@Override
public void visit(VariableExpr expr) {
int index = expr.getIndex();
resultExpr = expr;
if (readFrequencies[index] != 1 || preservedVars[index]) {
return;
}
if (resultSequence.isEmpty()) {
return;
}
Statement last = resultSequence.get(resultSequence.size() - 1);
if (!(last instanceof AssignmentStatement)) {
return;
}
AssignmentStatement assignment = (AssignmentStatement) last;
if (assignment.isAsync()) {
return;
}
if (!(assignment.getLeftValue() instanceof VariableExpr)) {
return;
}
VariableExpr var = (VariableExpr) assignment.getLeftValue();
if (var.getLocation() != null
&& assignment.getLocation() != null
&& !assignment.getLocation().equals(var.getLocation())) {
return;
}
if (var.getIndex() == index) {
resultSequence.remove(resultSequence.size() - 1);
assignment.getRightValue().setLocation(assignment.getLocation());
assignment.getRightValue().acceptVisitor(this);
}
}
