KMA-51 Create API to use ObjCExportTranslator to translate functions in IDE

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/ObjCExportHeaderGenerator.kt

@@ -283,11 +283,7 @@ internal class ObjCExportTranslatorImpl(
             return translateUnexposedClassAsUnavailableStub(descriptor)
         }
 
-        val genericExportScope = if (objcGenerics) {
+        val genericExportScope = createGenericExportScope(descriptor)
-            ObjCClassExportScope(descriptor, namer)
-        } else {
-            ObjCNoneExportScope
-        }
 
         fun superClassGenerics(genericExportScope: ObjCExportScope): List<ObjCNonNullReferenceType> {
             if (objcGenerics) {
@@ -431,6 +427,12 @@ internal class ObjCExportTranslatorImpl(
         )
     }
 
+    internal fun createGenericExportScope(descriptor: ClassDescriptor): ObjCExportScope = if (objcGenerics) {
+        ObjCClassExportScope(descriptor, namer)
+    } else {
+        ObjCNoneExportScope
+    }
+
     private fun buildThrowableAsErrorMethod(): ObjCMethod {
         val asError = ObjCExportNamer.kotlinThrowableAsErrorMethodName
         return ObjCMethod(
@@ -610,7 +612,7 @@ internal class ObjCExportTranslatorImpl(
         return ObjCProperty(name, property, type, attributes, setterName, getterName, declarationAttributes)
     }
 
-    private fun buildMethod(
+    internal fun buildMethod(
             method: FunctionDescriptor,
             baseMethod: FunctionDescriptor,
             objCExportScope: ObjCExportScope,

kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/objcexport/ObjCExportTranslatorMobile.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * 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.backend.konan.objcexport
+
+import org.jetbrains.kotlin.descriptors.ClassDescriptor
+import org.jetbrains.kotlin.descriptors.FunctionDescriptor
+
+class ObjCExportTranslatorMobile internal constructor(private val delegate: ObjCExportTranslatorImpl) : ObjCExportTranslator by delegate {
+    companion object {
+        fun create(namer: ObjCExportNamer): ObjCExportTranslatorMobile {
+            return ObjCExportTranslatorMobile(ObjCExportTranslatorImpl(null, ObjCExportMapper(), namer, ObjCExportProblemCollector.SILENT, false))
+        }
+    }
+
+    fun translateBaseFunction(descriptor: FunctionDescriptor): ObjCMethod {
+        val classDescriptor = descriptor.containingDeclaration as? ClassDescriptor
+        val scope = classDescriptor?.let { delegate.createGenericExportScope(it) } ?: ObjCNoneExportScope
+        return delegate.buildMethod(descriptor, descriptor, scope)
+    }
+}