c-common.c: Include c-lex.h.

	* c-common.c: Include c-lex.h.
	(c_common_lang_init): Change prototype.  Call init_c_lex and
	init_pragma from here.
	* c-common.h (c_common_lang_init): Change prototype.
	* c-decl.c (init_decl_processing): Rename.  Call c_parse_init.
	* c-lang.c (c_init): Change prototype.  Update.
	(c_init_options): Update.
	* c-lex.c (cpp_filename): Remove.
	(init_c_lex): Update.  Read the main file, and get the original
	file name.
	(yyparse): Finish the command line options.
	* c-parse.in (c_parse_init): Call init_reswords here.
	(init_parse): Remove.
	* c-tree.h (c_init_decl_processing): New.
	* cpphash.c (_cpp_init_hashtable): After initializing the hash
	table, populate it.
	* cppinit.c (read_original_filename, cpp_finish_options): New.
	(cpp_create_reader): New prototype. Defer hash table initialization.
	(cpp_start_read): Rename cpp_read_main_file.  Initialize the
	hash table.  Get the original filename.
	* cpplib.h (cpp_create_reader): Update.
	(cpp_start_read): Remove.
	(cpp_read_main_file, cpp_finish_options): New.
	* cppmain.c (main, do_preprocessing): Update.
	* langhooks.h (struct langhooks): Update init prototype.
	* toplev.c (general_init, parse_options_and_default_flags,
	process_options, lang_indpendent_init, lang_dependent_init,
	init_asm_output): New; perform the bulk of initialization.
	(compile_file): Move most of initialization to above functions.
	(debug_hooks): Initialize statically.
	(set_Wunused): Relocate.
	(toplev_main): Move most of initialization to other init functions.
	Have a clear logic flow.
	* tree.h (init_parse, init_decl_processing): Remove.
ada:
	* misc.c (gnat_init): Change prototype.  Include the
	functionality of the old init_parse and init_decl_processing.
	(gnat_init_decl_processing): New prototype.
	(init_parse): Remove.
	* utils.c (init_decl_processing): Rename gnat_init_decl_processing.
cp:	* cp-tree.h (init_reswords, cxx_init_decl_processing): New.
	(cxx_init): Update prototype.
	* decl.c (init_decl_processing): Rename.  Move null node init
	to its creation time.
	* lex.c (cxx_init_options): Update.
	(cxx_init): Combine with old init_parse; also call
	cxx_init_decl_processing.
f:	* com.c (ffecom_init_decl_processing): Renamed from
	init_decl_processing.
	(init_parse): Move contents to ffe_init.
	(ffe_init): Update prototype.
java:	* decl.c (init_decl_processing): Rename java_init_decl_processing.
	* java-tree.h: New prototype.
	* lang.c (java_init): Update prototype.  Combine with old init_parse.
objc:	* objc-act.c (objc_init): Update prototype, combine with old
	init_parse.
	(objc_init_options): Update.

From-SVN: r47046

1 files changed, 6 insertions, 13 deletions

diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index ca59266..ea824ec 100644
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -54,9 +54,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #define GET_ENVIRONMENT(ENV_VALUE,ENV_NAME) ((ENV_VALUE) = getenv (ENV_NAME))
 #endif
 
-/* The input filename as understood by CPP, where "" represents stdin.  */
-static const char *cpp_filename;
-
 /* The current line map.  */
 static const struct line_map *map;
 
@@ -109,7 +106,7 @@ init_c_lex (filename)
   struct cpp_callbacks *cb;
   struct c_fileinfo *toplevel;
 
-  /* Set up filename timing.  Must happen before cpp_start_read.  */
+  /* Set up filename timing.  Must happen before cpp_read_main_file.  */
   file_info_tree = splay_tree_new ((splay_tree_compare_fn)strcmp,
 				   0,
 				   (splay_tree_delete_value_fn)free);
@@ -142,16 +139,13 @@ init_c_lex (filename)
       cb->undef = cb_undef;
     }
 
-
-  if (filename == 0 || !strcmp (filename, "-"))
-    filename = "stdin", cpp_filename = "";
-  else
-    cpp_filename = filename;
-
   /* Start it at 0.  */
   lineno = 0;
 
-  return filename;
+  if (filename == NULL)
+    filename = "";
+
+  return cpp_read_main_file (parse_in, filename, ident_hash);
 }
 
 /* A thin wrapper around the real parser that initializes the 
@@ -160,8 +154,7 @@ init_c_lex (filename)
 int
 yyparse()
 {
-  if (! cpp_start_read (parse_in, cpp_filename))
-    return 1;			/* cpplib has emitted an error.  */
+  cpp_finish_options (parse_in);
 
   return yyparse_1();
 }