* variable.c (rb_obj_classname): new function.

* string.c (rb_str_dup): should preserve original's class (but not
  hidden singleton class).

* string.c (rb_str_substr): ditto.

* parse.y: backout EXPR_CMDARG removal.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3427 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 3 deletions

diff --git a/range.c b/range.c
index 1ce4aae746..585940af06 100644
--- a/range.c
+++ b/range.c
@@ -275,7 +275,7 @@ range_step(argc, argv, range)
 
 	if (!rb_respond_to(b, id_succ)) {
 	    rb_raise(rb_eTypeError, "cannot iterate from %s",
-		     rb_class2name(CLASS_OF(b)));
+		     rb_obj_classname(b));
 	}
 	
 	args[0] = 1;
@@ -304,7 +304,7 @@ range_each(range)
 
     if (!rb_respond_to(beg, id_succ)) {
 	rb_raise(rb_eTypeError, "cannot iterate from %s",
-		 rb_class2name(CLASS_OF(beg)));
+		 rb_obj_classname(beg));
     }
     if (FIXNUM_P(beg) && FIXNUM_P(end)) { /* fixnums are special */
 	long lim = FIX2LONG(end);
@@ -471,7 +471,7 @@ range_member(range, val)
 
     if (!rb_respond_to(beg, id_succ)) {
 	rb_raise(rb_eTypeError, "cannot iterate from %s",
-		 rb_class2name(CLASS_OF(beg)));
+		 rb_obj_classname(beg));
     }
     args[0] = val;
     args[1] = Qfalse;