Lombok now adds a line about itself to the Eclipse about dialog via patching. This can be used to check that lombok is managing to successfully inject code into the eclipse VM instance.

src/core/lombok/core/Version.java

@@ -40,7 +40,7 @@ public class Version {
 	 */
 	public static void main(String[] args) {
 		if (args.length > 0) {
-			System.out.printf("Lombok %s", getFullVersion());
+			System.out.printf("Lombok %s\n", getFullVersion());
 		} else {
 			System.out.println(VERSION);
 		}
@@ -65,6 +65,6 @@ public class Version {
 	}
 	
 	public static String getFullVersion() {
-		return String.format("v%s \"%s\"\n", VERSION, RELEASE_NAME);
+		return String.format("v%s \"%s\"", VERSION, RELEASE_NAME);
 	}
 }

src/eclipseAgent/lombok/eclipse/agent/EclipsePatcher.java

@@ -93,6 +93,7 @@ public class EclipsePatcher extends Agent {
 			patchSyntaxAndOccurrencesHighlighting(sm);
 			patchSortMembersOperation(sm);
 			patchExtractInterface(sm);
+			patchAboutDialog(sm);
 		} else {
 			patchPostCompileHookEcj(sm);
 		}
@@ -103,7 +104,7 @@ public class EclipsePatcher extends Agent {
 		
 		if (reloadExistingClasses) sm.reloadClasses(instrumentation);
 	}
-
+	
 	private static void patchExtractInterface(ScriptManager sm) {
 		/* Fix sourceEnding for generated nodes to avoid null pointer */
 		sm.addScript(ScriptBuilder.wrapMethodCall()
@@ -112,7 +113,7 @@ public class EclipsePatcher extends Agent {
 				.wrapMethod(new Hook("lombok.eclipse.agent.PatchFixes", "getSourceEndFixed", "int", "int", "org.eclipse.jdt.internal.compiler.ast.ASTNode"))
 				.requestExtra(StackRequest.PARAM1)
 				.transplant().build());
-
+		
 		/* Make sure the generated source element is found instead of the annotation */
 		sm.addScript(ScriptBuilder.wrapMethodCall()
 			.target(new MethodTarget("org.eclipse.jdt.internal.corext.refactoring.structure.ExtractInterfaceProcessor", "createMethodDeclaration", "void",
@@ -125,7 +126,7 @@ public class EclipsePatcher extends Agent {
 			.wrapMethod(new Hook("lombok.eclipse.agent.PatchFixes", "getRealMethodDeclarationSource", "java.lang.String", "java.lang.String", "org.eclipse.jdt.core.dom.MethodDeclaration"))
 			.requestExtra(StackRequest.PARAM4)
 			.build());
-
+		
 		/* get real generated node in stead of a random one generated by the annotation */
 		sm.addScript(ScriptBuilder.replaceMethodCall()
 				.target(new MethodTarget("org.eclipse.jdt.internal.corext.refactoring.structure.ExtractInterfaceProcessor", "createMemberDeclarations"))
@@ -133,7 +134,7 @@ public class EclipsePatcher extends Agent {
 				.methodToReplace(new Hook("org.eclipse.jdt.internal.corext.refactoring.structure.ASTNodeSearchUtil", "getMethodDeclarationNode", "org.eclipse.jdt.core.dom.MethodDeclaration", "org.eclipse.jdt.core.IMethod", "org.eclipse.jdt.core.dom.CompilationUnit"))
 				.replacementMethod(new Hook("lombok.eclipse.agent.PatchFixes", "getRealMethodDeclarationNode", "org.eclipse.jdt.core.dom.MethodDeclaration", "org.eclipse.jdt.core.IMethod", "org.eclipse.jdt.core.dom.CompilationUnit"))
 				.build());
-
+		
 		/* Do not add @Override's for generated methods */
 		sm.addScript(ScriptBuilder.exitEarly()
 				.target(new MethodTarget("org.eclipse.jdt.core.dom.rewrite.ListRewrite", "insertFirst"))
@@ -148,10 +149,23 @@ public class EclipsePatcher extends Agent {
 				.request(StackRequest.PARAM2)
 				.build());
 	}
-
+	
+	private static void patchAboutDialog(ScriptManager sm) {
+		/*
+		 * Add a line about lombok (+ version info) to eclipse's about dialog.
+		 * This is doable without patching, but we intentionally patch it so that presence of the lombok info
+		 * in the about dialog can be used to ascertain that patching in general is doing something.
+		 */
+		sm.addScript(ScriptBuilder.wrapReturnValue()
+				.target(new MethodTarget("org.eclipse.core.internal.runtime.Product", "getProperty", "java.lang.String", "java.lang.String"))
+				.wrapMethod(new Hook("lombok.eclipse.agent.PatchFixes", "addLombokNotesToEclipseAboutDialog", "java.lang.String", "java.lang.String", "org.eclipse.core.internal.runtime.Product", "java.lang.String"))
+				.request(StackRequest.RETURN_VALUE, StackRequest.THIS, StackRequest.PARAM1)
+				.transplant().build());
+	}
+	
 	private static void patchSyntaxAndOccurrencesHighlighting(ScriptManager sm) {
 		/*
-		 *	Skip generated nodes for "visual effects" (syntax highlighting && highlight occurrences)
+		 * Skip generated nodes for "visual effects" (syntax highlighting && highlight occurrences)
 		 */
 		sm.addScript(ScriptBuilder.exitEarly()
 				.target(new MethodTarget("org.eclipse.jdt.internal.ui.search.OccurrencesFinder", "addUsage"))

src/eclipseAgent/lombok/eclipse/agent/PatchFixes.java

@@ -32,7 +32,9 @@ import java.util.Stack;
 
 import lombok.core.DiagnosticsReceiver;
 import lombok.core.PostCompiler;
+import lombok.core.Version;
 
+import org.eclipse.core.internal.runtime.Product;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.jdt.core.IAnnotatable;
 import org.eclipse.jdt.core.IAnnotation;
@@ -48,6 +50,14 @@ import org.eclipse.jdt.internal.core.dom.rewrite.TokenScanner;
 import org.eclipse.jdt.internal.corext.refactoring.structure.ASTNodeSearchUtil;
 
 public class PatchFixes {
+	public static String addLombokNotesToEclipseAboutDialog(String origReturnValue, Product product, String key) {
+		if ("Eclipse SDK".equals(product.getName()) && "aboutText".equals(key)) {
+			return origReturnValue + "\n\nLombok " + Version.getFullVersion() + " is installed. http://projectlombok.org/";
+		}
+		
+		return origReturnValue;
+	}
+	
 	public static boolean isGenerated(org.eclipse.jdt.core.dom.ASTNode node) {
 		boolean result = false;
 		try {
@@ -67,7 +77,7 @@ public class PatchFixes {
 	public static boolean returnFalse(java.lang.Object object) {
 		return false;
 	}
-
+	
 	@java.lang.SuppressWarnings({"unchecked", "rawtypes"}) public static java.util.List removeGeneratedNodes(java.util.List list) {
 		try {
 			java.util.List realNodes = new java.util.ArrayList(list.size());