* c-common.h (c_common_init, c_common_post_options): Update.

	* c-objc-common.c (c_objc_common_init): Update for new prototype.
	* c-opts.c (saved_lineno): New.
	(c_common_post_options, c_common_init): Update prototypes,
	move call to cpp_read_main_file from latter to former.
	* c-tree.h (c_ojbc_common_init): Update.
	* langhooks-def.h (lhd_post_options): New.
	(LANG_HOOKS_INIT, LANG_HOOKS_POST_OPTIONS): Update.
	* langhooks.c (lhd_post_options): New.
	* langhooks.h (struct lang_hooks): Update post_options and init hooks.
	* toplev.c (no_backend): New.
	(process_options): Call post_options hook and set main_input_filename
	and input_filename here.
	(lang_dependent_init, do_compile): post_options hook moved to
	process_options.
	* objc/objc-act.c (objc_init): Update prototype.
	* objc/objc-act.h (objc_init): Update prototype.
ada:
	* misc.c (gnat_init): Update for new prototype.
cp:
	* cp-tree.h (cxx_init): Update prototype.
	* lex.c (cxx_init): Similarly.
f:
	* com.c (ffe_init): Update prototype; move code to ffe_post_options.
	(ffe_post_options): New.
java:
	* lang.c (java_init): Update prototype, move code to java_post_options.
	(java_post_options): Similarly.
treelang:
	* tree1.c (in_fname): Fix type.
	(treelang_init): Update prototype and use of in_fname.
	* treelang.h (in_fname): Fix type.
	* treetree.c (tree_code_if_start, tree_code_if_else,
	tree_code_if_end, tree_code_create_function_prototype,
	tree_code_create_function_initial, tree_code_create_funciton_wrapup,
	tree_code_create_variable, tree_code_output_expression_statement)
	: Fix prototypes and use of filenames.
	* treetree.h: Similarly.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@64001 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 15 deletions

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index 4e2685b8146..bf9826ca44c 100644
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -207,25 +207,20 @@ struct lang_hooks
      done for this option.  */
   int (*decode_option) PARAMS ((int, char **));
 
-  /* Called when all command line options have been parsed.  Should do
-     any required consistency checks, modifications etc.  Complex
-     initialization should be left to the "init" callback, since GC
-     and the identifier hashes are set up between now and then.
+  /* Called when all command line options have been parsed to allow
+     further processing and initialization
 
-     Should return zero unless the compiler back-end does not need to
-     be initialized, such as with the -E option.
+     Should return true to indicate that a compiler back-end is
+     not required, such as with the -E option.
      
      If errorcount is nonzero after this call the compiler exits
      immediately and the finish hook is not called.  */
-  bool (*post_options) PARAMS ((void));
-
-  /* Called after post_options, to initialize the front end.  The main
-     input filename is passed, which may be NULL; the front end should
-     return the original filename (e.g. foo.i -> foo.c).  Return NULL
-     to indicate a serious error of some sort; in that case no
-     compilation is performed, and the finish hook is called
-     immediately.  */
-  const char * (*init) PARAMS ((const char *));
+  bool (*post_options) PARAMS ((const char **));
+
+  /* Called after post_options to initialize the front end.  Return
+     false to indicate that no further compilation be performed, in
+     which case the finish hook is called immediately.  */
+  bool (*init) PARAMS ((void));
 
   /* Called at the end of compilation, as a finalizer.  */
   void (*finish) PARAMS ((void));