gecko-dev/dom/bindings/BindingGen.py

70 lines
2.3 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
import WebIDL
from Configuration import *
from Codegen import CGBindingRoot, replaceFileIfChanged
# import Codegen in general, so we can set a variable on it
import Codegen
def generate_binding_header(config, outputprefix, webidlfile):
"""
|config| Is the configuration object.
|outputprefix| is a prefix to use for the header guards and filename.
"""
filename = outputprefix + ".h"
root = CGBindingRoot(config, outputprefix, webidlfile)
if replaceFileIfChanged(filename, root.declare()):
print "Generating binding header: %s" % (filename)
def generate_binding_cpp(config, outputprefix, webidlfile):
"""
|config| Is the configuration object.
|outputprefix| is a prefix to use for the header guards and filename.
"""
filename = outputprefix + ".cpp"
root = CGBindingRoot(config, outputprefix, webidlfile)
if replaceFileIfChanged(filename, root.define()):
print "Generating binding implementation: %s" % (filename)
def main():
# Parse arguments.
from optparse import OptionParser
usagestring = "usage: %prog [header|cpp] configFile outputPrefix webIDLFile"
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) != 4 or (args[0] != "header" and args[0] != "cpp"):
o.error(usagestring)
buildTarget = args[0]
configFile = os.path.normpath(args[1])
outputPrefix = args[2]
webIDLFile = os.path.normpath(args[3])
# 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 prototype classes.
if buildTarget == "header":
generate_binding_header(config, outputPrefix, webIDLFile);
elif buildTarget == "cpp":
generate_binding_cpp(config, outputPrefix, webIDLFile);
else:
assert False # not reached
if __name__ == '__main__':
main()