build.sbt

import com.typesafe.tools.mima.plugin.{MimaPlugin, MimaKeys}
import Keys.{`package` => packageTask }
import com.typesafe.sbt.osgi.{OsgiKeys, SbtOsgi}

// plugin logic of build based on https://github.com/retronym/boxer

lazy val commonSettings = scalaModuleSettings ++ Seq(
  addCompilerPlugin("org.scalamacros" % "paradise" % "2.1.0-M5" cross CrossVersion.full),
  repoName                   := "scala-escape",
  organization               := "org.scala-lang.plugins",
  version                    := "1.0.1-SNAPSHOT",
  scalaVersion               := "2.11.4",
  snapshotScalaBinaryVersion := "2.11.4",
  scalacOptions ++= Seq(
    "-deprecation",
    "-Xexperimental", // SAM closures
    "-feature")
)

lazy val root = project.in( file(".") ).settings( publishArtifact := false ).aggregate(plugin, library).settings(commonSettings : _*)

lazy val plugin = project settings (scalaModuleOsgiSettings: _*) settings (
  name                   := "scala-escape-plugin",
  crossVersion           := CrossVersion.full, // because compiler api is not binary compatible
  libraryDependencies    += "org.scala-lang" % "scala-compiler" % scalaVersion.value,
  OsgiKeys.exportPackage := Seq(s"scala.tools.escape;version=${version.value}")
) settings (commonSettings : _*)

val pluginJar = packageTask in (plugin, Compile)

// TODO: the library project's test are really plugin tests, but we first need that jar
lazy val library = project settings (scalaModuleOsgiSettings: _*) settings (MimaPlugin.mimaDefaultSettings: _*) settings (
  name                       := "scala-escape-library",
  MimaKeys.previousArtifact  := Some(organization.value % s"${name.value}_2.11.0-RC1" % "1.0.0"),
  scalacOptions       ++= Seq(
    // add the plugin to the compiler
    s"-Xplugin:${pluginJar.value.getAbsolutePath}",
    // enable the plugin
    //"-P:escape:enable",
    // add plugin timestamp to compiler options to trigger recompile of
    // the library after editing the plugin. (Otherwise a 'clean' is needed.)
    s"-Jdummy=${pluginJar.value.lastModified}"),
  libraryDependencies ++= Seq(
    "org.scala-lang" % "scala-compiler"  % scalaVersion.value % "test",
    "junit"          % "junit"           % "4.11" % "test",
    "com.novocode"   % "junit-interface" % "0.10" % "test",
    //add scala-offheap
    "sh.den"         % "scala-offheap_2.11" % "0.1"),

  testOptions          += Tests.Argument(
    TestFrameworks.JUnit,
    s"-Dscala-escape-plugin.jar=${pluginJar.value.getAbsolutePath}"
  ),
  parallelExecution in Test := false,
  // run mima during tests
  /*test in Test := {
    MimaKeys.reportBinaryIssues.value
    (test in Test).value
  },*/
  OsgiKeys.exportPackage := Seq(s"scala.util.escape;version=${version.value}")
) settings (commonSettings : _*)