private void resolveUpperBoundsFromWhereClause(Set<JetType> upperBounds) {
JetClassOrObject classOrObject =
JetStubbedPsiUtil.getPsiOrStubParent(jetTypeParameter, JetClassOrObject.class, true);
if (classOrObject instanceof JetClass) {
JetClass jetClass = (JetClass) classOrObject;
for (JetTypeConstraint jetTypeConstraint : jetClass.getTypeConstraints()) {
DescriptorResolver.reportUnsupportedClassObjectConstraint(
resolveSession.getTrace(), jetTypeConstraint);
JetSimpleNameExpression constrainedParameterName =
jetTypeConstraint.getSubjectTypeParameterName();
if (constrainedParameterName != null) {
if (getName().equals(constrainedParameterName.getReferencedNameAsName())) {
resolveSession
.getTrace()
.record(BindingContext.REFERENCE_TARGET, constrainedParameterName, this);
JetTypeReference boundTypeReference = jetTypeConstraint.getBoundTypeReference();
if (boundTypeReference != null) {
JetType boundType = resolveBoundType(boundTypeReference);
if (!jetTypeConstraint.isClassObjectConstraint()) {
upperBounds.add(boundType);
}
}
}
}
}
}
}
@Nullable
private static JetTypeConstraint findTypeParameterConstraint(
@NotNull JetFunction function, @NotNull Name typeParameterName, int index) {
if (index != 0) {
int currentIndex = 0;
for (JetTypeConstraint constraint : function.getTypeConstraints()) {
JetSimpleNameExpression parameterName = constraint.getSubjectTypeParameterName();
assert parameterName != null;
if (typeParameterName.equals(parameterName.getReferencedNameAsName())) {
currentIndex++;
}
if (currentIndex == index) {
return constraint;
}
}
}
return null;
}