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/*
* 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.
*/
#include "config.h"
#include "JSGlobalObjectScriptDebugServer.h"
#include "EventLoop.h"
#include "JSCInlines.h"
#include "JSLock.h"
using namespace JSC;
namespace Inspector {
JSGlobalObjectScriptDebugServer::JSGlobalObjectScriptDebugServer(JSGlobalObject& globalObject)
: ScriptDebugServer(false)
, m_globalObject(globalObject)
{
}
void JSGlobalObjectScriptDebugServer::addListener(ScriptDebugListener* listener)
{
if (!listener)
return;
bool wasEmpty = m_listeners.isEmpty();
m_listeners.add(listener);
// First listener. Attach the debugger to the JSGlobalObject.
if (wasEmpty) {
attach(&m_globalObject);
recompileAllJSFunctions();
}
}
void JSGlobalObjectScriptDebugServer::removeListener(ScriptDebugListener* listener, bool isBeingDestroyed)
{
if (!listener)
return;
m_listeners.remove(listener);
// Last listener. Detach the debugger from the JSGlobalObject.
if (m_listeners.isEmpty()) {
detach(&m_globalObject, isBeingDestroyed ? Debugger::GlobalObjectIsDestructing : Debugger::TerminatingDebuggingSession);
if (!isBeingDestroyed)
recompileAllJSFunctions();
}
}
void JSGlobalObjectScriptDebugServer::recompileAllJSFunctions()
{
JSC::Debugger::recompileAllJSFunctions(&m_globalObject.vm());
}
void JSGlobalObjectScriptDebugServer::runEventLoopWhilePaused()
{
// Drop all locks so another thread can work in the VM while we are nested.
JSC::JSLock::DropAllLocks dropAllLocks(&m_globalObject.vm());
EventLoop loop;
while (!m_doneProcessingDebuggerEvents && !loop.ended())
loop.cycle();
}
} // namespace Inspector
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