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We have introduced following new instructions.
* `OP_LAMBDA16`
* `OP_BLOCK16`
* `OP_METHOD16`
* `OP_EXEC16`
Each instruction uses 16 bits operand for `reps` index. Since new
instructions are added, `mruby/c` VM should be updated.
Due to new instructions, dump format compatibility is lost, we have
increased `RITE_BINARY_MAJOR_VER`.
In addition, we have decreased the size of `refcnt` in `mrb_irep` from
`uint32_t` to `uint16_t`, which is reasonably big enough.
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This is a correction based on the review by @matz.
https://github.com/mruby/mruby/pull/5306#pullrequestreview-578378401
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Previously, problems occurred when the `fixnum` was exceeded.
- 32-bit cpu mode with `MRB_WORD_BOXING` and `MRB_INT32`:
```console
% bin/mruby -e 'p [0x7fffffff].pack("N").unpack("N")'
trace (most recent call last):
-e:1: cannot unpack to Integer: 2147483647 (RangeError)
```
- 64-bit cpu mode with `MRB_WORD_BOXING` and `MRB_INT64`:
```console
% bin/mruby -e 'p [0x7fffffff_ffffffff].pack("q").unpack("q")'
trace (most recent call last):
-e:1: cannot unpack to Integer: 9223372036854775807 (RangeError)
```
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This reverts commit 34f82f24e941f36edc8d947a8a9300631b3121ff.
Ref #5282
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Or no argument at all.
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Where `mruby-config` command should be generated.
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This reverts commit dc51d89ac22acc60b9bfeed87115863565b74085.
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As CRuby does.
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Instead of including `mruby/presym.h` everywhere, we provided the
fallback `mruby/presym.inc` under `include/mruby` directory, and specify
`-I<build-dir>/include` before `-I<top-dir>/include` in `presym.rake`.
So even when someone drops `-I<build-dir>/include` in compiler options,
it just compiles without failure.
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https://github.com/shuujii/mruby into shuujii-avoid-including-presym.inc-in-existing-header-files
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This is a missing change in #5272.
This issue was reported by @shuujii.
https://github.com/mruby/mruby/pull/5272#issuecomment-761819737
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If it gets an insubstantial method object with `obj.method`, it will raise a `SIGSEGV` with `ObjectSpace.memsize_of(method)`.
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Reported and inspired by @hasumikin; based on CRuby's `parse.y`.
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Capture the return value of `Fiber.yield` via C; ref #5261
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Initialize all area of `struct sockaddr_un`
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Members of `struct sockaddr_un` are requesting the definitions of `sun_family` and `sun_path`.
https://pubs.opengroup.org/onlinepubs/009696699/basedefs/sys/un.h.html
But the other members are optional and environment dependent.
In fact, other members are defined in the BSD series.
from NetBSD-9.1 <https://github.com/NetBSD/src/blob/da504f75982b244b2288bc9970bbc203bd77a9c1/sys/sys/un.h#L49-L53>
```c
struct sockaddr_un {
unsigned char sun_len; /* sockaddr len excluding NUL */
sa_family_t sun_family; /* AF_UNIX */
char sun_path[104]; /* path name (gag) */
};
```
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dearblue-reorganize-ci
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To make inline symbols packed in 30 bits.
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Remove functions for unimplemented methods
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- Use `mrb_notimplement_m()` instead.
- Hide the unused `option_to_fd()` when `TARGET_OS_IPHONE` is enabled.
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The output directory will be `host-bin`, so it will be output as `<build-dir>/host-bin/mruby-config`.
It's still not available for target devices.
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Addressed an issue where existing programs linking `libmruby.a` could only
be built by adding `<build-dir>/include` to compiler's include path.
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`1L` on Windows means `32 bit int`.
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This reverts commit 37d795dec7b495d418dc2f9020cf980c158ba9ed.
This reapplies e20d652 (#4202), which is reverted, but its issue was solved
by 1d8456f.
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This reverts commit a0c1e075e35c358d21934c28ff1bec4153502409.
This is because the `mrb_callinfo::pc` has been reorganized, resulting in over-correction.
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This enhances self-containment.
- Changed the `mrb_callinfo::pc` field to point to itself.
Previously it indicated the return destination of the previous call level.
`mrb_callinfo::pc` will now hold the address to its own `proc->body.irep->iseq`.
- Removed `mrb_callinfo::err` field.
This is because `mrb_callinfo::pc - 1` is semantically the same as the previous `err`.
- The `pc0` and `pc_save` variables in `mrb_vm_exec()` are no longer needed and have been deleted.
- It removes the argument because `cipush()` doesn't need to save the previous `pc`.
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This enhances self-containment.
Previously `mrb_context::stack` had the current call level stack, but now it owns it.
The `mrb_context::stack` field, which is no longer needed, will be removed.
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If there is `env`, `env->c` means `target_class`.
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