X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=parser.c;h=481e7b241c47304398c21697f5f86b2ed8ae512d;hb=51af0717099806507c09bab2416cfbc67c30224e;hp=bd1a38aef0251d8d60c9abf0f347662a63be690e;hpb=9b57df9ec247e8a2b70640bc6d3787f9c7204595;p=xboard.git

diff --git a/parser.c b/parser.c
index bd1a38a..481e7b2 100644
--- a/parser.c
+++ b/parser.c
@@ -1,7 +1,7 @@
 /*
  * parser.c --
  *
- * Copyright 2011, 2012, 2013 Free Software Foundation, Inc.
+ * Copyright 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
  * ------------------------------------------------------------------------
  *
  * GNU XBoard is free software: you can redistribute it and/or modify
@@ -155,7 +155,7 @@ PromoSuffix (char **p)
     if(**p == '=' || (gameInfo.variant == VariantSChess) && **p == '/') (*p)++; // optional = (or / for Seirawan gating)
     if(**p == '(' && (*p)[2] == ')' && isalpha( (*p)[1] )) { (*p) += 3; return ToLower((*p)[-2]); }
     if(isalpha(**p) && **p != 'x') return ToLower(*(*p)++); // reserve 'x' for multi-leg captures? 
-    if(*p != start) return '='; // must be the optional =
+    if(*p != start) return **p == '+' ? *(*p)++ : '='; // must be the optional = (or =+)
     return NULLCHAR; // no suffix detected
 }
 
@@ -174,6 +174,10 @@ NextUnit (char **p)
 	    if(fromString) return 0; // we are parsing string, so the end is really the end
 	    *p = inPtr = inputBuf;
 	    if(!ReadLine()) return 0; // EOF
+	} else if(inPtr > inputBuf + PARSEBUFSIZE/2) { // buffer fills up with already parsed stuff
+	    char *q = *p, *r = inputBuf;
+	    while(*r++ = *q++);
+	    *p = inputBuf; inPtr = r - 1;
 	}
 	parseStart = oldp = *p; // remember where we begin
 
@@ -285,12 +289,15 @@ NextUnit (char **p)
 		    toY = cl.rtIn = (currentMoveString[3] = Number(p) + '0') - ONE;
 		}
 		if(type[0] != NOTHING && type[1] != NOTHING && type[3] != NOTHING) { // fully specified.
+		    ChessSquare realPiece = boards[yyboardindex][fromY][fromX];
 		    // Note that Disambiguate does not work for illegal moves, but flags them as impossible
 		    if(piece) { // check if correct piece indicated
-			ChessSquare realPiece = boards[yyboardindex][fromY][fromX];
 			if(PieceToChar(realPiece) == '~') realPiece = (ChessSquare) (DEMOTED realPiece);
 			if(!(appData.icsActive && PieceToChar(realPiece) == '+') && // trust ICS if it moves promoted pieces
 			   piece && realPiece != cl.pieceIn) return ImpossibleMove;
+		    } else if(!separator && **p == '+') { // could be a protocol move, where bare '+' suffix means shogi-style promotion
+			if(realPiece < (wom ?  WhiteCannon : BlackCannon) && PieceToChar(PROMOTED realPiece) == '+') // seems to be that
+			   currentMoveString[4] = cl.promoCharIn = *(*p)++; // append promochar after all
 		    }
 		    result = LegalityTest(boards[yyboardindex], PosFlags(yyboardindex), fromY, fromX, toY, toX, cl.promoCharIn);
 		    if (currentMoveString[4] == NULLCHAR) { // suppy missing mandatory promotion character