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chore: fix spelling
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Reorganize `mcall()` in `mruby-method`
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The following methods will be made static.
- `Class#new`
- `Proc#call`
- `Kernel#catch`
Previously, static const RProc could not be registered as a method, but this has been changed to allow it.
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Use `mrb_exec_irep()`. If possible, re-entry into the VM will be suppressed.
Note that due to the effect of being a tail-call, the backtrace of `Method#call` will be lost, and it will look as if the target method was called directly.
This change fixes the problem of infinite loops when redefining methods that make block calls using `mruby-method`.
```console
% bin/mruby -e 'mm = method(:proc); define_method(:proc, ->(*a, &b) { mm.call(*a, &b) }); p proc { 1 }'
trace (most recent call last):
[257] -e:1
[256] -e:1:in proc
[255] -e:1:in proc
...SNIP...
[1] -e:1:in proc
-e:1:in proc: stack level too deep (SystemStackError)
```
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Change the old `mrb_exec_irep()` as-is to static `mrb_exec_irep_vm()`.
Extract the VM entry part from the old `exec_irep()` in `mruby-eval/src/eval.c` and make it the core of the new `mrb_exec_irep()`.
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Under C++, there is no implicit conversion from `int` to `enum`, which caused a compilation error.
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- (old) `undefined method 'foo'`
- (new) `no superclass method 'foo'`
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Add support for partial backtraces
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Adds debug source information (line/file) when mrbc uses -g.
This commit results in usable backtraces for all gems when build_config
is setup with enable_debug.
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When debug information is omitted within ireps, show that a stack
frame existed rather than silently hiding it.
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Fix `SIGSEGV` with mruby-method + mruby-catch
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- `mrb_num_div_int(mrb,x,y)` -> `mrb_div_int(mrb,x,y)`
- `mrb_num_div_flo(mrb,x,y)` -> `mrb_div_flo(x,y)`
They are internal function not supposed to be used outside of the core.
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Previously, the following code would cause a `SIGSEGV`.
```ruby
mm = method(:throw)
define_method(:throw, ->(*args) { mm.call(*args) })
catch { |tag| throw tag }
```
I think the reason is in the `mrb_yield_with_class()` function:
- Even if a C function is called, `CI_ACC_SKIP` is used
- `cipop()` is not done if globally jumping from a C function
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- define `MRB_TT_COMPLEX`
- change object structure (`struct RComplex`)
- add memory management for `MRB_TT_COMPLEX`
- avoid operator overloading as much as possible
- as a result, performance improved a log
- should work with and without `Rational` defined
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- define `MRB_TT_RATIONAL`
- change object structure (`struct RRational`)
- add memory management for `MRB_TT_RATIONAL`
- avoid operator overloading as much as possible
- implement division overloading in C
- as a result, performance improved a lot
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Since `mruby` does not have `Bignum`, `Float#divmod` could overflow, so
it will return `Float` values when the divided value does not fit in
`mrb_int`. This behavior will be changed when `Bignum` is introduced to
`mruby` in the future.
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#### Before this patch:
```console
$ bin/mruby -e 'p(Float::NAN/0)'
Infinity
```
#### After this patch (same as Ruby):
```console
$ bin/mruby -e 'p(Float::NAN/0)'
NaN
```
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It used to be return the default value if available, but it should
ignore the default value for behavior consistency. CRuby will adopt
this behavior too in the future. [ruby-bugs:16908]
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Add new pool value type `IREP_TT_BIGINT` and generate integer overflow
error in the VM. In the future, `mruby` will support `Bignum` for
integers bigger than `mrb_int` (probably using `mpz`).
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bug(presym): Fix mrb_cmp declaration of <=> symbol for funcall
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Fixes C++03 compilation.
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- Added to `mruby-binding-core`
- `Binding#local_variable_defined?`
- `Binding#local_variable_get`
- `Binding#local_variable_set`
- `Binding#local_variables`
- `Binding#receiver`
- `Binding#source_location`
- `Binding#inspect`
- Added to `mruby-proc-binding`
- `Proc#binding`
The reason for separating `Proc#binding` is that core-mrbgems has a method that returns a closure object to minimize possible problems with being able to manipulate internal variables.
By separating it as different mrbgem, each user can judge this problem and incorporate it arbitrarily.
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Make changes to make `Binding` work.
At the same time, it separates `Binding#eval`, which depends on `mruby-eval`, from `mruby-binding-core`.
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shuujii/fix-type-tag-that-set-to-NilClass-and-FalseClass
Fix type tag that set to `NilClass` and `FalseClass`
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shuujii/add--s-option-to-mrbc-for-make-variable-static
Add `-s` option to `mrbc` for make variable static
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In `h_check_modified()`, in the case of `MRB_NO_BOXING`, `ht_ea()` or
`ht_ea_capa()` for AR may read uninitialized area. Therefore, do not use
those macros for AR in `MRB_NO_BOXING` (but in the case of `MRB_64BIT`,
`ht_ea_capa()` is the same as `ar_ea_capa()`, so use it).
fix #5332
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### Example
##### example.rb
```ruby
h = {}
(1..17).each{h[_1] = _1}
(1..16).each{h.delete(_1)}
h.rehash
```
##### ASAN report
```console
$ bin/mruby example.rb
==52587==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000006998 at pc 0x55a29cddf96b bp 0x7fff7b1b1720 sp 0x7fff7b1b1710
READ of size 4 at 0x602000006998 thread T0
#0 0x55a29cddf96a in ib_it_next /mruby/src/hash.c:639
#1 0x55a29cde2ca2 in ht_rehash /mruby/src/hash.c:900
#2 0x55a29cde379f in h_rehash /mruby/src/hash.c:996
#3 0x55a29cde7f3d in mrb_hash_rehash /mruby/src/hash.c:1735
#4 0x55a29ce77b62 in mrb_vm_exec /mruby/src/vm.c:1451
#5 0x55a29ce5fa88 in mrb_vm_run /mruby/src/vm.c:981
#6 0x55a29ceb87e1 in mrb_top_run /mruby/src/vm.c:2874
#7 0x55a29cf36bdf in mrb_load_exec mrbgems/mruby-compiler/core/parse.y:6805
#8 0x55a29cf36f25 in mrb_load_detect_file_cxt mrbgems/mruby-compiler/core/parse.y:6848
#9 0x55a29cdba0a2 in main /mruby/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c:347
#10 0x7f24ef43b0b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
#11 0x55a29cdb4a6d in _start (/mruby/bin/mruby+0x2a3a6d)
0x602000006998 is located 0 bytes to the right of 8-byte region [0x602000006990,0x602000006998)
allocated by thread T0 here:
#0 0x7f24f01cfffe in __interceptor_realloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10dffe)
#1 0x55a29ceb9440 in mrb_default_allocf /mruby/src/state.c:68
#2 0x55a29cdba747 in mrb_realloc_simple /mruby/src/gc.c:228
#3 0x55a29cdba928 in mrb_realloc /mruby/src/gc.c:242
#4 0x55a29cde12e5 in ht_init /mruby/src/hash.c:749
#5 0x55a29cde2b8e in ht_rehash /mruby/src/hash.c:897
#6 0x55a29cde379f in h_rehash /mruby/src/hash.c:996
#7 0x55a29cde7f3d in mrb_hash_rehash /mruby/src/hash.c:1735
#8 0x55a29ce77b62 in mrb_vm_exec /mruby/src/vm.c:1451
#9 0x55a29ce5fa88 in mrb_vm_run /mruby/src/vm.c:981
#10 0x55a29ceb87e1 in mrb_top_run /mruby/src/vm.c:2874
#11 0x55a29cf36bdf in mrb_load_exec mrbgems/mruby-compiler/core/parse.y:6805
#12 0x55a29cf36f25 in mrb_load_detect_file_cxt mrbgems/mruby-compiler/core/parse.y:6848
#13 0x55a29cdba0a2 in main /mruby/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c:347
#14 0x7f24ef43b0b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
```
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