2006-11-28 Vladimir Prus <vladimir@codesourcery.com>
Fetch varobj values from memory in a single place,
and only fetch the values that are really needed.
* varobj.c (struct varobj): Clarify comment.
(my_value_equal): Remove.
(install_new_value): New function.
(type_of_child): Remove.
(varobj_create): Use install_new_value.
(varobj_set_value): Use value_contents_equal, not
my_value_equal.
(varobj_update): Use install_new_value.
(create_child): Likewise. Inline type_of_child here.
(value_of_child): Don't fetch the value.
(c_value_of_root): Likewise.
(c_value_of_variable): Likewise.
(type_changeable): Improve comments.