Cleanup: smart casts of safe call receiver applied (do NOT cherry-pick to 1.0.X)

compiler/frontend/src/org/jetbrains/kotlin/script/ScriptNameUtil.kt

@@ -31,7 +31,7 @@ object ScriptNameUtil {
                 .map { if (it.startsWith('.')) it else ".$it" }
                 .firstOrNull { fileName.endsWith(it) }
                 ?.let { fileName.length - it.length }
-                ?: fileName.lastIndexOf('.')?.let { if (it < 0) fileName.length else it }
+                ?: fileName.lastIndexOf('.').let { if (it < 0) fileName.length else it }
                 ?: fileName.length
         return fileName
                 .substring(nameStart, nameEnd)

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

@@ -168,7 +168,7 @@ class KotlinCompletionContributor : CompletionContributor() {
         val classOrObject = tokenBefore?.parents?.firstIsInstanceOrNull<KtClassOrObject>() ?: return false
         val name = classOrObject.nameIdentifier ?: return false
         val body = classOrObject.getBody() ?: return false
-        val offset = tokenBefore!!.startOffset
+        val offset = tokenBefore.startOffset
         return name.endOffset <= offset && offset <= body.startOffset
     }
 
@@ -180,7 +180,7 @@ class KotlinCompletionContributor : CompletionContributor() {
 
         val lambda = leaf?.parents?.firstOrNull { it is KtFunctionLiteral } ?: return null
 
-        val lambdaChild = leaf!!.parents.takeWhile { it != lambda }.lastOrNull()
+        val lambdaChild = leaf.parents.takeWhile { it != lambda }.lastOrNull()
 
         return if (lambdaChild is KtParameterList)
             CompletionUtilCore.DUMMY_IDENTIFIER_TRIMMED

idea/src/org/jetbrains/kotlin/idea/debugger/evaluate/FrameVisitor.kt

@@ -133,7 +133,7 @@ class FrameVisitor(context: EvaluationContextImpl) {
 
     private fun isFunctionType(type: Type?): Boolean {
         return type?.sort == Type.OBJECT &&
-               type!!.internalName.startsWith(InlineCodegenUtil.NUMBERED_FUNCTION_PREFIX)
+               type.internalName.startsWith(InlineCodegenUtil.NUMBERED_FUNCTION_PREFIX)
     }
 
     private fun findLocalVariable(name: String, asmType: Type?, checkType: Boolean): Value? {

idea/src/org/jetbrains/kotlin/idea/quickfix/AddLoopLabelFix.kt

@@ -79,7 +79,7 @@ class AddLoopLabelFix(loop: KtLoopExpression, val jumpExpression: KtElement): Ko
             assert(element is KtBreakExpression || element is KtContinueExpression)
             assert((element as? KtLabeledExpression)?.getLabelName() == null)
             val loop = element?.getStrictParentOfType<KtLoopExpression>() ?: return null
-            return AddLoopLabelFix(loop, element!!)
+            return AddLoopLabelFix(loop, element)
         }
     }
 }

idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/usages/KotlinParameterUsage.kt

@@ -51,7 +51,7 @@ class KotlinParameterUsage(
 ) : KotlinExplicitReferenceUsage<KtElement>(element) {
     override fun processReplacedElement(element: KtElement) {
         val qualifiedExpression = element.parent as? KtQualifiedExpression
-        val elementToShorten = if (qualifiedExpression?.receiverExpression == element) qualifiedExpression!! else element
+        val elementToShorten = if (qualifiedExpression?.receiverExpression == element) qualifiedExpression else element
         elementToShorten.addToShorteningWaitSet(Options(removeThis = true, removeThisLabels = true))
     }
 

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/extractionEngine/extractableAnalysisUtil.kt

@@ -720,7 +720,7 @@ private fun ExtractionData.suggestFunctionNames(returnType: KotlinType): List<St
     expressions.singleOrNull()?.let { expr ->
         val property = expr.getStrictParentOfType<KtProperty>()
         if (property?.initializer == expr) {
-            property?.name?.let { functionNames.add(KotlinNameSuggester.suggestNameByName("get" + it.capitalize(), validator)) }
+            property.name?.let { functionNames.add(KotlinNameSuggester.suggestNameByName("get" + it.capitalize(), validator)) }
         }
     }
 

j2k/src/org/jetbrains/kotlin/j2k/StatementConverter.kt

@@ -235,7 +235,7 @@ class DefaultStatementConverter : JavaElementVisitor(), StatementConverter {
     override fun visitWhileStatement(statement: PsiWhileStatement) {
         val condition = statement.condition
         val expression = if (condition?.type != null)
-            codeConverter.convertExpression(condition, condition!!.type)
+            codeConverter.convertExpression(condition, condition.type)
         else
             codeConverter.convertExpression(condition)
         result = WhileStatement(expression, codeConverter.convertStatementOrBlock(statement.body), statement.isInSingleLine())

js/js.frontend/src/org/jetbrains/kotlin/js/patterns/typePredicates/typePredicates.kt

@@ -46,7 +46,7 @@ private class TypePredicateImpl
         for (i in nameParts.lastIndex downTo 0) {
             if (nameParts[i] != descriptor?.name?.asString()) return false
 
-            descriptor = descriptor?.containingDeclaration
+            descriptor = descriptor.containingDeclaration
         }
 
         return true

plugins/lint/uast-android/src/org/jetbrains/uast/check/androidUtils.kt

@@ -27,6 +27,6 @@ fun UElement?.getLocation(): Location? {
     val psiFile = psiElement?.containingFile ?: return null
     val vfile = psiFile.virtualFile
     val file = VfsUtilCore.virtualToIoFile(vfile)
-    val range = psiElement?.textRange ?: return null
+    val range = psiElement.textRange ?: return null
     return Location.create(file, psiFile.text, range.startOffset, range.endOffset)
 }