darling-JavaScriptCore/debugger/DebuggerEvalEnabler.h

81 lines
2.7 KiB
C++

/*
* 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