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authorNathan Binkert <nate@binkert.org>2009-09-22 18:12:39 -0700
committerNathan Binkert <nate@binkert.org>2009-09-22 18:12:39 -0700
commit2278363015a2a5cc850b38213833096d33b496e8 (patch)
tree8f7fea117f40cadbec70e68a0b92e1cb960dafbe /src/mem/slicc/symbols/Func.py
parent30d5d95b6a7c93ccf63ae0cfcc62d17306c31eee (diff)
downloadgem5-2278363015a2a5cc850b38213833096d33b496e8.tar.xz
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
Diffstat (limited to 'src/mem/slicc/symbols/Func.py')
-rw-r--r--src/mem/slicc/symbols/Func.py107
1 files changed, 107 insertions, 0 deletions
diff --git a/src/mem/slicc/symbols/Func.py b/src/mem/slicc/symbols/Func.py
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+++ 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" ]