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[python] cache PyImportElement#getImportReferenceExpression

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GitOrigin-RevId: eccbb9acfc6d154c6e21b39128302c40e66107a3
This commit is contained in:
Andrey Vokin
2025-01-31 14:35:33 +00:00
committed by intellij-monorepo-bot
parent 5849b9860b
commit e681ef4d52
1 changed files with 14 additions and 0 deletions
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python/python-psi-impl/src/com/jetbrains/python/psi/impl/PyImportElementImpl.java
+14
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@@ -3,6 +3,7 @@ package com.jetbrains.python.psi.impl;
import com.intellij.lang.ASTNode;
import com.intellij.navigation.ItemPresentation;
import com.intellij.openapi.util.Ref;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
@@ -26,6 +27,8 @@ import java.util.Objects;
* The "import foo" or "import foo as bar" parts.
*/
public class PyImportElementImpl extends PyBaseElementImpl<PyImportElementStub> implements PyImportElement {
private volatile @Nullable Ref<PyReferenceExpression> myImportReferenceExpression;
public PyImportElementImpl(ASTNode astNode) {
super(astNode);
}
@@ -38,6 +41,17 @@ public class PyImportElementImpl extends PyBaseElementImpl<PyImportElementStub>
super(stub, nodeType);
}
@SuppressWarnings("DataFlowIssue")
@Override
public @Nullable PyReferenceExpression getImportReferenceExpression() {
PyReferenceExpression importReferenceExpression = myImportReferenceExpression == null ? null : myImportReferenceExpression.get();
if (myImportReferenceExpression == null || importReferenceExpression != null && !importReferenceExpression.isValid()) {
myImportReferenceExpression = new Ref<>(PyImportElement.super.getImportReferenceExpression());
}
return myImportReferenceExpression.get();
}
@Override
public QualifiedName getImportedQName() {
final PyImportElementStub stub = getStub();