version 1.0-971002v1_0_971002

https://cache.ruby-lang.org/pub/ruby/1.0/ruby-1.0-971002.tar.gz

Thu Oct  2 17:59:18 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-971002

Wed Oct  1 14:01:49 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* ext/marshal/marshal.c (w_byte): argument must be char.

Wed Oct  1 10:30:22 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* ext/marshal/marshal.c (marshal_dump): try to set binmode.

	* ext/marshal/marshal.c (r_object): forgot to re-regist structs in
	  the object table.

	* eval.c (ruby_options): call Init_ext() before any require()
 	  calls by `-r'.

Tue Sep 30 14:51:07 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-970930

Fri Sep 30 14:29:22 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* ext/marshal/marshal.c (w_object): marshal dumped core.

Tue Sep 30 10:27:39 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* sample/test.rb: bignum test suits added.

Mon Sep 29 13:37:58 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* ruby.c (forbid_setid): forbid some options in suid mode.

Mon Sep 27 09:53:48 1997  EGUCHI Matsumoto  <eguchi@shizuokanet.or.jp>

	* bignum.c: modified for speeding.

Fri Sep 26 18:27:59 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* sample/from.rb: some extensions.

Mon Sep 29 13:15:56 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* parse.y (lhs): no more syntax error on `obj.CONSTANT = value'.

Fri Sep 26 14:41:46 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* eval.c (ruby_run): deferred calling Init_ext() just before eval_node.

Fri Sep 26 13:27:24 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* io.c (io_isatty): forgot to return TRUE value.

Fri Sep 25 11:10:58 1997  EGUCHI Osamu  <eguchi@shizuokanet.or.jp>

	* eval.c: use _setjmp/_longjmp instead of setjmp/longjmp on some
	  platforms.

Wed Sep 24 17:43:13 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* string.c (Init_String): String#taint and String#taint? added.

Wed Sep 24 00:57:00 1997  Katsuyuki Okabe  <HGC02147@niftyserve.or.jp>

	* X68000 patch.

Tue Sep 23 20:42:30 1997  EGUCHI Osamu  <eguchi@shizuokanet.or.jp>

	* parse.y (node_newnode): SEGV on null node setup.

Mon Sep 22 11:22:46 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* ruby.c (ruby_prog_init): wrong safe condition check.

Sun Sep 21 14:46:02 1997  MAEDA shugo  <shugo@po.aianet.ne.jp>

	* error.c (exc_inspect): garbage added to classpath.

Fri Sep 19 11:49:23 1997    <matz@netlab.co.jp>

	* version 1.0-970919

	* parse.y (newtok): forgot to adjust buffer size when shrinking
	  the token buffer.

	* enum.c (enum_find): rb_eval_cmd() does not return value.

	* io.c (pipe_open): close fds on pipe exec. fcntl(fd, F_SETFD, 1)
	  no longer used.

Tue Sep 16 17:54:25 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* file.c (f_test): problem if wrong command specified.

	* ruby.c (ruby_prog_init): close stdaux and stdprn for MSDOS.

	* ruby.c (ruby_prog_init): should not add path from environment
	  variable, if ruby is running under seuid.

	* process.c (init_ids): check suid check for setuid/seteuid etc.

Mon Sep 15 00:42:04 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* regex.c (re_compile_pattern): \w{3} and \W{3} did not work.

Thu Sep 11 10:31:48 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-970911

	* ext/socket/socket.c (sock_new): no setbuf() for NT.

	* io.c (rb_fopen,rb_fdopen): set close-on-exec for every fd.

Wed Sep 10 15:55:31 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-970910

	* ext/marshal/marshal.c (r_bytes0): extra big length check.

Tue Sep  9 16:27:14 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* io.c (pipe_fptr_atexit): clean up popen()'ed fptr.

	* error.c (set_syserr): some system has error code that is bigger
	  than sys_nerr. grrr.

Tue Sep  9 16:27:14 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-970909

	* error.c (set_syserr): some system has error code that is bigger
	  than sys_nerr. grrr.

Wed Sep  3 18:11:00 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-970903

	* eval.c (f_load): expand path if fname begins with `~'.

Mon Sep  1 13:42:48 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* eval.c (rb_call): alias occured in the module body caused SEGV.

Fri Aug 29 11:10:21 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* parse.y (yylex): spaces can follow =begin/=end.

	* variable.c (find_class_path): look for class_tbl also for
	  unnamed fundamental classes, such as Object, String, etc.

	* variable.c (rb_name_class): can't name class before String class
 	  is initilialized.

	* inits.c (rb_call_inits): unrecognized dependency from GC to
	  Array.

	* variable.c (find_class_path): could not find class if Object's
 	  iv_tbl is NULL.

Thu Aug 28 13:12:05 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* parse.y (yylex): revised `=begin' skip code.

	* eval.c (is_defined): separated from rb_eval().

Wed Aug 27 11:32:42 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* variable.c (fc_i): some classes/modules does not have iv_tbl.

	* variable.c (find_class_path): avoid inifinite loop.

Tue Aug 26 13:43:47 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* eval.c (rb_eval): undef'ing non-existing method will raise
	  NameError exception.

	* object.c (class_s_new): needed to create metaclass too.

	* eval.c (error_print): no class name print for anonymous class.

	* eval.c (rb_longjmp): proper exception raised if raise() called
 	  without arguments, with $! or $@ set.

	* object.c (Init_Object): superclass()'s method argument setting
 	  was wrong again.

Mon Aug 25 11:53:11 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* sample/ruby-mode.el (ruby-parse-region): auto-indent now
 	  supports "\\" in the strings.

	* struct.c (struct_getmember): new API to get member value from C
	  language side.

Fri Aug 22 14:26:40 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* eval.c (error_print): modified exception print format.

Thu Aug 21 16:10:58 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* sample/ruby-mode.el (ruby-calculate-indent): wrong indent level
	  calculated with keyword operators.

Thu Aug 21 11:55:41 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-970821

Thu Aug 21 11:36:58 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* parse.y (arg): ary[0] += 1 cause SEGV

Wed Aug 20 14:24:42 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-970820

	* eval.c (rb_call): infinite loop bug

Tue Aug 19 00:15:38 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* version 1.0-970819

	* eval.c (rb_call): did not raise ArgumentError if too many
 	  arguments more than optional arguments (without rest arg).

	* eval.c (rb_eval): did not work well for op_asgn2 (attribute
	  self assignment).

Mon Aug 18 09:25:56 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* object.c (inspect_i): did not display T_DATA instance variables.

	* parse.y: provides more accurate line number information.

	* eval.c (thread_value): include value's backtrace information in
	  the variable `$@'.

	* eval.c (f_abort): print backtrace and exit.

Sat Aug 16 00:17:44 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* object.c (class_s_new): do not make subclass of singleton class.

Fri Aug 15 15:49:46 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* eval.c (call_trace_func): block context switch in the trace
          function.

	* eval.c (rb_eval): clear method cache at class extention.

Fri Aug 15 19:40:43 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* ext/socket/socket.c (Init_socket): small typo caused SEGV.

Tue Aug 12 16:02:18 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* variable.c: option variables: $-0, $-p(readonly), $-v,
	  $-I(load_path), $-a(readonly), $-K, $-d, $-F, $-i, $-l.

	* parse.y (yylex): ignore rd (ruby document) in the code.

Mon Aug 11 12:37:58 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* re.c (Init_Regexp): $-K as alias to the $KCODE.

	* io.c (Init_IO): new virtual variable $-i for the value of -i
 	  option.

	* enum.c (Init_Enumerable): include? as alias of member?

Fri Aug  8 11:16:50 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* io.c (io_foreach): now the record separator can be specified.

	* io.c (io_s_readlines): new method to read in whole file (or
 	  command output) from path.

	* ext/socket/socket.c (Init_socket): recvfrom did not work.

	* ext/socket/socket.c (sock_send): forgot to check nil for false
	  value.

Thu Aug  7 11:40:01 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* object.c (Init_Object): remove private_attr/public_attr.

Wed Aug  6 14:21:36 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* object.c (mod_attr): forgot to check nil for false value.

Mon Aug  4 11:50:28 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* variable.c (rb_class_path): scan class constants for anonymous
	  classes/modules to make up pathes.

Wed Jul 30 08:45:12 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* eval.c (rb_eval): stop to cache const value in nodes.

Sat Jul 26 03:17:22 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* numeric.c (flo_to_s): wrong .0 at end.

Sat Jul 26 00:36:36 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* eval.c (error_print): always print exception type in the
 	  toplevel exception handler.

	* string.c (str_hash): wrong hash value.

Thu Jul 24 11:05:51 1997  Yukihiro Matsumoto  <matz@netlab.co.jp>

	* string.c (uscore_get): proper error message for unset $_.

Wed Jul 23 09:56:55 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* object.c (obj_methods): returns list of method names of the
	  specified object.

	* class.c (mod_instance_methods): returns list of method names of
	  the class instnace.

Fri Jul 11 22:38:55 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* object.c (class_superclass): returns class's superclass
 	  itself. (1.1)

	* object.c (obj_type): returns object's class itself. (1.1)

	* class.c (mod_included_modules): list included modules.

	* object.c (class_superclass): raises error for Object.

Thu Jul  3 09:54:02 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (SETUP_ARGS): save source position, remove nd_line().

	* eval.c (rb_call): replace modulo by bit-masking.

	* eval.c (POP_SCOPE): force recycle scope object to reduce gc rate.

	* gc.c (obj_free): aboid calling run_final() when no finalizer is set.

	* eval.c (PUSH_VARS): do not allocate the dynamic scope's end-mark
	  object.

Wed Jul  2 14:25:07 1997  KIMURA Koichi  <kkimura@pure.cpdc.canon.co.jp>

	* Native mswin32 support.

Tue Jul  1 09:59:00 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970701

	* parse.y (mrhs): allow rest-star(*) in right hand side.

Tue Jun 24 19:04:31 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970624

Sat Jun 20 22:22:51 1997  Michio "Karl" Jinbo  <karl@marcer.nagaokaut.ac.jp>

	* eval.c: freebsd 3.0 <sys/select.h> support.

Fri Jun 20 01:24:45 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970620

	* gc.c: eliminate uninitilalized field of Hash, Array etc., to
	  avoid dumping core.

Thu Jun 19 01:29:44 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970619

	* string.c (str_split_method): wrong limit.

Sat Jun 14 01:54:16 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* class.c (rb_singleton_class): no singleton for special
	  constants (now raises exception).

	* eval.c (ruby_init): cbase in TOPLEVEL_BINDING need to be
	  initialized.

Sat Jun 14 01:01:16 1997  maeda shugo  <shugo@po.aianet.ne.jp>

	* array.c (sort_2): wrong comparison.

Sat Jun 14 00:53:44 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* hash.c (hash_foreach): safe iteration.

Fri Jun 13 14:04:56 1997  Michio "Karl" Jinbo  <karl@marcer.nagaokaut.ac.jp>

	* configure.in: -Bshareable option for netbsd.

Fri Jun 13 01:16:22 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* io.c (pipe_open): call io_unbuffered() only for writable pipes.

Thu Jun 12 01:14:15 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970612

	* ext/socket/socket.c (sock_new): use io_unbuffered().

	* ext/marshal/marshal.c (w_long): compact long format, which
	  supports 64 bit architectures (unless longs are >32 bit size).

	* ext/marshal/marshal.c: allows recursive data for marshaling.

	* parse.y (rb_intern): raise exception for non-internable string.

	* ext/marshal/marshal.c (marshal_load): allows direct loading from
 	  strings.

	* ext/marshal/marshal.c (marshal_dump): allows direct dump to strings.

	* ext/marshal/marshal.c (marshal_dump): interface changed.

Wed Jun 11 18:26:00 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* gc.c (rb_newobj): remove needless memset().

Mon Jun  9 13:03:43 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (rb_eval): reduce condition checks from while/until loop.

	* eval.c (rb_eval): wrong jump point for `next'.

Fri Jun  6 11:47:39 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ruby.c (ruby_set_argv): initialize dln_argv0 for dln_a_out.

	* ext/socket/socket.c (open_unix): display path name for exceptions.

	* ruby.c (proc_options): option -S did not work well.

Fri May 30 02:14:44 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970530

	* eval.c (eval): set $! properly if exception raised in eval().

	* io.c (io_write): now handles non T_FILE object.

	* io.c (io_defset): $< can be anything which has `write' method.

Thu May 29 15:40:22 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (eval): $@ is always an array (not string).

	* pack.c (pack_unpack): avoid corrupting memory for unexpected
	  input strings.

Wed May 28 12:46:13 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970528

	* process.c (rb_waitpid): do not block other threads.

Tue May 27 12:02:31 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (ruby_init): split initialize and processing command line
	  options.

	* ruby.c (ruby_options): ruby_init(0, 0, envp) dumps core.

Tue May 20 18:59:45 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* variable.c (rb_ivar_set): invalid instance variable access for
	  built-in object raises TypeError.

Fri May 16 17:32:21 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970516

	* dir.c (push_globs): was freeing non heap pointer.

	* gc.c: remove some duplicated prototypes.

	* ext/kconv/kconv.c: fix prototypes.

Fri May  9 11:38:59 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970509

	* gc.c (obj_free): avoid free(NULL).

	* eval.c (rb_check_safe_str): argument missing for TypeError().

Thu May  8 01:14:28 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* file.c (file_s_dirname): need to return "." for path without
	  slashes.

Wed May  7 19:18:48 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* process.c (f_fork): child processe does not inherit parent's
 	  itimer setting on linux.  call setitimer() again in the child
	  process.

Sat May  3 02:49:43 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ext/curses/curses.c: modified for portability and add to the
 	  standard distribution.

Wed Apr 30 00:34:00 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* file.c (file_s_size): returns 0 for empty files (not FALSE).

Fri Apr 25 02:17:50 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970425

	* eval.c (f_load): free unused name-table.

	* eval.c (f_load): copy local variable name-table.

	* gc.c (obj_free): avoid free(NULL).

	* eval.c (rb_eval): forgot to make link from the scope object to
	  NODE_SCOPE.  It may crash the interpreter.

Thu Apr 24 00:35:09 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* random.c (f_srand): save old seed anyway.  srand() returns no
 	  value on some systems.

	* gc.c (obj_free): avoid double free of the local variable name
	  table.

	* parse.y (top_local_setup): modify realloc to handle offset.

Tue Apr 22 12:58:26 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970422

Thu Apr 17 00:40:51 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* configure.in (rb_cv_bsdpgrp): proper check for BSD
	  setpgrp/setpgrp.

Wed Apr 16 16:14:02 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (proc_call): proc called in other thread must be orphan.

Tue Apr 15 10:46:31 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970415

	* gc.c (obj_free): NODE_SCOPE marked from SCOPE object.

	* gc.c (gc_mark): some nodes marked wrong.

	* process.c (proc_getpgrp): wrong argument

Fri Apr 14 18:32:42 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970414

Fri Apr 12 01:20:12 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ruby.h: String pointer changed to unsigned char.

Fri Apr 11 10:27:29 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970411

	* Makefile.in: create libruby.a before linking ruby.

	* string.c (str_strip_bang): >0x80 characters for isspace().

	* eval.c (proc_call): set safe-level temporally

	* eval.c (proc_s_new): save safe-level in the proc context.

	* eval.c (rb_eval): no class/module extention in safe mode.

Thu Apr 10 02:10:41 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* gc.c (gc_mark): remove some pointer checks for speeding up.

	* ruby.c (ruby_options): set $0 temporally for -r option.

	* eval.c: built-in security feature.

	* gc.c (gc_sweep): do not free nodes during compile.

	* parse.y (yycompile): set flag when compiling.

Wed Apr  9 10:19:02 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ruby.c: forgot to include <ctype.h> for isspace().

	* file.c: provide S_ISREG for some platforms.

	* io.c (Init_IO): added some $< operations.

	* lib/ping.rb: check host upness using TCP echo.

Tue Apr  8 00:10:15 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* io.c (arg_read): bug with 0 length input.

Mon Apr  7 11:36:16 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ext/fcntl/fcntl.c: module for fcntl constants.

	* eval.c (rb_alias): bug when original was an alias.

	* parse.y (primary): syntax to access singleton class.

	* eval.c (mod_public_method): method's to specify visibitily of
	  the class methods.  make_method_{public,private} removed.

Fri Apr  4 21:43:57 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970404

	* gc.c (obj_free): finalizer added for experiment.

Thu Apr  3 02:12:31 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (thread_schedule): make Fatal rise on main_thread on
	  deadlocks.

	* eval.c (thread_join): raise ThreadError instead of Fatal, in
	  case of deadlock.

	* regex.c (re_compile_fastmap): uninitialized local variable.

	* parse.y (parse_regx): new option //[nes] to specify character
	  code for regexp literals.  Last specified code option is valid.

	* re.c (reg_s_new): addtional 3rd argument to specify compiled
 	  regexp's character code.

	* re.c (reg_new_1): regexp character code can be specified for
	  each regexp object.

Wed Apr  2 14:51:06 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (thread_create): handle uncaught throw.

	* eval.c (thread_create): halt on some deadlock conditions.

	* regex.c (is_in_list): wrong result for non-mbc higher-byte
	  characters.

	* regex.c (re_match): wrong skip for multi-byte characters.

	* regex.c (re_compile_fastmap): wrong fastmap in non-mbc mode.

	* hash.c (Init_Hash): hash compatible features added to ENV.

Tue Apr  1 15:24:06 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (obj_extend): remove Object#extend as an iterator which
 	  is in experimental state, since it unveils internal singleton
 	  classes.

Mon Mar 31 14:29:39 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970331

Sun Mar 30 19:40:57 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* parse.y (terms): avoided win32 gcc's optimization bug.

Sat Mar 29 11:21:58 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* struct.c (make_struct): St[val,..] creates new structure.

Fri Mar 28 11:24:51 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (obj_make_private): new method make_method_{public,private}
	  to change visibility of singleton methods.

	* regex.c (re_compile_pattern): enables numeric literal >= 0x80 in
	  the character class.

	* regex.c (re_compile_pattern): enabled numeric literal >= 0x80,
	  in multibyte mode.

	* regex.c (re_compile_fastmap): modified exantn and charset(_not)
	  to set fastmap for higher bytes properly.

	* regex.c (is_in_list): now matches numeric literals.

Thu Mar 27 13:34:20 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* pack.c (pack_unpack): extra null byte after unpacked string.

Wed Mar 26 15:20:34 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* regex.c (re_compile_pattern): register numbers must be fit in a
 	  byte (0 <= regnum <= 0xff).

	* regex.c (re_compile_fastmap): forgot to set mbchar map for
 	  charset_not if RE_MBCTYPE is on.

	* regex.c (re_compile_pattern): set list bits for multi-byte
	  characters for \W, \S, \D in range expression.

	* object.c (obj_is_kind_of): defined that nil itself is kind of
 	  nil.  TRUE is kind of TRUE, FALSE is kind of FALSE likewise.
  	  This change makes `obj.kind_of?(eval(obj.type))' always true.

Tue Mar 25 14:08:43 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* lib/English.rb: provides nicer English alias for the variables.

	* parse.y (expr): alias $var1 $var2 makes alias of the global
	  variable.

Mon Mar 24 18:23:20 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970324

Thu Mar 20 22:04:59 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (mod_modfunc): forget to clear method cache.

Wed Mar 19 17:06:55 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* parse.y (program): set methods' default private/public status
	  correctly under eval().

	* eval.c (eval): set the_class correctly while evaluating string.

Tue Mar 18 12:23:53 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (eval): yield can be called from eval().

	* version 1.0-970318

	* parse.y (program): regexp in condition expression should do
	  matching operation with $_.

	* re.c (reg_regsub): wrong substitution.

Fri Mar 14 14:36:28 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* hash.c (hash_invert): returns value to key mapping of the
	  associative array.

	* ext/socket/extconf.rb: set environment variable SOCKS_SERVER to
	  compile with libsocks.a.

	* ext/socket/socket.c (socks_s_open): SOCKSsocket class to access
	  internet via SOCKS library.

	* sprintf.c (f_sprintf): unsigned formats display leading double
 	  dots for imaginary sequence of signed bit to the left.

	* sprintf.c (f_sprintf): correct width and precision formatting
	  for big integers.

	* parse.y (yylex): enables negative hex/octal numbers and `_' in
	  non-decimal numbers.

	* sprintf.c (f_sprintf): %u added for unsigned decimal format.

Thu Mar 13 10:24:27 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* sprintf.c (f_sprintf): wrong output for bignums.

	* array.c (ary_reverse_each): iterates in reverse order.

	* pack.c (pack_unpack): L unpacked signed long.

	* io.c (f_backquote): now returns an empty string for no output.

Wed Mar 12 10:20:30 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ext/socks/socks.c: socket module with socks library.

Mon Mar 10 20:44:22 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* re.c (reg_regsub): \& for substitution.  \`, \', and \+ are
	  avaiable also.

Thu Mar  6 01:47:03 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970306

	* sample/rubydb.el (gud): ruby debugger emacs interface

	* lib/debug.rb: ruby debugger

	* parse.y (exprs): more accurate line number display.

Wed Mar  5 21:31:46 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970305

Tue Mar  4 12:28:32 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ruby.c (proc_options): search through RUBYPATH and PATH for
	  option -S.

Mon Mar  3 22:44:55 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (thread_status): returns nil for exception terminated
	  threads.

	* eval.c (thread_value): re-raise exceptions.

Sat Mar  1 00:59:47 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (rb_eval): restore $! value after rescue clause, to
	  re-raise exceptions correctly.

Fri Feb 28 16:43:38 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970228

Thu Feb 27 11:23:41 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (rb_yield_0): redo raises exception

	* eval.c (thread_schedule): bug in interrupt handling by rescue.

Wed Feb 26 00:55:36 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (eval): forgot to restore dynamic local variable
	  bindings.

Tue Feb 25 11:22:08 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ext/aix_ld.rb: AIX dynamic load support (not tested).

	* eval.c (rb_eval): wrong return value for defined? super.

	* error.c (exception): more error check.

	* re.c (reg_regsub): wrong substitution when sub expanded to null
 	  string.

Fri Feb 21 13:01:47 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970221

	* eval.c (f_require): volatile added.  register variable was
 	  recycled, so that GC did not mark that variable.

	* object.c (Init_Object): forget to mark main object (was mostly
	  ok, but made trouble with early GC.)

Thu Feb 20 11:50:50 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970220

Thu Feb 20 11:25:50 1997  Yasuo OHBA  <jammy@shljapan.co.jp>

	* lib/date.rb: update

Thu Feb 20 08:25:57 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* parse.y (yylex): forgot tokfix() before rb_intern().

	* lib/tk.rb (TkVariable): give up using trace_var.

Wed Feb 19 00:24:35 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970219

	* pack.c (pack_pack): packed by null for A specifier. must be
	  space filled.

	* pack.c (pack_unpack): bug in skipping spaces

	* gc.c (xmalloc): garbage collect for every 4 Meg. allocation.

	* string.c (str_split_method): limit worked wrong way.

	* io.c (io_gets_method): misunderstand 0xff in binary files when
	  $/ == nil.

	* re.c (reg_regsub): re-implement.

	* ext/socket/socket.c (thread_connect): remove O_NONBLOCK, which
	  is not defined on some platform like NeXT.

Mon Feb 17 13:08:30 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970217

	* object.c (mod_eqq): === extended for subclass check (to use case
	  as typecase).

Sat Feb 15 02:07:22 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* regex.c (re_compile_pattern): wrong match backref at end of pattern.

	* io.c (arg_read): now works beyond end of file.

Thu Feb 13 16:21:24 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* parse.y (expr): return/yield now accept normal argument format.

	* parse.y (yylex): a star in `yield *x' must not be multiplication
	  operator.

Wed Feb 12 15:06:44 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* time.c (time_plus): bug in simple addition.

	* eval.c (thread_raise): raise exceptions from outside.

	* eval.c (Init_Thread): Thread#alive? -- alias for Thread#status.

Mon Feb 10 00:38:55 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* ruby.h (Data_Make_Struct): rename macros.

Sun Feb  8 11:48:13 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* io.c (f_syscall): argument offset was wrong.

Fri Feb  7 18:01:17 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970207

	* eval.c: add volatiles to avoid variable crobbering by longjmp().

	* eval.c (f_raise): 1st argument can be the GlobalExit object now.

	* array.c (ary_unshift): no longer accept more than 2 args.

	* eval.c (f_raise): bug if 2nd argument is the exception.

Tue Feb  4 00:37:29 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970204

	* eval.c (eval): check compile errors by nerrs.

	* eval.c (rb_eval): check syntax error by nerrs, not by the return
 	  value, which may be NULL.

	* eval.c (compile): Do not clear errinfo.

Mon Feb  3 10:13:06 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (obj_extend): move real inclusion to Module#extend_object
	  to allow redfinition.

	* object.c (Init_Object): Kernel class is now Module. Object class
	  became the true root class.

	* object.c (obj_inspect): remove useless buffer.

	* hash.c (any_cmp): disable interrupts and context switching.

	* st.c: remove ALLOW_INTS to disable interrupt during operations.

Fri Jan 31 22:10:08 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* hash.c (hash_rehash): re-register all key-value.

Thu Jan 30 02:14:49 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* io.c (io_reopen): re-implement according to clone() way.

	* io.c (io_clone): copy IO object.

	* struct.c (struct_eql): compare elements by eql?.

	* io.c (io_mode_flags): detect "rb", "wb" etc.

	* io.h (FMODE_BINMODE): added.

	* ext/socket/socket.c (Init_socket): undef BasicSocket.new

	* file.c (Init_File): File.new(path[,mode])

	* io.c (Init_IO): IO.new(fd[,mode])

	* eval.c (rb_method_boundp): forgot to enable priv argument.

	* object.c (Init_Object): remove `=~' from Kernel class.

	* ext/socket/socket.c (open_inet): initialize sockaddr before
	  calling bind(2).

	* sample/ruby-mode.el (ruby-calculate-indent): skip comment lines

Wed Jan 29 18:43:22 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (Init_Thread): DEFER_INTS during initializing threads.

	* hash.c (Init_Hash): Hash#eql? checks for object identity.

	* eval.c (thread_set_critical): wrong value assigned.

Mon Jan 27 16:10:51 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* io.c (io_print): remove print_on().

	* eval.c (f_missing): proper error message for undefined method
	  without argument

Sat Jan 25 23:32:32 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* string.c (str_sub_s): false alert - sub() does not modify string.

	* array.c (ary_times): negative multiplication detected

	* string.c (str_times): negative multiplication detected

Fri Jan 24 10:51:39 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* time.c (time_arg): month -> 0 == "jan" == "1" == "01", little bit
	  confusing but wanted to conform japanese style.

	* version 1.0-970124

Fri Jan 24 09:52:49 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* util.c (_fixpath): supports SJIS filenames on DJGPP.

Thu Jan 23 16:52:06 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* README.EXT: update. partially translated into English.

	* ext/extmk.rb.in: inherit $LDFLAGS to the final link.

	* ext/socket/socket.c (Init_socket): add various constants.

Mon Jan 23 11:40:59 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* eval.c (Init_Thread): allocate main_thread first to avoid crash.

Thu Jan 23 02:09:26 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* gc.c (ObjectSpace): API modified. each_object method will do all
 	  the iteration.

	* eval.c (proc_call): wrong return from nested lambda.

	* ext/GD/GD.c: debugged.

Wed Jan 22 16:12:25 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970122

	* gc.c (gc_mark): forgot to mark match->str.

	* ext/GD/GD.c: GD interface module.

	* eval.c (PUSH_BLOCK): wrong value pushed as the block level.

Mon Jan 20 14:01:31 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (thread_run): no context switch in the critical section.

Mon Jan 20 09:40:59 1997  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>

	* utils.c: supports 8+3 filenames

Sat Jan 18 01:23:03 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970118

	* regex.c (PATFETCH): need cast to unsigned char.

	* io.c (io_ctl): bug in case when arg is not a string.

	* lib/tk.rb: forgot that Kernel#type returns the class name now.

	* regex.c (re_search): "abc\n" =~ "^$" should not match.

Fri Jan 17 12:31:37 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970117

	* ruby.c (ruby_options): constant PLATFORM, which is in the {cpu}-{os}
	  form, defined.

	* configure.in: platform infomation embedded in the interpreter.

	* regex.c (re_search): /^$/ did not match to "" by wrong exit condition.

	* lib/thread.rb: re-write Mutex/Queue based on Thread.critical.

	* eval.c (thread_set_critical): remove Thread.exclusive, add
	  Thread.critical = TRUE/FALSE instead.

	* re.c (reg_search): re-compile pattern if needed

	* regex.c (PATFETCH): do translate at compile time

Thu Jan 16 00:49:10 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* gc.c (gc_mark_frame): forgot to mark frame->cbase.

	* regex.c (re_compile_pattern): /a$|b)/ causes error.

	* regex.c (re_compile_pattern): /(^|b)/ causes error.

	* version 1.0-970116

	* re.c (Init_Regexp): set RE_CONTEXTUAL_INVALID_OPS flag.

Tue Jan 14 02:09:06 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (proc_call): Proc#callをイテレータとして呼んだ時に対応

	* configure.in: nextstep対応？

	* eval.c (rb_eval): a[b]=cで無駄な配列を割り当てない

	* eval.c (f_send): イテレータとして呼ばれたらイテレータとしてメソッ
	  ドを呼ぶ．

	* string.c (str_new4): match共有用の生成関数

	* re.c (reg_search): matchの実体(文字列)をマッチを行った文字列と
	  copy-on-writeで共有

	* string.c (str_hash): toupperをかける条件が違っていた

	* array.c (sort_2): FixnumとStringを特別扱いして高速化

Mon Jan 13 11:03:53 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* eval.c (thread_create): threadが生成されるまで割込みを設定しない

	* eval.c (Init_Thread): 割込みタイミングを100msecに

Sat Jan 11 00:17:05 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* regex.c (re_search): マッチに失敗する場合があった(本当に直ったか？)

	* io.c (io_ioctl,io_fcntl): 第2引数を省略可能に

	* io.c (io_ioctl,io_fcntl): 戻り値がIOだった．整数(システムコール
	  の戻り値)を返すようにした．

	* io.c (io_ctl): 引数が整数の時に対応

	* io.c (io_fcntl): file.cから移動

Fri Jan 10 17:01:47 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* version 1.0-970110

	* ext/socket/socket.c (thread_connect): open(connect(2))で他の
	  threadをブロックしないように

	* eval.c (thread_create): exitでないときにexitだと思い込む

Mon Jan  6 17:42:22 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* string.c (str_sub_s): 文字列長より長いoffsetの検出

	* regex.c (re_search): 空にマッチするパターン後の$で失敗

Thu Jan  2 16:36:23 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* file.c (file_reopen): Fileのreopen(pathまたはIOで指定)．

	* io.c (io_reopen): IOのreopen(IOで指定) -- change classつき

Wed Jan  1 11:09:01 1997  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* io.c (f_select): timeoutでnilを返す

Fri Dec 27 13:06:44 1996  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* file.c (file_s_open): サブクラスではそのクラスのインスタンスを返
	  すように．

Fri Dec 27 08:58:27 1996  ono@isl.nara.sharp.co.jp

	* numeric.c (flo_to_s): index()を使わない．strstr()に．

Thu Dec 26 01:34:17 1996  Yukihiro Matsumoto  <matz@caelum.co.jp>

	* lib/tk.rb: placeが使えるように

	* pack.c (endian): マクロDYNAMIC_ENDIANを指定すると実行時にendian
	  を判定するように．

	* eval.c (thread_alloc): 初期化忘れのメンバがあった．

Co-authored-by: EGUCHI Matsumoto <eguchi@shizuokanet.or.jp>
Co-authored-by: EGUCHI Osamu <eguchi@shizuokanet.or.jp>
Co-authored-by: KIMURA Koichi <kkimura@pure.cpdc.canon.co.jp>
Co-authored-by: Katsuyuki Okabe <HGC02147@niftyserve.or.jp>
Co-authored-by: MAEDA shugo <shugo@po.aianet.ne.jp>
Co-authored-by: Michio "Karl" Jinbo <karl@marcer.nagaokaut.ac.jp>
Co-authored-by: WATANABE Hirofumi <watanabe@ase.ptg.sony.co.jp>
Co-authored-by: Yasuo OHBA <jammy@shljapan.co.jp>
Co-authored-by: maeda shugo <shugo@po.aianet.ne.jp>
Co-authored-by: ono <ono@isl.nara.sharp.co.jp>

1 files changed, 280 insertions, 109 deletions

diff --git a/re.c b/re.c
index 673306e0f7..19b274bd4f 100644
--- a/re.c
+++ b/re.c
@@ -82,17 +82,18 @@ str_cicmp(str1, str2)
     p1 = str1->ptr; p2 = str2->ptr;
 
     for (i = 0; i < len; i++, p1++, p2++) {
-	if (casetable[(int)*p1] != casetable[(int)*p2])
-	    return casetable[(int)*p1] - casetable[(int)*p2];
+	if (casetable[(unsigned)*p1] != casetable[(unsigned)*p2])
+	    return casetable[(unsigned)*p1] - casetable[(unsigned)*p2];
     }
     return str1->len - str2->len;
 }
 
 #define REG_IGNORECASE FL_USER0
 
-#define KCODE_NONE 0
-#define KCODE_EUC  FL_USER1
-#define KCODE_SJIS FL_USER2
+#define KCODE_NONE  0
+#define KCODE_EUC   FL_USER2
+#define KCODE_SJIS  FL_USER3
+#define KCODE_FIXED FL_USER4
 #define KCODE_MASK (KCODE_EUC|KCODE_SJIS)
 
 static int reg_kcode = 
@@ -106,6 +107,69 @@ static int reg_kcode =
 # endif
 #endif
 
+static void
+kcode_euc(reg)
+    struct RRegexp *reg;
+{
+    FL_UNSET(reg, KCODE_MASK);
+    FL_SET(reg, KCODE_EUC);
+    FL_SET(reg, KCODE_FIXED);
+}
+
+static void
+kcode_sjis(reg)
+    struct RRegexp *reg;
+{
+    FL_UNSET(reg, KCODE_MASK);
+    FL_SET(reg, KCODE_SJIS);
+    FL_SET(reg, KCODE_FIXED);
+}
+
+static void
+kcode_none(reg)
+    struct RRegexp *reg;
+{
+    FL_UNSET(reg, KCODE_MASK);
+    FL_SET(reg, KCODE_FIXED);
+}
+
+static void
+kcode_set_option(reg)
+    struct RRegexp *reg;
+{
+    if (!FL_TEST(reg, KCODE_FIXED)) return;
+
+    re_syntax_options &= ~RE_MBCTYPE_MASK;
+    switch ((RBASIC(reg)->flags & KCODE_MASK)) {
+      case KCODE_NONE:
+	break;
+      case KCODE_EUC:
+	re_syntax_options |= RE_MBCTYPE_EUC;
+	break;
+      case KCODE_SJIS:
+	re_syntax_options |= RE_MBCTYPE_SJIS;
+	break;
+    }
+    re_set_syntax(re_syntax_options);
+}	  
+
+static void
+kcode_reset_option()
+{
+    re_syntax_options &= ~RE_MBCTYPE_MASK;
+    switch (reg_kcode) {
+      case KCODE_NONE:
+	break;
+      case KCODE_EUC:
+	re_syntax_options |= RE_MBCTYPE_EUC;
+	break;
+      case KCODE_SJIS:
+	re_syntax_options |= RE_MBCTYPE_SJIS;
+	break;
+    }
+    re_set_syntax(re_syntax_options);
+}
+
 extern int rb_in_eval;
 
 static VALUE
@@ -144,8 +208,10 @@ reg_desc(s, len, re)
 	}
     }
     str_cat(str, "/", 1);
-    if (re && FL_TEST(re, REG_IGNORECASE)) {
-	str_cat(str, "i", 1);
+    if (re) {
+	if (FL_TEST(re, REG_IGNORECASE)) {
+	    str_cat(str, "i", 1);
+	}
     }
     return str;
 }
@@ -158,25 +224,24 @@ reg_inspect(re)
 }
 
 static void
-reg_raise(s, len, err, compile, re)
+reg_raise(s, len, err, re)
     char *s;
     int len;
     char *err;
-    int compile;
     VALUE re;
 {
     VALUE desc = reg_desc(s, len, re);
 
-    if (!compile)
+    if (rb_in_eval)
 	Raise(eRegxpError, "%s: %s", err, RSTRING(desc)->ptr);
     else
 	Error("%s: %s", err, RSTRING(desc)->ptr);
 }
 
 static Regexp*
-make_regexp(s, len)
+make_regexp(s, len, flag)
     char *s;
-    int len;
+    int len, flag;
 {
     Regexp *rp;
     char *err;
@@ -193,9 +258,13 @@ make_regexp(s, len)
     rp->buffer = ALLOC_N(char, 16);
     rp->allocated = 16;
     rp->fastmap = ALLOC_N(char, 256);
-
-    if ((err = re_compile_pattern(s, (size_t)len, rp)) != NULL) {
-	reg_raise(s, len, err, !rb_in_eval, 0);
+    if (flag) {
+	rp->translate = casetable;
+    }
+    err = re_compile_pattern(s, (size_t)len, rp);
+    kcode_reset_option();
+    if (err != NULL) {
+	reg_raise(s, len, err, 0);
     }
 
     return rp;
@@ -205,44 +274,12 @@ extern VALUE cData;
 static VALUE cMatch;
 
 static VALUE
-match_to_a(match)
-    struct RMatch *match;
-{
-    struct re_registers *regs = match->regs;
-    VALUE ary = ary_new(regs->num_regs);
-    int i;
-
-    for (i=0; i<regs->num_regs; i++) {
-	if (regs->beg[0] == -1) ary_push(ary, Qnil);
-	else ary_push(ary, str_new(match->ptr+regs->beg[i],
-				   regs->end[i]-regs->beg[i]));
-    }
-    return ary;
-}
-
-static VALUE
-match_to_s(match)
-    struct RMatch *match;
-{
-    int beg, len;
-
-    if (match->regs->allocated == 0) return Qnil;
-
-    beg = match->regs->beg[0];
-    if (beg == -1) return Qnil;
-
-    len = match->regs->end[0] - beg;
-    return str_new(match->ptr+beg, len);
-}
-
-static VALUE
 match_alloc()
 {
     NEWOBJ(match, struct RMatch);
     OBJSETUP(match, cMatch, T_MATCH);
 
-    match->ptr = 0;
-    match->len = 0;
+    match->str = 0;
     match->regs = ALLOC(struct re_registers);
     MEMZERO(match->regs, struct re_registers, 1);
 
@@ -262,6 +299,7 @@ reg_search(reg, str, start, regs)
     int casefold = RTEST(ignorecase);
     VALUE match = 0;
     struct re_registers *regs0 = 0;
+    int need_recompile = 0;
 
     if (start > str->len) return -1;
 
@@ -273,11 +311,13 @@ reg_search(reg, str, start, regs)
 	if (reg->ptr->translate != casetable) {
 	    reg->ptr->translate = casetable;
 	    reg->ptr->fastmap_accurate = 0;
+	    need_recompile = 1;
 	}
     }
     else if (reg->ptr->translate) {
 	reg->ptr->translate = NULL;
 	reg->ptr->fastmap_accurate = 0;
+	need_recompile = 1;
     }
 
     if (regs == (struct re_registers*)-1) {
@@ -290,18 +330,28 @@ reg_search(reg, str, start, regs)
 
     if (regs && !match) regs0 = regs;
 
-    if ((RBASIC(reg)->flags & KCODE_MASK) != reg_kcode) {
+    if (FL_TEST(reg, KCODE_FIXED)) {
+	kcode_set_option(reg);
+    }
+    else if ((RBASIC(reg)->flags & KCODE_MASK) != reg_kcode) {
+	need_recompile = 1;
+	RBASIC(reg)->flags = RBASIC(reg)->flags & ~KCODE_MASK;
+	RBASIC(reg)->flags |= reg_kcode;
+    }
+
+    if (need_recompile) {
 	char *err;
 
-	if ((err = re_compile_pattern(reg->str, reg->len, reg->ptr)) != NULL) {
+	err = re_compile_pattern(reg->str, reg->len, reg->ptr);
+	if (err != NULL) {
+	    kcode_reset_option();
 	    reg_raise(reg->str, reg->len, err, reg);
 	}
-	RBASIC(reg)->flags = RBASIC(reg)->flags & ~KCODE_MASK;
-	RBASIC(reg)->flags |= reg_kcode;
     }
 
     result = re_search(reg->ptr, str->ptr, str->len,
 		       start, str->len - start, regs0);
+    kcode_reset_option();
 
     if (start == -2) {
 	reg_raise(reg->str, reg->len, "Stack overfow in regexp matcher", reg);
@@ -310,10 +360,7 @@ reg_search(reg, str, start, regs)
 	backref_set(Qnil);
     }
     else if (match) {
-	RMATCH(match)->len = str->len;
-	REALLOC_N(RMATCH(match)->ptr, char, str->len+1);
-	memcpy(RMATCH(match)->ptr, str->ptr, str->len);
-	RMATCH(match)->ptr[str->len] = '\0';
+	RMATCH(match)->str = str_new4(str);
 	backref_set(match);
     }
     if (regs && regs0 && regs0 != regs) re_copy_registers(regs, regs0);
@@ -349,7 +396,7 @@ reg_nth_match(nth, match)
     if (start == -1) return Qnil;
     end = match->END(nth);
     len = end - start;
-    return str_new(match->ptr + start, len);
+    return str_new(RSTRING(match->str)->ptr + start, len);
 }
 
 VALUE
@@ -365,7 +412,7 @@ reg_match_pre(match)
 {
     if (NIL_P(match)) return Qnil;
     if (match->BEG(0) == -1) return Qnil;
-    return str_new(match->ptr, match->BEG(0));
+    return str_new(RSTRING(match->str)->ptr, match->BEG(0));
 }
 
 VALUE
@@ -374,8 +421,8 @@ reg_match_post(match)
 {
     if (NIL_P(match)) return Qnil;
     if (match->BEG(0) == -1) return Qnil;
-    return str_new(match->ptr+match->END(0),
-		   match->len-match->END(0));
+    return str_new(RSTRING(match->str)->ptr+match->END(0),
+		   RSTRING(match->str)->len-match->END(0));
 }
 
 VALUE
@@ -393,6 +440,57 @@ reg_match_last(match)
     return reg_nth_match(i, match);
 }
 
+static VALUE
+last_match_getter()
+{
+    return reg_last_match(backref_get());
+}
+
+static VALUE
+prematch_getter()
+{
+    return reg_match_pre(backref_get());
+}
+
+static VALUE
+postmatch_getter()
+{
+    return reg_match_post(backref_get());
+}
+
+static VALUE
+last_paren_match_getter()
+{
+    return reg_match_last(backref_get());
+}
+
+static VALUE
+match_to_a(match)
+    struct RMatch *match;
+{
+    struct re_registers *regs = match->regs;
+    VALUE ary = ary_new(regs->num_regs);
+    char *ptr = RSTRING(match->str)->ptr;
+    int i;
+
+    for (i=0; i<regs->num_regs; i++) {
+	if (regs->beg[0] == -1) ary_push(ary, Qnil);
+	else ary_push(ary, str_new(ptr+regs->beg[i],
+				   regs->end[i]-regs->beg[i]));
+    }
+    return ary;
+}
+
+static VALUE
+match_to_s(match)
+    struct RMatch *match;
+{
+    VALUE str = reg_last_match(match);
+
+    if (NIL_P(str)) return str_new(0,0);
+    return str;
+}
+
 void
 reg_free(rp)
 Regexp *rp;
@@ -405,35 +503,56 @@ Regexp *rp;
 VALUE cRegexp;
 
 static VALUE
-reg_new_1(class, s, len, ci)
+reg_new_1(class, s, len, flag)
     VALUE class;
     char *s;
-    int len, ci;
+    int len;
+    int flag;			/* CASEFOLD  = 0x1 */
+				/* CODE_NONE = 0x2 */
+				/* CODE_EUC  = 0x4 */
+				/* CODE_SJIS = 0x6 */
 {
     NEWOBJ(re, struct RRegexp);
     OBJSETUP(re, class, T_REGEXP);
 
-    re->ptr = make_regexp(s, len);
+    if (flag & 0x1) {
+	FL_SET(re, REG_IGNORECASE);
+    }
+    switch (flag & ~0x1) {
+      case 0:
+      default:
+	FL_SET(re, reg_kcode);
+	break;
+      case 2:
+	kcode_none(re);
+	break;
+      case 4:
+	kcode_euc(re);
+	break;
+      case 6:
+	kcode_sjis(re);
+	break;
+    }
+
+    kcode_set_option(re);
+    re->ptr = make_regexp(s, len, flag & 0x1);
     re->str = ALLOC_N(char, len+1);
     memcpy(re->str, s, len);
     re->str[len] = '\0';
     re->len = len;
 
-    FL_SET(re, reg_kcode);
-    if (ci) FL_SET(re, REG_IGNORECASE);
-
     return (VALUE)re;
 }
 
 VALUE
-reg_new(s, len, ci)
+reg_new(s, len, flag)
     char *s;
-    int len, ci;
+    int len, flag;
 {
-    return reg_new_1(cRegexp, s, len, ci);
+    return reg_new_1(cRegexp, s, len, flag);
 }
 
-int ign_cache;
+static int ign_cache;
 static VALUE reg_cache;
 
 VALUE
@@ -490,23 +609,39 @@ reg_s_new(argc, argv, self)
     VALUE self;
 {
     VALUE src;
-    int ci = 0;
+    int flag = 0;
 
-    if (argc == 0 || argc > 2) {
+    if (argc == 0 || argc > 3) {
 	ArgError("wrong # of argument");
     }
-    if (argc == 2 && argv[1]) {
-	ci = 1;
+    if (argc >= 2 && RTEST(argv[1])) {
+	flag = 1;
+    }
+    if (argc == 3) {
+	Check_Type(argv[2], T_STRING);
+	switch (RSTRING(argv[2])->ptr[0]) {
+	  case 'n': case 'N':
+	    flag |= 2;
+	    break;
+	  case 'e': case 'E':
+	    flag |= 4;
+	    break;
+	  case 's': case 'S':
+	    flag |= 6;
+	    break;
+	  default:
+	    break;
+	}
     }
 
     src = argv[0];
     switch (TYPE(src)) {
       case T_STRING:
-	return reg_new_1(self, RSTRING(src)->ptr, RSTRING(src)->len, ci);
+	return reg_new_1(self, RSTRING(src)->ptr, RSTRING(src)->len, flag);
 	break;
 
       case T_REGEXP:
-	return reg_new_1(self, RREGEXP(src)->str, RREGEXP(src)->len, ci);
+	return reg_new_1(self, RREGEXP(src)->str, RREGEXP(src)->len, flag);
 	break;
 
       default:
@@ -535,6 +670,7 @@ reg_s_quote(re, str)
       if (*s == '[' || *s == ']'
 	  || *s == '{' || *s == '}'
 	  || *s == '(' || *s == ')'
+	  || *s == '|'
 	  || *s == '*' || *s == '.' || *s == '\\'
 	  || *s == '?' || *s == '+'
 	  || *s == '^' || *s == '$') {
@@ -550,8 +686,20 @@ static VALUE
 reg_clone(re)
     struct RRegexp *re;
 {
-    int ci = FL_TEST(re, REG_IGNORECASE);
-    return reg_new_1(CLASS_OF(re), re->str, re->len, ci);
+    int flag = FL_TEST(re, REG_IGNORECASE);
+    if (FL_TEST(re, KCODE_FIXED)) {
+	switch (RBASIC(re)->flags & KCODE_MASK) {
+	  case KCODE_NONE:
+	    flag |= 2; break;
+	  case KCODE_EUC:
+	    flag |= 4; break;
+	  case KCODE_SJIS:
+	    flag |= 6; break;
+	  default:
+	    break;
+	}
+    }
+    return reg_new_1(CLASS_OF(re), re->str, re->len, flag);
 }
 
 VALUE
@@ -560,7 +708,8 @@ reg_regsub(str, src, regs)
     struct RString *src;
     struct re_registers *regs;
 {
-    VALUE val = Qnil;
+    VALUE val = 0;
+    VALUE tmp;
     char *p, *s, *e, c;
     int no;
 
@@ -571,39 +720,57 @@ reg_regsub(str, src, regs)
 	char *ss = s;
 
 	c = *s++;
-	if (c == '&')
+	if (c != '\\') continue;
+
+	if (!val) val = str_new(p, ss-p);
+	else      str_cat(val, p, ss-p);
+
+	c = *s++;
+	p = s;
+	switch (c) {
+	  case '0': case '1': case '2': case '3': case '4':
+	  case '5': case '6': case '7': case '8': case '9':
+	    no = c - '0';
+	    break;
+	  case '&':
 	    no = 0;
-	else if (c == '\\' && '0' <= *s && *s <= '9')
-	    no = *s++ - '0';
-	else
-	    no = -1;
+	    break;
 
-	if (no >= 0) {
-	    if (NIL_P(val)) {
-		val = str_new(p, ss-p);
-	    }
-	    else {
-		str_cat(val, p, ss-p);
-	    }
-	    p = s;
+	  case '`':
+	    str_cat(val, src->ptr, BEG(0));
+	    continue;
+
+	  case '\'':
+	    str_cat(val, src->ptr+END(0), src->len-END(0));
+	    continue;
+
+	  case '+':
+	    no = regs->num_regs-1;
+	    while (BEG(no) == -1 && no > 0) no--;
+	    if (no == 0) continue;
+	    break;
+
+	  case '\\':
+	    str_cat(val, s-1, 1);
+	    continue;
+
+	  default:
+	    str_cat(val, s-2, 2);
+	    continue;
 	}
 
-	if (no < 0) {   /* Ordinary character. */
-	    if (c == '\\' && (*s == '\\' || *s == '&'))
-		p = s++;
-	} else {
+	if (no >= 0) {
 	    if (BEG(no) == -1) continue;
 	    str_cat(val, src->ptr+BEG(no), END(no)-BEG(no));
 	}
     }
 
-    if (NIL_P(val)) return (VALUE)str;
     if (p < e) {
-	str_cat(val, p, e-p);
-    }
-    if (RSTRING(val)->len == 0) {
-	return (VALUE)str;
+	if (!val) val = str_new(p, e-p);
+	else      str_cat(val, p, e-p);
     }
+    if (!val) return (VALUE)str;
+
     return val;
 }
 
@@ -624,19 +791,18 @@ void
 rb_set_kcode(code)
     char *code;
 {
+    re_syntax_options &= ~RE_MBCTYPE_MASK;
     if (code == 0) goto set_no_conversion;
 
     switch (code[0]) {
       case 'E':
       case 'e':
 	reg_kcode = KCODE_EUC;
-	re_syntax_options &= ~RE_MBCTYPE_MASK;
 	re_syntax_options |= RE_MBCTYPE_EUC;
 	break;
       case 'S':
       case 's':
 	reg_kcode = KCODE_SJIS;
-	re_syntax_options &= ~RE_MBCTYPE_MASK;
 	re_syntax_options |= RE_MBCTYPE_SJIS;
 	break;
       default:
@@ -644,19 +810,17 @@ rb_set_kcode(code)
       case 'n':
       set_no_conversion:
 	reg_kcode = KCODE_NONE;
-	re_syntax_options &= ~RE_MBCTYPE_MASK;
 	break;
     }
     re_set_syntax(re_syntax_options);
 }
 
-static VALUE
+static void
 kcode_setter(val)
     struct RString *val;
 {
     Check_Type(val, T_STRING);
     rb_set_kcode(val->ptr);
-    return (VALUE)val;
 }
 
 static VALUE
@@ -667,12 +831,13 @@ match_getter()
 
 static void
 match_setter(val)
+    VALUE val;
 {
     Check_Type(val, T_MATCH);
     backref_set(val);
 }
 
-VALUE krn_to_s();
+VALUE any_to_s();
 
 void
 Init_Regexp()
@@ -684,6 +849,7 @@ Init_Regexp()
     re_set_syntax(RE_NO_BK_PARENS | RE_NO_BK_VBAR
 		  | RE_INTERVALS
 		  | RE_NO_BK_BRACES
+		  | RE_CONTEXTUAL_INVALID_OPS
 		  | RE_BACKSLASH_ESCAPE_IN_LISTS
 #ifdef DEFAULT_MBCTYPE
 		  | DEFAULT_MBCTYPE
@@ -691,9 +857,14 @@ Init_Regexp()
 );
 
     rb_define_virtual_variable("$~", match_getter, match_setter);
+    rb_define_virtual_variable("$&", last_match_getter, 0);
+    rb_define_virtual_variable("$`", prematch_getter, 0);
+    rb_define_virtual_variable("$'", postmatch_getter, 0);
+    rb_define_virtual_variable("$+", last_paren_match_getter, 0);
 
-    rb_define_variable("$=", &ignorecase, 0);
+    rb_define_variable("$=", &ignorecase);
     rb_define_virtual_variable("$KCODE", kcode_getter, kcode_setter);
+    rb_define_virtual_variable("$-K", kcode_getter, kcode_setter);
 
     cRegexp  = rb_define_class("Regexp", cObject);
     rb_define_singleton_method(cRegexp, "new", reg_s_new, -1);
@@ -711,5 +882,5 @@ Init_Regexp()
     cMatch  = rb_define_class("MatchingData", cData);
     rb_define_method(cMatch, "to_a", match_to_a, 0);
     rb_define_method(cMatch, "to_s", match_to_s, 0);
-    rb_define_method(cMatch, "inspect", krn_to_s, 0);
+    rb_define_method(cMatch, "inspect", any_to_s, 0);
 }