creating brand new exception object of the receiver.
* eval.c (rb_eval_string_wrap): extend new ruby_top_self, not
original self.
* eval.c (rb_eval_cmd): respect ruby_wrapper if set.
* eval.c (eval): do not update ruby_class unless scope is not
provided.
* eval.c (eval): preserve wrapper information.
* eval.c (proc_invoke): ditto.
* eval.c (block_pass): ditto.
* parse.y (void_expr): too much warnings for void context
(e.g. foo[1] that can be mere Proc call).
* error.c (rb_name_error): new function to raise NameError with
name attribute set.
* eval.c (rb_f_missing): set name and args in the exception
object. [new]
* error.c (name_name): NameError#name - new method.
* error.c (nometh_args): NoMethodError#args - new method.
* lex.c (rb_reserved_word): lex_state after tRESCUE should be
EXPR_MID.
* gc.c (add_heap): allocation size of the heap unit is doubled for
each allocation.
* dir.c (isdelim): space, tab, and newline are no longer
delimiters for glob patterns.
* eval.c (svalue_to_avalue): new conversion scheme between single
value and array values.
* eval.c (avalue_to_svalue): ditto.
* eval.c (rb_eval): REXPAND now uses avalue_to_svalue(), return
and yield too.
* eval.c (rb_yield_0): use avalue_to_svalue().
* eval.c (proc_invoke): Proc#call gives avaules, whereas
Proc#yield gives mvalues.
* eval.c (bmcall): convert given value (svalue) to avalue.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
