public void resolveEnum(EnumType e, DeclaredTypeRegistry registry) {
Preconditions.checkState(
e != null, "getEnum should only be " + "called when we know that the enum is defined");
if (e.isResolved()) {
return;
}
JSTypeExpression texp = e.getTypeExpr();
JSType enumeratedType;
if (texp == null) {
warnings.add(JSError.make(e.getTypeExprForErrorReporting().getRoot(), CIRCULAR_TYPEDEF_ENUM));
enumeratedType = JSType.UNKNOWN;
} else {
int numTypeVars = howmanyTypeVars;
enumeratedType = getTypeFromJSTypeExpression(texp, registry, null);
if (howmanyTypeVars > numTypeVars) {
warnings.add(JSError.make(texp.getRoot(), ENUM_WITH_TYPEVARS));
enumeratedType = JSType.UNKNOWN;
howmanyTypeVars = numTypeVars;
} else if (enumeratedType.isTop()) {
warnings.add(JSError.make(texp.getRoot(), ENUM_IS_TOP));
enumeratedType = JSType.UNKNOWN;
} else if (enumeratedType.isUnion()) {
warnings.add(JSError.make(texp.getRoot(), ENUM_IS_UNION));
enumeratedType = JSType.UNKNOWN;
}
}
e.resolveEnum(enumeratedType);
}
private JSType getEnumPropType(EnumType e, DeclaredTypeRegistry registry) {
resolveEnum(e, registry);
return e.getPropType();
}