From d5e3f85946af966111f88af90a666a709df0ba6f Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Tue, 13 Nov 2012 00:14:40 -0800
Subject: Revert "Commenting out unused members."

This reverts commit 951fc3a486.
---
 src/compiler/scala/tools/nsc/ast/Printers.scala | 82 +++++++++++++++++++++++--
 1 file changed, 78 insertions(+), 4 deletions(-)

(limited to 'src/compiler/scala/tools/nsc/ast/Printers.scala')

diff --git a/src/compiler/scala/tools/nsc/ast/Printers.scala b/src/compiler/scala/tools/nsc/ast/Printers.scala
index d0aa004c9a..0414e0f123 100644
--- a/src/compiler/scala/tools/nsc/ast/Printers.scala
+++ b/src/compiler/scala/tools/nsc/ast/Printers.scala
@@ -200,17 +200,91 @@ trait Printers extends scala.reflect.internal.Printers { this: Global =>
     override def printTree(tree: Tree) { print(safe(tree)) }
   }
 
+  class TreeMatchTemplate {
+    // non-trees defined in Trees
+    //
+    // case class ImportSelector(name: Name, namePos: Int, rename: Name, renamePos: Int)
+    // case class Modifiers(flags: Long, privateWithin: Name, annotations: List[Tree], positions: Map[Long, Position])
+    //
+    def apply(t: Tree): Unit = t match {
+      // eliminated by typer
+      case Annotated(annot, arg)  =>
+      case AssignOrNamedArg(lhs, rhs) =>
+      case DocDef(comment, definition) =>
+      case Import(expr, selectors) =>
+
+      // eliminated by refchecks
+      case ModuleDef(mods, name, impl) =>
+      case TypeTreeWithDeferredRefCheck() =>
+
+      // eliminated by erasure
+      case TypeDef(mods, name, tparams, rhs) =>
+      case Typed(expr, tpt) =>
+
+      // eliminated by cleanup
+      case ApplyDynamic(qual, args) =>
+
+      // eliminated by explicitouter
+      case Alternative(trees) =>
+      case Bind(name, body) =>
+      case CaseDef(pat, guard, body) =>
+      case Star(elem) =>
+      case UnApply(fun, args) =>
+
+      // eliminated by lambdalift
+      case Function(vparams, body) =>
+
+      // eliminated by uncurry
+      case AppliedTypeTree(tpt, args) =>
+      case CompoundTypeTree(templ) =>
+      case ExistentialTypeTree(tpt, whereClauses) =>
+      case SelectFromTypeTree(qual, selector) =>
+      case SingletonTypeTree(ref) =>
+      case TypeBoundsTree(lo, hi) =>
+
+      // survivors
+      case Apply(fun, args) =>
+      case ArrayValue(elemtpt, trees) =>
+      case Assign(lhs, rhs) =>
+      case Block(stats, expr) =>
+      case ClassDef(mods, name, tparams, impl) =>
+      case DefDef(mods, name, tparams, vparamss, tpt, rhs)  =>
+      case EmptyTree =>
+      case Ident(name) =>
+      case If(cond, thenp, elsep) =>
+      case LabelDef(name, params, rhs) =>
+      case Literal(value) =>
+      case Match(selector, cases) =>
+      case New(tpt) =>
+      case PackageDef(pid, stats) =>
+      case Return(expr) =>
+      case Select(qualifier, selector) =>
+      case Super(qual, mix) =>
+      case Template(parents, self, body) =>
+      case This(qual) =>
+      case Throw(expr) =>
+      case Try(block, catches, finalizer) =>
+      case TypeApply(fun, args) =>
+      case TypeTree() =>
+      case ValDef(mods, name, tpt, rhs) =>
+
+      // missing from the Trees comment
+      case Parens(args) =>                          // only used during parsing
+      case SelectFromArray(qual, name, erasure) =>  // only used during erasure
+    }
+  }
+
   def asString(t: Tree): String = render(t, newStandardTreePrinter, settings.printtypes.value, settings.uniqid.value, settings.Yshowsymkinds.value)
   def asCompactString(t: Tree): String = render(t, newCompactTreePrinter, settings.printtypes.value, settings.uniqid.value, settings.Yshowsymkinds.value)
   def asCompactDebugString(t: Tree): String = render(t, newCompactTreePrinter, true, true, true)
 
   def newStandardTreePrinter(writer: PrintWriter): TreePrinter = new TreePrinter(writer)
-  // def newStandardTreePrinter(stream: OutputStream): TreePrinter = newStandardTreePrinter(new PrintWriter(stream))
-  // def newStandardTreePrinter(): TreePrinter = newStandardTreePrinter(new PrintWriter(ConsoleWriter))
+  def newStandardTreePrinter(stream: OutputStream): TreePrinter = newStandardTreePrinter(new PrintWriter(stream))
+  def newStandardTreePrinter(): TreePrinter = newStandardTreePrinter(new PrintWriter(ConsoleWriter))
 
   def newCompactTreePrinter(writer: PrintWriter): CompactTreePrinter = new CompactTreePrinter(writer)
-  // def newCompactTreePrinter(stream: OutputStream): CompactTreePrinter = newCompactTreePrinter(new PrintWriter(stream))
-  // def newCompactTreePrinter(): CompactTreePrinter = newCompactTreePrinter(new PrintWriter(ConsoleWriter))
+  def newCompactTreePrinter(stream: OutputStream): CompactTreePrinter = newCompactTreePrinter(new PrintWriter(stream))
+  def newCompactTreePrinter(): CompactTreePrinter = newCompactTreePrinter(new PrintWriter(ConsoleWriter))
 
   override def newTreePrinter(writer: PrintWriter): TreePrinter =
     if (settings.Ycompacttrees.value) newCompactTreePrinter(writer)
-- 
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