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package com.intellij.psi.impl.search;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.psi.*;
import com.intellij.psi.search.searches.SuperMethodsSearch;
import com.intellij.psi.util.InheritanceUtil;
import com.intellij.psi.util.MethodSignatureBackedByPsiMethod;
import com.intellij.psi.util.MethodSignatureUtil;
import com.intellij.util.Processor;
import com.intellij.util.QueryExecutor;
import org.jetbrains.annotations.NotNull;
import java.util.List;
/**
* @author ven
*/
public class MethodSuperSearcher implements QueryExecutor<MethodSignatureBackedByPsiMethod, SuperMethodsSearch.SearchParameters> {
private static final Logger LOG = Logger.getInstance("#com.intellij.psi.impl.search.MethodSuperSearcher");
@Override
public boolean execute(@NotNull final SuperMethodsSearch.SearchParameters queryParameters, @NotNull final Processor<MethodSignatureBackedByPsiMethod> consumer) {
final PsiClass parentClass = queryParameters.getPsiClass();
final PsiMethod method = queryParameters.getMethod();
HierarchicalMethodSignature signature = method.getHierarchicalMethodSignature();
final boolean checkBases = queryParameters.isCheckBases();
final boolean allowStaticMethod = queryParameters.isAllowStaticMethod();
final List<HierarchicalMethodSignature> supers = signature.getSuperSignatures();
for (HierarchicalMethodSignature superSignature : supers) {
if (MethodSignatureUtil.isSubsignature(superSignature, signature)) {
if (!addSuperMethods(superSignature, method, parentClass, allowStaticMethod, checkBases, consumer)) return false;
}
}
return true;
}
private static boolean addSuperMethods(final HierarchicalMethodSignature signature,
final PsiMethod method,
final PsiClass parentClass,
final boolean allowStaticMethod,
final boolean checkBases,
final Processor<MethodSignatureBackedByPsiMethod> consumer) {
PsiMethod signatureMethod = signature.getMethod();
PsiClass hisClass = signatureMethod.getContainingClass();
if (parentClass == null || InheritanceUtil.isInheritorOrSelf(parentClass, hisClass, true)) {
if (isAcceptable(signatureMethod, method, allowStaticMethod)) {
if (parentClass != null && !parentClass.equals(hisClass) && !checkBases) {
return true;
}
LOG.assertTrue(signatureMethod != method, method); // method != method.getsuper()
return consumer.process(signature); //no need to check super classes
}
}
for (HierarchicalMethodSignature superSignature : signature.getSuperSignatures()) {
if (MethodSignatureUtil.isSubsignature(superSignature, signature)) {
addSuperMethods(superSignature, method, parentClass, allowStaticMethod, checkBases, consumer);
}
}
return true;
}
private static boolean isAcceptable(final PsiMethod superMethod, final PsiMethod method, final boolean allowStaticMethod) {
boolean hisStatic = superMethod.hasModifierProperty(PsiModifier.STATIC);
return hisStatic == method.hasModifierProperty(PsiModifier.STATIC) &&
(allowStaticMethod || !hisStatic) &&
JavaPsiFacade.getInstance(method.getProject()).getResolveHelper().isAccessible(superMethod, method, null);
}
}
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