wxWidgets/include/wx/msw/stackwalk.h
2006-09-09 17:29:19 +00:00

104 lines
2.7 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/stackwalk.h
// Purpose: wxStackWalker for MSW
// Author: Vadim Zeitlin
// Modified by:
// Created: 2005-01-08
// RCS-ID: $Id$
// Copyright: (c) 2005 Vadim Zeitlin <vadim@wxwindows.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MSW_STACKWALK_H_
#define _WX_MSW_STACKWALK_H_
#include "wx/arrstr.h"
// these structs are declared in windows headers
struct _CONTEXT;
struct _EXCEPTION_POINTERS;
// and these in dbghelp.h
struct _SYMBOL_INFO;
// ----------------------------------------------------------------------------
// wxStackFrame
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxStackFrame : public wxStackFrameBase
{
private:
wxStackFrame *ConstCast() const
{ return wx_const_cast(wxStackFrame *, this); }
size_t DoGetParamCount() const { return m_paramTypes.GetCount(); }
public:
wxStackFrame(size_t level, void *address, size_t addrFrame)
: wxStackFrameBase(level, address)
{
m_hasName =
m_hasLocation = false;
m_addrFrame = addrFrame;
}
virtual size_t GetParamCount() const
{
ConstCast()->OnGetParam();
return DoGetParamCount();
}
virtual bool
GetParam(size_t n, wxString *type, wxString *name, wxString *value) const;
// callback used by OnGetParam(), don't call directly
void OnParam(_SYMBOL_INFO *pSymInfo);
protected:
virtual void OnGetName();
virtual void OnGetLocation();
void OnGetParam();
// helper for debug API: it wants to have addresses as DWORDs
size_t GetSymAddr() const
{
return wx_reinterpret_cast(size_t, m_address);
}
private:
bool m_hasName,
m_hasLocation;
size_t m_addrFrame;
wxArrayString m_paramTypes,
m_paramNames,
m_paramValues;
};
// ----------------------------------------------------------------------------
// wxStackWalker
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxStackWalker : public wxStackWalkerBase
{
public:
// we don't use ctor argument, it is for compatibility with Unix version
// only
wxStackWalker(const char * WXUNUSED(argv0) = NULL) { }
virtual void Walk(size_t skip = 1);
virtual void WalkFromException();
// enumerate stack frames from the given context
void WalkFrom(const _CONTEXT *ctx, size_t skip = 1);
void WalkFrom(const _EXCEPTION_POINTERS *ep, size_t skip = 1);
};
#endif // _WX_MSW_STACKWALK_H_