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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 https://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
import os
sys.path.append(os.path.join(".", "parser"))
sys.path.append(os.path.join(".", "ply"))
import WebIDL
import cPickle
from Configuration import Configuration
from CodegenRust import GlobalGenRoots, replaceFileIfChanged
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] configFile outputdir 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("--only-html", dest='only_html', action="store_true",
help="Only generate HTML from WebIDL inputs")
o.add_option("--filelist", dest='filelist', default=None,
help="A file containing the list (one per line) of webidl files to process.")
(options, args) = o.parse_args()
if len(args) < 2:
o.error(usageString)
configFile = args[0]
outputdir = args[1]
baseDir = args[2]
if options.filelist is not None:
fileList = (l.strip() for l in open(options.filelist).xreadlines())
else:
fileList = args[3:]
# Parse the WebIDL.
parser = WebIDL.Parser(options.cachedir)
for filename in fileList:
fullPath = os.path.normpath(os.path.join(baseDir, filename))
with open(fullPath, 'rb') as f:
lines = f.readlines()
parser.parse(''.join(lines), fullPath)
parserResults = parser.finish()
if not options.only_html:
# Write the parser results out to a pickle.
resultsPath = os.path.join(outputdir, 'ParserResults.pkl')
with open(resultsPath, 'wb') as resultsFile:
cPickle.dump(parserResults, resultsFile, -1)
# Load the configuration.
config = Configuration(configFile, parserResults)
to_generate = [
('SupportedDomApis', 'apis.html'),
]
if not options.only_html:
to_generate = [
('PrototypeList', 'PrototypeList.rs'),
('RegisterBindings', 'RegisterBindings.rs'),
('InterfaceObjectMap', 'InterfaceObjectMap.rs'),
('InterfaceObjectMapData', 'InterfaceObjectMapData.json'),
('InterfaceTypes', 'InterfaceTypes.rs'),
('InheritTypes', 'InheritTypes.rs'),
('Bindings', os.path.join('Bindings', 'mod.rs')),
('UnionTypes', 'UnionTypes.rs'),
]
for name, filename in to_generate:
generate_file(config, name, os.path.join(outputdir, filename))
if __name__ == '__main__':
main()
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