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StackIterator.h
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executable file
·78 lines (61 loc) · 2.53 KB
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/*
* Copyright (C) 2013 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 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 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.
*/
#ifndef StackIterator_h
#define StackIterator_h
#include "CallFrame.h"
#include "Interpreter.h"
#include "StackIteratorPrivate.h"
namespace JSC {
class Arguments;
class StackIterator::Frame : public CallFrame {
public:
enum CodeType {
Global = StackFrameGlobalCode,
Eval = StackFrameEvalCode,
Function = StackFrameFunctionCode,
Native = StackFrameNativeCode
};
static Frame* create(CallFrame* f) { return reinterpret_cast<Frame*>(f); }
bool isJSFrame() const { return !!codeBlock(); }
JS_EXPORT_PRIVATE String functionName();
JS_EXPORT_PRIVATE String sourceURL();
JS_EXPORT_PRIVATE String toString();
CodeType codeType() const;
unsigned bytecodeOffset();
JS_EXPORT_PRIVATE void computeLineAndColumn(unsigned& line, unsigned& column);
Arguments* arguments();
CallFrame* callFrame() { return reinterpret_cast<CallFrame*>(this); }
Frame* logicalFrame();
Frame* logicalCallerFrame();
#ifndef NDEBUG
JS_EXPORT_PRIVATE void print(int indentLevel);
#endif
private:
Frame();
~Frame();
void retrieveExpressionInfo(int& divot, int& startOffset, int& endOffset, unsigned& line, unsigned& column);
};
} // namespace JSC
#endif // StackIterator_h