public static boolean hasTest(PsiModifierListOwner element) {
return CachedValuesManager.getCachedValue(
element,
() ->
CachedValueProvider.Result.create(
hasTest(element, true), PsiModificationTracker.MODIFICATION_COUNT));
}
@Override
public CachedValueProvider.Result<PsiExpression> compute(
Pair<Project, PsiExpression> pair) {
PsiExpression param = pair.second;
Project project = pair.first;
PsiExpression topLevel = getTopLevel(project, param);
ParameterizedCachedValue<PsiExpression, Pair<Project, PsiExpression>> cachedValue =
param.getUserData(TOP_LEVEL_EXPRESSION);
assert cachedValue != null;
int i = 0;
for (PsiElement element = param;
element != topLevel;
element = element.getParent(), i++) {
if (i % 10
== 0) { // optimization: store up link to the top level expression in each 10nth
// element
element.putUserData(TOP_LEVEL_EXPRESSION, cachedValue);
}
}
return CachedValueProvider.Result.create(
topLevel, PsiManager.getInstance(project).getModificationTracker());
}
private static MultiHostRegistrarImpl probeElementsUp(
@NotNull PsiElement element, @NotNull PsiFile hostPsiFile, boolean probeUp) {
PsiManager psiManager = hostPsiFile.getManager();
final Project project = psiManager.getProject();
InjectedLanguageManagerImpl injectedManager =
InjectedLanguageManagerImpl.getInstanceImpl(project);
if (injectedManager == null) {
return null; // for tests
}
MultiHostRegistrarImpl registrar = null;
PsiElement current = element;
nextParent:
while (current != null && current != hostPsiFile) {
ProgressManager.checkCanceled();
if ("EL".equals(current.getLanguage().getID())) break;
ParameterizedCachedValue<MultiHostRegistrarImpl, PsiElement> data =
current.getUserData(INJECTED_PSI);
if (data == null) {
registrar =
InjectedPsiCachedValueProvider.doCompute(
current, injectedManager, project, hostPsiFile);
} else {
registrar = data.getValue(current);
}
current = current.getParent(); // cache no injection for current
if (registrar != null) {
List<Pair<Place, PsiFile>> places = registrar.getResult();
// check that injections found intersect with queried element
TextRange elementRange = element.getTextRange();
for (Pair<Place, PsiFile> pair : places) {
Place place = pair.first;
for (PsiLanguageInjectionHost.Shred shred : place) {
if (shred.getHost().getTextRange().intersects(elementRange)) {
if (place.isValid()) break nextParent;
}
}
}
}
if (!probeUp) {
break;
}
}
if (probeUp) {
// cache only if we walked all parents
for (PsiElement e = element;
e != current && e != null && e != hostPsiFile;
e = e.getParent()) {
ProgressManager.checkCanceled();
if (registrar == null) {
e.putUserData(INJECTED_PSI, null);
} else {
ParameterizedCachedValue<MultiHostRegistrarImpl, PsiElement> cachedValue =
CachedValuesManager.getManager(project)
.createParameterizedCachedValue(INJECTED_PSI_PROVIDER, false);
CachedValueProvider.Result<MultiHostRegistrarImpl> result =
CachedValueProvider.Result.create(
registrar, PsiModificationTracker.MODIFICATION_COUNT, registrar);
((PsiParameterizedCachedValue<MultiHostRegistrarImpl, PsiElement>) cachedValue)
.setValue(result);
e.putUserData(INJECTED_PSI, cachedValue);
}
}
}
return registrar;
}
