Add missing span in QuoteMatcher (#18178)

Fixes #18155
Fixes #17610

Author: nicolasstucki

compiler/src/scala/quoted/runtime/impl/QuoteMatcher.scala

@@ -139,7 +139,9 @@ class QuoteMatcher(debug: Boolean) {
         // After matching and doing all subtype checks, we have to approximate all the type bindings
         // that we have found, seal them in a quoted.Type and add them to the result
         val typeHoleApproximations = typeHoles.map(typeHoleApproximation)
-        val matchedTypes = typeHoleApproximations.map(tpe => new TypeImpl(TypeTree(tpe), spliceScope))
+        val matchedTypes = typeHoleApproximations.map { tpe =>
+          new TypeImpl(TypeTree(tpe).withSpan(scrutinee.span), spliceScope)
+        }
         val matchedExprs =
           val typeHoleMap: Type => Type =
             if typeHoles.isEmpty then identity

tests/pos-macros/i17610/Macros.scala

@@ -0,0 +1,34 @@
+// Macros.scala
+import Main._
+import scala.quoted.*
+
+object Macros {
+  inline def apply(): ProviderProcessor =
+      ${ Macros.processorExpr }
+
+  def processorExpr[I: Type](using q: Quotes): Expr[ProviderProcessor] = '{
+    new ProviderProcessor {
+      override def apply(simple: Simple): MyF[Int] =
+        ${ Macros.methodProcessorImpl('simple) }
+    }
+  }
+
+  def methodProcessorImpl[I: Type](using q: Quotes)(service: Expr[Simple]): Expr[MyF[Int]] = {
+    import q.reflect._
+
+    val returnType = TypeRepr.of[Int]
+    returnType.asType match {
+      case '[rt] =>
+        '{
+          ${
+            import quotes.reflect._
+            TypeApply(
+              Select.unique('{ ???.asInstanceOf[Codec] }.asTerm, "apply"),
+              List(TypeTree.of[rt]) // generates the error, directly using Int instead of rt makes it disappear
+            ).asExpr
+          }
+          ???
+        }
+    }
+  }
+}

tests/pos-macros/i17610/Test.scala

@@ -0,0 +1,20 @@
+// Main.scala
+object Main {
+  type MyF[A]
+
+  trait ProviderProcessor {
+    def apply(simple: Simple): MyF[Int]
+  }
+
+  trait Codec {
+    def apply[A]: MyF[A]
+  }
+
+  trait Simple {
+    def a0: Int
+  }
+
+  def test(): Unit = {
+    val p= Macros()
+  }
+}

tests/pos-macros/i18155/Macro_1.scala

@@ -0,0 +1,15 @@
+import scala.quoted.*
+
+object Macro:
+  transparent inline def foo: Any = ${ fooImpl }
+
+  def fooImpl(using Quotes): Expr[Any] =
+    import quotes.reflect.*
+    '{
+        val xxx = ${
+          Type.of[Int] match
+            case '[tpe] =>
+              Typed(Expr(1).asTerm, TypeTree.of[tpe]).asExpr
+        }
+        xxx
+    }

tests/pos-macros/i18155/Test_2.scala

@@ -0,0 +1,2 @@
+@main def run() =
+  println(Macro.foo)