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diff --git a/src/mem/slicc/ast/MachineAST.cc b/src/mem/slicc/ast/MachineAST.cc
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+
+/*
+ * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * MachineAST.C
+ *
+ * Description: See MachineAST.h
+ *
+ * $Id: MachineAST.C,v 3.1 2003/03/17 01:54:25 xu Exp $
+ *
+ */
+
+#include "mem/slicc/ast/MachineAST.hh"
+#include "mem/slicc/symbols/SymbolTable.hh"
+
+MachineAST::MachineAST(string* ident_ptr,
+                       PairListAST* pairs_ptr,
+                       DeclListAST* decl_list_ptr)
+
+  : DeclAST(pairs_ptr)
+{
+  m_ident_ptr = ident_ptr;
+  m_pairs_ptr = pairs_ptr;
+  m_decl_list_ptr = decl_list_ptr;
+}
+
+MachineAST::~MachineAST()
+{
+  delete m_ident_ptr;
+  delete m_pairs_ptr;
+  delete m_decl_list_ptr;
+}
+
+void MachineAST::generate()
+{
+  StateMachine* machine_ptr;
+
+  // Make a new frame
+  g_sym_table.pushFrame();
+
+  // Create a new machine
+  machine_ptr = new StateMachine(*m_ident_ptr, getLocation(), getPairs());
+  g_sym_table.newCurrentMachine(machine_ptr);
+
+  // Generate code for all the internal decls
+  m_decl_list_ptr->generate();
+
+  // Build the transition table
+  machine_ptr->buildTable();
+
+  // Pop the frame
+  g_sym_table.popFrame();
+}
+
+void MachineAST::findMachines()
+{
+  // Add to MachineType enumeration
+  Type* type_ptr = g_sym_table.getType("MachineType");
+  if (!type_ptr->enumAdd(*m_ident_ptr, m_pairs_ptr->getPairs())) {
+    error("Duplicate machine name: " + type_ptr->toString() + ":" + *m_ident_ptr);
+  }
+
+  // Generate code for all the internal decls
+  m_decl_list_ptr->findMachines();
+}
+
+void MachineAST::print(ostream& out) const
+{
+  out << "[Machine: " << *m_ident_ptr << "]";
+}