static void captureContinuation (Context cx, CallFrame frame, int stackTop)
{
Continuation c = new Continuation ();
ScriptRuntime.setObjectProtoAndParent (c, ScriptRuntime.getTopCallScope (cx));
// Make sure that all frames upstack frames are frozen
CallFrame x = frame.parentFrame;
while (x != null && !x.frozen) {
x.frozen = true;
// Allow to GC unused stack space
for (int i = x.savedStackTop + 1; i != x.stack.Length; ++i) {
// Allow to GC unused stack space
x.stack [i] = null;
}
if (x.savedCallOp == Token.CALL) {
// the call will always overwrite the stack top with the result
x.stack [x.savedStackTop] = null;
}
else {
if (x.savedCallOp != Token.NEW)
Context.CodeBug ();
// the new operator uses stack top to store the constructed
// object so it shall not be cleared: see comments in
// setCallResult
}
x = x.parentFrame;
}
c.initImplementation (frame.parentFrame);
frame.stack [stackTop] = c;
}
