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// license:BSD-3-Clause
// copyright-holders:Aaron Giles
/*********************************************************************
debugcon.h
Debugger console engine.
*********************************************************************/
#ifndef __DEBUGCON_H__
#define __DEBUGCON_H__
#include <functional>
#include "emu.h"
#include "textbuf.h"
/***************************************************************************
CONSTANTS
***************************************************************************/
#define MAX_COMMAND_LENGTH 4096
#define MAX_COMMAND_PARAMS 128
/* flags for command parsing */
#define CMDFLAG_NONE (0x0000)
#define CMDFLAG_KEEP_QUOTES (0x0001)
/* values for the error code in a command error */
#define CMDERR_NONE (0)
#define CMDERR_UNKNOWN_COMMAND (1)
#define CMDERR_AMBIGUOUS_COMMAND (2)
#define CMDERR_UNBALANCED_PARENS (3)
#define CMDERR_UNBALANCED_QUOTES (4)
#define CMDERR_NOT_ENOUGH_PARAMS (5)
#define CMDERR_TOO_MANY_PARAMS (6)
#define CMDERR_EXPRESSION_ERROR (7)
/* parameter separator macros */
#define CMDPARAM_SEPARATOR "\0"
#define CMDPARAM_TERMINATOR "\0\0"
/***************************************************************************
MACROS
***************************************************************************/
/* command error assembly/disassembly macros */
#define CMDERR_ERROR_CLASS(x) ((x) >> 16)
#define CMDERR_ERROR_OFFSET(x) ((x) & 0xffff)
#define MAKE_CMDERR(a,b) (((a) << 16) | ((b) & 0xffff))
/* macros to assemble specific error conditions */
#define MAKE_CMDERR_UNKNOWN_COMMAND(x) MAKE_CMDERR(CMDERR_UNKNOWN_COMMAND, (x))
#define MAKE_CMDERR_AMBIGUOUS_COMMAND(x) MAKE_CMDERR(CMDERR_AMBIGUOUS_COMMAND, (x))
#define MAKE_CMDERR_UNBALANCED_PARENS(x) MAKE_CMDERR(CMDERR_UNBALANCED_PARENS, (x))
#define MAKE_CMDERR_UNBALANCED_QUOTES(x) MAKE_CMDERR(CMDERR_UNBALANCED_QUOTES, (x))
#define MAKE_CMDERR_NOT_ENOUGH_PARAMS(x) MAKE_CMDERR(CMDERR_NOT_ENOUGH_PARAMS, (x))
#define MAKE_CMDERR_TOO_MANY_PARAMS(x) MAKE_CMDERR(CMDERR_TOO_MANY_PARAMS, (x))
#define MAKE_CMDERR_EXPRESSION_ERROR(x) MAKE_CMDERR(CMDERR_EXPRESSION_ERROR, (x))
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
/* CMDERR is an error code for command evaluation */
typedef UINT32 CMDERR;
class debugger_console
{
public:
debugger_console(running_machine &machine);
/* command handling */
CMDERR execute_command(const char *command, bool echo);
CMDERR validate_command(const char *command);
void register_command(const char *command, UINT32 flags, int ref, int minparams, int maxparams, std::function<void(int, int, const char **)> handler);
/* console management */
void vprintf(util::format_argument_pack<std::ostream> const &args);
void vprintf(util::format_argument_pack<std::ostream> &&args);
void vprintf_wrap(int wrapcol, util::format_argument_pack<std::ostream> const &args);
void vprintf_wrap(int wrapcol, util::format_argument_pack<std::ostream> &&args);
text_buffer * get_console_textbuf() const { return m_console_textbuf; }
/* errorlog management */
void errorlog_write_line(const char *line);
text_buffer * get_errorlog_textbuf() const { return m_errorlog_textbuf; }
/* convenience templates */
template <typename Format, typename... Params>
inline void printf(Format &&fmt, Params &&...args)
{
vprintf(util::make_format_argument_pack(std::forward<Format>(fmt), std::forward<Params>(args)...));
}
template <typename Format, typename... Params>
inline void printf_wrap(int wrapcol, Format &&fmt, Params &&...args)
{
vprintf_wrap(wrapcol, util::make_format_argument_pack(std::forward<Format>(fmt), std::forward<Params>(args)...));
}
static const char * cmderr_to_string(CMDERR error);
private:
void exit();
void trim_parameter(char **paramptr, bool keep_quotes);
CMDERR internal_execute_command(bool execute, int params, char **param);
CMDERR internal_parse_command(const char *original_command, bool execute);
struct debug_command
{
debug_command * next;
char command[32];
const char * params;
const char * help;
std::function<void(int, int, const char **)> handler;
UINT32 flags;
int ref;
int minparams;
int maxparams;
};
running_machine &m_machine;
text_buffer *m_console_textbuf;
text_buffer *m_errorlog_textbuf;
debug_command *m_commandlist;
};
#endif
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