diff options
Diffstat (limited to 'WebKit/win/WebScriptDebugServer.cpp')
| -rw-r--r-- | WebKit/win/WebScriptDebugServer.cpp | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/WebKit/win/WebScriptDebugServer.cpp b/WebKit/win/WebScriptDebugServer.cpp new file mode 100644 index 0000000..734505d --- /dev/null +++ b/WebKit/win/WebScriptDebugServer.cpp @@ -0,0 +1,361 @@ +/* + * Copyright (C) 2007 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 COMPUTER, 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 COMPUTER, 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 "WebKit.h" +#include "WebKitDLL.h" +#include "WebScriptDebugServer.h" + +#include "WebView.h" +#include <wtf/Assertions.h> +#include <wtf/Vector.h> + +typedef HashSet<COMPtr<IWebScriptDebugListener> > ListenerSet; + +static ListenerSet s_Listeners; +static unsigned s_ListenerCount = 0; +static OwnPtr<WebScriptDebugServer> s_SharedWebScriptDebugServer; +static bool s_dying = false; + +unsigned WebScriptDebugServer::listenerCount() { return s_ListenerCount; }; + +// WebScriptDebugServer ------------------------------------------------------------ + +WebScriptDebugServer::WebScriptDebugServer() + : m_refCount(0) + , m_paused(false) + , m_step(false) +{ + gClassCount++; +} + +WebScriptDebugServer::~WebScriptDebugServer() +{ + gClassCount--; +} + +WebScriptDebugServer* WebScriptDebugServer::createInstance() +{ + WebScriptDebugServer* instance = new WebScriptDebugServer; + instance->AddRef(); + return instance; +} + +WebScriptDebugServer* WebScriptDebugServer::sharedWebScriptDebugServer() +{ + if (!s_SharedWebScriptDebugServer) { + s_dying = false; + s_SharedWebScriptDebugServer.set(WebScriptDebugServer::createInstance()); + } + + return s_SharedWebScriptDebugServer.get(); +} + + +// IUnknown ------------------------------------------------------------------- + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::QueryInterface(REFIID riid, void** ppvObject) +{ + *ppvObject = 0; + if (IsEqualGUID(riid, IID_IUnknown)) + *ppvObject = static_cast<WebScriptDebugServer*>(this); + else if (IsEqualGUID(riid, IID_IWebScriptDebugServer)) + *ppvObject = static_cast<WebScriptDebugServer*>(this); + else + return E_NOINTERFACE; + + AddRef(); + return S_OK; +} + +ULONG STDMETHODCALLTYPE WebScriptDebugServer::AddRef() +{ + return ++m_refCount; +} + +ULONG STDMETHODCALLTYPE WebScriptDebugServer::Release() +{ + ULONG newRef = --m_refCount; + if (!newRef) + delete(this); + + return newRef; +} + +// IWebScriptDebugServer ----------------------------------------------------------- + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::sharedWebScriptDebugServer( + /* [retval][out] */ IWebScriptDebugServer** server) +{ + if (!server) + return E_POINTER; + + *server = WebScriptDebugServer::sharedWebScriptDebugServer(); + (*server)->AddRef(); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::addListener( + /* [in] */ IWebScriptDebugListener* listener) +{ + if (s_dying) + return E_FAIL; + + if (!listener) + return E_POINTER; + + ++s_ListenerCount; + s_Listeners.add(listener); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::removeListener( + /* [in] */ IWebScriptDebugListener* listener) +{ + if (s_dying) + return S_OK; + + if (!listener) + return E_POINTER; + + if (!s_Listeners.contains(listener)) + return S_OK; + + s_Listeners.remove(listener); + + ASSERT(s_ListenerCount >= 1); + if (--s_ListenerCount == 0) + resume(); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::step() +{ + m_step = true; + m_paused = false; + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::pause() +{ + m_paused = true; + m_step = false; + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::resume() +{ + m_paused = false; + m_step = false; + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::isPaused( + /* [out, retval] */ BOOL* isPaused) +{ + if (!isPaused) + return E_POINTER; + + *isPaused = m_paused; + return S_OK; +} + + +void WebScriptDebugServer::suspendProcessIfPaused() +{ + static bool alreadyHere = false; + + if (alreadyHere) + return; + + alreadyHere = true; + + MSG msg; + while (m_paused && GetMessage(&msg, 0, 0, 0)) { + TranslateMessage(&msg); + DispatchMessage(&msg); + } + + if (m_step) { + m_step = false; + m_paused = true; + } + + alreadyHere = false; +} + +// IWebScriptDebugListener +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::didLoadMainResourceForDataSource( + /* [in] */ IWebView* webView, + /* [in] */ IWebDataSource* dataSource) +{ + if (!webView || !dataSource) + return E_FAIL; + + ListenerSet listenersCopy = s_Listeners; + ListenerSet::iterator end = listenersCopy.end(); + for (ListenerSet::iterator it = listenersCopy.begin(); it != end; ++it) + (**it).didLoadMainResourceForDataSource(webView, dataSource); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::didParseSource( + /* [in] */ IWebView* webView, + /* [in] */ BSTR sourceCode, + /* [in] */ UINT baseLineNumber, + /* [in] */ BSTR url, + /* [in] */ int sourceID, + /* [in] */ IWebFrame* webFrame) +{ + if (!webView || !sourceCode || !url || !webFrame) + return E_FAIL; + + ListenerSet listenersCopy = s_Listeners; + ListenerSet::iterator end = listenersCopy.end(); + for (ListenerSet::iterator it = listenersCopy.begin(); it != end; ++it) + (**it).didParseSource(webView, sourceCode, baseLineNumber, url, sourceID, webFrame); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::failedToParseSource( + /* [in] */ IWebView* webView, + /* [in] */ BSTR sourceCode, + /* [in] */ UINT baseLineNumber, + /* [in] */ BSTR url, + /* [in] */ BSTR error, + /* [in] */ IWebFrame* webFrame) +{ + if (!webView || !sourceCode || !url || !error || !webFrame) + return E_FAIL; + + ListenerSet listenersCopy = s_Listeners; + ListenerSet::iterator end = listenersCopy.end(); + for (ListenerSet::iterator it = listenersCopy.begin(); it != end; ++it) + (**it).failedToParseSource(webView, sourceCode, baseLineNumber, url, error, webFrame); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::didEnterCallFrame( + /* [in] */ IWebView* webView, + /* [in] */ IWebScriptCallFrame* frame, + /* [in] */ int sourceID, + /* [in] */ int lineNumber, + /* [in] */ IWebFrame* webFrame) +{ + if (!webView || !frame || !webFrame) + return E_FAIL; + + ListenerSet listenersCopy = s_Listeners; + ListenerSet::iterator end = listenersCopy.end(); + for (ListenerSet::iterator it = listenersCopy.begin(); it != end; ++it) + (**it).didEnterCallFrame(webView, frame, sourceID, lineNumber, webFrame); + + suspendProcessIfPaused(); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::willExecuteStatement( + /* [in] */ IWebView* webView, + /* [in] */ IWebScriptCallFrame* frame, + /* [in] */ int sourceID, + /* [in] */ int lineNumber, + /* [in] */ IWebFrame* webFrame) +{ + if (!webView || !frame || !webFrame) + return E_FAIL; + + ListenerSet listenersCopy = s_Listeners; + ListenerSet::iterator end = listenersCopy.end(); + for (ListenerSet::iterator it = listenersCopy.begin(); it != end; ++it) + (**it).willExecuteStatement(webView, frame, sourceID, lineNumber, webFrame); + + suspendProcessIfPaused(); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::willLeaveCallFrame( + /* [in] */ IWebView* webView, + /* [in] */ IWebScriptCallFrame* frame, + /* [in] */ int sourceID, + /* [in] */ int lineNumber, + /* [in] */ IWebFrame* webFrame) +{ + if (!webView || !frame || !webFrame) + return E_FAIL; + + ListenerSet listenersCopy = s_Listeners; + ListenerSet::iterator end = listenersCopy.end(); + for (ListenerSet::iterator it = listenersCopy.begin(); it != end; ++it) + (**it).willLeaveCallFrame(webView, frame, sourceID, lineNumber, webFrame); + + suspendProcessIfPaused(); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::exceptionWasRaised( + /* [in] */ IWebView* webView, + /* [in] */ IWebScriptCallFrame* frame, + /* [in] */ int sourceID, + /* [in] */ int lineNumber, + /* [in] */ IWebFrame* webFrame) +{ + if (!webView || !frame || !webFrame) + return E_FAIL; + + ListenerSet listenersCopy = s_Listeners; + ListenerSet::iterator end = listenersCopy.end(); + for (ListenerSet::iterator it = listenersCopy.begin(); it != end; ++it) + (**it).exceptionWasRaised(webView, frame, sourceID, lineNumber, webFrame); + + suspendProcessIfPaused(); + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScriptDebugServer::serverDidDie() +{ + s_dying = true; + + ListenerSet listenersCopy = s_Listeners; + ListenerSet::iterator end = listenersCopy.end(); + for (ListenerSet::iterator it = listenersCopy.begin(); it != end; ++it) { + (**it).serverDidDie(); + s_Listeners.remove((*it).get()); + } + + return S_OK; +} |