mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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e558a48af6
AccEventGen.py was using an old, one-off Python module for writing make dependency files. We have a more appropriate API now. So we use it. While we were here, we modified file writing to use FileAvoidWrite to avoid always writing the output files and bumping mtimes. --HG-- extra : rebase_source : 34ef9badacceb4791f27816c756ad9c95bf4069c
239 lines
8.6 KiB
Python
Executable File
239 lines
8.6 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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import sys, os, xpidl
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from mozbuild.makeutil import write_dep_makefile
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from mozbuild.util import FileAvoidWrite
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def findIDL(includePath, interfaceFileName):
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for d in includePath:
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# Not os.path.join: we need a forward slash even on Windows because
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# this filename ends up in makedepend output.
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path = d + '/' + interfaceFileName
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if os.path.exists(path):
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return path
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raise BaseException("No IDL file found for interface %s "
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"in include path %r"
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% (interfaceFileName, includePath))
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def loadEventIDL(parser, includePath, eventname):
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eventidl = ("nsIAccessible%s.idl" % eventname)
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idlFile = findIDL(includePath, eventidl)
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idl = p.parse(open(idlFile).read(), idlFile)
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idl.resolve(includePath, p)
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return idl, idlFile
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class Configuration:
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def __init__(self, filename):
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config = {}
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execfile(filename, config)
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self.simple_events = config.get('simple_events', [])
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def readConfigFile(filename):
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return Configuration(filename)
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def firstCap(str):
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return str[0].upper() + str[1:]
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def writeAttributeParams(a):
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return ("%s a%s" % (a.realtype.nativeType('in'), firstCap(a.name)))
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def print_header_file(fd, conf):
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idl_paths = set()
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fd.write("/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n")
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fd.write("#ifndef _mozilla_a11y_generated_AccEvents_h_\n"
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"#define _mozilla_a11y_generated_AccEvents_h_\n\n")
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fd.write("#include \"nscore.h\"\n")
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fd.write("#include \"nsCOMPtr.h\"\n")
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fd.write("#include \"nsCycleCollectionParticipant.h\"\n")
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fd.write("#include \"nsString.h\"\n")
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for e in conf.simple_events:
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fd.write("#include \"nsIAccessible%s.h\"\n" % e)
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for e in conf.simple_events:
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idl, idl_path = loadEventIDL(p, options.incdirs, e)
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idl_paths.add(idl_path)
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for iface in filter(lambda p: p.kind == "interface", idl.productions):
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classname = ("xpcAcc%s" % e)
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baseinterfaces = interfaces(iface)
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fd.write("\nclass %s MOZ_FINAL : public %s\n" % (classname, iface.name))
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fd.write("{\n")
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fd.write("public:\n")
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attributes = allAttributes(iface)
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args = map(writeAttributeParams, attributes)
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fd.write(" %s(%s) :\n" % (classname, ", ".join(args)))
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initializers = []
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for a in attributes:
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initializers.append("m%s(a%s)" % (firstCap(a.name), firstCap(a.name)))
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fd.write(" %s\n {}\n\n" % ", ".join(initializers))
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fd.write(" NS_DECL_CYCLE_COLLECTING_ISUPPORTS\n")
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fd.write(" NS_DECL_CYCLE_COLLECTION_CLASS(%s)\n" % (classname))
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for iface in filter(lambda i: i.name != "nsISupports", baseinterfaces):
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fd.write(" NS_DECL_%s\n" % iface.name.upper())
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fd.write("\nprivate:\n")
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fd.write(" ~%s() {}\n\n" % classname)
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for a in attributes:
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fd.write(" %s\n" % attributeVariableTypeAndName(a))
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fd.write("};\n\n")
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fd.write("#endif\n")
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return idl_paths
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def interfaceAttributeTypes(idl):
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ifaces = filter(lambda p: p.kind == "interface", idl.productions)
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attributes = []
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for i in ifaces:
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ifaceAttributes = allAttributes(i)
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attributes.extend(ifaceAttributes)
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ifaceAttrs = filter(lambda a: a.realtype.nativeType("in").endswith("*"), attributes)
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return map(lambda a: a.realtype.nativeType("in").strip(" *"), ifaceAttrs)
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def print_cpp(idl, fd, conf, eventname):
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for p in idl.productions:
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if p.kind == 'interface':
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write_cpp(eventname, p, fd)
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def print_cpp_file(fd, conf):
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idl_paths = set()
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fd.write("/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n\n")
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fd.write('#include "xpcAccEvents.h"\n')
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includes = []
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for e in conf.simple_events:
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if not e in includes:
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includes.append(("nsIAccessible%s" % e))
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types = []
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for e in conf.simple_events:
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idl, idl_path = loadEventIDL(p, options.incdirs, e)
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idl_paths.add(idl_path)
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types.extend(interfaceAttributeTypes(idl))
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for c in types:
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fd.write("#include \"%s.h\"\n" % c)
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fd.write("\n")
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for e in conf.simple_events:
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idl, idl_path = loadEventIDL(p, options.incdirs, e)
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idl_paths.add(idl_path)
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print_cpp(idl, fd, conf, e)
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return idl_paths
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def attributeVariableTypeAndName(a):
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if a.realtype.nativeType('in').endswith('*'):
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l = ["nsCOMPtr<%s> m%s;" % (a.realtype.nativeType('in').strip('* '),
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firstCap(a.name))]
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elif a.realtype.nativeType('in').count("nsAString"):
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l = ["nsString m%s;" % firstCap(a.name)]
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elif a.realtype.nativeType('in').count("nsACString"):
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l = ["nsCString m%s;" % firstCap(a.name)]
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else:
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l = ["%sm%s;" % (a.realtype.nativeType('in'),
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firstCap(a.name))]
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return ", ".join(l)
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def writeAttributeGetter(fd, classname, a):
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fd.write("NS_IMETHODIMP\n")
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fd.write("%s::Get%s(" % (classname, firstCap(a.name)))
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if a.realtype.nativeType('in').endswith('*'):
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fd.write("%s** a%s" % (a.realtype.nativeType('in').strip('* '), firstCap(a.name)))
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elif a.realtype.nativeType('in').count("nsAString"):
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fd.write("nsAString& a%s" % firstCap(a.name))
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elif a.realtype.nativeType('in').count("nsACString"):
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fd.write("nsACString& a%s" % firstCap(a.name))
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else:
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fd.write("%s*a%s" % (a.realtype.nativeType('in'), firstCap(a.name)))
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fd.write(")\n");
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fd.write("{\n");
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if a.realtype.nativeType('in').endswith('*'):
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fd.write(" NS_IF_ADDREF(*a%s = m%s);\n" % (firstCap(a.name), firstCap(a.name)))
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elif a.realtype.nativeType('in').count("nsAString"):
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fd.write(" a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
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elif a.realtype.nativeType('in').count("nsACString"):
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fd.write(" a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
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else:
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fd.write(" *a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
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fd.write(" return NS_OK;\n");
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fd.write("}\n\n");
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def interfaces(iface):
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interfaces = []
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while iface.base:
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interfaces.append(iface)
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iface = iface.idl.getName(iface.base, iface.location)
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interfaces.append(iface)
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interfaces.reverse()
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return interfaces
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def allAttributes(iface):
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attributes = []
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for i in interfaces(iface):
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attrs = filter(lambda m: isinstance(m, xpidl.Attribute), i.members)
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attributes.extend(attrs)
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return attributes
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def write_cpp(eventname, iface, fd):
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classname = "xpcAcc%s" % eventname
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attributes = allAttributes(iface)
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ccattributes = filter(lambda m: m.realtype.nativeType('in').endswith('*'), attributes)
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fd.write("NS_IMPL_CYCLE_COLLECTION(%s" % classname)
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for c in ccattributes:
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fd.write(", m%s" % firstCap(c.name))
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fd.write(")\n\n");
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fd.write("NS_IMPL_CYCLE_COLLECTING_ADDREF(%s)\n" % classname)
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fd.write("NS_IMPL_CYCLE_COLLECTING_RELEASE(%s)\n\n" % classname)
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fd.write("NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(%s)\n" % classname)
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for baseiface in interfaces(iface):
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fd.write(" NS_INTERFACE_MAP_ENTRY(%s)\n" % baseiface.name)
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fd.write("NS_INTERFACE_MAP_END\n\n")
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for a in attributes:
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writeAttributeGetter(fd, classname, a)
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def main():
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from argparse import ArgumentParser
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o = ArgumentParser()
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o.add_argument('-I', action='append', dest='incdirs', default=['.'],
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help="Directory to search for imported files")
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o.add_argument('config',
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help='Config file to load')
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o.add_argument('header_output', metavar='FILE',
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help="Quick stub header output file")
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o.add_argument('stub_output', metavar='FILE',
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help="C++ source output file")
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o.add_argument('makedepend_output', metavar='FILE',
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help="gnumake dependencies output file")
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global options
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options = o.parse_args()
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# Instantiate the parser.
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global p
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p = xpidl.IDLParser()
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conf = readConfigFile(options.config)
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with FileAvoidWrite(options.header_output) as fh:
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idl_paths = print_header_file(fh, conf)
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with FileAvoidWrite(options.stub_output) as fh:
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idl_paths |= print_cpp_file(fh, conf)
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with FileAvoidWrite(options.makedepend_output) as fh:
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write_dep_makefile(fh, options.stub_output, idl_paths)
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if __name__ == '__main__':
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main()
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