Utils/Parser Generator/SOURCE/yympop.c

@@ -0,0 +1,41 @@
+/************************************************************
+yympop.c
+This file can be freely modified for the generation of
+custom code.
+
+Copyright (c) 1999 Bumble-Bee Software Ltd.
+************************************************************/
+
+#include "myacc.h"
+
+#ifdef YYDEBUG
+#ifdef YYPROTOTYPE
+void YYCDECL yympop(yymparse_t YYFAR *yy, int num)
+#else
+void YYCDECL yympop(yy, num)
+yymparse_t YYFAR *yy;
+int num;
+#endif
+{
+	yyassert(yy != NULL);
+	yyassert(num >= 0);
+	yy->yymtop -= num;
+	yyassert(yy->yymtop >= -1);
+
+	/* debugging */
+	if (yydebug || yy->yymdebug) {
+		if (num > 0) {
+			char string[128];
+
+			sprintf(string, "%p: pop %d state(s)", (void *) yy, (int) num);
+			yymparsedebugoutput(yy, string);
+			if (yy->yymtop >= 0) {
+				sprintf(string, " uncovering state %d",
+					(int) yy->yymstackptr[yy->yymtop]);
+				yymparsedebugoutput(yy, string);
+			}
+			yymparsedebugoutput(yy, "\n");
+		}
+	}
+}
+#endif