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proc.c: Binding#receiver

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* proc.c (bind_receiver): new method to return the bound receiver
  of the binding object.  [ruby-dev:47613] [Feature #8779]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2014-07-01 17:24:02 +00:00
parent 02c391a1c9
commit 43ba2c01e7
4 changed files with 34 additions and 0 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Wed Jul 2 02:23:52 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* proc.c (bind_receiver): new method to return the bound receiver
of the binding object. [ruby-dev:47613] [Feature #8779]
Wed Jul 2 02:14:37 2014 Nobuyoshi Nakada <nobu@ruby-lang.org> Wed Jul 2 02:14:37 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* proc.c (bind_local_variables): update env from envval for each * proc.c (bind_local_variables): update env from envval for each

1
NEWS
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@ -18,6 +18,7 @@ with all sufficient information, see the ChangeLog file.
* Binding * Binding
* New methods: * New methods:
* Binding#local_variables * Binding#local_variables
* Binding#receiver
* Enumerable * Enumerable
* New methods: * New methods:

18
proc.c
View file

@ -609,6 +609,23 @@ bind_local_variable_defined_p(VALUE bindval, VALUE sym)
return get_local_variable_ptr(bind->env, lid) ? Qtrue : Qfalse; return get_local_variable_ptr(bind->env, lid) ? Qtrue : Qfalse;
} }
/*
* call-seq:
* binding.receiver -> object
*
* Returns the bound receiver of the binding object.
*/
static VALUE
bind_receiver(VALUE bindval)
{
const rb_binding_t *bind;
const rb_env_t *env;
GetBindingPtr(bindval, bind);
GetEnvPtr(bind->env, env);
return env->block.self;
}
static VALUE static VALUE
proc_new(VALUE klass, int is_lambda) proc_new(VALUE klass, int is_lambda)
{ {
@ -2859,6 +2876,7 @@ Init_Binding(void)
rb_define_method(rb_cBinding, "local_variable_get", bind_local_variable_get, 1); rb_define_method(rb_cBinding, "local_variable_get", bind_local_variable_get, 1);
rb_define_method(rb_cBinding, "local_variable_set", bind_local_variable_set, 2); rb_define_method(rb_cBinding, "local_variable_set", bind_local_variable_set, 2);
rb_define_method(rb_cBinding, "local_variable_defined?", bind_local_variable_defined_p, 1); rb_define_method(rb_cBinding, "local_variable_defined?", bind_local_variable_defined_p, 1);
rb_define_method(rb_cBinding, "receiver", bind_receiver, 0);
rb_define_global_function("binding", rb_f_binding, 0); rb_define_global_function("binding", rb_f_binding, 0);
} }

10
test/ruby/test_proc.rb
View file

@ -1299,4 +1299,14 @@ class TestProc < Test::Unit::TestCase
assert_equal(true, b.local_variable_defined?(:a)) assert_equal(true, b.local_variable_defined?(:a))
assert_equal(false, b.local_variable_defined?(:b)) assert_equal(false, b.local_variable_defined?(:b))
end end
def test_binding_receiver
feature8779 = '[ruby-dev:47613] [Feature #8779]'
assert_same(self, binding.receiver, feature8779)
obj = Object.new
def obj.b; binding; end
assert_same(obj, obj.b.receiver, feature8779)
end
end end