@Override
public int hashCode() {
return ((31 * myVirtualFile.hashCode() + myIndex) * 31
+ (myElementType == null ? 0 : myElementType.hashCode()))
* 31
+ myLanguage.hashCode();
}
@Nullable
public static StubIndexReference createStubReference(
@NotNull PsiElement element, @NotNull PsiFile containingFile) {
if (element instanceof StubBasedPsiElement
&& element.isPhysical()
&& (element instanceof PsiCompiledElement || canHaveStub(containingFile))) {
final StubBasedPsiElement elt = (StubBasedPsiElement) element;
final IStubElementType elementType = elt.getElementType();
if (elt.getStub() != null || elementType.shouldCreateStub(element.getNode())) {
int index = calcStubIndex((StubBasedPsiElement) element);
if (index != -1) {
return new StubIndexReference(
containingFile, index, containingFile.getLanguage(), elementType);
}
}
}
return null;
}
private static long pack(int stubId, IStubElementType stubElementType) {
short index = stubElementType == null ? 0 : stubElementType.getIndex();
assert index >= 0 : "Unregistered token types not allowed here: " + stubElementType;
return ((long) stubId) | ((long) index << 32);
}