Fix inlining method with anonymous class and qualified this reference (…

…#1799)

* Fix inlining method with anonymous class and qualified this reference

- fix SourceAnalyzer to denote a qualified this receiver if the
  qualifier is a type and also to not denote an anonymous class
  instantiation for implicit receiver
- add new test to InlineMethodTests
- fixes #1780

org.eclipse.jdt.core.manipulation/core extension/org/eclipse/jdt/internal/corext/refactoring/code/SourceAnalyzer.java

@@ -268,7 +268,7 @@ public boolean visit(ClassInstanceCreation node) {
 			if (fTypeCounter == 0) {
 				Expression receiver= node.getExpression();
 				if (receiver == null) {
-					if (node.resolveTypeBinding().isLocal())
+					if (node.resolveTypeBinding().isLocal() && !node.resolveTypeBinding().isAnonymous())
 						fImplicitReceivers.add(node);
 				}
 			}
@@ -327,6 +327,12 @@ public boolean visit(ThisExpression node) {
 			if (fTypeCounter == 0) {
 				fImplicitReceivers.add(node);
 			}
+			if (node.getQualifier() instanceof Name qualifier) {
+				IBinding binding= qualifier.resolveBinding();
+				if (binding instanceof ITypeBinding) {
+					fImplicitReceivers.add(node);
+				}
+			}
 			return true;
 		}
 		private void addReferencesToName(SimpleName node) {

org.eclipse.jdt.ui.tests.refactoring/resources/InlineMethodWorkspace/TestCases/receiver_in/TestQualifiedAnonymousReceiver.java

@@ -0,0 +1,22 @@
+package receiver_in;
+
+public class TestQualifiedAnonymousReceiver {
+	int x = 10;
+
+	void superClassMethod() {
+		System.out.println(x);
+	}
+
+	static void callingMethod(TestQualifiedAnonymousReceiver instance) {
+		/*]*/instance.methodToBeInlined();/*[*/
+	}
+
+	void methodToBeInlined() {
+		int k = 0;
+		new Object() {
+			void execute() {
+				TestQualifiedAnonymousReceiver.this.superClassMethod();
+			}
+		}.execute();
+	}
+}

org.eclipse.jdt.ui.tests.refactoring/resources/InlineMethodWorkspace/TestCases/receiver_out/TestQualifiedAnonymousReceiver.java

@@ -0,0 +1,27 @@
+package receiver_out;
+
+public class TestQualifiedAnonymousReceiver {
+	int x = 10;
+
+	void superClassMethod() {
+		System.out.println(x);
+	}
+
+	static void callingMethod(TestQualifiedAnonymousReceiver instance) {
+		/*]*/int k = 0;
+		new Object() {
+			void execute() {
+				instance.superClassMethod();
+			}
+		}.execute();/*[*/
+	}
+
+	void methodToBeInlined() {
+		int k = 0;
+		new Object() {
+			void execute() {
+				TestQualifiedAnonymousReceiver.this.superClassMethod();
+			}
+		}.execute();
+	}
+}

org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/InlineMethodTests.java

@@ -955,6 +955,11 @@ public void testExplicitThisMethodReceiver() throws Exception {
 		performReceiverTest();
 	}
 
+	@Test
+	public void testQualifiedAnonymousReceiver() throws Exception {
+		performReceiverTest();
+	}
+
 	@Test
 	public void testThisReceiver() throws Exception {
 		performReceiverTestInlineMethod();