* cpphash.h: Update comments.
(cpp_context): Update.
(spec_nodes): Remove n__Pragma.
* cppinit.c (cpp_create_reader): Update.
(builtin_array): Add _Pragma.
* cpplib.h: Update comments.
(NODE_DISABLED, BT_PRAGMA): New.
(cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
* cppmacro.c (struct cpp_macro): Remove disabled.
(builtin_macro): Return int, handle _Pragma, push the new token
on the context stack.
(funlike_invocation_p): Unconstify, update.
(enter_macro_context): Handle builtins here.
(replace_args, push_token_context, push_ptoken_context):
Update for prototype changes.
(_cpp_pop_context): Update.
(cpp_get_token): Don't handle buitins, nor _Pragma here.
(cpp_sys_macro_p): Update.
(_cpp_free_definition): Clear disabled flag.
(_cpp_create_definition): Upate.
* cppmain.c: Update comments.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45948
138bc75d-0d04-0410-961f-
82ee72b054a4