Release Kotlin 1.3.50 EAP 1 · JetBrains/kotlin · GitHub

1.3.50

Compiler

• KT-12787 Debugger: Generate line number at end of function (to set a breakpoint on the last line of the block)
• KT-23675 "Parameter specified as non-null is null: method org.jetbrains.kotlin.codegen.FrameMapBase.getIndex, parameter descriptor" when classes are defined inside an anonymous extension function and access a field of the extension function's this instance
• KT-24596 Refactor / Inline const property does not insert its value into usage in annotation
• KT-25497 kotlinx.serialization - throws Backend Internal error exception during code generation of sealed classes
• KT-28927 "IllegalStateException: Arrays of class literals are not supported yet" in AnnotationDeserializer.resolveArrayElementType
• KT-31070 IndexOutOfBoundsException in Analyzer with @JvmOverloads constructor with 34+ parameters
• KT-31265 FIR: experimental compiler
• KT-31535 False positives from compiler warning IMPLICIT_NOTHING_AS_TYPE_PARAMETER
• KT-31969 NI: false positive USELESS_ELVIS with multiple elvis calls
• KT-32044 For loop over full UByte range terminates at UInt bound.

New Features

• KT-28098 Insert space after automatically closed right brace of nested lambda to follow code style

Fixes

• KT-16476 Extend selection (Select Word) doesn't select just KDoc if cursor is just before the KDoc
• KT-21374 Imports optimized tooltip is displayed, even if no changes were made
• KT-21422 IDE can't import class from root package
• KT-27344 MPP: jvmWithJava: no IDE module dependency is created between Kotlin test and Java main on import; Gradle build is successful
• KT-29667 Kotlin update settings has wrong looking text boxes for versions
• KT-30133 Update copyright creates duplicates for build.gradle.kts files
• KT-30782 'Show Method Separators' does not separate expression body Kotlin functions
• KT-31022 Quick definition does not show Kotlin code in Java files
• KT-31499 "Extend selection" selects escaped identifier name together with backticks
• KT-31595 "Complete current statement" for method call closes brace at wrong place
• KT-31637 NPE in IDE when organizing imports
• KT-31786 KNPE at copy attempt due to kdoc reference
• KT-32276 Fix flaky test for ultra light classes
• KT-32364 Remove deprecated usages of OUT_OF_CODE_BLOCK_MODIFICATION_COUNT and write a replacement for Kotlin language
• KT-32370 Lambdas should have implicit return in Kotlin Uast

IDE. Completion

• KT-9792 Don't propose the same name for arguments of lambda on completion of function call with lambda template
• KT-29572 Smart completing anonymous object uses incorrect code style

IDE. Debugger

New Features

• KT-30740 Display more information about variables when breakpoint is set inside lambda expression

Fixes

• KT-8579 Debugger: Evaluate expression fails at typed arrays
• KT-10183 Debugger: receiver properties are not shown inline in extension function
• KT-11663 Assignment is not possible in Evaluate expression
• KT-11706 Attempts to evaluate java method calls on 'Array' instance in debugger fail with NoSuchMethodError
• KT-11888 Evaluate Expression for expression with synchronized
• KT-11938 Empty condition is marked as error
• KT-13188 Cannot evaluate expression with local extension function
• KT-14421 Debugger: breakpoint set on trivial if/while is not hit
• KT-15259 Debug: closing brace of object definition is considered executable; ISE: "Don't call this method for local declarations: OBJECT_DECLARATION" at LazyDeclarationResolver.getMemberScopeDeclaredIn()
• KT-19084 Breakpoints on Debugger altering Result
• KT-19556 Kotlin exception while debugging IJ plugin code
• KT-19980 Debug: evaluation fails for setter of member extention property
• KT-20560 Evaluate expression doesn't work for super method call
• KT-23526 In *.kts scripts, debugger ignores breakpoints in top-level statements and members
• KT-24914 AS: Uninitialized yet lazy properties called on first debug point reach
• KT-26742 Debugger can't evaluate expected top-level function from common code
• KT-30120 False positive "Unused equals expression" in evaluate expression window
• KT-30730 Missing tooltip for "Kotlin variables view" button
• KT-30919 Debugger's "Kotlin View" doesn't show variables inside lambdas
• KT-30976 Debugger: No access to receiver evaluating named parameters during call to extension function
• KT-31418 java.lang.ClassCastException : java.lang.annotation.Annotation[] cannot be cast to byte[]
• KT-31510 isDumb should be used only under read action: KotlinEvaluator
• KT-31702 Debugger can't stop on breakpoint on Unit expression from coroutine context
• KT-31709 Evaluate: "IllegalArgumentException: Parameter specified as non-null is null: method org.jetbrains.kotlin.codegen.FrameMapBase.getIndex, parameter descriptor" with nested lambda member access

IDE. Gradle

• KT-19693 Import package prefix from Gradle
• KT-30667 Dependencies of a module on a multiplatform one with a JVM target and withJava() configured, are incorrectly resolved in IDE
• KT-32300 Add possibility to distinguish kotlin source root from java source root

IDE. Gradle. Script

• KT-31779 "Highlighting in scripts is not available"

IDE. Inspections and Intentions

New Features

• KT-8958 ReplaceWith intention message could be more helpful in case of generic substitution
• KT-12515 Quickfix "by Delegates.notNull()" as replacement for "lateinit" for primitive type
• KT-14344 Suggest to replace manual range with explicit indices call or iteration over collection
• KT-17916 Import popup does not indicate deprecated classes
• KT-23501 Add intention for converting ordinary properties to 'lazy' and vise versa
• KT-25006 Add inspection "'equals()' between objects of inconvertible primitive / enum / string types"
• KT-27353 Quickfix to add a constructor parameter from parent class to child class
• KT-30124 Add inspection to replace java.util.Arrays.equals with contentEquals
• KT-30640 Add inspection for check/require/checkNotNull/requireNotNull
• KT-30775 Inspection for the case when one lateinit var overrides another lateinit var
• KT-31476 Improve "Create expect..." quickfix
• KT-31533 Make "Add operator modifier" an inspection instead of intention
• KT-31795 Inspection: simplify property setter with custom visibility
• KT-31924 Make "add import" intention more flexible based on caret position

Fixes

• KT-12567 "Introduce 'when' subject" intention does not work for "this" in extension function
• KT-14369 "Replace elvis expression with 'if" intention produces boilerplate code for 'return' in RHS
• KT-16067 "Replace 'if' expression with elvis expression" suggests replacing an idiomatic code with non-idiomatic
• KT-19643 Tune or disable the FoldInitializerAndIfToElvis inspection
• KT-24439 No method imports suggested
• KT-25786 False positive "Not-null extension receiver of inline function can be made nullable" with operator fun invoke
• KT-25905 False positive for 'LeakingThis' on a method call in enum class body
• KT-27074 False positive "Foldable if-then" with Result type
• KT-27550 "Redundant explicit this" false positive with subclass and extension lambda
• KT-27563 Generate toString in common code shouldn't use java.util.Arrays
• KT-27822 Don't suggest might be const on actual member declaration
• KT-28595 "Assignment should be lifted out of 'if'" false negative for different but compatible derived types
• KT-29192 "Convert property to function" with explicit generic type loses getter body
• KT-29716 With both explicit and implicit package prefixes "Package name does not match containing directory" inspection suggests not usable quick fix
• KT-29731 Don't suggest Add val/var to parameter at expect class constructor
• KT-30191 "Lift out of if" intention isn't suggested for assignment of null
• KT-30197 ReplaceWith for deprecated function adds class literal/callable reference argument above unless it is used in substitution
• KT-30627 "Use property access syntax" produces red code if setter argument is a lambda with implicit SAM conversion
• KT-30804 Property declaration goes to annotation comment when removing only modifier using RemoveModifierFix
• KT-30975 ''when' has only 'else' branch and should be simplified' inspection removes subject variable definition used in else branch
• KT-31033 "Create expect ..." quick fix incorrectly works for a secondary constructor in a multiplatform project
• KT-31272 Expand "create expected ..." quick fix highlighting also to a primary constructor
• KT-31278 Inappropriate "Remove redundant .let call" inspection
• KT-31341 Incorrect quickfix "Replace with Kotlin analog" for conversion to an extension, where the first argument is an expression with an operation
• KT-31359 "Invalid property key" inspection false positive for a bundle with several properties files
• KT-31362 'Move variable declaration into when' quickfix comments left brace with EOL comment
• KT-31443 Remove braces intention places caret in a wrong place
• KT-31446 Incorrect quick fix “Create expected class" for inline class with parameter with actual
• KT-31518 Incorrect "Create expect function" for primary constructor
• KT-31673 Only when keyword should be highlighted in WhenWithOnlyElseInspection
• KT-31716 Decrease severity of PackageDirectoryMismatchInspection to INFO
• KT-31717 Decrease severity of RemoveCurlyBracesFromTemplateInspection
• KT-31816 "Package directive doesn't match file location" for root package is invisible in editor
• KT-31954 MoveVariableDeclarationIntoWhen should move the caret to the subject expression
• KT-32001 Wrong quickfixes for TOO_MANY_ARGUMENTS
• KT-32010 Convert ReplaceSingleLineLetIntention to inspections
• KT-32046 False negative "Redundant qualifier name" with class literal
• KT-32112 False positive "Redundant qualifier name"
• KT-32318 "Remove argument name" intention does not remove square braces for annotation vararg argument
• KT-32320 False negative "Redundant qualifier name" with local object
• KT-32347 Duplicative "Remove redundant 'public' modifier" suggestion for getter
• KT-32365 "Convert to sealed class" intention should not be suggested when no "class" keyword
• KT-32419 Spurious 'while' has empty body warning when body has explanatory comment
• KT-32506 False negative "Remove redundant qualifier name" with java.util.ArrayList<Int>()
• KT-32454 "Replace Java static method with Kotlin analog": invalid quick fix on 'abs()' function

IDE. KDoc

• KT-30985 Missing line break in quick doc for enum constant

IDE. Navigation

• KT-10215 Kotlin classes are listed after Java classes in the navigation bar

IDE. Refactorings

• KT-29720 Refactor / Move does not update package statement with implicit prefix
• KT-30762 Inline method produces invalid code for suspend functions with receiver

IDE. Scratch

• KT-23604 Scratch: end of line is wrongly indented with the end of scratch line output
• KT-27963 Make REPL mode in Scratch files incremental
• KT-29534 Line output jumps to the next line together with cursor

IDE. Script

• KT-25187 Kotlin script in src: warning: classpath entry points to a non-existent location on JDK 9+
• KT-31152 Errors in IDE when different Java Sdk are set as Project SDK and as Gradle JVM
• KT-31521 CNFE „org.jetbrains.kotlin.idea.caches.project.ScriptBinariesScopeCache“ on creating new Gradle based project
• KT-31826 Gradle clean task causes IDEA to lose kotlin scripting configuration
• KT-31837 TargetPlatform for scripts should depends on scriptDefinition.additionalArguments

IDE. Tests Support

• KT-30814 MPP, 191 platform: with Gradle test runner run configuration for platform test is created without tasks

JS. Tools

• KT-31527 Keep generating empty jsTest task
• KT-31565 Gradle/JS: npmResolve is never UP-TO-DATE
• KT-32326 Gradle, test runner: support postponing test running error reporting at the end of the build
• KT-32393 Gradle, JS: Resolve projects lazily

Libraries

• KT-29372 measureTime that returns both the result of block and elapsed time
• KT-32083 Incorrect ReplaceWith annotation on kotlin.js.pow

Reflection

• KT-22923 Reflection getMemberProperties fails: kotlin.reflect.jvm.internal.KotlinReflectionInternalError
• KT-31318 "KotlinReflectionInternalError: Method is not supported" on accessing array class annotation parameter

Tools. Daemon

• KT-31550 NSME org.jetbrains.kotlin.com.intellij.openapi.vfs.impl.jar.CoreJarFileSystem.clearHandlersCache()V on compileKotlin task with plugin from master

Tools. Gradle

New Features

• KT-26655 Precise metadata publishing and consumption for new MPP
• KT-31018 Gradle, JS: yarn
• KT-31703 Gradle, JS: automatically download d.ts and generate kotlin/js external declarations using dukat
• KT-31890 Gradle, JS, webpack: provide property with full bundle file path
• KT-32015 Gradle, JS: resolve configuration only while executing tasks of specific projects
• KT-32136 Gradle, test runner: handle case when test runtime exits abnormally

Performance Improvements

• KT-29538 AndroidSubPlugin#getCommonResDirectories is very slow

Fixes

• KT-29343 Kotlin MPP source set dependencies are not properly propagated to tests in Android projects
• KT-30691 Gradle, JS tests: Parent operation with id 947 not available when all tests passed
• KT-31917 Gradle, JS: transitive dependency between compilations in same project doesn't work
• KT-31985 Gradle, JS: webpack not working on windows
• KT-32072 Gradle, JS: browser() in DSL triggers project.evaluate()
• KT-32204 In an MPP, a dependency that is added to a non-root source set is incorrectly analyzed for source sets visibility
• KT-32225 In an MPP, if a dependency is added to a source set that does not take part in published compilations, it is not correctly analyzed in source set visibility inference
• KT-32564 Provide a flag to enable/disable hierarchical multiplatform mechanism in Gradle

Tools. Incremental Compile

• KT-31310 Incremental build of Kotlin/JS project fails with KNPE at IncrementalJsCache.nonDirtyPackageParts()

Tools. J2K

New Features

• KT-30776 New J2K
• KT-31836 Suggest user to configure Kotlin in the project when running new J2K file conversion
• KT-32512 ReplaceJavaStaticMethodWithKotlinAnalogInspection: add more cases for java.util.Arrays

Fixes

• KT-15791 J2K converts class literals including redundant generic <*>
• KT-31234 New J2K: Exception occurs on converting Java class to Kotlin
• KT-31250 J2K: caret position of original file is preserved, adding spaces to resulting file
• KT-31251 J2K: Java class with members is converted to Kotlin class with final constructor
• KT-31252 J2K: resulted file is not formatted
• KT-31254 J2K: resulted source uses full qualified references instead of imports
• KT-31255 J2K: redundant modifiers in resulted source
• KT-31726 New J2K converts annotation with array parameter to single value parameter
• KT-31809 "Attempt to modify PSI for non-committed Document!" exception and broken kotlin file after new J2K conversion
• KT-31821 J2K: IDEA Ultimate: local variable: CCE: "PsiLocalVariableImpl cannot be cast to class JvmAnnotatedElement" at JavaToJKTreeBuilder$DeclarationMapper.toJK()
• KT-32436 NewJ2K generic field is not initialized after convertion

Tools. JPS

• KT-27181 Compiler arguments are listed twice on JPS build of Gradle-based project

Tools. REPL

• KT-15125 Support JSR 223 bindings directly via script variables
• KT-32085 Kotlinc REPL: "java.lang.NoClassDefFoundError: org/jline/reader/LineReaderBuilder"

Tools. kapt

• KT-30578 build/generated/source/kaptKotlin is added as source directory to main instead of jvmMain when jvm { withJava() } is configured in a multiplatform project