slicc: Pure python implementation of slicc.

This is simply a translation of the C++ slicc into python with very minimal
reorganization of the code.  The output can be verified as nearly identical
by doing a "diff -wBur".

Slicc can easily be run manually by using util/slicc

1 files changed, 107 insertions, 0 deletions

diff --git a/src/mem/slicc/symbols/Func.py b/src/mem/slicc/symbols/Func.py
new file mode 100644
index 000000000..5c812a96f
--- /dev/null
+++ b/src/mem/slicc/symbols/Func.py
@@ -0,0 +1,107 @@
+# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+# Copyright (c) 2009 The Hewlett-Packard Development Company
+# 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.
+
+from m5.util import code_formatter
+
+from slicc.symbols.Symbol import Symbol
+from slicc.symbols.Type import Type
+
+class Func(Symbol):
+    def __init__(self, table, ident, location, return_type, param_types,
+                 param_strings, body, pairs, machine):
+        super(Func, self).__init__(table, ident, location, pairs)
+        self.return_type = return_type
+        self.param_types = param_types
+        self.param_strings = param_strings
+        self.body = body
+        self.isInternalMachineFunc = False
+
+        if machine is None:
+            self.c_ident = ident
+        elif "external" in self or "primitive" in self:
+            self.c_ident = ident
+        else:
+            self.machineStr = str(machine)
+            # Append with machine name
+            self.c_ident = "%s_%s" % (self.machineStr, ident)
+            self.isInternalMachineFunc = True
+
+    def __repr__(self):
+        return ""
+
+    @property
+    def prototype(self):
+        if "external" in self:
+            return ""
+
+        return_type = self.return_type.c_ident
+        void_type = self.symtab.find("void", Type)
+        if "return_by_ref" in self and self.return_type != void_type:
+            return_type += "&"
+
+        return "%s %s(%s);" % (return_type, self.c_ident,
+                               ", ".join(self.param_strings))
+
+    def writeCodeFiles(self, path):
+        '''This write a function of object Chip'''
+        if "external" in self:
+            return
+
+        code = code_formatter()
+
+        # Header
+        code('''
+/** Auto generated C++ code started by $__file__:$__line__ */
+
+#include "mem/protocol/Types.hh"
+''')
+
+        if self.isInternalMachineFunc:
+            code('#include "mem/protocol/${{self.machineStr}}_Controller.hh"')
+
+        # Generate function header
+        void_type = self.symtab.find("void", Type)
+        return_type = self.return_type.c_ident
+        if "return_by_ref" in self and self.return_type != void_type:
+            return_type += "&"
+
+        if self.isInternalMachineFunc:
+            klass = "%s_Controller" % self.machineStr
+        else:
+            klass = "Chip"
+
+        params = ', '.join(self.param_strings)
+
+        code('''
+$return_type ${klass}::${{self.c_ident}}($params)
+{
+${{self.body}}
+}
+''')
+        code.write(path, "%s.cc" % self.c_ident)
+
+__all__ = [ "Func" ]