[groovy] IDEA-224641 Wrong resolve of 'this' and 'super' in anonymous classes definition

GitOrigin-RevId: f1818e1bee67c70d89a7dd1d937a31781d808052

plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/util/PsiUtil.java

@@ -443,8 +443,15 @@ public class PsiUtil {
   }
 
   @Nullable
-  public static PsiClass getContextClass(@Nullable PsiElement context) {
+  public static PsiClass getContextClass(@Nullable PsiElement element) {
+    PsiElement context = element;
     while (context != null) {
+      if (context instanceof GrAnonymousClassDefinition
+          && PsiTreeUtil.isAncestor(((GrAnonymousClassDefinition)context).getArgumentListGroovy(), element, false)) {
+        context = context.getContext();
+        continue;
+      }
+
       if (context instanceof PsiClass && !isInDummyFile(context)) {
         return (PsiClass)context;
       }

plugins/groovy/test/org/jetbrains/plugins/groovy/lang/resolve/ExpressionTypeTest.groovy

@@ -36,4 +36,31 @@ class B {}
     expressionTypeTest 'new A()++', 'A'
     expressionTypeTest '++new A()', 'B'
   }
+
+  @Test
+  void 'this inside anonymous definition'() {
+    typingTest '''
+class Test {
+    void main2() {
+        new A(th<caret>is){}
+    }
+}
+
+class A{}
+''', "Test"
+  }
+
+  @Test
+  void 'super inside anonymous definition'() {
+    typingTest '''
+class Test extends C {
+    void main2() {
+        new A(su<caret>per.equals("")){}
+    }
+}
+class C {}
+class B {}
+class A extends B {}
+''', "C"
+  }
 }