Merge pull request #11304 from tamasvajk/kotlin-mut-dep

Kotlin: Exclude .kt files from mutual dependency query

java/ql/src/Architecture/Dependencies/MutualDependency.ql

@@ -30,6 +30,8 @@ where
     t2.getName().toLowerCase().matches("%visitor%") or
     t1.getAMethod().getName().toLowerCase().matches("%visit%") or
     t2.getAMethod().getName().toLowerCase().matches("%visit%") or
-    t1.getPackage() = t2.getPackage()
+    t1.getPackage() = t2.getPackage() or
+    t1.getFile().isKotlinSourceFile() or
+    t2.getFile().isKotlinSourceFile()
   )
 select t1, "This type and type $@ are mutually dependent.", t2, t2.getName()

java/ql/test/kotlin/query-tests/MutualDependency/MutualDependency.qlref

@@ -0,0 +1 @@
+Architecture/Dependencies/MutualDependency.ql

java/ql/test/kotlin/query-tests/MutualDependency/Test.kt

@@ -0,0 +1,8 @@
+package foo.bar
+
+class Foo {
+    private fun someFun() {
+        fun say(s: String) { println(s) }
+        say("Str")
+    }
+}