/**
* Insert the list of <code>newPasses</code> into <code>passes</code> immediately after the pass
* named <code>id</code>.
*/
public void afterPass(List passes, Pass.ID id, List newPasses) {
for (ListIterator i = passes.listIterator(); i.hasNext(); ) {
Pass p = (Pass) i.next();
if (p.id() == id) {
for (Iterator j = newPasses.iterator(); j.hasNext(); ) {
i.add(j.next());
}
return;
}
}
throw new InternalCompilerError("Pass " + id + " not found.");
}
/** Remove the pass named <code>id</code> from <code>passes</code>. */
public void removePass(List passes, Pass.ID id) {
for (ListIterator i = passes.listIterator(); i.hasNext(); ) {
Pass p = (Pass) i.next();
if (p.id() == id) {
if (p instanceof BarrierPass) {
throw new InternalCompilerError("Cannot remove a barrier pass.");
}
i.remove();
return;
}
}
throw new InternalCompilerError("Pass " + id + " not found.");
}
/**
* Insert the list of <code>newPasses</code> into <code>passes</code> immediately before the pass
* named <code>id</code>.
*/
public void beforePass(List passes, Pass.ID id, List newPasses) {
for (ListIterator i = passes.listIterator(); i.hasNext(); ) {
Pass p = (Pass) i.next();
if (p.id() == id) {
// Backup one position.
i.previous();
for (Iterator j = newPasses.iterator(); j.hasNext(); ) {
i.add(j.next());
}
return;
}
}
throw new InternalCompilerError("Pass " + id + " not found.");
}