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      1 /*
      2  * Copyright (c) 2008, 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 ScriptCallFrame_h
     32 #define ScriptCallFrame_h
     33 
     34 #include "KURL.h"
     35 #include <runtime/ArgList.h>
     36 #include "ScriptString.h"
     37 #include "ScriptValue.h"
     38 #include <wtf/Vector.h>
     39 
     40 namespace JSC {
     41     class ExecState;
     42     class InternalFunction;
     43 }
     44 
     45 namespace WebCore {
     46 
     47     // FIXME: Implement retrieving line number and source URL and storing here
     48     // for all call frames, not just the first one.
     49     // See <https://bugs.webkit.org/show_bug.cgi?id=22556> and
     50     // <https://bugs.webkit.org/show_bug.cgi?id=21180>
     51     class ScriptCallFrame  {
     52     public:
     53         ScriptCallFrame(const JSC::UString& functionName, const JSC::UString& urlString, int lineNumber, const JSC::ArgList&, unsigned skipArgumentCount);
     54         ~ScriptCallFrame();
     55 
     56         const ScriptString& functionName() const { return m_functionName; }
     57         const KURL& sourceURL() const { return m_sourceURL; }
     58         unsigned lineNumber() const { return m_lineNumber; }
     59 
     60         // argument retrieval methods
     61         const ScriptValue& argumentAt(unsigned) const;
     62         unsigned argumentCount() const { return m_arguments.size(); }
     63 
     64     private:
     65         ScriptString m_functionName;
     66         KURL m_sourceURL;
     67         unsigned m_lineNumber;
     68 
     69         Vector<ScriptValue> m_arguments;
     70     };
     71 
     72 } // namespace WebCore
     73 
     74 #endif // ScriptCallFrame_h
     75