Adapt printing of imports to new scheme

Author: odersky

compiler/src/dotty/tools/dotc/printing/RefinedPrinter.scala

@@ -340,9 +340,13 @@ class RefinedPrinter(_ctx: Context) extends PlainPrinter(_ctx) {
 
       def selectorText(sel: untpd.ImportSelector): Text =
         val id: Text =
-          if sel.isGiven then keywordText("given") else toText(sel.imported.name)
+          if sel.isGiven then keywordText("given")
+          else sel.imported.name match
+            case nme.WILDCARD => "*"
+            case nme.raw.STAR => "`*`"
+            case name => toText(name)
         val rename: Text =
-          if sel.renamed.isEmpty then "" else Str(" => ") ~ toText(sel.renamed)
+          if sel.renamed.isEmpty then "" else Str(" as ") ~ toText(sel.renamed)
         val bound: Text =
           if sel.bound.isEmpty then ""
           else if sel.isGiven then Str(" ") ~ toText(sel.bound)

tests/neg/renaming-imports.scala

@@ -1,6 +1,14 @@
+object a:
+  def * = 1
+  def other = 2
+
 def test =
   object foo:
     var x = 0
   import foo as f  // error
   f.x
 
+  import a.`*`
+  println(*)      // ok
+  println(other)  // error
+end test