* Makefile.in: Update.
	* c-decl.c (print_lang_decl, print_lang_type): Remove.
	(print_lang_identifier): Rename c_print_identifier.
	* c-lang.c (LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): New.
	(print_lang_statistics, lang_print_xnode): Remove.
	* c-parse.in (set_yydebug): Rename c_set_yydebug.
	* c-tree.h (c_set_yydebug, c_print_identifier): New.
	* langhooks-def.h (lhd_print_tree_nothing, lhd_set_yydebug): New.
	LANG_HOOKS_PRINT_STATISTICS, LANG_HOOKS_PRINT_XNODE,
	LANG_HOOKS_PRINT_DECL, LANG_HOOKS_PRINT_TYPE,
	LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (struct lang_hooks): New members.
	(lang_print_tree_hook): New.
	* langhooks.c (lhd_print_tree_nothing, lhd_set_yydebug): New.
	* print-tree.c: Include langhooks.h.
	(print_node): Update.
	* toplev.c (decode_d_option): Update.
	* tree.c: Include langhooks.h.
	(dump_tree_statistics): Update.
	* tree.h (print_lang_statistics, print_lang_decl, print_lang_type,
	print_lang_identifier, set_yydebug, lang_print_xnode): Remove.
ada:
	* misc.c (gnat_print_decl, gnat_print_type): Renamed.
	(LANG_HOOKS_PRINT_DECL, LANG_HOOKS_PRINT_TYPE): Override.
	(print_lang_statistics, lang_print_xnode, print_lang_identifier,
	set_yydebug): Remove.
cp:
	* cp-lang.c (LANG_HOOKS_PRINT_DECL, LANG_HOOKS_PRINT_TYPE,
	LANG_HOOKS_PRINT_STATISTICS, LANG_HOOKS_PRINT_XNODE,
	LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): Override.
	* cp-tree.h (print_class_statistics): Remove.
	(cxx_print_statistics, cxx_print_xnode, cxx_print_decl, cxx_print_type,
	cxx_print_identifier, cxx_set_yydebug): New.
	* lex.c (set_yydebug): Rename c_set_yydebug.
	* ptree.c (print_lang_decl, print_lang_type, print_lang_identifier,
	lang_print_xnode): Rename.
	* tree.c (print_lang_statistics): Rename.
f:
	* com.c (ffe_print_identifier): Rename.
	(LANG_HOOKS_PRINT_IDENTIFIER): Override.
	(lang_print_xnode, print_lang_decl, print_lang_statistics,
	print_lang_type, set_yydebug): Remove.
java:
	* java-tree.h (java_set_yydebug): New.
	* jcf-parse.c (set_yydebug): Rename java_set_yydebug.
	* lang.c (LANG_HOOKS_SET_YYDEBUG): Override.
	(print_lang_decl, print_lang_type, print_lang_identifier,
	print_lang_statistics, lang_print_xnode): Remove.
objc:
	* objc-act.c (LANG_HOOKS_PRINT_IDENTIFIER,
	LANG_HOOKS_SET_YYDEBUG): Override.
	(lang_print_xnode, print_lang_statistics): Remove.

From-SVN: r46907