[JS FE] Prohibit inline classes as parameter type and return type of external declarations

#KT-26171 Fixed

js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/DefaultErrorMessagesJs.kt

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.js.resolve.diagnostics
@@ -39,6 +28,7 @@ private val DIAGNOSTIC_FACTORY_TO_RENDERER by lazy {
         put(ErrorsJs.NESTED_EXTERNAL_DECLARATION, "Non top-level `external` declaration")
         put(ErrorsJs.WRONG_EXTERNAL_DECLARATION, "Declaration of such kind ({0}) can't be external", Renderers.STRING)
         put(ErrorsJs.EXTENSION_FUNCTION_IN_EXTERNAL_DECLARATION, "Function types with receiver are prohibited in external declarations")
+        put(ErrorsJs.INLINE_CLASS_IN_EXTERNAL_DECLARATION, "Using inline classes as parameter type or return type of external declarations is not supported")
 
         put(ErrorsJs.JS_NAME_CLASH, "JavaScript name ({0}) generated for this declaration clashes with another declaration: {1}",
             Renderers.STRING, Renderers.COMPACT)

js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/ErrorsJs.java

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.js.resolve.diagnostics;
@@ -43,6 +32,7 @@ public interface ErrorsJs {
     DiagnosticFactory1<KtExpression, String> WRONG_EXTERNAL_DECLARATION = DiagnosticFactory1.create(ERROR, DECLARATION_SIGNATURE_OR_DEFAULT);
     DiagnosticFactory0<KtExpression> EXTENSION_FUNCTION_IN_EXTERNAL_DECLARATION = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE_OR_DEFAULT);
     DiagnosticFactory0<KtExpression> NESTED_EXTERNAL_DECLARATION = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE_OR_DEFAULT);
+    DiagnosticFactory0<KtElement> INLINE_CLASS_IN_EXTERNAL_DECLARATION = DiagnosticFactory0.create(ERROR, DECLARATION_SIGNATURE_OR_DEFAULT);
 
     DiagnosticFactory2<KtElement, String, DeclarationDescriptor> JS_NAME_CLASH = DiagnosticFactory2.create(
             ERROR, DECLARATION_SIGNATURE_OR_DEFAULT);

js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/JsExternalChecker.kt

@@ -20,7 +20,9 @@ import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
 import org.jetbrains.kotlin.resolve.checkers.DeclarationChecker
 import org.jetbrains.kotlin.resolve.checkers.DeclarationCheckerContext
 import org.jetbrains.kotlin.resolve.descriptorUtil.*
+import org.jetbrains.kotlin.resolve.isInlineClassType
 import org.jetbrains.kotlin.resolve.source.getPsi
+import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.types.TypeUtils
 
 object JsExternalChecker : DeclarationChecker {
@@ -84,6 +86,29 @@ object JsExternalChecker : DeclarationChecker {
             trace.report(ErrorsJs.INLINE_EXTERNAL_DECLARATION.on(declaration))
         }
 
+        if (descriptor is CallableMemberDescriptor && !(descriptor is PropertyAccessorDescriptor && descriptor.isDefault)) {
+            fun checkTypeIsNotInlineClass(type: KotlinType, elementToReport: KtElement) {
+                if (type.isInlineClassType()) {
+                    trace.report(ErrorsJs.INLINE_CLASS_IN_EXTERNAL_DECLARATION.on(elementToReport))
+                }
+            }
+
+            for (p in descriptor.valueParameters) {
+                val ktParam = p.source.getPsi() as? KtParameter ?: declaration
+                checkTypeIsNotInlineClass(p.varargElementType ?: p.type, ktParam)
+            }
+
+            val elementToReport = when (declaration) {
+                is KtCallableDeclaration -> declaration.typeReference
+                is KtPropertyAccessor -> declaration.returnTypeReference
+                else -> declaration
+            }
+
+            elementToReport?.let {
+                checkTypeIsNotInlineClass(descriptor.returnType!!, it)
+            }
+        }
+
         if (descriptor is CallableMemberDescriptor && !(descriptor is PropertyAccessorDescriptor && descriptor.isDefault)) {
             for (p in descriptor.valueParameters) {
                 if ((p.varargElementType ?: p.type).isExtensionFunctionType) {