X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=parser.l;h=7dda43f4b8b41061adffee9fc74495772d2b7adc;hb=8c94141e6c30dc94777dee5824cfbf027a18f940;hp=77837a7b6e2068eec9f8bd117872555d400a35ea;hpb=7b4dacf6fe9f8c10b6eb4d6070869a3d933dbeb5;p=xboard.git

diff --git a/parser.l b/parser.l
index 77837a7..7dda43f 100755
--- a/parser.l
+++ b/parser.l
@@ -9,9 +9,10 @@
  * parser.l -- lex parser of algebraic chess moves for XBoard
  *
  * 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:
@@ -243,8 +244,6 @@ extern void CopyBoard P((Board to, Board from));
 
     result = LegalityTest(boards[yyboardindex],
 			  PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!
-			  EP_UNKNOWN,
-                          initialRights, /* [HGM] assume all castlings allowed */
                           currentMoveString[1] - ONE,
                           currentMoveString[0] - AAA,
                           currentMoveString[3] - ONE,
@@ -305,8 +304,6 @@ extern void CopyBoard P((Board to, Board from));
 
     result = LegalityTest(boards[yyboardindex],
 			  PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!
-			  EP_UNKNOWN,
-                          initialRights, /* [HGM] assume all castlings allowed */
                           currentMoveString[1] - ONE,
                           currentMoveString[0] - AAA,
                           currentMoveString[3] - ONE,
@@ -359,8 +356,7 @@ extern void CopyBoard P((Board to, Board from));
       return IllegalMove;
 
 
-    Disambiguate(boards[yyboardindex],
-		 PosFlags(yyboardindex), EP_UNKNOWN, &cl);
+    Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &cl);
 
     currentMoveString[0] = cl.ff + AAA;
     currentMoveString[1] = cl.rf + ONE;
@@ -414,8 +410,7 @@ extern void CopyBoard P((Board to, Board from));
     if(c != '=' && c != '+' && c != NULLCHAR && CharToPiece(c) == EmptySquare)
       return IllegalMove;
 
-    Disambiguate(boards[yyboardindex],
-		 PosFlags(yyboardindex), EP_UNKNOWN, &cl);
+    Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &cl);
 
     currentMoveString[0] = cl.ff + AAA;
     currentMoveString[1] = cl.rf + ONE;
@@ -491,8 +486,6 @@ extern void CopyBoard P((Board to, Board from));
 
     result = LegalityTest(boards[yyboardindex],
 			  PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!
-			  EP_UNKNOWN,
-                          initialRights, /* [HGM] assume all castlings allowed */
                           currentMoveString[1] - ONE,
                           currentMoveString[0] - AAA,
                           currentMoveString[3] - ONE,
@@ -532,8 +525,6 @@ extern void CopyBoard P((Board to, Board from));
 
     result = LegalityTest(boards[yyboardindex],
 			  PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: might think we can e.p.!
-			  EP_UNKNOWN,
-                          initialRights, /* [HGM] assume all castlings allowed */
                           currentMoveString[1] - ONE,
                           currentMoveString[0] - AAA,
                           currentMoveString[3] - ONE,
@@ -590,8 +581,7 @@ extern void CopyBoard P((Board to, Board from));
        cl.ftIn <  BOARD_LEFT     )
       return 0;
 
-    Disambiguate(boards[yyboardindex],
-		 PosFlags(yyboardindex), EP_UNKNOWN, &cl);
+    Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &cl);
 
     currentMoveString[0] = cl.ff + AAA;
     currentMoveString[1] = cl.rf + ONE;
@@ -651,8 +641,7 @@ extern void CopyBoard P((Board to, Board from));
        cl.ftIn <  BOARD_LEFT     )
       return 0;
 
-    Disambiguate(boards[yyboardindex],
-		 PosFlags(yyboardindex), EP_UNKNOWN, &cl);
+    Disambiguate(boards[yyboardindex], PosFlags(yyboardindex), &cl);
 
     currentMoveString[0] = cl.ff + AAA;
     currentMoveString[1] = cl.rf + ONE;
@@ -705,7 +694,10 @@ 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);
@@ -714,8 +706,6 @@ extern void CopyBoard P((Board to, Board from));
     }
     return (int) LegalityTest(boards[yyboardindex],
 			      PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: e.p.!
-			      EP_UNKNOWN,
-                              castlingRights[yyboardindex], /* [HGM] use true castling rights */
 			      rf, ff, rt, ft, NULLCHAR);
 }
 
@@ -771,8 +761,6 @@ extern void CopyBoard P((Board to, Board from));
 
     return (int) LegalityTest(boards[yyboardindex],
 			      PosFlags(yyboardindex)&~F_MANDATORY_CAPTURE, // [HGM] losers: e.p.!
-			      EP_UNKNOWN,
-                              castlingRights[yyboardindex], /* [HGM] use true castling rights */
 			      rf, ff, rt, ft, NULLCHAR);
 }
 
@@ -845,11 +833,11 @@ extern void CopyBoard P((Board to, Board from));
     return (int) GameIsDrawn;
 }
 
-(([Ww](hite)?)|([Bb](lack)?))" "([Mm]ate(s|ed)?)|([Ww][io]n(s)?.*)  {
+(([Ww](hite)?)|([Bb](lack)?))" "(([Mm]ates)|([Ww][io]n(s)?)) { 
     return (int) (ToUpper(yytext[0]) == 'W' ? WhiteWins : BlackWins);
 }
 
-(([Ww](hite)?)|([Bb](lack)?))" "([Mm]ate(s|ed)?)|([Ll]os[tes]+.*)  {
+(([Ww](hite)?)|([Bb](lack)?))" "(([Mm]ated)|([Ll]os[tes]+)) { 
     return (int) (ToUpper(yytext[0]) == 'W' ? BlackWins : WhiteWins);
 }
 
@@ -918,7 +906,7 @@ extern void CopyBoard P((Board to, Board from));
     return (int) Comment; 
 }
 
-\([^()]*(\([^()]*\)[^()]*)+[^()]*\)  { 	  	/* nested () */
+\([^()]*(\([^()]*(\([^()]*(\([^()]*\)[^()]*)*\)[^()]*)*\)[^()]*)+[^()]*\)  { /* very nested () */
     return (int) Comment; 
 }
 
@@ -984,7 +972,7 @@ 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);
 }
 
@@ -996,7 +984,7 @@ 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;
     }