1 files changed, 50 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/symtab/SymbolTable.scala b/src/compiler/scala/tools/nsc/symtab/SymbolTable.scala
new file mode 100644
index 0000000000..eb29dad289
--- /dev/null
+++ b/src/compiler/scala/tools/nsc/symtab/SymbolTable.scala
@@ -0,0 +1,50 @@
+/* NSC -- new scala compiler
+ * Copyright 2005 LAMP/EPFL
+ * @author  Martin Odersky
+ */
+// $Id$
+package scala.tools.nsc.symtab;
+
+import util._;
+
+abstract class SymbolTable extends Names
+			      with Symbols
+			      with Types
+                              with Scopes
+                              with Definitions
+			      with Constants
+			      with InfoTransformers
+                              with StdNames {
+  def settings: Settings;
+  def rootLoader: LazyType;
+  def log(msg: Object): unit;
+
+  private var ph: Phase = NoPhase;
+  def phase: Phase = ph;
+  def phase_=(p: Phase): unit = {
+    //System.out.println("setting phase to " + p);
+    assert(p != null && p != NoPhase);
+    ph = p
+  }
+
+  final val NoRun = null;
+
+  /** The current compiler run. */
+  def currentRun: CompilerRun;
+
+  def atPhase[T](ph: Phase)(op: => T): T = {
+    val current = phase;
+    phase = ph;
+    val result = op;
+    phase = current;
+    result
+  }
+
+  var infoTransformers = new InfoTransformer {
+    val pid = NoPhase.id;
+    val changesBaseClasses = true;
+    def transform(sym: Symbol, tpe: Type): Type = tpe;
+  }
+
+  val phaseWithId: Array[Phase];
+}