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      1 /*
      2  * Copyright (c) 2011 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef PageScriptDebugServer_h
     32 #define PageScriptDebugServer_h
     33 
     34 #include "bindings/core/v8/ScriptDebugServer.h"
     35 #include "bindings/core/v8/ScriptPreprocessor.h"
     36 #include "wtf/Forward.h"
     37 #include "wtf/RefCounted.h"
     38 #include <v8.h>
     39 
     40 namespace blink {
     41 
     42 class Page;
     43 class ScriptController;
     44 class ScriptPreprocessor;
     45 class ScriptSourceCode;
     46 
     47 class PageScriptDebugServer FINAL : public ScriptDebugServer {
     48     WTF_MAKE_NONCOPYABLE(PageScriptDebugServer);
     49 public:
     50     static PageScriptDebugServer& shared();
     51 
     52     static void setMainThreadIsolate(v8::Isolate*);
     53 
     54     void addListener(ScriptDebugListener*, Page*);
     55     void removeListener(ScriptDebugListener*, Page*);
     56 
     57     static void interruptAndRun(PassOwnPtr<Task>);
     58 
     59     class ClientMessageLoop {
     60     public:
     61         virtual ~ClientMessageLoop() { }
     62         virtual void run(Page*) = 0;
     63         virtual void quitNow() = 0;
     64     };
     65     void setClientMessageLoop(PassOwnPtr<ClientMessageLoop>);
     66 
     67     virtual void compileScript(ScriptState*, const String& expression, const String& sourceURL, String* scriptId, String* exceptionDetailsText, int* lineNumber, int* columnNumber, RefPtrWillBeRawPtr<ScriptCallStack>* stackTrace) OVERRIDE;
     68     virtual void clearCompiledScripts() OVERRIDE;
     69     virtual void runScript(ScriptState*, const String& scriptId, ScriptValue* result, bool* wasThrown, String* exceptionDetailsText, int* lineNumber, int* columnNumber, RefPtrWillBeRawPtr<ScriptCallStack>* stackTrace) OVERRIDE;
     70     virtual void setPreprocessorSource(const String&) OVERRIDE;
     71     virtual void preprocessBeforeCompile(const v8::Debug::EventDetails&) OVERRIDE;
     72     virtual PassOwnPtr<ScriptSourceCode> preprocess(LocalFrame*, const ScriptSourceCode&) OVERRIDE;
     73     virtual String preprocessEventListener(LocalFrame*, const String& source, const String& url, const String& functionName) OVERRIDE;
     74     virtual void clearPreprocessor() OVERRIDE;
     75 
     76     virtual void muteWarningsAndDeprecations() OVERRIDE;
     77     virtual void unmuteWarningsAndDeprecations() OVERRIDE;
     78 
     79 private:
     80     PageScriptDebugServer();
     81     virtual ~PageScriptDebugServer();
     82 
     83     virtual ScriptDebugListener* getDebugListenerForContext(v8::Handle<v8::Context>) OVERRIDE;
     84     virtual void runMessageLoopOnPause(v8::Handle<v8::Context>) OVERRIDE;
     85     virtual void quitMessageLoopOnPause() OVERRIDE;
     86 
     87     typedef HashMap<Page*, ScriptDebugListener*> ListenersMap;
     88     ListenersMap m_listenersMap;
     89     OwnPtr<ClientMessageLoop> m_clientMessageLoop;
     90     Page* m_pausedPage;
     91     HashMap<String, String> m_compiledScriptURLs;
     92 
     93     OwnPtr<ScriptSourceCode> m_preprocessorSourceCode;
     94     OwnPtr<ScriptPreprocessor> m_scriptPreprocessor;
     95     bool canPreprocess(LocalFrame*);
     96     static v8::Isolate* s_mainThreadIsolate;
     97 };
     98 
     99 } // namespace blink
    100 
    101 
    102 #endif // PageScriptDebugServer_h
    103