works, with a compiler-plugin based architecture supporting incremental compilation

1 files changed, 39 insertions, 15 deletions

diff --git a/build.sbt b/build.sbt
index 4ef82fa..cb6b97d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,27 +1,35 @@
 import scala.scalajs.sbtplugin.ScalaJSPlugin._
 import ScalaJSKeys._
 
-lazy val api = project.in(file("api"))
+lazy val scalatexApi = project.in(file("scalatexApi"))
                        .settings(
-    libraryDependencies ++= Seq(
-      "com.lihaoyi" %% "utest" % "0.2.4",
-      "com.scalatags" %% "scalatags" % "0.4.2",
-      "org.scala-lang" % "scala-reflect" % scalaVersion.value,
-      "com.lihaoyi" %% "acyclic" % "0.1.2" % "provided",
-      compilerPlugin("org.scalamacros" % s"paradise" % "2.0.0" cross CrossVersion.full)
-    ) ++ (
-      if (scalaVersion.value startsWith "2.11.") Nil
-      else Seq("org.scalamacros" %% s"quasiquotes" % "2.0.0")
-    ),
-    addCompilerPlugin("com.lihaoyi" %% "acyclic" % "0.1.2"),
-    testFrameworks += new TestFramework("utest.runner.JvmFramework")
-  )
+  scalaVersion := "2.11.2",
+  libraryDependencies ++= Seq(
+    "com.lihaoyi" %% "utest" % "0.2.4",
+    "com.scalatags" %% "scalatags" % "0.4.2",
+    "org.scala-lang" % "scala-reflect" % scalaVersion.value,
+    "com.lihaoyi" %% "acyclic" % "0.1.2" % "provided"
+  ),
+  addCompilerPlugin("com.lihaoyi" %% "acyclic" % "0.1.2"),
+  testFrameworks += new TestFramework("utest.runner.JvmFramework")
+)
+
+lazy val scalatexPlugin = Project(
+  id   = "scalatexPlugin",
+  base = file("scalatexPlugin"),
+  dependencies = Seq(scalatexApi)
+) settings (
+  scalaVersion := "2.11.2",
+  libraryDependencies += "org.scala-lang" % "scala-compiler" % scalaVersion.value,
+  publishArtifact in Compile := false
+)
 
 lazy val book = Project(
   id = "book",
   base = file("book"),
-  dependencies = Seq(api)
+  dependencies = Seq(scalatexApi)
 ).settings(
+  scalaVersion := "2.11.2",
   libraryDependencies ++= Seq(
     "org.webjars" % "highlightjs" % "8.2-1",
     "org.scala-lang" % "scala-reflect" % scalaVersion.value,
@@ -31,6 +39,22 @@ lazy val book = Project(
   (resources in Compile) += {
     (fastOptJS in (examples, Compile)).value
     (artifactPath in (examples, Compile, fastOptJS)).value
+  },
+  scalacOptions in Compile ++= {
+    val jar = (Keys.`package` in (scalatexPlugin, Compile)).value
+    val addPlugin = "-Xplugin:" + jar.getAbsolutePath
+    // add plugin timestamp to compiler options to trigger recompile of
+    // main after editing the plugin. (Otherwise a 'clean' is needed.)
+    val dummy = "-Jdummy=" + jar.lastModified
+    val options = "-P:scalatex-options:" + sourceDirectory.value / "scalatex"
+    Seq(addPlugin, dummy)
+  },
+  watchSources ++= {
+    ((sourceDirectory in Compile).value / "scalatex" ** "*.scalatex").get
+  },
+  (watchSources in Test) ++= {
+    ((sourceDirectory in Test).value / "scalatex" ** "*.scalatex").get
   }
 )
+
 lazy val examples = project.in(file("examples"))
\ No newline at end of file