@NotNull
@Override
public PsiPolyVariantReference getReference(PyResolveContext context) {
final PsiFile file = getContainingFile();
final PyExpression qualifier = getQualifier();
// Handle import reference
final PsiElement importParent =
PsiTreeUtil.getParentOfType(this, PyImportElement.class, PyFromImportStatement.class);
if (importParent != null) {
return PyImportReference.forElement(this, importParent, context);
}
// Return special reference
final ConsoleCommunication communication =
file.getCopyableUserData(PydevConsoleRunner.CONSOLE_KEY);
if (communication != null) {
if (qualifier != null) {
return new PydevConsoleReference(this, communication, qualifier.getText() + ".");
}
return new PydevConsoleReference(this, communication, "");
}
if (qualifier != null) {
return new PyQualifiedReference(this, context);
}
return new PyReferenceImpl(this, context);
}
/**
* Looks for two standard decorators to a function, or a wrapping assignment that closely follows
* it.
*
* @return a flag describing what was detected.
*/
@Nullable
public Modifier getModifier() {
String deconame = getClassOrStaticMethodDecorator();
if (PyNames.CLASSMETHOD.equals(deconame)) {
return CLASSMETHOD;
} else if (PyNames.STATICMETHOD.equals(deconame)) {
return STATICMETHOD;
}
// implicit staticmethod __new__
PyClass cls = getContainingClass();
if (cls != null && PyNames.NEW.equals(getName()) && cls.isNewStyleClass()) {
return STATICMETHOD;
}
//
if (getStub() != null) {
return getWrappersFromStub();
}
String func_name = getName();
if (func_name != null) {
PyAssignmentStatement assignment =
PsiTreeUtil.getNextSiblingOfType(this, PyAssignmentStatement.class);
if (assignment != null) {
for (Pair<PyExpression, PyExpression> pair : assignment.getTargetsToValuesMapping()) {
PyExpression value = pair.getSecond();
if (value instanceof PyCallExpression) {
PyExpression target = pair.getFirst();
if (target instanceof PyTargetExpression && func_name.equals(target.getName())) {
Pair<String, PyFunction> interpreted =
interpretAsModifierWrappingCall((PyCallExpression) value, this);
if (interpreted != null) {
PyFunction original = interpreted.getSecond();
if (original == this) {
String wrapper_name = interpreted.getFirst();
if (PyNames.CLASSMETHOD.equals(wrapper_name)) {
return CLASSMETHOD;
} else if (PyNames.STATICMETHOD.equals(wrapper_name)) {
return STATICMETHOD;
}
}
}
}
}
}
}
}
return null;
}
/** @param self should be this */
@NotNull
private static List<PyAssignmentStatement> findAttributesStatic(@NotNull final PsiElement self) {
final List<PyAssignmentStatement> result = new ArrayList<>();
for (final PyAssignmentStatement statement :
new PsiQuery(self).siblings(PyAssignmentStatement.class).getElements()) {
for (final PyQualifiedExpression targetExpression :
new PsiQuery(statement.getTargets()).filter(PyQualifiedExpression.class).getElements()) {
final PyExpression qualifier = targetExpression.getQualifier();
if (qualifier == null) {
continue;
}
final PsiReference qualifierReference = qualifier.getReference();
if (qualifierReference == null) {
continue;
}
if (qualifierReference.isReferenceTo(self)) {
result.add(statement);
}
}
}
return result;
}