StubbedSuppressWarnings

A stub type to use instead of relying on Java API, which, in Java 21 has
lost the java.lang.annotation.Target} specification.

org.eclipse.xtend.core.tests/src/org/eclipse/xtend/core/tests/macro/declaration/DeclarationsTest.xtend

@@ -34,7 +34,7 @@ class DeclarationsTest extends AbstractXtendTestCase {
 
 	@Test def testAnnotation() {
 		validFile('''
-			@SuppressWarnings("unused")
+			@testdata.stubs.StubbedSuppressWarnings("unused")
 			class MyClass {
 				@com.google.inject.Inject(optional=true) MyClass foo
 			}
@@ -44,7 +44,7 @@ class DeclarationsTest extends AbstractXtendTestCase {
 			assertEquals('MyClass', clazz.qualifiedName)
 			val suppressWarning = clazz.annotations.head
 			val supressWarningsDeclaration = suppressWarning.annotationTypeDeclaration
-			assertEquals('java.lang.SuppressWarnings', supressWarningsDeclaration.qualifiedName)
+			assertEquals('testdata.stubs.StubbedSuppressWarnings', supressWarningsDeclaration.qualifiedName)
 			assertEquals('unused', suppressWarning.getStringArrayValue('value').get(0))
 
 			val annotations = supressWarningsDeclaration.annotations

org.eclipse.xtend.core.tests/testdata/testdata/stubs/StubbedSuppressWarnings.java

@@ -0,0 +1,27 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Lorenzo Bettini 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.
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package testdata.stubs;
+
+import static java.lang.annotation.ElementType.*;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * A stub type to use instead of relying on Java API {@link SuppressWarnings}, which, in Java 21 has lost the
+ * {@link java.lang.annotation.Target} specification.
+ * 
+ * @author Lorenzo Bettini - Initial contribution and API
+ */
+@Target({ TYPE, FIELD, METHOD, PARAMETER, CONSTRUCTOR, LOCAL_VARIABLE, MODULE })
+@Retention(RetentionPolicy.SOURCE)
+public @interface StubbedSuppressWarnings {
+	String[] value();
+}

org.eclipse.xtend.core.tests/xtend-gen/org/eclipse/xtend/core/tests/macro/declaration/DeclarationsTest.java

@@ -62,7 +62,7 @@ public class DeclarationsTest extends AbstractXtendTestCase {
   @Test
   public void testAnnotation() {
     StringConcatenation _builder = new StringConcatenation();
-    _builder.append("@SuppressWarnings(\"unused\")");
+    _builder.append("@testdata.stubs.StubbedSuppressWarnings(\"unused\")");
     _builder.newLine();
     _builder.append("class MyClass {");
     _builder.newLine();
@@ -78,7 +78,7 @@ public void testAnnotation() {
       Assert.assertEquals("MyClass", clazz.getQualifiedName());
       final AnnotationReference suppressWarning = IterableExtensions.head(clazz.getAnnotations());
       final AnnotationTypeDeclaration supressWarningsDeclaration = suppressWarning.getAnnotationTypeDeclaration();
-      Assert.assertEquals("java.lang.SuppressWarnings", supressWarningsDeclaration.getQualifiedName());
+      Assert.assertEquals("testdata.stubs.StubbedSuppressWarnings", supressWarningsDeclaration.getQualifiedName());
       Assert.assertEquals("unused", suppressWarning.getStringArrayValue("value")[0]);
       final Iterable<? extends AnnotationReference> annotations = supressWarningsDeclaration.getAnnotations();
       final Function1<AnnotationReference, AnnotationTypeDeclaration> _function_1 = (AnnotationReference it_1) -> {