update versions

.

.gitignore

@@ -3,3 +3,6 @@
 *.log
 
 target/
+
+.dotty-ide-artifact
+.dotty-ide.json

build.sbt

@@ -1,4 +1,4 @@
-val dottyVersion = "0.10.0-RC1"
+val dottyVersion = "0.25.0-RC2"
 
 lazy val root = project
   .in(file("."))
@@ -9,8 +9,9 @@ lazy val root = project
     scalaVersion := dottyVersion,
 
     libraryDependencies ++= Seq(
-      "ch.epfl.lamp" % "dotty_0.10" % dottyVersion,
-      "ch.epfl.lamp" % "dotty_0.10" % dottyVersion % "test->runtime",
+      "ch.epfl.lamp" % "dotty_0.25" % dottyVersion,
+      "ch.epfl.lamp" % "dotty_0.25" % dottyVersion % "test->runtime",
+      "ch.epfl.lamp" %% "dotty-staging" % dottyVersion,
       "com.novocode" % "junit-interface" % "0.11" % "test"
     )
   )

project/build.properties

@@ -1 +1 @@
-sbt.version=1.2.3
+sbt.version=1.3.13

project/plugins.sbt

@@ -1 +1 @@
-addSbtPlugin("ch.epfl.lamp" % "sbt-dotty" % "0.2.4")
+addSbtPlugin("ch.epfl.lamp" % "sbt-dotty" % "0.4.1")

src/main/scala/Vectors.scala

@@ -1,43 +1,46 @@
 // Import Expr and some extension methods
 import scala.quoted._
+import scala.quoted.staging._
 import scala.tasty._
 
 object Vectors {
 
   // Needed to show quotes
-  implicit val toolbox: scala.quoted.Toolbox = scala.quoted.Toolbox.make
+  given Toolbox = Toolbox.make(getClass.getClassLoader)
 
   /** Compute the dot product of the vectors (represented as arrays)
    *  Returns (v1(0) * v2(0)) + (v1(1) * v2(1)) + ... + (v1(v1.length - 1) * v2(v2.length - 1))
    *  Or throws an exception if v1.length != v2.length
    *  Both arrays are assumed to be immutable.
    */
-  inline def dot(v1: => Array[Int], v2: => Array[Int]): Int = ~dotImpl('(v1), '(v2))(Tasty.macroContext)
+  inline def dot(v1: => Array[Int], v2: => Array[Int]): Int = ${dotImpl('{v1}, '{v2})}
 
   /** Generates code to compute the dot product.
    *  Will try to partially evaluate any statically available data.
    */
-  def dotImpl(v1: Expr[Array[Int]], v2: Expr[Array[Int]])(reflect: Tasty): Expr[Int] = {
-    import reflect._
+  def dotImpl(v1: Expr[Array[Int]], v2: Expr[Array[Int]])(using qctx: QuoteContext): Expr[Int] = {
+    import qctx.tasty.{_}
 
     object EmptyArray {
       def unapply(arg: Tree): Boolean = arg match {
-        case Term.Apply(Term.Apply(Term.TypeApply(Term.Select(Term.Ident("Array"), "apply", _), List(TypeTree.Synthetic())), List(Term.Typed(Term.Repeated(Nil), TypeTree.Synthetic()))), _) => true
-        case _ => false
+        case Apply(Apply(TypeApply(Select(Ident("Array"), "apply"),List(Inferred())),List(Typed(Repeated(Nil,Inferred()),Inferred()))),_) =>
+          true
+        case t => 
+          false
       }
     }
 
     // Useful methods
     // Use i.toExpr to lift an i:Int into an quoted.Expr[Int]
-    // Use q.toTasty to transform a q:quoted.Expr[_] to a Tasty.Tree
+    // Use q.unseal to transform a q:quoted.Expr[_] to a Tasty.Tree
     // Use tree.toExpr[Int] to transform a tree:Tasty.Tree to a quoted.Expr[Int]
     // Use q.show to show the code of a q:quoted.Expr[_]
-    // Use tree.show to show the extractors needed to pattern match a tree:Tasty.Tree
+    // Use tree.showExtractors to show the extractors needed to pattern match a tree:Tasty.Tree
 
-    val generatedCode = (v1.toTasty.underlyingArgument, v2.toTasty.underlyingArgument) match {
-      case (EmptyArray(), EmptyArray()) => '(0)
+    val generatedCode = (v1.unseal.underlyingArgument, v2.unseal.underlyingArgument) match {
+      case (EmptyArray(), EmptyArray()) => '{0}
       // TODO Exercise: optimize more cases
-      // case (EmptyArray(), _) => '()
+      // case (EmptyArray(), _) => '{0}
       // ...
       case (tv1, tv2) => 
         // Print the extractors of tv1 and tv2
@@ -61,10 +64,10 @@ object Vectors {
     generatedCode
   }
 
-  /** Staged code that computes the the dot product with a while loop */
-  def dynamicDot(v1: Expr[Array[Int]], v2: Expr[Array[Int]]): Expr[Int] = '{
-    val vv1 = ~v1
-    val vv2 = ~v2
+  /** Staged code that computes the dot product with a while loop */
+  def dynamicDot(v1: Expr[Array[Int]], v2: Expr[Array[Int]])(using qctx: QuoteContext): Expr[Int] = '{
+    val vv1 = $v1
+    val vv2 = $v2
     val len = vv1.length
     if (vv2.length != len)
       throw new Exception(s"Vectors must have the same sizes ($len, ${vv2.length}")

src/test/scala/VectorTests.scala

@@ -1,7 +1,7 @@
 import org.junit.Test
 import org.junit.Assert._
-
 import Vectors._
+import scala.language.implicitConversions
 
 class VectorTests {
 
@@ -10,7 +10,7 @@ class VectorTests {
     val empty: Array[Int] = Array()
     assertEquals(dot(empty, Array()), 0)
   }
-  
+
   @Test def zeroVector(): Unit = {
     assertEquals(dot(Array(1, 2, 3, 4, 5), Array(0, 0, 0, 0, 0)), 0)
     val zeros: Array[Int] = Array(0, 0, 0, 0, 0)
@@ -39,7 +39,6 @@ class VectorTests {
     assertEquals(dot(vec, Array(10, 20, 30, 40, 50)), 550)
   }
 
-
   @Test def mixedVector(): Unit = {
     val v1 = 1
     val z = 0