cpperror.c (_cpp_begin_message): No special casing of CPP_FATAL_LIMIT.

	* cpperror.c (_cpp_begin_message): No special casing
	of CPP_FATAL_LIMIT.
	* cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/.
	(output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR.
	* cpplib.c (do_include_common): Use DL_ERROR.
	* cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove.
	(DL_ICE): Renumber.
	* fix-header.c (read_scan_file): Update.

From-SVN: r53765

gcc/ChangeLog

+2002-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+	* cpperror.c (_cpp_begin_message): No special casing
+	of CPP_FATAL_LIMIT.
+	* cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/.
+	(output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR.
+	* cpplib.c (do_include_common): Use DL_ERROR.
+	* cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove.
+	(DL_ICE): Renumber.
+	* fix-header.c (read_scan_file): Update.
+
 2002-05-22  Richard Henderson  <rth@redhat.com>
 
 	* config/i386/i386.c (ix86_expand_call): New function, extracted

gcc/cpperror.c

@@ -92,8 +92,7 @@ _cpp_begin_message (pfile, code, line, column)
 	{
 	  if (CPP_OPTION (pfile, inhibit_errors))
 	    return 0;
-	  if (pfile->errors < CPP_FATAL_LIMIT)
-	    pfile->errors++;
+	  pfile->errors++;
 	}
       else if (CPP_OPTION (pfile, inhibit_warnings))
 	return 0;
@@ -102,14 +101,9 @@ _cpp_begin_message (pfile, code, line, column)
     case DL_ERROR:
       if (CPP_OPTION (pfile, inhibit_errors))
 	return 0;
-      if (pfile->errors < CPP_FATAL_LIMIT)
-	pfile->errors++;
-      break;
-
-      /* Fatal errors cannot be inhibited.  */
-    case DL_FATAL:
+      /* ICEs cannot be inhibited.  */
     case DL_ICE:
-      pfile->errors = CPP_FATAL_LIMIT;
+      pfile->errors++;
       break;
     }
 

gcc/cppinit.c

@@ -845,31 +845,31 @@ static void sanity_checks (pfile)
      type precisions made by cpplib.  */
   test--;
   if (test < 1)
-    cpp_error (pfile, DL_FATAL, "cppchar_t must be an unsigned type");
+    cpp_error (pfile, DL_ICE, "cppchar_t must be an unsigned type");
 
   if (CPP_OPTION (pfile, precision) > BITS_PER_HOST_WIDEST_INT)
-    cpp_error (pfile, DL_FATAL,
+    cpp_error (pfile, DL_ICE,
 	       "preprocessor arithmetic has maximum precision of %lu bits; target requires %lu bits",
 	       (unsigned long)BITS_PER_HOST_WIDEST_INT,
 	       (unsigned long)CPP_OPTION (pfile, precision));
 
   if (CPP_OPTION (pfile, precision) < CPP_OPTION (pfile, int_precision))
-    cpp_error (pfile, DL_FATAL,
+    cpp_error (pfile, DL_ICE,
 	       "CPP arithmetic must be at least as precise as a target int");
 
   if (CPP_OPTION (pfile, char_precision) < 8)
-    cpp_error (pfile, DL_FATAL, "target char is less than 8 bits wide");
+    cpp_error (pfile, DL_ICE, "target char is less than 8 bits wide");
 
   if (CPP_OPTION (pfile, wchar_precision) < CPP_OPTION (pfile, char_precision))
-    cpp_error (pfile, DL_FATAL,
+    cpp_error (pfile, DL_ICE,
 	       "target wchar_t is narrower than target char");
 
   if (CPP_OPTION (pfile, int_precision) < CPP_OPTION (pfile, char_precision))
-    cpp_error (pfile, DL_FATAL,
+    cpp_error (pfile, DL_ICE,
 	       "target int is narrower than target char");
 
   if (CPP_OPTION (pfile, wchar_precision) > BITS_PER_CPPCHAR_T)
-    cpp_error (pfile, DL_FATAL,
+    cpp_error (pfile, DL_ICE,
 	       "CPP on this host cannot handle wide character constants over %lu bits, but the target requires %lu bits",
 	       (unsigned long)BITS_PER_CPPCHAR_T,
 	       (unsigned long)CPP_OPTION (pfile, wchar_precision));
@@ -1061,7 +1061,7 @@ output_deps (pfile)
   if (deps_stream != stdout)
     {
       if (ferror (deps_stream) || fclose (deps_stream) != 0)
-	cpp_error (pfile, DL_FATAL, "I/O error on output");
+	cpp_error (pfile, DL_ERROR, "I/O error on output");
     }
 }
 
@@ -1300,7 +1300,7 @@ cpp_handle_option (pfile, argc, argv, ignore)
       else if (CPP_OPTION (pfile, out_fname) == NULL)
 	CPP_OPTION (pfile, out_fname) = argv[i];
       else
-	cpp_error (pfile, DL_FATAL,
+	cpp_error (pfile, DL_ERROR,
 		   "too many filenames. Type %s --help for usage info",
 		   progname);
     }
@@ -1328,7 +1328,7 @@ cpp_handle_option (pfile, argc, argv, ignore)
 	      arg = argv[++i];
 	      if (!arg)
 		{
-		  cpp_error (pfile, DL_FATAL,
+		  cpp_error (pfile, DL_ERROR,
 			     cl_options[opt_index].msg, argv[i - 1]);
 		  return argc;
 		}
@@ -1481,7 +1481,7 @@ cpp_handle_option (pfile, argc, argv, ignore)
 	    CPP_OPTION (pfile, out_fname) = arg;
 	  else
 	    {
-	      cpp_error (pfile, DL_FATAL, "output filename specified twice");
+	      cpp_error (pfile, DL_ERROR, "output filename specified twice");
 	      return argc;
 	    }
 	  break;
@@ -1592,7 +1592,7 @@ cpp_handle_option (pfile, argc, argv, ignore)
 		}
 	      else
 		{
-		  cpp_error (pfile, DL_FATAL, "-I- specified twice");
+		  cpp_error (pfile, DL_ERROR, "-I- specified twice");
 		  return argc;
 		}
 	    }
@@ -1796,7 +1796,7 @@ cpp_post_options (pfile)
       (CPP_OPTION (pfile, print_deps_missing_files)
        || CPP_OPTION (pfile, deps_file)
        || CPP_OPTION (pfile, deps_phony_targets)))
-    cpp_error (pfile, DL_FATAL,
+    cpp_error (pfile, DL_ERROR,
 	       "you must additionally specify either -M or -MM");
 }
 

gcc/cpplib.c

@@ -651,7 +651,7 @@ do_include_common (pfile, type)
     {
       /* Prevent #include recursion.  */
       if (pfile->line_maps.depth >= CPP_STACK_MAX)
-	cpp_error (pfile, DL_FATAL, "#include nested too deeply");
+	cpp_error (pfile, DL_ERROR, "#include nested too deeply");
       else
 	{
 	  check_eol (pfile);

gcc/cpplib.h

@@ -420,10 +420,6 @@ struct cpp_callbacks
   void (*register_builtins) PARAMS ((cpp_reader *));
 };
 
-#define CPP_FATAL_LIMIT 1000
-/* True if we have seen a "fatal" error.  */
-#define CPP_FATAL_ERRORS(PFILE) (cpp_errors (PFILE) >= CPP_FATAL_LIMIT)
-
 /* Name under which this program was invoked.  */
 extern const char *progname;
 
@@ -593,13 +589,9 @@ extern int cpp_defined PARAMS ((cpp_reader *, const unsigned char *, int));
 #define DL_PEDWARN		0x02
 /* An error.  */
 #define DL_ERROR		0x03
-/* A fatal error.  We do not exit, to support use of cpplib as a
-   library, but may only return CPP_EOF tokens thereon.  It is the
-   caller's responsibility to check CPP_FATAL_ERRORS.  */
-#define DL_FATAL		0x04
 /* An internal consistency check failed.  Prints "internal error: ",
-   otherwise the same as DL_FATAL.  */
-#define DL_ICE			0x05
+   otherwise the same as DL_ERROR.  */
+#define DL_ICE			0x04
 /* Extracts a diagnostic level from an int.  */
 #define DL_EXTRACT(l)		(l & 0xf)
 /* Non-zero if a diagnostic level is one of the warnings.  */

gcc/fix-header.c

@@ -632,10 +632,10 @@ read_scan_file (in_fname, argc, argv)
   options->inhibit_errors = 1;
 
   i = cpp_handle_options (scan_in, argc, argv);
-  if (i < argc && ! CPP_FATAL_ERRORS (scan_in))
-    cpp_error (scan_in, DL_FATAL, "invalid option `%s'", argv[i]);
+  if (i < argc)
+    cpp_error (scan_in, DL_ERROR, "invalid option `%s'", argv[i]);
   cpp_post_options (scan_in);
-  if (CPP_FATAL_ERRORS (scan_in))
+  if (cpp_errors (scan_in))
     exit (FATAL_EXIT_CODE);
 
   if (! cpp_read_main_file (scan_in, in_fname, NULL))