1 files changed, 59 insertions, 0 deletions
diff --git a/src/mem/slicc/ast/AssignStatementAST.py b/src/mem/slicc/ast/AssignStatementAST.py
new file mode 100644
index 000000000..f8e77b03b
--- /dev/null
+++ b/src/mem/slicc/ast/AssignStatementAST.py
@@ -0,0 +1,59 @@
+# 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.ast.StatementAST import StatementAST
+
+class AssignStatementAST(StatementAST):
+    def __init__(self, slicc, lvalue, rvalue):
+        super(AssignStatementAST, self).__init__(slicc)
+        self.lvalue = lvalue
+        self.rvalue = rvalue
+
+    def __repr__(self):
+        return "[AssignStatementAST: %r := %r]" % (self.lvalue, self.rvalue)
+
+    def generate(self, code, return_type):
+        lcode = code_formatter()
+        rcode = code_formatter()
+
+        ltype = self.lvalue.generate(lcode)
+        rtype = self.rvalue.generate(rcode)
+
+        code("$lcode = $rcode;")
+
+        if ltype != rtype:
+            # FIXME - beckmann
+            # the following if statement is a hack to allow NetDest
+            # objects to be assigned to Sets this allows for the
+            # previous NetworkMessage Destiantion 'Set class' to
+            # migrate to the new NetworkMessage Destiantion 'NetDest
+            # class'
+            if str(ltype) != "NetDest" and str(rtype) != "Set":
+                self.error("Assignment type mismatch '%s' and '%s'",
+                           ltype, rtype)