg));
- yyparse();
+ if (envopt) goto noenvopt;
+ forbid_setid("-e");
+ if (!*++s) {
+ if (!--argc)
+ rb_raise(rb_eRuntimeError, "no code specified for -e");
+ s = *++argv;
+ }
+ if (!opt->e_script) {
+ opt->e_script = rb_str_new(0, 0);
+ if (opt->script == 0)
+ opt->script = "-e";
+ }
+ rb_str_cat2(opt->e_script, s);
+ rb_str_cat2(opt->e_script, "\n");
break;
- case 'i':
- inplace = strdup(optarg);
+ case 'r':
+ forbid_setid("-r");
+ if (*++s) {
+ add_modules(&opt->req_list, s);
+ }
+ else if (argc > 1) {
+ add_modules(&opt->req_list, argv[1]);
+ argc--, argv++;
+ }
break;
- case 'c':
- do_check = TRUE;
+ case 'i':
+ if (envopt) goto noenvopt;
+ forbid_setid("-i");
+ ruby_set_inplace_mode(s + 1);
break;
case 'x':
- xflag = TRUE;
+ if (envopt) goto noenvopt;
+ opt->xflag = TRUE;
+ s++;
+ if (*s && chdir(s) < 0) {
+ rb_fatal("Can't chdir to %s", s);
+ }
break;
+ case 'C':
case 'X':
- if (chdir(optarg) < 0)
- Fatal("Can't chdir to %s", optarg);
+ if (envopt) goto noenvopt;
+ if (!*++s && (!--argc || !(s = *++argv) || !*s)) {
+ rb_fatal("Can't chdir");
+ }
+ if (chdir(s) < 0) {
+ rb_fatal("Can't chdir to %s", s);
+ }
break;
- case 's':
- sflag = TRUE;
+ case 'F':
+ if (envopt) goto noenvopt;
+ if (*++s) {
+ rb_fs = rb_reg_new(s, strlen(s), 0);
+ }
break;
- case 'l':
- do_line = TRUE;
- ORS = RS;
- break;
+ case 'E':
+ if (!*++s && (!--argc || !(s = *++argv))) {
+ rb_raise(rb_eRuntimeError, "missing argument for -E");
+ }
+ goto encoding;
+
+ case 'U':
+ set_internal_encoding_once(opt, "UTF-8", 0);
+ ++s;
+ goto reswitch;
+
+ case 'K':
+ if (*++s) {
+ const char *enc_name = 0;
+ switch (*s) {
+ case 'E': case 'e':
+ enc_name = "EUC-JP";
+ break;
+ case 'S': case 's':
+ enc_name = "Windows-31J";
+ break;
+ case 'U': case 'u':
+ enc_name = "UTF-8";
+ break;
+ case 'N': case 'n': case 'A': case 'a':
+ enc_name = "ASCII-8BIT";
+ break;
+ }
+ if (enc_name) {
+ opt->src.enc.name = rb_str_new2(enc_name);
+ if (!opt->ext.enc.name)
+ opt->ext.enc.name = opt->src.enc.name;
+ }
+ s++;
+ }
+ goto reswitch;
- case 'R':
+ case 'T':
{
- char *p = optarg;
-
- while (*p) {
- if (*p < '0' || '7' < *p) {
- break;
- }
- p++;
+ size_t numlen;
+ int v = 1;
+
+ if (*++s) {
+ v = scan_oct(s, 2, &numlen);
+ if (numlen == 0)
+ v = 1;
+ s += numlen;
}
- if (*p) {
- RS = str_new2(optarg);
+ if (v > opt->safe_level) opt->safe_level = v;
+ }
+ goto reswitch;
+
+ case 'I':
+ forbid_setid("-I");
+ if (*++s)
+ ruby_incpush_expand(s);
+ else if (argc > 1) {
+ ruby_incpush_expand(argv[1]);
+ argc--, argv++;
+ }
+ break;
+
+ case '0':
+ if (envopt) goto noenvopt;
+ {
+ size_t numlen;
+ int v;
+ char c;
+
+ v = scan_oct(s, 4, &numlen);
+ s += numlen;
+ if (v > 0377)
+ rb_rs = Qnil;
+ else if (v == 0 && numlen >= 2) {
+ rb_rs = rb_str_new2("\n\n");
}
else {
- int i = strtoul(optarg, Qnil, 8);
-
- if (i == 0) RS = str_new(0, 0);
- else if (i > 0xff) RS = Qnil;
- else {
- char c = i;
- RS = str_new(&c, 1);
- }
+ c = v & 0xff;
+ rb_rs = rb_str_new(&c, 1);
}
}
- break;
+ goto reswitch;
- case 'F':
- FS = str_new2(optarg);
+ case '-':
+ if (!s[1] || (s[1] == '\r' && !s[2])) {
+ argc--, argv++;
+ goto switch_end;
+ }
+ s++;
+
+# define is_option_end(c, allow_hyphen) \
+ (!(c) || ((allow_hyphen) && (c) == '-') || (c) == '=')
+# define check_envopt(name, allow_envopt) \
+ (((allow_envopt) || !envopt) ? (void)0 : \
+ rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: --" name))
+# define need_argument(name, s, needs_arg, next_arg) \
+ ((*(s) ? !*++(s) : (next_arg) && (!argc || !((s) = argv[1]) || (--argc, ++argv, 0))) && (needs_arg) ? \
+ rb_raise(rb_eRuntimeError, "missing argument for --" name) \
+ : (void)0)
+# define is_option_with_arg(name, allow_hyphen, allow_envopt) \
+ is_option_with_optarg(name, allow_hyphen, allow_envopt, Qtrue, Qtrue)
+# define is_option_with_optarg(name, allow_hyphen, allow_envopt, needs_arg, next_arg) \
+ (strncmp((name), s, n = sizeof(name) - 1) == 0 && is_option_end(s[n], (allow_hyphen)) ? \
+ (check_envopt(name, (allow_envopt)), s += n, \
+ need_argument(name, s, needs_arg, next_arg), 1) : 0)
+
+ if (strcmp("copyright", s) == 0) {
+ if (envopt) goto noenvopt_long;
+ opt->dump |= DUMP_BIT(copyright);
+ }
+ else if (is_option_with_optarg("debug", Qtrue, Qtrue, Qfalse, Qfalse)) {
+ if (s && *s) {
+ ruby_each_words(s, debug_option, &opt->features);
+ }
+ else {
+ ruby_debug = Qtrue;
+ ruby_verbose = Qtrue;
+ }
+ }
+ else if (is_option_with_arg("enable", Qtrue, Qtrue)) {
+ ruby_each_words(s, enable_option, &opt->features);
+ }
+ else if (is_option_with_arg("disable", Qtrue, Qtrue)) {
+ ruby_each_words(s, disable_option, &opt->features);
+ }
+ else if (is_option_with_arg("encoding", Qfalse, Qtrue)) {
+ char *p;
+ encoding:
+ do {
+# define set_encoding_part(type) \
+ if (!(p = strchr(s, ':'))) { \
+ set_##type##_encoding_once(opt, s, 0); \
+ break; \
+ } \
+ else if (p > s) { \
+ set_##type##_encoding_once(opt, s, p-s); \
+ }
+ set_encoding_part(external);
+ if (!*(s = ++p)) break;
+ set_encoding_part(internal);
+ if (!*(s = ++p)) break;
+#if defined ALLOW_DEFAULT_SOURCE_ENCODING && ALLOW_DEFAULT_SOURCE_ENCODING
+ set_encoding_part(source);
+ if (!*(s = ++p)) break;
+#endif
+ rb_raise(rb_eRuntimeError, "extra argument for %s: %s",
+ (arg[1] == '-' ? "--encoding" : "-E"), s);
+# undef set_encoding_part
+ } while (0);
+ }
+ else if (is_option_with_arg("internal-encoding", Qfalse, Qtrue)) {
+ set_internal_encoding_once(opt, s, 0);
+ }
+ else if (is_option_with_arg("external-encoding", Qfalse, Qtrue)) {
+ set_external_encoding_once(opt, s, 0);
+ }
+#if defined ALLOW_DEFAULT_SOURCE_ENCODING && ALLOW_DEFAULT_SOURCE_ENCODING
+ else if (is_option_with_arg("source-encoding", Qfalse, Qtrue)) {
+ set_source_encoding_once(opt, s, 0);
+ }
+#endif
+ else if (strcmp("version", s) == 0) {
+ if (envopt) goto noenvopt_long;
+ opt->dump |= DUMP_BIT(version);
+ }
+ else if (strcmp("verbose", s) == 0) {
+ opt->verbose = 1;
+ ruby_verbose = Qtrue;
+ }
+ else if (strcmp("yydebug", s) == 0) {
+ if (envopt) goto noenvopt_long;
+ opt->dump |= DUMP_BIT(yydebug);
+ }
+ else if (is_option_with_arg("dump", Qfalse, Qfalse)) {
+ ruby_each_words(s, dump_option, &opt->dump);
+ }
+ else if (strcmp("help", s) == 0) {
+ if (envopt) goto noenvopt_long;
+ opt->dump |= DUMP_BIT(help);
+ goto switch_end;
+ }
+ else {
+ rb_raise(rb_eRuntimeError,
+ "invalid option --%s (-h will show valid options)", s);
+ }
break;
- case 'a':
- do_split = TRUE;
- break;
+ case '\r':
+ if (!s[1])
+ break;
- case 'C':
- rb_set_kanjicode(optarg);
- break;
+ default:
+ {
+ if (ISPRINT(*s)) {
+ rb_raise(rb_eRuntimeError,
+ "invalid option -%c (-h will show valid options)",
+ (int)(unsigned char)*s);
+ }
+ else {
+ rb_raise(rb_eRuntimeError,
+ "invalid option -\\x%02X (-h will show valid options)",
+ (int)(unsigned char)*s);
+ }
+ }
+ goto switch_end;
- case 'S':
- do_search = TRUE;
+ noenvopt:
+ /* "EIdvwWrKU" only */
+ rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: -%c", *s);
break;
- case 'I':
- ary_unshift(rb_load_path, str_new2(optarg));
+ noenvopt_long:
+ rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: --%s", s);
break;
- default:
+ case 0:
break;
+# undef is_option_end
+# undef check_envopt
+# undef need_argument
+# undef is_option_with_arg
+# undef is_option_with_optarg
}
}
- if (version) {
- show_version();
- exit(0);
+ switch_end:
+ return argc0 - argc;
+}
+
+static void
+ruby_init_prelude(void)
+{
+ Init_prelude();
+ rb_const_remove(rb_cObject, rb_intern_const("TMP_RUBY_PREFIX"));
+}
+
+static int
+opt_enc_index(VALUE enc_name)
+{
+ const char *s = RSTRING_PTR(enc_name);
+ int i = rb_enc_find_index(s);
+
+ if (i < 0) {
+ rb_raise(rb_eRuntimeError, "unknown encoding name - %s", s);
}
- if (copyright) {
- show_copyright();
+ else if (rb_enc_dummy_p(rb_enc_from_index(i))) {
+ rb_raise(rb_eRuntimeError, "dummy encoding is not acceptable - %s ", s);
}
+ return i;
+}
+
+#define rb_progname (GET_VM()->progname)
+#define rb_orig_progname (GET_VM()->orig_progname)
+VALUE rb_argv0;
+
+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)
+
+static VALUE
+uscore_get(void)
+{
+ VALUE line;
+
+ line = rb_lastline_get();
+ if (!RB_TYPE_P(line, T_STRING)) {
+ rb_raise(rb_eTypeError, "$_ value need to be String (%s given)",
+ NIL_P(line) ? "nil" : rb_obj_classname(line));
+ }
+ return line;
+}
- if (argv[0] == Qnil) return;
+/*
+ * call-seq:
+ * sub(pattern, replacement) -> $_
+ * sub(pattern) {|...| block } -> $_
+ *
+ * Equivalent to <code>$_.sub(<i>args</i>)</code>, except that
+ * <code>$_</code> will be updated if substitution occurs.
+ * Available only when -p/-n command line option specified.
+ */
- if (script_given == 0) {
- if (argc == optind) { /* no more args */
- if (verbose) exit(0);
- script = "-";
- load_stdin();
+static VALUE
+rb_f_sub(int argc, VALUE *argv)
+{
+ VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("sub"), argc, argv);
+ rb_lastline_set(str);
+ return str;
+}
+
+/*
+ * call-seq:
+ * gsub(pattern, replacement) -> $_
+ * gsub(pattern) {|...| block } -> $_
+ *
+ * Equivalent to <code>$_.gsub...</code>, except that <code>$_</code>
+ * will be updated if substitution occurs.
+ * Available only when -p/-n command line option specified.
+ *
+ */
+
+static VALUE
+rb_f_gsub(int argc, VALUE *argv)
+{
+ VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("gsub"), argc, argv);
+ rb_lastline_set(str);
+ return str;
+}
+
+/*
+ * call-seq:
+ * chop -> $_
+ *
+ * Equivalent to <code>($_.dup).chop!</code>, except <code>nil</code>
+ * is never returned. See <code>String#chop!</code>.
+ * Available only when -p/-n command line option specified.
+ *
+ */
+
+static VALUE
+rb_f_chop(void)
+{
+ VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("chop"), 0, 0);
+ rb_lastline_set(str);
+ return str;
+}
+
+
+/*
+ * call-seq:
+ * chomp -> $_
+ * chomp(string) -> $_
+ *
+ * Equivalent to <code>$_ = $_.chomp(<em>string</em>)</code>. See
+ * <code>String#chomp</code>.
+ * Available only when -p/-n command line option specified.
+ *
+ */
+
+static VALUE
+rb_f_chomp(int argc, VALUE *argv)
+{
+ VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("chomp"), argc, argv);
+ rb_lastline_set(str);
+ return str;
+}
+
+static VALUE
+process_options(int argc, char **argv, struct cmdline_options *opt)
+{
+ NODE *tree = 0;
+ VALUE parser;
+ const rb_iseq_t *iseq;
+ rb_encoding *enc, *lenc;
+#if UTF8_PATH
+ rb_encoding *uenc, *ienc = 0;
+#endif
+ const char *s;
+ char fbuf[MAXPATHLEN];
+ int i = (int)proc_options(argc, argv, opt, 0);
+ rb_thread_t *th = GET_THREAD();
+ VALUE toplevel_binding = Qundef;
+
+ argc -= i;
+ argv += i;
+
+ if (opt->dump & (DUMP_BIT(usage)|DUMP_BIT(help))) {
+ usage(origarg.argv[0], (opt->dump & DUMP_BIT(help)));
+ return Qtrue;
+ }
+
+ if ((opt->features & FEATURE_BIT(rubyopt)) &&
+ opt->safe_level == 0 && (s = getenv("RUBYOPT"))) {
+ VALUE src_enc_name = opt->src.enc.name;
+ VALUE ext_enc_name = opt->ext.enc.name;
+ VALUE int_enc_name = opt->intern.enc.name;
+
+ opt->src.enc.name = opt->ext.enc.name = opt->intern.enc.name = 0;
+ moreswitches(s, opt, 1);
+ if (src_enc_name)
+ opt->src.enc.name = src_enc_name;
+ if (ext_enc_name)
+ opt->ext.enc.name = ext_enc_name;
+ if (int_enc_name)
+ opt->intern.enc.name = int_enc_name;
+ }
+
+ if (opt->src.enc.name)
+ rb_warning("-K is specified; it is for 1.8 compatibility and may cause odd behavior");
+
+ if (opt->dump & (DUMP_BIT(version) | DUMP_BIT(version_v))) {
+ ruby_show_version();
+ if (opt->dump & DUMP_BIT(version)) return Qtrue;
+ }
+ if (opt->dump & DUMP_BIT(copyright)) {
+ ruby_show_copyright();
+ }
+
+ if (!opt->e_script) {
+ if (argc == 0) { /* no more args */
+ if (opt->verbose)
+ return Qtrue;
+ opt->script = "-";
}
else {
- script = argv[optind];
- if (do_search) {
- script = dln_find_file(script, getenv("PATH"));
- if (!script) script = argv[optind];
+ opt->script = argv[0];
+ if (!opt->script || opt->script[0] == '\0') {
+ opt->script = "-";
+ }
+ else if (opt->do_search) {
+ char *path = getenv("RUBYPATH");
+
+ opt->script = 0;
+ if (path) {
+ opt->script = dln_find_file_r(argv[0], path, fbuf, sizeof(fbuf));
+ }
+ if (!opt->script) {
+ opt->script = dln_find_file_r(argv[0], getenv(PATH_ENV), fbuf, sizeof(fbuf));
+ }
+ if (!opt->script)
+ opt->script = argv[0];
}
- rb_load_file(script);
- optind++;
+ argc--;
+ argv++;
}
}
- xflag = FALSE;
- *argvp += optind;
- *argcp -= optind;
+ opt->script_name = rb_str_new_cstr(opt->script);
+ opt->script = RSTRING_PTR(opt->script_name);
- if (sflag) {
- char *s;
+#if _WIN32
+ translit_char_bin(RSTRING_PTR(opt->script_name), '\\', '/');
+#elif defined DOSISH
+ translit_char(RSTRING_PTR(opt->script_name), '\\', '/');
+#endif
- argc = *argcp; argv = *argvp;
- for (; argc > 0 && argv[0][0] == '-'; argc--,argv++) {
- if (argv[0][1] == '-') {
- argc--,argv++;
- break;
+ ruby_gc_set_params(opt->safe_level);
+ ruby_init_loadpath_safe(opt->safe_level);
+ Init_enc();
+ lenc = rb_locale_encoding();
+ rb_enc_associate(rb_progname, lenc);
+ rb_obj_freeze(rb_progname);
+ parser = rb_parser_new();
+ if (opt->dump & DUMP_BIT(yydebug)) {
+ rb_parser_set_yydebug(parser, Qtrue);
+ }
+ if (opt->ext.enc.name != 0) {
+ opt->ext.enc.index = opt_enc_index(opt->ext.enc.name);
+ }
+ if (opt->intern.enc.name != 0) {
+ opt->intern.enc.index = opt_enc_index(opt->intern.enc.name);
+ }
+ if (opt->src.enc.name != 0) {
+ opt->src.enc.index = opt_enc_index(opt->src.enc.name);
+ src_encoding_index = opt->src.enc.index;
+ }
+ if (opt->ext.enc.index >= 0) {
+ enc = rb_enc_from_index(opt->ext.enc.index);
+ }
+ else {
+ enc = lenc;
+ }
+ rb_enc_set_default_external(rb_enc_from_encoding(enc));
+ if (opt->intern.enc.index >= 0) {
+ enc = rb_enc_from_index(opt->intern.enc.index);
+ rb_enc_set_default_internal(rb_enc_from_encoding(enc));
+ opt->intern.enc.index = -1;
+#if UTF8_PATH
+ ienc = enc;
+#endif
+ }
+ rb_enc_associate(opt->script_name, lenc);
+ rb_obj_freeze(opt->script_name);
+ {
+ long i;
+ VALUE load_path = GET_VM()->load_path;
+ const ID id_initial_load_path_mark = INITIAL_LOAD_PATH_MARK;
+ for (i = 0; i < RARRAY_LEN(load_path); ++i) {
+ VALUE path = RARRAY_AREF(load_path, i);
+ int mark = rb_attr_get(path, id_initial_load_path_mark) == path;
+ path = rb_enc_associate(rb_str_dup(path), lenc);
+ if (mark) rb_ivar_set(path, id_initial_load_path_mark, path);
+ RARRAY_ASET(load_path, i, path);
+ }
+ }
+ Init_ext(); /* load statically linked extensions before rubygems */
+ if (opt->features & FEATURE_BIT(gems)) {
+ rb_define_module("Gem");
+ }
+ if (opt->features & FEATURE_BIT(did_you_mean)) {
+ rb_define_module("DidYouMean");
+ }
+ ruby_init_prelude();
+ if ((opt->features ^ DEFAULT_FEATURES) & COMPILATION_FEATURES) {
+ VALUE option = rb_hash_new();
+#define SET_COMPILE_OPTION(h, o, name) \
+ rb_hash_aset((h), ID2SYM(rb_intern_const(#name)), \
+ ((o)->features & FEATURE_BIT(name) ? Qtrue : Qfalse));
+ SET_COMPILE_OPTION(option, opt, frozen_string_literal);
+ SET_COMPILE_OPTION(option, opt, debug_frozen_string_literal);
+ rb_funcallv(rb_cISeq, rb_intern_const("compile_option="), 1, &option);
+#undef SET_COMPILE_OPTION
+ }
+#if UTF8_PATH
+ uenc = rb_utf8_encoding();
+ if (uenc != lenc) {
+ opt->script_name = str_conv_enc(opt->script_name, uenc, lenc);
+ opt->script = RSTRING_PTR(opt->script_name);
+ }
+#endif
+ ruby_set_argv(argc, argv);
+ process_sflag(&opt->sflag);
+
+ toplevel_binding = rb_const_get(rb_cObject, rb_intern("TOPLEVEL_BINDING"));
+
+#define PREPARE_PARSE_MAIN(expr) do { \
+ rb_env_t *env = toplevel_context(toplevel_binding); \
+ th->parse_in_eval--; \
+ th->base_block = &env->block; \
+ expr; \
+ th->parse_in_eval++; \
+ th->base_block = 0; \
+} while (0)
+
+ if (opt->e_script) {
+ VALUE progname = rb_progname;
+ rb_encoding *eenc;
+ if (opt->src.enc.index >= 0) {
+ eenc = rb_enc_from_index(opt->src.enc.index);
+ }
+ else {
+ eenc = lenc;
+#if UTF8_PATH
+ if (ienc) eenc = ienc;
+#endif
+ }
+#if UTF8_PATH
+ if (eenc != uenc) {
+ opt->e_script = str_conv_enc(opt->e_script, uenc, eenc);
+ }
+#endif
+ rb_enc_associate(opt->e_script, eenc);
+ if (!(opt->dump & ~DUMP_BIT(version_v))) {
+ ruby_set_script_name(opt->script_name);
+ require_libraries(&opt->req_list);
+ }
+ ruby_set_script_name(progname);
+
+ PREPARE_PARSE_MAIN({
+ tree = rb_parser_compile_string(parser, opt->script, opt->e_script, 1);
+ });
+ }
+ else {
+ if (opt->script[0] == '-' && !opt->script[1]) {
+ forbid_setid("program input from stdin");
+ }
+
+ PREPARE_PARSE_MAIN({
+ tree = load_file(parser, opt->script_name, 1, opt);
+ });
+ }
+ ruby_set_script_name(opt->script_name);
+ if (opt->dump & DUMP_BIT(yydebug)) return Qtrue;
+
+ if (opt->ext.enc.index >= 0) {
+ enc = rb_enc_from_index(opt->ext.enc.index);
+ }
+ else {
+ enc = lenc;
+ }
+ rb_enc_set_default_external(rb_enc_from_encoding(enc));
+ if (opt->intern.enc.index >= 0) {
+ /* Set in the shebang line */
+ enc = rb_enc_from_index(opt->intern.enc.index);
+ rb_enc_set_default_internal(rb_enc_from_encoding(enc));
+ }
+ else if (!rb_default_internal_encoding())
+ /* Freeze default_internal */
+ rb_enc_set_default_internal(Qnil);
+ rb_stdio_set_default_encoding();
+
+ if (!tree) return Qfalse;
+
+ process_sflag(&opt->sflag);
+ opt->xflag = 0;
+
+ if (opt->dump & DUMP_BIT(syntax)) {
+ printf("Syntax OK\n");
+ return Qtrue;
+ }
+
+ if (opt->do_print) {
+ PREPARE_PARSE_MAIN({
+ tree = rb_parser_append_print(parser, tree);
+ });
+ }
+ if (opt->do_loop) {
+ PREPARE_PARSE_MAIN({
+ tree = rb_parser_while_loop(parser, tree, opt->do_line, opt->do_split);
+ });
+ rb_define_global_function("sub", rb_f_sub, -1);
+ rb_define_global_function("gsub", rb_f_gsub, -1);
+ rb_define_global_function("chop", rb_f_chop, 0);
+ rb_define_global_function("chomp", rb_f_chomp, -1);
+ }
+
+ if (opt->dump & DUMP_BIT(parsetree) || opt->dump & DUMP_BIT(parsetree_with_comment)) {
+ rb_io_write(rb_stdout, rb_parser_dump_tree(tree, opt->dump & DUMP_BIT(parsetree_with_comment)));
+ rb_io_flush(rb_stdout);
+ return Qtrue;
+ }
+
+ PREPARE_PARSE_MAIN({
+ VALUE path = Qnil;
+ if (!opt->e_script && strcmp(opt->script, "-")) {
+ path = rb_realpath_internal(Qnil, opt->script_name, 1);
+ }
+ iseq = rb_iseq_new_main(tree, opt->script_name, path);
+ });
+
+ if (opt->dump & DUMP_BIT(insns)) {
+ rb_io_write(rb_stdout, rb_iseq_disasm((const rb_iseq_t *)iseq));
+ rb_io_flush(rb_stdout);
+ return Qtrue;
+ }
+
+ rb_define_readonly_boolean("$-p", opt->do_print);
+ rb_define_readonly_boolean("$-l", opt->do_line);
+ rb_define_readonly_boolean("$-a", opt->do_split);
+
+ rb_set_safe_level(opt->safe_level);
+
+ return (VALUE)iseq;
+}
+
+struct load_file_arg {
+ VALUE parser;
+ VALUE fname;
+ int script;
+ int xflag;
+ struct cmdline_options *opt;
+ VALUE f;
+ VALUE lineno;
+};
+
+static VALUE
+load_file_internal(VALUE argp_v)
+{
+ struct load_file_arg *argp = (struct load_file_arg *)argp_v;
+ VALUE parser = argp->parser;
+ VALUE orig_fname = argp->fname;
+ int script = argp->script;
+ struct cmdline_options *opt = argp->opt;
+ VALUE f = argp->f;
+ int line_start = 1;
+ NODE *tree = 0;
+ rb_encoding *enc;
+ ID set_encoding;
+ int xflag = argp->xflag;
+
+ argp->script = 0;
+ CONST_ID(set_encoding, "set_encoding");
+ if (script) {
+ VALUE c = 1; /* something not nil */
+ VALUE line;
+ char *p;
+ int no_src_enc = !opt->src.enc.name;
+ int no_ext_enc = !opt->ext.enc.name;
+ int no_int_enc = !opt->intern.enc.name;
+
+ enc = rb_ascii8bit_encoding();
+ rb_funcall(f, set_encoding, 1, rb_enc_from_encoding(enc));
+
+ if (xflag || opt->xflag) {
+ line_start--;
+ search_shebang:
+ forbid_setid("-x");
+ opt->xflag = FALSE;
+ while (!NIL_P(line = rb_io_gets(f))) {
+ line_start++;
+ if (RSTRING_LEN(line) > 2
+ && RSTRING_PTR(line)[0] == '#'
+ && RSTRING_PTR(line)[1] == '!') {
+ if ((p = strstr(RSTRING_PTR(line), ruby_engine)) != 0) {
+ goto start_read;
+ }
+ }
}
- argv[0][0] = '$';
- if (s = strchr(argv[0], '=')) {
- *s++ = '\0';
- rb_gvar_set2((*argvp)[0], str_new2(s));
+ rb_loaderror("no Ruby script found in input");
+ }
+
+ c = rb_io_getbyte(f);
+ if (c == INT2FIX('#')) {
+ c = rb_io_getbyte(f);
+ if (c == INT2FIX('!')) {
+ line = rb_io_gets(f);
+ if (NIL_P(line))
+ return 0;
+
+ if ((p = strstr(RSTRING_PTR(line), ruby_engine)) == 0) {
+ /* not ruby script, assume -x flag */
+ goto search_shebang;
+ }
+
+ start_read:
+ p += 4;
+ RSTRING_PTR(line)[RSTRING_LEN(line) - 1] = '\0';
+ if (RSTRING_PTR(line)[RSTRING_LEN(line) - 2] == '\r')
+ RSTRING_PTR(line)[RSTRING_LEN(line) - 2] = '\0';
+ if ((p = strstr(p, " -")) != 0) {
+ moreswitches(p + 1, opt, 0);
+ }
+
+ /* push back shebang for pragma may exist in next line */
+ rb_io_ungetbyte(f, rb_str_new2("!\n"));
}
- else {
- rb_gvar_set2((*argvp)[0], TRUE);
+ else if (!NIL_P(c)) {
+ rb_io_ungetbyte(f, c);
+ }
+ rb_io_ungetbyte(f, INT2FIX('#'));
+ if (no_src_enc && opt->src.enc.name) {
+ opt->src.enc.index = opt_enc_index(opt->src.enc.name);
+ src_encoding_index = opt->src.enc.index;
+ }
+ if (no_ext_enc && opt->ext.enc.name) {
+ opt->ext.enc.index = opt_enc_index(opt->ext.enc.name);
}
+ if (no_int_enc && opt->intern.enc.name) {
+ opt->intern.enc.index = opt_enc_index(opt->intern.enc.name);
+ }
+ }
+ else if (!NIL_P(c)) {
+ rb_io_ungetbyte(f, c);
+ }
+ else {
+ if (f != rb_stdin) rb_io_close(f);
+ f = Qnil;
+ }
+ if (!(opt->dump & ~DUMP_BIT(version_v))) {
+ ruby_set_script_name(opt->script_name);
+ require_libraries(&opt->req_list); /* Why here? unnatural */
}
- *argcp = argc; *argvp = argv;
}
+ if (opt->src.enc.index >= 0) {
+ enc = rb_enc_from_index(opt->src.enc.index);
+ }
+ else if (f == rb_stdin) {
+ enc = rb_locale_encoding();
+ }
+ else {
+ enc = rb_utf8_encoding();
+ }
+ if (NIL_P(f)) {
+ f = rb_str_new(0, 0);
+ rb_enc_associate(f, enc);
+ return (VALUE)rb_parser_compile_string_path(parser, orig_fname, f, line_start);
+ }
+ rb_funcall(f, set_encoding, 2, rb_enc_from_encoding(enc), rb_str_new_cstr("-"));
+ tree = rb_parser_compile_file_path(parser, orig_fname, f, line_start);
+ rb_funcall(f, set_encoding, 1, rb_parser_encoding(parser));
+ if (script && rb_parser_end_seen_p(parser)) argp->script = script;
+ return (VALUE)tree;
}
-static void
-readin(fd, fname)
- int fd;
- char *fname;
-{
- struct stat st;
- char *ptr, *p, *pend;
-
- if (fstat(fd, &st) < 0) rb_sys_fail(fname);
- if (!S_ISREG(st.st_mode))
- Fail("script is not a regular file - %s", fname);
-
- p = ptr = ALLOC_N(char, st.st_size+1);
- if (read(fd, ptr, st.st_size) != st.st_size) {
- free(ptr);
- rb_sys_fail(fname);
- }
- pend = p + st.st_size;
- if (xflag) {
- char *s = p;
-
- *pend = '\0';
- xflag = FALSE;
- while (p < pend) {
- while (s < pend && *s != '\n') s++;
- if (*s != '\n') break;
- *s = '\0';
- if (p[0] == '#' && p[1] == '!' && strstr(p, "ruby")) {
- if (p = strstr(p, "ruby -")) {
- int argc; char *argv[2]; char **argvp = argv;
- argc = 2; argv[0] = Qnil; argv[1] = p + 5;
- proc_options(&argc, &argvp);
- }
- xflag = TRUE;
- p = s + 1;
- goto start_read;
+static VALUE
+open_load_file(VALUE fname_v, int *xflag)
+{
+ const char *fname = StringValueCStr(fname_v);
+ VALUE f;
+ int e;
+
+ if (RSTRING_LEN(fname_v) == 1 && fname[0] == '-') {
+ f = rb_stdin;
+ }
+ else {
+ int fd;
+ /* open(2) may block if fname is point to FIFO and it's empty. Let's
+ use O_NONBLOCK. */
+#if defined O_NONBLOCK && HAVE_FCNTL && !(O_NONBLOCK & O_ACCMODE)
+ /* TODO: fix conflicting O_NONBLOCK in ruby/win32.h */
+# define MODE_TO_LOAD (O_RDONLY | O_NONBLOCK)
+#elif defined O_NDELAY && HAVE_FCNTL && !(O_NDELAY & O_ACCMODE)
+# define MODE_TO_LOAD (O_RDONLY | O_NDELAY)
+#else
+# define MODE_TO_LOAD (O_RDONLY)
+#endif
+ int mode = MODE_TO_LOAD;
+#if defined DOSISH || defined __CYGWIN__
+ {
+ const char *ext = strrchr(fname, '.');
+ if (ext && STRCASECMP(ext, ".exe") == 0) {
+ mode |= O_BINARY;
+ *xflag = 1;
}
- p = s + 1;
}
- free(ptr);
- Fail("No Ruby script found in input");
+#endif
+
+ if ((fd = rb_cloexec_open(fname, mode, 0)) < 0) {
+ rb_load_fail(fname_v, strerror(errno));
+ }
+ rb_update_max_fd(fd);
+
+#if defined HAVE_FCNTL && MODE_TO_LOAD != O_RDONLY
+ /* disabling O_NONBLOCK */
+ if (fcntl(fd, F_SETFL, 0) < 0) {
+ e = errno;
+ (void)close(fd);
+ rb_load_fail(fname_v, strerror(e));
+ }
+#endif
+
+#ifdef S_ISFIFO
+ {
+ struct stat st;
+ if (fstat(fd, &st) != 0) {
+ e = errno;
+ (void)close(fd);
+ rb_load_fail(fname_v, strerror(e));
+ }
+ if (S_ISFIFO(st.st_mode)) {
+ /*
+ We need to wait if FIFO is empty. It's FIFO's semantics.
+ rb_thread_wait_fd() release GVL. So, it's safe.
+ */
+ rb_thread_wait_fd(fd);
+ }
+ }
+#endif
+ if (!ruby_is_fd_loadable(fd)) {
+ e = errno;
+ (void)close(fd);
+ rb_load_fail(fname_v, strerror(e));
+ }
+
+ f = rb_io_fdopen(fd, mode, fname);
}
- start_read:
- lex_setsrc(fname, p, pend - p);
- yyparse();
- free(ptr);
+ return f;
}
-void
-rb_load_file(fname)
- char *fname;
+static VALUE
+restore_load_file(VALUE arg)
{
- int fd;
- char *ptr;
-
- if (fname[0] == '\0') {
- load_stdin();
- return;
+ struct load_file_arg *argp = (struct load_file_arg *)arg;
+ VALUE f = argp->f;
+ VALUE lineno = argp->lineno;
+
+ if (argp->script) {
+ /*
+ * DATA is a File that contains the data section of the executed file.
+ * To create a data section use <tt>__END__</tt>:
+ *
+ * $ cat t.rb
+ * puts DATA.gets
+ * __END__
+ * hello world!
+ *
+ * $ ruby t.rb
+ * hello world!
+ */
+ rb_define_global_const("DATA", f);
+ }
+ else if (f != rb_stdin) {
+ rb_io_close(f);
}
+ return rb_gv_set("$.", lineno);
+}
+
+static NODE *
+load_file(VALUE parser, VALUE fname, int script, struct cmdline_options *opt)
+{
+ struct load_file_arg arg;
+ arg.parser = parser;
+ arg.fname = fname;
+ arg.script = script;
+ arg.opt = opt;
+ arg.xflag = 0;
+ arg.lineno = rb_gv_get("$.");
+ arg.f = open_load_file(rb_str_encode_ospath(fname), &arg.xflag);
+ return (NODE *)rb_ensure(load_file_internal, (VALUE)&arg,
+ restore_load_file, (VALUE)&arg);
+}
+
+void *
+rb_load_file(const char *fname)
+{
+ VALUE fname_v = rb_str_new_cstr(fname);
+ return rb_load_file_str(fname_v);
+}
+
+void *
+rb_load_file_str(VALUE fname_v)
+{
+ struct cmdline_options opt;
- fd = open(fname, O_RDONLY, 0);
- if (fd < 0) rb_sys_fail(fname);
- readin(fd, fname);
- close(fd);
+ return load_file(rb_parser_new(), fname_v, 0, cmdline_options_init(&opt));
+}
+
+/*
+ * call-seq:
+ * Process.argv0 -> frozen_string
+ *
+ * Returns the name of the script being executed. The value is not
+ * affected by assigning a new value to $0.
+ *
+ * This method first appeared in Ruby 2.1 to serve as a global
+ * variable free means to get the script name.
+ */
+
+static VALUE
+proc_argv0(VALUE process)
+{
+ return rb_orig_progname;
+}
+
+/*
+ * call-seq:
+ * Process.setproctitle(string) -> string
+ *
+ * Sets the process title that appears on the ps(1) command. Not
+ * necessarily effective on all platforms. No exception will be
+ * raised regardless of the result, nor will NotImplementedError be
+ * raised even if the platform does not support the feature.
+ *
+ * Calling this method does not affect the value of $0.
+ *
+ * Process.setproctitle('myapp: worker #%d' % worker_id)
+ *
+ * This method first appeared in Ruby 2.1 to serve as a global
+ * variable free means to change the process title.
+ */
+
+static VALUE
+proc_setproctitle(VALUE process, VALUE title)
+{
+ StringValue(title);
+
+ setproctitle("%.*s", RSTRING_LENINT(title), RSTRING_PTR(title));
+
+ return title;
}
static void
-load_stdin()
+set_arg0(VALUE val, ID id)
{
- char buf[32];
- FILE *f;
- char c;
- int fd;
+ if (origarg.argv == 0)
+ rb_raise(rb_eRuntimeError, "$0 not initialized");
+
+ rb_progname = rb_str_new_frozen(proc_setproctitle(rb_mProcess, val));
+}
+
+static inline VALUE
+external_str_new_cstr(const char *p)
+{
+#if UTF8_PATH
+ VALUE str = rb_utf8_str_new_cstr(p);
+ return str_conv_enc(str, NULL, rb_default_external_encoding());
+#else
+ return rb_external_str_new_cstr(p);
+#endif
+}
- sprintf(buf, "/tmp/ruby-f%d", getpid());
- f = fopen(buf, "w");
- fd = open(buf, O_RDONLY, 0);
- if (fd < 0) rb_sys_fail(buf);
- unlink(buf);
- while ((c = getchar()) != EOF) {
- putc(c, f);
+/*! Sets the current script name to this value.
+ *
+ * This is similar to <code>$0 = name</code> in Ruby level but also affects
+ * <code>Method#location</code> and others.
+ */
+void
+ruby_script(const char *name)
+{
+ if (name) {
+ rb_orig_progname = rb_progname = external_str_new_cstr(name);
+ rb_vm_set_progname(rb_progname);
}
- fclose(f);
+}
- if (fd < 0) rb_sys_fail(buf);
+/*! Sets the current script name to this value.
+ *
+ * Same as ruby_script() but accepts a VALUE.
+ */
+void
+ruby_set_script_name(VALUE name)
+{
+ rb_orig_progname = rb_progname = rb_str_dup(name);
+ rb_vm_set_progname(rb_progname);
+}
- readin(fd, "-");
+static void
+init_ids(struct cmdline_options *opt)
+{
+ rb_uid_t uid = getuid();
+ rb_uid_t euid = geteuid();
+ rb_gid_t gid = getgid();
+ rb_gid_t egid = getegid();
+
+ if (uid != euid) opt->setids |= 1;
+ if (egid != gid) opt->setids |= 2;
+ if (uid && opt->setids) {
+ if (opt->safe_level < 1) opt->safe_level = 1;
+ }
}
-static VALUE Progname;
-VALUE Argv;
+#undef forbid_setid
+static void
+forbid_setid(const char *s, struct cmdline_options *opt)
+{
+ if (opt->setids & 1)
+ rb_raise(rb_eSecurityError, "no %s allowed while running setuid", s);
+ if (opt->setids & 2)
+ rb_raise(rb_eSecurityError, "no %s allowed while running setgid", s);
+ if (opt->safe_level > 0)
+ rb_raise(rb_eSecurityError, "no %s allowed in tainted mode", s);
+}
-static int origargc;
-static char **origargv, **origenvp;
+static void
+verbose_setter(VALUE val, ID id, void *data)
+{
+ VALUE *variable = data;
+ *variable = RTEST(val) ? Qtrue : val;
+}
static VALUE
-set_arg0(val, id)
- VALUE val;
- ID id;
+opt_W_getter(ID id, void *data)
{
- char *s;
- int i;
- static int len;
-
- Check_Type(val, T_STRING);
- if (len == 0) {
- s = origargv[0];
- s += strlen(s);
- /* See if all the arguments are contiguous in memory */
- for (i = 1; i < origargc; i++) {
- if (origargv[i] == s + 1)
- s += strlen(++s); /* this one is ok too */
- }
- len = s - origargv[0];
- }
- s = RSTRING(val)->ptr;
- i = RSTRING(val)->len;
- if (i > len) {
- memcpy(origargv[0], s, len);
- origargv[0][len] = '\0';
+ VALUE *variable = data;
+ switch (*variable) {
+ case Qnil:
+ return INT2FIX(0);
+ case Qfalse:
+ return INT2FIX(1);
+ case Qtrue:
+ return INT2FIX(2);
+ default:
+ return Qnil;
}
- else {
- memcpy(origargv[0], s, i);
- s = origargv[0]+i;
- *s++ = '\0';
- while (++i < len)
- *s++ = ' ';
- }
- Progname = str_new2(origargv[0]);
-
- return val;
}
+/*! Defines built-in variables */
void
-ruby_script(name)
- char *name;
+ruby_prog_init(void)
{
- if (name) {
- Progname = str_new2(name);
- }
+ rb_define_hooked_variable("$VERBOSE", &ruby_verbose, 0, verbose_setter);
+ rb_define_hooked_variable("$-v", &ruby_verbose, 0, verbose_setter);
+ rb_define_hooked_variable("$-w", &ruby_verbose, 0, verbose_setter);
+ rb_define_hooked_variable("$-W", &ruby_verbose, opt_W_getter, rb_gvar_readonly_setter);
+ rb_define_variable("$DEBUG", &ruby_debug);
+ rb_define_variable("$-d", &ruby_debug);
+
+ rb_define_hooked_variable("$0", &rb_progname, 0, set_arg0);
+ rb_define_hooked_variable("$PROGRAM_NAME", &rb_progname, 0, set_arg0);
+
+ rb_define_module_function(rb_mProcess, "argv0", proc_argv0, 0);
+ rb_define_module_function(rb_mProcess, "setproctitle", proc_setproctitle, 1);
+
+ /*
+ * ARGV contains the command line arguments used to run ruby.
+ *
+ * A library like OptionParser can be used to process command-line
+ * arguments.
+ */
+ rb_define_global_const("ARGV", rb_argv);
}
void
-ruby_init0(argc, argv, envp)
- int argc;
- char **argv, **envp;
+ruby_set_argv(int argc, char **argv)
{
- extern VALUE errat;
int i;
+ VALUE av = rb_argv;
- origargc = argc; origargv = argv; origenvp = envp;
+#if defined(USE_DLN_A_OUT)
+ if (origarg.argv)
+ dln_argv0 = origarg.argv[0];
+ else
+ dln_argv0 = argv[0];
+#endif
+ rb_ary_clear(av);
+ for (i = 0; i < argc; i++) {
+ VALUE arg = external_str_new_cstr(argv[i]);
- rb_call_inits();
+ OBJ_FREEZE(arg);
+ rb_ary_push(av, arg);
+ }
+}
- rb_define_variable("$@", &errat, Qnil, Qnil, 0);
- errat = str_new2(argv[0]);
- rb_define_variable("$VERBOSE", &verbose, Qnil, Qnil, 0);
- rb_define_variable("$DEBUG", &debug, Qnil, Qnil, 0);
+void *
+ruby_process_options(int argc, char **argv)
+{
+ struct cmdline_options opt;
+ VALUE iseq;
+ const char *script_name = (argc > 0 && argv[0]) ? argv[0] : ruby_engine;
-#ifdef USE_DLN
- rb_dln_argv0 = argv[0];
+ ruby_script(script_name); /* for the time being */
+ rb_argv0 = rb_str_new4(rb_progname);
+ rb_gc_register_mark_object(rb_argv0);
+ iseq = process_options(argc, argv, cmdline_options_init(&opt));
+
+#ifndef HAVE_SETPROCTITLE
+ ruby_init_setproctitle(argc, argv);
#endif
- proc_options(&argc, &argv);
- if (do_check && nerrs == 0) {
- printf("Syntax OK\n");
- exit(0);
- }
- if (do_print) {
- yyappend_print();
+ return (void*)(struct RData*)iseq;
+}
+
+static void
+fill_standard_fds(void)
+{
+ int f0, f1, f2, fds[2];
+ struct stat buf;
+ f0 = fstat(0, &buf) == -1 && errno == EBADF;
+ f1 = fstat(1, &buf) == -1 && errno == EBADF;
+ f2 = fstat(2, &buf) == -1 && errno == EBADF;
+ if (f0) {
+ if (pipe(fds) == 0) {
+ close(fds[1]);
+ if (fds[0] != 0) {
+ dup2(fds[0], 0);
+ close(fds[0]);
+ }
+ }
}
- if (do_loop) {
- yywhole_loop(do_line, do_split);
+ if (f1 || f2) {
+ if (pipe(fds) == 0) {
+ close(fds[0]);
+ if (f1 && fds[1] != 1)
+ dup2(fds[1], 1);
+ if (f2 && fds[1] != 2)
+ dup2(fds[1], 2);
+ if (fds[1] != 1 && fds[1] != 2)
+ close(fds[1]);
+ }
}
+}
- rb_define_variable("$0", &Progname, Qnil, set_arg0, 0);
- ruby_script(script);
-
- rb_define_variable("$ARGV", &Argv, Qnil, Qnil, 0);
- rb_define_variable("$*", &Argv, Qnil, Qnil, 0);
- Argv = ary_new2(argc);
- for (i=0; i < argc; i++) {
- ary_push(Argv, str_new2(argv[i]));
- }
+/*! Initializes the process for ruby(1).
+ *
+ * This function assumes this process is ruby(1) and it has just started.
+ * Usually programs that embeds CRuby interpreter should not call this function,
+ * and should do their own initialization.
+ */
+void
+ruby_sysinit(int *argc, char ***argv)
+{
+#if defined(_WIN32)
+ void rb_w32_sysinit(int *argc, char ***argv);
+ rb_w32_sysinit(argc, argv);
+#endif
+ origarg.argc = *argc;
+ origarg.argv = *argv;
+#if defined(USE_DLN_A_OUT)
+ dln_argv0 = origarg.argv[0];
+#endif
+ fill_standard_fds();
}
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-08 00:12:15 +0000