diff options
Diffstat (limited to 'src/library')
| -rw-r--r-- | src/library/scala/reflect/api/Trees.scala | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/library/scala/reflect/api/Trees.scala b/src/library/scala/reflect/api/Trees.scala index 1472866460..9d96f30afb 100644 --- a/src/library/scala/reflect/api/Trees.scala +++ b/src/library/scala/reflect/api/Trees.scala @@ -13,7 +13,7 @@ trait Trees { self: Universe => private[scala] var nodeCount = 0 - type Modifiers <: AbsModifiers + type Modifiers >: Null <: AbsModifiers abstract class AbsModifiers { def modifiers: Set[Modifier] @@ -660,6 +660,33 @@ trait Trees { self: Universe => val treeCopy = newLazyTreeCopier + def copyDefDef(tree: Tree)( + mods: Modifiers = null, + name: Name = null, + tparams: List[TypeDef] = null, + vparamss: List[List[ValDef]] = null, + tpt: Tree = null, + rhs: Tree = null + ): DefDef = tree match { + case DefDef(mods0, name0, tparams0, vparamss0, tpt0, rhs0) => + treeCopy.DefDef(tree, + if (mods eq null) mods0 else mods, + if (name eq null) name0 else name, + if (tparams eq null) tparams0 else tparams, + if (vparamss eq null) vparamss0 else vparamss, + if (tpt eq null) tpt0 else tpt, + if (rhs eq null) rhs0 else rhs + ) + case t => + sys.error("Not a DefDef: " + t + "/" + t.getClass) + } + def deriveDefDef(ddef: Tree)(applyToRhs: Tree => Tree): DefDef = ddef match { + case DefDef(mods0, name0, tparams0, vparamss0, tpt0, rhs0) => + treeCopy.DefDef(ddef, mods0, name0, tparams0, vparamss0, tpt0, applyToRhs(rhs0)) + case t => + sys.error("Not a DefDef: " + t + "/" + t.getClass) + } + class Traverser { protected var currentOwner: Symbol = definitions.RootClass |