./pull-binary-libs.sh • Import the project in Eclipse ( File → Import Existing Projects into Workspace) Navigate to src/eclipse. Check all projects and click ok. You should see at least the following projects in your workspace: • asm • continuations-library • reflect • scala-library • scala-compiler If you work on a version of the scala compiler older than 2.10.0, you may also find here the old fjbg project (an older bytecode generator backend). Before you go on, you need to follow the steps described in the on the Scala website. Come back once you are done.

Nov 10, 2018 - Dr. Java won't open Mac OS High Sierra V 10.13.6. Occurs when I try to compile from the IDE. Does not 'find' the Eclipse compiler when I run DrJava on my machine. After installing the Java JDK, clicking on the DrJava jar icon should invoke. The problem is that Apple reaaally doesn't want us to be. Installing Scala using Nix on macOS Sierra. I want to install Scala via Nix. I'm like to learn one or more ways to do it. Why doesn't 'Ralph Breaks the.

Using Eclipse for compiler development Now you are ready to start using Eclipse on the Scala compiler itself. Eclipse works by always keeping the binaries up to date, building each time you save a file. Since the compiler is such a large project, and has intricate dependencies, building may take a long time even for small changes. We suggest you switch off Project → Build Automatically and build explicitly ( CMD-B). The builder inside Eclipse is based on, which is correct but conservative. The Scala IDE has a different builder that is much more aggressive in tracking dependencies, but which may sometimes be incorrect. You can enable it on the Build Manager page on Scala Compiler properties.

Launching and Debugging scalac Since the output directories are set to the default ant build directories, all the runner scripts work out of the box. If you built the project, you can run build/quick/bin/scalac on the command line, and it will pick your changes. However, the interesting part is being able to use the Eclipse debugger. To launch scalac from Eclipse you need to create a Run Configuration, from Run → Run Configurations. Choose Scala Application and set the main class to scala.tools.nsc.Main.

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On the Arguments page, you need to explicitly set the path to the Scala library (that is what the runner script does for you on the command line).

Introduction This tutorial will teach you how to set up a full development environment for developing and debugging Spark applications. For this tutorial we’ll be using Scala, but Spark also supports development with,. We will be using be using Version: 2018.2 as our IDE running on Mac OSx High Sierra, and since we’re using we’ll use as our build manager.