mirror of
https://github.com/mozilla/gecko-dev.git
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119 lines
3.4 KiB
Python
Executable File
119 lines
3.4 KiB
Python
Executable File
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import optparse, os, re, sys
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from cStringIO import StringIO
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import ipdl
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def log(minv, fmt, *args):
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if _verbosity >= minv:
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print fmt % args
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# process command line
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op = optparse.OptionParser(usage='ipdl.py [options] IPDLfiles...')
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op.add_option('-I', '--include', dest='includedirs', default=[ ],
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action='append',
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help='Additional directory to search for included protocol specifications')
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op.add_option('-v', '--verbose', dest='verbosity', default=1, action='count',
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help='Verbose logging (specify -vv or -vvv for very verbose logging)')
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op.add_option('-q', '--quiet', dest='verbosity', action='store_const', const=0,
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help="Suppress logging output")
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op.add_option('-d', '--outheaders-dir', dest='headersdir', default='.',
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help="""Directory into which C++ headers will be generated.
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A protocol Foo in the namespace bar will cause the headers
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dir/bar/Foo.h, dir/bar/FooParent.h, and dir/bar/FooParent.h
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to be generated""")
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op.add_option('-o', '--outcpp-dir', dest='cppdir', default='.',
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help="""Directory into which C++ sources will be generated
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A protocol Foo in the namespace bar will cause the sources
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cppdir/FooParent.cpp, cppdir/FooChild.cpp
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to be generated""")
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options, files = op.parse_args()
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_verbosity = options.verbosity
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headersdir = options.headersdir
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cppdir = options.cppdir
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includedirs = [ os.path.abspath(incdir) for incdir in options.includedirs ]
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if not len(files):
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op.error("No IPDL files specified")
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log(2, 'Generated C++ headers will be generated relative to "%s"', headersdir)
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log(2, 'Generated C++ sources will be generated in "%s"', cppdir)
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allprotocols = []
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def normalizedFilename(f):
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if f == '-':
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return '<stdin>'
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return f
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# First pass: parse and type-check all protocols
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for f in files:
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log(2, os.path.basename(f))
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filename = normalizedFilename(f)
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if f == '-':
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fd = sys.stdin
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else:
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fd = open(f)
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specstring = fd.read()
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fd.close()
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ast = ipdl.parse(specstring, filename, includedirs=includedirs)
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if ast is None:
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print >>sys.stderr, 'Specification could not be parsed.'
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sys.exit(1)
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log(2, 'checking types')
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if not ipdl.typecheck(ast):
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print >>sys.stderr, 'Specification is not well typed.'
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sys.exit(1)
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if _verbosity > 2:
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log(3, ' pretty printed code:')
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ipdl.genipdl(ast, codedir)
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# Second pass: generate code
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for f in files:
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# Read from parser cache
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filename = normalizedFilename(f)
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ast = ipdl.parse(None, filename, includedirs=includedirs)
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ipdl.gencxx(filename, ast, headersdir, cppdir)
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if ast.protocol:
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allprotocols.append('%sMsgStart' % ast.protocol.name)
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allprotocols.sort()
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ipcmsgstart = StringIO()
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print >>ipcmsgstart, """
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// CODE GENERATED by ipdl.py. Do not edit.
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#ifndef IPCMessageStart_h
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#define IPCMessageStart_h
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enum IPCMessageStart {
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"""
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for name in allprotocols:
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print >>ipcmsgstart, " %s," % name
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print >>ipcmsgstart, """
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LastMsgIndex
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};
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COMPILE_ASSERT(LastMsgIndex <= 65536, need_to_update_IPC_MESSAGE_MACRO);
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#endif // ifndef IPCMessageStart_h
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"""
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ipdl.writeifmodified(ipcmsgstart.getvalue(),
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os.path.join(headersdir, 'IPCMessageStart.h'))
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