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`acc` was used as an index of the receiver (if positive), or a flag for
methods implemented in C. We replace `regs[ci->acc]` by `ci[1].stack[0]`.
And renamed `acc` (originally meant accumulator position) to `cci`
(means callinfo for C implemented method).
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It generates a symbol by interning from the pool string.
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When parsing scripts frequent scans could cost too much.
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Consistent naming: `integer` to represent integer packed in `mrb_value`
instead of `int`.
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Consistent naming: `integer` to represent integer packed in `mrb_value`
instead of `inum`.
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`eval` would have crashed in formatting.
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It should be lexx than `UINT16_MAX`. If you don't check here, the parser
would raise an exception.
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- remove `mrb_jmpbuf` from `codegen_scope`
- unify exception handling of `mrb_state` and `codegen_scope`
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- remove `mrb_jmpbuf` from `truct mrb_parser_state`
- unify exception handling of `mrb_state` and `mrb_parser_state`.
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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
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Replace them by `mrb_ensure_string_type()`.
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And merged to `mrb_f_integer()` which is only usage of the function.
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* should not raise error for non-string arguments
* avoid allocating case converted string internally
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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.
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`MRB_WORDBOX_USE_HEAP_FLOAT` instead of `MRB_USE_FLOAT_FULL_PRECISION`.
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Organize the include of header files
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- `#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.
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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
```
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- mrb_packed_int_len()
- mrb_packed_int_encode()
- mrb_packed_int_decode()
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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
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`rewind_pc` should not be called when `s->pc` is `0` (top).
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Last commit made `mrb_decode_insn()` to take `NULL` as `pc`.
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`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
```
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`MRB_INT_MIN / -1` overflows.
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