X-Git-Url: http://winboard.nl/cgi-bin?p=uci2wb.git;a=blobdiff_plain;f=UCI2WB.c;h=b9df43c4c1e53bfc99c1ed79af265c4f22f4f919;hp=178cdcb97e7c71b8cdd38df66a18b8a1cfcb4966;hb=9e92f9f1e4e601912bd40334c9f89677b9b65f23;hpb=8e699739bef4730a34efb65939800a3a3b6f13b0

diff --git a/UCI2WB.c b/UCI2WB.c
index 178cdcb..b9df43c 100644
--- a/UCI2WB.c
+++ b/UCI2WB.c
@@ -42,7 +42,7 @@
 #define NONE  2
 #define ANALYZE 3
 
-char move[2000][10], iniPos[256], hashOpt[20], pause, pondering, suspended, ponder, post, hasHash, c, sc='c', suffix[81], varOpt, searching, *binary;
+char move[2000][10], iniPos[256], hashOpt[20], pause, suspended, ponder, post, hasHash, c, sc='c', suffix[81], varOpt, searching, *binary;
 int mps, tc, inc, sTime, depth, myTime, hisTime, stm, computer = NONE, memory, oldMem=0, cores, moveNr, lastDepth, lastScore, startTime, debug, flob;
 int statDepth, statScore, statNodes, statTime, currNr, size, collect, nr, sm, inex, on[500], frc, byo = -1, namOpt, comp;
 char currMove[20], moveMap[500][10], /* for analyze mode */ canPonder[20], threadOpt[20], varList[8000], anaOpt[20], backLog[10000], checkOptions[8192] = "Ponder";
@@ -189,7 +189,7 @@ StartPonder(int moveNr)
 {
 	if(!move[moveNr][0]) return; // no ponder move
 	LoadPos(moveNr+1);
-	pondering = 1; lastDepth = 1;
+	searching = 1; lastDepth = 1;
 	StartSearch(" ponder");
 }
 
@@ -202,9 +202,9 @@ Analyze(char *val)
 int
 Release()
 {   // send setoption commands backlogged during thinking to engine, aborting ponder or analysis search if necessary
-    int len = logLen - sentLen, analyse = searching;
+    int len = logLen - sentLen, analyse = (searching == 2);
     if(len <= 0) return 0;
-    StopPonder(pondering | searching); pondering = searching = 0; // force new search if settings change during analysis (multi-PV!)
+    StopPonder(searching); searching = 0; // force new search if settings change during analysis (multi-PV!)
     fwrite(backLog + sentLen, 1, len, toE); sentLen += len; DPRINT("# release %d\n", len);
     if(ponder && computer == 1 - stm) StartPonder(moveNr); // (re)start ponder search
     return analyse; // return 1 if analysis search should be restarted
@@ -243,34 +243,29 @@ Move4GUI(char *m)
 }
 
 int
-GetChar()
+ReadLine (FILE *f, char *line)
 {
-    int c;
-    if(fromF) {
-	if((c = fgetc(fromF)) != EOF) return c;
-	fclose(fromF); fromF = 0; printf("# end fake\n");
-    }
-    return fgetc(fromE);
+    int x, i = 0;
+    while((x = fgetc(f)) != EOF && (line[i] = x) != '\n') i++; line[++i] = 0;
+    return (x != EOF);
 }
 
-void *
-Engine2GUI()
+void
+HandleEngineOutput()
 {
     char line[1024], command[256]; static char egts[999];
 
-    if(fromF = fopen("DefectiveEngineOptions.ini", "r")) printf("# fake engine input\n");
     while(1) {
 	int i=0, x; char *p, dummy, len;
 
 	fflush(stdout); fflush(toE);
-	while((line[i] = x = GetChar()) != EOF && line[i] != '\n') i++;
-	line[++i] = 0;
-	if(x == EOF) printf("tellusererror UCI2WB: %s died on me\n", binary), exit(0);
+	if(fromF && !ReadLine(fromF, line))  fromF = 0, printf("# end fake\n");
+	if(!fromF && !ReadLine(fromE, line)) printf("tellusererror UCI2WB: %s died on me\n", binary), exit(0);
 	DPRINT("# engine said: %s", line), fflush(stdout);
 	if(sscanf(line, "%s", command) != 1) continue;
 	if(!strcmp(command, "bestmove")) {
-	    if(pause == 1) { pondering = pause = 0; Sync(WAKEUP); continue; } // bestmove was reply to ponder miss or analysis result; ignore.
-	    else if(pondering) { pondering = 0; printf("%d 0 0 0 UCI violation! Engine moves during ponder\n", lastDepth+1); continue; } // ignore ponder search
+	    if(pause == 1) { searching = pause = 0; Sync(WAKEUP); continue; } // bestmove was reply to ponder miss or analysis result; ignore.
+	    else if(searching == 1) { searching = 0; printf("%d 0 0 0 UCI violation! Engine moves during ponder\n", lastDepth+1); continue; } // ignore ponder search
 	    // move was a move to be played
 	    if(p = strstr(line+8, " draw")) *p = 0, printf("offer draw\n"); // UCCI
 	    if(strstr(line+9, "resign")) { printf("resign\n"); computer = NONE; }
@@ -416,6 +411,13 @@ Engine2GUI()
     }
 }
 
+void *
+Engine2GUI()
+{
+    if(fromF = fopen("DefectiveEngineOptions.ini", "r")) printf("# fake engine input\n");
+    HandleEngineOutput();
+}
+
 void
 Move4Engine(char *m)
 {
@@ -434,13 +436,14 @@ Move4Engine(char *m)
     }
 }
 
+int DoCommand ();
+char mySide;
+char queue[10000], *qStart, *qEnd;
+
 void
-GUI2Engine()
+LaunchSearch()
 {
-    char line[256], command[256], *p, *q, *r, mySide, type[99];
-
-    while(1) {
-	int i, x, difficult, think=0;
+    int i;
 
 	if((computer == stm || computer == ANALYZE && !searching) && !suspended) {
 	    DPRINT("# start search\n");
@@ -453,16 +456,24 @@ GUI2Engine()
 		    EPRINT((f, " searchmoves"))
 		    for(i=1; i<nr; i++) if(on[i]) EPRINT((f, " %s", moveMap[i]))
 		}
-		EPRINT((f, "\n")) searching = 1; // suppresses spurious commands during analysis starting new searches
-	    } else pause = think = 2, StartSearch(""); // request suspending of input processing while thinking
+		EPRINT((f, "\n")) searching = 2; // suppresses spurious commands during analysis starting new searches
+	    } else pause = 2, searching = 3, StartSearch(""); // request suspending of input processing while thinking
 	} else if(ponderAlways && computer == NONE) move[moveNr][0] = 0, StartPonder(moveNr-1);
-      nomove:
+}
+
+void
+GUI2Engine()
+{
+    char line[256], command[256], *p;
+
+    while(1) {
+	int i, difficult;
+
        for(difficult=0; !difficult; ) { // read and handle commands that can (or must) be handled during thinking
 	fflush(toE); fflush(stdout);
-	i = 0; while((x = getchar()) != EOF && (line[i] = x) != '\n') i++;
-	line[++i] = 0; if(x == EOF) { printf("# EOF\n"); sprintf(line, "quit -1\n"); }
-	if(think && !pause) Sync(PAUSE), think = 0, Release(); // if no longer thinking, take dummy pause
-	sscanf(line, "%s", command); DPRINT("# '%s' think=%d pause=%d log=%d sent=%d\n", command, think, pause, logLen, sentLen);
+	if(!ReadLine(stdin, line)) printf("# EOF\n"), sprintf(line, "quit -1\n");
+	if(searching == 3 && !pause) Sync(PAUSE), searching = 0, Release(); // if no longer thinking, take dummy pause
+	sscanf(line, "%s", command); DPRINT("# '%s' searching=%d pause=%d log=%d sent=%d\n", command, searching, pause, logLen, sentLen);
 	if(!strcmp(command, "usermove")) { difficult--; break; } // for efficiency during game play, moves, time & otim are tried first
 	else if(!strcmp(command, "time"))   sscanf(line+4, "%d", &myTime),  myTime  = (10*myTime)/unit;
 	else if(!strcmp(command, "otim"))   sscanf(line+4, "%d", &hisTime), hisTime = (10*hisTime)/unit;
@@ -471,8 +482,8 @@ GUI2Engine()
 	else if(!strcmp(command, "nopost"))post = 0;
 	else if(!strcmp(command, "pause")) {
 	    if(computer == stm) myTime -= GetTickCount() - startTime;
-	    suspended = 1 + pondering; // remember if we were pondering, and stop search ignoring bestmove
-	    StopPonder(pondering || computer == stm);
+	    suspended = 1 + (searching == 1); // remember if we were pondering, and stop search ignoring bestmove
+	    StopPonder(searching);
 	}
 	else { //convert easy & hard to "option" after treating their effect on the adapter
 	  if(!strcmp(command, "easy")) {
@@ -494,7 +505,7 @@ GUI2Engine()
 		snprintf(backLog+logLen, 9999-logLen, "setoption %s%s %s%s", nameWord, line+7, valueWord, p);
 	    } else snprintf(backLog+logLen, 9999-logLen, "setoption %s%s\n", nameWord, line+7);
 	    DPRINT("# backlog: %s", backLog+logLen); logLen += strlen(backLog+logLen);
-	    if(!think && Release()) break; // break will restart analysis; pondering is restarted by Release itself
+	    if(searching < 3 && Release()) break; // break will restart analysis; pondering is restarted by Release itself
 	  }
 	  else difficult = 1; // difficult command; terminate loop for easy ones
 	}
@@ -506,28 +517,47 @@ GUI2Engine()
 	    Move4Engine(command);
 	    stm = WHITE+BLACK - stm; collect = (computer == ANALYZE); sm = 0;
 	    // when pondering we either continue the ponder search as normal search, or abort it
-	    if(pondering || computer == ANALYZE) {
-		if(pondering && !strcmp(command, move[moveNr])) { // ponder hit
+	    if(searching) { // move cannot come during think
+		if(searching == 1 && !strcmp(command, move[moveNr])) { // ponder hit
 		    char *draw = drawOffer ? " draw" : ""; drawOffer = 0;
-		    pondering = 0; pause = 2; moveNr++; startTime = GetTickCount(); // clock starts running now
+		    searching = 0; pause = 2; moveNr++; startTime = GetTickCount(); // clock starts running now
 		    EPRINT((f, "# ponderhit%s\n", draw)) fflush(toE); fflush(stdout);
-		    think = 2; // request blocking input during thinking
-		    goto nomove;
+		    searching = 3; // request blocking input during thinking
+		    continue;
 		}
 		StopPonder(1); searching = 0;
 	    }
 	    strcpy(move[moveNr++], command); // possibly overwrites ponder move
-	    continue;
-	}
+	} else
 	if(!strcmp(command, "resume")) {
+	    searching = 0;
 	    if(suspended == 2) StartPonder(moveNr); // restart interrupted ponder search
-	    suspended = think = 0; continue;  // causes thinking to start in normal way if on move or analyzing
-	}
-	if(think) { // command arrived during thinking; order abort for 'instant commands'
+	    suspended = 0;  // causes thinking to start in normal way if on move or analyzing
+	} else
+      {
+	if(searching == 3) { // command arrived during thinking; order abort for 'instant commands'
 	    if(!strcmp(command, "?") || !strcmp(command, "quit") ||
 	       !strcmp(command, "force") || !strcmp(command, "result")) { EPRINT((f, "# stop\n")); fflush(toE); }
 	    Sync(PAUSE); Release(); // block processing of difficult commands during thinking; send backlog left because of race
 	}
+	if(qStart == qEnd) qStart = qEnd = queue;
+	p = line; while(qEnd < queue+10000 && (*qEnd++ = *p++) != '\n') {}
+	if(DoCommand()) continue;
+      }
+
+	LaunchSearch(); // start a search if we need one
+    }
+}
+
+int
+DoCommand ()
+{
+    char line[1024], command[256], *p, *q, *r, type[99];
+    int i;
+
+    p=line; while(qStart < qEnd && (*p++ = *qStart++) != '\n') {} *p = 0;
+    sscanf(line, "%s", command);
+
 	if(!strcmp(command, "new")) {
 	    computer = BLACK; moveNr = 0; depth = -1; move[0][0] = 0;
 	    stm = WHITE; strcpy(iniPos, "position startpos"); frc &= ~1;
@@ -579,24 +609,24 @@ GUI2Engine()
 		if(!strcmp(line+8, "fischerandom\n")) { frc |= 1; if(frc > 0) EPRINT((f, "# setoption name UCI_Chess960 value true\n")) }
 	}
 	else if(!strcmp(command, "undo") && (i=1) || !strcmp(command, "remove") && (i=2)) {
-	    if(pondering || computer == ANALYZE) StopPonder(1), searching = 0;
+	    if(searching) StopPonder(1), searching = 0;
 	    moveNr = moveNr > i ? moveNr - i : 0; collect = (computer == ANALYZE); sm = 0;
 	}
 	else if(!strcmp(command, ".")) {
 	    printf("stat01: %d %d %d %d 100 %s\n", statTime, statNodes, statDepth, 100-currNr, currMove);
-	    goto nomove;
+	    return 1;
 	}
 	else if(!strcmp(command+2, "clude") && collect > 2) { // include or exclude
 	    int all = !strcmp(line+8, "all"), in = command[1] == 'n';
 	    inex = 1; line[strlen(line)-1] = sm = 0; // strip LF and clear sm flag
 	    for(i=1; i<nr; i++) { if(!strcmp(line+8, moveMap[i]) || all) on[i] = in; sm |= on[i]+1; } // sm: 2 = enabled, 1 = disabled
-	    if(!(sm & 2)) goto nomove; // no moves enabled; continue current search
+	    if(!(sm & 2)) return 1; // no moves enabled; continue current search
 	    if(computer == ANALYZE) StopPonder(1), searching = 0; // abort old analysis
 	}
 	else if(!strcmp(command, "xboard")) ;
 	else if(!strcmp(command, "analyze"))computer = ANALYZE, collect = 1, sm = 0, Analyze("true");
 	else if(!strcmp(command, "exit"))   computer = NONE, StopPonder(1), searching = 0, Analyze("false");
-	else if(!strcmp(command, "force"))  computer = NONE, StopPonder(pondering);
+	else if(!strcmp(command, "force"))  computer = NONE, StopPonder(searching == 1);
 	else if(!strcmp(command, "go"))     computer = stm;
 	else if(!strcmp(command, "ping"))   { /* static int done; if(!done) pause = 1, fprintf(toE, "isready\n"), fflush(toE), printf("# send isready\n"), fflush(stdout), Sync(PAUSE); done = 1;*/ printf("po%s", line+2); }
 	else if(!strcmp(command, "memory")) sscanf(line, "memory %d", &memory);
@@ -615,7 +645,8 @@ GUI2Engine()
 	    computer = NONE;
 	}
 	else if(!strcmp(command, "quit"))   { EPRINT((f, "# quit\n")) fflush(toE), exit(atoi(line+4)); }
-    }
+
+    return 0;
 }
 
 int