decl.c (ptr_type_node, [...]): New.

        * decl.c (ptr_type_node, va_list_type_node): New.
        * gxx.gperf (__builtin_va_arg): New.
        * parse.y (VA_ARG): New token.
        (unary_expr): Recognize it.

From-SVN: r28242

gcc/cp/ChangeLog

+1999-07-24  Richard Henderson  <rth@cygnus.com>
+
+	* decl.c (ptr_type_node, va_list_type_node): New.
+	* gxx.gperf (__builtin_va_arg): New.
+	* parse.y (VA_ARG): New token.
+	(unary_expr): Recognize it.
+
 Sun Jul 25 15:24:21 1999  Jeffrey A Law  (law@cygnus.com)
 
 	* g++FAQ.texi: Deleted per Joe Buck's request.

gcc/cp/decl.c

@@ -275,6 +275,12 @@ tree char_type_node;
 tree integer_type_node;
 tree unsigned_type_node;
 
+/* These can't be part of the above array, since they are declared
+   individially in tree.h and used by the target routines.  */
+
+tree ptr_type_node;
+tree va_list_type_node;
+
 /* Indicates that there is a type value in some namespace, although
    that is not necessarily in scope at the moment.  */
 

gcc/cp/gxx.gperf

@@ -9,6 +9,7 @@ __asm, ASM_KEYWORD, RID_UNUSED
 __asm__, ASM_KEYWORD, RID_UNUSED
 __attribute, ATTRIBUTE, RID_UNUSED
 __attribute__, ATTRIBUTE, RID_UNUSED
+__builtin_va_arg, VA_ARG, RID_UNUSED
 __complex, TYPESPEC, RID_COMPLEX
 __complex__, TYPESPEC, RID_COMPLEX
 __const, CV_QUALIFIER, RID_CONST

gcc/cp/parse.h

 typedef union {long itype; tree ttype; char *strtype; enum tree_code code; flagged_type_tree ftype; } YYSTYPE;
-#define	IDENTIFIER	258
-#define	TYPENAME	259
-#define	SELFNAME	260
-#define	PFUNCNAME	261
-#define	SCSPEC	262
-#define	TYPESPEC	263
-#define	CV_QUALIFIER	264
-#define	CONSTANT	265
-#define	STRING	266
-#define	ELLIPSIS	267
-#define	SIZEOF	268
-#define	ENUM	269
-#define	IF	270
-#define	ELSE	271
-#define	WHILE	272
-#define	DO	273
-#define	FOR	274
-#define	SWITCH	275
-#define	CASE	276
-#define	DEFAULT	277
-#define	BREAK	278
-#define	CONTINUE	279
-#define	RETURN_KEYWORD	280
-#define	GOTO	281
-#define	ASM_KEYWORD	282
-#define	TYPEOF	283
-#define	ALIGNOF	284
-#define	SIGOF	285
-#define	ATTRIBUTE	286
-#define	EXTENSION	287
-#define	LABEL	288
-#define	REALPART	289
-#define	IMAGPART	290
+#define	IDENTIFIER	257
+#define	TYPENAME	258
+#define	SELFNAME	259
+#define	PFUNCNAME	260
+#define	SCSPEC	261
+#define	TYPESPEC	262
+#define	CV_QUALIFIER	263
+#define	CONSTANT	264
+#define	STRING	265
+#define	ELLIPSIS	266
+#define	SIZEOF	267
+#define	ENUM	268
+#define	IF	269
+#define	ELSE	270
+#define	WHILE	271
+#define	DO	272
+#define	FOR	273
+#define	SWITCH	274
+#define	CASE	275
+#define	DEFAULT	276
+#define	BREAK	277
+#define	CONTINUE	278
+#define	RETURN_KEYWORD	279
+#define	GOTO	280
+#define	ASM_KEYWORD	281
+#define	TYPEOF	282
+#define	ALIGNOF	283
+#define	SIGOF	284
+#define	ATTRIBUTE	285
+#define	EXTENSION	286
+#define	LABEL	287
+#define	REALPART	288
+#define	IMAGPART	289
+#define	VA_ARG	290
 #define	AGGR	291
 #define	VISSPEC	292
 #define	DELETE	293

gcc/cp/parse.y

@@ -133,7 +133,7 @@ empty_parms ()
 %token BREAK CONTINUE RETURN_KEYWORD GOTO ASM_KEYWORD TYPEOF ALIGNOF
 %token SIGOF
 %token ATTRIBUTE EXTENSION LABEL
-%token REALPART IMAGPART
+%token REALPART IMAGPART VA_ARG
 
 /* the reserved words... C++ extensions */
 %token <ttype> AGGR
@@ -1162,6 +1162,9 @@ unary_expr:
 		{ $$ = build_x_unary_op (REALPART_EXPR, $2); }
 	| IMAGPART cast_expr %prec UNARY
 		{ $$ = build_x_unary_op (IMAGPART_EXPR, $2); }
+	| VA_ARG '(' expr_no_commas ',' type_id ')'
+		{ $$ = build_va_arg ($3, groktypename ($5.t));
+		  check_for_new_type ("__builtin_va_arg", $5); }
 	;
 
         /* Note this rule is not suitable for use in new_placement