Fix source compatibility with 183 platform

idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/ExtensionFunctionTypeValueCompletion.kt

@@ -74,7 +74,7 @@ class ExtensionFunctionTypeValueCompletion(
                                     }
                                 }
 
-                                override fun handleInsert(context: InsertionContext?) {
+                                override fun handleInsert(context: InsertionContext) {
                                     insertHandler.handleInsert(context, this)
                                 }
                             }

idea/idea-jvm/src/org/jetbrains/kotlin/idea/debugger/surroundWith/KotlinRuntimeTypeCastSurrounder.kt

@@ -16,7 +16,6 @@ import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.ScrollType
 import com.intellij.openapi.progress.ProgressIndicator
 import com.intellij.openapi.progress.util.ProgressWindow
-import com.intellij.openapi.progress.util.ProgressWindowWithNotification
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.util.TextRange
 import org.jetbrains.kotlin.idea.KotlinBundle

idea/idea-maven/src/org/jetbrains/kotlin/idea/maven/PomFile.kt

@@ -176,7 +176,7 @@ class PomFile private constructor(private val xmlFile: XmlFile, val domModel: Ma
             // rearrange
             val referenceElement = referencePlugin.xmlElement!!
             val newElement = referenceElement.parent.addAfter(plugin.xmlElement!!, referenceElement)
-            plugin.xmlTag.delete()
+            plugin.xmlTag?.delete()
 
             return domModel.build.plugins.plugins.single { it.xmlElement == newElement }
         }
@@ -203,7 +203,7 @@ class PomFile private constructor(private val xmlFile: XmlFile, val domModel: Ma
         val existingGoals = execution.goals.goals.mapNotNull { it.rawText }
         for (goal in goals.filter { it !in existingGoals }) {
             val goalTag = execution.goals.ensureTagExists().createChildTag("goal", goal)
-            execution.goals.xmlTag.add(goalTag)
+            execution.goals.xmlTag?.add(goalTag)
         }
 
         return execution
@@ -301,20 +301,22 @@ class PomFile private constructor(private val xmlFile: XmlFile, val domModel: Ma
             execution.configuration.xmlTag?.findSubTags("sourceDirs")?.forEach { it.deleteCascade() }
         } else {
             val sourceDirsTag = executionConfiguration(execution, "sourceDirs")
-            val newSourceDirsTag = execution.configuration.createChildTag("sourceDirs")
+            execution.configuration.createChildTag("sourceDirs")?.let { newSourceDirsTag ->
-            for (dir in sourceDirs) {
+                for (dir in sourceDirs) {
-                newSourceDirsTag.add(newSourceDirsTag.createChildTag("source", dir))
+                    newSourceDirsTag.add(newSourceDirsTag.createChildTag("source", dir))
+                }
+                sourceDirsTag.replace(newSourceDirsTag)
             }
-            sourceDirsTag.replace(newSourceDirsTag)
         }
     }
 
     fun executionSourceDirs(execution: MavenDomPluginExecution): List<String> {
         return execution.configuration.xmlTag
-            .getChildrenOfType<XmlTag>().firstOrNull { it.localName == "sourceDirs" }
+            ?.getChildrenOfType<XmlTag>()
+            ?.firstOrNull { it.localName == "sourceDirs" }
             ?.getChildrenOfType<XmlTag>()
             ?.map { it.getChildrenOfType<XmlText>().joinToString("") { it.text } }
-                ?: emptyList()
+            ?: emptyList()
     }
 
     private fun executionConfiguration(execution: MavenDomPluginExecution, name: String): XmlTag {
@@ -439,7 +441,7 @@ class PomFile private constructor(private val xmlFile: XmlFile, val domModel: Ma
         null
     )
 
-    private fun MavenDomElement.createChildTag(name: String, value: String? = null) = xmlTag.createChildTag(name, value)
+    private fun MavenDomElement.createChildTag(name: String, value: String? = null) = xmlTag?.createChildTag(name, value)
     private fun XmlTag.createChildTag(name: String, value: String? = null) = createChildTag(name, namespace, value, false)!!
 
     private tailrec fun XmlTag.deleteCascade() {
@@ -667,7 +669,7 @@ private fun PomFile.changeConfigurationOrProperty(
 ): XmlTag? {
     val configuration = kotlinPlugin.configuration
     if (configuration.exists()) {
-        val subTag = configuration.xmlTag.findFirstSubTag(configurationTagName)
+        val subTag = configuration.xmlTag?.findFirstSubTag(configurationTagName)
         if (subTag != null) {
             subTag.value.text = value
             return subTag

idea/src/org/jetbrains/kotlin/idea/actions/internal/SearchNotPropertyCandidatesAction.kt

@@ -39,7 +39,7 @@ import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameUnsafe
 
 
 class SearchNotPropertyCandidatesAction : AnAction() {
-    override fun actionPerformed(e: AnActionEvent?) {
+    override fun actionPerformed(e: AnActionEvent) {
         val project = e?.project!!
         val psiFile = e.getData(CommonDataKeys.PSI_FILE) as? KtFile ?: return
 

idea/src/org/jetbrains/kotlin/idea/actions/internal/benchmark/AbstractCompletionBenchmarkAction.kt

@@ -55,8 +55,8 @@ import javax.swing.JFileChooser
 import javax.swing.JPanel
 
 abstract class AbstractCompletionBenchmarkAction : AnAction() {
-    override fun actionPerformed(e: AnActionEvent?) {
+    override fun actionPerformed(e: AnActionEvent) {
-        val project = e?.project ?: return
+        val project = e.project ?: return
 
         val benchmarkSink = CompletionBenchmarkSink.enableAndGet()
         val scenario = createBenchmarkScenario(project, benchmarkSink) ?: return

idea/src/org/jetbrains/kotlin/idea/actions/internal/benchmark/HighlightingBenchmarkAction.kt

@@ -46,8 +46,8 @@ import javax.swing.JFileChooser
 import kotlin.properties.Delegates
 
 class HighlightingBenchmarkAction : AnAction() {
-    override fun actionPerformed(e: AnActionEvent?) {
+    override fun actionPerformed(e: AnActionEvent) {
-        val project = e?.project ?: return
+        val project = e.project ?: return
 
         val settings = showSettingsDialog() ?: return
 

idea/src/org/jetbrains/kotlin/idea/actions/internal/benchmark/TopLevelCompletionBenchmark.kt

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.idea.actions.internal.benchmark
 
+import com.intellij.openapi.actionSystem.AnActionEvent
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.ui.DialogBuilder
 import com.intellij.psi.PsiWhiteSpace
@@ -66,7 +67,6 @@ class TopLevelCompletionBenchmarkAction : AbstractCompletionBenchmarkAction() {
         return TopLevelCompletionBenchmarkScenario(ktFiles, settings, project, benchmarkSink, random)
     }
 
-
     data class Settings(val seed: Long, val lines: Int, val files: Int)
 
     private fun showSettingsDialog(): Settings? {

idea/src/org/jetbrains/kotlin/idea/migration/CodeMigrationAction.kt

@@ -8,10 +8,10 @@ package org.jetbrains.kotlin.idea.migration
 import com.intellij.openapi.actionSystem.AnActionEvent
 
 class CodeMigrationAction : CodeInspectionAction("Code Migration", "Code migration") {
-    override fun update(e: AnActionEvent?) {
+    override fun update(e: AnActionEvent) {
         super.update(e)
 
-        val project = e?.project
+        val project = e.project
         if (project != null) {
             e.presentation.isEnabledAndVisible = CodeMigrationToggleAction.isEnabled(project)
         }

idea/tests/org/jetbrains/kotlin/idea/refactoring/InplaceRenameTest.kt

@@ -196,34 +196,28 @@ class InplaceRenameTest : LightPlatformCodeInsightTestCase() {
         assertTrue(handler.isRenaming(dataContext), "In-place rename not allowed for " + element)
 
         val project = editor.project!!
-        val templateManager = TemplateManager.getInstance(project) as TemplateManagerImpl
-        try {
-            templateManager.setTemplateTesting(true)
 
-            object : WriteCommandAction.Simple<Any>(project) {
+        TemplateManagerImpl.setTemplateTesting(project, testRootDisposable)
-                override fun run() {
-                    handler.invoke(project, editor, file, dataContext)
-                }
-            }.execute()
 
-            var state = TemplateManagerImpl.getTemplateState(editor)
+        object : WriteCommandAction.Simple<Any>(project) {
-            assert(state != null)
+            override fun run() {
-            val range = state!!.currentVariableRange
+                handler.invoke(project, editor, file, dataContext)
-            assert(range != null)
+            }
-            object : WriteCommandAction.Simple<Any>(project) {
+        }.execute()
-                override fun run() {
-                    editor.document.replaceString(range!!.startOffset, range.endOffset, newName)
-                }
-            }.execute().throwException()
 
-            state = TemplateManagerImpl.getTemplateState(editor)
+        var state = TemplateManagerImpl.getTemplateState(editor)
-            assert(state != null)
+        assert(state != null)
-            state!!.gotoEnd(false)
+        val range = state!!.currentVariableRange
-        }
+        assert(range != null)
-        finally {
+        object : WriteCommandAction.Simple<Any>(project) {
-            templateManager.setTemplateTesting(false)
+            override fun run() {
-        }
+                editor.document.replaceString(range!!.startOffset, range.endOffset, newName)
+            }
+        }.execute().throwException()
 
+        state = TemplateManagerImpl.getTemplateState(editor)
+        assert(state != null)
+        state!!.gotoEnd(false)
 
         checkResultByFile(getTestName(false) + ".kt.after")
     }
@@ -235,8 +229,8 @@ class InplaceRenameTest : LightPlatformCodeInsightTestCase() {
     private fun doTestInplaceRename(newName: String?, handler: VariableInplaceRenameHandler = KotlinVariableInplaceRenameHandler()) {
         configureByFile(getTestName(false) + ".kt")
         val element = TargetElementUtil.findTargetElement(
-                LightPlatformCodeInsightTestCase.myEditor,
+            LightPlatformCodeInsightTestCase.myEditor,
-                TargetElementUtil.ELEMENT_NAME_ACCEPTED or TargetElementUtil.REFERENCED_ELEMENT_ACCEPTED
+            TargetElementUtil.ELEMENT_NAME_ACCEPTED or TargetElementUtil.REFERENCED_ELEMENT_ACCEPTED
         )
 
         assertNotNull(element)

idea/tests/org/jetbrains/kotlin/idea/refactoring/changeSignature/KotlinChangeSignatureTest.kt

@@ -140,7 +140,7 @@ class KotlinChangeSignatureTest : KotlinLightCodeInsightFixtureTestCase() {
                 else -> throw e
             }
             val conflictsFile = File(testDataPath + getTestName(false) + "Messages.txt")
-            UsefulTestCase.assertSameLinesWithFile(conflictsFile.absolutePath, message)
+            UsefulTestCase.assertSameLinesWithFile(conflictsFile.absolutePath, message!!)
         }
     }
 
@@ -161,7 +161,7 @@ class KotlinChangeSignatureTest : KotlinLightCodeInsightFixtureTestCase() {
                 else -> throw e
             }
             val conflictsFile = File(testDataPath + getTestName(false) + "Messages.txt")
-            UsefulTestCase.assertSameLinesWithFile(conflictsFile.absolutePath, message)
+            UsefulTestCase.assertSameLinesWithFile(conflictsFile.absolutePath, message!!)
         }
     }
 

plugins/android-extensions/android-extensions-idea/src/org/jetbrains/kotlin/android/synthetic/idea/AndroidGotoDeclarationHandler.kt

@@ -56,7 +56,7 @@ class AndroidGotoDeclarationHandler : GotoDeclarationHandler {
         return ModuleServiceManager.getService(moduleInfo.module, AndroidLayoutXmlFileManager::class.java)
     }
 
-    override fun getActionText(context: DataContext?): String? {
+    override fun getActionText(context: DataContext): String? {
         return null
     }
 }