@NotNull
public static PsiTypeParameter[] getTypeParameters(@NotNull PsiTypeParameterListOwner owner) {
final PsiTypeParameterList typeParameterList = owner.getTypeParameterList();
if (typeParameterList != null) {
return typeParameterList.getTypeParameters();
}
return PsiTypeParameter.EMPTY_ARRAY;
}
private static boolean processDeclarationsInMethodLike(
@NotNull final PsiParameterListOwner element,
@NotNull final PsiScopeProcessor processor,
@NotNull final ResolveState state,
@NotNull final PsiElement place,
final boolean fromBody,
@Nullable final PsiTypeParameterList typeParameterList) {
processor.handleEvent(PsiScopeProcessor.Event.SET_DECLARATION_HOLDER, element);
if (typeParameterList != null) {
final ElementClassHint hint = processor.getHint(ElementClassHint.KEY);
if (hint == null || hint.shouldProcess(ElementClassHint.DeclarationKind.CLASS)) {
if (!typeParameterList.processDeclarations(processor, state, null, place)) return false;
}
}
if (fromBody) {
final PsiParameter[] parameters = element.getParameterList().getParameters();
for (PsiParameter parameter : parameters) {
if (!processor.execute(parameter, state)) return false;
}
}
return true;
}
public static int getTypeParameterIndex(
@NotNull PsiTypeParameter typeParameter, @NotNull PsiTypeParameterList typeParameterList) {
PsiTypeParameter[] typeParameters = typeParameterList.getTypeParameters();
for (int i = 0; i < typeParameters.length; i++) {
if (typeParameter.equals(typeParameters[i])) return i;
}
LOG.assertTrue(false);
return -1;
}
public static boolean hasTypeParameters(@NotNull PsiTypeParameterListOwner owner) {
final PsiTypeParameterList typeParameterList = owner.getTypeParameterList();
return typeParameterList != null && typeParameterList.getTypeParameters().length != 0;
}