Initial support for Scala Native

Author: Antonio Alonso Dominguez

build.sbt

@@ -1,4 +1,5 @@
 import ScalaModulePlugin._
+import sbtcrossproject.{crossProject, CrossType}
 
 scalaVersionsByJvm in ThisBuild := {
   val v211 = "2.11.11"
@@ -14,10 +15,10 @@ scalaVersionsByJvm in ThisBuild := {
 }
 
 lazy val root = project.in(file("."))
-  .aggregate(`scala-parser-combinatorsJS`, `scala-parser-combinatorsJVM`)
+  .aggregate(`scala-parser-combinatorsJS`, `scala-parser-combinatorsJVM`, `scala-parser-combinatorsNative`)
   .settings(disablePublishing)
 
-lazy val `scala-parser-combinators` = crossProject.in(file(".")).
+lazy val `scala-parser-combinators` = crossProject(JSPlatform, JVMPlatform, NativePlatform).in(file(".")).
   settings(scalaModuleSettings: _*).
   settings(
     name := "scala-parser-combinators-root",
@@ -43,6 +44,10 @@ lazy val `scala-parser-combinators` = crossProject.in(file(".")).
   jsSettings(
     name := "scala-parser-combinators-js"
   ).
+  nativeSettings(
+    name := "scala-parser-combinators-native",
+    scalaVersion := "2.11.11"
+  ).
   settings(
     moduleName         := "scala-parser-combinators",
     version            := "1.0.7-SNAPSHOT"
@@ -65,3 +70,4 @@ lazy val `scala-parser-combinators` = crossProject.in(file(".")).
 
 lazy val `scala-parser-combinatorsJVM` = `scala-parser-combinators`.jvm
 lazy val `scala-parser-combinatorsJS` = `scala-parser-combinators`.js
+lazy val `scala-parser-combinatorsNative` = `scala-parser-combinators`.native

native/src/main/scala/scala/util/parsing/input/PositionCache.scala

@@ -0,0 +1,14 @@
+package scala.util.parsing.input
+
+import java.lang.CharSequence
+import java.util.{AbstractMap, Collections}
+
+private[input] trait PositionCache {
+  private[input] lazy val indexCache: java.util.Map[CharSequence,Array[Int]] = new AbstractMap[CharSequence, Array[Int]] {
+
+    override def entrySet() = Collections.emptySet()
+
+    // the /dev/null of Maps
+    override def put(ch: CharSequence, a: Array[Int]) = null
+  }
+}

project/plugins.sbt

@@ -1,3 +1,6 @@
 addSbtPlugin("org.scala-lang.modules" % "scala-module-plugin" % "1.0.8")
 
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.16")
+addSbtPlugin("org.scala-js"     % "sbt-scalajs"              % "0.6.16")
+addSbtPlugin("org.scala-native" % "sbt-crossproject"         % "0.2.0")
+addSbtPlugin("org.scala-native" % "sbt-scalajs-crossproject" % "0.2.0")
+addSbtPlugin("org.scala-native" % "sbt-scala-native"         % "0.2.1")