Examples with JumpIR com.googlecode.aviator.code.interpreter.ir.JumpIR used on opensource projects

Example 1 with JumpIR

use of com.googlecode.aviator.code.interpreter.ir.JumpIR in project aviatorscript by killme2008.

the class InterpretCodeGenerator method resolveLabels.

private void resolveLabels(final List<IR> instruments) {
    Map<Label, Integer> /* pc */
    label2pc = new IdentityHashMap<Label, Integer>();
    ListIterator<IR> it = instruments.listIterator();
    int i = 0;
    while (it.hasNext()) {
        IR ir = it.next();
        // Find all visit_label IR, replace them with pc.
        if (ir instanceof VisitLabelIR) {
            it.remove();
            label2pc.put(((VisitLabelIR) ir).getLabel(), i);
        } else {
            i = i + 1;
        }
    }
    // resolve label to pc
    for (IR ir : instruments) {
        if (ir instanceof JumpIR) {
            ((JumpIR) ir).setPc(label2pc.get(((JumpIR) ir).getLabel()));
        }
    }
}