private TypeProjection makeTypeProjection(KtScope scope, String typeStr) {
WritableScopeImpl withX =
new WritableScopeImpl(
scope, scope.getContainingDeclaration(), RedeclarationHandler.DO_NOTHING, "With X");
withX.addClassifierDescriptor(x);
withX.addClassifierDescriptor(y);
withX.changeLockLevel(WritableScope.LockLevel.READING);
KtTypeProjection projection =
KtPsiFactoryKt.KtPsiFactory(getProject())
.createTypeArguments("<" + typeStr + ">")
.getArguments()
.get(0);
KtTypeReference typeReference = projection.getTypeReference();
assert typeReference != null;
KotlinType type =
typeResolver.resolveType(
TypeTestUtilsKt.asLexicalScope(withX), typeReference, JetTestUtils.DUMMY_TRACE, true);
return new TypeProjectionImpl(getProjectionKind(typeStr, projection), type);
}
private static Variance getProjectionKind(String typeStr, KtTypeProjection projection) {
Variance variance;
switch (projection.getProjectionKind()) {
case IN:
variance = Variance.IN_VARIANCE;
break;
case OUT:
variance = Variance.OUT_VARIANCE;
break;
case NONE:
variance = Variance.INVARIANT;
break;
default:
throw new UnsupportedOperationException("Star projections are not supported: " + typeStr);
}
return variance;
}