Simplistic "compile and run haskell" IntelliJ action (see https://github.com/dkandalov/live-plugin)

plugin.groovy

import com.intellij.notification.*
import com.intellij.openapi.actionSystem.AnActionEvent
import com.intellij.openapi.progress.PerformInBackgroundOption


import static liveplugin.PluginUtil.*
import com.intellij.openapi.fileEditor.ex.FileEditorManagerEx
import com.intellij.openapi.vfs.VirtualFile
import com.intellij.openapi.fileEditor.FileDocumentManager

if (isIdeStartup) return 

registerAction("compile-c", "alt C, alt R", { AnActionEvent event ->
  def project = event.project
  VirtualFile file = currentFileIn(project)

  def docManager = FileDocumentManager.instance
  def document = docManager.getDocument(file)
  if (document != null) docManager.saveDocument(document)

  if (file.extension != "hs") return

  doInBackground("Compiling", false, PerformInBackgroundOption.ALWAYS_BACKGROUND, {
    try {
      def command = "ghc --make ${file.path}"
      def result = execute(command)
      def output = "> " + command + "\n" + result.stdout + "\n------\n" + result.stderr

      if (result.exitCode == 0) {
        command = file.parent.path + "/" + file.nameWithoutExtension
        result = execute(command)
        output += "> " + command + "\n" + result.stdout + "\n------\n" + result.stderr
      }
      showInConsole(output, project)
    } catch (Exception e) {
      showInConsole(e, project)
    }
  })
})
show("Loaded execute command action")