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authorCorey Farwell <coreyf@rwell.org>2015-07-09 07:09:52 +0900
committerCorey Farwell <coreyf@rwell.org>2015-07-09 07:25:14 +0900
commit1ce089abf47e9aa62e862c9e1d875727c4297c07 (patch)
treee37d94ca816b35e5015515b7efb86968a9270bba /components/script/dom/bindings/codegen/BindingUtils.cpp
parent805232a85e401f1a07635da894c8e7d05fed4ce9 (diff)
downloadservo-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.cpp633
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