Makefile.in (OJBS, c-opts.o): Update.

	* Makefile.in (OJBS, c-opts.o): Update.
	(c-options.c, c-options.h): Rename options.h and options.c.
	(options.h): Rename options_.h.
	(opts.o): New.
	* c-common.h (c_common_handle_option): Replace c_common_decode_option.
	(c_common_init_options): Update prototype.
	* c-lang.c (c_init_options): Update prototype.
	(LANG_HOOKS_HANDLE_OPTION): Override.
	(LANG_HOOKS_DECODE_OPTION): Drop.
	* c-opts.c: Include opts.h and options.h instead of c-options.h
	and c-options.c.
	(lang_flags): Move to file scope.
	(find_opt, c_common_decode_option): Remove.
	(CL_C, CL_OBJC, CL_CXX, CL_OBJCXX, CL_JOINED, CL_SEPARATE,
	CL_REJECT_NEGATIVE): Move to opts.h.
	(missing_arg): Update prototype.
	(c_common_init_options): Update for new prototype.
	(c_common_handle_options): Filenames are passed as N_OPTS.
	* hooks.c (hook_int_void_0): New.
	* hooks.h (hook_int_void_0): New.
	* langhooks-def.h (LANG_HOOKS_INIT_OPTIONS): New default.
	(LANG_HOOKS_HANDLE_OPTION): Default to NULL for now.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (init_options): Update.
	(handle_option): New.
	* opts.c, opts.h: New files.
	* opts.sh: Update c file to include opts.h and options.h.
	* toplev.c: Include opts.h; change options.h to options_.h.
	(parse_options_and_default_flags): Get lang_mask, use
	handle_option for language-specific handling.
	* objc/objc-lang.c (LANG_HOOKS_DECODE_OPTON): Drop.
	(LANG_HOOKS_HANDLE_OPTION): Override.
	(objc_init_options): Update.
ada:
	* misc.c (gnat_init_options): Update.
cp:
	* cp-lang.c (LANG_HOOKS_DECODE_OPTON): Drop.
	(LANG_HOOKS_HANDLE_OPTION): Override.
	* cp-tree.h (cxx_init_options): Update.
	* lex.c (cxx_init_options): Update.
f:
	* com.c (ffe_init_options): Update.
java:
	* lang.c (java_init_options): Update.

From-SVN: r67584

1 files changed, 15 insertions, 3 deletions

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index 70ad952..c3ec11d 100644
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -199,8 +199,9 @@ struct lang_hooks
   size_t (*tree_size) PARAMS ((enum tree_code));
 
   /* The first callback made to the front end, for simple
-     initialization needed before any calls to decode_option.  */
-  void (*init_options) PARAMS ((void));
+     initialization needed before any calls to handle_option.  Return
+     the language mask to filter the switch array with.  */
+  int (*init_options) PARAMS ((void));
 
   /* Function called with an option vector as argument, to decode a
      single option (typically starting with -f or -W or +).  It should
@@ -209,9 +210,20 @@ struct lang_hooks
      option.  If this function returns a negative number, then its
      absolute value is the number of command-line arguments used, but,
      in addition, no language-independent option processing should be
-     done for this option.  */
+     done for this option.  Obsoleted by handle_option.  */
   int (*decode_option) PARAMS ((int, char **));
 
+  /* Handle the switch CODE, which has real type enum opt_code from
+     options.h.  If the switch takes an argument, it is passed in ARG
+     which points to permanent storage.  The handler is resonsible for
+     checking whether ARG is NULL, which indicates that no argument
+     was in fact supplied.  For -f and -W switches, VALUE is 1 or 0
+     for the positive and negative forms respectively.
+
+     Return 1 if the switch is valid, 0 if invalid, and -1 if it's
+     valid and should not be treated as language-independent too.  */
+  int (*handle_option) (size_t code, const char *arg, int value);
+
   /* Called when all command line options have been parsed to allow
      further processing and initialization