/* * Copyright (C) 2014 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include "CallFrame.h" #include "JSGlobalObject.h" namespace JSC { class DebuggerEvalEnabler { public: enum class Mode { EvalOnCurrentCallFrame, EvalOnGlobalObjectAtDebuggerEntry, }; DebuggerEvalEnabler(JSGlobalObject* globalObject, Mode mode = Mode::EvalOnCurrentCallFrame) : m_globalObject(globalObject) #if ASSERT_ENABLED , m_mode(mode) #endif { UNUSED_PARAM(mode); if (globalObject) { m_evalWasDisabled = !globalObject->evalEnabled(); if (m_evalWasDisabled) globalObject->setEvalEnabled(true, globalObject->evalDisabledErrorMessage()); #if ASSERT_ENABLED if (m_mode == Mode::EvalOnGlobalObjectAtDebuggerEntry) globalObject->setGlobalObjectAtDebuggerEntry(globalObject); #endif } } ~DebuggerEvalEnabler() { if (m_globalObject) { JSGlobalObject* globalObject = m_globalObject; if (m_evalWasDisabled) globalObject->setEvalEnabled(false, globalObject->evalDisabledErrorMessage()); #if ASSERT_ENABLED if (m_mode == Mode::EvalOnGlobalObjectAtDebuggerEntry) globalObject->setGlobalObjectAtDebuggerEntry(nullptr); #endif } } private: JSGlobalObject* m_globalObject; bool m_evalWasDisabled { false }; #if ASSERT_ENABLED DebuggerEvalEnabler::Mode m_mode; #endif }; } // namespace JSC