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Handle keyword argument separation for Enumerator#size 

When Object#to_enum is passed a block, the block is called to get
a size with the arguments given to to_enum.  This calls the block
with the same keyword flag as to_enum is called with.

This requires adding rb_check_funcall_kw and
rb_check_funcall_default_kw to handle keyword flags.
This commit is contained in:
Jeremy Evans 2019-09-18 12:59:01 -07:00
Родитель 27b6746872
Коммит c9f2b790ad
5 изменённых файлов: 125 добавлений и 8 удалений
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2
enumerator.c
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@ -1223,7 +1223,7 @@ enumerator_size(VALUE obj)
argc = (int)RARRAY_LEN(e->args);
argv = RARRAY_CONST_PTR(e->args);
}
size = rb_check_funcall(e->size, id_call, argc, argv);
size = rb_check_funcall_kw(e->size, id_call, argc, argv, e->kw_splat);
if (size != Qundef) return size;
return e->size;
}

1
include/ruby/intern.h
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@ -319,6 +319,7 @@ void rb_check_copyable(VALUE obj, VALUE orig);
int rb_sourceline(void);
const char *rb_sourcefile(void);
VALUE rb_check_funcall(VALUE, ID, int, const VALUE*);
VALUE rb_check_funcall_kw(VALUE, ID, int, const VALUE*, int);
NORETURN(MJIT_STATIC void rb_error_arity(int, int, int));
static inline int

1
internal.h
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@ -2305,6 +2305,7 @@ VALUE rb_check_funcall_with_hook_kw(VALUE recv, ID mid, int argc, const VALUE *a
rb_check_funcall_hook *hook, VALUE arg, int kw_splat);
const char *rb_type_str(enum ruby_value_type type);
VALUE rb_check_funcall_default(VALUE, ID, int, const VALUE *, VALUE);
VALUE rb_check_funcall_default_kw(VALUE, ID, int, const VALUE *, VALUE, int);
VALUE rb_yield_1(VALUE val);
VALUE rb_yield_force_blockarg(VALUE values);
VALUE rb_lambda_call(VALUE obj, ID mid, int argc, const VALUE *argv,

99
test/ruby/test_keyword.rb
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@ -2424,6 +2424,105 @@ class TestKeywordArguments < Test::Unit::TestCase
assert_equal([h3, kw], [c].dig(0, h3, **{}))
end
def test_enumerator_size_kwsplat
kw = {}
h = {:a=>1}
h2 = {'a'=>1}
h3 = {'a'=>1, :a=>1}
c = Object.new
c.to_enum(:each){|*args| args}.size
m = ->(*args){ args }
assert_equal([], c.to_enum(:each, **{}, &m).size)
assert_equal([], c.to_enum(:each, **kw, &m).size)
assert_equal([h], c.to_enum(:each, **h, &m).size)
assert_equal([h], c.to_enum(:each, a: 1, &m).size)
assert_equal([h2], c.to_enum(:each, **h2, &m).size)
assert_equal([h3], c.to_enum(:each, **h3, &m).size)
assert_equal([h3], c.to_enum(:each, a: 1, **h2, &m).size)
m = ->(){ }
assert_nil(c.to_enum(:each, **{}, &m).size)
assert_nil(c.to_enum(:each, **kw, &m).size)
assert_raise(ArgumentError) { c.to_enum(:each, **h, &m).size }
assert_raise(ArgumentError) { c.to_enum(:each, a: 1, &m).size }
assert_raise(ArgumentError) { c.to_enum(:each, **h2, &m).size }
assert_raise(ArgumentError) { c.to_enum(:each, **h3, &m).size }
assert_raise(ArgumentError) { c.to_enum(:each, a: 1, **h2, &m).size }
m = ->(args){ args }
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
assert_equal(kw, c.to_enum(:each, **{}, &m).size)
end
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
assert_equal(kw, c.to_enum(:each, **kw, &m).size)
end
assert_equal(kw, c.to_enum(:each, kw, **kw, &m).size)
assert_equal(h, c.to_enum(:each, **h, &m).size)
assert_equal(h, c.to_enum(:each, a: 1, &m).size)
assert_equal(h2, c.to_enum(:each, **h2, &m).size)
assert_equal(h3, c.to_enum(:each, **h3, &m).size)
assert_equal(h3, c.to_enum(:each, a: 1, **h2, &m).size)
m = ->(**args){ args }
assert_equal(kw, c.to_enum(:each, **{}, &m).size)
assert_equal(kw, c.to_enum(:each, **kw, &m).size)
assert_equal(h, c.to_enum(:each, **h, &m).size)
assert_equal(h, c.to_enum(:each, a: 1, &m).size)
assert_equal(h2, c.to_enum(:each, **h2, &m).size)
assert_equal(h3, c.to_enum(:each, **h3, &m).size)
assert_equal(h3, c.to_enum(:each, a: 1, **h2, &m).size)
assert_warn(/The last argument is used as the keyword parameter/m) do
assert_equal(h, c.to_enum(:each, h, &m).size)
end
assert_raise(ArgumentError) { c.to_enum(:each, h2, &m).size }
assert_warn(/The last argument is split into positional and keyword parameters/m) do
assert_raise(ArgumentError) { c.to_enum(:each, h3, &m).size }
end
m = ->(arg, **args){ [arg, args] }
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
c.to_enum(:each, **{}, &m).size
end
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
c.to_enum(:each, **kw, &m).size
end
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
assert_equal([h, kw], c.to_enum(:each, **h, &m).size)
end
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
assert_equal([h, kw], c.to_enum(:each, a: 1, &m).size)
end
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
assert_equal([h2, kw], c.to_enum(:each, **h2, &m).size)
end
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
assert_equal([h3, kw], c.to_enum(:each, **h3, &m).size)
end
assert_warn(/The keyword argument is passed as the last hash parameter/m) do
assert_equal([h3, kw], c.to_enum(:each, a: 1, **h2, &m).size)
end
assert_equal([h, kw], c.to_enum(:each, h, &m).size)
assert_equal([h2, kw], c.to_enum(:each, h2, &m).size)
assert_equal([h3, kw], c.to_enum(:each, h3, &m).size)
m = ->(arg=1, **args){ [arg, args] }
assert_equal([1, kw], c.to_enum(:each, **{}, &m).size)
assert_equal([1, kw], c.to_enum(:each, **kw, &m).size)
assert_equal([1, h], c.to_enum(:each, **h, &m).size)
assert_equal([1, h], c.to_enum(:each, a: 1, &m).size)
assert_equal([1, h2], c.to_enum(:each, **h2, &m).size)
assert_equal([1, h3], c.to_enum(:each, **h3, &m).size)
assert_equal([1, h3], c.to_enum(:each, a: 1, **h2, &m).size)
assert_warn(/The last argument is used as the keyword parameter/m) do
assert_equal([1, h], c.to_enum(:each, h, &m).size)
end
assert_equal([h2, kw], c.to_enum(:each, h2, &m).size)
assert_warn(/The last argument is split into positional and keyword parameters/m) do
assert_equal([h2, h], c.to_enum(:each, h3, &m).size)
end
end
def p1
Proc.new do |str: "foo", num: 424242|
[str, num]

28
vm_eval.c
Просмотреть файл

@ -509,15 +509,22 @@ check_funcall_missing(rb_execution_context_t *ec, VALUE klass, VALUE recv, ID mi
}
VALUE
rb_check_funcall(VALUE recv, ID mid, int argc, const VALUE *argv)
rb_check_funcall_kw(VALUE recv, ID mid, int argc, const VALUE *argv, int kw_splat)
{
return rb_check_funcall_default(recv, mid, argc, argv, Qundef);
return rb_check_funcall_default_kw(recv, mid, argc, argv, Qundef, kw_splat);
}
VALUE
rb_check_funcall_default(VALUE recv, ID mid, int argc, const VALUE *argv, VALUE def)
rb_check_funcall(VALUE recv, ID mid, int argc, const VALUE *argv)
{
return rb_check_funcall_default_kw(recv, mid, argc, argv, Qundef, RB_NO_KEYWORDS);
}
VALUE
rb_check_funcall_default_kw(VALUE recv, ID mid, int argc, const VALUE *argv, VALUE def, int kw_splat)
{
VALUE klass = CLASS_OF(recv);
VALUE v, ret;
const rb_callable_method_entry_t *me;
rb_execution_context_t *ec = GET_EC();
int respond = check_funcall_respond_to(ec, klass, recv, mid);
@ -527,13 +534,22 @@ rb_check_funcall_default(VALUE recv, ID mid, int argc, const VALUE *argv, VALUE
me = rb_search_method_entry(recv, mid);
if (!check_funcall_callable(ec, me)) {
VALUE ret = check_funcall_missing(ec, klass, recv, mid, argc, argv,
respond, def, RB_NO_KEYWORDS);
ret = check_funcall_missing(ec, klass, recv, mid, argc, argv,
respond, def, kw_splat);
if (ret == Qundef) ret = def;
return ret;
}
stack_check(ec);
return rb_vm_call0(ec, recv, mid, argc, argv, me, RB_NO_KEYWORDS);
v = rb_adjust_argv_kw_splat(&argc, &argv, &kw_splat);
ret = rb_vm_call0(ec, recv, mid, argc, argv, me, kw_splat);
rb_free_tmp_buffer(&v);
return ret;
}
VALUE
rb_check_funcall_default(VALUE recv, ID mid, int argc, const VALUE *argv, VALUE def)
{
return rb_check_funcall_default_kw(recv, mid, argc, argv, def, RB_NO_KEYWORDS);
}
VALUE