X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=parser.l;h=7e77c888285d2ad65fe083ed7a621fd1a351480e;hb=affb2d78e0cfaa22e62573dd4e65d2bb3062471c;hp=0d60813f66b9db87fe0392055535550a82ffff7f;hpb=fbaf2c67f80ae9a26950a0754128f0e366aea862;p=xboard.git

diff --git a/parser.l b/parser.l
index 0d60813..7e77c88 100755
--- a/parser.l
+++ b/parser.l
@@ -7,12 +7,12 @@
 %{
 /*
  * parser.l -- lex parser of algebraic chess moves for XBoard
- * $Id: parser.l,v 2.1 2003/10/27 19:21:00 mann Exp $
  *
  * Copyright 1991 by Digital Equipment Corporation, Maynard,
- * Massachusetts.  Enhancements Copyright
- * 1992-2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software
- * Foundation, Inc.
+ * Massachusetts.
+ *
+ * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005,
+ * 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
  *
  * The following terms apply to Digital Equipment Corporation's copyright
  * interest in XBoard:
@@ -706,7 +706,10 @@ extern void CopyBoard P((Board to, Board from));
             ff = initialRights[5];
             ft = initialRights[4];
         }
-        fprintf(debugFP, "Parser FRC long %d %d\n", ff, ft);
+        if (appData.debugMode) 
+        {
+          fprintf(debugFP, "Parser FRC long %d %d\n", ff, ft);
+        };
         if(ff < 0 || ft < 0) return 0;
     }
     sprintf(currentMoveString, "%c%c%c%c",ff+AAA,rf+ONE,ft+AAA,rt+ONE);
@@ -919,7 +922,7 @@ extern void CopyBoard P((Board to, Board from));
     return (int) Comment; 
 }
 
-\([^()]*(\([^()]*\)[^()]*)+[^()]*\)  { 	  	/* nested () */
+\([^()]*(\([^()]*(\([^()]*(\([^()]*\)[^()]*)*\)[^()]*)*\)[^()]*)+[^()]*\)  { /* very nested () */
     return (int) Comment; 
 }
 
@@ -985,7 +988,7 @@ int yyoffset()
 static void output(ch)
      int ch;
 {
-    fprintf(stderr, "PARSER BUG: unmatched character '%c' (0%o)\n",
+    if(appData.debugMode) fprintf(debugFP, "PARSER BUG: unmatched character '%c' (0%o)\n",
 	    ch, ch);
 }
 
@@ -997,7 +1000,7 @@ static void unput(ch)
 	StringToLex--;
     } else {
 	if (unputCount >= UNPUT_BUF_SIZE)
-	  fprintf(stderr, "PARSER BUG: unput buffer overflow '%c' (0%o)\n",
+	  if(appData.debugMode) fprintf(debugFP, "PARSER BUG: unput buffer overflow '%c' (0%o)\n",
 		  ch, ch);
 	unputBuffer[unputCount++] = ch;
     }