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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.
# We do one global pass over all the WebIDL to generate our prototype enum
# and generate information for subsequent phases.
import sys
sys.path.append("./parser/")
sys.path.append("./ply/")
import os
import cStringIO
import WebIDL
import cPickle
from Configuration import *
from CodegenRust import GlobalGenRoots, replaceFileIfChanged
# import Codegen in general, so we can set a variable on it
import Codegen
def generate_file(config, name, filename):
root = getattr(GlobalGenRoots, name)(config)
code = root.define()
if replaceFileIfChanged(filename, code):
print "Generating %s" % (filename)
else:
print "%s hasn't changed - not touching it" % (filename)
def main():
# Parse arguments.
from optparse import OptionParser
usageString = "usage: %prog [options] webidldir [files]"
o = OptionParser(usage=usageString)
o.add_option("--cachedir", dest='cachedir', default=None,
help="Directory in which to cache lex/parse tables.")
o.add_option("--verbose-errors", action='store_true', default=False,
help="When an error happens, display the Python traceback.")
(options, args) = o.parse_args()
if len(args) < 2:
o.error(usageString)
configFile = args[0]
baseDir = args[1]
fileList = args[2:]
# Parse the WebIDL.
parser = WebIDL.Parser(options.cachedir)
for filename in fileList:
fullPath = os.path.normpath(os.path.join(baseDir, filename))
f = open(fullPath, 'rb')
lines = f.readlines()
f.close()
parser.parse(''.join(lines), fullPath)
parserResults = parser.finish()
# Write the parser results out to a pickle.
resultsFile = open('ParserResults.pkl', 'wb')
cPickle.dump(parserResults, resultsFile, -1)
resultsFile.close()
# Load the configuration.
config = Configuration(configFile, parserResults)
# Generate the prototype list.
generate_file(config, 'PrototypeList', 'PrototypeList.rs')
# Generate the common code.
generate_file(config, 'RegisterBindings', 'RegisterBindings.rs')
# Generate the type list.
generate_file(config, 'InterfaceTypes', 'InterfaceTypes.rs')
# Generate the type list.
generate_file(config, 'InheritTypes', 'InheritTypes.rs')
# Generate the module declarations.
generate_file(config, 'Bindings', 'Bindings/mod.rs')
generate_file(config, 'UnionTypes', 'UnionTypes.rs')
if __name__ == '__main__':
main()
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