c-common.h: Remove flag_digraphs.

        * c-common.h: Remove flag_digraphs.
        * c-decl.c: Remove flag_digraphs.
        (c_decode_option): Don't set it.
        * c-lex.c (init_c_lex): Don't do anything for digraphs.

From-SVN: r37834

gcc/ChangeLog

+2000-11-28  Neil Booth  <neilb@earthling.net>
+
+        * c-common.h: Remove flag_digraphs.
+        * c-decl.c: Remove flag_digraphs.  
+        (c_decode_option): Don't set it. 
+        * c-lex.c (init_c_lex): Don't do anything for digraphs.
+
 2000-11-28  Richard Henderson  <rth@redhat.com>
 
 	* c-parse.in (finish_parse): Update for parse_in type change.

gcc/c-common.h

@@ -361,7 +361,7 @@ extern int warn_missing_format_attribute;
 
 extern int flag_traditional;
 
-/* Nonzero means enable C89 Amendment 1 features, other than digraphs.  */
+/* Nonzero means enable C89 Amendment 1 features.  */
 
 extern int flag_isoc94;
 
@@ -369,10 +369,6 @@ extern int flag_isoc94;
 
 extern int flag_isoc99;
 
-/* Nonzero means accept digraphs.  */
-
-extern int flag_digraphs;
-
 /* Nonzero means environment is hosted (i.e., not freestanding) */
 
 extern int flag_hosted;

gcc/c-decl.c

@@ -343,7 +343,7 @@ int flag_no_asm;
 
 int flag_traditional;
 
-/* Nonzero means enable C89 Amendment 1 features, other than digraphs.  */
+/* Nonzero means enable C89 Amendment 1 features.  */
 
 int flag_isoc94 = 0;
 
@@ -351,10 +351,6 @@ int flag_isoc94 = 0;
 
 int flag_isoc99 = 0;
 
-/* Nonzero means accept digraphs.  */
-
-int flag_digraphs = 1;
-
 /* Nonzero means that we have builtin functions, and main is an int */
 
 int flag_hosted = 1;
@@ -517,7 +513,6 @@ c_decode_option (argc, argv)
     {
       flag_traditional = 1;
       flag_writable_strings = 1;
-      flag_digraphs = 0;
     }
   else if (!strcmp (p, "-fallow-single-precision"))
     flag_allow_single_precision = 1;
@@ -538,7 +533,6 @@ c_decode_option (argc, argv)
     {
       flag_traditional = 0;
       flag_writable_strings = 0;
-      flag_digraphs = 1;
     }
   else if (!strncmp (p, "-std=", 5))
     {
@@ -558,9 +552,8 @@ c_decode_option (argc, argv)
 	  || !strcmp (argstart, "c89"))
 	{
 	iso_1990:
-	  flag_digraphs = 0;
 	  flag_isoc94 = 0;
-	iso_1990_digraphs:
+	iso_1994:
 	  flag_traditional = 0;
 	  flag_writable_strings = 0;
 	  flag_no_asm = 1;
@@ -570,9 +563,8 @@ c_decode_option (argc, argv)
 	}
       else if (!strcmp (argstart, "iso9899:199409"))
 	{
-	  flag_digraphs = 1;
 	  flag_isoc94 = 1;
-	  goto iso_1990_digraphs;
+	  goto iso_1994;
 	}
       else if (!strcmp (argstart, "iso9899:199x")
 	       || !strcmp (argstart, "iso9899:1999")
@@ -585,7 +577,6 @@ c_decode_option (argc, argv)
 	  flag_no_nonansi_builtin = 1;
 	  flag_noniso_default_format_attributes = 0;
 	  flag_isoc99 = 1;
-	  flag_digraphs = 1;
 	  flag_isoc94 = 1;
 	}
       else if (!strcmp (argstart, "gnu89"))
@@ -596,7 +587,6 @@ c_decode_option (argc, argv)
 	  flag_no_nonansi_builtin = 0;
 	  flag_noniso_default_format_attributes = 1;
 	  flag_isoc99 = 0;
-	  flag_digraphs = 1;
 	  flag_isoc94 = 0;
 	}
       else if (!strcmp (argstart, "gnu9x") || !strcmp (argstart, "gnu99"))
@@ -607,7 +597,6 @@ c_decode_option (argc, argv)
 	  flag_no_nonansi_builtin = 0;
 	  flag_noniso_default_format_attributes = 1;
 	  flag_isoc99 = 1;
-	  flag_digraphs = 1;
 	  flag_isoc94 = 1;
 	}
       else

gcc/c-lex.c

@@ -126,9 +126,6 @@ init_c_lex (filename)
   parse_in->cb.change_file = cb_change_file;
   parse_in->cb.def_pragma = cb_def_pragma;
 
-  /* Make sure parse_in->digraphs matches flag_digraphs.  */
-  CPP_OPTION (parse_in, digraphs) = flag_digraphs;
-
   if (filename == 0 || !strcmp (filename, "-"))
     filename = "stdin";