enable -Xlint

Author: SethTisue

build.sbt

@@ -43,7 +43,7 @@ lazy val `genjavadoc-plugin` = (project in file("plugin"))
     },
     crossVersion := CrossVersion.full,
     exportJars := true,
-    scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked", "-Xfatal-warnings")
+    scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked", "-Xlint", "-Xfatal-warnings")
   )
 
 lazy val defaults = Seq(

plugin/src/main/scala/com/typesafe/genjavadoc/AST.scala

@@ -1,6 +1,5 @@
 package com.typesafe.genjavadoc
 
-import scala.reflect.internal.Flags
 import scala.annotation.tailrec
 
 trait AST { this: TransformCake ⇒

plugin/src/main/scala/com/typesafe/genjavadoc/BasicTransform.scala

@@ -1,7 +1,6 @@
 package com.typesafe.genjavadoc
 
 import scala.reflect.internal.Flags
-import java.util.regex.Pattern
 
 trait BasicTransform { this: TransformCake ⇒
   import global._

plugin/src/main/scala/com/typesafe/genjavadoc/Plugin.scala

@@ -2,13 +2,11 @@ package com.typesafe.genjavadoc
 
 import scala.tools.nsc
 import nsc.Global
-import nsc.Phase
 import nsc.plugins.Plugin
 import nsc.plugins.PluginComponent
-import nsc.transform.{ Transform, TypingTransformers }
+import nsc.transform.Transform
 import java.io.File
 import java.util.Properties
-import java.io.StringReader
 
 object GenJavaDocPlugin {
 
@@ -26,7 +24,6 @@ object GenJavaDocPlugin {
 }
 
 class GenJavaDocPlugin(val global: Global) extends Plugin {
-  import global._
   import GenJavaDocPlugin._
 
   val name = "genjavadoc"
@@ -53,7 +50,6 @@ class GenJavaDocPlugin(val global: Global) extends Plugin {
   private object MyComponent extends PluginComponent with Transform {
 
     import global._
-    import global.definitions._
 
     type GT = GenJavaDocPlugin.this.global.type
 

plugin/src/main/scala/com/typesafe/genjavadoc/TransformCake.scala

@@ -1,7 +1,6 @@
 package com.typesafe.genjavadoc
 
 import scala.tools.nsc.Global
-import scala.tools.nsc.transform.Transform
 
 trait TransformCake extends JavaSig with Output with Comments with BasicTransform with AST {
 

plugin/src/test/scala/com/typesafe/genjavadoc/SignatureSpec.scala

@@ -3,7 +3,6 @@ package com.typesafe.genjavadoc
 import org.scalatest.{Matchers, WordSpec}
 import org.scalatest.matchers.{MatchResult, Matcher}
 import java.net.URLClassLoader
-import java.io.File
 import java.lang.reflect.Modifier
 
 import util._
@@ -135,7 +134,6 @@ class SignatureSpec extends WordSpec with Matchers {
       }
 
       def getMethods(c: Class[_], filter: Boolean): Set[String] = {
-        import language.postfixOps
         c.getDeclaredMethods.filterNot(x ⇒ filter && (defaultFilteredStrings.exists { s => x.getName.contains(s) }
           || javaKeywords.contains(x.getName)
           || x.getName == "$init$" // These synthetic methods show up in 2.12.0-M4+ even though they are not in the generated Java sources
@@ -148,7 +146,6 @@ class SignatureSpec extends WordSpec with Matchers {
       }
 
       def getClasses(c: Class[_], filter: Boolean): Map[String, Class[_]] = {
-        import language.postfixOps
         c.getDeclaredClasses.collect {
           case x if (!filter || !(x.getName contains "anon")) => x.getName.replaceAll(exception, replacemnt) -> x
         }.toMap