c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.

	* c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
	(RESTORE_WARN_FLAGS): Unpack it.
	Change semantic type of extension to ttype.
	* c-common.c (split_specs_attrs): Expect an INTEGER_CST.
	* c-parse.y, c-parse.c, objc/objc-parse.y,
	objc/objc-parse.c: Regenerate.

From-SVN: r31478

7 files changed, 65 insertions, 41 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e8300f2..d884eae 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2000-01-18  Martin v. Löwis  <loewis@informatik.hu-berlin.de>
+
+	* c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
+	(RESTORE_WARN_FLAGS): Unpack it.
+	Change semantic type of extension to ttype.
+	* c-common.c (split_specs_attrs): Expect an INTEGER_CST.
+	* c-parse.y, c-parse.c, objc/objc-parse.y, 
+	objc/objc-parse.c: Regenerate.
+
 2000-01-17  Zack Weinberg  <zack@wolery.cumb.org>
 
 	* fixinc/fixlib.c: Add copyright notice.
diff --git a/gcc/c-common.c b/gcc/c-common.c
index b435350..0ce1ff1 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -1079,6 +1079,15 @@ split_specs_attrs (specs_attrs, declspecs, prefix_attributes)
 {
   tree t, s, a, next, specs, attrs;
 
+  /* This can happen after an __extension__ in pedantic mode.  */
+  if (specs_attrs != NULL_TREE 
+      && TREE_CODE (specs_attrs) == INTEGER_CST)
+    {
+      *declspecs = NULL_TREE;
+      *prefix_attributes = NULL_TREE;
+      return;
+    }
+
   /* This can happen in c++ (eg: decl: typespec initdecls ';').  */
   if (specs_attrs != NULL_TREE
       && TREE_CODE (specs_attrs) != TREE_LIST)
diff --git a/gcc/c-parse.c b/gcc/c-parse.c
index 13c4fe5..e4b1f39 100644
--- a/gcc/c-parse.c
+++ b/gcc/c-parse.c
@@ -1,6 +1,7 @@
 
 /*  A Bison parser, made from c-parse.y
-    by GNU Bison version 1.28  */
+ by  GNU Bison version 1.27
+  */
 
 #define YYBISON 1  /* Identify Bison output.  */
 
@@ -98,7 +99,7 @@ const char * const language_string = "GNU C";
 #line 64 "c-parse.y"
 typedef union {long itype; tree ttype; enum tree_code code;
 	char *filename; int lineno; int ends_in_label; } YYSTYPE;
-#line 186 "c-parse.y"
+#line 184 "c-parse.y"
 
 /* Number of statements (loosely speaking) and compound statements 
    seen so far.  */
@@ -122,9 +123,11 @@ static int undeclared_variable_notice;
 
 /* For __extension__, save/restore the warning flags which are
    controlled by __extension__.  */
-#define SAVE_WARN_FLAGS() (pedantic | (warn_pointer_arith << 1))
-#define RESTORE_WARN_FLAGS(val) \
+#define SAVE_WARN_FLAGS()	\
+	build_int_2 (pedantic | (warn_pointer_arith << 1), 0)
+#define RESTORE_WARN_FLAGS(tval) \
   do {                                     \
+    int val = TREE_INT_CST_LOW (tval);     \
     pedantic = val & 1;                    \
     warn_pointer_arith = (val >> 1) & 1;   \
   } while (0)
@@ -1263,8 +1266,8 @@ static const short yycheck[] = {    38,
     51,    52,    53,    54
 };
 /* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
-#line 3 "/usr/share/misc/bison.simple"
-/* This file comes from bison-1.28.  */
+#line 3 "/usr/share/bison.simple"
+/* This file comes from bison-1.27.  */
 
 /* Skeleton output parser for bison,
    Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
@@ -1477,7 +1480,7 @@ __yy_memcpy (char *to, char *from, unsigned int count)
 #endif
 #endif
 
-#line 217 "/usr/share/misc/bison.simple"
+#line 216 "/usr/share/bison.simple"
 
 /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    into yyparse.  The argument should have type void *.
@@ -1842,7 +1845,7 @@ case 9:
     break;}
 case 10:
 #line 270 "c-parse.y"
-{ RESTORE_WARN_FLAGS (yyvsp[-1].itype); ;
+{ RESTORE_WARN_FLAGS (yyvsp[-1].ttype); ;
     break;}
 case 11:
 #line 275 "c-parse.y"
@@ -2012,7 +2015,7 @@ case 46:
 case 47:
 #line 406 "c-parse.y"
 { yyval.ttype = yyvsp[0].ttype;
-		  RESTORE_WARN_FLAGS (yyvsp[-1].itype); ;
+		  RESTORE_WARN_FLAGS (yyvsp[-1].ttype); ;
     break;}
 case 48:
 #line 409 "c-parse.y"
@@ -2511,7 +2514,7 @@ case 126:
     break;}
 case 127:
 #line 864 "c-parse.y"
-{ RESTORE_WARN_FLAGS (yyvsp[-1].itype); ;
+{ RESTORE_WARN_FLAGS (yyvsp[-1].ttype); ;
     break;}
 case 128:
 #line 874 "c-parse.y"
@@ -3065,7 +3068,7 @@ case 271:
 case 272:
 #line 1441 "c-parse.y"
 { yyval.ttype = yyvsp[0].ttype;
-		  RESTORE_WARN_FLAGS (yyvsp[-1].itype); ;
+		  RESTORE_WARN_FLAGS (yyvsp[-1].ttype); ;
     break;}
 case 274:
 #line 1448 "c-parse.y"
@@ -3882,13 +3885,13 @@ case 406:
     break;}
 case 407:
 #line 2272 "c-parse.y"
-{ yyval.itype = SAVE_WARN_FLAGS();
+{ yyval.ttype = SAVE_WARN_FLAGS();
 		  pedantic = 0;
 		  warn_pointer_arith = 0; ;
     break;}
 }
    /* the action file gets copied in in place of this dollarsign */
-#line 543 "/usr/share/misc/bison.simple"
+#line 542 "/usr/share/bison.simple"
 
   yyvsp -= yylen;
   yyssp -= yylen;
diff --git a/gcc/c-parse.in b/gcc/c-parse.in
index f3ee7e5..80ed5c3 100644
--- a/gcc/c-parse.in
+++ b/gcc/c-parse.in
@@ -166,7 +166,7 @@ end ifc
 %type <ttype> init maybeasm
 %type <ttype> asm_operands nonnull_asm_operands asm_operand asm_clobbers
 %type <ttype> maybe_attribute attributes attribute attribute_list attrib
-%type <ttype> any_word
+%type <ttype> any_word extension
 
 %type <ttype> compstmt compstmt_nostart compstmt_primary_start
 
@@ -185,8 +185,6 @@ end ifc
 %type <ttype> parmlist_or_identifiers parmlist_or_identifiers_1
 %type <ttype> identifiers_or_typenames
 
-%type <itype> extension
-
 %type <itype> setspecs
 
 %type <ends_in_label> lineno_stmt_or_label lineno_stmt_or_labels stmt_or_label
@@ -231,9 +229,11 @@ static int undeclared_variable_notice;
 
 /* For __extension__, save/restore the warning flags which are
    controlled by __extension__.  */
-#define SAVE_WARN_FLAGS() (pedantic | (warn_pointer_arith << 1))
-#define RESTORE_WARN_FLAGS(val) \
+#define SAVE_WARN_FLAGS()	\
+	build_int_2 (pedantic | (warn_pointer_arith << 1), 0)
+#define RESTORE_WARN_FLAGS(tval) \
   do {                                     \
+    int val = TREE_INT_CST_LOW (tval);     \
     pedantic = val & 1;                    \
     warn_pointer_arith = (val >> 1) & 1;   \
   } while (0)
diff --git a/gcc/c-parse.y b/gcc/c-parse.y
index 4e170ec..44fe723 100644
--- a/gcc/c-parse.y
+++ b/gcc/c-parse.y
@@ -154,7 +154,7 @@ const char * const language_string = "GNU C";
 %type <ttype> init maybeasm
 %type <ttype> asm_operands nonnull_asm_operands asm_operand asm_clobbers
 %type <ttype> maybe_attribute attributes attribute attribute_list attrib
-%type <ttype> any_word
+%type <ttype> any_word extension
 
 %type <ttype> compstmt compstmt_nostart compstmt_primary_start
 
@@ -173,8 +173,6 @@ const char * const language_string = "GNU C";
 %type <ttype> parmlist_or_identifiers parmlist_or_identifiers_1
 %type <ttype> identifiers_or_typenames
 
-%type <itype> extension
-
 %type <itype> setspecs
 
 %type <ends_in_label> lineno_stmt_or_label lineno_stmt_or_labels stmt_or_label
@@ -206,9 +204,11 @@ static int undeclared_variable_notice;
 
 /* For __extension__, save/restore the warning flags which are
    controlled by __extension__.  */
-#define SAVE_WARN_FLAGS() (pedantic | (warn_pointer_arith << 1))
-#define RESTORE_WARN_FLAGS(val) \
+#define SAVE_WARN_FLAGS()	\
+	build_int_2 (pedantic | (warn_pointer_arith << 1), 0)
+#define RESTORE_WARN_FLAGS(tval) \
   do {                                     \
+    int val = TREE_INT_CST_LOW (tval);     \
     pedantic = val & 1;                    \
     warn_pointer_arith = (val >> 1) & 1;   \
   } while (0)
diff --git a/gcc/objc/objc-parse.c b/gcc/objc/objc-parse.c
index 6b545f0..a2e0ff8 100644
--- a/gcc/objc/objc-parse.c
+++ b/gcc/objc/objc-parse.c
@@ -1,6 +1,7 @@
 
 /*  A Bison parser, made from objc-parse.y
-    by GNU Bison version 1.28  */
+ by  GNU Bison version 1.27
+  */
 
 #define YYBISON 1  /* Identify Bison output.  */
 
@@ -99,7 +100,7 @@ const char * const language_string = "GNU Obj-C";
 #line 65 "objc-parse.y"
 typedef union {long itype; tree ttype; enum tree_code code;
 	char *filename; int lineno; int ends_in_label; } YYSTYPE;
-#line 198 "objc-parse.y"
+#line 196 "objc-parse.y"
 
 /* Number of statements (loosely speaking) and compound statements 
    seen so far.  */
@@ -123,9 +124,11 @@ static int undeclared_variable_notice;
 
 /* For __extension__, save/restore the warning flags which are
    controlled by __extension__.  */
-#define SAVE_WARN_FLAGS() (pedantic | (warn_pointer_arith << 1))
-#define RESTORE_WARN_FLAGS(val) \
+#define SAVE_WARN_FLAGS()	\
+	build_int_2 (pedantic | (warn_pointer_arith << 1), 0)
+#define RESTORE_WARN_FLAGS(tval) \
   do {                                     \
+    int val = TREE_INT_CST_LOW (tval);     \
     pedantic = val & 1;                    \
     warn_pointer_arith = (val >> 1) & 1;   \
   } while (0)
@@ -1746,8 +1749,8 @@ static const short yycheck[] = {    56,
     46,    47,    48,    49,    50,    51,    52,    53,    54
 };
 /* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
-#line 3 "/usr/share/misc/bison.simple"
-/* This file comes from bison-1.28.  */
+#line 3 "/usr/share/bison.simple"
+/* This file comes from bison-1.27.  */
 
 /* Skeleton output parser for bison,
    Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
@@ -1960,7 +1963,7 @@ __yy_memcpy (char *to, char *from, unsigned int count)
 #endif
 #endif
 
-#line 217 "/usr/share/misc/bison.simple"
+#line 216 "/usr/share/bison.simple"
 
 /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    into yyparse.  The argument should have type void *.
@@ -2325,7 +2328,7 @@ case 10:
     break;}
 case 11:
 #line 294 "objc-parse.y"
-{ RESTORE_WARN_FLAGS (yyvsp[-1].itype); ;
+{ RESTORE_WARN_FLAGS (yyvsp[-1].ttype); ;
     break;}
 case 12:
 #line 299 "objc-parse.y"
@@ -2495,7 +2498,7 @@ case 49:
 case 50:
 #line 432 "objc-parse.y"
 { yyval.ttype = yyvsp[0].ttype;
-		  RESTORE_WARN_FLAGS (yyvsp[-1].itype); ;
+		  RESTORE_WARN_FLAGS (yyvsp[-1].ttype); ;
     break;}
 case 51:
 #line 435 "objc-parse.y"
@@ -3093,7 +3096,7 @@ case 136:
     break;}
 case 137:
 #line 982 "objc-parse.y"
-{ RESTORE_WARN_FLAGS (yyvsp[-1].itype); ;
+{ RESTORE_WARN_FLAGS (yyvsp[-1].ttype); ;
     break;}
 case 138:
 #line 992 "objc-parse.y"
@@ -3652,7 +3655,7 @@ case 282:
 case 283:
 #line 1569 "objc-parse.y"
 { yyval.ttype = yyvsp[0].ttype;
-		  RESTORE_WARN_FLAGS (yyvsp[-1].itype); ;
+		  RESTORE_WARN_FLAGS (yyvsp[-1].ttype); ;
     break;}
 case 285:
 #line 1576 "objc-parse.y"
@@ -4471,7 +4474,7 @@ case 417:
     break;}
 case 418:
 #line 2402 "objc-parse.y"
-{ yyval.itype = SAVE_WARN_FLAGS();
+{ yyval.ttype = SAVE_WARN_FLAGS();
 		  pedantic = 0;
 		  warn_pointer_arith = 0; ;
     break;}
@@ -5150,7 +5153,7 @@ case 570:
     break;}
 }
    /* the action file gets copied in in place of this dollarsign */
-#line 543 "/usr/share/misc/bison.simple"
+#line 542 "/usr/share/bison.simple"
 
   yyvsp -= yylen;
   yyssp -= yylen;
diff --git a/gcc/objc/objc-parse.y b/gcc/objc/objc-parse.y
index 46b7f38..1b03e8c 100644
--- a/gcc/objc/objc-parse.y
+++ b/gcc/objc/objc-parse.y
@@ -155,7 +155,7 @@ const char * const language_string = "GNU Obj-C";
 %type <ttype> init maybeasm
 %type <ttype> asm_operands nonnull_asm_operands asm_operand asm_clobbers
 %type <ttype> maybe_attribute attributes attribute attribute_list attrib
-%type <ttype> any_word
+%type <ttype> any_word extension
 
 %type <ttype> compstmt compstmt_nostart compstmt_primary_start
 
@@ -174,8 +174,6 @@ const char * const language_string = "GNU Obj-C";
 %type <ttype> parmlist_or_identifiers parmlist_or_identifiers_1
 %type <ttype> identifiers_or_typenames
 
-%type <itype> extension
-
 %type <itype> setspecs
 
 %type <ends_in_label> lineno_stmt_or_label lineno_stmt_or_labels stmt_or_label
@@ -218,9 +216,11 @@ static int undeclared_variable_notice;
 
 /* For __extension__, save/restore the warning flags which are
    controlled by __extension__.  */
-#define SAVE_WARN_FLAGS() (pedantic | (warn_pointer_arith << 1))
-#define RESTORE_WARN_FLAGS(val) \
+#define SAVE_WARN_FLAGS()	\
+	build_int_2 (pedantic | (warn_pointer_arith << 1), 0)
+#define RESTORE_WARN_FLAGS(tval) \
   do {                                     \
+    int val = TREE_INT_CST_LOW (tval);     \
     pedantic = val & 1;                    \
     warn_pointer_arith = (val >> 1) & 1;   \
   } while (0)