public ProofObligationList getProofObligations(POContextStack ctxt) {
ProofObligationList obligations = new ProofObligationList();
for (PODefinition d : this) {
ctxt.push(new PONameContext(d.getVariableNames()));
obligations.addAll(d.getProofObligations(ctxt));
ctxt.pop();
}
return obligations;
}
@Override
public ProofObligationList getProofObligations(POContextStack ctxt) {
ProofObligationList obligations = new ProofObligationList();
int count = 0;
boolean hasIgnore = false;
for (POCaseAlternative alt : cases) {
if (alt.pattern instanceof POIgnorePattern) {
hasIgnore = true;
}
// PONotCaseContext pushed by the POCaseAlternative...
obligations.addAll(alt.getProofObligations(ctxt, expType));
count++;
}
if (others != null) {
obligations.addAll(others.getProofObligations(ctxt));
}
for (int i = 0; i < count; i++) {
ctxt.pop();
}
if (others == null && !hasIgnore) {
obligations.add(new CasesExhaustiveObligation(this, ctxt));
}
return obligations;
}