chore: 🤖 Scala 3 - Get rid of Manifest

Author: gaeljw

build.sbt

@@ -88,14 +88,33 @@ lazy val cucumberScala = (projectMatrix in file("cucumber-scala"))
       CrossVersion.partialVersion(scalaVersion.value) match {
         case Some((2, n)) if n <= 12 =>
           List("org.scala-lang.modules" %% "scala-collection-compat" % "2.4.2")
+        case Some((3, 0)) =>
+          List("io.github.gaeljw" %% "typetrees" % "0.2.0")
         case _ => Nil
       }
     },
     unmanagedSourceDirectories in Compile ++= {
       val sourceDir = (sourceDirectory in Compile).value
       CrossVersion.partialVersion(scalaVersion.value) match {
-        case Some((2, n)) if n <= 11 => Seq(sourceDir / "scala-2.11")
-        case _                       => Seq()
+        case Some((2, n)) if n <= 11 =>
+          Seq(sourceDir / "scala-2", sourceDir / "scala-2.11")
+        case Some((2, n)) if n > 11 =>
+          Seq(sourceDir / "scala-2")
+        case Some((3, 0)) =>
+          Seq(sourceDir / "scala-3")
+        case _ =>
+          Seq()
+      }
+    },
+    unmanagedSourceDirectories in Test ++= {
+      val testSourceDir = (sourceDirectory in Test).value
+      CrossVersion.partialVersion(scalaVersion.value) match {
+        case Some((2, _)) =>
+          Seq(testSourceDir / "scala-2")
+        case Some((3, 0)) =>
+          Seq(testSourceDir / "scala-3")
+        case _ =>
+          Seq()
       }
     },
     // Generate I18n traits

cucumber-scala/src/main/codegen/gen.scala

@@ -1,6 +1,6 @@
 
 /*
- * Generates the evil looking apply methods in ScalaDsl#StepBody for Function1 to Function22
+ * Generates the evil looking apply methods in StepDsl#StepBody for Function1 to Function22
  */
 for (i <- 1 to 22) {
   val ts = (1 to i).map("T".+).mkString(", ")
@@ -15,6 +15,29 @@ for (i <- 1 to 22) {
   println(p1 + p2 + ": Unit = { " + register + pf + otherwise + closeRegister + "\n")
 }
 
+/*
+ * Generates the evil looking apply methods in StepDsl#StepBody for Function1 to Function22
+ * Scala 3
+ */
+for (i <- 1 to 22) {
+  val ts = (1 to i).map("T".+).mkString(", ")
+  val tagsDef = (1 to i).map(n => s"val t$n: TypeTreeTag = typeTreeTag[T$n]").mkString("\n")
+  val tagsParam = (1 to i).map(n => s"t$n").mkString(", ")
+  val listParams = (1 to i).map("a" + _ + ":AnyRef").mkString(", ")
+  val pf =  (1 to i).map(n => "a" + n + ".asInstanceOf[T" + n + "]").mkString(",\n        ")
+
+  println(s"""
+    |inline def apply[$ts](f: ($ts) => Any): Unit = {
+    |  $tagsDef
+    |  register($tagsParam) {
+    |    case List($listParams) =>
+    |      f($pf)
+    |    case _ =>
+    |      throw new IncorrectStepDefinitionException()
+    |  }
+    |}""".stripMargin)
+}
+
 /*
  * Generates the apply methods in ParameterTypeDsl for Function1 to Function22
  */

cucumber-scala/src/main/scala/io/cucumber/scala/ScalaTypeHelper.scala renamed to cucumber-scala/src/main/scala-2/io/cucumber/scala/ScalaTypeHelper.scala

@@ -0,0 +1,27 @@
+package io.cucumber.scala
+
+import io.github.gaeljw.typetrees.TypeTreeTag
+import java.lang.reflect.{ParameterizedType, Type}
+
+object ScalaTypeHelper {
+
+  def asJavaType(tag: TypeTreeTag): Type = {
+    if (tag.args.isEmpty) {
+      tag.self.runtimeClass
+    } else {
+      new ScalaParameterizedType(tag)
+    }
+  }
+
+}
+
+class ScalaParameterizedType(tag: TypeTreeTag) extends ParameterizedType {
+
+  override def getActualTypeArguments: Array[Type] =
+    tag.args.map(ScalaTypeHelper.asJavaType).toArray
+
+  override def getRawType: Type = tag.self.runtimeClass
+
+  override def getOwnerType: Type = null
+
+}