Replace inclusion of <stdio.h> with "system.h"

[pf3gnuchains/gcc-fork.git] / gcc / c-lang.c

diff --git a/gcc/c-lang.c b/gcc/c-lang.c
index fe4acab..331ff54 100644 (file)
--- a/gcc/c-lang.c
+++ b/gcc/c-lang.c
@@ -1,5 +1,6 @@
 /* Language-specific hook definitions for C front end.
-   Copyright (C) 1991 Free Software Foundation, Inc.
+   Copyright (C) 1991, 1995, 1997, 1998,
+   1999, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -15,31 +16,74 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
 
 
 #include "config.h"
+#include "system.h"
 #include "tree.h"
-#include <stdio.h>
+#include "function.h"
 #include "input.h"
+#include "c-tree.h"
+#include "c-lex.h"
+#include "toplev.h"
+#include "output.h"
+#include "flags.h"
+#include "ggc.h"
+
+#if USE_CPPLIB
+#include "cpplib.h"
+extern char *yy_cur;
+extern cpp_reader  parse_in;
+extern cpp_options parse_options;
+#endif
 
 /* Each of the functions defined here
    is an alternative to a function in objc-actions.c.  */
    
 int
-lang_decode_option (p)
-     char *p;
+lang_decode_option (argc, argv)
+     int argc;
+     char **argv;
 {
-  return c_decode_option (p);
+  return c_decode_option (argc, argv);
+}
+
+void
+lang_init_options ()
+{
+#if USE_CPPLIB
+  cpp_reader_init (&parse_in);
+  parse_in.opts = &parse_options;
+  cpp_options_init (&parse_options);
+#endif
+  /* Mark as "unspecified".  */
+  flag_bounds_check = -1;
 }
 
 void
 lang_init ()
 {
+  /* If still "unspecified", make it match -fbounded-pointers.  */
+  if (flag_bounds_check < 0)
+    flag_bounds_check = flag_bounded_pointers;
+
   /* the beginning of the file is a new line; check for # */
   /* With luck, we discover the real source file's name from that
      and put it in input_filename.  */
+#if !USE_CPPLIB
   ungetc (check_newline (), finput);
+#else
+  check_newline ();
+  yy_cur--;
+#endif 
+
+  save_lang_status = &push_c_function_context;
+  restore_lang_status = &pop_c_function_context;
+  mark_lang_status = &mark_c_function_context;
+
+  c_parse_init ();
 }
 
 void
@@ -47,29 +91,61 @@ lang_finish ()
 {
 }
 
-char *
+const char *
 lang_identify ()
 {
   return "c";
 }
 
+void
+print_lang_statistics ()
+{
+}
+
+/* used by print-tree.c */
+
+void
+lang_print_xnode (file, node, indent)
+     FILE *file ATTRIBUTE_UNUSED;
+     tree node ATTRIBUTE_UNUSED;
+     int indent ATTRIBUTE_UNUSED;
+{
+}
+
 /* Used by c-lex.c, but only for objc.  */
+
 tree
 lookup_interface (arg)
-     tree arg;
+     tree arg ATTRIBUTE_UNUSED;
+{
+  return 0;
+}
+
+tree
+is_class_name (arg)
+    tree arg ATTRIBUTE_UNUSED;
 {
   return 0;
 }
 
 void
 maybe_objc_check_decl (decl)
-     tree decl;
+     tree decl ATTRIBUTE_UNUSED;
 {
 }
 
 int
-maybe_objc_comptypes (lhs, rhs)
-     tree lhs, rhs;
+maybe_objc_comptypes (lhs, rhs, reflexive)
+     tree lhs ATTRIBUTE_UNUSED;
+     tree rhs ATTRIBUTE_UNUSED;
+     int reflexive ATTRIBUTE_UNUSED;
+{
+  return -1;
+}
+
+tree
+maybe_objc_method_name (decl)
+    tree decl ATTRIBUTE_UNUSED;
 {
   return 0;
 }
@@ -86,19 +162,72 @@ recognize_objc_keyword ()
   return 0;
 }
 
-void
-print_lang_statistics ()
+tree
+build_objc_string (len, str)
+    int len ATTRIBUTE_UNUSED;
+    const char *str ATTRIBUTE_UNUSED;
 {
+  abort ();
+  return NULL_TREE;
 }
 
-void
-GNU_xref_begin ()
-{
-  fatal ("GCC does not yet support XREF");
-}
+/* Called at end of parsing, but before end-of-file processing.  */
 
 void
-GNU_xref_end ()
+finish_file ()
 {
-  fatal ("GCC does not yet support XREF");
+#ifndef ASM_OUTPUT_CONSTRUCTOR
+  extern tree static_ctors;
+#endif
+#ifndef ASM_OUTPUT_DESTRUCTOR
+  extern tree static_dtors;
+#endif
+  extern tree build_function_call                 PARAMS ((tree, tree));
+#if !defined(ASM_OUTPUT_CONSTRUCTOR) || !defined(ASM_OUTPUT_DESTRUCTOR)
+  tree void_list_node_1 = build_tree_list (NULL_TREE, void_type_node);
+#endif
+#ifndef ASM_OUTPUT_CONSTRUCTOR
+  if (static_ctors)
+    {
+      tree fnname = get_file_function_name ('I');
+      start_function (void_list_node_1,
+                     build_parse_node (CALL_EXPR, fnname, 
+                                       tree_cons (NULL_TREE, NULL_TREE, 
+                                                  void_list_node_1),
+                                       NULL_TREE),
+                     NULL_TREE, NULL_TREE);
+      fnname = DECL_ASSEMBLER_NAME (current_function_decl);
+      store_parm_decls ();
+
+      for (; static_ctors; static_ctors = TREE_CHAIN (static_ctors))
+       expand_expr_stmt (build_function_call (TREE_VALUE (static_ctors),
+                                              NULL_TREE));
+
+      finish_function (0);
+
+      assemble_constructor (IDENTIFIER_POINTER (fnname));
+    }
+#endif
+#ifndef ASM_OUTPUT_DESTRUCTOR
+  if (static_dtors)
+    {
+      tree fnname = get_file_function_name ('D');
+      start_function (void_list_node_1,
+                     build_parse_node (CALL_EXPR, fnname, 
+                                       tree_cons (NULL_TREE, NULL_TREE,
+                                                  void_list_node_1),
+                                       NULL_TREE),
+                     NULL_TREE, NULL_TREE);
+      fnname = DECL_ASSEMBLER_NAME (current_function_decl);
+      store_parm_decls ();
+
+      for (; static_dtors; static_dtors = TREE_CHAIN (static_dtors))
+       expand_expr_stmt (build_function_call (TREE_VALUE (static_dtors),
+                                              NULL_TREE));
+
+      finish_function (0);
+
+      assemble_destructor (IDENTIFIER_POINTER (fnname));
+    }
+#endif
 }