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78 Коммитов

Автор SHA1 Сообщение Дата
nobu 00befb4b3f * encoding.c (rb_enc_compatible): check if two objects have compatible 
encodings.

* encoding.c (enc_compatible_p): added Encoding.compatible?.

* include/ruby/encoding.h (rb_enc_compatible): prototype.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13750 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-22 01:57:08 +00:00
nobu b2c81746ac * encoding.c (rb_enc_default, rb_enc_primary): return pointers to 
rb_encoding of default and primary respectively.  [ruby-core:12795]

* encoding.c (set_primary_encoding): removed primary_encoding setter.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13746 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-21 09:29:19 +00:00
matz fada885be6 * range.c (range_first): takes first n element if argument is 
given.  [ruby-core:12697]

* range.c (range_last): returns last n elements if argument is
  given.

* array.c (rb_ary_subseq, rb_ary_last): export.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13736 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-18 06:58:35 +00:00
nobu 3cd040b6ef * encoding.c (rb_primary_encoding): added Encoding.primary_encoding. 
* parse.y (rb_parser_encoding): added.

* ruby.c (proc_options): added -E and --encoding options.

* ruby.c (process_options): set primary encoding from command line
  option if set, or source encoding.

* include/ruby/encoding.h (rb_enc_from_encoding,
  rb_get_primary_encoding, rb_set_primary_encoding): prototypes.

* include/ruby/node.h (rb_parser_encoding): prototype.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13729 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-16 20:07:20 +00:00
nobu 9c24fed339 * encoding.c (rb_cEncoding): new Encoding class. 
* encoding.c (rb_to_encoding, rb_to_encoding_index): helper functions.

* encoding.c (rb_obj_encoding): return Encoding object now.

* gc.c (garbage_collect): mark Encoding objects.

* string.c (rb_str_force_encoding): accept Encoding object as well as
  encoding name.

* include/ruby/encoding.h (rb_to_encoding_index, rb_to_encoding):
  prototypes.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13692 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-13 16:32:40 +00:00
matz 9bcbd08b0b * include/ruby/node.h (NOEX_LOCAL): remove unused local visibility. 
* class.c (ins_methods_push): ditto.

* class.c (rb_class_local_methods): method removed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13680 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-11 13:20:14 +00:00
matz 5fc7312d1b * include/ruby/oniguruma.h (OnigEncodingTypeST): add OnigEncoding 
parameter to every function members.

* include/ruby/oniguruma.h (OnigEncodingTypeST): add auxiliary
  data member to provide user defined data for an encoding.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13674 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-10 15:05:32 +00:00
akr a6e5b6d660 * include/ruby/node.h: make node flags as VALUE type. 
enum ruby_node_flags removed.

* ruby.c: define RUBY_NODE_* as const for gdb.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13653 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-07 13:03:05 +00:00
akr 775eece15a refined again. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13651 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-07 10:41:23 +00:00
akr fe1ecef302 refine previous change. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13650 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-07 10:18:09 +00:00
akr c2115fe8f4 * include/ruby/ruby.h: enum ruby_value_flags removed. 
* ruby.c: define RUBY_FL_* as const VALUE for gdb.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13649 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-07 09:58:26 +00:00
nobu 6845578c92 * insns.def (opt_eq): get rid of gcc bug. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13641 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-06 05:32:37 +00:00
matz bd00bb3ef7 * include/ruby/defines.h: no longer provide DEFAULT_KCODE. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13640 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-05 17:39:59 +00:00
matz c953283d7e revert rb_memcmp() change to pacify GCC optimizer 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13623 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-04 09:54:53 +00:00
matz 1677425e9d * re.c (rb_memcmp): no longer useful without ruby_ignorecase. 
* re.c (rb_reg_prepare_re): revert recompile condition.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13622 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-04 09:24:00 +00:00
matz 1c9a2e1154 * re.c (kcode_setter): Perl-ish global variable `$=' no longer 
effective.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13616 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-04 07:31:50 +00:00
nobu 19dee8af57 * encoding.c (rb_obj_encoding): returns encoding of the given object. 
* re.c (Init_Regexp): new method Regexp#encoding.

* string.c (str_encoding): moved to encoding.c


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13613 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-10-04 06:57:19 +00:00
nobu eb64f5de06 * string.c (rb_str_append): always set encoding, and coderange 
cache bits.

* include/ruby/encoding.h (ENC_CODERANGE_SET): fixed a bug not to
  set chache bits.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13578 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-30 08:13:28 +00:00
nobu 400202f6a5 * main.c (main): use platform-independent per-process initialization. 
[ruby-dev:31900]

* ruby.c (ruby_sysinit): new function for per-process initialization.

* include/ruby/ruby.h (RUBY_GLOBAL_SETUP): toplevel setup declaration.

* include/ruby/win32.h, win32/mkexports.rb: alias NtInitialize
  ruby_sysinit.

* win32/win32.c (rb_w32_sysinit): renamed from NtInitialize.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13569 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-29 08:45:24 +00:00
nobu affcfc9e7a * include/ruby/win32.h (strcasecmp): needed for type_strcasehash. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13561 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-28 23:57:17 +00:00
nobu 29621688c7 * io.c (rb_io_fdopen): create IO object from fd. 
* parse.y (yycompile): use encoding of the source as default.

* ruby.c (proc_options, load_file): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-28 20:29:32 +00:00
nobu c351afc372 * encoding.c (rb_enc_alias): allow encodings multiple aliases. 
* encoding.c (rb_enc_find_index): search the encoding which has the
  given name and return its index if found, or -1.

* st.c (type_strcasehash): case-insensitive string hash type.

* string.c (rb_str_force_encoding): force encoding of self.  this name
  comes from [ruby-dev:31894] by Martin Duerst.  [ruby-dev:31744]

* include/ruby/encoding.h (rb_enc_find_index, rb_enc_associate_index):
  prototyped.

* include/ruby/encoding.h (rb_enc_isctype): direct interface to ctype.

* include/ruby/st.h (st_init_strcasetable): prototyped.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13556 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-28 19:27:10 +00:00
akr d6c43c45ea rb_classext_t member order exchanged to 
make frequently accessed member at first.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13549 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-28 11:57:30 +00:00
akr 5c0e68c39c * include/ruby/intern.h: export rb_ivar_foreach. 
* include/ruby/ruby.h: modify struct RObject and RClass for optimizing
  T_OBJECT space.  [ruby-dev:31853]
  (ROBJECT_LEN, ROBJECT_PTR)
  (RCLASS_IV_TBL, RCLASS_M_TBL, RCLASS_SUPER, RCLASS_IV_INDEX_TBL)
  (RMODULE_IV_TBL, RMODULE_M_TBL, RMODULE_SUPER): abstract accessor
  defined.

* variable.c: support the modified RObject and RClass.

* object.c: ditto.

* class.c: ditto.

* gc.c: ditto.

* marshal.c: ditto.

* eval_method.ci: use the abstract accessor.

* insns.def: ditto.

* proc.c: ditto.

* struct.c: ditto.

* eval.c: ditto.

* error.c: ditto.

* vm.c: ditto.

* insnhelper.ci: ditto.

* ext/digest/digest.c: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13543 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-28 06:21:46 +00:00
nobu e41b84895e * encoding.c (rb_enc_associate_index): deal with ASCII compatible 
flags.

* encoding.c (rb_enc_check): allow ASCII compatible strings.

* parse.y (rb_intern_str): use ASCII encoding for ASCII string.

* string.c (rb_enc_str_coderange): check for code-range.

* string.c (rb_str_modify): clear code-range flags.

* string.c (rb_str_hash, rb_str_eql): ASCII compatible strings are
  comparable.

* include/ruby/encoding.h: added code-range flags.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13529 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-26 19:46:58 +00:00
nobu b416cc6f3f * gc.c (rb_mark_set): new function to mark keys. 
* marshal.c (struct dump_arg, struct load_arg): added wrappers to mark
  data and compat_tbl entries.  [ruby-dev:31870]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13528 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-26 19:40:49 +00:00
nobu 94a0db11e7 * encoding.c (rb_enc_check): check for ASCII-compatibilities. 
* parse.y (parser_tokadd_string, parser_parse_string,
  parser_here_document, parser_yylex): set encoding to US-ASCII.

* parse.y (rb_enc_symname_p): check if valid with encoding.

* parse.y (rb_intern3): let symbols have encoding.

* string.c (rb_str_hash): add encoding index.

* string.c (rb_str_comparable, rb_str_equal, rb_str_eql): check if
  compatible encoding.

* string.c (sym_inspect): made encoding aware.

* insns.def (opt_eq): compare with encoding.

* include/ruby/encoding.h (rb_enc_asciicompat): check if ASCII
  compatible.

* include/ruby/encoding.h (rb_enc_get_index): added prototype.

* include/ruby/intern.h (rb_str_comparable, rb_str_equal): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13518 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-26 09:39:08 +00:00
akr a8b4677b14 * marshal.c (r_object0): don't call user-defined initialize for 
T_STRUCT objects.

* include/ruby/intern.h (rb_struct_initialize): declared.

* struct.c (rb_struct_initialize): export.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13416 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-08 16:19:13 +00:00
akr 2a37152f3f * eval_method.ci (rb_get_alloc_func): new function to get allocation 
function.

* include/ruby/intern.h (rb_alloc_func_t): declared.
  (rb_define_alloc_func): declared.
  (rb_marshal_define_compat): declared.

* range.c: use T_STRUCT for Range.

* inits.c: move Init_marshal() prior to Init_Range() because
  Init_Range calls rb_marshal_define_compat which needs
  marshal's compat_allocator_tbl initialized.

* marshal.c: support marshal format compatibility layer designed for
  marshaling T_STRUCT Range using T_OBJECT format.
  (rb_marshal_define_compat): defined.

[ruby-dev:31710]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13413 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-08 15:07:18 +00:00
matz edd7c787ad * array.c (rb_ary_cycle): typo in rdoc. a patch from Yugui 
<yugui@yugui.sakura.ne.jp>.  [ruby-dev:31748]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13348 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-06 12:33:45 +00:00
nobu 629b1e4324 * string.c (rb_str_succ, rb_str_chop_bang, rb_str_chop): m17n support. 
[ruby-dev:31734]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13347 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-06 03:42:12 +00:00
akr 15c8e4618b * include/ruby/st.h (struct st_table): make num_entries bitfield 
instead of num_bins for speed.  num_entries has less access.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13339 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-02 14:40:47 +00:00
akr 2c8e7a50c1 * include/ruby/ruby.h (struct RBignum): embed digits in RBignum for 
small bignums.

* bignum.c: RBignum embeded digits implemented.

* include/ruby/intern.h: declare rb_big_resize.

* gc.c: don't free embedded digits.

* numeric.c: replace direct bignum field accessor by abstract field
  accessor such as RBIGNUM(val)->sign to RBIGNUM_SIGN(val).

* sprintf.c: ditto.

* compar.c: ditto.

* marshal.c: ditto.

* random.c: ditto.

* .gdbinit: support embedded small bignums.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13330 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-01 12:02:36 +00:00
nobu ec2beed3b2 * include/ruby/st.h (rb_index_t): use st_data_t for the platforms it 
is larger than int.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13327 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-01 05:24:25 +00:00
nobu d4cbf95002 * st.c (st_numcmp, st_numhash): use st_data_t instead of long, because 
the former may be larger than the latter.

* include/ruby/st.h (CHAR_BIT): get rid of magic number.

* include/ruby/st.h (struct st_table): num_entries never exceed
  num_bins.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13326 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-09-01 02:14:40 +00:00
akr b39e00d39d fix comment. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13324 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-31 07:20:38 +00:00
akr c8b8b7438e add comment. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13314 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-30 01:54:51 +00:00
akr eee95e67b9 enclose RHASH_XXX macros by parenthesis. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13310 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-29 23:16:55 +00:00
akr 2a4c4f7b0c * include/ruby/intern.h: declare rb_hash_tbl. 
* include/ruby/ruby.h (RHash): delay st_table allocation.
  rename tbl field to ntbl to detect direct reference to the st_table
  as a compile error.
  (RHASH_TBL): abstract accessor defined.
  (RHASH_ITER_LEV): ditto.
  (RHASH_IFNONE): ditto.
  (RHASH_SIZE): ditto.
  (RHASH_EMPTY_P): ditto.

* hash.c: delay st_table allocation.

* gc.c: replace tbl by ntbl.

* array.c: replace direct field accessor by abstract field accessor
  such as RHASH(hash)->tbl to RHASH_TBL(hash).

* marshal.c: ditto.

* insns.def: ditto.

* ext/iconv/iconv.c: ditto.

* ext/json/ext/generator/generator.c: ditto.

* ext/json/ext/parser/parser.c: ditto.

* ext/syck/rubyext.c: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13309 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-29 23:12:21 +00:00
matz 3d7f8c2320 * string.c (str_gsub): should not use mbclen2() which has broken API. 
* re.c: remove rb_reg_mbclen2().

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13308 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-29 19:16:02 +00:00
akr 167358d000 * include/ruby/st.h (struct st_table): add entries_packed 1-bit 
bitfield.  decrease num_bins 1-bit.

* st.c: pack numhash which have 5 or less entries in bins.
  (st_init_table_with_size): setup entries_packed flag.
  (st_clear): support packed mode.
  (st_lookup): ditto.
  (st_insert): ditto.
  (st_add_direct): ditto.
  (st_copy): ditto.
  (st_delete): ditto.
  (st_foreach): ditto.
  (st_reverse_foreach): ditto.
  (unpack_entries): new function for converting to unpacked mode.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-29 02:36:54 +00:00
matz 3783246a2e * include/ruby/defines.h (flush_register_windows): call "ta 0x03" 
even on Linux/Sparc.  [ruby-dev:31674]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-29 02:15:03 +00:00
matz 51b4cc11d1 * string.c (rb_str_subseq): retrieve substring based on byte offset. 
* string.c (rb_str_rindex_m): was confusing character offset and
  byte offset.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13295 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-28 06:45:32 +00:00
ko1 6244e502cc * thread.c: fix Mutex to be interruptable lock. 
* thread_win32.ci, thread_win32.h, thread_pthread.ci, thread_pthread.h:
  prepare native_cond_*() which are based on pthread_cond_*() spec.
* prelude.rb: fix Mutex#synchronize method.
* vm_core.h, include/ruby/intern.h: change unblock function interface
  (to pass some user data).
* file.c, process.c: ditto.
* benchmark/bm_vm2_mutex.rb: add a benchmark for mutex.
* benchmark/bm_vm3_thread_mutex.rb: add a benchmark for mutex
  with contension.
* benchmark/run.rb: fix to remove ENV['RUBYLIB'] for matzruby.
* test/ruby/test_thread.rb: add a test.
* common.mk: fix benchmark options.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13290 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-27 16:48:14 +00:00
matz 4461bd2f1f * encoding.c (rb_enc_codelen): raises invalid sequence exception 
if ONIGENC_CODE_TO_MBCLEN() returns zero.  [ruby-dev:31661]

* encoding.c (rb_enc_mbclen): check invalid sequence.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13287 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-27 13:48:09 +00:00
matz 1ba65ebfe9 * include/ruby/encoding.h: remove unused rb_enc_ismbchar(). 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-25 15:27:08 +00:00
ko1 5ba27573a0 * string.c, include/ruby/intern.h: export rb_str_length(). 
* insns.def: use rb_str_lengt() in opt_length.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13271 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-25 08:54:29 +00:00
nobu 2d888a8f33 * include/ruby/encoding.h (rb_enc_str_new): prototype added. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13269 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-25 08:05:08 +00:00
matz 000b6e22f4 include/ruby/encoding.h: added. 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13264 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-25 04:14:26 +00:00
matz a25fbe3b3e * encoding.c: provide basic features for M17N. 
* parse.y: encoding aware parsing.

* parse.y (pragma_encoding): encoding specification pragma.

* parse.y (rb_intern3): encoding specified symbols.

* string.c (rb_str_length): length based on characters.  
  for older behavior, bytesize method added.

* string.c (rb_str_index_m): index based on characters.  rindex as
  well.

* string.c (succ_char): encoding aware succeeding string.

* string.c (rb_str_reverse): reverse based on characters.

* string.c (rb_str_inspect): encoding aware string description.

* string.c (rb_str_upcase_bang): encoding aware case conversion.
  downcase, capitalize, swapcase as well.

* string.c (rb_str_tr_bang): tr based on characters.  delete,
  squeeze, tr_s, count as well.

* string.c (rb_str_split_m): split based on characters.

* string.c (rb_str_each_line): encoding aware each_line.

* string.c (rb_str_each_char): added.  iteration based on
  characters.

* string.c (rb_str_strip_bang): encoding aware whitespace
  stripping.  lstrip, rstrip as well.

* string.c (rb_str_justify): encoding aware justifying (ljust,
  rjust, center).

* string.c (str_encoding): get encoding attribute from a string. 

* re.c (rb_reg_initialize): encoding aware regular expression

* sprintf.c (rb_str_format): formatting (i.e. length count) based
  on characters.

* io.c (rb_io_getc): getc to return one-character string.
  for older behavior, getbyte method added.

* ext/stringio/stringio.c (strio_getc): ditto.

* io.c (rb_io_ungetc): allow pushing arbitrary string at the
  current reading point.

* ext/stringio/stringio.c (strio_ungetc): ditto.

* ext/strscan/strscan.c: encoding support.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13261 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2007-08-25 03:29:39 +00:00