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/*
* Copyright (C) 2008, 2009 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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.
*/
#ifndef ScriptCallStack_h
#define ScriptCallStack_h
#include "ScriptArray.h"
#include "ScriptCallFrame.h"
#include "ScriptState.h"
#include "ScriptValue.h"
#include <wtf/Noncopyable.h>
namespace v8 {
class Arguments;
}
namespace WebCore {
class ScriptCallStack : public Noncopyable {
public:
static ScriptCallStack* create(const v8::Arguments&, unsigned skipArgumentCount = 0);
~ScriptCallStack();
// Returns false if there is no running JavaScript or if fetching the stack failed.
// Sets stackTrace to be an array of stack frame objects.
// A stack frame object looks like:
// {
// scriptName: <file name for the associated script resource>
// functionName: <name of the JavaScript function>
// lineNumber: <1 based line number>
// column: <1 based column offset on the line>
// }
static bool stackTrace(int frameLimit, ScriptState* state, ScriptArray& stackTrace);
const ScriptCallFrame& at(unsigned) const;
// FIXME: implement retrieving and storing call stack trace
unsigned size() const { return 1; }
ScriptState* state() const { return m_scriptState; }
ScriptState* globalState() const { return m_scriptState; }
private:
ScriptCallStack(const v8::Arguments& arguments, unsigned skipArgumentCount, String sourceName, int sourceLineNumber, String funcName);
static bool callLocation(String* sourceName, int* sourceLineNumber, String* functionName);
ScriptCallFrame m_lastCaller;
ScriptState* m_scriptState;
};
} // namespace WebCore
#endif // ScriptCallStack_h
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