Add position to error message

odersky · odersky · commit c259d1bad1c1 · 2017-06-22T13:07:26.000+02:00
diff --git a/compiler/src/dotty/tools/dotc/typer/Checking.scala b/compiler/src/dotty/tools/dotc/typer/Checking.scala
@@ -658,7 +658,7 @@ trait Checking {
       case parent: ClassSymbol =>
         if (parent is Case)
           ctx.error(ex"""case $caseCls has case ancestor $parent, but case-to-case inheritance is prohibited.
-                        |To overcome this limitation, use extractors to pattern match on non-leaf nodes.""")
+                        |To overcome this limitation, use extractors to pattern match on non-leaf nodes.""", pos)
         else checkCaseInheritance(parent.superClass, caseCls, pos)
       case _ =>
     }

Original file line number	Diff line number	Diff line change
`@@ -658,7 +658,7 @@ trait Checking {`
`658`	`658`	`case parent: ClassSymbol =>`
`659`	`659`	`if (parent is Case)`
`660`	`660`	`ctx.error(ex"""case $caseCls has case ancestor $parent, but case-to-case inheritance is prohibited.`
`661`		`- \|To overcome this limitation, use extractors to pattern match on non-leaf nodes.""")`
	`661`	`+ \|To overcome this limitation, use extractors to pattern match on non-leaf nodes.""", pos)`
`662`	`662`	`else checkCaseInheritance(parent.superClass, caseCls, pos)`
`663`	`663`	`case _ =>`
`664`	`664`	`}`