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* enumerator.c (inspect_enumerator): Implement #inspect.

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[ruby-dev:37248]-[ruby-dev:37263]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20481 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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knu 2008-12-04 02:44:38 +00:00
parent f259918c81
commit ea465ecda7
2 changed files with 68 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Thu Dec 4 11:40:56 2008 Akinori MUSHA <knu@iDaemons.org>
* enumerator.c (inspect_enumerator): Implement #inspect.
[ruby-dev:37248]-[ruby-dev:37263]
Thu Dec 4 11:38:40 2008 Akinori MUSHA <knu@iDaemons.org> Thu Dec 4 11:38:40 2008 Akinori MUSHA <knu@iDaemons.org>
* vm_method.c (rb_obj_respond_to): Remove a duplicated rdoc * vm_method.c (rb_obj_respond_to): Remove a duplicated rdoc

63
enumerator.c
View file

@ -545,6 +545,68 @@ enumerator_rewind(VALUE obj)
return obj; return obj;
} }
static VALUE
inspect_enumerator(VALUE obj, VALUE dummy, int recur)
{
struct enumerator *e = enumerator_ptr(obj);
const char *cname = rb_obj_classname(obj);
VALUE eobj, str;
int tainted, untrusted;
if (recur) {
str = rb_sprintf("#<%s: ...>", cname);
OBJ_TAINT(str);
return str;
}
eobj = e->obj;
tainted = OBJ_TAINTED(eobj);
untrusted = OBJ_UNTRUSTED(eobj);
/* (1..100).each_cons(2) => "#<Enumerator: 1..100:each_cons(2)>" */
str = rb_sprintf("#<%s: ", cname);
rb_str_concat(str, rb_inspect(eobj));
rb_str_buf_cat2(str, ":");
rb_str_buf_cat2(str, rb_id2name(e->meth));
if (e->args) {
int argc = RARRAY_LEN(e->args);
VALUE *argv = RARRAY_PTR(e->args);
rb_str_buf_cat2(str, "(");
while (argc--) {
VALUE arg = *argv++;
rb_str_concat(str, rb_inspect(arg));
rb_str_buf_cat2(str, argc > 0 ? ", " : ")");
if (OBJ_TAINTED(arg)) tainted = Qtrue;
if (OBJ_UNTRUSTED(arg)) untrusted = Qtrue;
}
}
rb_str_buf_cat2(str, ">");
if (tainted) OBJ_TAINT(str);
if (untrusted) OBJ_UNTRUST(str);
return str;
}
/*
* call-seq:
* e.inspect => string
*
* Create a printable version of <i>e</i>.
*/
static VALUE
enumerator_inspect(VALUE obj)
{
return rb_exec_recursive(inspect_enumerator, obj, 0);
}
/* /*
* Yielder * Yielder
*/ */
@ -779,6 +841,7 @@ Init_Enumerator(void)
rb_define_method(rb_cEnumerator, "with_object", enumerator_with_object, 1); rb_define_method(rb_cEnumerator, "with_object", enumerator_with_object, 1);
rb_define_method(rb_cEnumerator, "next", enumerator_next, 0); rb_define_method(rb_cEnumerator, "next", enumerator_next, 0);
rb_define_method(rb_cEnumerator, "rewind", enumerator_rewind, 0); rb_define_method(rb_cEnumerator, "rewind", enumerator_rewind, 0);
rb_define_method(rb_cEnumerator, "inspect", enumerator_inspect, 0);
rb_eStopIteration = rb_define_class("StopIteration", rb_eIndexError); rb_eStopIteration = rb_define_class("StopIteration", rb_eIndexError);