gecko-dev/dom/bindings/BindingGen.py
Boris Zbarsky 142568ca7e Bug 854532. Make _asInstance codegen always produce code in the same order. r=khuey
Also fixes whitespace in _hasInstance and makes sure the .pp files are always in the same order
2013-04-03 22:22:14 -04:00

77 lines
2.7 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 CGBindingRoot
def generate_binding_header(config, outputprefix, srcprefix, webidlfile):
"""
|config| Is the configuration object.
|outputprefix| is a prefix to use for the header guards and filename.
"""
filename = outputprefix + ".h"
depsname = ".deps/" + filename + ".pp"
root = CGBindingRoot(config, outputprefix, webidlfile)
with open(filename, 'wb') as f:
f.write(root.declare())
with open(depsname, 'wb') as f:
# Sort so that our output is stable
f.write("\n".join(filename + ": " + os.path.join(srcprefix, x) for
x in sorted(root.deps())))
def generate_binding_cpp(config, outputprefix, srcprefix, webidlfile):
"""
|config| Is the configuration object.
|outputprefix| is a prefix to use for the header guards and filename.
"""
filename = outputprefix + ".cpp"
depsname = ".deps/" + filename + ".pp"
root = CGBindingRoot(config, outputprefix, webidlfile)
with open(filename, 'wb') as f:
f.write(root.define())
with open(depsname, 'wb') as f:
f.write("\n".join(filename + ": " + os.path.join(srcprefix, x) for
x in sorted(root.deps())))
def main():
# Parse arguments.
from optparse import OptionParser
usagestring = "usage: %prog [header|cpp] configFile outputPrefix srcPrefix 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) != 5 or (args[0] != "header" and args[0] != "cpp"):
o.error(usagestring)
buildTarget = args[0]
configFile = os.path.normpath(args[1])
outputPrefix = args[2]
srcPrefix = os.path.normpath(args[3])
webIDLFile = os.path.normpath(args[4])
# 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, srcPrefix, webIDLFile);
elif buildTarget == "cpp":
generate_binding_cpp(config, outputPrefix, srcPrefix, webIDLFile);
else:
assert False # not reached
if __name__ == '__main__':
main()