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For UnboundMethod#bind_call [Feature #15955] introduced in
002e592e0d67bb0271d16314a32380ad947c9ae9.
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`umethod.bind_call(obj, ...)` is semantically equivalent to
`umethod.bind(obj).call(...)`. This idiom is used in some libraries to
call a method that is overridden. The added method does the same
without allocation of intermediate Method object. [Feature #15955]
```
class Foo
def add_1(x)
x + 1
end
end
class Bar < Foo
def add_1(x) # override
x + 2
end
end
obj = Bar.new
p obj.add_1(1) #=> 3
p Foo.instance_method(:add_1).bind(obj).call(1) #=> 2
p Foo.instance_method(:add_1).bind_call(obj, 1) #=> 2
```
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`Kernel#pp` has wrapper, but `PP` does not.
https://github.com/ruby/ruby/runs/207405029#step:10:141
`NameError: uninitialized constant Bundler::Molinillo::Resolver::Resolution::PP`
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These tests were guarded by a RUBY_ENGINE of "ruby" even though they test an official Ruby feature (pread/pwrite added in Ruby 2.5). This commit moves them to the top level of the test case so they will run on other implementations.
Notes:
Merged: https://github.com/ruby/ruby/pull/2412
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Just adds a conditional in the lldb scripts so we can more easily debug
NODE objects.
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When searching for this constant, I landed on the correct page https://ruby-doc.org/core-2.6.4/Math.html however I was using CMD+f to search for "Euler" and did not find it. If we add the full name for this constant then it will be easier to search for and find.
Notes:
Merged: https://github.com/ruby/ruby/pull/2411
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e.g. `GZIP=-9`
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Fixes [Bug #11326]
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typedef struct _COORD {
SHORT X;
SHORT Y; // I wanted to take this...
} COORD, *PCOORD;
typedef struct _CONSOLE_SCREEN_BUFFER_INFO {
COORD dwSize;
COORD dwCursorPosition; // ...of this one
WORD wAttributes; // But it's combined with first 2bytes of this
SMALL_RECT srWindow;
COORD dwMaximumWindowSize;
} CONSOLE_SCREEN_BUFFER_INFO;
If wAttributes has non-zero value, the code breaks.
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typedef struct _CONSOLE_SCREEN_BUFFER_INFO {
COORD dwSize; // 4(SHORT X, Y)
COORD dwCursorPosition; // 4
WORD wAttributes; // 2
SMALL_RECT srWindow; // 8(SHORT Left, Top, Right, Bottom)
COORD dwMaximumWindowSize; // 4
} CONSOLE_SCREEN_BUFFER_INFO;
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[feature #16035]
This goes one step farther than what nobu did in [feature #13498]
With this patch, special objects such as static symbols, integers, etc can be used as either key or values inside WeakMap. They simply don't have a finalizer defined on them.
This is useful if you need to deduplicate value objects
Notes:
Merged: https://github.com/ruby/ruby/pull/2313
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It seems the combination fails at the moment. Don't know exactly
why but I suspect there can be issues in resolving weak references.
Let's rule them out for now.
https://ci.appveyor.com/project/ruby/ruby/builds/27036383/job/x3c5d54839aacoyt
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We can check the function pointer passed to
rb_define_singleton_method like how we do so in rb_define_method.
Doing so revealed many arity mismatches.
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We can check the function pointer passed to rb_define_private_method
like how we do so in rb_define_method. Doing so revealed some
problematic usages of rb_obj_dummy. They had to be split according
to their arity.
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We can check the function pointer passed to
rb_define_protected_method like how we do so in rb_define_method.
This changeset revealed no prototypes mismatches.
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We can check the function pointer passed to rb_define_method_id
like how we do so in rb_define_method. This method is relatively
rarely used so there are less problems found than the other APIs.
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To properly generate documents.
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We can check the function pointer passed to rb_define_global_function
like we do so in rb_define_method. It turns out that almost anybody
is misunderstanding the API.
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We can check the function pointer passed to rb_define_module_function
like how we do so in rb_define_method. The difference is that this
changeset reveales lots of atiry mismatches.
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The rb_define_method function takes a pointer to ANYARGS-ed functions,
which in fact varies 18 different prototypes. We still need to
preserve ANYARGS for storages but why not check the consistencies if
possible.
Q&As:
Q: Where did the magic number "18" came from in the description above?
A: Count the case branch of vm_method.c:call_cfunc_invoker_func().
Note also that the 18 branches has lasted for at least 25 years.
See also 200e0ee2fd3c1c006c528874a88f684447215524.
Q: What is this __weakref__ thing?
A: That is a kind of function overloading mechanism that GCC provides.
In this case for instance rb_define_method0 is an alias of
rb_define_method, with a strong type.
Q: What is this __transparent_union__ thing?
A: That is another kind of function overloading mechanism that GCC
provides. In this case the attributed function pointer is either
VALUE(*)(int,VALUE*,VALUE) or VALUE(*)(int,const VALUE*,VALUE).
This is better than void* or ANYARGS because we can reject all
other possibilities than the two.
Q: What does this rb_define_method macro mean?
A: It selects appropriate alias of the rb_define_method function,
depending on the arity.
Q: Why the prototype change of rb_f_notimplement?
A: Function pointer to rb_f_notimplement is special cased in
vm_method.c:rb_add_method_cfunc(). That should be handled by the
__builtin_choose_expr chain inside of rb_define_method macro
expansion. In order to do so, comparison like (func ==
rb_f_notimplement) is inappropriate for __builtin_choose_expr's
expression (which must be a compile-time integer constant but the
address of rb_f_notimplement is not fixed until the linker). So
instead we are using __builtin_types_compatible_p, and in doing so
we need to distinguish rb_f_notimplement from others, by type.
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This is just a trivial mistake introduced in
0f36e8fc03a5c6433972d6bb5f177d5f6e106bac.
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This is just a trivial mistake introduced in
6c56dae4b23c5c50e351758538141ca26b9aba40.
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[Feature #16103]
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This reverts commits:
* d365fd5a024254d7c105a62a015a7ea29ccf3e5d
* d780c3662484d6072b3a6945b840049de72c2096
* aa7211836b769231a2a8ef6b6ec2fd0ec882ef29
* 043f010c28e82ea38978bf8ed885416f133b5b75
* bb4dd7c6af05c7821d572e2592ea3d0cc748d81f
* 043f010c28e82ea38978bf8ed885416f133b5b75
* f169043d81524b5b529f2c1e9c35437ba5bc3a7a
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/94645
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when reopened class/module redefinition mismatched the previous
definition. [Feature #11460]
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A range literal in conditional expression is turned into a
flip-flop, as a Range object is never falsy and does not make a
sense.
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This reverts commit bf7a32d22079cc44eb19794e41d82b886d5d17b3.
flip-flop is no longer deprecated.
[Feature #5400]
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While not consistent with {n,}?, {,m}?, and {n,m}?, it is arguably
more useful, as otherwise the ? would have no effect.
Fixes [Bug #15583]
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This reverts commit 6454808c52fff445ff09fefb0fb96988f82aaa3c.
It is no longer needed, as `VCS::SVN#get_revisions` now returns
`Integer` as revision numbers, and `short_revision` should deal
with it.
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`_FILE_OFFSET_BITS` should be defined before system headers.
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Fixed unmatched indent of the closing bracket for
`:irb_current_working_workspace`, and adjusted following elements.
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Merged: https://github.com/ruby/ruby/pull/2292
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