Make 'namePos' return a point position if name is 'nme.ERROR'

allanrenucci · allanrenucci · commit e5fc2be4db37 · 2018-05-21T22:13:26.000+03:00
'namePos' used to return nonsensical position when the tree was
malformed (e.g. "case class").
diff --git a/compiler/src/dotty/tools/dotc/ast/Trees.scala b/compiler/src/dotty/tools/dotc/ast/Trees.scala
@@ -338,7 +338,7 @@ object Trees {
      */
     def namePos =
       if (pos.exists)
-        if (rawMods.is(Synthetic)) Position(pos.point, pos.point)
+        if (rawMods.is(Synthetic) || name.toTermName == nme.ERROR) Position(pos.point, pos.point)
         else Position(pos.point, pos.point + name.stripModuleClassSuffix.lastPart.length, pos.point)
       else pos
   }

Original file line number	Diff line number	Diff line change
`@@ -338,7 +338,7 @@ object Trees {`
`338`	`338`	`*/`
`339`	`339`	`def namePos =`
`340`	`340`	`if (pos.exists)`
`341`		`- if (rawMods.is(Synthetic)) Position(pos.point, pos.point)`
	`341`	`+ if (rawMods.is(Synthetic) \|\| name.toTermName == nme.ERROR) Position(pos.point, pos.point)`
`342`	`342`	`else Position(pos.point, pos.point + name.stripModuleClassSuffix.lastPart.length, pos.point)`
`343`	`343`	`else pos`
`344`	`344`	`}`