gecko-dev/dom/bindings/ExampleGen.py

50 lines
1.6 KiB
Python

# 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/.
import os
import cPickle
from Configuration import Configuration
from Codegen import CGExampleRoot, replaceFileIfChanged
def generate_interface_example(config, interfaceName):
"""
|config| Is the configuration object.
|interfaceName| is the name of the interface we're generating an example for.
"""
root = CGExampleRoot(config, interfaceName)
exampleHeader = interfaceName + "-example.h"
exampleImpl = interfaceName + "-example.cpp"
replaceFileIfChanged(exampleHeader, root.declare())
replaceFileIfChanged(exampleImpl, root.define())
def main():
# Parse arguments.
from optparse import OptionParser
usagestring = "usage: %prog configFile interfaceName"
o = OptionParser(usage=usagestring)
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 = os.path.normpath(args[0])
interfaceName = args[1]
# Load the parsing results
f = open('ParserResults.pkl', 'rb')
parserData = cPickle.load(f)
f.close()
# Create the configuration data.
config = Configuration(configFile, parserData)
# Generate the example class.
generate_interface_example(config, interfaceName)
if __name__ == '__main__':
main()