// Copyright (C) 2003-2009 Dolphin Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/

#ifndef _DSP_DEBUGGER_LLE_H
#define _DSP_DEBUGGER_LLE_H

// general things
#include <iostream>
#include <vector>
#include <list>
#include <map>
#include <algorithm>

#include <wx/wx.h>
#include <wx/frame.h>
#include <wx/button.h>
#include <wx/stattext.h>
#include <wx/statbox.h>
#include <wx/sizer.h>
#include <wx/listctrl.h>
#include <wx/statline.h>

#include "disassemble.h"
#include "gdsp_interpreter.h"
#include "gdsp_memory.h"

class DSPRegisterView;

class DSPDebuggerLLE : public wxFrame
{
public:
	DSPDebuggerLLE(wxWindow *parent,
		wxWindowID id = wxID_ANY,
		const wxString &title = wxT("DSP LLE Debugger"),
		const wxPoint& pos = wxDefaultPosition,
		const wxSize& size = wxDefaultSize,
		long style = wxDEFAULT_FRAME_STYLE);

	virtual ~DSPDebuggerLLE();

	bool CanDoStep();
	void DebugBreak();
	void Refresh();

private:
	DECLARE_EVENT_TABLE();

	enum
	{
		// Toolbar
		ID_TOOLBAR = 1000,
		ID_RUNTOOL,
		ID_STEPTOOL,
		ID_SHOWPCTOOL,
		ID_JUMPTOTOOL,
		ID_DISASMDUMPTOOL,
		ID_CHECK_ASSERTINT,
		ID_CHECK_HALT,
		ID_CHECK_INIT,

		// Disasm view
		ID_DISASM,

		// Register View
		ID_DSP_REGS,
	};

	// Disasm listctrl columns
	enum
	{
		COLUMN_BP,
		COLUMN_FUNCTION,
		COLUMN_ADDRESS,
		COLUMN_MNEMONIC,
		COLUMN_OPCODE,
		COLUMN_EXT,
		COLUMN_PARAM,
	};

	enum EState
	{
		PAUSE,
		STEP,
		RUN,
		RUN_START // ignores breakpoints and switches after one step to RUN
	};
	EState m_State;

	u64 m_CachedStepCounter;
	u16 m_CachedCR;
	u32 m_CachedUCodeCRC;

	// Break point handling
	typedef std::list<u16>CBreakPointList;
	CBreakPointList m_BreakPoints;

	bool IsBreakPoint(u16 _Address);
	void ToggleBreakPoint(u16 _Address);
	void RemoveBreakPoint(u16 _Address);
	void AddBreakPoint(u16 _Address);
	void ClearBreakPoints();

	// Symbols
	struct SSymbol
	{
		u32 AddressStart;
		u32 AddressEnd;
		std::string Name;

		SSymbol(u32 _AddressStart = 0, u32 _AddressEnd = 0, char* _Name = NULL)
			: AddressStart(_AddressStart)
			, AddressEnd(_AddressEnd)
			, Name(_Name)
		{
		}
	};

	typedef std::map<u16, SSymbol>CSymbolMap;
	CSymbolMap m_SymbolMap;

	bool LoadSymbolMap(const char* _pFileName);

	// GUI updaters
	void UpdateDisAsmListView();
	void UpdateRegisterFlags();
	void UpdateSymbolMap();
	void UpdateState();

	void RebuildDisAsmListView();

	// GUI items
	wxToolBar* m_Toolbar;
	wxListCtrl* m_Disasm;
	DSPRegisterView* m_Regs;

	void OnClose(wxCloseEvent& event);
	void OnChangeState(wxCommandEvent& event);
	void OnShowPC(wxCommandEvent& event);
	void OnRightClick(wxListEvent& event);
	void OnDoubleClick(wxListEvent& event);

	void CreateGUIControls();
	void FocusOnPC();
	void UnselectAll();
};

#endif //_DSP_DEBUGGER_LLE_H