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Code Issues Packages Projects Releases Wiki Activity

diagnose missing parent stub (EA-38216)

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peter
2012-08-14 16:42:40 +02:00
parent 3708129568
commit 2028b65898
1 changed files with 8 additions and 1 deletions
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platform/core-impl/src/com/intellij/extapi/psi/StubBasedPsiElementBase.java
+8 -1
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@@ -22,6 +22,7 @@ package com.intellij.extapi.psi;
import com.intellij.lang.ASTNode;
import com.intellij.lang.Language;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.progress.NonCancelableSection;
import com.intellij.openapi.progress.ProgressIndicatorProvider;
import com.intellij.openapi.project.Project;
@@ -45,6 +46,7 @@ import org.jetbrains.annotations.Nullable;
import java.lang.reflect.Array;
public class StubBasedPsiElementBase<T extends StubElement> extends ASTDelegatePsiElement {
private static final Logger LOG = Logger.getInstance("#com.intellij.extapi.psi.StubBasedPsiElementBase");
private volatile T myStub;
private volatile ASTNode myNode;
private final IElementType myElementType;
@@ -164,7 +166,12 @@ public class StubBasedPsiElementBase<T extends StubElement> extends ASTDelegateP
public boolean isValid() {
T stub = myStub;
if (stub != null) {
PsiElement psi = stub.getParentStub().getPsi();
StubElement parent = stub.getParentStub();
if (parent == null) {
LOG.error("No parent for stub " + stub + " of class " + stub.getClass());
return false;
}
PsiElement psi = parent.getPsi();
return psi != null && psi.isValid();
}