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2887 Commits

Author SHA1 Message Date
Go Saito 42d23084b7 fix pointer dereference after realloc 
In src/vm.c: mrb_funcall_with_block
stack_extend may realloc mrb->c->stbase, if argv points on mruby's stack,
then it points invalid address after stack_extend.

e.g. src/class.c: mrb_instance_new

This code:

```ruby
class A
  def initialize(a0,a1,a2,a3,a4)
    a0.is_a? Array
  end
end

def f(a0,a1,a2,a3,a4)
  A.new(a0,a1,a2,a3,a4)
  f(a0,a1,a2,a3,a4)
end

f(0,1,2,3,4)
```

is expected to get exception
```
stack level too deep. (limit=(0x40000 - 128)) (SystemStackError)
```

but get segfault.

Signed-off-by: Go Saito <gos@iij.ad.jp>
 2015-02-23 11:25:21 +09:00
Yukihiro "Matz" Matsumoto 9248cdd6cc silence warnings in fmt_fp.c 2015-02-16 14:50:01 +09:00
Yukihiro "Matz" Matsumoto a88a20d51f Merge pull request #2723 from cremno/use-musl-fmt_fp 
re-implement mrb_float_to_str()
 2015-02-16 14:42:01 +09:00
cremno 6f893b5183 re-implement mrb_float_to_str() 
The new implementation is backwards incompatible, but I couldn't find
any usage outside mruby and I also couldn't think of a different and
good name.

All ISO C99 printf conversion specifiers for floating point numbers and
an optional precision are supported.

It is largely based on code from the MIT licensed musl libc
(http://www.musl-libc.org/) and its floating point printing is exact
(unlike the current code behind Float#to_s).
 2015-02-13 09:33:03 +01:00
Simon Génier 40e4eb599c DISABLE_STDIO does not disable backtraces. 2015-02-12 13:18:59 -05:00
Yukihiro "Matz" Matsumoto f5026f9b6c Merge pull request #2717 from sgnr/missing-lastpc-on-funcall-cfunc 
Fix possible segfault when accessing backtrace with MRB_WORD_BOXING.
 2015-02-07 00:48:08 +09:00
Simon Génier df382dea73 Fix possible segfault when accessing backtrace with MRB_WORD_BOXING. 2015-02-05 15:12:21 -05:00
Kouhei Sutou 8cb40fcda7 Fix ensure with yield context on break and return 
How to reproduce:

    class A
      def x
        yield
      ensure
        y
      end

      def y
      end
    end

    # Work
    A.new.x do
    end

    # Not work
    # trace:
    # 	[2] /tmp/a.rb:5:in A.x
    # 	[0] /tmp/a.rb:15
    # /tmp/a.rb:5: undefined method 'y' for main (NoMethodError)
    A.new.x do
      break
    end

    # trace:
    # 	[2] /tmp/a.rb:5:in A.call
    # 	[0] /tmp/a.rb:19
    # /tmp/a.rb:5: undefined method 'y' for main (NoMethodError)
    lambda do
      A.new.x do
        return
      end
    end.call

`self` in ensure is broken when yield and break/return are used.
 2015-02-05 22:40:25 +09:00
Jun Hiroe b88c8b40d6 Replace int with mrb_bool in dump_bigendian_p func 2015-02-02 14:18:10 +09:00
Yukihiro "Matz" Matsumoto bc9c47d518 allow endian specification of mrb files by mrbc -e/-E 
`mruby -b` now accepts both big/little endian mrb (compiled binary) files.

`mrbc` generates mrb files in big endian for .mrb files and in native endian
for C files (with -B option specified) by default.  If you are cross compiling,
you need to specify target endian by -e/-E options if it is different from
host endian.
 2015-02-02 09:34:24 +09:00
Yukihiro "Matz" Matsumoto 089f1f6c75 block_given? should work with nested block; fix #2695 close #2712 2015-01-31 13:51:25 +09:00
Xuejie "Rafael" Xiao d63e45a014 Use setter macro instead of directly setting values 2015-01-26 10:52:06 +08:00
Tatsuhiko Kubo 5fac7a73cb Use mrb_exc_new_str_lit(). 2015-01-03 23:34:13 +09:00
Tatsuhiko Kubo 093560e7d1 Use suitable type. 2014-12-27 10:18:18 +09:00
Kouhei Sutou 5ec676aa37 Fix splat and multiple assignments 
Case1: From variable

Code:

    a = [1, 2, 3, 4, 5]
    b, c, *d = a

    p [a, b, c, d]

Before:

    [[1, 2, 3, 4, 5], 1, 2, []]

After:

    [[1, 2, 3, 4, 5], 1, 2, [3, 4, 5]]

Ruby:

    [[1, 2, 3, 4, 5], 1, 2, [3, 4, 5]]

Case2: From variables

Code:

    a = [1, 2, 3]
    b = [4, 5, 6, 7]
    c, d, *e, f, g = *a, *b

    p [a, b, c, d, e, f, g]

Before:

    [[1, 2, 3], [4, 5, 6, 7], 1, 2, [], 6, 7]

After:

    [[1, 2, 3], [4, 5, 6, 7], 1, 2, [3, 4, 5], 6, 7]

Ruby:

    [[1, 2, 3], [4, 5, 6, 7], 1, 2, [3, 4, 5], 6, 7]

Case 3: "for"

Code:

    a = [1, 2, 3, 4, 5, 6, 7]
    for b, c, *d, e, f in [a] do
      p [a, b, c, d, e, f]
    end

Before:

    [[1, 2, 3, 4, 5, 6, 7], 1, 2, [], nil, nil]

After:

    [[1, 2, 3, 4, 5, 6, 7], 1, 2, [3, 4, 5], 6, 7]

Ruby:

    [[1, 2, 3, 4, 5, 6, 7], 1, 2, [3, 4, 5], 6, 7]
 2014-12-23 21:16:01 +09:00
Yukihiro "Matz" Matsumoto 358dd61107 block_given? should return correct value when called in blocks; close #2678 
avoid a loop to find parent's callinfo using mrb->c->cibase[env->cioff]
 2014-12-19 19:05:27 +09:00
Yukihiro "Matz" Matsumoto 5014bfb50d block_given? should return false on top-level; ref #2678 2014-12-19 18:51:14 +09:00
Yukihiro "Matz" Matsumoto 2732879f3e String#[]: float handling merged to #2677 2014-12-17 20:19:52 +09:00
Yukihiro "Matz" Matsumoto 4319eaaa45 try to convert not only nil but every objects to fixnums; ref #2677 2014-12-17 20:08:26 +09:00
h2so5 05b00a14c5 String#[] should reject nil index 2014-12-17 14:01:39 +09:00
Yukihiro "Matz" Matsumoto a19a6edb7c mrb_str_new(mrb, "", len) creates an unmodifiable string object; ref #2674 2014-12-17 08:06:44 +09:00
sdottaka fe01ce5b02 Fix crash if #inspect does not return a string value 
case 1
~~~
class A; def inspect; 1; end; end
A.new.a
~~~

case 2

~~~
class A
  def self.inspect
    1
  end
  alias_method :a, :b
end
~~~
 2014-12-12 23:05:22 +09:00
Yukihiro "Matz" Matsumoto 4078670bca mrb_p() should print mrb_obj_as_string() if #inspect does not return a string value 2014-12-12 21:32:02 +09:00
Yukihiro "Matz" Matsumoto 44c29e88ae block_given did not work with nested block invocation for some cases; fix #2665 2014-12-11 00:36:18 +09:00
Yukihiro "Matz" Matsumoto 4eff93632f mrb_parser_dump() did not work with block arguments 2014-12-11 00:08:56 +09:00
Yukihiro "Matz" Matsumoto 4c70b5c644 should not pop register when value from multiple assignment required 2014-12-01 08:06:23 +09:00
Yukihiro "Matz" Matsumoto 09c6ca936c preserve ICLASS in ci->target_class; fix #2657; ensuring #1467 #1470 #1493 still works 2014-11-28 20:35:06 +09:00
Yukihiro "Matz" Matsumoto e4ca706530 wrong register adjustment 2014-11-27 16:21:15 +09:00
Yukihiro "Matz" Matsumoto e1a7fa925e add "fall through" comment 2014-11-26 01:03:57 +09:00
Robert Mosolgo 0133d9ac70 fix(String) String#[] accepts float; close #2650 #2651 2014-11-26 01:03:38 +09:00
Yukihiro "Matz" Matsumoto 28bd33297a wrong register number adjustment in multiple assignment; fix #2654 2014-11-26 00:43:39 +09:00
Yukihiro "Matz" Matsumoto c424892c5e OP_APOST local variable display was wrong 2014-11-26 00:43:39 +09:00
cremno 94f1ad6cc1 remove unnecessary _WIN32 preprocessor check 
SIZE_MAX < UINT32_MAX is false on Win32 / Win64.
 2014-11-25 02:04:30 +01:00
Yukihiro "Matz" Matsumoto 9ec00ef182 align indent of local variable names in codedump() 2014-11-23 07:36:58 +09:00
Yukihiro "Matz" Matsumoto bce75e2746 should support recursive mlhs decomposition, e.g. (a,b),c = [1,2],3 2014-11-22 12:16:59 +09:00
sdottaka 820f6d147f Fix an error when calling a method implemented in C by super() with arguments. This fix makes the following code workable: 
Expected:

class MRBTime < Time; def self.new; super(2012, 4, 21); end; end
MRBTime.new # => Sat Apr 21 00:00:00 2012

Actual:

class MRBTime < Time; def self.new; super(2012, 4, 21); end; end
MRBTime.new # => can't convert nil into Integer (TypeError)
 2014-11-19 13:29:22 +09:00
Yukihiro "Matz" Matsumoto 5c6d6309b6 separate mrb_notimplement() and mrb_notimplement_m(); ref #2636 2014-11-19 01:03:19 +09:00
Robert Mosolgo 8dc4d9d973 fix mrb_notimplement typo 2014-11-17 12:13:19 -08:00
ksss 9a06cfa9d8 Implement C API mrb_notimplement 2014-11-17 17:42:20 +09:00
Yukihiro "Matz" Matsumoto 70c9866751 add Float::{INFINITY,NAN} if available 2014-11-12 15:46:31 +09:00
Hiroshi Mimaki c29185ff13 %zu format is not supported by MSVC 2014-11-06 13:30:42 +09:00
Yukihiro "Matz" Matsumoto 8a6e600562 avoid using rewind(3) to load mrb files 2014-11-04 14:05:36 +09:00
Yukihiro "Matz" Matsumoto 0e2ab2210c read whole mrb file at once to calculate correct padding offset; ref #2630 2014-11-04 10:12:46 +09:00
Yukihiro "Matz" Matsumoto 0e40468809 specify alignment specifier for GCC and MSC; ref #2630 2014-11-04 07:10:41 +09:00
Yukihiro "Matz" Matsumoto be844f9284 Fix misaligned access when reading irep; close #2630 
Add padding bytes before iseq block that may be used as mrb_code[].
Note that dumped mrb format has changed.

Based on a patch from kimu_shu <alfvegardrisc@gmail.com>
 2014-11-04 02:41:42 +09:00
Yukihiro "Matz" Matsumoto 378aa8a9c8 avoid wrong ArgumentError from mrb_get_args() when surrounding method takes more than one argument; ref #2627 2014-10-30 10:31:06 +09:00
Yukihiro "Matz" Matsumoto 5bd3d9bc27 add cast to return from aget_index(); ref #2627 2014-10-30 10:27:05 +09:00
mattn eaa0296fc5 Handle Array#[float, int] Close #2626 2014-10-29 19:27:20 +09:00
Jun Hiroe 5235e54137 Fix mrb_convert_to_integer. 2014-10-29 01:30:30 +09:00
Jun Hiroe ad77ed8bf3 Refactor for_body func 2014-10-28 23:31:25 +09:00