Use macro annotation to load native library

This also removes the need for third projects to depend on a "loader library".

4 files changed, 94 insertions, 67 deletions

diff --git a/project/Build.scala b/project/Build.scala
deleted file mode 100644
index 377730d..0000000
--- a/project/Build.scala
+++ /dev/null
@@ -1,64 +0,0 @@
-import sbt._
-import sbt.Keys._
-
-import bintray.BintrayPlugin.autoImport._
-import sbtdoge.CrossPerProjectPlugin
-
-object JniBuild extends Build {
-
-  val scalaVersions = List("2.11.8", "2.12.0-M4", "2.12.0-M3", "2.10.6")
-
-  val commonSettings = Seq(
-    version := "0.4.5-SNAPSHOT",
-    organization := "ch.jodersky",
-    licenses := Seq(("BSD New", url("http://opensource.org/licenses/BSD-3-Clause"))),
-    scalacOptions ++= Seq("-deprecation", "-feature")
-  )
-
-  lazy val root = Project(
-    id = "root",
-    base = file("."),
-    aggregate = Seq(
-      library, plugin
-    ),
-    settings = Seq(
-      publish := {},
-      publishLocal := {},
-      publishTo := Some(Resolver.file("Unused transient repository", target.value / "unusedrepo")) // make sbt-pgp happy
-    )
-  ).enablePlugins(CrossPerProjectPlugin)
-
-  lazy val library = Project(
-    id = "jni-library",
-    base = file("jni-library"),
-    settings = commonSettings ++ Seq(
-      scalaVersion := scalaVersions.head,
-      crossScalaVersions := scalaVersions
-    )
-  )
-
-  lazy val plugin = Project(
-    id = "sbt-jni",
-    base = file("jni-plugin"),
-    dependencies = Seq(library),
-    settings = commonSettings ++ Seq(
-      sbtPlugin := true,
-      sourceGenerators in Compile += Def.task{
-        val src = s"""|package ch.jodersky.sbt.jni
-                      |
-                      |private object Version {
-                      |  final val PluginVersion = "${version.value}"
-                      |}
-                      |""".stripMargin
-        val file = sourceManaged.value / "ch" / "jodersky" / "sbt" / "jni" / "Version.scala"
-        IO.write(file, src)
-        Seq(file)
-      }.taskValue,
-      libraryDependencies += "org.ow2.asm" % "asm" % "5.0.4",
-      publishMavenStyle := false,
-      bintrayRepository := "sbt-plugins",
-      bintrayOrganization in bintray := None
-    )
-  )
-
-}
diff --git a/project/SbtJniBuild.scala b/project/SbtJniBuild.scala
new file mode 100644
index 0000000..3961eda
--- /dev/null
+++ b/project/SbtJniBuild.scala
@@ -0,0 +1,86 @@
+import sbt._
+import sbt.Keys._
+import sbt.ScriptedPlugin._
+
+import sbtdoge.CrossPerProjectPlugin
+
+import scalariform.formatter.preferences._
+import com.typesafe.sbt.SbtScalariform
+import com.typesafe.sbt.SbtScalariform.ScalariformKeys
+
+object SbtJniBuild  extends Build {
+
+  val scalaVersions: Seq[String] = List("2.11.8", "2.12.0-M4")
+  val macrosParadiseVersion = "2.1.0"
+
+  val commonSettings = Seq(
+    version := "1.0.0-SNAPSHOT",
+    organization := "ch.jodersky",
+    licenses := Seq(("BSD New", url("http://opensource.org/licenses/BSD-3-Clause"))),
+    scalacOptions ++= Seq("-deprecation", "-feature"),
+    resolvers += Resolver.sonatypeRepo("releases"),
+    ScalariformKeys.preferences := ScalariformKeys.preferences.value
+      .setPreference(DoubleIndentClassDeclaration, true)
+      .setPreference(DanglingCloseParenthesis, Preserve)
+      .setPreference(MultilineScaladocCommentsStartOnFirstLine, true)
+      .setPreference(PlaceScaladocAsterisksBeneathSecondAsterisk, true)
+  )
+
+  lazy val root = Project(
+    id = "root",
+    base = file("."),
+    aggregate = Seq(
+      macros, plugin
+    ),
+    settings = commonSettings ++ Seq(
+      publish := {},
+      publishLocal := {},
+      // make sbt-pgp happy
+      publishTo := Some(Resolver.file("Unused transient repository", target.value / "unusedrepo"))
+    ) ++ addCommandAlias("test-plugin", ";+sbt-jni-macros/publishLocal;scripted")
+  ).enablePlugins(CrossPerProjectPlugin)
+
+  lazy val macros = Project(
+    id = "sbt-jni-macros",
+    base = file("macros"),
+    settings = commonSettings ++ Seq(
+      scalaVersion := scalaVersions.head,
+      crossScalaVersions := scalaVersions,
+      addCompilerPlugin("org.scalamacros" % "paradise" % macrosParadiseVersion cross CrossVersion.full),
+      libraryDependencies += "org.scala-lang" % "scala-reflect" % scalaVersion.value
+    )
+  )
+
+  lazy val plugin = Project(
+    id = "sbt-jni",
+    base = file("plugin"),
+    settings = commonSettings ++ scriptedSettings ++ Seq(
+      sbtPlugin := true,
+      publishMavenStyle := false,
+      scalaVersion := "2.10.6",
+      crossScalaVersions := Seq(scalaVersion.value),
+
+      libraryDependencies += "org.ow2.asm" % "asm" % "5.0.4",
+
+      // make project settings available to source
+      sourceGenerators in Compile += Def.task{
+        val src = s"""|/* Generated by sbt */
+                      |package ch.jodersky.sbt.jni
+                      |
+                      |private[jni] object ProjectVersion {
+                      |  final val MacrosParadise = "${macrosParadiseVersion}"
+                      |  final val Macros = "${version.value}"
+                      |}
+                      |""".stripMargin
+        val file = sourceManaged.value / "ch" / "jodersky" / "sbt" / "jni" / "ProjectVersion.scala"
+        IO.write(file, src)
+        Seq(file)
+      }.taskValue,
+      scriptedLaunchOpts := Seq(
+        "-Dplugin.version=" + version.value,
+        "-XX:MaxPermSize=256m", "-Xmx2g", "-Xss2m"
+      )
+    )
+  )
+
+}
diff --git a/project/build.properties b/project/build.properties
index 817bc38..43b8278 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.9
+sbt.version=0.13.11
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 391c9ab..19a16f4 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,3 +1,8 @@
-addSbtPlugin("me.lessis" % "bintray-sbt" % "0.3.0")
-
+// cross-compile subprojects with differing scala versions
 addSbtPlugin("com.eed3si9n" % "sbt-doge" % "0.1.5")
+
+// testing for sbt plugins
+libraryDependencies += "org.scala-sbt" % "scripted-plugin" % sbtVersion.value
+
+// formatting
+addSbtPlugin("org.scalariform" % "sbt-scalariform" % "1.6.0")