new option: useXbaseGenerated = true

org.eclipse.xtend.core.tests/batch-compiler-data/xtendClass/XtendA.xtend

@@ -9,4 +9,7 @@
 
 class XtendA {
 	val public String foo = ""
+
+	def dispatch m(String s) {}
+	def dispatch m(int i) {}
 }

org.eclipse.xtend.core.tests/src/org/eclipse/xtend/core/tests/compiler/batch/BatchCompilerTest.xtend

@@ -486,16 +486,23 @@ class BatchCompilerTest {
 		assertTrue(batchCompiler.compile)
 		assertEquals(0, new File(TEMP_DIRECTORY).list.size)
 	}
-	
+
 	@Test
 	def void testNoSuppressWarningsAnnotations() {
 		batchCompiler.generateSyntheticSuppressWarnings = false
 		batchCompiler.sourcePath = "./batch-compiler-data/xtendClass"
 		assertTrue(batchCompiler.compile)
 		assertFalse((OUTPUT_DIRECTORY + "/XtendA.java").contents.contains("@SuppressWarnings"))
 	}
-
-
+
+	@Test
+	def void testNoXbaseGenerated() {
+		batchCompiler.useXbaseGenerated = false
+		batchCompiler.sourcePath = "./batch-compiler-data/xtendClass"
+		assertTrue(batchCompiler.compile)
+		assertFalse((OUTPUT_DIRECTORY + "/XtendA.java").contents.contains("@XbaseGenerated"))
+	}
+
 	@Test(expected = IllegalArgumentException)
 	def void testJavaVersion5() {
 		batchCompiler.javaSourceVersion = "1.5"

org.eclipse.xtend.core.tests/xtend-gen/org/eclipse/xtend/core/tests/compiler/batch/BatchCompilerTest.java

@@ -730,6 +730,14 @@ public void testNoSuppressWarningsAnnotations() {
     Assert.assertFalse(this.getContents((BatchCompilerTest.OUTPUT_DIRECTORY + "/XtendA.java")).contains("@SuppressWarnings"));
   }
 
+  @Test
+  public void testNoXbaseGenerated() {
+    this.batchCompiler.setUseXbaseGenerated(false);
+    this.batchCompiler.setSourcePath("./batch-compiler-data/xtendClass");
+    Assert.assertTrue(this.batchCompiler.compile());
+    Assert.assertFalse(this.getContents((BatchCompilerTest.OUTPUT_DIRECTORY + "/XtendA.java")).contains("@XbaseGenerated"));
+  }
+
   @Test(expected = IllegalArgumentException.class)
   public void testJavaVersion5() {
     this.batchCompiler.setJavaSourceVersion("1.5");

org.eclipse.xtend.core/src/org/eclipse/xtend/core/compiler/batch/Main.java

@@ -52,6 +52,8 @@ public static void main(String[] args) {
 				compiler.setJavaSourceVersion(arguments.next().trim());
 			} else if ("-noSuppressWarningsAnnotation".equals(argument)) {
 				compiler.setGenerateSyntheticSuppressWarnings(false);
+			} else if ("-noUseXbaseGenerated".equals(argument)) {
+				compiler.setUseXbaseGenerated(false);
 			} else if ("-generateGeneratedAnnotation".equals(argument)) {
 				compiler.setGenerateGeneratedAnnotation(true);
 			} else if ("-includeDateInGeneratedAnnnotation".equals(argument)) {
@@ -90,6 +92,7 @@ private static void printUsage() {
 		out.println("-encoding <encoding>                Specify character encoding used by source files");
 		out.println("-javaSourceVersion <version>        Create Java Source compatible to this version. Can be: " + allVersionQualifiers);
 		out.println("-noSuppressWarningsAnnotation       Don't put @SuppressWarnings() into generated Java Code");
+		out.println("-noUseXbaseGenerated                Don't put @XbaseGenerated() into generated Java Code");
 		out.println("-generateGeneratedAnnotation        Put @Generated into generated Java Code");
 		out.println("-includeDateInGeneratedAnnnotation  If -generateGeneratedAnnotation is used, add the current date/time.");
 		out.println("-generateAnnotationComment <string> If -generateGeneratedAnnotation is used, add a comment.");

org.eclipse.xtend.core/src/org/eclipse/xtend/core/compiler/batch/XtendBatchCompiler.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2012, 2023 itemis AG (http://www.itemis.eu) and others.
+ * Copyright (c) 2012, 2023, 2024 itemis AG (http://www.itemis.eu) and others.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
@@ -315,6 +315,20 @@ public void setGenerateSyntheticSuppressWarnings(final boolean generateSynthetic
 		generatorConfig.setGenerateSyntheticSuppressWarnings(generateSyntheticSuppressWarnings);
 	}
 
+	/**
+	 * @since 2.36
+	 */
+	public boolean isUseXbaseGenerated() {
+		return generatorConfig.isUseXbaseGenerated();
+	}
+
+	/**
+	 * @since 2.36
+	 */
+	public void setUseXbaseGenerated(final boolean useXbaseGenerated) {
+		generatorConfig.setUseXbaseGenerated(useXbaseGenerated);
+	}
+
 	/**
 	 * @since 2.8
 	 */

org.eclipse.xtend.core/src/org/eclipse/xtend/core/jvmmodel/XtendJvmModelInferrer.java

@@ -490,7 +490,9 @@ protected void appendSyntheticDispatchMethods(XtendTypeDeclaration source, final
 			JvmOperation operation = deriveGenericDispatchOperationSignature(localOperations, target);
 			if (operation != null) {
 				dispatchHelper.markAsDispatcherFunction(operation);
-				operation.getAnnotations().add(_annotationTypesBuilder.annotationRef(XbaseGenerated.class));
+				if (generatorConfig.isUseXbaseGenerated()) {
+					operation.getAnnotations().add(_annotationTypesBuilder.annotationRef(XbaseGenerated.class));
+				}
 				operation.setSimpleName(signature.getSimpleName());
 				operation.setReturnType(jvmTypesBuilder.inferredType());
 			}

org.eclipse.xtend.maven.plugin/src/main/java/org/eclipse/xtend/maven/AbstractXtendCompilerMojo.java

@@ -80,6 +80,13 @@ public boolean apply(String filePath) {
 	@Parameter(defaultValue="true")
 	private boolean generateSyntheticSuppressWarnings;
 
+	/**
+	 * Whether <code>@XbaseGenerated</code> shall be generated for synthetic members.
+	 * @since 2.36
+	 */
+	@Parameter(defaultValue="true")
+	private boolean useXbaseGenerated;
+
 	/**
 	 * Whether <code>@Generated</code> shall be generated for non-nested types.
 	 */
@@ -129,6 +136,8 @@ protected void compile(String classPath, List<String> sourcePaths, String output
 		compiler.setJavaSourceVersion(javaSourceVersion);
 		log.debug("Set generateSyntheticSuppressWarnings: " + generateSyntheticSuppressWarnings);
 		compiler.setGenerateSyntheticSuppressWarnings(generateSyntheticSuppressWarnings);
+		log.debug("Set useXbaseGenerated: " + useXbaseGenerated);
+		compiler.setUseXbaseGenerated(useXbaseGenerated);
 		log.debug("Set generateGeneratedAnnotation: " + generateGeneratedAnnotation);
 		compiler.setGenerateGeneratedAnnotation(generateGeneratedAnnotation);
 		log.debug("Set includeDateInGeneratedAnnotation: " + includeDateInGeneratedAnnotation);

org.eclipse.xtext.xbase.ui/src/org/eclipse/xtext/xbase/ui/builder/XbaseBuilderConfigurationBlock.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2015 itemis AG (http://www.itemis.eu) and others.
+ * Copyright (c) 2015, 2024 itemis AG (http://www.itemis.eu) and others.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
@@ -28,12 +28,13 @@
  * Builder configuration block that adds compiler settings for Xbase.
  * 
  * @author Miro Spoenemann - Initial contribution and API
+ * @author Lorenzo Bettini - useXbaseGenerated
  */
 public class XbaseBuilderConfigurationBlock extends BuilderConfigurationBlock {
-	
+
 	@Inject
 	private XbaseBuilderPreferenceAccess preferenceAccess;
-	
+
 	private Combo versionCombo;
 
 	private Button useComplianceButton;
@@ -67,6 +68,8 @@ public void widgetSelected(SelectionEvent e) {
 
 		addCheckBox(composite, "Generate @SuppressWarnings annotations",
 				PREF_GENERATE_SUPPRESS_WARNINGS, BOOLEAN_VALUES, 0);
+		addCheckBox(composite, "Annotate synthetic members with @XbaseGenerated",
+				USE_XBASE_GENERATED, BOOLEAN_VALUES, 0);
 
 		final Button generateGeneratedButton = addCheckBox(composite, "Generate @Generated annotations",
 				PREF_GENERATE_GENERATED, BOOLEAN_VALUES, 0);

org.eclipse.xtext.xbase.ui/src/org/eclipse/xtext/xbase/ui/builder/XbaseBuilderPreferenceAccess.java

@@ -21,13 +21,21 @@
 
 /**
  * @author Miro Spoenemann - Initial contribution and API
+ * @author Lorenzo Bettini - useXbaseGenerated
  */
 public class XbaseBuilderPreferenceAccess {
-	
+
 	/**
 	 * Preference identifier for generating <code>@SuppressWarnings</code>.
 	 */
 	public static final String PREF_GENERATE_SUPPRESS_WARNINGS = "generateSuppressWarnings"; //$NON-NLS-1$
+
+	/**
+	 * Preference identifier for generating <code>@XbaseGenerated</code>.
+	 * @since 2.36
+	 */
+	public static final String USE_XBASE_GENERATED = "useXbaseGenerated"; //$NON-NLS-1$
+
 	/**
 	 * Preference identifier for generating <code>@Generated</code>.
 	 */
@@ -59,6 +67,7 @@ public static class Initializer extends BuilderPreferenceAccess.Initializer {
 		protected void initializeBuilderPreferences(IPreferenceStore store) {
 			super.initializeBuilderPreferences(store);
 			store.setDefault(PREF_GENERATE_SUPPRESS_WARNINGS, true);
+			store.setDefault(USE_XBASE_GENERATED, true);
 			store.setDefault(PREF_GENERATE_GENERATED, false);
 			store.setDefault(PREF_DATE_IN_GENERATED, false);
 			store.setDefault(PREF_JAVA_VERSION, JavaVersion.JAVA8.toString());
@@ -73,6 +82,7 @@ protected void initializeBuilderPreferences(IPreferenceStore store) {
 	public void loadBuilderPreferences(GeneratorConfig generatorConfig, Object context) {
 		IPreferenceStore preferenceStore = preferenceStoreAccess.getContextPreferenceStore(context);
 		generatorConfig.setGenerateSyntheticSuppressWarnings(preferenceStore.getBoolean(PREF_GENERATE_SUPPRESS_WARNINGS));
+		generatorConfig.setUseXbaseGenerated(preferenceStore.getBoolean(USE_XBASE_GENERATED));
 		generatorConfig.setGenerateGeneratedAnnotation(preferenceStore.getBoolean(PREF_GENERATE_GENERATED));
 		if (generatorConfig.isGenerateGeneratedAnnotation()) {
 			generatorConfig.setIncludeDateInGeneratedAnnotation(preferenceStore.getBoolean(PREF_DATE_IN_GENERATED));

org.eclipse.xtext.xbase/src/org/eclipse/xtext/xbase/compiler/GeneratorConfig.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2013, 2020 itemis AG (http://www.itemis.eu) and others.
+ * Copyright (c) 2013, 2020, 2024 itemis AG (http://www.itemis.eu) and others.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License 2.0 which is available at
  * http://www.eclipse.org/legal/epl-2.0.
@@ -13,6 +13,7 @@
 /**
  * @author Holger Schill - Initial contribution and API
  * @author Miro Spoenemann
+ * @author Lorenzo Bettini - useXbaseGenerated
  */
 public class GeneratorConfig {
 	/**
@@ -26,6 +27,11 @@ public class GeneratorConfig {
 	 */
 	private boolean generateSyntheticSuppressWarnings = true;
 
+	/**
+	 * Whether <code>@XbaseGenerated</code> shall be generated for synthetic members.
+	 */
+	private boolean useXbaseGenerated = true;
+
 	/**
 	 * Whether <code>@Generated</code> shall be generated for non-nested types.
 	 */
@@ -80,6 +86,20 @@ public void setGenerateSyntheticSuppressWarnings(boolean generateSyntheticSuppre
 		this.generateSyntheticSuppressWarnings = generateSyntheticSuppressWarnings;
 	}
 
+	/**
+	 * @since 2.36
+	 */
+	public boolean isUseXbaseGenerated() {
+		return useXbaseGenerated;
+	}
+
+	/**
+	 * @since 2.36
+	 */
+	public void setUseXbaseGenerated(boolean useXbaseGenerated) {
+		this.useXbaseGenerated = useXbaseGenerated;
+	}
+
 	public boolean isGenerateGeneratedAnnotation() {
 		return generateGeneratedAnnotation;
 	}