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# 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" ]
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