static String defaultValue(Unit unit, Type t) {
if (isTypeUnknown(t)) {
return "nothing";
}
if (unit.isOptionalType(t)) {
return "null";
}
if (t.isTypeAlias() || t.isClassOrInterface() && t.getDeclaration().isAlias()) {
return defaultValue(unit, t.getExtendedType());
}
if (t.isClass()) {
TypeDeclaration c = t.getDeclaration();
if (c.equals(unit.getBooleanDeclaration())) {
return "false";
} else if (c.equals(unit.getIntegerDeclaration())) {
return "0";
} else if (c.equals(unit.getFloatDeclaration())) {
return "0.0";
} else if (c.equals(unit.getStringDeclaration())) {
return "\"\"";
} else if (c.equals(unit.getByteDeclaration())) {
return "0.byte";
} else if (c.equals(unit.getTupleDeclaration())) {
final int minimumLength = unit.getTupleMinimumLength(t);
final List<Type> tupleTypes = unit.getTupleElementTypes(t);
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < minimumLength; i++) {
sb.append(sb.length() == 0 ? "[" : ", ");
Type currentType = tupleTypes.get(i);
if (unit.isSequentialType(currentType)) {
currentType = unit.getSequentialElementType(currentType);
}
sb.append(defaultValue(unit, currentType));
}
sb.append(']');
return sb.toString();
} else if (unit.isSequentialType(t)) {
final StringBuilder sb = new StringBuilder();
sb.append('[');
if (!unit.getEmptyType().isSubtypeOf(t)) {
sb.append(defaultValue(unit, unit.getSequentialElementType(t)));
}
sb.append(']');
return sb.toString();
} else if (unit.isIterableType(t)) {
final StringBuilder sb = new StringBuilder();
sb.append('{');
if (!unit.getEmptyType().isSubtypeOf(t)) {
sb.append(defaultValue(unit, unit.getIteratedType(t)));
}
sb.append('}');
return sb.toString();
} else {
return "nothing";
}
} else {
return "nothing";
}
}
