Print val for class parameters

Author: nicolasstucki

library/src/scala/tasty/util/ShowSourceCode.scala

@@ -625,6 +625,17 @@ class ShowSourceCode[T <: Tasty with Singleton](tasty0: T) extends Show[T](tasty
 
     def printArgDef(arg: ValDef): Unit = {
       val ValDef(name, tpt, rhs) = arg
+      arg.owner match {
+        case DefDef("<init>", _, _, _, _) =>
+          val ClassDef(_, _, _, _, body) = arg.owner.owner
+          body.collectFirst {
+            case vdef @ ValDef(`name`, _, _) if vdef.flags.isParamAccessor =>
+              if (!vdef.flags.isLocal && !vdef.flags.isCaseAcessor)
+                this += "val " // TODO `var`s
+          }
+        case _ =>
+      }
+
       this += name += ": "
       printTypeTree(tpt)
     }

tests/run/valueclasses-pavlov.decompiled

@@ -0,0 +1,46 @@
+/** Decompiled from out/runTestFromTasty/run/valueclasses-pavlov/Box1.class */
+final class Box1(val value: scala.Predef.String) extends scala.AnyVal() {
+  override def hashCode(): scala.Int = Box1.this.value.hashCode()
+  override def equals(x$0: scala.Any): scala.Boolean = x$0 match {
+    case x$0: Box1 @scala.unchecked() =>
+      Box1.this.value.==(x$0.value)
+    case _ =>
+      false
+  }
+}
+object Box1 extends scala.AnyRef()
+/** Decompiled from out/runTestFromTasty/run/valueclasses-pavlov/Box2.class */
+final class Box2(val value: scala.Predef.String) extends scala.AnyVal() with Foo {
+  def box1(x: Box1): scala.Predef.String = "box1: ok"
+  def box2(x: Box2): scala.Predef.String = "box2: ok"
+  override def hashCode(): scala.Int = Box2.this.value.hashCode()
+  override def equals(x$0: scala.Any): scala.Boolean = x$0 match {
+    case x$0: Box2 @scala.unchecked() =>
+      Box2.this.value.==(x$0.value)
+    case _ =>
+      false
+  }
+}
+object Box2 extends scala.AnyRef()
+/** Decompiled from out/runTestFromTasty/run/valueclasses-pavlov/C.class */
+class C(x: scala.Predef.String) {
+  def this() = {
+    this("")
+    ()
+  }
+}
+/** Decompiled from out/runTestFromTasty/run/valueclasses-pavlov/Foo.class */
+trait Foo() extends scala.Any {
+  def box1(x: Box1): scala.Predef.String
+  def box2(x: Box2): scala.Predef.String
+}
+/** Decompiled from out/runTestFromTasty/run/valueclasses-pavlov/Test.class */
+object Test {
+  def main(args: scala.Array[scala.Predef.String]): scala.Unit = {
+    val b1: Box1 = new Box1("")
+    val b2: Box2 = new Box2("")
+    val f: Foo = b2
+    scala.Predef.println(f.box1(b1))
+    scala.Predef.println(f.box2(b2))
+  }
+}