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
118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
# -*- mode:python -*-
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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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#
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# Authors: Nathan Binkert
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import os
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import sys
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from os.path import isdir, isfile, join as joinpath
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Import('*')
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if not env['RUBY']:
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Return()
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protocol_dir = Dir('.')
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html_dir = Dir('html')
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slicc_dir = Dir('../slicc')
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sys.path[1:1] = [ Dir('..').srcnode().abspath ]
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from slicc.parser import SLICC
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slicc_depends = []
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for root,dirs,files in os.walk(slicc_dir.srcnode().abspath):
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for f in files:
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if f.endswith('.py'):
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slicc_depends.append(File(joinpath(root, f)))
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#
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# Use SLICC
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#
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def slicc_scanner(node, env, path):
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contents = node.get_contents()
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files = [ line.strip() for line in contents.splitlines() ]
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return files
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env.Append(SCANNERS=Scanner(function=slicc_scanner,skeys=['.slicc']))
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def slicc_emitter(target, source, env):
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files = [s.srcnode().abspath for s in source[1:]]
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slicc = SLICC(debug=True)
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print "SLICC parsing..."
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for name in slicc.load(files, verbose=True):
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print " %s" % name
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hh,cc = slicc.files()
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target.extend(sorted(hh))
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target.extend(sorted(cc))
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f = file('/tmp/asdf', 'w')
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for t in target:
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print >>f, t
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return target, source
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def slicc_action(target, source, env):
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protocol = source[0].get_contents()
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pdir = str(protocol_dir)
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hdir = str(html_dir)
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if not isdir(pdir):
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os.mkdir(pdir)
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if not isdir(hdir):
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os.mkdir(hdir)
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slicc = SLICC(debug=True)
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files = [str(s) for s in source[1:]]
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slicc.load(files, verbose=False)
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print "SLICC Generator pass 1..."
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slicc.findMachines()
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print "SLICC Generator pass 2..."
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slicc.generate()
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print "SLICC writing C++ files..."
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slicc.writeCodeFiles(pdir)
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print "SLICC writing HTML files..."
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slicc.writeHTMLFiles(hdir)
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slicc_builder = Builder(action=slicc_action, emitter=slicc_emitter)
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protocol = env['PROTOCOL']
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sources = [ protocol_dir.File("RubySlicc_interfaces.slicc"),
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protocol_dir.File("%s.slicc" % protocol) ]
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env.Append(BUILDERS={'SLICC' : slicc_builder})
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nodes = env.SLICC([], [ Value(protocol) ] + sources)
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env.Depends(nodes, slicc_depends)
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for f in sorted(s for s in nodes if str(s).endswith('.cc')):
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Source(f)
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