/// called when bytecode index "index" has been identified as the target of a branch, so needs its own basic block
/// if queueTarget is true, target index added to the _todoQueue to make sure it is translated
/// genBBStart to create the basic block structure
/// saveStack to make sure the state of the operand stack is accessible at the beginning of the basic block associated with target
/// returns the TR::TreeTop to which new treetops in the target block should be appended
TR::TreeTop * genTarget(int32_t index, bool queueTarget = true)
{
if (queueTarget)
_todoQueue.append(new (this->comp()->trStackMemory()) TodoIndex(index));
genBBStart(index);
saveStack(index);
return blocks(index)->getEntry();
}
bool saveStackRef(StackHandler *vs, Common::WriteStream *stream) {
stackLibrary *s = stackLib;
int a = 0;
while (s) {
if (s->stack == vs) {
stream->writeByte(1);
stream->writeUint16BE(stackLibTotal - a);
return true;
}
s = s->next;
a++;
}
stream->writeByte(0);
saveStack(vs->first, stream);
s = new stackLibrary;
stackLibTotal++;
if (!checkNew(s))
return false;
s->next = stackLib;
s->stack = vs;
stackLib = s;
return true;
}
//----------------------------------------------------------------------
// For saving and loading functions
//----------------------------------------------------------------------
void saveFunction(LoadedFunction *fun, Common::WriteStream *stream) {
int a;
stream->writeUint16BE(fun->originalNumber);
if (fun->calledBy) {
stream->writeByte(1);
saveFunction(fun->calledBy, stream);
} else {
stream->writeByte(0);
}
stream->writeUint32LE(fun->timeLeft);
stream->writeUint16BE(fun->runThisLine);
stream->writeByte(fun->cancelMe);
stream->writeByte(fun->returnSomething);
stream->writeByte(fun->isSpeech);
saveVariable(&(fun->reg), stream);
if (fun->freezerLevel) {
fatal(ERROR_GAME_SAVE_FROZEN);
}
saveStack(fun->stack, stream);
for (a = 0; a < fun->numLocals; a++) {
saveVariable(&(fun->localVars[a]), stream);
}
}