@ExplodeLoop
@Override
public Object execute(VirtualFrame frame) {
PArguments.getControlData(frame).setIteratorAt(targetLoopIteratorSlot, null);
for (int indexSlot : enclosingBlockIndexSlots) {
PArguments.getControlData(frame).setBlockIndexAt(indexSlot, 0);
}
for (int flagSlot : enclosingIfFlagSlots) {
PArguments.getControlData(frame).setActive(flagSlot, false);
}
throw BreakException.INSTANCE;
}
public static PGenerator create(
String name,
RootCallTarget callTarget,
FrameDescriptor frameDescriptor,
MaterializedFrame declarationFrame,
Object[] arguments,
int numOfActiveFlags,
int numOfGeneratorBlockNode,
int numOfGeneratorForNode) {
/** Setting up the persistent frame in {@link #arguments}. */
GeneratorControlData generatorArgs =
new GeneratorControlData(numOfActiveFlags, numOfGeneratorBlockNode, numOfGeneratorForNode);
MaterializedFrame generatorFrame =
Truffle.getRuntime().createMaterializedFrame(PArguments.create(), frameDescriptor);
PArguments.setDeclarationFrame(arguments, declarationFrame);
PArguments.setGeneratorFrame(arguments, generatorFrame);
PArguments.setControlData(arguments, generatorArgs);
return new PGenerator(name, callTarget, frameDescriptor, arguments);
}
public Object send(Object value) throws StopIterationException {
PArguments.setSpecialArgument(arguments, value);
return callTarget.call(arguments);
}