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Fix #7358: Add missing span to spliced tree #7361

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Merged
merged 1 commit into from
Oct 3, 2019
Merged

Fix #7358: Add missing span to spliced tree #7361

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/transform/ReifyQuotes.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -134,7 +134,7 @@ class ReifyQuotes extends MacroTransform {
private def addTags(expr: Tree)(implicit ctx: Context): Tree = {

def mkTagSymbolAndAssignType(spliced: TermRef): TypeDef = {
val splicedTree = tpd.ref(spliced)
val splicedTree = tpd.ref(spliced).withSpan(expr.span)
val rhs = transform(splicedTree.select(tpnme.splice))
val alias = ctx.typeAssigner.assignType(untpd.TypeBoundsTree(rhs, rhs), rhs, rhs)
val local = ctx.newSymbol(
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16 changes: 16 additions & 0 deletions tests/pos/i7358.scala
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@@ -0,0 +1,16 @@
package test

import scala.quoted._
import scala.compiletime._

inline def summonT[Tp <: Tuple] <: Tuple = inline erasedValue[Tp] match {
case _ : Unit => ()
case _ : (hd *: tl) => {
type H = hd
summonFrom {
case given _ : Type[H] => summon[Type[H]] *: summonT[tl]
}
}
}

def test[T : Type] = summonT[Tuple1[List[T]]]