From 75b7a88a45f08dda24bb8dfe466acee0b10f3b40 Mon Sep 17 00:00:00 2001
From: Rawi01 <Rawi01@users.noreply.github.com>
Date: Thu, 20 Aug 2020 09:53:18 +0200
Subject: [fixes #2261] Detect static method access properly

---
 .../javac/handlers/HandleExtensionMethod.java      | 30 +++++++++++++++++-----
 1 file changed, 23 insertions(+), 7 deletions(-)

(limited to 'src/core')

diff --git a/src/core/lombok/javac/handlers/HandleExtensionMethod.java b/src/core/lombok/javac/handlers/HandleExtensionMethod.java
index 345c5f8e..805a96f8 100644
--- a/src/core/lombok/javac/handlers/HandleExtensionMethod.java
+++ b/src/core/lombok/javac/handlers/HandleExtensionMethod.java
@@ -28,6 +28,7 @@ import static lombok.javac.handlers.JavacResolver.*;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
 
 import javax.lang.model.element.ElementKind;
 
@@ -37,12 +38,14 @@ import lombok.core.HandlerPriority;
 import lombok.experimental.ExtensionMethod;
 import lombok.javac.JavacAnnotationHandler;
 import lombok.javac.JavacNode;
+import lombok.javac.JavacResolution;
 
 import org.mangosdk.spi.ProviderFor;
 
 import com.sun.source.tree.MethodInvocationTree;
 import com.sun.source.util.TreeScanner;
 import com.sun.tools.javac.code.Symbol;
+import com.sun.tools.javac.code.Symbol.ClassSymbol;
 import com.sun.tools.javac.code.Symbol.MethodSymbol;
 import com.sun.tools.javac.code.Symbol.TypeSymbol;
 import com.sun.tools.javac.code.Type;
@@ -51,6 +54,7 @@ import com.sun.tools.javac.code.Type.ErrorType;
 import com.sun.tools.javac.code.Type.ForAll;
 import com.sun.tools.javac.code.Type.MethodType;
 import com.sun.tools.javac.code.Types;
+import com.sun.tools.javac.tree.JCTree;
 import com.sun.tools.javac.tree.JCTree.JCAnnotation;
 import com.sun.tools.javac.tree.JCTree.JCClassDecl;
 import com.sun.tools.javac.tree.JCTree.JCExpression;
@@ -166,13 +170,25 @@ public class HandleExtensionMethod extends JavacAnnotationHandler<ExtensionMetho
 			JCExpression receiver = receiverOf(methodCall);
 			String methodName = methodNameOf(methodCall);
 			
-			if ("this".equals(methodName) || "super".equals(methodName)) return;
-			Type resolvedMethodCall = CLASS_AND_METHOD.resolveMember(methodCallNode, methodCall);
-			if (resolvedMethodCall == null) return;
-			if (!suppressBaseMethods && !(resolvedMethodCall instanceof ErrorType)) return;
-			Type receiverType = CLASS_AND_METHOD.resolveMember(methodCallNode, receiver);
-			if (receiverType == null) return;
-			if (receiverType.tsym.toString().endsWith(receiver.toString())) return;
+			if ("this".equals(receiver.toString()) || "this".equals(methodName) || "super".equals(methodName)) return;
+			Map<JCTree, JCTree> resolution = new JavacResolution(methodCallNode.getContext()).resolveMethodMember(methodCallNode);
+			
+			JCTree resolvedMethodCall = resolution.get(methodCall);
+			if (resolvedMethodCall == null || resolvedMethodCall.type == null) return;
+			if (!suppressBaseMethods && !(resolvedMethodCall.type instanceof ErrorType)) return;
+			
+			JCTree resolvedReceiver = resolution.get(receiver);
+			if (resolvedReceiver == null || resolvedReceiver.type == null) return;
+			Type receiverType = resolvedReceiver.type;
+			
+			// Skip static method access
+			Symbol sym = null;
+			if (resolvedReceiver instanceof JCIdent) {
+				sym = ((JCIdent) resolvedReceiver).sym;
+			} else if (resolvedReceiver instanceof JCFieldAccess) {
+				sym = ((JCFieldAccess) resolvedReceiver).sym;
+			}
+			if (sym instanceof ClassSymbol) return;
 			
 			Types types = Types.instance(annotationNode.getContext());
 			for (Extension extension : extensions) {
-- 
cgit