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466 Commits

Author SHA1 Message Date
KOBAYASHI Shuji 59844ddde0 Remove unneeded #include in src/string.c 2019-08-15 12:18:33 +09:00
KOBAYASHI Shuji af6724c2f6 Extract initialization code of shared and fshared string to function 2019-08-14 22:20:34 +09:00
Yukihiro "Matz" Matsumoto 8ed15fd92e Small refactoring on #4630 2019-08-14 12:20:40 +09:00
KOBAYASHI Shuji 7af0ee099d Extract struct RString initialization code to function 2019-08-13 22:40:30 +09:00
Yukihiro "Matz" Matsumoto ad0b546088 Merge pull request #4626 from shuujii/mrb_str_modify_keep_ascii-can-embed-one-more-byte 
`mrb_str_modify_keep_ascii` can embed one more byte
 2019-08-12 17:09:21 +09:00
Yukihiro "Matz" Matsumoto 285ce9d8aa Replacing region may overwrap with the target region; fix #4627 2019-08-12 16:51:01 +09:00
Yukihiro "Matz" Matsumoto 70b53f91c2 Add NUL always to short strings; ref 98fc887 2019-08-11 22:14:56 +09:00
KOBAYASHI Shuji 450684ab33 mrb_str_modify_keep_ascii can embed one more byte 
The condition to make an embedded string was incorrect. Because there were
several similar codes, extracted into `RSTR_EMBEDDABLE_P` macro.
 2019-08-11 20:48:37 +09:00
Yukihiro "Matz" Matsumoto b377b7d580 Update mrb_to_str and related functions. 
Contrary to the name, `mrb_to_str` just checks type, no conversion.
 2019-08-07 16:20:40 +09:00
Yukihiro "Matz" Matsumoto 98fc887cb3 Reorganize mrb_string_value_cstr and related functions. 
`mrb_string_value_cstr` and `mrb_string_value_len`: obsolete
`mrb_string_cstr`: new function to retrieve NULL terminated C string
`RSTRING_CSTR`: wrapper macro of `mrb_string_cstr`
 2019-08-07 15:52:10 +09:00
KOBAYASHI Shuji 334afb167c Use new specifiers/modifiers of mrb_vfromat() 
The binary sizes (gems are only `mruby-bin-mruby`) are reduced slightly in
my environment than before the introduction of new specifiers/modifiers
(5116789a) with this change.

  ------------+-------------------+-------------------+--------
   BINARY     | BEFORE (5116789a) |   AFTER (This PR) |  RATIO
  ------------+-------------------+-------------------+--------
   mruby      |      593416 bytes |      593208 bytes | -0.04%
   libmruby.a |      769048 bytes |      767264 bytes | -0.23%
  ------------+-------------------+-------------------+--------

BTW, I accidentally changed `tasks/toolchains/visualcpp.rake` at #4613,
so I put it back.
 2019-08-05 13:18:50 +09:00
KOBAYASHI Shuji fe8b463c4e Set MRB_STR_ASCII flag in String#inspect 
`String#inspect` can set `MRB_STR_ASCII` flag to receiver and return value
because it checks character byte length.
 2019-07-22 19:39:25 +09:00
Yukihiro "Matz" Matsumoto b22bde6596 Avoid MRB_INLINE for mrb_str_modify(); ref #4579 
Functions that are called infrequently need not to be inline.
 2019-07-17 10:36:10 +09:00
KOBAYASHI Shuji 31492a177c Copy receiver's MRB_STR_ASCII flag in some methods of String 2019-07-16 21:56:58 +09:00
Yukihiro "Matz" Matsumoto d7f9d71ea5 Merge pull request #4579 from shuujii/keep-MRB_STR_ASCII-flag-in-some-methods-of-String 
Keep `MRB_STR_ASCII` flag in some methods of `String`
 2019-07-16 06:35:12 +09:00
KOBAYASHI Shuji 9093f3403f Add MRB_API to mrb_str_modify_keep_ascii() 2019-07-15 07:43:46 +09:00
KOBAYASHI Shuji 380805ece2 Keep MRB_STR_ASCII flag in some methods of String 2019-07-14 19:13:19 +09:00
dearblue 7b260d9c2d Improve utf8len() performance with UTF-8 2019-07-14 18:55:38 +09:00
Yukihiro "Matz" Matsumoto 9741df100b Change type of a variable for signedness mismatch; ref #4573 2019-07-13 13:13:21 +09:00
dearblue bde2f35a9f Fix heap buffer overflow; fix #4569 2019-07-12 21:23:55 +09:00
dearblue 8c0d9ba1a3 Improve performance String#index with UTF-8 
Based on Boyer-Moore-Horspool algorithm (Quick Search algorithm).

As a side effect, the correct position is returned even if an invalid UTF-8
string is given.

```console
% ./mruby@master -e 'p ("\xd1" * 100 + "#").index("#")'
50
% ./mruby@improve-index -e 'p ("\xd1" * 100 + "#").index("#")'
100
```

The other behavior should be the same as the current implementation.
 2019-07-11 22:09:15 +09:00
KOBAYASHI Shuji 80f78ca196 Remove an unused argument of str_with_class() 2019-07-10 21:53:17 +09:00
KOBAYASHI Shuji f9bf2d9d8e Read/write MRB_STR_ASCII flag only when MRB_UTF8_STRING is defined 2019-07-05 22:19:31 +09:00
Yukihiro "Matz" Matsumoto 991bdd4ed7 Rename MRB_STR_NO_UTF to 'MRB_STR_ASCII`; close #4550 
In #4550, @shuuji proposed the name name `MRB_STR_NO_MULTI_BYTE` for
more precise description. Although I agree that the name name is
correct, but the flag means the string does not contain multi byte UTF-8
characters, i.e. all characters fit in the range of ASCII.
 2019-07-04 23:07:18 +09:00
dearblue 2bb30481b6 Fix heap buffer overflow; ref #4549 
This patch is showed in #4549.
 2019-07-04 21:49:07 +09:00
dearblue 0ad1cacff3 Simplify mrb_str_aref_m() and mrb_str_aref() 
It is integration with part of argument parsing used in `mrb_str_aset_m()`.
 2019-06-29 14:41:43 +09:00
dearblue 0d452073f4 Replace String#[]= method by C implements 
The purpose is to eliminate string objects that are temporarily created during processing.
 2019-06-29 14:41:43 +09:00
KOBAYASHI Shuji 28c510cf41 Silence unused label warnings from gcc; ref #4524 
mruby/mruby/src/string.c:1722:4: warning: label 'bytes' defined but not used [-Wunused-label]
      bytes:
      ^~~~~
 2019-06-26 15:38:20 +09:00
Yukihiro "Matz" Matsumoto 014f928229 Merge pull request #4524 from dearblue/reverse-utf8 
Change to UTF-8 string reversing with in place
 2019-06-26 13:22:42 +09:00
Yukihiro "Matz" Matsumoto 84779f0170 Merge pull request #4532 from shuujii/fix-String-byteslice-with-MRB_UTF8_STRING-and-some-edge-cases 
Fix `String#byteslice` with `MRB_UTF8_STRING` and some edge cases
 2019-06-26 12:41:56 +09:00
KOBAYASHI Shuji 75df13a973 Fix String#byteslice with MRB_UTF8_STRING and some edge cases 
Example:

  $ bin/mruby -e '
    p "あa".byteslice(1)
    p "bar".byteslice(3)
    p "bar".byteslice(4..0)
  '

  Before this patch:

    "a"
    ""
    RangeError (4..0 out of range)

  After this patch (same as Ruby):

    "\x81"
    nil
    nil
 2019-06-25 23:09:23 +09:00
Yukihiro "Matz" Matsumoto dc21024ec7 Fix mrb_str_to_str() to handle symbols. 2019-06-25 18:07:48 +09:00
dearblue 11e09dc5db Fix the unnecessary mrb_str_modify() call 
Now to be calls `mrb_str_modify()` only once when 2 or more characters.
 2019-06-22 23:09:36 +09:00
dearblue ec03e3f54a Delete the unnecessary block brace in mrb_str_reverse_bang 2019-06-22 23:02:29 +09:00
dearblue 567075aab9 Fix string brakes for one UTF-8 charactor 2019-06-22 22:58:18 +09:00
dearblue bd2c93c2df Change to UTF-8 string reversing with in place 
Reverses UTF-8 strings without allocated heap for working memory.

 1. String before reversing:
    ```
    "!yburmの界世"
    # byte unit
    [33, 121, 98, 117, 114, 109, 227, 129, 174, 231, 149, 140, 228, 184, 150]
    ```
 2. Reverse the byte order of each character:
    ```
    [33, 121, 98, 117, 114, 109, 174, 129, 227, 140, 149, 231, 150, 184, 228]
    ```
 3. Reverse the whole byte order and complete:
    ```
    [228, 184, 150, 231, 149, 140, 227, 129, 174, 109, 114, 117, 98, 121, 33]
    # string
    "世界のmruby!"
    ```
 2019-06-22 22:36:58 +09:00
dearblue 7c6d6effae Replacement to function for string reversing 2019-06-22 22:36:58 +09:00
dearblue 7583539029 Fix potential overflow in utf8len() 
For example on 32 bit mode, when `p = 0xfffffffd`, `e = 0xfffffffe`
and `len = 4`, the sum of `p` and `len` can be to `1`, and comparison
with `e` will to be false.

As a result, a segmentation fault occurs by referring to address 0.
 2019-06-22 18:16:38 +09:00
dearblue ecfca8def7 Fix double rounded by negative index 
- Before patched:
  ```
  $ mruby -e 'p (-12..-1).map { |i| "Hello"[i] }.join'
  "HelloHello"
  ```
- After patched:
  ```
  $ mruby -e 'p (-12..-1).map { |i| "Hello"[i] }.join'
  "Hello"
  ```
 2019-05-25 22:43:07 +09:00
dearblue 56e0e1934d Name the return value of mrb_range_beg_len() 2019-05-25 12:12:21 +09:00
KOBAYASHI Shuji 1975dedb21 Use mrb_string_value_cstr in mrb_str_to_dbl 2019-05-08 20:35:03 +09:00
KOBAYASHI Shuji 35943e7beb Refactor mrb_str_to_cstr and mrb_string_value_cstr 
- Extract null byte check to function.
- Avoid string allocation if null byte is included.
- Use `str_new` instead of `mrb_str_dup` + `mrb_str_modify`
 2019-05-07 23:01:13 +09:00
Yukihiro "Matz" Matsumoto 8c8e6e25ad Merge pull request #4417 from shuujii/unify-overflow-error-class-for-conversion-to-integer-to-RangeError 
Unify overflow error class for conversion to integer to `RangeError`
 2019-05-02 23:05:13 +09:00
KOBAYASHI Shuji 95a92d35c8 Unify overflow error class for conversion to integer to RangeError 2019-05-02 20:45:31 +09:00
KOBAYASHI Shuji 1a8f6e70b5 Remove unneeded argc check in mrb_str_aref_m() 2019-05-01 15:04:08 +09:00
Yukihiro "Matz" Matsumoto 0c5f26e0ff Remove unnecessary mrb_regexp_check() and related functions. 2019-04-24 11:43:05 +09:00
KOBAYASHI Shuji e3beef065c Extract frozen checking to function 2019-04-09 18:23:11 +09:00
Yukihiro "Matz" Matsumoto c2660b8111 Fix missing MRB_API prefix for functions below; clse #4267 
Functions to add prototypes to headers:
* mrb_ary_splice()
* mrb_notimplement()
* mrb_vformat()
* mrb_cstr_to_dbl()
* mrb_cstr_to_inum()

Functions to be made `static` (`MRB_API` was not needed):
* mrb_mod_module_function()
* mrb_obj_hash()
* mrb_str_len_to_inum()

Functions to remove `MRB_API` from definitions (referenced from within `libmruby`):
* mrb_mod_cv_defined()
* mrb_mod_cv_get()
* mrb_f_send()
 2019-03-26 10:23:52 +09:00
Yukihiro "Matz" Matsumoto a5a6b51126 Use uppercase version of ctype macros e.g. ISSPACE; fix #4338 2019-03-25 22:05:31 +09:00
Yukihiro "Matz" Matsumoto 905fef2669 Reduce invocation of mrb_convert_type() from mrb_str_to_str(). 2019-02-06 22:07:11 +09:00