@NotNull
static List<HighlightInfo> checkDuplicateRequires(@NotNull PsiJavaModule module) {
List<HighlightInfo> results = ContainerUtil.newSmartList();
Map<String, PsiElement> map = ContainerUtil.newHashMap();
for (PsiElement child = module.getFirstChild(); child != null; child = child.getNextSibling()) {
if (child instanceof PsiRequiresStatement) {
PsiJavaModuleReferenceElement ref = ((PsiRequiresStatement) child).getReferenceElement();
if (ref != null) {
String text = ref.getReferenceText();
if (!map.containsKey(text)) {
map.put(text, child);
} else {
String message = JavaErrorMessages.message("module.duplicate.requires", text);
HighlightInfo info =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(child)
.description(message)
.create();
QuickFixAction.registerQuickFixAction(info, new DeleteElementFix(child));
results.add(info);
}
}
}
}
return results;
}
@Nullable
static HighlightInfo checkModuleReference(@Nullable PsiJavaModuleReferenceElement refElement) {
if (refElement != null) {
PsiPolyVariantReference ref = refElement.getReference();
assert ref != null : refElement.getParent();
if (ref.multiResolve(false).length == 0) {
String message =
JavaErrorMessages.message("module.ref.unknown", refElement.getReferenceText());
return HighlightInfo.newHighlightInfo(HighlightInfoType.WRONG_REF)
.range(refElement)
.description(message)
.create();
}
}
return null;
}