mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
/*
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* Copyright (C) 2014-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "JSGlobalObjectDebugger.h"
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#include "JSGlobalObject.h"
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#include "JSLock.h"
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#include <wtf/RunLoop.h>
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namespace Inspector {
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using namespace JSC;
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JSGlobalObjectDebugger::JSGlobalObjectDebugger(JSGlobalObject& globalObject)
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: Debugger(globalObject.vm())
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, m_globalObject(globalObject)
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{
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}
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void JSGlobalObjectDebugger::attachDebugger()
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{
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JSC::Debugger::attachDebugger();
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attach(&m_globalObject);
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}
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void JSGlobalObjectDebugger::detachDebugger(bool isBeingDestroyed)
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{
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JSC::Debugger::detachDebugger(isBeingDestroyed);
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detach(&m_globalObject, isBeingDestroyed ? Debugger::GlobalObjectIsDestructing : Debugger::TerminatingDebuggingSession);
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if (!isBeingDestroyed)
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recompileAllJSFunctions();
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}
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void JSGlobalObjectDebugger::runEventLoopWhilePaused()
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{
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JSC::Debugger::runEventLoopWhilePaused();
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// Drop all locks so another thread can work in the VM while we are nested.
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JSC::JSLock::DropAllLocks dropAllLocks(&m_globalObject.vm());
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while (!doneProcessingDebuggerEvents()) {
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if (RunLoop::cycle(JSGlobalObjectDebugger::runLoopMode()) == RunLoop::CycleResult::Stop)
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break;
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}
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}
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RunLoopMode JSGlobalObjectDebugger::runLoopMode()
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{
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#if USE(CF) && !PLATFORM(WATCHOS)
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// Run the RunLoop in a custom run loop mode to prevent default observers
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// to run and potentially evaluate JavaScript in this context while we are
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// nested. Only the debugger should control things until we continue.
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// FIXME: This is not a perfect solution, as background threads are not
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// paused and can still access and evalute script in the JSContext.
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// FIXME: <rdar://problem/25972777>. On watchOS, in order for auto-attach to work,
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// we need to run in the default run loop mode otherwise we do not receive the XPC messages
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// necessary to setup the relay connection and negotiate an auto-attach debugger.
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return CFSTR("com.apple.JavaScriptCore.remote-inspector-runloop-mode");
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#else
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return DefaultRunLoopMode;
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#endif
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}
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} // namespace Inspector
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