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author | Corey Farwell <coreyf@rwell.org> | 2015-07-09 07:09:52 +0900 |
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committer | Corey Farwell <coreyf@rwell.org> | 2015-07-09 07:25:14 +0900 |
commit | 1ce089abf47e9aa62e862c9e1d875727c4297c07 (patch) | |
tree | e37d94ca816b35e5015515b7efb86968a9270bba /components/script/dom/bindings/codegen/BindingUtils.cpp | |
parent | 805232a85e401f1a07635da894c8e7d05fed4ce9 (diff) | |
download | servo-1ce089abf47e9aa62e862c9e1d875727c4297c07.tar.gz servo-1ce089abf47e9aa62e862c9e1d875727c4297c07.zip |
Remove unused files in 'script/dom/bindings/'
As per this conversation:
https://github.com/servo/servo/pull/6580
Diffstat (limited to 'components/script/dom/bindings/codegen/BindingUtils.cpp')
-rw-r--r-- | components/script/dom/bindings/codegen/BindingUtils.cpp | 633 |
1 files changed, 0 insertions, 633 deletions
diff --git a/components/script/dom/bindings/codegen/BindingUtils.cpp b/components/script/dom/bindings/codegen/BindingUtils.cpp deleted file mode 100644 index 27ac92e3596..00000000000 --- a/components/script/dom/bindings/codegen/BindingUtils.cpp +++ /dev/null @@ -1,633 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ -/* vim: set ts=2 sw=2 et tw=79: */ -/* 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/. */ - -#include <stdarg.h> - -#include "BindingUtils.h" - -#include "WrapperFactory.h" -#include "xpcprivate.h" -#include "XPCQuickStubs.h" - -namespace mozilla { -namespace dom { - -JSErrorFormatString ErrorFormatString[] = { -#define MSG_DEF(_name, _argc, _str) \ - { _str, _argc, JSEXN_TYPEERR }, -#include "mozilla/dom/Errors.msg" -#undef MSG_DEF -}; - -const JSErrorFormatString* -GetErrorMessage(void* aUserRef, const char* aLocale, - const unsigned aErrorNumber) -{ - MOZ_ASSERT(aErrorNumber < ArrayLength(ErrorFormatString)); - return &ErrorFormatString[aErrorNumber]; -} - -bool -ThrowErrorMessage(JSContext* aCx, const ErrNum aErrorNumber, ...) -{ - va_list ap; - va_start(ap, aErrorNumber); - JS_ReportErrorNumberVA(aCx, GetErrorMessage, NULL, - static_cast<const unsigned>(aErrorNumber), ap); - va_end(ap); - return false; -} - -bool -DefineConstants(JSContext* cx, JSObject* obj, ConstantSpec* cs) -{ - for (; cs->name; ++cs) { - JSBool ok = - JS_DefineProperty(cx, obj, cs->name, cs->value, NULL, NULL, - JSPROP_ENUMERATE | JSPROP_READONLY | JSPROP_PERMANENT); - if (!ok) { - return false; - } - } - return true; -} - -static inline bool -Define(JSContext* cx, JSObject* obj, JSFunctionSpec* spec) { - return JS_DefineFunctions(cx, obj, spec); -} -static inline bool -Define(JSContext* cx, JSObject* obj, JSPropertySpec* spec) { - return JS_DefineProperties(cx, obj, spec); -} -static inline bool -Define(JSContext* cx, JSObject* obj, ConstantSpec* spec) { - return DefineConstants(cx, obj, spec); -} - -template<typename T> -bool -DefinePrefable(JSContext* cx, JSObject* obj, Prefable<T>* props) -{ - MOZ_ASSERT(props); - MOZ_ASSERT(props->specs); - do { - // Define if enabled - if (props->enabled) { - if (!Define(cx, obj, props->specs)) { - return false; - } - } - } while ((++props)->specs); - return true; -} - -// We should use JSFunction objects for interface objects, but we need a custom -// hasInstance hook because we have new interface objects on prototype chains of -// old (XPConnect-based) bindings. Because Function.prototype.toString throws if -// passed a non-Function object we also need to provide our own toString method -// for interface objects. - -enum { - TOSTRING_CLASS_RESERVED_SLOT = 0, - TOSTRING_NAME_RESERVED_SLOT = 1 -}; - -JSBool -InterfaceObjectToString(JSContext* cx, unsigned argc, JS::Value *vp) -{ - JSObject* callee = JSVAL_TO_OBJECT(JS_CALLEE(cx, vp)); - - JSObject* obj = JS_THIS_OBJECT(cx, vp); - if (!obj) { - JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_CANT_CONVERT_TO, - "null", "object"); - return false; - } - - jsval v = js::GetFunctionNativeReserved(callee, TOSTRING_CLASS_RESERVED_SLOT); - JSClass* clasp = static_cast<JSClass*>(JSVAL_TO_PRIVATE(v)); - - v = js::GetFunctionNativeReserved(callee, TOSTRING_NAME_RESERVED_SLOT); - JSString* jsname = static_cast<JSString*>(JSVAL_TO_STRING(v)); - size_t length; - const jschar* name = JS_GetInternedStringCharsAndLength(jsname, &length); - - if (js::GetObjectJSClass(obj) != clasp) { - JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL, JSMSG_INCOMPATIBLE_PROTO, - NS_ConvertUTF16toUTF8(name).get(), "toString", - "object"); - return false; - } - - nsString str; - str.AppendLiteral("function "); - str.Append(name, length); - str.AppendLiteral("() {"); - str.Append('\n'); - str.AppendLiteral(" [native code]"); - str.Append('\n'); - str.AppendLiteral("}"); - - return xpc::NonVoidStringToJsval(cx, str, vp); -} - -static JSObject* -CreateInterfaceObject(JSContext* cx, JSObject* global, JSObject* receiver, - JSClass* constructorClass, JSNative constructorNative, - unsigned ctorNargs, JSObject* proto, - Prefable<JSFunctionSpec>* staticMethods, - Prefable<ConstantSpec>* constants, - const char* name) -{ - JSObject* constructor; - if (constructorClass) { - JSObject* functionProto = JS_GetFunctionPrototype(cx, global); - if (!functionProto) { - return NULL; - } - constructor = JS_NewObject(cx, constructorClass, functionProto, global); - } else { - MOZ_ASSERT(constructorNative); - JSFunction* fun = JS_NewFunction(cx, constructorNative, ctorNargs, - JSFUN_CONSTRUCTOR, global, name); - if (!fun) { - return NULL; - } - constructor = JS_GetFunctionObject(fun); - } - if (!constructor) { - return NULL; - } - - if (staticMethods && !DefinePrefable(cx, constructor, staticMethods)) { - return NULL; - } - - if (constructorClass) { - JSFunction* toString = js::DefineFunctionWithReserved(cx, constructor, - "toString", - InterfaceObjectToString, - 0, 0); - if (!toString) { - return NULL; - } - - JSObject* toStringObj = JS_GetFunctionObject(toString); - js::SetFunctionNativeReserved(toStringObj, TOSTRING_CLASS_RESERVED_SLOT, - PRIVATE_TO_JSVAL(constructorClass)); - - JSString *str = ::JS_InternString(cx, name); - if (!str) { - return NULL; - } - js::SetFunctionNativeReserved(toStringObj, TOSTRING_NAME_RESERVED_SLOT, - STRING_TO_JSVAL(str)); - } - - if (constants && !DefinePrefable(cx, constructor, constants)) { - return NULL; - } - - if (proto && !JS_LinkConstructorAndPrototype(cx, constructor, proto)) { - return NULL; - } - - JSBool alreadyDefined; - if (!JS_AlreadyHasOwnProperty(cx, receiver, name, &alreadyDefined)) { - return NULL; - } - - // This is Enumerable: False per spec. - if (!alreadyDefined && - !JS_DefineProperty(cx, receiver, name, OBJECT_TO_JSVAL(constructor), NULL, - NULL, 0)) { - return NULL; - } - - return constructor; -} - -static JSObject* -CreateInterfacePrototypeObject(JSContext* cx, JSObject* global, - JSObject* parentProto, JSClass* protoClass, - Prefable<JSFunctionSpec>* methods, - Prefable<JSPropertySpec>* properties, - Prefable<ConstantSpec>* constants) -{ - JSObject* ourProto = JS_NewObjectWithUniqueType(cx, protoClass, parentProto, - global); - if (!ourProto) { - return NULL; - } - - if (methods && !DefinePrefable(cx, ourProto, methods)) { - return NULL; - } - - if (properties && !DefinePrefable(cx, ourProto, properties)) { - return NULL; - } - - if (constants && !DefinePrefable(cx, ourProto, constants)) { - return NULL; - } - - return ourProto; -} - -JSObject* -CreateInterfaceObjects(JSContext* cx, JSObject* global, JSObject *receiver, - JSObject* protoProto, JSClass* protoClass, - JSClass* constructorClass, JSNative constructor, - unsigned ctorNargs, const DOMClass* domClass, - Prefable<JSFunctionSpec>* methods, - Prefable<JSPropertySpec>* properties, - Prefable<ConstantSpec>* constants, - Prefable<JSFunctionSpec>* staticMethods, const char* name) -{ - MOZ_ASSERT(protoClass || constructorClass || constructor, - "Need at least one class or a constructor!"); - MOZ_ASSERT(!(methods || properties) || protoClass, - "Methods or properties but no protoClass!"); - MOZ_ASSERT(!staticMethods || constructorClass || constructor, - "Static methods but no constructorClass or constructor!"); - MOZ_ASSERT(bool(name) == bool(constructorClass || constructor), - "Must have name precisely when we have an interface object"); - MOZ_ASSERT(!constructorClass || !constructor); - - JSObject* proto; - if (protoClass) { - proto = CreateInterfacePrototypeObject(cx, global, protoProto, protoClass, - methods, properties, constants); - if (!proto) { - return NULL; - } - - js::SetReservedSlot(proto, DOM_PROTO_INSTANCE_CLASS_SLOT, - JS::PrivateValue(const_cast<DOMClass*>(domClass))); - } - else { - proto = NULL; - } - - JSObject* interface; - if (constructorClass || constructor) { - interface = CreateInterfaceObject(cx, global, receiver, constructorClass, - constructor, ctorNargs, proto, - staticMethods, constants, name); - if (!interface) { - return NULL; - } - } - - return protoClass ? proto : interface; -} - -static bool -NativeInterface2JSObjectAndThrowIfFailed(XPCLazyCallContext& aLccx, - JSContext* aCx, - JS::Value* aRetval, - xpcObjectHelper& aHelper, - const nsIID* aIID, - bool aAllowNativeWrapper) -{ - nsresult rv; - if (!XPCConvert::NativeInterface2JSObject(aLccx, aRetval, NULL, aHelper, aIID, - NULL, aAllowNativeWrapper, &rv)) { - // I can't tell if NativeInterface2JSObject throws JS exceptions - // or not. This is a sloppy stab at the right semantics; the - // method really ought to be fixed to behave consistently. - if (!JS_IsExceptionPending(aCx)) { - Throw<true>(aCx, NS_FAILED(rv) ? rv : NS_ERROR_UNEXPECTED); - } - return false; - } - return true; -} - -bool -DoHandleNewBindingWrappingFailure(JSContext* cx, JSObject* scope, - nsISupports* value, JS::Value* vp) -{ - if (JS_IsExceptionPending(cx)) { - return false; - } - - XPCLazyCallContext lccx(JS_CALLER, cx, scope); - - if (value) { - xpcObjectHelper helper(value); - return NativeInterface2JSObjectAndThrowIfFailed(lccx, cx, vp, helper, NULL, - true); - } - - return Throw<true>(cx, NS_ERROR_XPC_BAD_CONVERT_JS); -} - -// Can only be called with the immediate prototype of the instance object. Can -// only be called on the prototype of an object known to be a DOM instance. -JSBool -InstanceClassHasProtoAtDepth(JSHandleObject protoObject, uint32_t protoID, - uint32_t depth) -{ - const DOMClass* domClass = static_cast<DOMClass*>( - js::GetReservedSlot(protoObject, DOM_PROTO_INSTANCE_CLASS_SLOT).toPrivate()); - return (uint32_t)domClass->mInterfaceChain[depth] == protoID; -} - -// Only set allowNativeWrapper to false if you really know you need it, if in -// doubt use true. Setting it to false disables security wrappers. -bool -XPCOMObjectToJsval(JSContext* cx, JSObject* scope, xpcObjectHelper &helper, - const nsIID* iid, bool allowNativeWrapper, JS::Value* rval) -{ - XPCLazyCallContext lccx(JS_CALLER, cx, scope); - - if (!NativeInterface2JSObjectAndThrowIfFailed(lccx, cx, rval, helper, iid, - allowNativeWrapper)) { - return false; - } - -#ifdef DEBUG - JSObject* jsobj = JSVAL_TO_OBJECT(*rval); - if (jsobj && !js::GetObjectParent(jsobj)) - NS_ASSERTION(js::GetObjectClass(jsobj)->flags & JSCLASS_IS_GLOBAL, - "Why did we recreate this wrapper?"); -#endif - - return true; -} - -JSBool -QueryInterface(JSContext* cx, unsigned argc, JS::Value* vp) -{ - JS::Value thisv = JS_THIS(cx, vp); - if (thisv == JSVAL_NULL) - return false; - - // Get the object. It might be a security wrapper, in which case we do a checked - // unwrap. - JSObject* origObj = JSVAL_TO_OBJECT(thisv); - JSObject* obj = js::UnwrapObjectChecked(cx, origObj); - if (!obj) - return false; - - nsISupports* native; - if (!UnwrapDOMObjectToISupports(obj, native)) { - return Throw<true>(cx, NS_ERROR_FAILURE); - } - - if (argc < 1) { - return Throw<true>(cx, NS_ERROR_XPC_NOT_ENOUGH_ARGS); - } - - JS::Value* argv = JS_ARGV(cx, vp); - if (!argv[0].isObject()) { - return Throw<true>(cx, NS_ERROR_XPC_BAD_CONVERT_JS); - } - - nsIJSIID* iid; - xpc_qsSelfRef iidRef; - if (NS_FAILED(xpc_qsUnwrapArg<nsIJSIID>(cx, argv[0], &iid, &iidRef.ptr, - &argv[0]))) { - return Throw<true>(cx, NS_ERROR_XPC_BAD_CONVERT_JS); - } - MOZ_ASSERT(iid); - - if (iid->GetID()->Equals(NS_GET_IID(nsIClassInfo))) { - nsresult rv; - nsCOMPtr<nsIClassInfo> ci = do_QueryInterface(native, &rv); - if (NS_FAILED(rv)) { - return Throw<true>(cx, rv); - } - - return WrapObject(cx, origObj, ci, &NS_GET_IID(nsIClassInfo), vp); - } - - // Lie, otherwise we need to check classinfo or QI - *vp = thisv; - return true; -} - -JSBool -ThrowingConstructor(JSContext* cx, unsigned argc, JS::Value* vp) -{ - return ThrowErrorMessage(cx, MSG_ILLEGAL_CONSTRUCTOR); -} - -bool -XrayResolveProperty(JSContext* cx, JSObject* wrapper, jsid id, - JSPropertyDescriptor* desc, - // And the things we need to determine the descriptor - Prefable<JSFunctionSpec>* methods, - jsid* methodIds, - JSFunctionSpec* methodSpecs, - size_t methodCount, - Prefable<JSPropertySpec>* attributes, - jsid* attributeIds, - JSPropertySpec* attributeSpecs, - size_t attributeCount, - Prefable<ConstantSpec>* constants, - jsid* constantIds, - ConstantSpec* constantSpecs, - size_t constantCount) -{ - for (size_t prefIdx = 0; prefIdx < methodCount; ++prefIdx) { - MOZ_ASSERT(methods[prefIdx].specs); - if (methods[prefIdx].enabled) { - // Set i to be the index into our full list of ids/specs that we're - // looking at now. - size_t i = methods[prefIdx].specs - methodSpecs; - for ( ; methodIds[i] != JSID_VOID; ++i) { - if (id == methodIds[i]) { - JSFunction *fun = JS_NewFunctionById(cx, methodSpecs[i].call.op, - methodSpecs[i].nargs, 0, - wrapper, id); - if (!fun) { - return false; - } - SET_JITINFO(fun, methodSpecs[i].call.info); - JSObject *funobj = JS_GetFunctionObject(fun); - desc->value.setObject(*funobj); - desc->attrs = methodSpecs[i].flags; - desc->obj = wrapper; - desc->setter = nullptr; - desc->getter = nullptr; - return true; - } - } - } - } - - for (size_t prefIdx = 0; prefIdx < attributeCount; ++prefIdx) { - MOZ_ASSERT(attributes[prefIdx].specs); - if (attributes[prefIdx].enabled) { - // Set i to be the index into our full list of ids/specs that we're - // looking at now. - size_t i = attributes[prefIdx].specs - attributeSpecs; - for ( ; attributeIds[i] != JSID_VOID; ++i) { - if (id == attributeIds[i]) { - // Because of centralization, we need to make sure we fault in the - // JitInfos as well. At present, until the JSAPI changes, the easiest - // way to do this is wrap them up as functions ourselves. - desc->attrs = attributeSpecs[i].flags & ~JSPROP_NATIVE_ACCESSORS; - // They all have getters, so we can just make it. - JSObject *global = JS_GetGlobalForObject(cx, wrapper); - JSFunction *fun = JS_NewFunction(cx, (JSNative)attributeSpecs[i].getter.op, - 0, 0, global, NULL); - if (!fun) - return false; - SET_JITINFO(fun, attributeSpecs[i].getter.info); - JSObject *funobj = JS_GetFunctionObject(fun); - desc->getter = js::CastAsJSPropertyOp(funobj); - desc->attrs |= JSPROP_GETTER; - if (attributeSpecs[i].setter.op) { - // We have a setter! Make it. - fun = JS_NewFunction(cx, (JSNative)attributeSpecs[i].setter.op, - 1, 0, global, NULL); - if (!fun) - return false; - SET_JITINFO(fun, attributeSpecs[i].setter.info); - funobj = JS_GetFunctionObject(fun); - desc->setter = js::CastAsJSStrictPropertyOp(funobj); - desc->attrs |= JSPROP_SETTER; - } else { - desc->setter = NULL; - } - desc->obj = wrapper; - return true; - } - } - } - } - - for (size_t prefIdx = 0; prefIdx < constantCount; ++prefIdx) { - MOZ_ASSERT(constants[prefIdx].specs); - if (constants[prefIdx].enabled) { - // Set i to be the index into our full list of ids/specs that we're - // looking at now. - size_t i = constants[prefIdx].specs - constantSpecs; - for ( ; constantIds[i] != JSID_VOID; ++i) { - if (id == constantIds[i]) { - desc->attrs = JSPROP_ENUMERATE | JSPROP_READONLY | JSPROP_PERMANENT; - desc->obj = wrapper; - desc->value = constantSpecs[i].value; - return true; - } - } - } - } - - return true; -} - -bool -XrayEnumerateProperties(JS::AutoIdVector& props, - Prefable<JSFunctionSpec>* methods, - jsid* methodIds, - JSFunctionSpec* methodSpecs, - size_t methodCount, - Prefable<JSPropertySpec>* attributes, - jsid* attributeIds, - JSPropertySpec* attributeSpecs, - size_t attributeCount, - Prefable<ConstantSpec>* constants, - jsid* constantIds, - ConstantSpec* constantSpecs, - size_t constantCount) -{ - for (size_t prefIdx = 0; prefIdx < methodCount; ++prefIdx) { - MOZ_ASSERT(methods[prefIdx].specs); - if (methods[prefIdx].enabled) { - // Set i to be the index into our full list of ids/specs that we're - // looking at now. - size_t i = methods[prefIdx].specs - methodSpecs; - for ( ; methodIds[i] != JSID_VOID; ++i) { - if ((methodSpecs[i].flags & JSPROP_ENUMERATE) && - !props.append(methodIds[i])) { - return false; - } - } - } - } - - for (size_t prefIdx = 0; prefIdx < attributeCount; ++prefIdx) { - MOZ_ASSERT(attributes[prefIdx].specs); - if (attributes[prefIdx].enabled) { - // Set i to be the index into our full list of ids/specs that we're - // looking at now. - size_t i = attributes[prefIdx].specs - attributeSpecs; - for ( ; attributeIds[i] != JSID_VOID; ++i) { - if ((attributeSpecs[i].flags & JSPROP_ENUMERATE) && - !props.append(attributeIds[i])) { - return false; - } - } - } - } - - for (size_t prefIdx = 0; prefIdx < constantCount; ++prefIdx) { - MOZ_ASSERT(constants[prefIdx].specs); - if (constants[prefIdx].enabled) { - // Set i to be the index into our full list of ids/specs that we're - // looking at now. - size_t i = constants[prefIdx].specs - constantSpecs; - for ( ; constantIds[i] != JSID_VOID; ++i) { - if (!props.append(constantIds[i])) { - return false; - } - } - } - } - - return true; -} - -bool -GetPropertyOnPrototype(JSContext* cx, JSObject* proxy, jsid id, bool* found, - JS::Value* vp) -{ - JSObject* proto; - if (!js::GetObjectProto(cx, proxy, &proto)) { - return false; - } - if (!proto) { - *found = false; - return true; - } - - JSBool hasProp; - if (!JS_HasPropertyById(cx, proto, id, &hasProp)) { - return false; - } - - *found = hasProp; - if (!hasProp || !vp) { - return true; - } - - return JS_ForwardGetPropertyTo(cx, proto, id, proxy, vp); -} - -bool -HasPropertyOnPrototype(JSContext* cx, JSObject* proxy, DOMProxyHandler* handler, - jsid id) -{ - Maybe<JSAutoCompartment> ac; - if (xpc::WrapperFactory::IsXrayWrapper(proxy)) { - proxy = js::UnwrapObject(proxy); - ac.construct(cx, proxy); - } - MOZ_ASSERT(js::IsProxy(proxy) && js::GetProxyHandler(proxy) == handler); - - bool found; - // We ignore an error from GetPropertyOnPrototype. - return !GetPropertyOnPrototype(cx, proxy, id, &found, NULL) || found; -} - -} // namespace dom -} // namespace mozilla |