Move Kotlin version to 1.1.4, fix some warnings. (#802)

Interop/Indexer/src/main/kotlin/org/jetbrains/kotlin/native/interop/indexer/Utils.kt

@@ -139,10 +139,10 @@ internal fun visitChildren(parent: CValue<CXCursor>, visitor: CursorVisitor) {
     val visitorPtr = StableObjPtr.create(visitor)
     try {
         val clientData = visitorPtr.value
-        clang_visitChildren(parent, staticCFunction { cursor, parent, clientData ->
-            @Suppress("NAME_SHADOWING", "UNCHECKED_CAST")
-            val visitor = StableObjPtr.fromValue(clientData!!).get() as CursorVisitor
-            visitor(cursor, parent)
+        clang_visitChildren(parent, staticCFunction { cursorIt, parentIt, clientDataIt ->
+            @Suppress("UNCHECKED_CAST")
+            val visitorIt = StableObjPtr.fromValue(clientDataIt!!).get() as CursorVisitor
+            visitorIt(cursorIt, parentIt)
         }, clientData)
     } finally {
         visitorPtr.dispose()
@@ -345,16 +345,20 @@ internal fun indexTranslationUnit(index: CXIndex, translationUnit: CXTranslation
             val indexerCallbacks = alloc<IndexerCallbacks>().apply {
                 abortQuery = null
                 diagnostic = null
-                enteredMainFile = staticCFunction { clientData, mainFile, reserved ->
+                enteredMainFile = staticCFunction { clientData, mainFile, _ ->
                     @Suppress("NAME_SHADOWING")
                     val indexer = StableObjPtr.fromValue(clientData!!).get() as Indexer
                     indexer.enteredMainFile(mainFile!!)
+                    // We must ensure only interop types exist in function signature.
+                    @Suppress("USELESS_CAST")
                     null as CXIdxClientFile?
                 }
                 ppIncludedFile = staticCFunction { clientData, info ->
                     @Suppress("NAME_SHADOWING")
                     val indexer = StableObjPtr.fromValue(clientData!!).get() as Indexer
                     indexer.ppIncludedFile(info!!.pointed)
+                    // We must ensure only interop types exist in function signature.
+                    @Suppress("USELESS_CAST")
                     null as CXIdxClientFile?
                 }
                 importedASTFile = null

Interop/Runtime/src/jvm/kotlin/kotlinx/cinterop/JvmCallbacks.kt

@@ -258,7 +258,7 @@ private fun createStaticCFunctionImpl(
     val impl: FfiClosureImpl = when (arity) {
         0 -> {
             val f = function as () -> Any?
-            ffiClosureImpl(returnType) { args ->
+            ffiClosureImpl(returnType) { _ ->
                 f()
             }
         }

Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/MappingBridgeGeneratorImpl.kt

@@ -123,7 +123,7 @@ class MappingBridgeGeneratorImpl(
 
         val bridgeArguments = mutableListOf<BridgeTypedNativeValue>()
 
-        nativeValues.forEachIndexed { index, (type, value) ->
+        nativeValues.forEachIndexed { _, (type, value) ->
             val bridgeArgument = if (type.unwrapTypedefs() is RecordType) {
                 BridgeTypedNativeValue(BridgedType.NATIVE_PTR, "&$value")
             } else {

Interop/StubGenerator/src/main/kotlin/org/jetbrains/kotlin/native/interop/gen/ObjCStubs.kt

@@ -25,7 +25,7 @@ private fun ObjCMethod.getKotlinParameterNames(): List<String> {
     val result = mutableListOf<String>()
 
     // The names of all parameters except first must depend only on the selector:
-    this.parameters.forEachIndexed { index, parameter ->
+    this.parameters.forEachIndexed { index, _ ->
         if (index > 0) {
             var name = selectorParts[index]
             if (name.isEmpty()) {