Add support for Scala Native 0.4

.circleci/config.yml

@@ -13,6 +13,9 @@ executors:
   scala_jdk16_executor:
     docker:
       - image: circleci/openjdk:16-buster
+  scala_native_executor:
+    machine:
+      image: ubuntu-1604:202004-01
 
 commands:
   sbt_cmd:
@@ -76,6 +79,33 @@ jobs:
       - sbt_cmd:
           scala_version: << parameters.scala_version >>
           sbt_tasks: xmlJS/update xmlJS/compile xmlJS/test:compile xmlJS/test xmlJS/doc xmlJS/package
+  scalanative_job:
+    executor: scala_native_executor
+    parameters:
+      scala_version:
+        description: "Scala version"
+        default: 2.12.13
+        type: string
+      scalanative_version:
+        description: "Scala Native version"
+        default: 0.4.0
+        type: string
+    environment:
+      SCALANATIVE_VERSION: << parameters.scalanative_version >>
+    steps:
+      - checkout
+      - run:
+          name: Install dependencies
+          command: |
+            echo "deb https://dl.bintray.com/sbt/debian /" | sudo tee -a /etc/apt/sources.list.d/sbt.list
+            curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | sudo apt-key add
+            sudo apt-get update
+            sudo apt-get install -y sbt clang-8 openjdk-8-jdk
+            sudo ln -s /usr/lib/llvm-8/bin/clang /usr/bin/clang
+            sudo ln -s /usr/lib/llvm-8/bin/clang++ /usr/bin/clang++
+      - sbt_cmd:
+          scala_version: << parameters.scala_version >>
+          sbt_tasks: xmlNative/update xmlNative/compile xmlNative/test:compile xmlNative/test xmlNative/doc xmlNative/package
 
 workflows:
   build:
@@ -140,3 +170,11 @@ workflows:
           name: sjs1.0_2.13
           scala_version: 2.13.4
           scalajs_version: 1.4.0
+      - scalanative_job:
+          name: native0.4_2.12
+          scala_version: 2.12.13
+          scalanative_version: 0.4.0
+      - scalanative_job:
+          name: native0.4_2.13
+          scala_version: 2.13.4
+          scalanative_version: 0.4.0

.scalafmt.conf

@@ -0,0 +1 @@
+version = "2.7.4"

.travis.yml

@@ -11,10 +11,18 @@ scala:
   - 2.13.4
 
 env:
-  - SCALAJS_VERSION=         ADOPTOPENJDK=8
-  - SCALAJS_VERSION=1.4.0    ADOPTOPENJDK=8
-  - SCALAJS_VERSION=         ADOPTOPENJDK=11
-  - SCALAJS_VERSION=         ADOPTOPENJDK=15
+  - SCALAJS_VERSION=          ADOPTOPENJDK=8
+  - SCALAJS_VERSION=1.4.0     ADOPTOPENJDK=8
+  - SCALANATIVE_VERSION=0.4.0 ADOPTOPENJDK=8
+  - SCALAJS_VERSION=          ADOPTOPENJDK=11
+  - SCALAJS_VERSION=          ADOPTOPENJDK=15
+
+jobs:
+  exclude:
+    - scala: 3.0.0-M2
+      env: SCALANATIVE_VERSION=0.4.0 ADOPTOPENJDK=8
+    - scala: 3.0.0-M3
+      env: SCALANATIVE_VERSION=0.4.0 ADOPTOPENJDK=8
 
 install:
   - git fetch --tags # get all tags for sbt-dynver

build.sbt

@@ -18,7 +18,7 @@ lazy val configSettings: Seq[Setting[_]] = Seq(
   }
 )
 
-lazy val xml = crossProject(JSPlatform, JVMPlatform)
+lazy val xml = crossProject(JSPlatform, JVMPlatform, NativePlatform)
   .withoutSuffixFor(JVMPlatform)
   .crossType(CrossType.Full)
   .in(file("."))
@@ -163,3 +163,27 @@ lazy val xml = crossProject(JSPlatform, JVMPlatform)
     Test / fork := false
   )
   .jsConfigure(_.enablePlugins(ScalaJSJUnitPlugin))
+  .nativeSettings(
+    scalaModuleMimaPreviousVersion := None, // No such release yet
+    // Scala Native cannot run forked tests
+    Test / fork := false,
+    libraryDependencies += "org.scala-native" %%% "junit-runtime" % nativeVersion % Test,
+    Test / scalacOptions += {
+      val log = streams.value.log
+      val retrieveDir = baseDirectory.value / "scala-native-junit-plugin-jars"
+      val lm = dependencyResolution.value
+      val cp = lm
+        .retrieve(
+          "org.scala-native" % s"junit-plugin_${scalaVersion.value}" % nativeVersion,
+          scalaModuleInfo = None,
+          retrieveDir,
+          log
+        )
+        .fold(w => throw w.resolveException, identity(_))
+      val jarPath = cp
+        .find(_.toString.contains("junit-plugin"))
+        .getOrElse(throw new Exception("Can't find Scala Native junit-plugin jar"))
+      s"-Xplugin:$jarPath"
+    },
+    Test / testOptions += Tests.Argument(TestFrameworks.JUnit, "-a", "-s", "-v")
+  )

build.sh

@@ -25,8 +25,10 @@ isReleaseJob() {
   fi
 }
 
-if [[ "$SCALAJS_VERSION" == "" ]]; then
+if [[ "$SCALAJS_VERSION" == "" ]] && [[ "$SCALANATIVE_VERSION" == "" ]]; then
   projectPrefix="xml/"
+elif [[ "$SCALAJS_VERSION" == "" ]]; then
+  projectPrefix="xmlNative/"
 else
   projectPrefix="xmlJS/"
 fi

project/plugins.sbt

@@ -1,7 +1,12 @@
 val scalaJSVersion =
   Option(System.getenv("SCALAJS_VERSION")).filter(_.nonEmpty).getOrElse("1.4.0")
 
+val scalaNativeVersion =
+  Option(System.getenv("SCALANATIVE_VERSION")).filter(_.nonEmpty).getOrElse("0.4.0")
+
 addSbtPlugin("org.scala-lang.modules" % "sbt-scala-module" % "2.2.3")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0")
+addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.0.0")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % scalaNativeVersion)
 addSbtPlugin("ch.epfl.lamp" % "sbt-dotty" % "0.5.2")