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This makes objects created via #to_enum and related methods pass
keyword arguments as keywords.
To implement this, add a kw_splat member of struct enumerator and
struct iter_method_arg, and add rb_block_call_kw, which is the
same as rb_block_call_kw with a flag for whether the last argument
is keyword options.
Notes:
Merged: https://github.com/ruby/ruby/pull/2432
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Method#call, UnboundMethod#bind_call
Also add keyword argument separation warnings for Class#new and Method#call.
To allow for keyword argument to required positional hash converstion in
cfuncs, add a vm frame flag indicating the cfunc was called with an empty
keyword hash (which was removed before calling the cfunc). The cfunc can
check this frame flag and add back an empty hash if it is passing its
arguments to another Ruby method. Add rb_empty_keyword_given_p function
for checking if called with an empty keyword hash, and
rb_add_empty_keyword for adding back an empty hash to argv.
All of this empty keyword argument support is only for 2.7. It will be
removed in 3.0 as Ruby 3 will not convert empty keyword arguments to
required positional hash arguments. Comment all of the relevent code
to make it obvious this is expected to be removed.
Add rb_funcallv_kw as an public C-API function, just like rb_funcallv
but with a keyword flag. This is used by rb_obj_call_init (internals
of Class#new). This also required expected call_type enum with
CALL_FCALL_KW, similar to the recent addition of CALL_PUBLIC_KW.
Add rb_vm_call_kw as a internal function, used by call_method_data
(internals of Method#call and UnboundMethod#bind_call). Add tests
for UnboundMethod#bind_call keyword handling.
Notes:
Merged: https://github.com/ruby/ruby/pull/2432
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* check --srcdir if given twice or more
* falls back to the current working directory if no --srcdir
option is given.
* define common VCS options.
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As AppVeyor's MSYS2 install gets out of date, this may require 'special' code...
This code also adds updating the database, which currently updates gcc from 9.1.0 to 9.2.0.
Notes:
Merged: https://github.com/ruby/ruby/pull/2433
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This return skips `va_end(ap)`, which is not intended, I guess.
Coverity Scan found this.
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Fixing a bug on Windows introduced in v0.15.0
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The first time SortedSet#initialize is called, it overwrites
itself, then recalls #initialize, which results in calling the
subclass's initialize, not the current initialize.
Just inline the default initialize behavior to avoid this issue.
No test for this as it can only be triggered the very first time
that SortedSet#initialize is called.
Fixes [Bug #15830]
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It got some nice features for better support of
benchmark_driver-output-charty, Windows, ridk, and rbenv.
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`str2 = rb_str_new_frozen(str1)` seems to make str1 a shared string that
refers to str2, but str2 is not marked as STR_IS_SHARED_M nor
STR_NOFREE.
`rb_fstring(str2)` frees str2's ptr because it is not marked, and the
free'ed pointer is the same as str1's ptr.
After that, accessing str1 may cause use-after-free memory corruption.
I guess this is a bug of rb_str_new_frozen, but I'm completely unsure
what it should be; the string states and flags are not documented.
So, this is a workaround for [Bug #16136]. I confirmed that rspec of
activeadmin runs gracefully.
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Kill the failing tests.
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https://github.com/ruby/ruby/runs/213995386#step:7:810
```
cxxanyargs.cpp
C:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\ucrt\corecrt_malloc.h(54): error C2485: '__restrict': unrecognized extended attribute
```
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Otherwise the dynamic linker cannot find this function.
See also https://ci.appveyor.com/project/ruby/ruby/builds/27224231/job/4pg6lxlsnsjotu2l
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Should use numeric 0 for maximum portability.
See also https://travis-ci.org/ruby/ruby/jobs/581543798
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See also https://github.com/ruby/ruby/runs/213964487
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Compilation of extension libraries written in C++ are reportedly
broken due to https://github.com/ruby/ruby/pull/2404
The root cause of this issue was that the definition of ANYARGS
differ between C and C++, and that of C++ is incompatible with the
updated ones.
We are using the incompatibility against itself. In C++ two distinct
function prototypes can be overloaded. We provide the old, ANYARGSed
prototypes in addition to the current granular ones; and let the
older ones warn about types.
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This reverts commit 433c9c00d96124e3b416d0a20ff795b0ad4273fa.
Successfully captured some traces, and
3b60e5e6bc2c84b971bea9c8312eb5d33ada2ff5 seems to fix the issue.
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mame pointed out that vm_args.c is included in vm_insnhelper.c.
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Hopefully this fixes MJIT errors on AppVeyor.
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method_missing
This is the same as the bmethod, sym proc, and send cases,
where we don't remove the keyword splat, so later code can
move it to a required positional parameter and warn.
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procs
This is the same as the bmethod and send cases, where we don't
remove the keyword splat, so later code can move it to to a
a required positional parameter and warn.
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lambda and bmethod
The lambda case is similar to the attr_writer case, except we have
to determine the number of required parameters from the iseq
instead of being able to assume a single required parameter.
This fixes a lot of lambda tests which were switched to require
warnings for all usage of keyword arguments. Similar to method
handling, we do not warn when passing keyword arguments to
lambdas that do not accept keyword arguments, the argument is
just passed as a positional hash in that case, unless it is empty.
If it is empty and not the final required parameter, then we
ignore it. If it is empty and the final required parameter, then
we pass it for backwards compatibility and emit a warning, as in
Ruby 3 we will not pass it.
The bmethod case is similar to the send case, in that we do not
want to remove empty keyword splats in vm_call_bmethod, as that
prevents later call handling from moving them to required
positional arguments and warning.
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In general, we want to ignore empty keyword hashes. The only case
where we want to allow them for backwards compatibility is when
they are necessary to satify the final required positional argument.
In that case, we want to not ignore them, but we do want to warn,
as that will be going away in Ruby 3.
This commit implements this support for regular methods and
attr_writer methods.
In order to allow send to forward arguments correctly, send no
longer removes empty keyword hashes. It is the responsibility of
the final method to remove the empty keyword hashes now. This
change was necessary as otherwise send could remove the empty
keyword hashes before the regular or attr_writer methods could
move them to required positional arguments.
For completeness, add tests for keyword handling regular
methods calls.
This makes rb_warn_keyword_to_last_hash non-static in vm_args.c
so it can be reused in vm_insnhelper.c, and also moves declarations
before statements in the rb_warn_* functions in vm_args.c.
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While doing so is not backwards compatible with Ruby 2.6, it is
necessary for generic argument forwarding to work for all methods:
```ruby
def foo(*args, **kw, &block)
bar(*args, **kw, &block)
end
```
If you do not remove empty keyword hashes, and bar does not accept
keyword arguments, then a call to foo without keyword arguments
calls bar with an extra positional empty hash argument.
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and lambda.
When define_method is a simple iseq (`define_method(:m) {|x| ... }`),
passing keywords to it (`m(**kw)`) didn't print a warning.
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Similar to 38e9c1bc35d5549575fbb263afff560e97db068e
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Similar to 38e9c1bc35d5549575fbb263afff560e97db068e
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Now the mechanism that conveys kw_splat flag is gradually established,
so the hack to drop the empty keyword hash is not needed for
vm_call_opt_send.
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not via Object#send which uses a fast path vm_call_opt_send.
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Actually, the following call is wrongly warned without this change.
```
class C
def method_missing(x, *args, **opt)
end
end
C.new.foo(k: 1)
# warning: The last argument is used as the keyword parameter
# warning: for `method_missing' defined here
```
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...only when a "remove_empty_keyword_hash" flag is specified.
After CALLER_SETUP_ARG is called, `ci->flag & VM_CALL_KW_SPLAT` must not
be used. Instead. use `calling->kw_splat`. This is because
CALLER_SETUP_ARG may modify argv and update `calling->kw_splat`, and
`ci->flag & VM_CALL_KW_SPLAT` may be inconsistent with the result.
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There are two styles that argv contains keyword arguments: one is
VM_CALL_KWARG which contains value elements in argv (to avoid a hash
object creation if possible), and the other is VM_CALL_KW_SPLAT which
contains one last hash in argv.
vm_caller_setup_arg_kw translates argv from the VM_CALL_KWARG style to
the VM_CALL_KW_SPLAT style.
`calling->kw_splat` means that argv is the VM_CALL_KW_SPLAT style.
So, instead of setting `calling->kw_splat` at many places, it would be
better to do so when vm_caller_setup_arg_kw is called.
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method_missing
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Make rb_sym_proc_call take a flag for whether a keyword argument
is used, and use the new rb_funcall_with_block_kw function to
pass that information.
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