/*
** $Id: lcmd.h $
** Command execution for backtick syntax
** See Copyright Notice in lua.h
*/

#ifndef lcmd_h
#define lcmd_h

#include "lua.h"

/* Upvalue indices for shell functions on the main chunk.
** Index 0 is _ENV (standard). Indices 1-4 are lush shell functions. */
#define LUSH_UPVAL_COMMAND      1
#define LUSH_UPVAL_INTERACTIVE  2
#define LUSH_UPVAL_GETENV       3
#define LUSH_UPVAL_SETENV       4
#define LUSH_NUM_UPVALS         5  /* total: _ENV(0) + 4 shell functions */

int lushCmd_command (lua_State *L);
int lushCmd_interactive (lua_State *L);
int lushCmd_getenv (lua_State *L);
int lushCmd_setenv (lua_State *L);

#endif