[fixes #3706] Add null check for compilation unit

projectlombok · Aug 20, 2024 · 674386e · 674386e
1 parent eb4722c
commit 674386e
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Showing 4 changed files with 37 additions and 2 deletions.
diff --git a/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java b/src/core/lombok/eclipse/handlers/EclipseHandlerUtil.java
@@ -2838,6 +2838,7 @@ public static void setDocComment(CompilationUnitDeclaration cud, TypeDeclaration
 		if (doc == null) return;
 
 		ICompilationUnit compilationUnit = cud.compilationResult.compilationUnit;
+		if (compilationUnit == null) return;
 		if (compilationUnit.getClass().equals(COMPILATION_UNIT)) {
 			try {
 				compilationUnit = (ICompilationUnit) Permit.invoke(COMPILATION_UNIT_ORIGINAL_FROM_CLONE, compilationUnit);

diff --git a/test/eclipse/resource/noerrors/builderJavadoc/BuilderJavadoc.java b/test/eclipse/resource/noerrors/builderJavadoc/BuilderJavadoc.java
@@ -0,0 +1,14 @@
+package pkg;
+
+import lombok.Builder;
+
+@Builder
+public class BuilderJavadoc {
+	/**
+	 * Javadoc
+	 * 
+	 * @param test ABC
+	 * @return test
+	 */
+	private String test;
+}
diff --git a/test/eclipse/resource/noerrors/builderJavadoc/Usage.java b/test/eclipse/resource/noerrors/builderJavadoc/Usage.java
@@ -0,0 +1,7 @@
+package pkg;
+
+public class Usage {
+	public void test() {
+		BuilderJavadoc.builder().test("test").build();
+	}
+}
diff --git a/test/eclipse/src/lombok/eclipse/compile/NoErrorsTest.java b/test/eclipse/src/lombok/eclipse/compile/NoErrorsTest.java
@@ -28,6 +28,7 @@
 
 import org.eclipse.jdt.core.ICompilationUnit;
 import org.eclipse.jdt.core.IProblemRequestor;
+import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.core.WorkingCopyOwner;
 import org.eclipse.jdt.core.compiler.IProblem;
 import org.junit.Rule;
@@ -47,6 +48,19 @@ public class NoErrorsTest {
 	public void fieldNameConstantsInAnnotation() throws Exception {
 		ICompilationUnit cu = setup.getPackageFragment().getCompilationUnit("Usage.java");
 
+		List<IProblem> problems = collectProblems(cu);
+		assertTrue(problems.isEmpty());
+	}
+
+	@Test
+	public void builderJavadoc() throws Exception {
+		ICompilationUnit cu = setup.getPackageFragment().getCompilationUnit("Usage.java");
+
+		List<IProblem> problems = collectProblems(cu);
+		assertTrue(problems.isEmpty());
+	}
+
+	private List<IProblem> collectProblems(ICompilationUnit cu) throws JavaModelException {
 		final List<IProblem> problems = new ArrayList<IProblem>();
 		final IProblemRequestor requestor = new IProblemRequestor() {
 			@Override
@@ -83,7 +97,6 @@ public IProblemRequestor getProblemRequestor(ICompilationUnit workingCopy) {
 			workingCopy.discardWorkingCopy();
 		}
 
-		System.out.println(problems);
-		assertTrue(problems.isEmpty());
+		return problems;
 	}
 }