* parser.c: Remove ENABLE_CHECKING markers around debugging

	* parser.c: Remove ENABLE_CHECKING markers around debugging
	routines.
	(cp_lexer_dump_tokens): Add arguments START_TOKEN and CURR_TOKEN.
	Make static
	When printing CURR_TOKEN surround it in [[ ]].
	Start printing at START_TOKEN.
	Update all users.
	(cp_debug_print_tree_if_set): New.
	(cp_debug_print_context): New.
	(cp_debug_print_context_stack): New.
	(cp_debug_print_flag): New.
	(cp_debug_print_unparsed_function): New.
	(cp_debug_print_unparsed_queues): New.
	(cp_debug_parser_tokens): New.
	(cp_debug_parser): New.
	(cp_lexer_start_debugging): Set cp_lexer_debug_stream to stderr.
	(cp_lexer_stop_debugging): Set cp_lexer_debug_stream to NULL.
	* parser.h (cp_lexer_dump_tokens): Remove declaration.
	(cp_debug_parser): Declare.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180136 138bc75d-0d04-0410-961f-82ee72b054a4