// Don't reset iteration-position and iteration-size
XProcData data = runtime.getXProcData();
int ipos = data.getIterationPosition();
int isize = data.getIterationSize();
data.openFrame(this);
data.setIterationPosition(ipos);
data.setIterationSize(isize);
inScopeOptions = parent.getInScopeOptions();
for (Variable var : step.getVariables()) {