WartRemover plugin implementation (#167)

2 files changed, 60 insertions, 0 deletions

diff --git a/plugins/wartremover/WartRemover.scala b/plugins/wartremover/WartRemover.scala
new file mode 100644
index 0000000..d5bbcd0
--- /dev/null
+++ b/plugins/wartremover/WartRemover.scala
@@ -0,0 +1,51 @@
+package cbt
+
+import org.wartremover.WartTraverser
+import java.io.File
+
+trait WartRemover extends BaseBuild {
+
+  override def scalacOptions =
+    super.scalacOptions ++ wartremoverScalacOptions
+
+  private[this] def wartremoverCompilerDependency: String =
+    MavenResolver(
+      context.cbtHasChanged,
+      context.paths.mavenCache,
+      mavenCentral).bindOne(
+      ScalaDependency("org.wartremover", "wartremover", "1.1.1")
+    ).jar.string
+
+  private[this] def wartremoverScalacOptions: Seq[String] =
+    Seq("-Xplugin:" ++ wartremoverCompilerDependency) ++
+    wartremoverErrorsScalacOptions ++
+    wartremoverWarningsScalacOptions ++
+    wartremoverExcludedScalacOptions ++
+    wartremoverClasspathsScalacOptions
+
+  private[this] def wartremoverErrorsScalacOptions: Seq[String] =
+    wartremoverErrors.distinct.map(w => s"-P:wartremover:traverser:${w.className}")
+
+  private[this] def wartremoverWarningsScalacOptions: Seq[String] =
+    wartremoverWarnings.distinct
+      .filterNot(wartremoverErrors contains _)
+      .map(w => s"-P:wartremover:only-warn-traverser:${w.className}")
+
+  private[this] def wartremoverExcludedScalacOptions: Seq[String] =
+    wartremoverExcluded.distinct.map(c => s"-P:wartremover:excluded:${c.getAbsolutePath}")
+  
+  private[this] def wartremoverClasspathsScalacOptions: Seq[String] =
+    wartremoverClasspaths.distinct.map(cp => s"-P:wartremover:cp:$cp")
+
+  /** List of Warts that will be reported as compilation errors. */
+  def wartremoverErrors: Seq[WartTraverser] = Seq.empty
+
+  /** List of Warts that will be reported as compilation warnings. */
+  def wartremoverWarnings: Seq[WartTraverser] = Seq.empty
+
+  /** List of files to be excluded from all checks. */
+  def wartremoverExcluded: Seq[File] = Seq.empty
+
+  /** List of classpaths for custom Warts. */
+  def wartremoverClasspaths: Seq[String] = Seq.empty
+}
diff --git a/plugins/wartremover/build/build.scala b/plugins/wartremover/build/build.scala
new file mode 100644
index 0000000..d62c571
--- /dev/null
+++ b/plugins/wartremover/build/build.scala
@@ -0,0 +1,9 @@
+import cbt._
+
+class Build(val context: Context) extends Plugin {
+  override def dependencies =
+    super.dependencies ++
+    Resolver( mavenCentral ).bind(
+      ScalaDependency("org.wartremover", "wartremover", "1.1.1")
+    )
+}