[ruby-Bugs-17940]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@15531 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* hash.c (rb_hash_dup): should preserve HASH_PROC_DEFAULT and
  HASH_DELETED flags.

* hash.c (rb_hash_shift): shift from empty hash should not return
  its default proc.

* hash.c (rb_hash_default_proc): new method. [new]

* array.c (rb_ary_aref): no need for Bignum check.

* array.c (rb_ary_aset): explicit Bignum check removd.

* numeric.c (fix_aref): normalize bignum before bit-op.

* bignum.c (rb_big_rand): max may be Bignum zero.

* bignum.c (rb_cstr_to_inum): should normalize bignums, to avoid
  returning fixable bignum value.

* bignum.c (rb_uint2big): there should be no zero sized bignum.

* ext/extmk.rb.in: extmake() that works properly for both tkutil
  (tk/tkutil.so) and digest/sha1.

* hash.c (rb_hash_equal): should check HASH_PROC_DEFAULT too.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@2706 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

  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: http://svn.ruby-lang.org/repos/ruby/trunk@1555 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@518 b2dd03c8-39d4-4d8f-98ff-823fe69b080e