From 2f30950143cc70bc42a3c8a4111d7cf8198ec881 Mon Sep 17 00:00:00 2001
From: Nathan Binkert <nate@binkert.org>
Date: Mon, 11 May 2009 10:38:43 -0700
Subject: ruby: Import ruby and slicc from GEMS

We eventually plan to replace the m5 cache hierarchy with the GEMS
hierarchy, but for now we will make both live alongside eachother.
---
 src/mem/slicc/symbols/Func.cc | 144 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 src/mem/slicc/symbols/Func.cc

(limited to 'src/mem/slicc/symbols/Func.cc')

diff --git a/src/mem/slicc/symbols/Func.cc b/src/mem/slicc/symbols/Func.cc
new file mode 100644
index 000000000..1af1e299c
--- /dev/null
+++ b/src/mem/slicc/symbols/Func.cc
@@ -0,0 +1,144 @@
+
+/*
+ * 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.
+ */
+
+/*
+ * Func.C
+ *
+ * Description: See Func.h
+ *
+ * $Id$
+ *
+ */
+
+#include "Func.hh"
+#include "SymbolTable.hh"
+#include "fileio.hh"
+#include "StateMachine.hh"
+
+Func::Func(string id, const Location& location,
+           Type* type_ptr, const Vector<Type*>& param_type_vec,
+           const Vector<string>& param_string_vec, string body,
+           const Map<string, string>& pairs, StateMachine* machine_ptr)
+  : Symbol(id, location, pairs)
+{
+  m_type_ptr = type_ptr;
+  m_param_type_vec = param_type_vec;
+  m_param_string_vec = param_string_vec;
+  m_body = body;
+  m_isInternalMachineFunc = false;
+
+  if (machine_ptr == NULL) {
+    m_c_ident = id;
+  } else if (existPair("external") || existPair("primitive")) {
+    m_c_ident = id;
+  } else {
+    m_machineStr = machine_ptr->toString();
+    m_c_ident = m_machineStr + "_" + id;  // Append with machine name
+    m_isInternalMachineFunc = true;
+  }
+}
+
+void Func::funcPrototype(string& code) const
+{
+  if (isExternal()) {
+    // Do nothing
+  } else {
+    string return_type = m_type_ptr->cIdent();
+    Type* void_type_ptr = g_sym_table.getType("void");
+    if (existPair("return_by_ref") && (m_type_ptr != void_type_ptr)) {
+      return_type += "&";
+    }
+    code += return_type + " " + cIdent() + "(";
+    int size = m_param_string_vec.size();
+    for(int i=0; i<size; i++) {
+      // Generate code
+      if (i != 0) {
+        code += ", ";
+      }
+      code += m_param_string_vec[i];
+    }
+    code += ");\n";
+  }
+}
+
+// This write a function of object Chip
+void Func::writeCFiles(string path) const
+{
+  if (isExternal()) {
+    // Do nothing
+  } else {
+    ostringstream out;
+
+    // Header
+    out << "/** Auto generated C++ code started by "<<__FILE__<<":"<<__LINE__<< " */" << endl;
+    out << endl;
+    out << "#include \"Types.hh\"" << endl;
+    out << "#include \"Chip.hh\"" << endl;
+    if (m_isInternalMachineFunc) {
+      out << "#include \"" << m_machineStr << "_Controller.hh\"" << endl;
+    }
+    out << endl;
+
+    // Generate function header
+    string code;
+    Type* void_type_ptr = g_sym_table.getType("void");
+    string return_type = m_type_ptr->cIdent();
+    code += return_type;
+    if (existPair("return_by_ref") && m_type_ptr != void_type_ptr) {
+      code += "&";
+    }
+    if (!m_isInternalMachineFunc) {
+      code += " Chip::" + cIdent() + "(";
+    } else {
+      code += " " + m_machineStr + "_Controller::" + cIdent() + "(";
+    }
+    int size = m_param_type_vec.size();
+    for(int i=0; i<size; i++) {
+      // Generate code
+      if (i != 0) {
+        code += ", ";
+      }
+      code += m_param_string_vec[i];
+    }
+    code += ")";
+
+    // Function body
+    code += "\n{\n";
+    code += m_body;
+    code += "}\n";
+    out << code << endl;
+
+    // Write it out
+    conditionally_write_file(path + cIdent() + ".cc", out);
+  }
+}
+
+void Func::print(ostream& out) const
+{
+}
-- 
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