1 files changed, 78 insertions, 0 deletions
diff --git a/src/mem/slicc/symbols/Symbol.py b/src/mem/slicc/symbols/Symbol.py
new file mode 100644
index 000000000..b394fda44
--- /dev/null
+++ b/src/mem/slicc/symbols/Symbol.py
@@ -0,0 +1,78 @@
+# 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 slicc.util import PairContainer
+
+class Symbol(PairContainer):
+    def __init__(self, symtab, ident, location, pairs=None):
+        super(Symbol, self).__init__()
+
+        from slicc.util import Location
+        from slicc.symbols import SymbolTable
+        if not isinstance(symtab, SymbolTable): raise AttributeError
+        if not isinstance(ident, str): raise AttributeError
+        if not isinstance(location, Location): raise AttributeError
+
+        self.symtab = symtab
+        self.ident = ident
+        self.location = location
+        if pairs:
+            self.pairs.update(getattr(pairs, "pairs", pairs))
+        if "short" not in self:
+            self["short"] = self.ident
+        self.used = False
+
+    def __repr__(self):
+        return "[Symbol: %s]" % self.ident
+
+    def __str__(self):
+        return str(self.ident)
+
+    def __setitem__(self, key, value):
+        if key in self.pairs:
+            self.warning("Pair key '%s' re-defined. new: '%s' old: '%s'",
+                         key, value, self.pairs[key])
+        super(Symbol, self).__setitem__(key, value)
+
+    @property
+    def short(self):
+        return self["short"]
+
+    @property
+    def desc(self):
+        return self["desc"]
+
+    def error(self, message, *args):
+        self.location.error(message, *args)
+
+    def warning(self, message, *args):
+        self.location.warning(message, *args)
+
+    def writeHTMLFiles(self, path):
+        pass
+
+__all__ = [ "Symbol" ]