2278363015
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
64 lines
2.6 KiB
Python
64 lines
2.6 KiB
Python
# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
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# Copyright (c) 2009 The Hewlett-Packard Development Company
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from m5.util import code_formatter
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from slicc.util import PairContainer, Location
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class AST(PairContainer):
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def __init__(self, slicc, pairs=None):
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self.slicc = slicc
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self.location = Location(slicc.current_file, slicc.lexer.lineno)
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self.pairs = {}
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if pairs:
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self.pairs.update(getattr(pairs, "pairs", pairs))
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@property
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def symtab(self):
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return self.slicc.symtab
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@property
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def state_machine(self):
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return self.slicc.symtab.state_machine
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def warning(self, message, *args):
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self.location.warning(message, *args)
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def error(self, message, *args):
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self.location.error(message, *args)
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def embedError(self, message, *args):
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if args:
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message = message % args
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code = code_formatter()
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code('''
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cerr << "Runtime Error at ${{self.location}}, Ruby Time: " << g_eventQueue_ptr->getTime() << ": "<< $message << ", PID: " << getpid() << endl;
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char c; cerr << "press return to continue." << endl; cin.get(c); abort();
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''')
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return code
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