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authormarcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-08-27 02:50:08 +0000
committermarcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-08-27 02:50:08 +0000
commitca7f52a32a9e7967fafc7efd65423303c36753b5 (patch)
tree8bf0ca149127059d6999467d50b8078e6ac43cbc
parentc4fe5260114482143943bead5b68a628a047c863 (diff)
* enumerator.c: Allow Enumerator size argument to be any callable.
Patch by Avdi Grimm. [bug #8641] [ruby-core:56032] [fix GH-362] * test/ruby/test_enumerator.rb: Test for above git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42698 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--enumerator.c15
-rw-r--r--test/ruby/test_enumerator.rb3
2 files changed, 12 insertions, 6 deletions
diff --git a/enumerator.c b/enumerator.c
index 2a73d6a740..07916e5af5 100644
--- a/enumerator.c
+++ b/enumerator.c
@@ -339,7 +339,7 @@ enumerator_initialize(int argc, VALUE *argv, VALUE obj)
rb_check_arity(argc, 0, 1);
recv = generator_init(generator_allocate(rb_cGenerator), rb_block_proc());
if (argc) {
- if (NIL_P(argv[0]) || rb_obj_is_proc(argv[0]) ||
+ if (NIL_P(argv[0]) || rb_respond_to(argv[0], id_call) ||
(RB_TYPE_P(argv[0], T_FLOAT) && RFLOAT_VALUE(argv[0]) == INFINITY)) {
size = argv[0];
}
@@ -1007,11 +1007,14 @@ enumerator_size(VALUE obj)
if (e->size_fn) {
return (*e->size_fn)(e->obj, e->args, obj);
}
- if (rb_obj_is_proc(e->size)) {
- if (e->args)
- return rb_proc_call(e->size, e->args);
- else
- return rb_proc_call_with_block(e->size, 0, 0, Qnil);
+ if (rb_respond_to(e->size, id_call)) {
+ if (e->args) {
+ int argc = RARRAY_LENINT(e->args);
+ VALUE *argv = RARRAY_PTR(e->args);
+ return rb_funcall2(e->size, id_call, argc, argv);
+ } else {
+ return rb_funcall(e->size, id_call, 0);
+ }
}
return e->size;
}
diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb
index e3270f3d6a..e1b23792bd 100644
--- a/test/ruby/test_enumerator.rb
+++ b/test/ruby/test_enumerator.rb
@@ -452,6 +452,9 @@ class TestEnumerator < Test::Unit::TestCase
def test_size
assert_equal nil, Enumerator.new{}.size
assert_equal 42, Enumerator.new(->{42}){}.size
+ obj = Object.new
+ def obj.call; 42; end
+ assert_equal 42, Enumerator.new(obj){}.size
assert_equal 42, Enumerator.new(42){}.size
assert_equal 1 << 70, Enumerator.new(1 << 70){}.size
assert_equal Float::INFINITY, Enumerator.new(Float::INFINITY){}.size