public static Term wrap(Term t, String label, Ellipses ellipses) {
Cell cell = new Cell(t.getLocation(), t.getFilename());
cell.setLabel(label);
cell.setEllipses(ellipses);
cell.setContents(t);
return cell;
}
public static Term defaultTerm(Term v, org.kframework.kil.loader.Context context) {
String sort = v.getSort();
KSort ksort = KSort.getKSort(sort).mainSort();
if (ksort.isDefaultable()) return new Empty(ksort.toString());
GlobalSettings.kem.register(
new KException(
ExceptionType.WARNING,
KExceptionGroup.COMPILER,
"Don't know the default value for term " + v.toString() + ". Assuming .K",
v.getFilename(),
v.getLocation()));
return KSequence.EMPTY;
}
@Override
public void visit(TermCons node) {
if (!node.getCons().equals(MetaK.Constants.freshCons)) {
super.visit(node);
return;
}
if (!inCondition) {
GlobalSettings.kem.register(
new KException(
KException.ExceptionType.ERROR,
KException.KExceptionGroup.COMPILER,
"Fresh can only be used in conditions.",
getName(),
node.getFilename(),
node.getLocation()));
}
final Term term = node.getContents().get(0);
if (!(term instanceof Variable)) {
GlobalSettings.kem.register(
new KException(
KException.ExceptionType.ERROR,
KException.KExceptionGroup.COMPILER,
"Fresh can only be applied to variables, but was applied to\n\t\t" + term,
getName(),
term.getFilename(),
term.getLocation()));
}
Variable v = (Variable) term;
if (left.containsKey(v)) {
for (Variable v1 : left.keySet()) {
if (v1.equals(v)) {
GlobalSettings.kem.register(
new KException(
KException.ExceptionType.ERROR,
KException.KExceptionGroup.COMPILER,
"Fresh variable \"" + v1 + "\" is bound in the rule pattern.",
getName(),
v1.getFilename(),
v1.getLocation()));
}
}
}
left.put(v, new Integer(1));
}
/**
* Constructs a {@link KApp} object representing the application of the specified KLabel to the
* specified KList.
*
* @param label the KLabel which is applied to the given KList. A non-null instance of {@link
* KLabel}, {@link Variable} of sort KLabel or {@link Ambiguity}.
* @param child the KList which the given KLabel is applied to. A non-null instance of {@link
* KList}, {@link Variable} of sort KList, or {@link Ambiguity}.
*/
public KApp(Term label, Term child) {
super(label.getLocation(), label.getSource(), Sort.KITEM);
setLabel(label);
setChild(child);
}