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* object.c (rb_obj_inspect): print instance variables only when

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Object#to_s is not overridden.  [ruby-core:24425]

* class.c (rb_obj_basic_to_s_p): new function.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25428 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2009-10-21 20:17:27 +00:00
parent b20521ddc5
commit 7eac66b9c6
3 changed files with 23 additions and 2 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Thu Oct 22 04:54:41 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
* object.c (rb_obj_inspect): print instance variables only when
Object#to_s is not overridden. [ruby-core:24425]
* class.c (rb_obj_basic_to_s_p): new function.
Wed Oct 21 19:32:52 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* object.c (rb_obj_inspect): fixed rdoc about the case that to_s

10
class.c
View file

@ -1257,6 +1257,16 @@ rb_define_attr(VALUE klass, const char *name, int read, int write)
rb_attr(klass, rb_intern(name), read, write, FALSE);
}
int
rb_obj_basic_to_s_p(obj)
{
const rb_method_entry_t *me = rb_method_entry(CLASS_OF(obj), rb_intern("to_s"));
if (me && me->def && me->def->type == VM_METHOD_TYPE_CFUNC &&
me->def->body.cfunc.func == rb_any_to_s)
return 1;
return 0;
}
#include <stdarg.h>
int

8
object.c
View file

@ -369,16 +369,19 @@ inspect_obj(VALUE obj, VALUE str, int recur)
* Returns a string containing a human-readable representation of
* <i>obj</i>. If not overridden and no instance variables, uses the
* <code>to_s</code> method to generate the string.
* <i>obj</i>. If not overridden, uses the <code>to_s</code> method to
* generate the string.
*
* [ 1, 2, 3..4, 'five' ].inspect #=> "[1, 2, 3..4, \"five\"]"
* Time.new.inspect #=> "2008-03-08 19:43:39 +0900"
*/
extern int rb_obj_basic_to_s_p(VALUE);
static VALUE
rb_obj_inspect(VALUE obj)
{
if (TYPE(obj) == T_OBJECT) {
if (TYPE(obj) == T_OBJECT && rb_obj_basic_to_s_p(obj)) {
int has_ivar = 0;
VALUE *ptr = ROBJECT_IVPTR(obj);
long len = ROBJECT_NUMIV(obj);
@ -398,6 +401,7 @@ rb_obj_inspect(VALUE obj)
str = rb_sprintf("-<%s:%p", c, (void*)obj);
return rb_exec_recursive(inspect_obj, obj, str);
}
return rb_any_to_s(obj);
}
return rb_funcall(obj, rb_intern("to_s"), 0, 0);
}