===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/parse/lex.c,v
retrieving revision 1.6
retrieving revision 1.10
diff -u -p -r1.6 -r1.10
--- OpenXM_contrib2/asir2000/parse/lex.c	2000/11/13 01:48:13	1.6
+++ OpenXM_contrib2/asir2000/parse/lex.c	2000/12/06 01:27:16	1.10
@@ -45,18 +45,20 @@
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
  *
- * $OpenXM: OpenXM_contrib2/asir2000/parse/lex.c,v 1.5 2000/08/22 05:04:27 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/parse/lex.c,v 1.9 2000/12/05 01:51:35 noro Exp $ 
 */
 #include <ctype.h>
 #include "ca.h"
 #include "al.h"
 #include "base.h"
 #include "parse.h"
-#if !defined(THINK_C)
 #include <sys/types.h>
 #include <sys/stat.h>
-#endif
+#if defined(VISUAL)
+#include "ytab.h"
+#else
 #include "y.tab.h"
+#endif
 
 extern IN asir_infile;
 extern struct oTKWD kwd[];
@@ -401,16 +403,15 @@ yylex()
 
 void purge_stdin()
 {
-#if defined(VISUAL)
-#elif defined(__FreeBSD__)
+#if defined(__FreeBSD__)
 	fpurge(stdin);
 #elif defined(linux)
 	stdin->_IO_read_end = stdin->_IO_read_base;
 	stdin->_IO_read_ptr = stdin->_IO_read_base;
-#elif defined(sparc) || defined(__alpha) || defined(__SVR4) || defined(mips)
-	stdin->_ptr = stdin->_base; stdin->_cnt = 0;
-#elif defined(VISUAL)
+#elif defined(VISUAL_LIB)
 	w_purge_stdin();
+#elif defined(sparc) || defined(__alpha) || defined(__SVR4) || defined(mips) || defined(VISUAL)
+	stdin->_ptr = stdin->_base; stdin->_cnt = 0;
 #else
 --->FIXIT
 #endif
@@ -558,7 +559,11 @@ static int Getc() {
 			if ((c = Egetc(asir_infile->fp)) == EOF)
 				if ( NEXT(asir_infile) ) {
 					closecurrentinput();
-					c = Getc();
+					/* if the input is the top level, generate error */
+					if ( !NEXT(asir_infile) )
+						error("end-of-file detected during parsing");
+					else
+						c = Getc();
 					break;
 				} else if ( read_exec_file || do_file )
 					asir_terminate(2);