1 files changed, 155 insertions, 0 deletions
diff --git a/sources/scalac/ast/TreeFactory.java b/sources/scalac/ast/TreeFactory.java
new file mode 100644
index 0000000000..31ee67042e
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+++ b/sources/scalac/ast/TreeFactory.java
@@ -0,0 +1,155 @@
+/*     ____ ____  ____ ____  ______                                     *\
+**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
+**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
+** /_____/\____/\___/\____/____/                                        **
+**                                                                      **
+** $Id$
+\*                                                                      */
+
+package scalac.ast;
+
+import scalac.util.Name;
+import Tree.*;
+
+public interface TreeFactory {
+
+    public Tree Bad(int pos);
+
+    public Tree ClassDef(int pos,
+                         int mods,
+                         Name name,
+                         TypeDef[] tparams,
+                         ValDef[][] vparams,
+			 Tree tpe,
+                         Template impl);
+
+    public Tree PackageDef(int pos,
+                           Tree packaged,
+                           Template impl);
+
+    public Tree ModuleDef(int pos,
+                          int mods,
+                          Name name,
+                          Tree tpe,
+                          Template impl);
+
+    public Tree ValDef(int pos,
+                       int mods,
+                       Name name,
+                       Tree tpe,
+                       Tree rhs);
+
+    public Tree PatDef(int pos,
+                       int mods,
+                       Tree pat,
+                       Tree rhs);
+
+    public Tree DefDef(int pos,
+                       int mods,
+                       Name name,
+                       TypeDef[] tparams,
+                       ValDef[][] vparams,
+                       Tree tpe,
+                       Tree rhs);
+
+    public Tree TypeDef(int pos,
+                        int mods,
+                        Name name,
+			TypeDef[] tparams,
+                        Tree rhs);
+
+    public Tree Import(int pos,
+                       Tree expr,
+		       Name[] selectors);
+
+    public CaseDef CaseDef(int pos,
+			   Tree pat,
+			   Tree guard,
+			   Tree body);
+
+    public Template Template(int pos,
+                             Tree[] baseClasses,
+                             Tree[] body);
+
+    public Tree LabelDef(int pos,
+			 Tree[] params,
+			 Tree rhs);
+
+    public Tree Block(int pos,
+                      Tree[] stats);
+
+    public Tree Tuple(int pos,
+                      Tree[] trees);
+
+    public Tree Visitor(int pos,
+                        CaseDef[] cases);
+
+    public Tree Function(int pos,
+                         ValDef[] vparams,
+                         Tree body);
+
+    public Tree Assign(int pos,
+                       Tree lhs,
+                       Tree rhs);
+
+    public Tree If(int pos,
+                   Tree cond,
+                   Tree thenp,
+                   Tree elsep);
+
+    public Tree New(int pos,
+                    Template templ);
+
+    public Tree Typed(int pos,
+                      Tree expr,
+                      Tree tpe);
+
+    public Tree TypeApply(int pos,
+                          Tree fun,
+                          Tree[] tparams);
+
+    public Tree Apply(int pos,
+                      Tree fun,
+                      Tree[] vparam);
+
+    public Tree Super(int pos,
+                      Tree tpe);
+
+    public Tree This(int pos,
+		     Tree qualifier);
+
+    public Tree Select(int pos,
+                       Tree qualifier,
+                       Name selector);
+
+    public Tree Ident(int pos,
+                      Name name);
+
+    public Tree Literal(int pos,
+                        Object value);
+
+    public Tree SingletonType(int pos,
+			      Tree ref);
+
+    public Tree SelectFromType(int pos,
+			       Tree qualifier,
+			       Name selector);
+
+    public Tree FunType(int pos,
+                        Tree[] argtpes,
+                        Tree restpe);
+
+    public Tree CompoundType(int pos,
+                             Tree[] baseTypes,
+                             Tree[] refinements);
+
+    public Tree TupleType(int pos,
+                          Tree[] types);
+
+    public Tree AppliedType(int pos,
+                            Tree tpe,
+                            Tree[] args);
+
+    public Tree CovariantType(int pos,
+			      Tree tpe);
+}