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79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# 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 file,
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# You can obtain one at http://mozilla.org/MPL/2.0/.
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# We do one global pass over all the WebIDL to generate our prototype enum
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# and generate information for subsequent phases.
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import os
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import WebIDL
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import cPickle
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from Configuration import Configuration
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from Codegen import GlobalGenRoots, replaceFileIfChanged
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def generate_file(config, name, action):
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root = getattr(GlobalGenRoots, name)(config)
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if action is 'declare':
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filename = name + '.h'
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code = root.declare()
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else:
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assert action is 'define'
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filename = name + '.cpp'
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code = root.define()
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if replaceFileIfChanged(filename, code):
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print "Generating %s" % (filename)
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else:
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print "%s hasn't changed - not touching it" % (filename)
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def main():
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# Parse arguments.
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from optparse import OptionParser
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usageString = "usage: %prog [options] webidldir [files]"
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o = OptionParser(usage=usageString)
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o.add_option("--cachedir", dest='cachedir', default=None,
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help="Directory in which to cache lex/parse tables.")
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o.add_option("--verbose-errors", action='store_true', default=False,
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help="When an error happens, display the Python traceback.")
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(options, args) = o.parse_args()
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if len(args) < 2:
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o.error(usageString)
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configFile = args[0]
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baseDir = args[1]
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fileList = args[2:]
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# Parse the WebIDL.
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parser = WebIDL.Parser(options.cachedir)
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for filename in fileList:
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fullPath = os.path.normpath(os.path.join(baseDir, filename))
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f = open(fullPath, 'rb')
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lines = f.readlines()
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f.close()
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parser.parse(''.join(lines), fullPath)
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parserResults = parser.finish()
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# Write the parser results out to a pickle.
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resultsFile = open('ParserResults.pkl', 'wb')
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cPickle.dump(parserResults, resultsFile, -1)
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resultsFile.close()
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# Load the configuration.
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config = Configuration(configFile, parserResults)
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# Generate the prototype list.
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generate_file(config, 'PrototypeList', 'declare')
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# Generate the common code.
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generate_file(config, 'RegisterBindings', 'declare')
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generate_file(config, 'RegisterBindings', 'define')
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generate_file(config, 'UnionTypes', 'declare')
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generate_file(config, 'UnionTypes', 'define')
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generate_file(config, 'UnionConversions', 'declare')
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if __name__ == '__main__':
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main()
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