lua头文件的pas翻译_lua.h

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  {
  ** $Id: lua.h,v 1.175b 2003/03/18 12:31:39 roberto Exp $
  ** Lua - An Extensible Extension Language
  ** Tecgraf: Computer Graphics Technology Group, PUC-Rio, Brazil
  ** http://www.lua.org mailto:[email protected]
  ** See Copyright Notice at the end of this file
  }
  {
        this .h header file is translated by melice
  }

unit Lua;
interface

const
  LuaDLL = 'LuaLibDll.dll';

type
  lua_state = pointer;
  int = integer;
  size_t = int;

  va_list = int;

const

  sLUA_VERSION = 'Lua 5.0.2';
  sLUA_COPYRIGHT = 'Copyright (C) 1994-2004 Tecgraf, PUC-Rio';
  sLUA_AUTHORS = 'R. Ierusalimschy, L. H. de Figueiredo & W. Celes';

  { option for multiple returns in `lua_pcall' and `lua_call' }
  LUA_MULTRET = -1;

  {
  ** pseudo-indices
  }
  LUA_REGISTRYINDEX = -10000;
  LUA_GLOBALSINDEX = -10001;

  //  #define lua_upvalueindex(i) (LUA_GLOBALSINDEX-(i))

    { error codes for `lua_load' and `lua_pcall' }
  LUA_ERRRUN = 1;
  LUA_ERRFILE = 2;
  LUA_ERRSYNTAX = 3;
  LUA_ERRMEM = 4;
  LUA_ERRERR = 5;

  //  typedef struct lua_State lua_State;

type
  lua_CFunction = function(L: lua_state): int;

  {
  ** functions that read/write blocks when loading/dumping Lua chunks
  }
  lua_Chunkreader = function(L: lua_State; ud: pointer; sz: size_t): pchar;

  lua_Chunkwriter = function(L: lua_State; p: pointer; sz: size_t; ud: pointer):
    int;

  {
  ** basic types
  }
const

  LUA_TNONE = -1;

  LUA_TNIL = 0;
  LUA_TBOOLEAN = 1;
  LUA_TLIGHTUSERDATA = 2;
  LUA_TNUMBER = 3;
  LUA_TSTRING = 4;
  LUA_TTABLE = 5;
  LUA_TFUNCTION = 6;
  LUA_TUSERDATA = 7;
  LUA_TTHREAD = 8;

  { minimum Lua stack available to a C function }
  LUA_MINSTACK = 20;

  {
  ** generic extra include file
  }

  { type of numbers in Lua }
type
  lua_Number = double;

  {
  ** state manipulation
  }
function lua_open: lua_State; stdcall; external Luadll;
procedure lua_close(L: lua_State); stdcall; external Luadll;
function lua_newthread(L: lua_State): lua_State; stdcall; external Luadll;

function lua_atpanic(L: lua_State; panicf: lua_CFunction): lua_CFunction;
stdcall; external Luadll;

{
** basic stack manipulation
}
function lua_gettop(L: lua_State): int; stdcall; external Luadll;
procedure lua_settop(L: lua_State; idx: int); stdcall; external Luadll;
procedure lua_pushvalue(L: lua_State; idx: int); stdcall; external Luadll;
procedure lua_remove(L: lua_State; idx: int); stdcall; external Luadll;
procedure lua_insert(L: lua_State; idx: int); stdcall; external Luadll;
procedure lua_replace(L: lua_State; idx: int); stdcall; external Luadll;
function lua_checkstack(L: lua_State; sz: int): int; stdcall; external Luadll;

procedure lua_xmove(fromls: lua_State; tols: lua_State; n: int); stdcall;
external
  Luadll;

{
** access functions (stack -> C)
}

function lua_isnumber(L: lua_State; idx: int): int; stdcall; external Luadll;
function lua_isstring(L: lua_State; idx: int): int; stdcall; external Luadll;
function lua_iscfunction(L: lua_State; idx: int): int; stdcall; external Luadll;
function lua_isuserdata(L: lua_State; idx: int): int; stdcall; external Luadll;
function lua_type(L: lua_State; idx: int): int; stdcall; external Luadll;
function lua_typename(L: lua_State; tp: int): pchar; stdcall; external Luadll;

function lua_equal(L: lua_State; idx1: int; idx2: int): int; stdcall; external
Luadll;
function lua_rawequal(L: lua_State; idx1: int; idx2: int): int; stdcall; external
Luadll;
function lua_lessthan(L: lua_State; idx1: int; idx2: int): int; stdcall; external
Luadll;

function lua_tonumber(L: lua_State; idx: int): lua_Number; stdcall; external
Luadll;
function lua_toboolean(L: lua_State; idx: int): int; stdcall; external Luadll;
function lua_tostring(L: lua_State; idx: int): pchar; stdcall; external Luadll;
function lua_strlen(L: lua_State; idx: int): size_t; stdcall; external Luadll;
function lua_tocfunction(L: lua_State; idx: int): lua_CFunction; stdcall;
external Luadll;
procedure lua_touserdata(L: lua_State; idx: int); stdcall; external Luadll;
function lua_tothread(L: lua_State; idx: int): lua_State; stdcall; external
Luadll;
procedure lua_topointer(L: lua_State; idx: int); stdcall; external Luadll;

{
** push functions (C -> stack)
}
procedure lua_pushnil(L: lua_State); stdcall; external Luadll;
procedure lua_pushnumber(L: lua_State; n: lua_Number); stdcall; external Luadll;
procedure lua_pushlstring(L: lua_State; s: pchar; st: size_t); stdcall; external
Luadll;
procedure lua_pushstring(L: lua_State; s: pchar); stdcall; external Luadll;
function lua_pushvfstring(L: lua_State; fmt: pchar; argp: va_list): pchar;
stdcall; external Luadll;
function lua_pushfstring(L: lua_State; fmt: pchar): pchar; stdcall; external
Luadll;
procedure lua_pushcclosure(L: lua_State; fn: lua_CFunction; n: int); stdcall;
external Luadll;
procedure lua_pushboolean(L: lua_State; b: int); stdcall; external Luadll;
procedure lua_pushlightuserdata(L: lua_State; p: pointer); stdcall; external
Luadll;

{
** get functions (Lua -> stack)
}
procedure lua_gettable(L: lua_State; idx: int); stdcall; external Luadll;
procedure lua_rawget(L: lua_State; idx: int); stdcall; external Luadll;
procedure lua_rawgeti(L: lua_State; idx: int; n: int); stdcall; external Luadll;
procedure lua_newtable(L: lua_State); stdcall; external Luadll;
procedure lua_newuserdata(L: lua_State; sz: size_t); stdcall; external Luadll;
function lua_getmetatable(L: lua_State; objindex: int): int; stdcall; external
Luadll;
procedure lua_getfenv(L: lua_State; idx: int); stdcall; external Luadll;

{
** set functions (stack -> Lua)
}
procedure lua_settable(L: lua_State; idx: int); stdcall; external Luadll;
procedure lua_rawset(L: lua_State; idx: int); stdcall; external Luadll;
procedure lua_rawseti(L: lua_State; idx: int; n: int); stdcall; external Luadll;
function lua_setmetatable(L: lua_State;
  objindex: int): int; stdcall; external Luadll;
function lua_setfenv(L: lua_State; idx: int): int; stdcall; external Luadll;

{
** `load' and `call' functions (load and run Lua code)
}
procedure lua_call(L: lua_State; nargs: int;
  nresults: int); stdcall; external Luadll;
function lua_pcall(L: lua_State; nargs: int; nresults: int;
  errfunc: int): int; stdcall; external Luadll;
function lua_cpcall(L: lua_State; func: lua_CFunction;
  ud: pointer): int; stdcall; external Luadll;

function lua_load(L: lua_State; reader: lua_Chunkreader; dt: pointer;
  chunkname: pchar): int; stdcall; external Luadll;

function lua_dump(L: lua_State; writer: lua_Chunkwriter;
  data: pointer): int; stdcall; external Luadll;

{
** coroutine functions
}
function lua_yield(L: lua_State; nresults: int): int; stdcall; external Luadll;
function lua_resume(L: lua_State; narg: int): int; stdcall; external Luadll;

{
** garbage-collection functions
}
function lua_getgcthreshold(L: lua_State): int; stdcall; external Luadll;
function lua_getgccount(L: lua_State): int; stdcall; external Luadll;
procedure lua_setgcthreshold(L: lua_State; newthreshold: int); stdcall; external
Luadll;

{
** miscellaneous functions
}

function lua_version: pchar; stdcall; external Luadll;

function lua_error(L: lua_State): int; stdcall; external Luadll;

function lua_next(L: lua_State; idx: int): int; stdcall; external Luadll;

procedure lua_concat(L: lua_State; n: int); stdcall; external Luadll;

{
** ===============================================================
** some useful macros
** ===============================================================
}


{
#DEFfine lua_boxpointer(L, u)\
  (*(void **)(lua_newuserdata(L, sizeof(void * ))) = (u))

#DEFfine lua_unboxpointer(L, i) (*(void **)(lua_touserdata(L, i)))

#DEFfine lua_pop(L, n)lua_settop(L, -(n) - 1)

#DEFfine lua_register(L, n, f)\
(lua_pushstring(L, n), \
  lua_pushcfunction(L, f), \
  lua_settable(L, LUA_GLOBALSINDEX))

#DEFine lua_pushcfunction(L, f)lua_pushcclosure(L, f, 0)

#DEFine lua_isfunction(L, n)(lua_type(L, n) = = LUA_TFUNCTION)
#DEFine lua_istable(L, n)(lua_type(L, n) = = LUA_TTABLE)
#DEFine lua_islightuserdata(L, n)(lua_type(L, n) = = LUA_TLIGHTUSERDATA)
#DEFine lua_isnil(L, n)(lua_type(L, n) = = LUA_TNIL)
#DEFine lua_isboolean(L, n)(lua_type(L, n) = = LUA_TBOOLEAN)
#DEFine lua_isnone(L, n)(lua_type(L, n) = = LUA_TNONE)
#DEFine lua_isnoneornil(L, n)(lua_type(L, n) <= 0)

#DEFine lua_pushliteral(L, s)\
lua_pushlstring(L, "" s, (sizeof(s) / sizeof(char)) - 1)
}
{
** compatibility macros and functions
}

function lua_pushupvalues(L: lua_State): int; stdcall; external Luadll;

{
** MACRO Functions
}
procedure lua_getregistry(L: lua_state);
procedure lua_setglobal(L: lua_state; s: pchar);
procedure lua_getglobal(L: lua_state; s: pchar);

{ compatibility with ref system }

{ pre-defined references }
const
  LUA_NOREF = -2;
  LUA_REFNIL = -1;
  {
  #DEF ine lua_ref(L, lock)((lock)? luaL_ref(L, LUA_REGISTRYINDEX): \
    (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))

  #DEF ine lua_unref(L, ref)luaL_unref(L, LUA_REGISTRYINDEX, (ref))

  #DEF ine lua_getref(L, ref)lua_rawgeti(L, LUA_REGISTRYINDEX, ref)
  }
  {
  ** {======================================================================
  ** useful definitions for Lua kernel and libraries
  ** =======================================================================
  }

  { formats for Lua numbers }
const
  LUA_NUMBER_SCAN = '%lf';
  LUA_NUMBER_FMT = '%.14 g';

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

  {
  ** {======================================================================
  ** Debug API
  ** =======================================================================
  }

  {
  ** Event codes
  }
  LUA_HOOKCALL = 0;
  LUA_HOOKRET = 1;
  LUA_HOOKLINE = 2;
  LUA_HOOKCOUNT = 3;
  LUA_HOOKTAILRET = 4;

  {
  ** Event masks
  }

  LUA_MASKCALL = (1 shl LUA_HOOKCALL);
  LUA_MASKRET = (1 shl LUA_HOOKRET);
  LUA_MASKLINE = (1 shl LUA_HOOKLINE);
  LUA_MASKCOUNT = (1 shl LUA_HOOKCOUNT);

  LUA_IDSIZE = 60;
type

  lua_Debug = record
    event: int;
    name: pchar; // (n)
    namewhat: pchar; // (n) `global', `local', `field', `method'
    what: pchar; /// (S) `Lua', `C', `main', `tail'
    source: pchar; // (S)
    currentline: int; // (l)
    nups: int; // (u) number of upvalues
    linedefined: int; // (S)
    short_src: array[0..LUA_IDSIZE] of char; // (S)
    // private part
    i_ci: int; // active function
  end;

  lua_Hook = procedure(L: lua_state; ar: lua_debug);

function lua_getstack(L: lua_State; level: int;
  ar: lua_Debug): int; stdcall; external Luadll;
function lua_getinfo(L: lua_State; what: pchar;
  ar: lua_Debug): int; stdcall; external Luadll;
function lua_getlocal(L: lua_State; ar: lua_Debug;
  n: int): pchar; stdcall; external Luadll;
function lua_setlocal(L: lua_State; ar: lua_Debug;
  n: int): pchar; stdcall; external Luadll;
function lua_getupvalue(L: lua_State; funcindex: int;
  n: int): pchar; stdcall; external Luadll;
function lua_setupvalue(L: lua_State; funcindex: int;
  n: int): pchar; stdcall; external Luadll;

function lua_sethook(L: lua_State; func: lua_Hook; mask: int;
  count: int): int; stdcall; external Luadll;
function lua_gethook(L: lua_State): lua_Hook; stdcall; external Luadll;
function lua_gethookmask(L: lua_State): int; stdcall; external Luadll;
function lua_gethookcount(L: lua_State): int; stdcall; external Luadll;

var
  luaState: lua_state;
  luaDebug: lua_Debug; { activation record }

implementation

procedure lua_getregistry(L: lua_state);
begin
  lua_pushvalue(L, LUA_REGISTRYINDEX);
end;

procedure lua_setglobal(L: lua_state; s: pchar);
begin
  lua_pushstring(L, s);
  lua_insert(L, -2);
  lua_settable(L, LUA_GLOBALSINDEX);
end;

procedure lua_getglobal(L: lua_state; s: pchar);
begin
  lua_pushstring(L, s);
  lua_gettable(L, LUA_GLOBALSINDEX);
end;

end.

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

{*****************************************************************************
* Copyright (C) 1994-2004 Tecgraf, PUC-Rio.  All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*****************************************************************************}

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