1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/accessible/src/xpcom/AccEventGen.py Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,240 @@
1.4 +#!/usr/bin/env python
1.5 +#
1.6 +# This Source Code Form is subject to the terms of the Mozilla Public
1.7 +# License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 +# file, You can obtain one at http://mozilla.org/MPL/2.0/.
1.9 +
1.10 +import sys, os, xpidl, makeutils
1.11 +
1.12 +def findIDL(includePath, interfaceFileName):
1.13 + for d in includePath:
1.14 + # Not os.path.join: we need a forward slash even on Windows because
1.15 + # this filename ends up in makedepend output.
1.16 + path = d + '/' + interfaceFileName
1.17 + if os.path.exists(path):
1.18 + return path
1.19 + raise BaseException("No IDL file found for interface %s "
1.20 + "in include path %r"
1.21 + % (interfaceFileName, includePath))
1.22 +
1.23 +def loadEventIDL(parser, includePath, eventname):
1.24 + eventidl = ("nsIAccessible%s.idl" % eventname)
1.25 + idlFile = findIDL(includePath, eventidl)
1.26 + if not idlFile in makeutils.dependencies:
1.27 + makeutils.dependencies.append(idlFile)
1.28 + idl = p.parse(open(idlFile).read(), idlFile)
1.29 + idl.resolve(includePath, p)
1.30 + return idl
1.31 +
1.32 +class Configuration:
1.33 + def __init__(self, filename):
1.34 + config = {}
1.35 + execfile(filename, config)
1.36 + self.simple_events = config.get('simple_events', [])
1.37 +
1.38 +def readConfigFile(filename):
1.39 + return Configuration(filename)
1.40 +
1.41 +def firstCap(str):
1.42 + return str[0].upper() + str[1:]
1.43 +
1.44 +def writeAttributeParams(a):
1.45 + return ("%s a%s" % (a.realtype.nativeType('in'), firstCap(a.name)))
1.46 +
1.47 +def print_header_file(fd, conf):
1.48 + fd.write("/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n")
1.49 + fd.write("#ifndef _mozilla_a11y_generated_AccEvents_h_\n"
1.50 + "#define _mozilla_a11y_generated_AccEvents_h_\n\n")
1.51 + fd.write("#include \"nscore.h\"\n")
1.52 + fd.write("#include \"nsCOMPtr.h\"\n")
1.53 + fd.write("#include \"nsCycleCollectionParticipant.h\"\n")
1.54 + fd.write("#include \"nsString.h\"\n")
1.55 + for e in conf.simple_events:
1.56 + fd.write("#include \"nsIAccessible%s.h\"\n" % e)
1.57 + for e in conf.simple_events:
1.58 + idl = loadEventIDL(p, options.incdirs, e)
1.59 + for iface in filter(lambda p: p.kind == "interface", idl.productions):
1.60 + classname = ("xpcAcc%s" % e)
1.61 + baseinterfaces = interfaces(iface)
1.62 +
1.63 + fd.write("\nclass %s MOZ_FINAL : public %s\n" % (classname, iface.name))
1.64 + fd.write("{\n")
1.65 + fd.write("public:\n")
1.66 +
1.67 + attributes = allAttributes(iface)
1.68 + args = map(writeAttributeParams, attributes)
1.69 + fd.write(" %s(%s) :\n" % (classname, ", ".join(args)))
1.70 +
1.71 + initializers = []
1.72 + for a in attributes:
1.73 + initializers.append("m%s(a%s)" % (firstCap(a.name), firstCap(a.name)))
1.74 + fd.write(" %s\n {}\n" % ", ".join(initializers))
1.75 + fd.write(" ~%s() {}\n\n" % classname)
1.76 + fd.write(" NS_DECL_CYCLE_COLLECTING_ISUPPORTS\n")
1.77 + fd.write(" NS_DECL_CYCLE_COLLECTION_CLASS(%s)\n" % (classname))
1.78 +
1.79 + for iface in filter(lambda i: i.name != "nsISupports", baseinterfaces):
1.80 + fd.write(" NS_DECL_%s\n" % iface.name.upper())
1.81 +
1.82 + fd.write("private:\n")
1.83 + for a in attributes:
1.84 + fd.write(" %s\n" % attributeVariableTypeAndName(a))
1.85 + fd.write("};\n\n")
1.86 +
1.87 + fd.write("#endif\n")
1.88 +
1.89 +def interfaceAttributeTypes(idl):
1.90 + ifaces = filter(lambda p: p.kind == "interface", idl.productions)
1.91 + attributes = []
1.92 + for i in ifaces:
1.93 + ifaceAttributes = allAttributes(i)
1.94 + attributes.extend(ifaceAttributes)
1.95 + ifaceAttrs = filter(lambda a: a.realtype.nativeType("in").endswith("*"), attributes)
1.96 + return map(lambda a: a.realtype.nativeType("in").strip(" *"), ifaceAttrs)
1.97 +
1.98 +def print_cpp(idl, fd, conf, eventname):
1.99 + for p in idl.productions:
1.100 + if p.kind == 'interface':
1.101 + write_cpp(eventname, p, fd)
1.102 +
1.103 +def print_cpp_file(fd, conf):
1.104 + fd.write("/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n\n")
1.105 + fd.write('#include "xpcAccEvents.h"\n')
1.106 +
1.107 + includes = []
1.108 + for e in conf.simple_events:
1.109 + if not e in includes:
1.110 + includes.append(("nsIAccessible%s" % e))
1.111 +
1.112 + types = []
1.113 + for e in conf.simple_events:
1.114 + idl = loadEventIDL(p, options.incdirs, e)
1.115 + types.extend(interfaceAttributeTypes(idl))
1.116 +
1.117 + for c in types:
1.118 + fd.write("#include \"%s.h\"\n" % c)
1.119 +
1.120 + fd.write("\n")
1.121 + for e in conf.simple_events:
1.122 + print_cpp(loadEventIDL(p, options.incdirs, e), fd, conf, e)
1.123 +
1.124 +def attributeVariableTypeAndName(a):
1.125 + if a.realtype.nativeType('in').endswith('*'):
1.126 + l = ["nsCOMPtr<%s> m%s;" % (a.realtype.nativeType('in').strip('* '),
1.127 + firstCap(a.name))]
1.128 + elif a.realtype.nativeType('in').count("nsAString"):
1.129 + l = ["nsString m%s;" % firstCap(a.name)]
1.130 + elif a.realtype.nativeType('in').count("nsACString"):
1.131 + l = ["nsCString m%s;" % firstCap(a.name)]
1.132 + else:
1.133 + l = ["%sm%s;" % (a.realtype.nativeType('in'),
1.134 + firstCap(a.name))]
1.135 + return ", ".join(l)
1.136 +
1.137 +def writeAttributeGetter(fd, classname, a):
1.138 + fd.write("NS_IMETHODIMP\n")
1.139 + fd.write("%s::Get%s(" % (classname, firstCap(a.name)))
1.140 + if a.realtype.nativeType('in').endswith('*'):
1.141 + fd.write("%s** a%s" % (a.realtype.nativeType('in').strip('* '), firstCap(a.name)))
1.142 + elif a.realtype.nativeType('in').count("nsAString"):
1.143 + fd.write("nsAString& a%s" % firstCap(a.name))
1.144 + elif a.realtype.nativeType('in').count("nsACString"):
1.145 + fd.write("nsACString& a%s" % firstCap(a.name))
1.146 + else:
1.147 + fd.write("%s*a%s" % (a.realtype.nativeType('in'), firstCap(a.name)))
1.148 + fd.write(")\n");
1.149 + fd.write("{\n");
1.150 + if a.realtype.nativeType('in').endswith('*'):
1.151 + fd.write(" NS_IF_ADDREF(*a%s = m%s);\n" % (firstCap(a.name), firstCap(a.name)))
1.152 + elif a.realtype.nativeType('in').count("nsAString"):
1.153 + fd.write(" a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
1.154 + elif a.realtype.nativeType('in').count("nsACString"):
1.155 + fd.write(" a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
1.156 + else:
1.157 + fd.write(" *a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
1.158 + fd.write(" return NS_OK;\n");
1.159 + fd.write("}\n\n");
1.160 +
1.161 +def interfaces(iface):
1.162 + interfaces = []
1.163 + while iface.base:
1.164 + interfaces.append(iface)
1.165 + iface = iface.idl.getName(iface.base, iface.location)
1.166 + interfaces.append(iface)
1.167 + interfaces.reverse()
1.168 + return interfaces
1.169 +
1.170 +def allAttributes(iface):
1.171 + attributes = []
1.172 + for i in interfaces(iface):
1.173 + attrs = filter(lambda m: isinstance(m, xpidl.Attribute), i.members)
1.174 + attributes.extend(attrs)
1.175 +
1.176 + return attributes
1.177 +
1.178 +def write_cpp(eventname, iface, fd):
1.179 + classname = "xpcAcc%s" % eventname
1.180 + attributes = allAttributes(iface)
1.181 + ccattributes = filter(lambda m: m.realtype.nativeType('in').endswith('*'), attributes)
1.182 + fd.write("NS_IMPL_CYCLE_COLLECTION(%s" % classname)
1.183 + for c in ccattributes:
1.184 + fd.write(", m%s" % firstCap(c.name))
1.185 + fd.write(")\n\n");
1.186 +
1.187 + fd.write("NS_IMPL_CYCLE_COLLECTING_ADDREF(%s)\n" % classname)
1.188 + fd.write("NS_IMPL_CYCLE_COLLECTING_RELEASE(%s)\n\n" % classname)
1.189 +
1.190 + fd.write("NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(%s)\n" % classname)
1.191 + for baseiface in interfaces(iface):
1.192 + fd.write(" NS_INTERFACE_MAP_ENTRY(%s)\n" % baseiface.name)
1.193 + fd.write("NS_INTERFACE_MAP_END\n\n")
1.194 +
1.195 + for a in attributes:
1.196 + writeAttributeGetter(fd, classname, a)
1.197 +
1.198 +
1.199 +def main():
1.200 + from optparse import OptionParser
1.201 + o = OptionParser(usage="usage: %prog [options] configfile")
1.202 + o.add_option('-I', action='append', dest='incdirs', default=['.'],
1.203 + help="Directory to search for imported files")
1.204 + o.add_option('-o', "--stub-output",
1.205 + type='string', dest='stub_output', default=None,
1.206 + help="C++ source output file", metavar="FILE")
1.207 + o.add_option('--header-output', type='string', default=None,
1.208 + help="Quick stub header output file", metavar="FILE")
1.209 + o.add_option('--makedepend-output', type='string', default=None,
1.210 + help="gnumake dependencies output file", metavar="FILE")
1.211 + o.add_option('--cachedir', dest='cachedir', default=None,
1.212 + help="Directory in which to cache lex/parse tables.")
1.213 + global options
1.214 + (options, filenames) = o.parse_args()
1.215 + if len(filenames) != 1:
1.216 + o.error("Exactly one config filename is needed.")
1.217 + filename = filenames[0]
1.218 +
1.219 + if options.cachedir is not None:
1.220 + if not os.path.isdir(options.cachedir):
1.221 + os.mkdir(options.cachedir)
1.222 + sys.path.append(options.cachedir)
1.223 +
1.224 + # Instantiate the parser.
1.225 + global p
1.226 + p = xpidl.IDLParser(outputdir=options.cachedir)
1.227 +
1.228 + conf = readConfigFile(filename)
1.229 +
1.230 + if options.stub_output is not None:
1.231 + makeutils.targets.append(options.stub_output)
1.232 + outfd = open(options.stub_output, 'w')
1.233 + print_cpp_file(outfd, conf)
1.234 + outfd.close()
1.235 + if options.makedepend_output is not None:
1.236 + makeutils.writeMakeDependOutput(options.makedepend_output)
1.237 + if options.header_output is not None:
1.238 + outfd = open(options.header_output, 'w')
1.239 + print_header_file(outfd, conf)
1.240 + outfd.close()
1.241 +
1.242 +if __name__ == '__main__':
1.243 + main()
