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3138 Commits

Author SHA1 Message Date
Yukihiro "Matz" Matsumoto 7552b9322a codegen.c: avoid integer overflow. 2021-09-05 09:25:44 +09:00
Yukihiro "Matz" Matsumoto 28c4f2f683 kernel.c: add __method__; ref #4468 2021-09-04 17:57:35 +09:00
KOBAYASHI Shuji 8a9f891fd3 Rename Kernel#__method__ to Kernel#__callee__ 
Because the current behavior of `__method__` is equivalent to `__callee__`.

Example:

  # example.rb
  def src
    __send__(ARGV[0])
  end
  alias dst src
  %w[src dst].each {|n| puts "call #{n} => #{__send__(n).inspect}"}

  Ruby:

    $ ruby example.rb __method__
    call src => :src
    call dst => :src

    $ ruby example.rb __callee__
    call src => :src
    call dst => :dst

  mruby:

    $ mruby example.rb __method__
    call src => :src
    call dst => :dst
 2021-09-04 16:17:06 +09:00
Stuart Hinson 2c167361d5 use gender-neutral pronouns 2021-08-31 19:17:49 -07:00
Yukihiro "Matz" Matsumoto 2c41739b66 mruby.h: obsolete mrb_to_str(). 
Replace them by `mrb_ensure_string_type()`.
 2021-09-01 07:00:55 +09:00
Yukihiro "Matz" Matsumoto 8c296a3818 object.c: remove `mrb_convert_to_integer()' function. 
And merged to `mrb_f_integer()` which is only usage of the function.
 2021-09-01 07:00:54 +09:00
Yukihiro "Matz" Matsumoto 37a7ff228b string-ext/string.c: implement casecmp in C. 
* should not raise error for non-string arguments
* avoid allocating case converted string internally
 2021-09-01 07:00:54 +09:00
Yukihiro "Matz" Matsumoto e86c9cb57c Do no use return values from mrb_ensure_ functions. 
They return the checking argument without modification, so the values
are already there. Maybe we should change the return type to `void` but
keep them unchanged for compatibility.
 2021-09-01 07:00:54 +09:00
Yukihiro "Matz" Matsumoto fdfa0caa46 boxing_word.h: rename configuration macro name. 
`MRB_WORDBOX_USE_HEAP_FLOAT` instead of `MRB_USE_FLOAT_FULL_PRECISION`.
 2021-08-26 16:06:01 +09:00
Yukihiro "Matz" Matsumoto 11cfe77eb1 Merge pull request #5537 from dearblue/header-files 
Organize the include of header files
 2021-08-23 07:34:37 +09:00
dearblue 5a57602860 Organize the include of header files 
- `#include <math.h>` is done in `mruby.h`.
  Eliminate the need to worry about the `MRB_NO_FLOAT` macro.

- Include mruby header files before standard header files.
  If the standard header file is already placed before `mruby.h`, the standard header file added in the future tends to be placed before `mruby.h`.

This change should some reduce the chances of macros that must be defined becoming undefined in C++ or including problematic header files in a particular mruby build configuration.
 2021-08-21 15:42:57 +09:00
dearblue 2121b6e689 Stirs internal state when seed is set in Random 
This is to avoid the approximation of `Random#rand` when `seed`s are close together.

For example, the first `#rand` values after doing `Random#srand(0)` and `Random#srand(1)` are very similar.

Below is the sequence of mruby before this patch was given a `seed` of `0...20`:

```console
% bin/mruby -e 'r = Random.new; 20.times { |i| r.srand(i); puts "seed=%2d  %s" % [i, 10.times.map { "%0.3f" % r.rand }.join(" ")] }'
seed= 0  0.643 0.585 0.198 0.732 0.087 0.605 0.548 0.468 0.573 0.966
seed= 1  0.643 0.585 0.198 0.607 0.370 0.605 0.633 0.593 0.395 0.439
seed= 2  0.643 0.585 0.197 0.981 0.652 0.730 0.875 0.713 0.529 0.269
seed= 3  0.643 0.585 0.198 0.857 0.934 0.730 0.960 0.216 0.286 0.523
seed= 4  0.643 0.585 0.197 0.231 0.217 0.605 0.959 0.958 0.478 0.482
seed= 5  0.643 0.585 0.197 0.106 0.249 0.605 0.044 0.330 0.925 0.047
seed= 6  0.643 0.585 0.197 0.481 0.781 0.731 0.285 0.960 0.804 0.725
seed= 7  0.643 0.585 0.197 0.356 0.813 0.731 0.370 0.711 0.937 0.448
seed= 8  0.643 0.585 0.198 0.732 0.329 0.108 0.243 0.974 0.766 0.936
seed= 9  0.643 0.585 0.198 0.607 0.611 0.108 0.827 0.102 0.962 0.597
seed=10  0.643 0.585 0.198 0.981 0.393 0.233 0.569 0.723 0.472 0.805
seed=11  0.643 0.585 0.198 0.857 0.676 0.233 0.154 0.222 0.603 0.371
seed=12  0.643 0.585 0.198 0.231 0.458 0.108 0.654 0.979 0.928 0.577
seed=13  0.643 0.585 0.198 0.106 0.490 0.108 0.239 0.355 0.749 0.831
seed=14  0.643 0.585 0.198 0.481 0.523 0.233 0.981 0.486 0.505 0.131
seed=15  0.643 0.585 0.198 0.356 0.555 0.234 0.565 0.233 0.011 0.666
seed=16  0.643 0.585 0.197 0.730 0.573 0.611 0.904 0.512 0.971 0.153
seed=17  0.643 0.585 0.197 0.605 0.855 0.611 0.240 0.636 0.041 0.509
seed=18  0.643 0.585 0.196 0.979 0.137 0.736 0.229 0.765 0.674 0.832
seed=19  0.643 0.585 0.197 0.855 0.420 0.736 0.566 0.268 0.183 0.219
```
 2021-08-21 15:37:12 +09:00
Yukihiro "Matz" Matsumoto 3b4c4caddc mruby-test/driver.c: change FLOAT_TOLERANCE bigger for inline floats. 2021-08-21 15:25:59 +09:00
Yukihiro "Matz" Matsumoto 20635e6bdc debug.c: export integer compressing functions. 
- mrb_packed_int_len()
- mrb_packed_int_encode()
- mrb_packed_int_decode()
 2021-08-18 17:18:04 +09:00
Yukihiro "Matz" Matsumoto 80cf293bf6 pack.c: rename pack/unpack functions for readability. 2021-08-17 13:04:11 +09:00
Yukihiro "Matz" Matsumoto 57b347088d fixup! pack.c: reduce dispatch in pack_unpack(). 2021-08-17 13:04:06 +09:00
Yukihiro "Matz" Matsumoto 4385590d31 pack.c: reduce dispatch in pack_unpack(). 2021-08-17 12:52:56 +09:00
Yukihiro "Matz" Matsumoto bfe2bd4960 pack.c: fix M packing bug. 2021-08-16 10:56:44 +09:00
Yukihiro "Matz" Matsumoto 40c4c5d344 random.c: use I specifier for mrb_get_args(); ref #5530 2021-08-14 15:28:38 +09:00
Yukihiro "Matz" Matsumoto 8e5e96239c pack.c: fixed a overwriting bug in pack_w and pack_M. 2021-08-14 14:58:09 +09:00
dearblue 01da5e1392 Check the class with I specifier of mrb_get_args() 
Previously, the `I` specifier only checked if the object was `MRB_TT_ISTRUCT`.
So it was at risk of getting pointers to different C structs if multiple classes were to use the `MRB_TT_ISTRUCT` instance.

Change this behavior and change the C argument corresponding to the `I` specifier to `(void *, struct RClass)`.

This change is not compatible with the previous mruby.
Please note that if the user uses the previous specifications, `SIGSEGV` may occur or the machine stack may be destroyed.

resolve #5527
 2021-08-13 15:04:19 +09:00
Yukihiro "Matz" Matsumoto 9e74aad43c codegen.c: fixed a bug in mrb_decode_insn(). 2021-08-13 12:38:10 +09:00
Yukihiro "Matz" Matsumoto 7907c184be codegen.c: add a comment that notice rewind_pc calling convention. 
`rewind_pc` should not be called when `s->pc` is `0` (top).
 2021-08-13 10:11:36 +09:00
Yukihiro "Matz" Matsumoto 9c3d305530 codegen.c: refactor mrb_last_insn(). 
Last commit made `mrb_decode_insn()` to take `NULL` as `pc`.
 2021-08-13 10:10:17 +09:00
Yukihiro "Matz" Matsumoto cbdc4f2c5c codegen.c: mrb_prev_pc can return NULL at the top of iseq. 2021-08-13 10:02:01 +09:00
Yukihiro "Matz" Matsumoto 013365498d test/eval.c: add test for #5528 2021-08-12 11:57:56 +09:00
Yukihiro "Matz" Matsumoto e1b170160b codegen.c: avoid signedness warning of int comparison. 2021-08-11 16:10:32 +09:00
Yukihiro "Matz" Matsumoto a85f2299c0 codegen.c: avoid cross initialization of mrb_insn_data. 2021-08-11 16:09:51 +09:00
Yukihiro "Matz" Matsumoto b1b9b157f8 codegen.c: more peephole optimization. 
`a=10; a+=1` to generate:

```
    1 000 OP_LOADI      R1      11              ; R1:a
```

instead of:

```
    1 000 OP_LOADI      R1      10              ; R1:a
    1 003 OP_MOVE       R2      R1              ; R1:a
    1 006 OP_ADDI       R2      1
    1 009 OP_MOVE       R1      R2              ; R1:a
```
 2021-08-11 10:48:18 +09:00
dearblue 18ef4e35f3 Fixed compilation error of "mruby-pack" with MRB_NO_STDIO 2021-08-07 14:29:55 +09:00
Yukihiro "Matz" Matsumoto 06f49b3f84 codegen.c: need to push the value when the loop was eliminated. 2021-08-07 12:11:38 +09:00
Yukihiro "Matz" Matsumoto 46a1c40fe3 numeric_ext.c: fix a bug regarding MRB_INT_MIN. 2021-08-06 11:16:12 +09:00
Yukihiro "Matz" Matsumoto 37dbb91b96 codegen.c: -9223372036854775808 % -1 overflows 64 bit integer. 2021-08-06 10:35:06 +09:00
Yukihiro "Matz" Matsumoto 7ecc16f97a codegen.c: remove code duplication from NODE_ARRAY. 2021-08-05 16:59:32 +09:00
Yukihiro "Matz" Matsumoto 9cb44f5ae3 codegen.c: detect integer overflow in division. 
`MRB_INT_MIN / -1` overflows.
 2021-08-04 12:25:14 +09:00
Yukihiro "Matz" Matsumoto caaa07f2da codegen.c: check zero division before constant folding. 2021-08-03 16:43:50 +09:00
Yukihiro "Matz" Matsumoto c480ac4457 numeric_ext.c: modulo and remainder should handle infinite argument. 2021-08-03 16:35:31 +09:00
Yukihiro "Matz" Matsumoto e75572af6a numeric_ext.c: add Float#modulo and #remainder methods. 2021-08-03 16:30:47 +09:00
Yukihiro "Matz" Matsumoto f4afcbef67 numeric_ext.c: update Integer#remainder method. 
- need to detect zero division error
- support floating point number argument (as `%`)
 2021-08-03 16:28:11 +09:00
Yukihiro "Matz" Matsumoto 2092bc7fe8 codegen.c: avoid division by zero in constant folding. 2021-08-03 15:57:01 +09:00
Yukihiro "Matz" Matsumoto fad47a98a7 numeric_ext.c: use mrb_integer instead of mrb_as_int. 
`mrb_as_int` implicitly converts the value into the integer, but those
methods are defined for Integer class so that the value should always be
integers.
 2021-08-03 13:15:34 +09:00
Yukihiro "Matz" Matsumoto df6ef39d1c numeric_ext.c: define modulo and remainder methods for Integer. 2021-08-03 13:13:42 +09:00
Yukihiro "Matz" Matsumoto 019b006ee5 numeric_ext.c: remove unnecessary prefix mrb_ from static functions. 2021-08-03 10:33:04 +09:00
Yukihiro "Matz" Matsumoto 4fa24e4ff9 codegen.c: allow constant folding for negative integer modulo. 2021-08-02 16:48:16 +09:00
Yukihiro "Matz" Matsumoto 504d05232d mrdb.c: do not skip OP_JMP on step execution. 2021-08-02 16:19:08 +09:00
Yukihiro "Matz" Matsumoto e93642d53f codegen.c: refactor readint() to read MRB_INT_MIN. 2021-08-02 14:10:38 +09:00
Yukihiro "Matz" Matsumoto a5ac9c8790 test/driver.c: remove unused constants related to FIXNUM. 2021-08-02 08:56:38 +09:00
Yukihiro "Matz" Matsumoto 9902ab50fc codegen.c: fix a bug in bit shift constant folding. 2021-08-02 08:53:50 +09:00
Yukihiro "Matz" Matsumoto 907df715ef codegen.c: refactor unary operator optimization. 2021-08-02 08:51:39 +09:00
Yukihiro "Matz" Matsumoto 188c150f44 codegen.c: constant folding binary operators, <<, >>, %, &, |, ^. 2021-08-02 07:34:54 +09:00