[fixes #3373] Find references for extension methods

2 files changed, 20 insertions, 0 deletions

diff --git a/src/eclipseAgent/lombok/eclipse/agent/EclipsePatcher.java b/src/eclipseAgent/lombok/eclipse/agent/EclipsePatcher.java
index c0bfbe09..aa548af0 100644
--- a/src/eclipseAgent/lombok/eclipse/agent/EclipsePatcher.java
+++ b/src/eclipseAgent/lombok/eclipse/agent/EclipsePatcher.java
@@ -918,6 +918,13 @@ public class EclipsePatcher implements AgentLauncher.AgentLaunchable {
 			.request(StackRequest.THIS)
 			.wrapMethod(new Hook(PATCH_EXTENSIONMETHOD_COMPLETIONPROPOSAL_PORTAL, "getJavaCompletionProposals", I_JAVA_COMPLETION_PROPOSAL_SIG, "java.lang.Object[]", "java.lang.Object"))
 			.build());
+		
+		sm.addScriptIfWitness(OSGI_TYPES, ScriptBuilder.wrapReturnValue()
+			.target(new MethodTarget("org.eclipse.jdt.core.search.SearchPattern", "createPattern", "org.eclipse.jdt.core.search.SearchPattern", "org.eclipse.jdt.core.IJavaElement", "int", "int"))
+			.wrapMethod(new Hook(PATCH_EXTENSIONMETHOD, "modifyMethodPattern", "java.lang.Object", "java.lang.Object"))
+			.cast()
+			.request(StackRequest.RETURN_VALUE)
+			.build());
 	}
 
 	private static void patchNullCheck(ScriptManager sm) {
diff --git a/src/eclipseAgent/lombok/eclipse/agent/PatchExtensionMethod.java b/src/eclipseAgent/lombok/eclipse/agent/PatchExtensionMethod.java
index 7743f9c6..9b2bde60 100644
--- a/src/eclipseAgent/lombok/eclipse/agent/PatchExtensionMethod.java
+++ b/src/eclipseAgent/lombok/eclipse/agent/PatchExtensionMethod.java
@@ -43,6 +43,7 @@ import lombok.eclipse.handlers.EclipseHandlerUtil;
 import lombok.experimental.ExtensionMethod;
 import lombok.permit.Permit;
 
+import org.eclipse.jdt.core.search.SearchPattern;
 import org.eclipse.jdt.internal.compiler.ast.ASTNode;
 import org.eclipse.jdt.internal.compiler.ast.Annotation;
 import org.eclipse.jdt.internal.compiler.ast.ClassLiteralAccess;
@@ -66,6 +67,7 @@ import org.eclipse.jdt.internal.compiler.lookup.Scope;
 import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
 import org.eclipse.jdt.internal.compiler.lookup.TypeIds;
 import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;
+import org.eclipse.jdt.internal.core.search.matching.MethodPattern;
 
 public class PatchExtensionMethod {
 	static class Extension {
@@ -378,6 +380,17 @@ public class PatchExtensionMethod {
 		MessageSend_postponedErrors.clear(methodCall);
 		return resolvedType;
 	}
+	
+	public static SearchPattern modifyMethodPattern(SearchPattern original) {
+		if (original != null && original instanceof MethodPattern) {
+			MethodPattern methodPattern = (MethodPattern) original;
+			if (methodPattern.parameterCount > 0) {
+				methodPattern.varargs = true;
+			}
+		}
+		
+		return original;
+	}
 
 	private static boolean requiresPolyBinding(Expression argument) {
 		return Reflection.isFunctionalExpression(argument) || argument instanceof ConditionalExpression && Reflection.isPolyExpression(argument);