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257 lines
8.1 KiB
Python
Executable File
257 lines
8.1 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 os
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import buildconfig
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import mozpack.path as mozpath
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from xpidl import xpidl
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# Load the webidl configuration file.
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glbl = {}
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exec(
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open(
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mozpath.join(buildconfig.topsrcdir, "dom", "bindings", "Bindings.conf")
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).read(),
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glbl,
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)
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webidlconfig = glbl["DOMInterfaces"]
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# Instantiate the parser.
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p = xpidl.IDLParser()
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def findIDL(includePath, interfaceFileName):
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for d in includePath:
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path = mozpath.join(d, interfaceFileName)
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if os.path.exists(path):
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return path
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raise BaseException(
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"No IDL file found for interface %s "
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"in include path %r" % (interfaceFileName, includePath)
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)
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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, webidlconfig)
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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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exec(open(filename).read(), config)
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self.simple_events = config.get("simple_events", [])
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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, incdirs):
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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(
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"#ifndef _mozilla_a11y_generated_AccEvents_h_\n"
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"#define _mozilla_a11y_generated_AccEvents_h_\n\n"
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)
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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, 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 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, incdirs):
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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 e not 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, 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, 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 = [
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"nsCOMPtr<%s> m%s;"
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% (a.realtype.nativeType("in").strip("* "), firstCap(a.name))
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]
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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"), 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(
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"%s** a%s" % (a.realtype.nativeType("in").strip("* "), firstCap(a.name))
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)
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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(xpidl.TypeId(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(
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lambda m: m.realtype.nativeType("in").endswith("*"), attributes
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)
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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 get_conf(conf_file):
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conf = Configuration(conf_file)
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inc_dir = [
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mozpath.join(buildconfig.topsrcdir, "accessible", "interfaces"),
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mozpath.join(buildconfig.topsrcdir, "xpcom", "base"),
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]
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return conf, inc_dir
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def gen_files(fd, conf_file):
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deps = set()
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conf, inc_dir = get_conf(conf_file)
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deps.update(print_header_file(fd, conf, inc_dir))
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with open(
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os.path.join(os.path.dirname(fd.name), "xpcAccEvents.cpp"), "w"
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) as cpp_fd:
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deps.update(print_cpp_file(cpp_fd, conf, inc_dir))
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return deps
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