1/*
2 * Copyright (c) 2011 Google Inc. All rights reserved.
3 * Copyright (c) 2013 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include "config.h"
33#include "WorkerScriptDebugServer.h"
34
35#if ENABLE(INSPECTOR)
36
37#include "JSDOMBinding.h"
38#include "Timer.h"
39#include "WorkerDebuggerAgent.h"
40#include "WorkerGlobalScope.h"
41#include "WorkerRunLoop.h"
42#include "WorkerThread.h"
43#include <runtime/VM.h>
44#include <wtf/PassOwnPtr.h>
45
46using namespace Inspector;
47
48namespace WebCore {
49
50WorkerScriptDebugServer::WorkerScriptDebugServer(WorkerGlobalScope* context, const String& mode)
51    : ScriptDebugServer(true)
52    , m_workerGlobalScope(context)
53    , m_debuggerTaskMode(mode)
54{
55}
56
57void WorkerScriptDebugServer::addListener(ScriptDebugListener* listener)
58{
59    if (!listener)
60        return;
61
62    bool wasEmpty = m_listeners.isEmpty();
63    m_listeners.add(listener);
64
65    if (wasEmpty) {
66        m_workerGlobalScope->script()->attachDebugger(this);
67        recompileAllJSFunctions();
68    }
69}
70
71void WorkerScriptDebugServer::removeListener(ScriptDebugListener* listener, bool skipRecompile)
72{
73    if (!listener)
74        return;
75
76    m_listeners.remove(listener);
77
78    if (m_listeners.isEmpty()) {
79        m_workerGlobalScope->script()->detachDebugger(this);
80        if (!skipRecompile)
81            recompileAllJSFunctions();
82    }
83}
84
85void WorkerScriptDebugServer::recompileAllJSFunctions()
86{
87    JSC::VM& vm = m_workerGlobalScope->script()->vm();
88
89    JSC::JSLockHolder lock(vm);
90    JSC::Debugger::recompileAllJSFunctions(&vm);
91}
92
93void WorkerScriptDebugServer::runEventLoopWhilePaused()
94{
95    TimerBase::fireTimersInNestedEventLoop();
96
97    MessageQueueWaitResult result;
98    do {
99        result = m_workerGlobalScope->thread().runLoop().runInMode(m_workerGlobalScope, m_debuggerTaskMode);
100    // Keep waiting until execution is resumed.
101    } while (result != MessageQueueTerminated && !m_doneProcessingDebuggerEvents);
102}
103
104void WorkerScriptDebugServer::reportException(JSC::ExecState* exec, JSC::JSValue exception) const
105{
106    WebCore::reportException(exec, exception);
107}
108
109void WorkerScriptDebugServer::interruptAndRunTask(PassOwnPtr<ScriptDebugServer::Task>)
110{
111}
112
113} // namespace WebCore
114
115#endif // ENABLE(INSPECTOR)
116