Tweak diagndostic message

odersky · odersky · commit 70e8f5c29b28 · 2017-09-20T10:52:51.000+02:00
diff --git a/compiler/src/dotty/tools/dotc/core/tasty/TreePickler.scala b/compiler/src/dotty/tools/dotc/core/tasty/TreePickler.scala
@@ -581,7 +581,8 @@ class TreePickler(pickler: TastyPickler) {
 
   def pickle(trees: List[Tree])(implicit ctx: Context) = {
     trees.foreach(tree => if (!tree.isEmpty) pickleTree(tree))
-    assert(forwardSymRefs.isEmpty, i"unresolved symbols: ${forwardSymRefs.keySet.toList}%, % when pickling ${ctx.source}")
+    def missing = forwardSymRefs.keySet.toList.map(_.showLocated)
+    assert(forwardSymRefs.isEmpty, i"unresolved symbols: $missing%, % when pickling ${ctx.source}")
   }
 
   def compactify() = {

Original file line number	Diff line number	Diff line change
`@@ -581,7 +581,8 @@ class TreePickler(pickler: TastyPickler) {`
`581`	`581`
`582`	`582`	`def pickle(trees: List[Tree])(implicit ctx: Context) = {`
`583`	`583`	`trees.foreach(tree => if (!tree.isEmpty) pickleTree(tree))`
`584`		`- assert(forwardSymRefs.isEmpty, i"unresolved symbols: ${forwardSymRefs.keySet.toList}%, % when pickling ${ctx.source}")`
	`584`	`+ def missing = forwardSymRefs.keySet.toList.map(_.showLocated)`
	`585`	`+ assert(forwardSymRefs.isEmpty, i"unresolved symbols: $missing%, % when pickling ${ctx.source}")`
`585`	`586`	`}`
`586`	`587`
`587`	`588`	`def compactify() = {`