@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;
}
@Nullable
public static String getTestLabel(@NotNull final DartCallExpression testCallExpression) {
final DartArguments arguments = testCallExpression.getArguments();
final DartArgumentList argumentList = arguments == null ? null : arguments.getArgumentList();
final List<DartExpression> argExpressions =
argumentList == null ? null : argumentList.getExpressionList();
return argExpressions != null
&& !argExpressions.isEmpty()
&& argExpressions.get(0) instanceof DartStringLiteralExpression
? StringUtil.unquoteString(argExpressions.get(0).getText())
: null;
}