Utils/Parser Generator/SOURCE/yymless.c

@@ -0,0 +1,30 @@
+/************************************************************
+yymless.c
+This file can be freely modified for the generation of
+custom code.
+
+Copyright (c) 1999 Bumble-Bee Software Ltd.
+************************************************************/
+
+#include "mlex.h"
+
+#ifdef YYPROTOTYPE
+void YYCDECL yymless(yymlex_t YYFAR *yy, int length)
+#else
+void YYCDECL yymless(yy, length)
+yymlex_t YYFAR *yy;
+int length;
+#endif
+{
+	yyassert(yy != NULL);
+	yyassert(length >= 0 && length <= yy->yymleng);
+	while (yy->yymleng > length) {
+		(*yy->yymunput)(yy, (unsigned char) yy->yymtext[--yy->yymleng]);
+	}
+	if (yy->yymleng > 0) {
+		yy->yymeol = (unsigned char) (yy->yymtext[yy->yymleng - 1] == '\n');
+	}
+	else {
+		yy->yymeol = yy->yymoldeol;
+	}
+}