Kotlin/Native IDE plugin clean-up

- Re-organize classes

idea/idea-native/src/org/jetbrains/kotlin/ide/konan/decompiler/KotlinNativeDecompiledFile.kt

@@ -10,5 +10,7 @@ import org.jetbrains.kotlin.idea.decompiler.KotlinDecompiledFileViewProvider
 import org.jetbrains.kotlin.idea.decompiler.KtDecompiledFile
 import org.jetbrains.kotlin.idea.decompiler.textBuilder.DecompiledText
 
-class KotlinNativeDecompiledFile(provider: KotlinDecompiledFileViewProvider, text: (VirtualFile) -> DecompiledText) :
+class KotlinNativeDecompiledFile(
-    KtDecompiledFile(provider, text)
+    provider: KotlinDecompiledFileViewProvider,
+    text: (VirtualFile) -> DecompiledText
+) : KtDecompiledFile(provider, text)

idea/idea-native/src/org/jetbrains/kotlin/ide/konan/decompiler/KotlinNativeMetaBinary.kt

@@ -2,13 +2,8 @@
  * Copyright 2010-2018 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.ide.konan.decompiler
 
-package org.jetbrains.kotlin.ide.konan.decompiler;
+import org.jetbrains.kotlin.idea.util.KotlinBinaryExtension
 
-import org.jetbrains.kotlin.idea.util.KotlinBinaryExtension;
+class KotlinNativeMetaBinary : KotlinBinaryExtension(KotlinNativeMetaFileType)
-
-public class KotlinNativeMetaBinary extends KotlinBinaryExtension {
-    public KotlinNativeMetaBinary() {
-        super(KotlinNativeMetaFileType.INSTANCE);
-    }
-}

idea/idea-native/src/org/jetbrains/kotlin/ide/konan/decompiler/KotlinNativeMetaFileType.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2010-2019 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.ide.konan.decompiler
+
+import com.intellij.openapi.fileTypes.FileType
+import com.intellij.openapi.vfs.VirtualFile
+import org.jetbrains.kotlin.library.KLIB_METADATA_FILE_EXTENSION
+
+object KotlinNativeMetaFileType : FileType {
+    override fun getName() = "KNM"
+    override fun getDescription() = "Kotlin/Native Metadata"
+    override fun getDefaultExtension() = KLIB_METADATA_FILE_EXTENSION
+    override fun getIcon(): Nothing? = null
+    override fun isBinary() = true
+    override fun isReadOnly() = true
+    override fun getCharset(file: VirtualFile, content: ByteArray): Nothing? = null
+
+    const val STUB_VERSION = 2
+}

idea/idea-native/src/org/jetbrains/kotlin/ide/konan/decompiler/KotlinNativeMetaFileTypeFactory.kt

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2010-2019 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.ide.konan.decompiler
+
+import com.intellij.openapi.fileTypes.FileTypeConsumer
+import com.intellij.openapi.fileTypes.FileTypeFactory
+
+class KotlinNativeMetaFileTypeFactory : FileTypeFactory() {
+
+    override fun createFileTypes(consumer: FileTypeConsumer) = consumer.consume(KotlinNativeMetaFileType, KotlinNativeMetaFileType.defaultExtension)
+}

idea/idea-native/src/org/jetbrains/kotlin/ide/konan/decompiler/KotlinNativeMetadataDecompiler.kt

@@ -5,12 +5,8 @@
 
 package org.jetbrains.kotlin.ide.konan.decompiler
 
-import com.intellij.openapi.fileTypes.FileType
-import com.intellij.openapi.fileTypes.FileTypeConsumer
-import com.intellij.openapi.fileTypes.FileTypeFactory
 import com.intellij.openapi.vfs.VirtualFile
 import org.jetbrains.kotlin.backend.common.serialization.metadata.KlibMetadataVersion
-import org.jetbrains.kotlin.library.KLIB_METADATA_FILE_EXTENSION
 import org.jetbrains.kotlin.library.metadata.KlibMetadataSerializerProtocol
 import org.jetbrains.kotlin.serialization.konan.NullFlexibleTypeDeserializer
 
@@ -22,26 +18,8 @@ class KotlinNativeMetadataDecompiler : KotlinNativeMetadataDecompilerBase<KlibMe
     { KlibMetadataVersion.INVALID_VERSION },
     KotlinNativeMetaFileType.STUB_VERSION
 ) {
-
     override fun doReadFile(file: VirtualFile): FileWithMetadata? {
         val fragment = KotlinNativeLoadingMetadataCache.getInstance().getCachedPackageFragment(file) ?: return null
         return FileWithMetadata.Compatible(fragment, KlibMetadataSerializerProtocol) //todo: check version compatibility
     }
 }
-
-object KotlinNativeMetaFileType : FileType {
-    override fun getName() = "KNM"
-    override fun getDescription() = "Kotlin/Native Metadata"
-    override fun getDefaultExtension() = KLIB_METADATA_FILE_EXTENSION
-    override fun getIcon(): Nothing? = null
-    override fun isBinary() = true
-    override fun isReadOnly() = true
-    override fun getCharset(file: VirtualFile, content: ByteArray): Nothing? = null
-
-    const val STUB_VERSION = 2
-}
-
-class KotlinNativeMetaFileTypeFactory : FileTypeFactory() {
-
-    override fun createFileTypes(consumer: FileTypeConsumer) = consumer.consume(KotlinNativeMetaFileType, KotlinNativeMetaFileType.defaultExtension)
-}

idea/idea-native/src/org/jetbrains/kotlin/ide/konan/decompiler/KotlinNativeMetadataDeserializerForDecompiler.kt

@@ -3,7 +3,6 @@
  * 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.ide.konan.decompiler
 
 import com.intellij.openapi.diagnostic.Logger