void doReturn(AST_expr* value) {
assert(value);
CFGBlock *rtn_dest = getReturn();
if (rtn_dest != NULL) {
push_back(makeAssign("#rtnval", value));
AST_Jump *j = makeJump();
j->target = rtn_dest;
curblock->connectTo(rtn_dest);
push_back(j);
} else {
AST_Return *node = new AST_Return();
node->value = value;
node->col_offset = value->col_offset;
node->lineno = value->lineno;
push_back(node);
}
curblock = NULL;
}
Instruction Instruction::makeFork(Instruction* ptr, uint32_t offset) {
Instruction i = makeJump(ptr, offset);
i.OpCode = FORK_OP;
return i;
}
int bestMJalt(PGAME orgGame, PGAME game, int d, int f, int returnScore){
int i;
int bestIndex = 0;
int bestIndexScore = 0;
for(i = 0; i < game->mjCount && d > 0; i++){
GAME newGame;
memcpy(&newGame, game, sizeof(GAME));
if (newGame.canJ) {
makeJump(i, &newGame);
}else{
makeMove(i, &newGame);
}
changeTurn(&newGame);
cleanUp(&newGame);
findJumpersForGame(&newGame);
if (!newGame.canJ) {
findMoversForGame(&newGame);
}
int tempScore;
if(f > 0 && d > 0){
tempScore = bestMJalt(orgGame, &newGame, d-1, f, 1);
}
if(tempScore > bestIndexScore){
bestIndexScore = tempScore;
bestIndex = i;
}else{
if(tempScore == bestIndexScore && returnScore == 0){
if(rand()%2 == 0){
bestIndexScore = tempScore;
bestIndex = i;
}
}
}
}
if(game->turn != orgGame->turn)
bestIndexScore = -bestIndexScore;
if(returnScore)
return bestIndexScore;
return bestIndex;
}
int bestMJ(PGAME orgGame, PGAME game, int d, int f){
int i;
int bestIndex = 0;
int bestIndexScore = 0;
for(i = 0; i < game->mjCount && d > 0; i++){
GAME newGame;
memcpy(&newGame, game, sizeof(GAME));
if (newGame.canJ) {
makeJump(i, &newGame);
}else{
makeMove(i, &newGame);
}
changeTurn(&newGame);
cleanUp(&newGame);
findJumpersForGame(&newGame);
if (!newGame.canJ) {
findMoversForGame(&newGame);
}
int tempScore = scoreGames(orgGame, &newGame);
if(tempScore > bestIndexScore){
bestIndexScore = tempScore;
bestIndex = i;
f++;
}else{
if(tempScore == bestIndexScore){
if(rand()%2 == 0){
bestIndexScore = tempScore;
bestIndex = i;
}
f++;
}else{
f--;
}
}
if(f > 0 && d > 0){
bestMJ(orgGame, &newGame, d-1, f);
}
}
return bestIndex;
}
