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diff --git a/src/mem/slicc/ast/TypeFieldMemberAST.cc b/src/mem/slicc/ast/TypeFieldMemberAST.cc
new file mode 100644
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+++ b/src/mem/slicc/ast/TypeFieldMemberAST.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.
+ */
+
+/*
+ * TypeFieldMemberAST.C
+ *
+ * Description: See TypeFieldMemberAST.h
+ *
+ * $Id: TypeFieldMemberAST.C,v 3.1 2003/03/27 22:58:54 xu Exp $
+ *
+ */
+
+#include "TypeFieldMemberAST.hh"
+
+TypeFieldMemberAST::TypeFieldMemberAST(TypeAST* type_ast_ptr,
+                                       string* field_id_ptr,
+                                       PairListAST* pairs_ptr,
+                                       ExprAST* rvalue_ptr)
+  : TypeFieldAST(pairs_ptr)
+{
+  m_type_ast_ptr = type_ast_ptr;
+  m_field_id_ptr = field_id_ptr;
+  m_rvalue_ptr = rvalue_ptr;
+}
+
+TypeFieldMemberAST::~TypeFieldMemberAST()
+{
+  delete m_type_ast_ptr;
+  delete m_field_id_ptr;
+  if(m_rvalue_ptr) delete m_rvalue_ptr;
+}
+
+void TypeFieldMemberAST::generate(Type *type_ptr)
+{
+  // Lookup type
+  Type* field_type_ptr = m_type_ast_ptr->lookupType();
+
+  // check type if this is a initialization
+  string* init_code = NULL;
+  if(m_rvalue_ptr) {
+    init_code = new string();
+    Type* rvalue_type_ptr = m_rvalue_ptr->generate(*init_code);
+    if(field_type_ptr != rvalue_type_ptr) {
+      error("Initialization type mismatch '" + field_type_ptr->toString() + "' and '" + rvalue_type_ptr->toString() + "'");
+    }
+  }
+
+  // Add data member to the parent type
+  if (!type_ptr->dataMemberAdd(*m_field_id_ptr, field_type_ptr, getPairs(),
+                               init_code)) {
+    error("Duplicate data member: " + type_ptr->toString() + ":" + *m_field_id_ptr);
+  }
+}
+
+void TypeFieldMemberAST::print(ostream& out) const
+{
+  out << "[TypeFieldMember: " << *m_field_id_ptr << "]";
+}