/* * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) * Copyright (C) 2003-2017 Apple Inc. All rights reserved. * Copyright (C) 2007 Samuel Weinig * Copyright (C) 2009 Google, Inc. All rights reserved. * Copyright (C) 2012 Ericsson AB. All rights reserved. * Copyright (C) 2013 Michael Pruett * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #pragma once #include "root.h" #include "ExceptionDetails.h" #include "ExceptionOr.h" #include "JavaScriptCore/ThrowScope.h" namespace JSC { class CatchScope; } namespace WebCore { class CachedScript; class DeferredPromise; void throwAttributeTypeError(JSC::JSGlobalObject&, JSC::ThrowScope&, const char* interfaceName, const char* attributeName, const char* expectedType); void throwDataCloneError(JSC::JSGlobalObject&, JSC::ThrowScope&); void throwDOMSyntaxError(JSC::JSGlobalObject&, JSC::ThrowScope&, ASCIILiteral); // Not the same as a JavaScript syntax error. void throwInvalidStateError(JSC::JSGlobalObject&, JSC::ThrowScope&, ASCIILiteral); WEBCORE_EXPORT void throwNonFiniteTypeError(JSC::JSGlobalObject&, JSC::ThrowScope&); void throwNotSupportedError(JSC::JSGlobalObject&, JSC::ThrowScope&, ASCIILiteral); void throwSecurityError(JSC::JSGlobalObject&, JSC::ThrowScope&, const String& message); WEBCORE_EXPORT void throwSequenceTypeError(JSC::JSGlobalObject&, JSC::ThrowScope&); WEBCORE_EXPORT JSC::EncodedJSValue throwArgumentMustBeEnumError(JSC::JSGlobalObject&, JSC::ThrowScope&, unsigned argumentIndex, const char* argumentName, const char* functionInterfaceName, const char* functionName, const char* expectedValues); WEBCORE_EXPORT JSC::EncodedJSValue throwArgumentMustBeFunctionError(JSC::JSGlobalObject&, JSC::ThrowScope&, unsigned argumentIndex, const char* argumentName, const char* functionInterfaceName, const char* functionName); WEBCORE_EXPORT JSC::EncodedJSValue throwArgumentMustBeObjectError(JSC::JSGlobalObject&, JSC::ThrowScope&, unsigned argumentIndex, const char* argumentName, const char* functionInterfaceName, const char* functionName); WEBCORE_EXPORT JSC::EncodedJSValue throwArgumentTypeError(JSC::JSGlobalObject&, JSC::ThrowScope&, unsigned argumentIndex, const char* argumentName, const char* functionInterfaceName, const char* functionName, const char* expectedType); WEBCORE_EXPORT JSC::EncodedJSValue throwRequiredMemberTypeError(JSC::JSGlobalObject&, JSC::ThrowScope&, const char* memberName, const char* dictionaryName, const char* expectedType); JSC::EncodedJSValue throwConstructorScriptExecutionContextUnavailableError(JSC::JSGlobalObject&, JSC::ThrowScope&, const char* interfaceName); String makeThisTypeErrorMessage(const char* interfaceName, const char* attributeName); String makeUnsupportedIndexedSetterErrorMessage(const char* interfaceName); WEBCORE_EXPORT JSC::EncodedJSValue throwThisTypeError(JSC::JSGlobalObject&, JSC::ThrowScope&, const char* interfaceName, const char* functionName); WEBCORE_EXPORT JSC::EncodedJSValue rejectPromiseWithGetterTypeError(JSC::JSGlobalObject&, const JSC::ClassInfo*, JSC::PropertyName attributeName); WEBCORE_EXPORT JSC::EncodedJSValue rejectPromiseWithThisTypeError(DeferredPromise&, const char* interfaceName, const char* operationName); WEBCORE_EXPORT JSC::EncodedJSValue rejectPromiseWithThisTypeError(JSC::JSGlobalObject&, const char* interfaceName, const char* operationName); String retrieveErrorMessageWithoutName(JSC::JSGlobalObject&, JSC::VM&, JSC::JSValue exception, JSC::CatchScope&); String retrieveErrorMessage(JSC::JSGlobalObject&, JSC::VM&, JSC::JSValue exception, JSC::CatchScope&); WEBCORE_EXPORT void reportException(JSC::JSGlobalObject*, JSC::JSValue exception, CachedScript* = nullptr, bool = false); WEBCORE_EXPORT void reportException(JSC::JSGlobalObject*, JSC::Exception*, CachedScript* = nullptr, bool = false, ExceptionDetails* = nullptr); void reportCurrentException(JSC::JSGlobalObject*); JSC::JSValue createDOMException(JSC::JSGlobalObject&, Exception&&); JSC::JSValue createDOMException(JSC::JSGlobalObject*, ExceptionCode, const String& = emptyString()); // Convert a DOM implementation exception into a JavaScript exception in the execution lexicalGlobalObject. WEBCORE_EXPORT void propagateExceptionSlowPath(JSC::JSGlobalObject&, JSC::ThrowScope&, Exception&&); ALWAYS_INLINE void propagateException(JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& throwScope, Exception&& exception) { if (throwScope.exception()) return; propagateExceptionSlowPath(lexicalGlobalObject, throwScope, WTFMove(exception)); } inline void propagateException(JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& throwScope, ExceptionOr&& value) { if (UNLIKELY(value.hasException())) propagateException(lexicalGlobalObject, throwScope, value.releaseException()); } inline void propagateException(JSC::JSGlobalObject* lexicalGlobalObject, JSC::ThrowScope& throwScope, ExceptionOr&& value) { if (UNLIKELY(value.hasException())) propagateException(lexicalGlobalObject, throwScope, value.releaseException()); } template void invokeFunctorPropagatingExceptionIfNecessary(JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& throwScope, Functor&& functor) { using ReturnType = std::invoke_result_t; if constexpr (IsExceptionOr) { auto result = functor(); if (UNLIKELY(result.hasException())) propagateException(lexicalGlobalObject, throwScope, result.releaseException()); } else functor(); } template void invokeFunctorPropagatingExceptionIfNecessary(JSC::JSGlobalObject* lexicalGlobalObject, JSC::ThrowScope& throwScope, Functor&& functor) { using ReturnType = std::invoke_result_t; if constexpr (IsExceptionOr) { auto result = functor(); if (UNLIKELY(result.hasException())) propagateException(lexicalGlobalObject, throwScope, result.releaseException()); } else functor(); } } // namespace WebCore