1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/xpconnect/src/event_impl_gen.py Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,744 @@
1.4 +#!/usr/bin/env python
1.5 +# header.py - Generate C++ header files from IDL.
1.6 +#
1.7 +# This Source Code Form is subject to the terms of the Mozilla Public
1.8 +# License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 +# file, You can obtain one at http://mozilla.org/MPL/2.0/.
1.10 +
1.11 +import sys, os, xpidl, makeutils
1.12 +
1.13 +def strip_end(text, suffix):
1.14 + if not text.endswith(suffix):
1.15 + return text
1.16 + return text[:-len(suffix)]
1.17 +
1.18 +def findIDL(includePath, interfaceFileName):
1.19 + for d in includePath:
1.20 + # Not os.path.join: we need a forward slash even on Windows because
1.21 + # this filename ends up in makedepend output.
1.22 + path = d + '/' + interfaceFileName
1.23 + if os.path.exists(path):
1.24 + return path
1.25 + raise BaseException("No IDL file found for interface %s "
1.26 + "in include path %r"
1.27 + % (interfaceFileName, includePath))
1.28 +
1.29 +eventFileNameToIdl = {};
1.30 +
1.31 +def loadIDL(parser, includePath, filename):
1.32 + global eventFileNameToIdl
1.33 + if filename in eventFileNameToIdl:
1.34 + return eventFileNameToIdl[filename]
1.35 +
1.36 + idlFile = findIDL(includePath, filename)
1.37 + if not idlFile in makeutils.dependencies:
1.38 + makeutils.dependencies.append(idlFile)
1.39 + idl = p.parse(open(idlFile).read(), idlFile)
1.40 + idl.resolve(includePath, p)
1.41 + eventFileNameToIdl[filename] = idl
1.42 + return idl
1.43 +
1.44 +def loadEventIDL(parser, includePath, eventname):
1.45 + eventidl = ("nsIDOM%s.idl" % eventname)
1.46 + return loadIDL(parser, includePath, eventidl)
1.47 +
1.48 +class Configuration:
1.49 + def __init__(self, filename):
1.50 + config = {}
1.51 + execfile(filename, config)
1.52 + self.simple_events = config.get('simple_events', [])
1.53 + self.special_includes = config.get('special_includes', [])
1.54 + self.exclude_automatic_type_include = config.get('exclude_automatic_type_include', [])
1.55 + self.xpidl_to_native = config.get('xpidl_to_native', [])
1.56 +
1.57 +def readConfigFile(filename):
1.58 + return Configuration(filename)
1.59 +
1.60 +def firstCap(str):
1.61 + return str[0].upper() + str[1:]
1.62 +
1.63 +def getBaseName(iface):
1.64 + return ("%s" % iface.base[6:])
1.65 +
1.66 +def print_header_file(fd, conf):
1.67 + fd.write("#ifndef _gen_mozilla_idl_generated_events_h_\n"
1.68 + "#define _gen_mozilla_idl_generated_events_h_\n\n")
1.69 + fd.write("/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n")
1.70 + fd.write("#include \"nscore.h\"\n")
1.71 + fd.write("class nsIDOMEvent;\n")
1.72 + fd.write("class nsPresContext;\n")
1.73 + fd.write("namespace mozilla {\n");
1.74 + fd.write("class WidgetEvent;\n")
1.75 + fd.write("namespace dom {\n");
1.76 + fd.write("class EventTarget;\n")
1.77 + fd.write("}\n");
1.78 + fd.write("}\n\n");
1.79 + for e in conf.simple_events:
1.80 + fd.write("nsresult\n")
1.81 + fd.write("NS_NewDOM%s(nsIDOMEvent** aInstance, " % e)
1.82 + fd.write("mozilla::dom::EventTarget* aOwner, ")
1.83 + fd.write("nsPresContext* aPresContext, mozilla::WidgetEvent* aEvent);\n")
1.84 +
1.85 + fd.write("\n#endif\n")
1.86 +
1.87 +def print_classes_file(fd, conf):
1.88 + fd.write("#ifndef _gen_mozilla_idl_generated_event_declarations_h_\n")
1.89 + fd.write("#define _gen_mozilla_idl_generated_event_declarations_h_\n\n")
1.90 +
1.91 + fd.write("#include \"mozilla/dom/Event.h\"\n");
1.92 + includes = []
1.93 + for s in conf.special_includes:
1.94 + if not s in includes:
1.95 + includes.append(strip_end(s, ".h"))
1.96 +
1.97 + for e in conf.simple_events:
1.98 + if not e in includes:
1.99 + includes.append(("nsIDOM%s" % e))
1.100 +
1.101 + attrnames = []
1.102 + for e in conf.simple_events:
1.103 + idl = loadEventIDL(p, options.incdirs, e)
1.104 + collect_names_and_non_primitive_attribute_types(idl, attrnames, includes)
1.105 +
1.106 + for c in includes:
1.107 + if not c in conf.exclude_automatic_type_include:
1.108 + fd.write("#include \"%s.h\"\n" % c)
1.109 +
1.110 + for e in conf.simple_events:
1.111 + fd.write('#include "mozilla/dom/%sBinding.h"\n' % e);
1.112 +
1.113 + fd.write("namespace mozilla {\n")
1.114 + fd.write("namespace dom {\n")
1.115 + for e in conf.simple_events:
1.116 + idl = loadEventIDL(p, options.incdirs, e)
1.117 + for pr in idl.productions:
1.118 + if pr.kind == 'interface':
1.119 + print_class_declaration(e, pr, fd, conf)
1.120 + fd.write("} // namespace dom\n")
1.121 + fd.write("} // namespace mozilla\n\n")
1.122 + fd.write("#endif\n");
1.123 +
1.124 +def print_class_declaration(eventname, iface, fd, conf):
1.125 + classname = ("%s" % eventname)
1.126 + basename = getBaseName(iface)
1.127 + attributes = []
1.128 + ccattributes = []
1.129 + for member in iface.members:
1.130 + if isinstance(member, xpidl.Attribute):
1.131 + attributes.append(member)
1.132 + if (member.realtype.nativeType('in').endswith('*')):
1.133 + ccattributes.append(member);
1.134 +
1.135 + baseinterfaces = []
1.136 + baseiface = iface.idl.getName(iface.base, iface.location)
1.137 + while baseiface.name != "nsIDOMEvent":
1.138 + baseinterfaces.append(baseiface)
1.139 + baseiface = baseiface.idl.getName(baseiface.base, baseiface.location)
1.140 + baseinterfaces.reverse()
1.141 +
1.142 + allattributes = []
1.143 + for baseiface in baseinterfaces:
1.144 + for member in baseiface.members:
1.145 + if isinstance(member, xpidl.Attribute):
1.146 + allattributes.append(member)
1.147 + allattributes.extend(attributes);
1.148 +
1.149 + fd.write("\nclass %s MOZ_FINAL : public %s, public %s\n" % (classname, basename, iface.name))
1.150 + fd.write("{\n")
1.151 + fd.write("public:\n")
1.152 + fd.write(" %s(mozilla::dom::EventTarget* aOwner, " % classname)
1.153 + fd.write("nsPresContext* aPresContext = nullptr, mozilla::WidgetEvent* aEvent = nullptr);\n");
1.154 + fd.write(" virtual ~%s();\n\n" % classname)
1.155 + fd.write(" NS_DECL_ISUPPORTS_INHERITED\n")
1.156 + fd.write(" NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(%s, %s)\n" % (classname, basename))
1.157 + fd.write(" NS_FORWARD_TO_EVENT\n")
1.158 +
1.159 + for baseiface in baseinterfaces:
1.160 + baseimpl = ("%s" % baseiface.name[6:])
1.161 + fd.write(" NS_FORWARD_%s(%s::)\n" % (baseiface.name.upper(), baseimpl))
1.162 +
1.163 + fd.write(" NS_DECL_%s\n" % iface.name.upper())
1.164 +
1.165 + hasVariant = False
1.166 + for a in allattributes:
1.167 + if a.type == "nsIVariant":
1.168 + hasVariant = True
1.169 + break;
1.170 + fd.write(" static already_AddRefed<%s> Constructor(const GlobalObject& aGlobal, " % eventname)
1.171 + if hasVariant:
1.172 + fd.write("JSContext* aCx, ")
1.173 + fd.write("const nsAString& aType, ")
1.174 + fd.write("const %sInit& aParam, " % eventname)
1.175 + fd.write("ErrorResult& aRv);\n\n")
1.176 +
1.177 + fd.write(" virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE\n")
1.178 + fd.write(" {\n")
1.179 + fd.write(" return mozilla::dom::%sBinding::Wrap(aCx, this);\n" % eventname)
1.180 + fd.write(" }\n\n")
1.181 +
1.182 + for a in attributes:
1.183 + """xpidl methods take care of string member variables!"""
1.184 + firstCapName = firstCap(a.name)
1.185 + cleanNativeType = a.realtype.nativeType('in').strip('* ')
1.186 + if a.realtype.nativeType('in').count("nsAString"):
1.187 + continue
1.188 + elif a.realtype.nativeType('in').count("nsIVariant"):
1.189 + fd.write(" void Get%s(JSContext* aCx, JS::MutableHandle<JS::Value> aRetval, ErrorResult& aRv);\n\n" % firstCapName);
1.190 + elif a.realtype.nativeType('in').endswith('*'):
1.191 + fd.write(" already_AddRefed<%s> Get%s()\n" % (xpidl_to_native(cleanNativeType, conf), firstCapName))
1.192 + fd.write(" {\n");
1.193 + fd.write(" nsCOMPtr<%s> %s = do_QueryInterface(m%s);\n" % (xpidl_to_canonical(cleanNativeType, conf), a.name, firstCapName))
1.194 + fd.write(" return %s.forget().downcast<%s>();\n" % (a.name, xpidl_to_native(cleanNativeType, conf)))
1.195 + fd.write(" }\n\n");
1.196 + else:
1.197 + fd.write(" %s %s()\n" % (cleanNativeType, firstCapName))
1.198 + fd.write(" {\n");
1.199 + fd.write(" return m%s;\n" % firstCapName)
1.200 + fd.write(" }\n\n");
1.201 +
1.202 + fd.write(" void ")
1.203 + fd.write("Init%s(" % eventname)
1.204 + if hasVariant:
1.205 + fd.write("JSContext* aCx, ")
1.206 + fd.write("const nsAString& aType, bool aCanBubble, bool aCancelable")
1.207 + for a in allattributes:
1.208 + writeNativeAttributeParams(fd, a, conf)
1.209 + fd.write(", ErrorResult& aRv);\n\n")
1.210 +
1.211 + fd.write("protected:\n")
1.212 + for a in attributes:
1.213 + fd.write(" %s\n" % attributeVariableTypeAndName(a))
1.214 + fd.write("};\n")
1.215 +
1.216 +def collect_names_and_non_primitive_attribute_types(idl, attrnames, forwards):
1.217 + for p in idl.productions:
1.218 + if p.kind == 'interface' or p.kind == 'dictionary':
1.219 + interfaces = []
1.220 + base = p.base
1.221 + baseiface = p
1.222 + while base is not None:
1.223 + baseiface = baseiface.idl.getName(baseiface.base, baseiface.location)
1.224 + interfaces.append(baseiface)
1.225 + base = baseiface.base
1.226 +
1.227 + interfaces.reverse()
1.228 + interfaces.append(p)
1.229 +
1.230 + for iface in interfaces:
1.231 + collect_names_and_non_primitive_attribute_types_from_interface(iface, attrnames, forwards)
1.232 +
1.233 +def collect_names_and_non_primitive_attribute_types_from_interface(iface, attrnames, forwards):
1.234 + for member in iface.members:
1.235 + if isinstance(member, xpidl.Attribute):
1.236 + if not member.name in attrnames:
1.237 + attrnames.append(member.name)
1.238 + if member.realtype.nativeType('in').endswith('*'):
1.239 + t = member.realtype.nativeType('in').strip('* ')
1.240 + if not t in forwards:
1.241 + forwards.append(t)
1.242 +
1.243 +def print_cpp(idl, fd, conf, eventname):
1.244 + for p in idl.productions:
1.245 + if p.kind == 'interface':
1.246 + write_cpp(eventname, p, fd, conf)
1.247 +
1.248 +def print_cpp_file(fd, conf):
1.249 + fd.write("/* THIS FILE IS AUTOGENERATED - DO NOT EDIT */\n\n")
1.250 + fd.write('#include "GeneratedEventClasses.h"\n')
1.251 + fd.write('#include "xpcprivate.h"\n');
1.252 + fd.write('#include "mozilla/dom/Event.h"\n');
1.253 + fd.write('#include "mozilla/dom/EventTarget.h"\n');
1.254 +
1.255 + for e in conf.simple_events:
1.256 + idl = loadEventIDL(p, options.incdirs, e)
1.257 + print_cpp(idl, fd, conf, e)
1.258 +
1.259 +def init_value(attribute):
1.260 + realtype = attribute.realtype.nativeType('in')
1.261 + realtype = realtype.strip(' ')
1.262 + if realtype.endswith('*'):
1.263 + return "nullptr"
1.264 + if realtype == "bool":
1.265 + return "false"
1.266 + if realtype.count("nsAString"):
1.267 + return ""
1.268 + if realtype.count("nsACString"):
1.269 + return ""
1.270 + if realtype.count("JS::Value"):
1.271 + raise BaseException("JS::Value not supported in simple events!")
1.272 + return "0"
1.273 +
1.274 +def attributeVariableTypeAndName(a):
1.275 + if a.realtype.nativeType('in').endswith('*'):
1.276 + l = ["nsCOMPtr<%s> m%s;" % (a.realtype.nativeType('in').strip('* '),
1.277 + firstCap(a.name))]
1.278 + elif a.realtype.nativeType('in').count("nsAString"):
1.279 + l = ["nsString m%s;" % firstCap(a.name)]
1.280 + elif a.realtype.nativeType('in').count("nsACString"):
1.281 + l = ["nsCString m%s;" % firstCap(a.name)]
1.282 + else:
1.283 + l = ["%sm%s;" % (a.realtype.nativeType('in'),
1.284 + firstCap(a.name))]
1.285 + return ", ".join(l)
1.286 +
1.287 +def writeAttributeGetter(fd, classname, a):
1.288 + fd.write("NS_IMETHODIMP\n")
1.289 + fd.write("%s::Get%s(" % (classname, firstCap(a.name)))
1.290 + if a.realtype.nativeType('in').endswith('*'):
1.291 + fd.write("%s** a%s" % (a.realtype.nativeType('in').strip('* '), firstCap(a.name)))
1.292 + elif a.realtype.nativeType('in').count("nsAString"):
1.293 + fd.write("nsAString& a%s" % firstCap(a.name))
1.294 + elif a.realtype.nativeType('in').count("nsACString"):
1.295 + fd.write("nsACString& a%s" % firstCap(a.name))
1.296 + else:
1.297 + fd.write("%s*a%s" % (a.realtype.nativeType('in'), firstCap(a.name)))
1.298 + fd.write(")\n");
1.299 + fd.write("{\n");
1.300 + if a.realtype.nativeType('in').endswith('*'):
1.301 + fd.write(" NS_IF_ADDREF(*a%s = m%s);\n" % (firstCap(a.name), firstCap(a.name)))
1.302 + elif a.realtype.nativeType('in').count("nsAString"):
1.303 + fd.write(" a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
1.304 + elif a.realtype.nativeType('in').count("nsACString"):
1.305 + fd.write(" a%s = m%s;\n" % (firstCap(a.name), firstCap(a.name)))
1.306 + else:
1.307 + fd.write(" *a%s = %s();\n" % (firstCap(a.name), firstCap(a.name)))
1.308 + fd.write(" return NS_OK;\n");
1.309 + fd.write("}\n\n");
1.310 + if a.realtype.nativeType('in').count("nsIVariant"):
1.311 + fd.write("void\n")
1.312 + fd.write("%s::Get%s(JSContext* aCx, JS::MutableHandle<JS::Value> aRetval, ErrorResult& aRv)\n" % (classname, firstCap(a.name)))
1.313 + fd.write("{\n")
1.314 + fd.write(" nsresult rv = NS_ERROR_UNEXPECTED;\n")
1.315 + fd.write(" if (!m%s) {\n" % firstCap(a.name))
1.316 + fd.write(" aRetval.setNull();\n")
1.317 + fd.write(" } else if (!XPCVariant::VariantDataToJS(m%s, &rv, aRetval)) {\n" % (firstCap(a.name)))
1.318 + fd.write(" aRv.Throw(NS_ERROR_FAILURE);\n")
1.319 + fd.write(" }\n")
1.320 + fd.write("}\n\n")
1.321 +
1.322 +def writeAttributeParams(fd, a):
1.323 + if a.realtype.nativeType('in').endswith('*'):
1.324 + fd.write(", %s* a%s" % (a.realtype.nativeType('in').strip('* '), firstCap(a.name)))
1.325 + elif a.realtype.nativeType('in').count("nsAString"):
1.326 + fd.write(", const nsAString& a%s" % firstCap(a.name))
1.327 + elif a.realtype.nativeType('in').count("nsACString"):
1.328 + fd.write(", const nsACString& a%s" % firstCap(a.name))
1.329 + else:
1.330 + fd.write(", %s a%s" % (a.realtype.nativeType('in'), firstCap(a.name)))
1.331 +
1.332 +def writeNativeAttributeParams(fd, a, conf):
1.333 + if a.type == "nsIVariant":
1.334 + fd.write(", JS::Value a%s" % firstCap(a.name));
1.335 + elif a.realtype.nativeType('in').endswith('*'):
1.336 + fd.write(", %s* a%s" % (xpidl_to_native(a.realtype.nativeType('in').strip('* '), conf), firstCap(a.name)))
1.337 + elif a.realtype.nativeType('in').count("nsAString"):
1.338 + fd.write(", const nsAString& a%s" % firstCap(a.name))
1.339 + elif a.realtype.nativeType('in').count("nsACString"):
1.340 + fd.write(", const nsACString& a%s" % firstCap(a.name))
1.341 + else:
1.342 + fd.write(", %s a%s" % (a.realtype.nativeType('in'), firstCap(a.name)))
1.343 +
1.344 +def write_cpp(eventname, iface, fd, conf):
1.345 + classname = ("%s" % eventname)
1.346 + basename = getBaseName(iface)
1.347 + attributes = []
1.348 + ccattributes = []
1.349 + for member in iface.members:
1.350 + if isinstance(member, xpidl.Attribute):
1.351 + attributes.append(member)
1.352 + if (member.realtype.nativeType('in').endswith('*')):
1.353 + ccattributes.append(member);
1.354 +
1.355 + baseinterfaces = []
1.356 + baseiface = iface.idl.getName(iface.base, iface.location)
1.357 + while baseiface.name != "nsIDOMEvent":
1.358 + baseinterfaces.append(baseiface)
1.359 + baseiface = baseiface.idl.getName(baseiface.base, baseiface.location)
1.360 + baseinterfaces.reverse()
1.361 +
1.362 + baseattributes = []
1.363 + for baseiface in baseinterfaces:
1.364 + for member in baseiface.members:
1.365 + if isinstance(member, xpidl.Attribute):
1.366 + baseattributes.append(member)
1.367 +
1.368 + allattributes = []
1.369 + allattributes.extend(baseattributes);
1.370 + allattributes.extend(attributes);
1.371 +
1.372 + fd.write("namespace mozilla {\n")
1.373 + fd.write("namespace dom {\n\n")
1.374 +
1.375 + fd.write("%s::%s(mozilla::dom::EventTarget* aOwner, " % (classname, classname))
1.376 + fd.write("nsPresContext* aPresContext, mozilla::WidgetEvent* aEvent)\n");
1.377 + fd.write(": %s(aOwner, aPresContext, aEvent)" % basename)
1.378 + for a in attributes:
1.379 + fd.write(",\n m%s(%s)" % (firstCap(a.name), init_value(a)))
1.380 + fd.write("\n{\n")
1.381 + fd.write("}\n\n")
1.382 +
1.383 + fd.write("%s::~%s() {}\n\n" % (classname, classname))
1.384 +
1.385 + fd.write("NS_IMPL_CYCLE_COLLECTION_CLASS(%s)\n" % (classname))
1.386 + fd.write("NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(%s, %s)\n" % (classname, basename))
1.387 + for c in ccattributes:
1.388 + fd.write(" NS_IMPL_CYCLE_COLLECTION_UNLINK(m%s)\n" % firstCap(c.name))
1.389 + fd.write("NS_IMPL_CYCLE_COLLECTION_UNLINK_END\n\n");
1.390 + fd.write("NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(%s, %s)\n" % (classname, basename))
1.391 + for c in ccattributes:
1.392 + fd.write(" NS_IMPL_CYCLE_COLLECTION_TRAVERSE(m%s)\n" % firstCap(c.name))
1.393 + fd.write("NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END\n\n");
1.394 +
1.395 + fd.write("NS_IMPL_ADDREF_INHERITED(%s, %s)\n" % (classname, basename))
1.396 + fd.write("NS_IMPL_RELEASE_INHERITED(%s, %s)\n\n" % (classname, basename))
1.397 +
1.398 + fd.write("NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(%s)\n" % classname)
1.399 + fd.write(" NS_INTERFACE_MAP_ENTRY(nsIDOM%s)\n" % eventname)
1.400 + fd.write("NS_INTERFACE_MAP_END_INHERITING(%s)\n\n" % basename)
1.401 +
1.402 + hasVariant = False
1.403 + for a in allattributes:
1.404 + if a.type == "nsIVariant":
1.405 + hasVariant = True
1.406 + break;
1.407 +
1.408 + fd.write("already_AddRefed<%s>\n" % eventname)
1.409 + fd.write("%s::Constructor(const GlobalObject& aGlobal, " % eventname)
1.410 + if hasVariant:
1.411 + fd.write("JSContext* aCx, ");
1.412 + fd.write("const nsAString& aType, ")
1.413 + fd.write("const %sInit& aParam, " % eventname)
1.414 + fd.write("ErrorResult& aRv)\n")
1.415 + fd.write("{\n")
1.416 + fd.write(" nsCOMPtr<mozilla::dom::EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());\n")
1.417 + fd.write(" nsRefPtr<%s> e = new %s(t, nullptr, nullptr);\n" % (eventname, eventname))
1.418 + fd.write(" bool trusted = e->Init(t);\n")
1.419 + fd.write(" e->Init%s(" % eventname)
1.420 + if hasVariant:
1.421 + fd.write("aCx, ");
1.422 + fd.write("aType, aParam.mBubbles, aParam.mCancelable")
1.423 + for a in allattributes:
1.424 + fd.write(", aParam.m%s" % firstCap(a.name))
1.425 + fd.write(", aRv);\n")
1.426 + fd.write(" e->SetTrusted(trusted);\n")
1.427 + fd.write(" return e.forget();\n")
1.428 + fd.write("}\n\n")
1.429 +
1.430 + fd.write("NS_IMETHODIMP\n")
1.431 + fd.write("%s::Init%s(" % (classname, eventname))
1.432 + fd.write("const nsAString& aType, bool aCanBubble, bool aCancelable")
1.433 + for a in allattributes:
1.434 + writeAttributeParams(fd, a)
1.435 + fd.write(")\n{\n")
1.436 + fd.write(" nsresult rv = %s::Init%s(aType, aCanBubble, aCancelable" % (basename, ("%s" % iface.base[6:])))
1.437 + for a in baseattributes:
1.438 + fd.write(", a%s" % firstCap(a.name))
1.439 + fd.write(");\n");
1.440 + fd.write(" NS_ENSURE_SUCCESS(rv, rv);\n")
1.441 + for a in attributes:
1.442 + if a.realtype.nativeType("in").count("nsAString"):
1.443 + fd.write(" if (!m%s.Assign(a%s, fallible_t())) {\n" % (firstCap(a.name), firstCap(a.name)))
1.444 + fd.write(" return NS_ERROR_OUT_OF_MEMORY;\n")
1.445 + fd.write(" }\n")
1.446 + else:
1.447 + fd.write(" m%s = a%s;\n" % (firstCap(a.name), firstCap(a.name)))
1.448 + fd.write(" return NS_OK;\n")
1.449 + fd.write("}\n\n")
1.450 +
1.451 + fd.write("void\n")
1.452 + fd.write("%s::Init%s(" % (classname, eventname))
1.453 + if hasVariant:
1.454 + fd.write("JSContext* aCx, ")
1.455 + fd.write("const nsAString& aType, bool aCanBubble, bool aCancelable")
1.456 + for a in allattributes:
1.457 + writeNativeAttributeParams(fd, a, conf)
1.458 + fd.write(", ErrorResult& aRv")
1.459 + fd.write(")\n")
1.460 + fd.write("{\n");
1.461 + for a in allattributes:
1.462 + if a.type == "nsIVariant":
1.463 + fd.write(" nsCOMPtr<nsIVariant> %s = dont_AddRef(XPCVariant::newVariant(aCx, a%s));\n" % (a.name, firstCap(a.name)))
1.464 + fd.write(" if (!%s) {\n" % a.name)
1.465 + fd.write(" aRv.Throw(NS_ERROR_FAILURE);\n")
1.466 + fd.write(" return;\n")
1.467 + fd.write(" }\n")
1.468 + elif a.realtype.nativeType('in').endswith('*'):
1.469 + xpidl_t = a.realtype.nativeType('in').strip('* ')
1.470 + native_t = xpidl_to_native(xpidl_t, conf)
1.471 + if xpidl_t != native_t:
1.472 + fd.write(" nsCOMPtr<%s> %s = do_QueryInterface(static_cast<%s*>(a%s));\n" % (xpidl_t, a.name, xpidl_to_canonical(xpidl_t, conf), firstCap(a.name)))
1.473 + fd.write(" aRv = Init%s(" % classname);
1.474 + fd.write("aType, aCanBubble, aCancelable")
1.475 + for a in allattributes:
1.476 + if a.realtype.nativeType('in').endswith('*'):
1.477 + xpidl_t = a.realtype.nativeType('in').strip('* ')
1.478 + native_t = xpidl_to_native(xpidl_t, conf)
1.479 + if xpidl_t != native_t or a.type == "nsIVariant":
1.480 + fd.write(", %s" % a.name)
1.481 + continue
1.482 + fd.write(", a%s" % firstCap(a.name))
1.483 + fd.write(");\n}\n\n");
1.484 +
1.485 + for a in attributes:
1.486 + writeAttributeGetter(fd, classname, a)
1.487 +
1.488 + fd.write("} // namespace dom\n")
1.489 + fd.write("} // namespace mozilla\n\n")
1.490 +
1.491 + fd.write("nsresult\n")
1.492 + fd.write("NS_NewDOM%s(nsIDOMEvent** aInstance, " % eventname)
1.493 + fd.write("mozilla::dom::EventTarget* aOwner, nsPresContext* aPresContext = nullptr, mozilla::WidgetEvent* aEvent = nullptr)\n")
1.494 + fd.write("{\n")
1.495 + fd.write(" mozilla::dom::%s* it = new mozilla::dom::%s(aOwner, aPresContext, aEvent);\n" % (classname, classname))
1.496 + fd.write(" NS_ADDREF(it);\n")
1.497 + fd.write(" *aInstance = static_cast<mozilla::dom::Event*>(it);\n")
1.498 + fd.write(" return NS_OK;\n");
1.499 + fd.write("}\n\n")
1.500 +
1.501 +def toWebIDLType(attribute, inType=False, onlyInterface=False):
1.502 + if attribute.type == "nsIVariant":
1.503 + return "any";
1.504 + if attribute.type == "nsISupports":
1.505 + return "%s%s" % (attribute.type, "" if onlyInterface else "?")
1.506 + if attribute.type.count("nsIDOM"):
1.507 + return "%s%s" % (attribute.type[6:], "" if onlyInterface else "?")
1.508 + if attribute.type.count("nsI"):
1.509 + return "%s%s" % (attribute.type[3:], "" if onlyInterface else "?")
1.510 + if attribute.realtype.nativeType('in').endswith('*') or attribute.realtype.nativeType('in').count("nsAString"):
1.511 + return "%s%s" % (attribute.type, "" if onlyInterface else "?")
1.512 + return attribute.type
1.513 +
1.514 +def write_webidl(eventname, iface, fd, conf, idl):
1.515 + basename = ("%s" % iface.base[6:])
1.516 + attributes = []
1.517 + ccattributes = []
1.518 + consts = []
1.519 + hasInit = False
1.520 + initMethod = "init%s" % eventname;
1.521 + for member in iface.members:
1.522 + if isinstance(member, xpidl.Attribute):
1.523 + attributes.append(member)
1.524 + if (member.realtype.nativeType('in').endswith('*')):
1.525 + ccattributes.append(member);
1.526 + elif isinstance(member, xpidl.Method) and member.name == initMethod:
1.527 + if not member.noscript and not member.notxpcom:
1.528 + hasInit = True
1.529 + elif isinstance(member, xpidl.ConstMember):
1.530 + consts.append(member);
1.531 + else:
1.532 + raise BaseException("Unsupported idl member %s::%s" % (eventname, member.name))
1.533 +
1.534 + baseinterfaces = []
1.535 + baseiface = iface.idl.getName(iface.base, iface.location)
1.536 + while baseiface.name != "nsIDOMEvent":
1.537 + baseinterfaces.append(baseiface)
1.538 + baseiface = baseiface.idl.getName(baseiface.base, baseiface.location)
1.539 + baseinterfaces.reverse()
1.540 +
1.541 + allattributes = []
1.542 + for baseiface in baseinterfaces:
1.543 + for member in baseiface.members:
1.544 + if isinstance(member, xpidl.Attribute):
1.545 + allattributes.append(member)
1.546 + allattributes.extend(attributes)
1.547 +
1.548 + fd.write(
1.549 +"""/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.550 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.551 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.552 + * You can obtain one at http://mozilla.org/MPL/2.0/.
1.553 + */
1.554 +""")
1.555 +
1.556 + neededInterfaces = []
1.557 + for a in attributes:
1.558 + if a.realtype.nativeType('in').endswith('*'):
1.559 + nativeType = a.realtype.nativeType('in').strip('* ')
1.560 + mappingForWebIDL = False
1.561 + for xp in conf.xpidl_to_native:
1.562 + if xp[0] == nativeType:
1.563 + mappingForWebIDL = True
1.564 + break;
1.565 + if not mappingForWebIDL:
1.566 + webidlType = toWebIDLType(a, False, True)
1.567 + if (not webidlType in neededInterfaces and webidlType != "any"):
1.568 + neededInterfaces.append(webidlType);
1.569 +
1.570 + for i in neededInterfaces:
1.571 + fd.write("interface %s;\n" % i)
1.572 +
1.573 + fd.write("\n");
1.574 + fd.write("[Constructor(DOMString type, optional %sInit eventInitDict), HeaderFile=\"GeneratedEventClasses.h\"]\n" % eventname);
1.575 + fd.write("interface %s : %s\n" % (eventname, basename))
1.576 + fd.write("{\n")
1.577 +
1.578 + for c in consts:
1.579 + fd.write(" const %s %s = %s;\n" % (c.type, c.name, c.getValue()))
1.580 + if len(consts):
1.581 + fd.write("\n")
1.582 +
1.583 + for a in attributes:
1.584 + if a.realtype.nativeType('in').count("nsIVariant"):
1.585 + fd.write(" [Throws]\n")
1.586 + fd.write(" readonly attribute %s %s;\n" % (toWebIDLType(a), a.name))
1.587 + elif a.realtype.nativeType('in').endswith('*') or a.realtype.nativeType('in').count("nsAString"):
1.588 + fd.write(" readonly attribute %s %s;\n" % (toWebIDLType(a), a.name))
1.589 + else:
1.590 + fd.write(" readonly attribute %s %s;\n" % (a.type, a.name))
1.591 + if hasInit:
1.592 + fd.write("\n [Throws]\n")
1.593 + m = " void %s(" % initMethod
1.594 + fd.write(m)
1.595 + indent = "".join(" " for i in range(len(m)))
1.596 + indent = ",\n%s" % indent
1.597 + fd.write("DOMString type")
1.598 + fd.write(indent);
1.599 + fd.write("boolean canBubble")
1.600 + fd.write(indent);
1.601 + fd.write("boolean cancelable")
1.602 + for a in baseattributes + attributes:
1.603 + fd.write(indent);
1.604 + fd.write("%s %s" % (toWebIDLType(a, True), a.name))
1.605 + fd.write(");\n");
1.606 + fd.write("};\n\n")
1.607 +
1.608 + dname = "%sInit" % eventname
1.609 + for p in idl.productions:
1.610 + if p.kind == "dictionary" and p.name == dname:
1.611 + fd.write("dictionary %s : %sInit\n" % (dname, basename))
1.612 + fd.write("{\n")
1.613 + # We want to keep the same ordering what interface has.
1.614 + for ifaceattribute in attributes:
1.615 + for member in p.members:
1.616 + if member.name == ifaceattribute.name:
1.617 + a = member
1.618 + if a.realtype.nativeType('in').endswith('*'):
1.619 + fd.write(" %s %s = null;\n" % (toWebIDLType(a, True), a.name))
1.620 + elif a.realtype.nativeType('in').count("nsAString"):
1.621 + if a.defvalue is None:
1.622 + if a.nullable:
1.623 + fd.write(" %s? %s = null;\n" % (a.type, a.name))
1.624 + else:
1.625 + fd.write(" %s %s = \"\";\n" % (a.type, a.name))
1.626 + else:
1.627 + if a.nullable:
1.628 + fd.write(" %s? %s = \"%s\";\n" % (a.type, a.name, a.defvalue))
1.629 + else:
1.630 + fd.write(" %s %s = \"%s\";\n" % (a.type, a.name, a.defvalue))
1.631 + else:
1.632 + if a.defvalue is None:
1.633 + if a.type == "boolean":
1.634 + fd.write(" %s %s = false;\n" % (a.type, a.name))
1.635 + else:
1.636 + fd.write(" %s %s = 0;\n" % (a.type, a.name))
1.637 + # Infinity is not supported by all the types, but
1.638 + # WebIDL parser will then complain about the wrong values.
1.639 + elif a.defvalue == "Infinity":
1.640 + fd.write(" unrestricted %s %s = Infinity;\n" % (a.type, a.name))
1.641 + elif a.defvalue == "-Infinity":
1.642 + fd.write(" unrestricted %s %s = -Infinity;\n" % (a.type, a.name))
1.643 + else:
1.644 + fd.write(" %s %s = %s;\n" % (a.type, a.name, a.defvalue))
1.645 + continue
1.646 + fd.write("};\n")
1.647 + return
1.648 +
1.649 + # There is no dictionary defined in the .idl file. Generate one based on
1.650 + # the interface.
1.651 + fd.write("dictionary %s : %sInit\n" % (dname, basename))
1.652 + fd.write("{\n")
1.653 + for a in attributes:
1.654 + if a.realtype.nativeType('in').endswith('*'):
1.655 + fd.write(" %s %s = null;\n" % (toWebIDLType(a, True), a.name))
1.656 + elif a.realtype.nativeType('in').count("nsAString"):
1.657 + fd.write(" %s? %s = \"\";\n" % (a.type, a.name))
1.658 + elif a.type == "boolean":
1.659 + fd.write(" %s %s = false;\n" % (a.type, a.name))
1.660 + else:
1.661 + fd.write(" %s %s = 0;\n" % (a.type, a.name))
1.662 + fd.write("};\n")
1.663 +
1.664 +def print_webidl_file(idl, fd, conf, eventname):
1.665 + for p in idl.productions:
1.666 + if p.kind == 'interface':
1.667 + write_webidl(eventname, p, fd, conf, idl)
1.668 +
1.669 +def xpidl_to_native(xpidl, conf):
1.670 + for x in conf.xpidl_to_native:
1.671 + if x[0] == xpidl:
1.672 + return x[1]
1.673 + return xpidl
1.674 +
1.675 +def xpidl_to_canonical(xpidl, conf):
1.676 + for x in conf.xpidl_to_native:
1.677 + if x[0] == xpidl:
1.678 + return x[2]
1.679 + return xpidl
1.680 +
1.681 +def native_to_xpidl(native, conf):
1.682 + for x in conf.xpidl_to_native:
1.683 + if x[1] == native:
1.684 + return x[0]
1.685 + return native
1.686 +
1.687 +def print_webidl_files(webidlDir, conf):
1.688 + for e in conf.simple_events:
1.689 + idl = loadEventIDL(p, options.incdirs, e)
1.690 + webidl = "%s/%s.webidl" % (webidlDir, e)
1.691 + if not os.path.exists(webidl):
1.692 + fd = open(webidl, 'w')
1.693 + print_webidl_file(idl, fd, conf, e)
1.694 + fd.close();
1.695 +
1.696 +if __name__ == '__main__':
1.697 + from optparse import OptionParser
1.698 + o = OptionParser(usage="usage: %prog [options] configfile")
1.699 + o.add_option('-I', action='append', dest='incdirs', default=['.'],
1.700 + help="Directory to search for imported files")
1.701 + o.add_option('-o', "--stub-output",
1.702 + type='string', dest='stub_output', default=None,
1.703 + help="Quick stub C++ source output file", metavar="FILE")
1.704 + o.add_option('--header-output', type='string', default=None,
1.705 + help="Quick stub header output file", metavar="FILE")
1.706 + o.add_option('--makedepend-output', type='string', default=None,
1.707 + help="gnumake dependencies output file", metavar="FILE")
1.708 + o.add_option('--cachedir', dest='cachedir', default=None,
1.709 + help="Directory in which to cache lex/parse tables.")
1.710 + o.add_option('--class-declarations', type='string', default=None,
1.711 + help="Class declarations", metavar="FILE")
1.712 + o.add_option('--webidltarget', dest='webidltarget', default=None,
1.713 + help="Directory in which to store generated WebIDL files.")
1.714 + (options, filenames) = o.parse_args()
1.715 + if len(filenames) != 1:
1.716 + o.error("Exactly one config filename is needed.")
1.717 + filename = filenames[0]
1.718 +
1.719 + if options.cachedir is not None:
1.720 + if not os.path.isdir(options.cachedir):
1.721 + os.mkdir(options.cachedir)
1.722 + sys.path.append(options.cachedir)
1.723 +
1.724 + # Instantiate the parser.
1.725 + p = xpidl.IDLParser(outputdir=options.cachedir)
1.726 +
1.727 + conf = readConfigFile(filename)
1.728 +
1.729 + if options.header_output is not None:
1.730 + outfd = open(options.header_output, 'w')
1.731 + print_header_file(outfd, conf)
1.732 + outfd.close()
1.733 + if options.class_declarations is not None:
1.734 + outfd = open(options.class_declarations, 'w')
1.735 + print_classes_file(outfd, conf)
1.736 + outfd.close()
1.737 + if options.stub_output is not None:
1.738 + makeutils.targets.append(options.stub_output)
1.739 + outfd = open(options.stub_output, 'w')
1.740 + print_cpp_file(outfd, conf)
1.741 + outfd.close()
1.742 + if options.makedepend_output is not None:
1.743 + makeutils.writeMakeDependOutput(options.makedepend_output)
1.744 +
1.745 + if options.webidltarget is not None:
1.746 + print_webidl_files(options.webidltarget, conf)
1.747 +
