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Kotlin for Eclipse

official JetBrains project

Welcome to Kotlin for Eclipse project! Some handy links:

Installation

To give it a try you will need a clean installation of Eclipse Neon or newer. The Kotlin plugin is available from the Eclipse Marketplace. The easiest way to install the Kotlin plugin is to drag-and-drop this button into a running Eclipse window:

Drag to your running Eclipse workspace to install Kotlin Plugin for Eclipse

Alternatively, you can use Help -> Eclipse Marketplace… menu, or the following update site:

https://dl.bintray.com/jetbrains/kotlin/eclipse-plugin/last/

Building and Development

Eclipse IDE for Eclipse Committers is the recommended way to build and develop the kotlin-eclipse project. Eclipse Oxygen 4.7 is used so far.

In order to start development in Eclipse:

  • Install the AspectJ Eclipse plug-in for Eclipse 4.7. To install AJDT 2.2.4 use the following update site:

     http://download.eclipse.org/tools/ajdt/47/dev/update

  • Since Kotlin plugin contains code written in Kotlin itself, you will also need a Kotlin plugin to build the project in Eclipse. To install the Kotlin Eclipse plugin use the following update site:

     https://teamcity.jetbrains.com/guestAuth/repository/download/Kotlin_EclipsePlugin/bootstrap.tcbuildtag/

  • Since Kotlin plugin uses weaving, you need to launch the project with weaving enabled. Installation of Equinox Weaving Launcher will add two additional launch configurations types for running plugin and for testing. To install the Equinox Weaving Launcher you can use the following update site:

     http://download.scala-ide.org/plugins/equinox-weaving-launcher/releases/site/

  • Import plugin projects from the cloned repository into your workspace

     File -> Import -> Existing Projects into Workspace

  • Using the command line, run gradle build to download the Kotlin compiler. It will be used as a bundled compiler in built plugin and as a library during development.

    cd {repository}/kotlin-bundled-compiler
./gradlew clean getBundled

    or in Windows environment:

    cd {repository}\kotlin-bundled-compiler
gradlew.bat clean getBundled

  • Run another instance of Eclipse with the Kotlin plugin inside

     kotlin-eclipse-ui -> Run As -> Eclipse Weaving enabled Eclipse Application

Building from the command line is also available (Note that Maven 3.0.5 is required):

cd {repository}
mvn install

Eclipse update sites

Latest stable release:

https://dl.bintray.com/jetbrains/kotlin/eclipse-plugin/last/

Any previously released version (replace :version with the version number):

https://dl.bintray.com/jetbrains/kotlin/eclipse-plugin/:version/

Nightly build:

https://teamcity.jetbrains.com/guestAuth/repository/download/Kotlin_EclipsePlugin/.lastSuccessful/

Kotlin Eclipse Plugin Developer Documentation

See basic developer documentation here