private static void clearUsedParameters(
@NotNull RefMethod refMethod, RefParameter[] params, boolean checkDeep) {
RefParameter[] methodParms = refMethod.getParameters();
for (int i = 0; i < methodParms.length; i++) {
if (methodParms[i].isUsedForReading()) params[i] = null;
}
if (checkDeep) {
for (RefMethod refOverride : refMethod.getDerivedMethods()) {
clearUsedParameters(refOverride, params, checkDeep);
}
}
}
public static ArrayList<RefParameter> getUnusedParameters(RefMethod refMethod) {
boolean checkDeep = !refMethod.isStatic() && !refMethod.isConstructor();
ArrayList<RefParameter> res = new ArrayList<RefParameter>();
RefParameter[] methodParameters = refMethod.getParameters();
RefParameter[] result = new RefParameter[methodParameters.length];
System.arraycopy(methodParameters, 0, result, 0, methodParameters.length);
clearUsedParameters(refMethod, result, checkDeep);
for (RefParameter parameter : result) {
if (parameter != null) {
res.add(parameter);
}
}
return res;
}
@Nullable
public CommonProblemDescriptor[] checkElement(
RefEntity refEntity,
AnalysisScope scope,
InspectionManager manager,
GlobalInspectionContext globalContext,
ProblemDescriptionsProcessor processor) {
ArrayList<ProblemDescriptor> problems = null;
if (refEntity instanceof RefMethod) {
final RefMethod refMethod = (RefMethod) refEntity;
if (refMethod.hasSuperMethods()) return null;
if (refMethod.isEntry()) return null;
RefParameter[] parameters = refMethod.getParameters();
for (RefParameter refParameter : parameters) {
String value = refParameter.getActualValueIfSame();
if (value != null) {
if (problems == null) problems = new ArrayList<ProblemDescriptor>(1);
final String paramName = refParameter.getName();
problems.add(
manager.createProblemDescriptor(
refParameter.getElement(),
InspectionsBundle.message(
"inspection.same.parameter.problem.descriptor",
"<code>" + paramName + "</code>",
"<code>" + value + "</code>"),
new InlineParameterValueFix(paramName, value),
ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
false));
}
}
}
return problems == null ? null : problems.toArray(new CommonProblemDescriptor[problems.size()]);
}
