{
** $Id: lauxlib.h,v 1.60 2003/04/03 13:35:34 roberto Exp $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
}
  {
        this .h header file is translated by melice
  }

unit lauxlib;

interface

uses lua;

type
  luaL_reg = record
    name: pchar;
    func: lua_CFunction;
  end;

procedure luaL_openlib(L: lua_State; libname: pchar; lr: luaL_reg;
  nup: int); stdcall; external Luadll;

function luaL_getmetafield(L: lua_State; obj: int;
  e: pchar): int; stdcall; external Luadll;
function luaL_callmeta(L: lua_State; obj: int;
  e: pchar): int; stdcall; external Luadll;
function luaL_typerror(L: lua_State; narg: int;
  tname: pchar): int; stdcall; external Luadll;
function luaL_argerror(L: lua_State; numarg: int;
  extramsg: pchar): int; stdcall; external Luadll;
function luaL_checklstring(L: lua_State; numArg: int;
  st: size_t): pchar; stdcall; external Luadll;

function luaL_optlstring(L: lua_State; numArg: int; def: pchar;
  sz: size_t): pchar; stdcall; external Luadll;

function luaL_checknumber(L: lua_State;
  numArg: int): lua_Number; stdcall; external Luadll;
function luaL_optnumber(L: lua_State; nArg: int;
  def: lua_Number): lua_Number; stdcall; external Luadll;

procedure luaL_checkstack(L: lua_State; sz: int;
  msg: pchar); stdcall; external Luadll;
procedure luaL_checktype(L: lua_State; narg: int;
  t: int); stdcall; external Luadll;
procedure luaL_checkany(L: lua_State; narg: int); stdcall; external Luadll;

function luaL_newmetatable(L: lua_State;
  tname: pchar): int; stdcall; external Luadll;
procedure luaL_getmetatable(L: lua_State;
  tname: pchar); stdcall; external Luadll;
procedure luaL_checkudata(L: lua_State; ud: int;
  tname: pchar); stdcall; external Luadll;

procedure luaL_where(L: lua_State; lvl: int); stdcall; external Luadll;
function luaL_error(L: lua_State; fmt: pchar): int; stdcall; external Luadll;

function luaL_findstring(st: pchar; lst: pchar): int; stdcall; external Luadll;

function luaL_ref(L: lua_State; t: int): int; stdcall; external Luadll;
procedure luaL_unref(L: lua_State; t: int; ref: int); stdcall; external Luadll;

function luaL_getn(L: lua_State; t: int): int; stdcall; external Luadll;
procedure luaL_setn(L: lua_State; t: int; n: int); stdcall; external Luadll;

function luaL_loadfile(L: lua_State;
  filename: pchar): int; stdcall; external Luadll;
function luaL_loadbuffer(L: lua_State; buff: pchar; sz: size_t;
  name: pchar): int; stdcall; external Luadll;

{
** ===============================================================
** some useful macros
** ===============================================================
}
{
#define luaL_argcheck(L, cond,numarg,extramsg) if (!(cond)) \
                                               luaL_argerror(L, numarg,extramsg)
#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
#define luaL_checkint(L,n) ((int)luaL_checknumber(L, n))
#define luaL_checklong(L,n) ((long)luaL_checknumber(L, n))
#define luaL_optint(L,n,d) ((int)luaL_optnumber(L, n,(lua_Number)(d)))
#define luaL_optlong(L,n,d) ((long)luaL_optnumber(L, n,(lua_Number)(d)))
}

{
** {======================================================
** Generic Buffer manipulation
** =======================================================
}
const
  BUFSIZ = 60;
  LUAL_BUFFERSIZE = BUFSIZ;

type
  luaL_Buffer = record
    p: pchar; { current position in buffer }
    lvl: int; { number of strings in the stack (level) }
    L: lua_State;
    buffer: array[0..LUAL_BUFFERSIZE] of pchar;
  end;

var
  LualBuffer: luaL_Buffer;

  {
  #define luaL_putchar(B,c) \
    ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
     (*(B)->p++ = (pchar)(c)))

  #define luaL_addsize(B,n) ((B)->p += (n))
  }

procedure luaL_buffinit(L: lua_State; B: luaL_Buffer); stdcall; external Luadll;
function luaL_prepbuffer(B: luaL_Buffer): pchar; stdcall; external Luadll;
procedure luaL_addlstring(B: luaL_Buffer; s: pchar;
  l: size_t); stdcall; external Luadll;
procedure luaL_addstring(B: luaL_Buffer; s: pchar); stdcall; external Luadll;
procedure luaL_addvalue(B: luaL_Buffer); stdcall; external Luadll;
procedure luaL_pushresult(B: luaL_Buffer); stdcall; external Luadll;

{ ====================================================== }

{
** Compatibility macros and functions
}

function lua_dofile(L: lua_State;
  filename: pchar): int; stdcall; external Luadll;
function lua_dostring(L: lua_State; str: pchar): int; stdcall; external Luadll;
function lua_dobuffer(L: lua_State; buff: pchar; sz: size_t;
  n: pchar): int; stdcall; external Luadll;

{
const
luaL_check_lstr=luaL_checklstring;
luaL_opt_lstr=luaL_optlstring;
luaL_check_number=luaL_checknumber;
luaL_opt_number=luaL_optnumber;
luaL_arg_check=luaL_argcheck;
luaL_check_string=luaL_checkstring;
luaL_opt_string=luaL_optstring;
luaL_check_int=luaL_checkint;
luaL_check_long=luaL_checklong;
luaL_opt_int=luaL_optint;
luaL_opt_long=luaL_optlong;

}

implementation

end.