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delphimvcframework/samples/serversideviews_lua/lua4delphi/LuaBind.Intf.pas

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(* *****************************************************************************
* Copyright (C) 1994-2008 Lua.org, 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.
***************************************************************************** *)
{$IFDEF FPC}
{$MODE OBJFPC}{$M+}
{$DEFINE HAVEINLINE}
{$ENDIF}
unit LuaBind.Intf;
interface
uses classes;
type
size_t = Cardinal;
Psize_t = ^size_t;
{$IFNDEF FPC}
PtrInt = Integer;
{$ENDIF}
const
{$IFDEF UNIX}
LUA_LIB = 'liblua5.1.so';
{$ELSE}
LUA_LIB = 'lua5.1.dll';
{$ENDIF}
const
LUA_IDSIZE = 60;
LUAL_BUFFERSIZE = 512;
(*
** $Id: lua.h,v 1.218.1.5 2008/08/06 13:30:12 roberto Exp $
** Lua - An Extensible Extension Language
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
** See Copyright Notice at the end of this file
*)
// #include "luaconf.h"
const
LUA_VERSION = 'Lua 5.1';
LUA_RELEASE = 'Lua 5.1.4';
LUA_VERSION_NUM = 501;
LUA_COPYRIGHT = 'Copyright (C) 1994-2008 Lua.org, PUC-Rio';
LUA_AUTHORS = 'R. Ierusalimschy, L. H. de Figueiredo & W. Celes';
(* mark for precompiled code (`<esc>Lua') *)
LUA_SIGNATURE = #33'Lua';
(* option for multiple returns in `lua_pcall' and `lua_call' *)
LUA_MULTRET = - 1;
(*
** pseudo-indices
*)
LUA_REGISTRYINDEX = - 10000;
LUA_ENVIRONINDEX = - 10001;
LUA_GLOBALSINDEX = - 10002;
function lua_upvalueindex(i: Integer): Integer; {$IFDEF HAVEINLINE}inline; {$ENDIF}
(* thread status; 0 is OK *)
const
LUA_YIELD_ = 1;
LUA_ERRRUN = 2;
LUA_ERRSYNTAX = 3;
LUA_ERRMEM = 4;
LUA_ERRERR = 5;
type
Plua_State = ^lua_State;
lua_State = record
end;
lua_CFunction = function(L: Plua_State): Integer; cdecl;
(*
** functions that read/write blocks when loading/dumping Lua chunks
*)
lua_Reader = function(L: Plua_State; ud: Pointer; sz: Psize_t): PAnsiChar; cdecl;
lua_Writer = function(L: Plua_State; const p: Pointer; sz: Psize_t; ud: Pointer): Integer; cdecl;
(*
** prototype for memory-allocation functions
*)
lua_Alloc = function(ud, ptr: Pointer; osize, nsize: size_t): Pointer; cdecl;
(*
** 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
*)
// #if defined(LUA_USER_H)
// #include LUA_USER_H
// #endif
type
(* type of numbers in Lua *)
lua_Number = Double; // LUA_NUMBER
(* type for integer functions *)
lua_Integer = PtrInt; // LUA_INTEGER
(*
** state manipulation
*)
function lua_newstate(f: lua_Alloc; ud: Pointer): Plua_State; cdecl;
external LUA_LIB name 'lua_newstate';
procedure lua_close(L: Plua_State); cdecl; external LUA_LIB name 'lua_close';
function lua_newthread(L: Plua_State): Plua_State; cdecl; external LUA_LIB name 'lua_newthread';
function lua_atpanic(L: Plua_State; panicf: lua_CFunction): lua_CFunction; cdecl;
external LUA_LIB name 'lua_atpanic';
(*
** basic stack manipulation
*)
function lua_gettop(L: Plua_State): Integer; cdecl; external LUA_LIB name 'lua_gettop';
procedure lua_settop(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_settop';
procedure lua_pushvalue(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_pushvalue';
procedure lua_remove(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_remove';
procedure lua_insert(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_insert';
procedure lua_replace(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_replace';
function lua_checkstack(L: Plua_State; sz: Integer): Integer; cdecl;
external LUA_LIB name 'lua_checkstack';
procedure lua_xmove(from: Plua_State; to_: Plua_State; n: Integer); cdecl;
external LUA_LIB name 'lua_xmove';
(*
** access functions (stack -> C)
*)
function lua_isnumber(L: Plua_State; idx: Integer): Integer; cdecl;
external LUA_LIB name 'lua_isnumber';
function lua_isstring(L: Plua_State; idx: Integer): Integer; cdecl;
external LUA_LIB name 'lua_isstring';
function lua_iscfunction(L: Plua_State; idx: Integer): Integer; cdecl;
external LUA_LIB name 'lua_iscfunction';
function lua_isuserdata(L: Plua_State; idx: Integer): Integer; cdecl;
external LUA_LIB name 'lua_isuserdata';
function lua_type(L: Plua_State; idx: Integer): Integer; cdecl; external LUA_LIB name 'lua_type';
function lua_typename(L: Plua_State; tp: Integer): PAnsiChar; cdecl;
external LUA_LIB name 'lua_typename';
function lua_equal(L: Plua_State; idx1: Integer; idx2: Integer): Integer; cdecl;
external LUA_LIB name 'lua_equal';
function lua_rawequal(L: Plua_State; idx1: Integer; idx2: Integer): Integer; cdecl;
external LUA_LIB name 'lua_rawequal';
function lua_lessthan(L: Plua_State; idx1: Integer; idx2: Integer): Integer; cdecl;
external LUA_LIB name 'lua_lessthan';
function lua_tonumber(L: Plua_State; idx: Integer): lua_Number; cdecl;
external LUA_LIB name 'lua_tonumber';
function lua_tointeger(L: Plua_State; idx: Integer): lua_Integer; cdecl;
external LUA_LIB name 'lua_tointeger';
function lua_toboolean(L: Plua_State; idx: Integer): Integer; cdecl;
external LUA_LIB name 'lua_toboolean';
function lua_tolstring(L: Plua_State; idx: Integer; len: Psize_t): PAnsiChar; cdecl;
external LUA_LIB name 'lua_tolstring';
function lua_objlen(L: Plua_State; idx: Integer): size_t; cdecl; external LUA_LIB name 'lua_objlen';
function lua_tocfunction(L: Plua_State; idx: Integer): lua_CFunction; cdecl;
external LUA_LIB name 'lua_tocfunction';
function lua_touserdata(L: Plua_State; idx: Integer): Pointer; cdecl;
external LUA_LIB name 'lua_touserdata';
function lua_tothread(L: Plua_State; idx: Integer): Plua_State; cdecl;
external LUA_LIB name 'lua_tothread';
function lua_topointer(L: Plua_State; idx: Integer): Pointer; cdecl;
external LUA_LIB name 'lua_topointer';
(*
** push functions (C -> stack)
*)
procedure lua_pushnil(L: Plua_State); cdecl; external LUA_LIB name 'lua_pushnil';
procedure lua_pushnumber(L: Plua_State; n: lua_Number); cdecl;
external LUA_LIB name 'lua_pushnumber';
procedure lua_pushinteger(L: Plua_State; n: lua_Integer); cdecl;
external LUA_LIB name 'lua_pushinteger';
procedure lua_pushlstring(L: Plua_State; const s: PAnsiChar; len: size_t); cdecl;
external LUA_LIB name 'lua_pushlstring';
procedure lua_pushstring(L: Plua_State; const s: PAnsiChar); cdecl;
external LUA_LIB name 'lua_pushstring';
function lua_pushvfstring(L: Plua_State; const fmt: PAnsiChar): PAnsiChar; varargs; cdecl;
external LUA_LIB name 'lua_pushvfstring';
function lua_pushfstring(L: Plua_State; const fmt: PAnsiChar): PAnsiChar; varargs; cdecl;
external LUA_LIB name 'lua_pushfstring';
procedure lua_pushcclosure(L: Plua_State; fn: lua_CFunction; n: Integer); cdecl;
external LUA_LIB name 'lua_pushcclosure';
procedure lua_pushboolean(L: Plua_State; b: Integer); cdecl;
external LUA_LIB name 'lua_pushboolean';
procedure lua_pushlightuserdata(L: Plua_State; p: Pointer); cdecl;
external LUA_LIB name 'lua_pushlightuserdata';
function lua_pushthread(L: Plua_State): Integer; cdecl; external LUA_LIB name 'lua_pushthread';
(*
** get functions (Lua -> stack)
*)
procedure lua_gettable(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_gettable';
procedure lua_getfield(L: Plua_State; idx: Integer; const k: PAnsiChar); cdecl;
external LUA_LIB name 'lua_getfield';
procedure lua_rawget(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_rawget';
procedure lua_rawgeti(L: Plua_State; idx: Integer; n: Integer); cdecl;
external LUA_LIB name 'lua_rawgeti';
procedure lua_createtable(L: Plua_State; narr: Integer; nrec: Integer); cdecl;
external LUA_LIB name 'lua_createtable';
function lua_newuserdata(L: Plua_State; sz: size_t): Pointer; cdecl;
external LUA_LIB name 'lua_newuserdata';
function lua_getmetatable(L: Plua_State; objindex: Integer): Integer; cdecl;
external LUA_LIB name 'lua_getmetatable';
procedure lua_getfenv(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_getfenv';
(*
** set functions (stack -> Lua)
*)
procedure lua_settable(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_settable';
procedure lua_setfield(L: Plua_State; idx: Integer; const k: PAnsiChar); cdecl;
external LUA_LIB name 'lua_setfield';
procedure lua_rawset(L: Plua_State; idx: Integer); cdecl; external LUA_LIB name 'lua_rawset';
procedure lua_rawseti(L: Plua_State; idx: Integer; n: Integer); cdecl;
external LUA_LIB name 'lua_rawseti';
function lua_setmetatable(L: Plua_State; objindex: Integer): Integer; cdecl;
external LUA_LIB name 'lua_setmetatable';
function lua_setfenv(L: Plua_State; idx: Integer): Integer; cdecl;
external LUA_LIB name 'lua_setfenv';
(*
** `load' and `call' functions (load and run Lua code)
*)
procedure lua_call(L: Plua_State; nargs: Integer; nresults: Integer); cdecl;
external LUA_LIB name 'lua_call';
function lua_pcall(L: Plua_State; nargs: Integer; nresults: Integer; errfunc: Integer): Integer;
cdecl; external LUA_LIB name 'lua_pcall';
function lua_cpcall(L: Plua_State; func: lua_CFunction; ud: Pointer): Integer; cdecl;
external LUA_LIB name 'lua_cpcall';
function lua_load(L: Plua_State; reader: lua_Reader; dt: Pointer; const chunkname: PAnsiChar)
: Integer; cdecl; external LUA_LIB name 'lua_load';
function lua_dump(L: Plua_State; writer: lua_Writer; data: Pointer): Integer; cdecl;
external LUA_LIB name 'lua_dump';
(*
** coroutine functions
*)
function lua_yield(L: Plua_State; nresults: Integer): Integer; cdecl;
external LUA_LIB name 'lua_yield';
function lua_resume(L: Plua_State; narg: Integer): Integer; cdecl;
external LUA_LIB name 'lua_resume';
function lua_status(L: Plua_State): Integer; cdecl; external LUA_LIB name 'lua_status';
(*
** garbage-collection function and options
*)
const
LUA_GCSTOP = 0;
LUA_GCRESTART = 1;
LUA_GCCOLLECT = 2;
LUA_GCCOUNT = 3;
LUA_GCCOUNTB = 4;
LUA_GCSTEP = 5;
LUA_GCSETPAUSE = 6;
LUA_GCSETSTEPMUL = 7;
function lua_gc(L: Plua_State; what: Integer; data: Integer): Integer; cdecl;
external LUA_LIB name 'lua_gc';
(*
** miscellaneous functions
*)
function lua_error(L: Plua_State): Integer; cdecl; external LUA_LIB name 'lua_error';
function lua_next(L: Plua_State; idx: Integer): Integer; cdecl; external LUA_LIB name 'lua_next';
procedure lua_concat(L: Plua_State; n: Integer); cdecl; external LUA_LIB name 'lua_concat';
function lua_getallocf(L: Plua_State; var ud: Pointer): lua_Alloc; cdecl;
external LUA_LIB name 'lua_getallocf';
procedure lua_setallocf(L: Plua_State; f: lua_Alloc; ud: Pointer); cdecl;
external LUA_LIB name 'lua_setallocf ';
(*
** ===============================================================
** some useful macros
** ===============================================================
*)
procedure lua_pop(L: Plua_State; n: Integer); {$IFDEF HAVEINLINE}inline; {$ENDIF}
procedure lua_newtable(L: Plua_State); {$IFDEF HAVEINLINE}inline; {$ENDIF}
procedure lua_register(L: Plua_State; n: PAnsiChar; f: lua_CFunction); {$IFDEF HAVEINLINE}inline;
{$ENDIF}
procedure lua_pushcfunction(L: Plua_State; f: lua_CFunction); {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_strlen(L: Plua_State; i: Integer): size_t; cdecl; external LUA_LIB name 'lua_objlen';
function lua_isfunction(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_istable(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_islightuserdata(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline;
{$ENDIF}
function lua_isnil(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_isboolean(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_isthread(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_isnone(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_isnoneornil(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
procedure lua_pushliteral(L: Plua_State; const s: PAnsiChar); {$IFDEF HAVEINLINE}inline; {$ENDIF}
procedure lua_setglobal(L: Plua_State; s: PAnsiChar); {$IFDEF HAVEINLINE}inline; {$ENDIF}
procedure lua_getglobal(L: Plua_State; const s: PAnsiChar); {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_tostring(L: Plua_State; i: Integer): PAnsiChar; {$IFDEF HAVEINLINE}inline; {$ENDIF}
(*
** compatibility macros and functions
*)
function lua_open: Plua_State; cdecl; external LUA_LIB name 'luaL_newstate';
procedure lua_getregistry(L: Plua_State); {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_getgccount(L: Plua_State): Integer; {$IFDEF HAVEINLINE}inline; {$ENDIF}
type
lua_Chunkreader = type lua_Reader;
lua_Chunkwriter = type lua_Writer;
(* hack *)
procedure lua_setlevel(from: Plua_State; to_: Plua_State); cdecl;
external LUA_LIB name 'lua_setlevel ';
(*
** {======================================================================
** Debug API
** =======================================================================
*)
(*
** Event codes
*)
const
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_MASKTAILRET = (1 shl LUA_HOOKTAILRET);
type
Plua_Debug = ^lua_Debug;
lua_Debug = record
event: Integer;
name: PAnsiChar; (* (n) *)
namewhat: PAnsiChar; (* (n) `global', `local', `field', `method' *)
what: PAnsiChar; (* (S) `Lua', `C', `main', `tail' *)
source: PAnsiChar; (* (S) *)
currentline: Integer; (* (l) *)
nups: Integer; (* (u) number of upvalues *)
linedefined: Integer; (* (S) *)
lastlinedefined: Integer; (* (S) *)
short_src: array [0 .. LUA_IDSIZE - 1] of AnsiChar; (* (S) *)
(* private part *)
i_ci: Integer; (* active function *)
end; (* activation record *)
(* Functions to be called by the debuger in specific events *)
lua_Hook = procedure(L: Plua_State; ar: Plua_Debug); cdecl;
function lua_getstack(L: Plua_State; level: Integer; ar: Plua_Debug): Integer; cdecl;
external LUA_LIB name 'lua_getstack';
function lua_getinfo(L: Plua_State; const what: PAnsiChar; ar: Plua_Debug): Integer; cdecl;
external LUA_LIB name 'lua_getinfo';
function lua_getlocal(L: Plua_State; const ar: Plua_Debug; n: Integer): PAnsiChar; cdecl;
external LUA_LIB name 'lua_getlocal';
function lua_setlocal(L: Plua_State; const ar: Plua_Debug; n: Integer): PAnsiChar; cdecl;
external LUA_LIB name 'lua_setlocal';
function lua_getupvalue(L: Plua_State; funcindex: Integer; n: Integer): PAnsiChar; cdecl;
external LUA_LIB name 'lua_getupvalue';
function lua_setupvalue(L: Plua_State; funcindex: Integer; n: Integer): PAnsiChar; cdecl;
external LUA_LIB name 'lua_setupvalue';
function lua_sethook(L: Plua_State; func: lua_Hook; mask: Integer; count: Integer): Integer; cdecl;
external LUA_LIB name 'lua_sethook';
function lua_gethook(L: Plua_State): lua_Hook; cdecl; external LUA_LIB name 'lua_gethook';
function lua_gethookmask(L: Plua_State): Integer; cdecl; external LUA_LIB name 'lua_gethookmask';
function lua_gethookcount(L: Plua_State): Integer; cdecl; external LUA_LIB name 'lua_gethookcount';
(* }====================================================================== *)
(*
** $Id: lauxlib.h,v 1.88.1.1 2007/12/27 13:02:25 roberto Exp $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*)
// #if defined(LUA_COMPAT_GETN)
// LUALIB_API int (luaL_getn) (lua_State *L, int t);
// LUALIB_API void (luaL_setn) (lua_State *L, int t, int n);
// #else
function luaL_getn(L: Plua_State; idx: Integer): Integer; {$IFDEF HAVEINLINE}inline; {$ENDIF}
// #define luaL_setn(L,i,j) ((void)0) (* no op! *)
// #endif
// #if defined(LUA_COMPAT_OPENLIB)
// #define luaI_openlib luaL_openlib
// #endif
(* extra error code for `luaL_load' *)
const
LUA_ERRFILE = LUA_ERRERR + 1;
type
PluaL_Reg = ^luaL_Reg;
luaL_Reg = record
name: PAnsiChar;
func: lua_CFunction;
end;
procedure luaI_openlib(L: Plua_State; const libname: PAnsiChar; const lr: PluaL_Reg; nup: Integer);
cdecl; external LUA_LIB name 'luaI_openlib';
procedure luaL_register(L: Plua_State; const libname: PAnsiChar; const lr: PluaL_Reg); cdecl;
external LUA_LIB name 'luaL_register';
function luaL_getmetafield(L: Plua_State; obj: Integer; const e: PAnsiChar): Integer; cdecl;
external LUA_LIB name 'luaL_getmetafield';
function luaL_callmeta(L: Plua_State; obj: Integer; const e: PAnsiChar): Integer; cdecl;
external LUA_LIB name 'luaL_callmeta';
function luaL_typerror(L: Plua_State; narg: Integer; const tname: PAnsiChar): Integer; cdecl;
external LUA_LIB name 'luaL_typerror';
function luaL_argerror(L: Plua_State; numarg: Integer; const extramsg: PAnsiChar): Integer; cdecl;
external LUA_LIB name 'luaL_argerror';
function luaL_checklstring(L: Plua_State; numarg: Integer; len: Psize_t): PAnsiChar; cdecl;
external LUA_LIB name 'luaL_checklstring';
function luaL_optlstring(L: Plua_State; numarg: Integer; const def: PAnsiChar; len: Psize_t)
: PAnsiChar; cdecl; external LUA_LIB name 'luaL_optlstring';
function luaL_checknumber(L: Plua_State; numarg: Integer): lua_Number; cdecl;
external LUA_LIB name 'luaL_checknumber';
function luaL_optnumber(L: Plua_State; narg: Integer; def: lua_Number): lua_Number; cdecl;
external LUA_LIB name 'luaL_optnumber';
function luaL_checkinteger(L: Plua_State; numarg: Integer): lua_Integer; cdecl;
external LUA_LIB name 'luaL_checkinteger';
function luaL_optinteger(L: Plua_State; narg: Integer; def: lua_Integer): lua_Integer; cdecl;
external LUA_LIB name 'luaL_optinteger';
procedure luaL_checkstack(L: Plua_State; sz: Integer; const msg: PAnsiChar); cdecl;
external LUA_LIB name 'luaL_checkstack';
procedure luaL_checktype(L: Plua_State; narg: Integer; t: Integer); cdecl;
external LUA_LIB name 'luaL_checktype';
procedure luaL_checkany(L: Plua_State; narg: Integer); cdecl; external LUA_LIB name 'luaL_checkany';
function luaL_newmetatable(L: Plua_State; const tname: PAnsiChar): Integer; cdecl;
external LUA_LIB name 'luaL_newmetatable';
function luaL_checkudata(L: Plua_State; ud: Integer; const tname: PAnsiChar): Pointer; cdecl;
external LUA_LIB name 'luaL_checkudata';
procedure luaL_where(L: Plua_State; lvl: Integer); cdecl; external LUA_LIB name 'luaL_where';
function luaL_error(L: Plua_State; const fmt: PAnsiChar): Integer; varargs; cdecl;
external LUA_LIB name 'luaL_error';
function luaL_checkoption(L: Plua_State; narg: Integer; const def: PAnsiChar; const lst: PPAnsiChar)
: Integer; cdecl; external LUA_LIB name 'luaL_checkoption';
function luaL_ref(L: Plua_State; t: Integer): Integer; cdecl; external LUA_LIB name 'luaL_ref';
procedure luaL_unref(L: Plua_State; t: Integer; ref: Integer); cdecl;
external LUA_LIB name 'luaL_unref';
function luaL_loadfile(L: Plua_State; const filename: PAnsiChar): Integer; cdecl;
external LUA_LIB name 'luaL_loadfile';
function luaL_loadbuffer(L: Plua_State; const buff: PAnsiChar; sz: size_t; const name: PAnsiChar)
: Integer; cdecl; external LUA_LIB name 'luaL_loadbuffer';
function luaL_loadstring(L: Plua_State; const s: PAnsiChar): Integer; cdecl;
external LUA_LIB name 'luaL_loadstring';
function luaL_newstate: Plua_State; cdecl; external LUA_LIB name 'luaL_newstate:';
function luaL_gsub(L: Plua_State; const s: PAnsiChar; const p: PAnsiChar; const r: PAnsiChar)
: PAnsiChar; cdecl; external LUA_LIB name 'luaL_gsub';
function luaL_findtable(L: Plua_State; idx: Integer; const fname: PAnsiChar; szhint: Integer)
: PAnsiChar; cdecl; external LUA_LIB name 'luaL_findtable';
(*
** ===============================================================
** some useful macros
** ===============================================================
*)
function luaL_argcheck(L: Plua_State; cond: Boolean; numarg: Integer; const extramsg: PAnsiChar)
: Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function luaL_checkstring(L: Plua_State; n: Integer): PAnsiChar; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function luaL_optstring(L: Plua_State; n: Integer; d: PAnsiChar): PAnsiChar;
{$IFDEF HAVEINLINE}inline; {$ENDIF}
function luaL_checkint(L: Plua_State; n: Integer): Integer; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function luaL_optint(L: Plua_State; n: Integer; d: lua_Integer): Integer; {$IFDEF HAVEINLINE}inline;
{$ENDIF}
function luaL_checklong(L: Plua_State; n: Integer): LongInt; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function luaL_optlong(L: Plua_State; n: Integer; d: lua_Integer): LongInt;
{$IFDEF HAVEINLINE}inline; {$ENDIF}
function luaL_typename(L: Plua_State; i: Integer): PAnsiChar; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function luaL_dofile(L: Plua_State; fn: PAnsiChar): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function luaL_dostring(L: Plua_State; s: PAnsiChar): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
procedure luaL_getmetatable(L: Plua_State; n: PAnsiChar); {$IFDEF HAVEINLINE}inline; {$ENDIF}
// #define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
(*
** {======================================================
** Generic Buffer manipulation
** =======================================================
*)
type
PluaL_Buffer = ^luaL_Buffer;
luaL_Buffer = record
p: PAnsiChar; (* current position in buffer *)
lvl: Integer; (* number of strings in the stack (level) *)
L: Plua_State;
buffer: array [0 .. LUAL_BUFFERSIZE - 1] of AnsiChar;
end;
// #define luaL_addchar(B,c) \
// ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
// (*(B)->p++ = (char)(c)))
//
// (* compatibility only *)
// #define luaL_putchar(B,c) luaL_addchar(B,c)
//
// #define luaL_addsize(B,n) ((B)->p += (n))
procedure luaL_buffinit(L: Plua_State; b: PluaL_Buffer); cdecl;
external LUA_LIB name 'luaL_buffinit';
function luaL_prepbuffer(b: PluaL_Buffer): PAnsiChar; cdecl;
external LUA_LIB name 'luaL_prepbuffer';
procedure luaL_addlstring(b: PluaL_Buffer; const s: PAnsiChar; L: size_t); cdecl;
external LUA_LIB name 'luaL_addlstring';
procedure luaL_addstring(b: PluaL_Buffer; const s: PAnsiChar); cdecl;
external LUA_LIB name 'luaL_addstring';
procedure luaL_addvalue(b: PluaL_Buffer); cdecl; external LUA_LIB name 'luaL_addvalue';
procedure luaL_pushresult(b: PluaL_Buffer); cdecl; external LUA_LIB name 'luaL_pushresult';
(* }====================================================== *)
(* compatibility with ref system *)
(* pre-defined references *)
const
LUA_NOREF = - 2;
LUA_REFNIL = - 1;
// #define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) : \
// (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))
//
// #define lua_unref(L,ref) luaL_unref(L, LUA_REGISTRYINDEX, (ref))
//
// #define lua_getref(L,ref) lua_rawgeti(L, LUA_REGISTRYINDEX, (ref))
(*
** $Id: lualib.h,v 1.36.1.1 2007/12/27 13:02:25 roberto Exp $
** Lua standard libraries
** See Copyright Notice in lua.h
*)
(* Key to file-handle type *)
const
LUA_FILEHANDLE = 'FILE*';
LUA_COLIBNAME = 'coroutine';
LUA_TABLIBNAME = 'table';
LUA_IOLIBNAME = 'io';
LUA_OSLIBNAME = 'os';
LUA_STRLIBNAME = 'string';
LUA_MATHLIBNAME = 'math';
LUA_DBLIBNAME = 'debug';
LUA_LOADLIBNAME = 'package';
function luaopen_base(L: Plua_State): Integer; cdecl; external LUA_LIB name 'luaopen_base';
function luaopen_table(L: Plua_State): Integer; cdecl; external LUA_LIB name 'luaopen_table';
function luaopen_io(L: Plua_State): Integer; cdecl; external LUA_LIB name 'luaopen_io';
function luaopen_os(L: Plua_State): Integer; cdecl; external LUA_LIB name 'luaopen_os';
function luaopen_string(L: Plua_State): Integer; cdecl; external LUA_LIB name 'luaopen_string';
function luaopen_math(L: Plua_State): Integer; cdecl; external LUA_LIB name 'luaopen_math';
function luaopen_debug(L: Plua_State): Integer; cdecl; external LUA_LIB name 'luaopen_debug';
function luaopen_package(L: Plua_State): Integer; cdecl; external LUA_LIB name 'luaopen_package';
(* open all previous libraries *)
procedure luaL_openlibs(L: Plua_State); cdecl; external LUA_LIB name 'luaL_openlibs';
// usefull
function lua_app_alloc(ud, ptr: Pointer; osize, nsize: size_t): Pointer; cdecl;
function lua_processsor_loadstream(L: Plua_State; stream: TStream; chunkname: PAnsiChar): Integer;
function lua_processsor_loadfile(L: Plua_State; const filename: string;
chunkname: PAnsiChar): Integer;
function lua_processsor_dofile(L: Plua_State; const filename: string; chunkname: PAnsiChar)
: Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
function lua_processsor_dostream(L: Plua_State; stream: TStream; chunkname: PAnsiChar): Boolean;
{$IFDEF HAVEINLINE}inline; {$ENDIF}
implementation
uses
sysutils, ansistrings;
procedure lua_pop(L: Plua_State; n: Integer); {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
lua_settop(L, - (n) - 1)
end;
procedure lua_newtable(L: Plua_State); {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
lua_createtable(L, 0, 0)
end;
procedure lua_register(L: Plua_State; n: PAnsiChar; f: lua_CFunction); {$IFDEF HAVEINLINE}inline;
{$ENDIF}
begin
lua_pushcfunction(L, f);
lua_setglobal(L, n);
end;
procedure lua_pushcfunction(L: Plua_State; f: lua_CFunction); {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
lua_pushcclosure(L, f, 0)
end;
function lua_isfunction(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_type(L, n) = LUA_TFUNCTION;
end;
function lua_istable(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_type(L, n) = LUA_TTABLE;
end;
function lua_islightuserdata(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline;
{$ENDIF}
begin
Result := lua_type(L, n) = LUA_TLIGHTUSERDATA;
end;
function lua_isnil(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_type(L, n) = LUA_TNIL;
end;
function lua_isboolean(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_type(L, n) = LUA_TBOOLEAN;
end;
function lua_isthread(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_type(L, n) = LUA_TTHREAD;
end;
function lua_isnone(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_type(L, n) = LUA_TNONE;
end;
function lua_isnoneornil(L: Plua_State; n: Integer): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_type(L, n) <= 0;
end;
procedure lua_setglobal(L: Plua_State; s: PAnsiChar); {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
lua_setfield(L, LUA_GLOBALSINDEX, s)
end;
procedure lua_getglobal(L: Plua_State; const s: PAnsiChar); {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
lua_getfield(L, LUA_GLOBALSINDEX, s);
end;
function lua_tostring(L: Plua_State; i: Integer): PAnsiChar; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_tolstring(L, i, nil);
end;
procedure lua_pushliteral(L: Plua_State; const s: PAnsiChar); {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
lua_pushlstring(L, s, AnsiStrings.StrLen(s))
end;
procedure lua_getregistry(L: Plua_State); {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
lua_pushvalue(L, LUA_REGISTRYINDEX);
end;
function lua_getgccount(L: Plua_State): Integer; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_gc(L, LUA_GCCOUNT, 0);
end;
function luaL_argcheck(L: Plua_State; cond: Boolean; numarg: Integer; const extramsg: PAnsiChar)
: Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := cond or (luaL_argerror(L, numarg, extramsg) <> 0)
end;
function luaL_checkstring(L: Plua_State; n: Integer): PAnsiChar; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := luaL_checklstring(L, n, nil);
end;
function luaL_optstring(L: Plua_State; n: Integer; d: PAnsiChar): PAnsiChar;
{$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := luaL_optlstring(L, n, d, nil)
end;
function luaL_getn(L: Plua_State; idx: Integer): Integer; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_objlen(L, idx);
end;
function luaL_checkint(L: Plua_State; n: Integer): Integer; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := luaL_checkinteger(L, n);
end;
function luaL_optint(L: Plua_State; n: Integer; d: lua_Integer): Integer; {$IFDEF HAVEINLINE}inline;
{$ENDIF}
begin
Result := luaL_optinteger(L, n, d);
end;
function luaL_checklong(L: Plua_State; n: Integer): LongInt; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := luaL_checkinteger(L, n);
end;
function luaL_optlong(L: Plua_State; n: Integer; d: lua_Integer): LongInt;
{$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := luaL_optinteger(L, n, d);
end;
function luaL_typename(L: Plua_State; i: Integer): PAnsiChar; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := lua_typename(L, lua_type(L, i));
end;
function luaL_dofile(L: Plua_State; fn: PAnsiChar): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := (luaL_loadfile(L, fn) <> 0) or (lua_pcall(L, 0, LUA_MULTRET, 0) <> 0);
end;
function luaL_dostring(L: Plua_State; s: PAnsiChar): Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := (luaL_loadstring(L, s) <> 0) or (lua_pcall(L, 0, LUA_MULTRET, 0) <> 0);
end;
procedure luaL_getmetatable(L: Plua_State; n: PAnsiChar); {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
lua_getfield(L, LUA_REGISTRYINDEX, n);
end;
function lua_upvalueindex(i: Integer): Integer; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := (LUA_GLOBALSINDEX - (i));
end;
function lua_app_alloc(ud, ptr: Pointer; osize, nsize: size_t): Pointer; cdecl;
begin
if (nsize > 0) then
begin
if ptr = nil then
GetMem(Result, nsize)
else
begin
ReallocMem(ptr, nsize);
Result := ptr;
end;
end
else
begin
if ptr <> nil then
FreeMem(ptr);
Result := nil;
end;
end;
type
TLuaState = (
lsStart,
lsLessThan,
lsEscape,
lsEscapeClose,
lsLua,
lsLuaBody,
lsLuaBodyEnd,
lsLuaEqual,
lsLuaEqualEnd
);
PLuaTextProcessor = ^TLuaTextProcessor;
TLuaTextProcessor = record
stream: TStream;
state: TLuaState;
outbuffer: array [0 .. 1023] of AnsiChar;
end;
function lua_stream_reader(L: Plua_State; ud: Pointer; sz: Psize_t): PAnsiChar; cdecl;
var
inbuffer : array [0 .. 1023] of AnsiChar;
inlen, outlen: Integer;
pr : PLuaTextProcessor;
pin, pout : PAnsiChar;
c : AnsiChar;
function Append(const str: PAnsiChar; L: Integer): Boolean;
begin
if outlen + L <= sizeof(pr.outbuffer) then
begin
move(str^, pout^, L);
inc(pout, L);
inc(outlen, L);
Result := true;
end
else
Result := false;
end;
label
redo,
needspace;
begin
pr := PLuaTextProcessor(ud);
inlen := pr.stream.Read(inbuffer, sizeof(inbuffer));
outlen := 0;
pin := @inbuffer;
pout := @pr.outbuffer;
while (inlen > 0) do
begin
c := pin^;
redo:
case pr.state of
lsStart:
begin
case c of
'<':
pr.state := lsLessThan;
else
if not Append('print("', 7) then
goto needspace;
pr.state := lsEscape;
goto redo;
end;
end;
lsLessThan:
begin
case c of
'%':
pr.state := lsLua;
else
if not Append('print("<', 8) then
goto needspace;
pr.state := lsEscape;
goto redo;
end;
end;
lsEscape:
begin
case c of
'<':
pr.state := lsEscapeClose;
else
case c of
#7:
if not Append('\a', 2) then
goto needspace;
#8:
if not Append('\b', 2) then
goto needspace;
#9:
if not Append('\t', 2) then
goto needspace;
#10:
if not Append('\n")'#10'print("', 12) then
goto needspace;
#11:
if not Append('\v', 2) then
goto needspace;
#13:
if not Append('\r', 2) then
goto needspace;
'\':
if not Append('\\', 2) then
goto needspace;
'"':
if not Append('\"', 2) then
goto needspace;
'''':
if not Append('\''', 2) then
goto needspace;
else
if not Append(pin, 1) then
goto needspace;
end;
end;
end;
lsEscapeClose:
begin
case c of
'%':
begin
if not Append('");', 3) then
goto needspace;
pr.state := lsLua;
end;
else
if not Append('<', 1) then
goto needspace;
pr.state := lsEscape;
goto redo;
end;
end;
lsLua:
begin
case c of
'=':
begin
if not Append('print((', 7) then
goto needspace;
pr.state := lsLuaEqual;
end;
'%':
pr.state := lsLuaBodyEnd;
else
if not Append(pin, 1) then
goto needspace;
pr.state := lsLuaBody;
end;
end;
lsLuaBody:
begin
case c of
'%':
pr.state := lsLuaBodyEnd;
else
if not Append(pin, 1) then
goto needspace;
end;
end;
lsLuaBodyEnd:
begin
case c of
'>':
pr.state := lsStart;
else
if not Append('%', 1) then
goto needspace;
pr.state := lsLuaBody;
goto redo;
end;
end;
lsLuaEqual:
begin
case c of
'%':
pr.state := lsLuaEqualEnd;
else
if not Append(pin, 1) then
goto needspace;
end;
end;
lsLuaEqualEnd:
begin
case c of
'>':
begin
if not Append('));', 3) then
goto needspace;
pr.state := lsStart;
end;
else
if not Append('%', 1) then
goto needspace;
pr.state := lsLuaEqual;
goto redo;
end;
end;
end;
inc(pin);
dec(inlen);
end;
if outlen = 0 then
begin
case pr.state of
lsLessThan:
Append('print("<")', 10);
lsEscape:
Append('")', 2);
lsEscapeClose:
Append('%")', 3);
end;
pr.state := lsStart;
end;
Result := @pr.outbuffer;
sz^ := outlen;
Exit;
needspace:
pr.stream.Seek( - inlen, soFromCurrent);
Result := @pr.outbuffer;
sz^ := outlen;
end;
function lua_processsor_loadstream(L: Plua_State; stream: TStream; chunkname: PAnsiChar): Integer;
var
bom : array [0 .. 2] of Byte;
processor: TLuaTextProcessor;
begin
processor.stream := stream;
processor.state := lsStart;
// skip utf8 bom
stream.Seek(0, soFromBeginning);
if not ((stream.Read(bom, 3) = 3) and (bom[0] = $EF) and (bom[1] = $BB) and (bom[2] = $BF)) then
stream.Seek(0, soFromBeginning);
Result := lua_load(L, @lua_stream_reader, @processor, chunkname);
end;
function lua_processsor_loadfile(L: Plua_State; const filename: string;
chunkname: PAnsiChar): Integer;
var
stream: TFileStream;
begin
stream := TFileStream.Create(filename, fmOpenRead or fmShareDenyNone);
try
Result := lua_processsor_loadstream(L, stream, chunkname);
finally
stream.Free;
end;
end;
function lua_processsor_dofile(L: Plua_State; const filename: string; chunkname: PAnsiChar)
: Boolean; {$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := (lua_processsor_loadfile(L, filename, chunkname) = 0) and
(lua_pcall(L, 0, LUA_MULTRET, 0) = 0);
end;
function lua_processsor_dostream(L: Plua_State; stream: TStream; chunkname: PAnsiChar): Boolean;
{$IFDEF HAVEINLINE}inline; {$ENDIF}
begin
Result := (lua_processsor_loadstream(L, stream, chunkname) = 0) and
(lua_pcall(L, 0, LUA_MULTRET, 0) = 0);
end;
end.
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