private static List<? extends PsiElement> resolveSimpleReference(
@NotNull DartReference reference) {
final List<? extends PsiElement> result =
resolveSimpleReference(reference, reference.getCanonicalText());
final PsiElement parent = reference.getParent();
final PsiElement superParent = parent.getParent();
final boolean isSimpleConstructor =
parent instanceof DartType
&& superParent instanceof DartNewExpression
&& ((DartNewExpression) superParent).getReferenceExpression() == null;
if (!isSimpleConstructor || result.isEmpty()) {
return result;
}
final List<PsiElement> filteredResult = new ArrayList<PsiElement>(result.size());
for (PsiElement element : result) {
final PsiElement elementParent = element.getParent();
if (element instanceof DartComponentName && elementParent instanceof DartClass) {
final DartComponent component =
((DartClass) elementParent).findNamedConstructor(reference.getCanonicalText());
if (component != null
&& DartComponentType.typeOf(component) == DartComponentType.CONSTRUCTOR) {
filteredResult.add(component.getComponentName());
continue;
}
}
filteredResult.add(element);
}
return filteredResult;
}
@Nullable
@Override
public List<? extends PsiElement> resolve(
@NotNull DartReference reference, boolean incompleteCode) {
if (reference instanceof DartThisExpression) {
return toResult(PsiTreeUtil.getParentOfType(reference, DartClass.class));
}
if (reference instanceof DartParameterNameReferenceExpression) {
final DartCallExpression callExpression =
PsiTreeUtil.getParentOfType(reference, DartCallExpression.class);
final DartExpression expression =
callExpression != null ? callExpression.getExpression() : null;
final PsiElement target =
expression instanceof DartReference ? ((DartReference) expression).resolve() : null;
final DartFormalParameterList parameters =
PsiTreeUtil.getChildOfType(
target != null ? target.getParent() : null, DartFormalParameterList.class);
return toResult(DartResolveUtil.findParameterByName(parameters, reference.getText()));
}
if (DartResolveUtil.aloneOrFirstInChain(reference)) {
return resolveSimpleReference(reference);
}
final DartReference leftReference = DartResolveUtil.getLeftReference(reference);
// reference [node, node]
final DartReference[] references =
PsiTreeUtil.getChildrenOfType(reference, DartReference.class);
if (references != null && references.length == 2) {
// prefix
final List<DartComponentName> names =
DartResolveUtil.findComponentsInLibraryByPrefix(
reference, references[0].getCanonicalText(), references[1].getCanonicalText());
if (!names.isEmpty()) {
return toResult(names);
}
return toResult(references[1].resolve());
} else if (leftReference != null) {
final DartClassResolveResult classResolveResult = leftReference.resolveDartClass();
final DartClass dartClass = classResolveResult.getDartClass();
if (dartClass != null) {
final String name = reference.getCanonicalText();
final DartComponent subComponent =
leftReference instanceof DartType
? dartClass.findNamedConstructor(name)
: filterAccess(reference, dartClass.findMembersByName(name));
return toResult(subComponent == null ? null : subComponent.getComponentName());
}
// prefix
final List<DartComponentName> names =
DartResolveUtil.findComponentsInLibraryByPrefix(
reference, leftReference.getCanonicalText(), reference.getCanonicalText());
if (!names.isEmpty()) {
return toResult(names);
}
}
return null;
}
