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-rw-r--r--external/lua-5.3.3/include/lauxlib.h256
-rw-r--r--external/lua-5.3.3/include/lua.h486
-rw-r--r--external/lua-5.3.3/include/lua.hpp9
-rw-r--r--external/lua-5.3.3/include/luaconf.h767
-rw-r--r--external/lua-5.3.3/include/lualib.h58
5 files changed, 1576 insertions, 0 deletions
diff --git a/external/lua-5.3.3/include/lauxlib.h b/external/lua-5.3.3/include/lauxlib.h
new file mode 100644
index 0000000..ddb7c22
--- /dev/null
+++ b/external/lua-5.3.3/include/lauxlib.h
@@ -0,0 +1,256 @@
+/*
+** $Id: lauxlib.h,v 1.129 2015/11/23 11:29:43 roberto Exp $
+** Auxiliary functions for building Lua libraries
+** See Copyright Notice in lua.h
+*/
+
+
+#ifndef lauxlib_h
+#define lauxlib_h
+
+
+#include <stddef.h>
+#include <stdio.h>
+
+#include "lua.h"
+
+
+
+/* extra error code for 'luaL_load' */
+#define LUA_ERRFILE (LUA_ERRERR+1)
+
+
+typedef struct luaL_Reg {
+ const char *name;
+ lua_CFunction func;
+} luaL_Reg;
+
+
+#define LUAL_NUMSIZES (sizeof(lua_Integer)*16 + sizeof(lua_Number))
+
+LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver, size_t sz);
+#define luaL_checkversion(L) \
+ luaL_checkversion_(L, LUA_VERSION_NUM, LUAL_NUMSIZES)
+
+LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
+LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
+LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len);
+LUALIB_API int (luaL_argerror) (lua_State *L, int arg, const char *extramsg);
+LUALIB_API const char *(luaL_checklstring) (lua_State *L, int arg,
+ size_t *l);
+LUALIB_API const char *(luaL_optlstring) (lua_State *L, int arg,
+ const char *def, size_t *l);
+LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int arg);
+LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int arg, lua_Number def);
+
+LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int arg);
+LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int arg,
+ lua_Integer def);
+
+LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
+LUALIB_API void (luaL_checktype) (lua_State *L, int arg, int t);
+LUALIB_API void (luaL_checkany) (lua_State *L, int arg);
+
+LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);
+LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);
+LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);
+LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
+
+LUALIB_API void (luaL_where) (lua_State *L, int lvl);
+LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
+
+LUALIB_API int (luaL_checkoption) (lua_State *L, int arg, const char *def,
+ const char *const lst[]);
+
+LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname);
+LUALIB_API int (luaL_execresult) (lua_State *L, int stat);
+
+/* predefined references */
+#define LUA_NOREF (-2)
+#define LUA_REFNIL (-1)
+
+LUALIB_API int (luaL_ref) (lua_State *L, int t);
+LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
+
+LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,
+ const char *mode);
+
+#define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL)
+
+LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,
+ const char *name, const char *mode);
+LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
+
+LUALIB_API lua_State *(luaL_newstate) (void);
+
+LUALIB_API lua_Integer (luaL_len) (lua_State *L, int idx);
+
+LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
+ const char *r);
+
+LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);
+
+LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname);
+
+LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1,
+ const char *msg, int level);
+
+LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
+ lua_CFunction openf, int glb);
+
+/*
+** ===============================================================
+** some useful macros
+** ===============================================================
+*/
+
+
+#define luaL_newlibtable(L,l) \
+ lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)
+
+#define luaL_newlib(L,l) \
+ (luaL_checkversion(L), luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))
+
+#define luaL_argcheck(L, cond,arg,extramsg) \
+ ((void)((cond) || luaL_argerror(L, (arg), (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_typename(L,i) lua_typename(L, lua_type(L,(i)))
+
+#define luaL_dofile(L, fn) \
+ (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
+
+#define luaL_dostring(L, s) \
+ (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
+
+#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))
+
+#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
+
+#define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)
+
+
+/*
+** {======================================================
+** Generic Buffer manipulation
+** =======================================================
+*/
+
+typedef struct luaL_Buffer {
+ char *b; /* buffer address */
+ size_t size; /* buffer size */
+ size_t n; /* number of characters in buffer */
+ lua_State *L;
+ char initb[LUAL_BUFFERSIZE]; /* initial buffer */
+} luaL_Buffer;
+
+
+#define luaL_addchar(B,c) \
+ ((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \
+ ((B)->b[(B)->n++] = (c)))
+
+#define luaL_addsize(B,s) ((B)->n += (s))
+
+LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
+LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz);
+LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
+LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
+LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
+LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
+LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);
+LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);
+
+#define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE)
+
+/* }====================================================== */
+
+
+
+/*
+** {======================================================
+** File handles for IO library
+** =======================================================
+*/
+
+/*
+** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
+** initial structure 'luaL_Stream' (it may contain other fields
+** after that initial structure).
+*/
+
+#define LUA_FILEHANDLE "FILE*"
+
+
+typedef struct luaL_Stream {
+ FILE *f; /* stream (NULL for incompletely created streams) */
+ lua_CFunction closef; /* to close stream (NULL for closed streams) */
+} luaL_Stream;
+
+/* }====================================================== */
+
+
+
+/* compatibility with old module system */
+#if defined(LUA_COMPAT_MODULE)
+
+LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,
+ int sizehint);
+LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,
+ const luaL_Reg *l, int nup);
+
+#define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0))
+
+#endif
+
+
+/*
+** {==================================================================
+** "Abstraction Layer" for basic report of messages and errors
+** ===================================================================
+*/
+
+/* print a string */
+#if !defined(lua_writestring)
+#define lua_writestring(s,l) fwrite((s), sizeof(char), (l), stdout)
+#endif
+
+/* print a newline and flush the output */
+#if !defined(lua_writeline)
+#define lua_writeline() (lua_writestring("\n", 1), fflush(stdout))
+#endif
+
+/* print an error message */
+#if !defined(lua_writestringerror)
+#define lua_writestringerror(s,p) \
+ (fprintf(stderr, (s), (p)), fflush(stderr))
+#endif
+
+/* }================================================================== */
+
+
+/*
+** {============================================================
+** Compatibility with deprecated conversions
+** =============================================================
+*/
+#if defined(LUA_COMPAT_APIINTCASTS)
+
+#define luaL_checkunsigned(L,a) ((lua_Unsigned)luaL_checkinteger(L,a))
+#define luaL_optunsigned(L,a,d) \
+ ((lua_Unsigned)luaL_optinteger(L,a,(lua_Integer)(d)))
+
+#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
+#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
+
+#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
+#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
+
+#endif
+/* }============================================================ */
+
+
+
+#endif
+
+
diff --git a/external/lua-5.3.3/include/lua.h b/external/lua-5.3.3/include/lua.h
new file mode 100644
index 0000000..f78899f
--- /dev/null
+++ b/external/lua-5.3.3/include/lua.h
@@ -0,0 +1,486 @@
+/*
+** $Id: lua.h,v 1.331 2016/05/30 15:53:28 roberto Exp $
+** Lua - A Scripting Language
+** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
+** See Copyright Notice at the end of this file
+*/
+
+
+#ifndef lua_h
+#define lua_h
+
+#include <stdarg.h>
+#include <stddef.h>
+
+
+#include "luaconf.h"
+
+
+#define LUA_VERSION_MAJOR "5"
+#define LUA_VERSION_MINOR "3"
+#define LUA_VERSION_NUM 503
+#define LUA_VERSION_RELEASE "3"
+
+#define LUA_VERSION "Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
+#define LUA_RELEASE LUA_VERSION "." LUA_VERSION_RELEASE
+#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2016 Lua.org, PUC-Rio"
+#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
+
+
+/* mark for precompiled code ('<esc>Lua') */
+#define LUA_SIGNATURE "\x1bLua"
+
+/* option for multiple returns in 'lua_pcall' and 'lua_call' */
+#define LUA_MULTRET (-1)
+
+
+/*
+** Pseudo-indices
+** (-LUAI_MAXSTACK is the minimum valid index; we keep some free empty
+** space after that to help overflow detection)
+*/
+#define LUA_REGISTRYINDEX (-LUAI_MAXSTACK - 1000)
+#define lua_upvalueindex(i) (LUA_REGISTRYINDEX - (i))
+
+
+/* thread status */
+#define LUA_OK 0
+#define LUA_YIELD 1
+#define LUA_ERRRUN 2
+#define LUA_ERRSYNTAX 3
+#define LUA_ERRMEM 4
+#define LUA_ERRGCMM 5
+#define LUA_ERRERR 6
+
+
+typedef struct lua_State lua_State;
+
+
+/*
+** basic types
+*/
+#define LUA_TNONE (-1)
+
+#define LUA_TNIL 0
+#define LUA_TBOOLEAN 1
+#define LUA_TLIGHTUSERDATA 2
+#define LUA_TNUMBER 3
+#define LUA_TSTRING 4
+#define LUA_TTABLE 5
+#define LUA_TFUNCTION 6
+#define LUA_TUSERDATA 7
+#define LUA_TTHREAD 8
+
+#define LUA_NUMTAGS 9
+
+
+
+/* minimum Lua stack available to a C function */
+#define LUA_MINSTACK 20
+
+
+/* predefined values in the registry */
+#define LUA_RIDX_MAINTHREAD 1
+#define LUA_RIDX_GLOBALS 2
+#define LUA_RIDX_LAST LUA_RIDX_GLOBALS
+
+
+/* type of numbers in Lua */
+typedef LUA_NUMBER lua_Number;
+
+
+/* type for integer functions */
+typedef LUA_INTEGER lua_Integer;
+
+/* unsigned integer type */
+typedef LUA_UNSIGNED lua_Unsigned;
+
+/* type for continuation-function contexts */
+typedef LUA_KCONTEXT lua_KContext;
+
+
+/*
+** Type for C functions registered with Lua
+*/
+typedef int (*lua_CFunction) (lua_State *L);
+
+/*
+** Type for continuation functions
+*/
+typedef int (*lua_KFunction) (lua_State *L, int status, lua_KContext ctx);
+
+
+/*
+** Type for functions that read/write blocks when loading/dumping Lua chunks
+*/
+typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);
+
+typedef int (*lua_Writer) (lua_State *L, const void *p, size_t sz, void *ud);
+
+
+/*
+** Type for memory-allocation functions
+*/
+typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
+
+
+
+/*
+** generic extra include file
+*/
+#if defined(LUA_USER_H)
+#include LUA_USER_H
+#endif
+
+
+/*
+** RCS ident string
+*/
+extern const char lua_ident[];
+
+
+/*
+** state manipulation
+*/
+LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud);
+LUA_API void (lua_close) (lua_State *L);
+LUA_API lua_State *(lua_newthread) (lua_State *L);
+
+LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf);
+
+
+LUA_API const lua_Number *(lua_version) (lua_State *L);
+
+
+/*
+** basic stack manipulation
+*/
+LUA_API int (lua_absindex) (lua_State *L, int idx);
+LUA_API int (lua_gettop) (lua_State *L);
+LUA_API void (lua_settop) (lua_State *L, int idx);
+LUA_API void (lua_pushvalue) (lua_State *L, int idx);
+LUA_API void (lua_rotate) (lua_State *L, int idx, int n);
+LUA_API void (lua_copy) (lua_State *L, int fromidx, int toidx);
+LUA_API int (lua_checkstack) (lua_State *L, int n);
+
+LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n);
+
+
+/*
+** access functions (stack -> C)
+*/
+
+LUA_API int (lua_isnumber) (lua_State *L, int idx);
+LUA_API int (lua_isstring) (lua_State *L, int idx);
+LUA_API int (lua_iscfunction) (lua_State *L, int idx);
+LUA_API int (lua_isinteger) (lua_State *L, int idx);
+LUA_API int (lua_isuserdata) (lua_State *L, int idx);
+LUA_API int (lua_type) (lua_State *L, int idx);
+LUA_API const char *(lua_typename) (lua_State *L, int tp);
+
+LUA_API lua_Number (lua_tonumberx) (lua_State *L, int idx, int *isnum);
+LUA_API lua_Integer (lua_tointegerx) (lua_State *L, int idx, int *isnum);
+LUA_API int (lua_toboolean) (lua_State *L, int idx);
+LUA_API const char *(lua_tolstring) (lua_State *L, int idx, size_t *len);
+LUA_API size_t (lua_rawlen) (lua_State *L, int idx);
+LUA_API lua_CFunction (lua_tocfunction) (lua_State *L, int idx);
+LUA_API void *(lua_touserdata) (lua_State *L, int idx);
+LUA_API lua_State *(lua_tothread) (lua_State *L, int idx);
+LUA_API const void *(lua_topointer) (lua_State *L, int idx);
+
+
+/*
+** Comparison and arithmetic functions
+*/
+
+#define LUA_OPADD 0 /* ORDER TM, ORDER OP */
+#define LUA_OPSUB 1
+#define LUA_OPMUL 2
+#define LUA_OPMOD 3
+#define LUA_OPPOW 4
+#define LUA_OPDIV 5
+#define LUA_OPIDIV 6
+#define LUA_OPBAND 7
+#define LUA_OPBOR 8
+#define LUA_OPBXOR 9
+#define LUA_OPSHL 10
+#define LUA_OPSHR 11
+#define LUA_OPUNM 12
+#define LUA_OPBNOT 13
+
+LUA_API void (lua_arith) (lua_State *L, int op);
+
+#define LUA_OPEQ 0
+#define LUA_OPLT 1
+#define LUA_OPLE 2
+
+LUA_API int (lua_rawequal) (lua_State *L, int idx1, int idx2);
+LUA_API int (lua_compare) (lua_State *L, int idx1, int idx2, int op);
+
+
+/*
+** push functions (C -> stack)
+*/
+LUA_API void (lua_pushnil) (lua_State *L);
+LUA_API void (lua_pushnumber) (lua_State *L, lua_Number n);
+LUA_API void (lua_pushinteger) (lua_State *L, lua_Integer n);
+LUA_API const char *(lua_pushlstring) (lua_State *L, const char *s, size_t len);
+LUA_API const char *(lua_pushstring) (lua_State *L, const char *s);
+LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt,
+ va_list argp);
+LUA_API const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...);
+LUA_API void (lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n);
+LUA_API void (lua_pushboolean) (lua_State *L, int b);
+LUA_API void (lua_pushlightuserdata) (lua_State *L, void *p);
+LUA_API int (lua_pushthread) (lua_State *L);
+
+
+/*
+** get functions (Lua -> stack)
+*/
+LUA_API int (lua_getglobal) (lua_State *L, const char *name);
+LUA_API int (lua_gettable) (lua_State *L, int idx);
+LUA_API int (lua_getfield) (lua_State *L, int idx, const char *k);
+LUA_API int (lua_geti) (lua_State *L, int idx, lua_Integer n);
+LUA_API int (lua_rawget) (lua_State *L, int idx);
+LUA_API int (lua_rawgeti) (lua_State *L, int idx, lua_Integer n);
+LUA_API int (lua_rawgetp) (lua_State *L, int idx, const void *p);
+
+LUA_API void (lua_createtable) (lua_State *L, int narr, int nrec);
+LUA_API void *(lua_newuserdata) (lua_State *L, size_t sz);
+LUA_API int (lua_getmetatable) (lua_State *L, int objindex);
+LUA_API int (lua_getuservalue) (lua_State *L, int idx);
+
+
+/*
+** set functions (stack -> Lua)
+*/
+LUA_API void (lua_setglobal) (lua_State *L, const char *name);
+LUA_API void (lua_settable) (lua_State *L, int idx);
+LUA_API void (lua_setfield) (lua_State *L, int idx, const char *k);
+LUA_API void (lua_seti) (lua_State *L, int idx, lua_Integer n);
+LUA_API void (lua_rawset) (lua_State *L, int idx);
+LUA_API void (lua_rawseti) (lua_State *L, int idx, lua_Integer n);
+LUA_API void (lua_rawsetp) (lua_State *L, int idx, const void *p);
+LUA_API int (lua_setmetatable) (lua_State *L, int objindex);
+LUA_API void (lua_setuservalue) (lua_State *L, int idx);
+
+
+/*
+** 'load' and 'call' functions (load and run Lua code)
+*/
+LUA_API void (lua_callk) (lua_State *L, int nargs, int nresults,
+ lua_KContext ctx, lua_KFunction k);
+#define lua_call(L,n,r) lua_callk(L, (n), (r), 0, NULL)
+
+LUA_API int (lua_pcallk) (lua_State *L, int nargs, int nresults, int errfunc,
+ lua_KContext ctx, lua_KFunction k);
+#define lua_pcall(L,n,r,f) lua_pcallk(L, (n), (r), (f), 0, NULL)
+
+LUA_API int (lua_load) (lua_State *L, lua_Reader reader, void *dt,
+ const char *chunkname, const char *mode);
+
+LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data, int strip);
+
+
+/*
+** coroutine functions
+*/
+LUA_API int (lua_yieldk) (lua_State *L, int nresults, lua_KContext ctx,
+ lua_KFunction k);
+LUA_API int (lua_resume) (lua_State *L, lua_State *from, int narg);
+LUA_API int (lua_status) (lua_State *L);
+LUA_API int (lua_isyieldable) (lua_State *L);
+
+#define lua_yield(L,n) lua_yieldk(L, (n), 0, NULL)
+
+
+/*
+** garbage-collection function and options
+*/
+
+#define LUA_GCSTOP 0
+#define LUA_GCRESTART 1
+#define LUA_GCCOLLECT 2
+#define LUA_GCCOUNT 3
+#define LUA_GCCOUNTB 4
+#define LUA_GCSTEP 5
+#define LUA_GCSETPAUSE 6
+#define LUA_GCSETSTEPMUL 7
+#define LUA_GCISRUNNING 9
+
+LUA_API int (lua_gc) (lua_State *L, int what, int data);
+
+
+/*
+** miscellaneous functions
+*/
+
+LUA_API int (lua_error) (lua_State *L);
+
+LUA_API int (lua_next) (lua_State *L, int idx);
+
+LUA_API void (lua_concat) (lua_State *L, int n);
+LUA_API void (lua_len) (lua_State *L, int idx);
+
+LUA_API size_t (lua_stringtonumber) (lua_State *L, const char *s);
+
+LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud);
+LUA_API void (lua_setallocf) (lua_State *L, lua_Alloc f, void *ud);
+
+
+
+/*
+** {==============================================================
+** some useful macros
+** ===============================================================
+*/
+
+#define lua_getextraspace(L) ((void *)((char *)(L) - LUA_EXTRASPACE))
+
+#define lua_tonumber(L,i) lua_tonumberx(L,(i),NULL)
+#define lua_tointeger(L,i) lua_tointegerx(L,(i),NULL)
+
+#define lua_pop(L,n) lua_settop(L, -(n)-1)
+
+#define lua_newtable(L) lua_createtable(L, 0, 0)
+
+#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n)))
+
+#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_isthread(L,n) (lua_type(L, (n)) == LUA_TTHREAD)
+#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_pushstring(L, "" s)
+
+#define lua_pushglobaltable(L) \
+ ((void)lua_rawgeti(L, LUA_REGISTRYINDEX, LUA_RIDX_GLOBALS))
+
+#define lua_tostring(L,i) lua_tolstring(L, (i), NULL)
+
+
+#define lua_insert(L,idx) lua_rotate(L, (idx), 1)
+
+#define lua_remove(L,idx) (lua_rotate(L, (idx), -1), lua_pop(L, 1))
+
+#define lua_replace(L,idx) (lua_copy(L, -1, (idx)), lua_pop(L, 1))
+
+/* }============================================================== */
+
+
+/*
+** {==============================================================
+** compatibility macros for unsigned conversions
+** ===============================================================
+*/
+#if defined(LUA_COMPAT_APIINTCASTS)
+
+#define lua_pushunsigned(L,n) lua_pushinteger(L, (lua_Integer)(n))
+#define lua_tounsignedx(L,i,is) ((lua_Unsigned)lua_tointegerx(L,i,is))
+#define lua_tounsigned(L,i) lua_tounsignedx(L,(i),NULL)
+
+#endif
+/* }============================================================== */
+
+/*
+** {======================================================================
+** Debug API
+** =======================================================================
+*/
+
+
+/*
+** Event codes
+*/
+#define LUA_HOOKCALL 0
+#define LUA_HOOKRET 1
+#define LUA_HOOKLINE 2
+#define LUA_HOOKCOUNT 3
+#define LUA_HOOKTAILCALL 4
+
+
+/*
+** Event masks
+*/
+#define LUA_MASKCALL (1 << LUA_HOOKCALL)
+#define LUA_MASKRET (1 << LUA_HOOKRET)
+#define LUA_MASKLINE (1 << LUA_HOOKLINE)
+#define LUA_MASKCOUNT (1 << LUA_HOOKCOUNT)
+
+typedef struct lua_Debug lua_Debug; /* activation record */
+
+
+/* Functions to be called by the debugger in specific events */
+typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);
+
+
+LUA_API int (lua_getstack) (lua_State *L, int level, lua_Debug *ar);
+LUA_API int (lua_getinfo) (lua_State *L, const char *what, lua_Debug *ar);
+LUA_API const char *(lua_getlocal) (lua_State *L, const lua_Debug *ar, int n);
+LUA_API const char *(lua_setlocal) (lua_State *L, const lua_Debug *ar, int n);
+LUA_API const char *(lua_getupvalue) (lua_State *L, int funcindex, int n);
+LUA_API const char *(lua_setupvalue) (lua_State *L, int funcindex, int n);
+
+LUA_API void *(lua_upvalueid) (lua_State *L, int fidx, int n);
+LUA_API void (lua_upvaluejoin) (lua_State *L, int fidx1, int n1,
+ int fidx2, int n2);
+
+LUA_API void (lua_sethook) (lua_State *L, lua_Hook func, int mask, int count);
+LUA_API lua_Hook (lua_gethook) (lua_State *L);
+LUA_API int (lua_gethookmask) (lua_State *L);
+LUA_API int (lua_gethookcount) (lua_State *L);
+
+
+struct lua_Debug {
+ int event;
+ const char *name; /* (n) */
+ const char *namewhat; /* (n) 'global', 'local', 'field', 'method' */
+ const char *what; /* (S) 'Lua', 'C', 'main', 'tail' */
+ const char *source; /* (S) */
+ int currentline; /* (l) */
+ int linedefined; /* (S) */
+ int lastlinedefined; /* (S) */
+ unsigned char nups; /* (u) number of upvalues */
+ unsigned char nparams;/* (u) number of parameters */
+ char isvararg; /* (u) */
+ char istailcall; /* (t) */
+ char short_src[LUA_IDSIZE]; /* (S) */
+ /* private part */
+ struct CallInfo *i_ci; /* active function */
+};
+
+/* }====================================================================== */
+
+
+/******************************************************************************
+* Copyright (C) 1994-2016 Lua.org, PUC-Rio.
+*
+* 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.
+******************************************************************************/
+
+
+#endif
diff --git a/external/lua-5.3.3/include/lua.hpp b/external/lua-5.3.3/include/lua.hpp
new file mode 100644
index 0000000..ec417f5
--- /dev/null
+++ b/external/lua-5.3.3/include/lua.hpp
@@ -0,0 +1,9 @@
+// lua.hpp
+// Lua header files for C++
+// <<extern "C">> not supplied automatically because Lua also compiles as C++
+
+extern "C" {
+#include "lua.h"
+#include "lualib.h"
+#include "lauxlib.h"
+}
diff --git a/external/lua-5.3.3/include/luaconf.h b/external/lua-5.3.3/include/luaconf.h
new file mode 100644
index 0000000..fd447cc
--- /dev/null
+++ b/external/lua-5.3.3/include/luaconf.h
@@ -0,0 +1,767 @@
+/*
+** $Id: luaconf.h,v 1.255 2016/05/01 20:06:09 roberto Exp $
+** Configuration file for Lua
+** See Copyright Notice in lua.h
+*/
+
+
+#ifndef luaconf_h
+#define luaconf_h
+
+#include <limits.h>
+#include <stddef.h>
+
+
+/*
+** ===================================================================
+** Search for "@@" to find all configurable definitions.
+** ===================================================================
+*/
+
+
+/*
+** {====================================================================
+** System Configuration: macros to adapt (if needed) Lua to some
+** particular platform, for instance compiling it with 32-bit numbers or
+** restricting it to C89.
+** =====================================================================
+*/
+
+/*
+@@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. You
+** can also define LUA_32BITS in the make file, but changing here you
+** ensure that all software connected to Lua will be compiled with the
+** same configuration.
+*/
+/* #define LUA_32BITS */
+
+
+/*
+@@ LUA_USE_C89 controls the use of non-ISO-C89 features.
+** Define it if you want Lua to avoid the use of a few C99 features
+** or Windows-specific features on Windows.
+*/
+/* #define LUA_USE_C89 */
+
+
+/*
+** By default, Lua on Windows use (some) specific Windows features
+*/
+#if !defined(LUA_USE_C89) && defined(_WIN32) && !defined(_WIN32_WCE)
+#define LUA_USE_WINDOWS /* enable goodies for regular Windows */
+#endif
+
+
+#if defined(LUA_USE_WINDOWS)
+#define LUA_DL_DLL /* enable support for DLL */
+#define LUA_USE_C89 /* broadly, Windows is C89 */
+#endif
+
+
+#if defined(LUA_USE_LINUX)
+#define LUA_USE_POSIX
+#define LUA_USE_DLOPEN /* needs an extra library: -ldl */
+#define LUA_USE_READLINE /* needs some extra libraries */
+#endif
+
+
+#if defined(LUA_USE_MACOSX)
+#define LUA_USE_POSIX
+#define LUA_USE_DLOPEN /* MacOS does not need -ldl */
+#define LUA_USE_READLINE /* needs an extra library: -lreadline */
+#endif
+
+
+/*
+@@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for
+** C89 ('long' and 'double'); Windows always has '__int64', so it does
+** not need to use this case.
+*/
+#if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS)
+#define LUA_C89_NUMBERS
+#endif
+
+
+
+/*
+@@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'.
+*/
+/* avoid undefined shifts */
+#if ((INT_MAX >> 15) >> 15) >= 1
+#define LUAI_BITSINT 32
+#else
+/* 'int' always must have at least 16 bits */
+#define LUAI_BITSINT 16
+#endif
+
+
+/*
+@@ LUA_INT_TYPE defines the type for Lua integers.
+@@ LUA_FLOAT_TYPE defines the type for Lua floats.
+** Lua should work fine with any mix of these options (if supported
+** by your C compiler). The usual configurations are 64-bit integers
+** and 'double' (the default), 32-bit integers and 'float' (for
+** restricted platforms), and 'long'/'double' (for C compilers not
+** compliant with C99, which may not have support for 'long long').
+*/
+
+/* predefined options for LUA_INT_TYPE */
+#define LUA_INT_INT 1
+#define LUA_INT_LONG 2
+#define LUA_INT_LONGLONG 3
+
+/* predefined options for LUA_FLOAT_TYPE */
+#define LUA_FLOAT_FLOAT 1
+#define LUA_FLOAT_DOUBLE 2
+#define LUA_FLOAT_LONGDOUBLE 3
+
+#if defined(LUA_32BITS) /* { */
+/*
+** 32-bit integers and 'float'
+*/
+#if LUAI_BITSINT >= 32 /* use 'int' if big enough */
+#define LUA_INT_TYPE LUA_INT_INT
+#else /* otherwise use 'long' */
+#define LUA_INT_TYPE LUA_INT_LONG
+#endif
+#define LUA_FLOAT_TYPE LUA_FLOAT_FLOAT
+
+#elif defined(LUA_C89_NUMBERS) /* }{ */
+/*
+** largest types available for C89 ('long' and 'double')
+*/
+#define LUA_INT_TYPE LUA_INT_LONG
+#define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE
+
+#endif /* } */
+
+
+/*
+** default configuration for 64-bit Lua ('long long' and 'double')
+*/
+#if !defined(LUA_INT_TYPE)
+#define LUA_INT_TYPE LUA_INT_LONGLONG
+#endif
+
+#if !defined(LUA_FLOAT_TYPE)
+#define LUA_FLOAT_TYPE LUA_FLOAT_DOUBLE
+#endif
+
+/* }================================================================== */
+
+
+
+
+/*
+** {==================================================================
+** Configuration for Paths.
+** ===================================================================
+*/
+
+/*
+@@ LUA_PATH_DEFAULT is the default path that Lua uses to look for
+** Lua libraries.
+@@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for
+** C libraries.
+** CHANGE them if your machine has a non-conventional directory
+** hierarchy or if you want to install your libraries in
+** non-conventional directories.
+*/
+#define LUA_VDIR LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
+#if defined(_WIN32) /* { */
+/*
+** In Windows, any exclamation mark ('!') in the path is replaced by the
+** path of the directory of the executable file of the current process.
+*/
+#define LUA_LDIR "!\\lua\\"
+#define LUA_CDIR "!\\"
+#define LUA_SHRDIR "!\\..\\share\\lua\\" LUA_VDIR "\\"
+#define LUA_PATH_DEFAULT \
+ LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \
+ LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua;" \
+ LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \
+ ".\\?.lua;" ".\\?\\init.lua"
+#define LUA_CPATH_DEFAULT \
+ LUA_CDIR"?.dll;" \
+ LUA_CDIR"..\\lib\\lua\\" LUA_VDIR "\\?.dll;" \
+ LUA_CDIR"loadall.dll;" ".\\?.dll"
+
+#else /* }{ */
+
+#define LUA_ROOT "/usr/local/"
+#define LUA_LDIR LUA_ROOT "share/lua/" LUA_VDIR "/"
+#define LUA_CDIR LUA_ROOT "lib/lua/" LUA_VDIR "/"
+#define LUA_PATH_DEFAULT \
+ LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua;" \
+ LUA_CDIR"?.lua;" LUA_CDIR"?/init.lua;" \
+ "./?.lua;" "./?/init.lua"
+#define LUA_CPATH_DEFAULT \
+ LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so"
+#endif /* } */
+
+
+/*
+@@ LUA_DIRSEP is the directory separator (for submodules).
+** CHANGE it if your machine does not use "/" as the directory separator
+** and is not Windows. (On Windows Lua automatically uses "\".)
+*/
+#if defined(_WIN32)
+#define LUA_DIRSEP "\\"
+#else
+#define LUA_DIRSEP "/"
+#endif
+
+/* }================================================================== */
+
+
+/*
+** {==================================================================
+** Marks for exported symbols in the C code
+** ===================================================================
+*/
+
+/*
+@@ LUA_API is a mark for all core API functions.
+@@ LUALIB_API is a mark for all auxiliary library functions.
+@@ LUAMOD_API is a mark for all standard library opening functions.
+** CHANGE them if you need to define those functions in some special way.
+** For instance, if you want to create one Windows DLL with the core and
+** the libraries, you may want to use the following definition (define
+** LUA_BUILD_AS_DLL to get it).
+*/
+#if defined(LUA_BUILD_AS_DLL) /* { */
+
+#if defined(LUA_CORE) || defined(LUA_LIB) /* { */
+#define LUA_API __declspec(dllexport)
+#else /* }{ */
+#define LUA_API __declspec(dllimport)
+#endif /* } */
+
+#else /* }{ */
+
+#define LUA_API extern
+
+#endif /* } */
+
+
+/* more often than not the libs go together with the core */
+#define LUALIB_API LUA_API
+#define LUAMOD_API LUALIB_API
+
+
+/*
+@@ LUAI_FUNC is a mark for all extern functions that are not to be
+** exported to outside modules.
+@@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables
+** that are not to be exported to outside modules (LUAI_DDEF for
+** definitions and LUAI_DDEC for declarations).
+** CHANGE them if you need to mark them in some special way. Elf/gcc
+** (versions 3.2 and later) mark them as "hidden" to optimize access
+** when Lua is compiled as a shared library. Not all elf targets support
+** this attribute. Unfortunately, gcc does not offer a way to check
+** whether the target offers that support, and those without support
+** give a warning about it. To avoid these warnings, change to the
+** default definition.
+*/
+#if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \
+ defined(__ELF__) /* { */
+#define LUAI_FUNC __attribute__((visibility("hidden"))) extern
+#else /* }{ */
+#define LUAI_FUNC extern
+#endif /* } */
+
+#define LUAI_DDEC LUAI_FUNC
+#define LUAI_DDEF /* empty */
+
+/* }================================================================== */
+
+
+/*
+** {==================================================================
+** Compatibility with previous versions
+** ===================================================================
+*/
+
+/*
+@@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2.
+@@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1.
+** You can define it to get all options, or change specific options
+** to fit your specific needs.
+*/
+#if defined(LUA_COMPAT_5_2) /* { */
+
+/*
+@@ LUA_COMPAT_MATHLIB controls the presence of several deprecated
+** functions in the mathematical library.
+*/
+#define LUA_COMPAT_MATHLIB
+
+/*
+@@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'.
+*/
+#define LUA_COMPAT_BITLIB
+
+/*
+@@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod.
+*/
+#define LUA_COMPAT_IPAIRS
+
+/*
+@@ LUA_COMPAT_APIINTCASTS controls the presence of macros for
+** manipulating other integer types (lua_pushunsigned, lua_tounsigned,
+** luaL_checkint, luaL_checklong, etc.)
+*/
+#define LUA_COMPAT_APIINTCASTS
+
+#endif /* } */
+
+
+#if defined(LUA_COMPAT_5_1) /* { */
+
+/* Incompatibilities from 5.2 -> 5.3 */
+#define LUA_COMPAT_MATHLIB
+#define LUA_COMPAT_APIINTCASTS
+
+/*
+@@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'.
+** You can replace it with 'table.unpack'.
+*/
+#define LUA_COMPAT_UNPACK
+
+/*
+@@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'.
+** You can replace it with 'package.searchers'.
+*/
+#define LUA_COMPAT_LOADERS
+
+/*
+@@ macro 'lua_cpcall' emulates deprecated function lua_cpcall.
+** You can call your C function directly (with light C functions).
+*/
+#define lua_cpcall(L,f,u) \
+ (lua_pushcfunction(L, (f)), \
+ lua_pushlightuserdata(L,(u)), \
+ lua_pcall(L,1,0,0))
+
+
+/*
+@@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library.
+** You can rewrite 'log10(x)' as 'log(x, 10)'.
+*/
+#define LUA_COMPAT_LOG10
+
+/*
+@@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base
+** library. You can rewrite 'loadstring(s)' as 'load(s)'.
+*/
+#define LUA_COMPAT_LOADSTRING
+
+/*
+@@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library.
+*/
+#define LUA_COMPAT_MAXN
+
+/*
+@@ The following macros supply trivial compatibility for some
+** changes in the API. The macros themselves document how to
+** change your code to avoid using them.
+*/
+#define lua_strlen(L,i) lua_rawlen(L, (i))
+
+#define lua_objlen(L,i) lua_rawlen(L, (i))
+
+#define lua_equal(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPEQ)
+#define lua_lessthan(L,idx1,idx2) lua_compare(L,(idx1),(idx2),LUA_OPLT)
+
+/*
+@@ LUA_COMPAT_MODULE controls compatibility with previous
+** module functions 'module' (Lua) and 'luaL_register' (C).
+*/
+#define LUA_COMPAT_MODULE
+
+#endif /* } */
+
+
+/*
+@@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a
+@@ a float mark ('.0').
+** This macro is not on by default even in compatibility mode,
+** because this is not really an incompatibility.
+*/
+/* #define LUA_COMPAT_FLOATSTRING */
+
+/* }================================================================== */
+
+
+
+/*
+** {==================================================================
+** Configuration for Numbers.
+** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_*
+** satisfy your needs.
+** ===================================================================
+*/
+
+/*
+@@ LUA_NUMBER is the floating-point type used by Lua.
+@@ LUAI_UACNUMBER is the result of an 'usual argument conversion'
+@@ over a floating number.
+@@ l_mathlim(x) corrects limit name 'x' to the proper float type
+** by prefixing it with one of FLT/DBL/LDBL.
+@@ LUA_NUMBER_FRMLEN is the length modifier for writing floats.
+@@ LUA_NUMBER_FMT is the format for writing floats.
+@@ lua_number2str converts a float to a string.
+@@ l_mathop allows the addition of an 'l' or 'f' to all math operations.
+@@ l_floor takes the floor of a float.
+@@ lua_str2number converts a decimal numeric string to a number.
+*/
+
+
+/* The following definitions are good for most cases here */
+
+#define l_floor(x) (l_mathop(floor)(x))
+
+#define lua_number2str(s,sz,n) l_sprintf((s), sz, LUA_NUMBER_FMT, (n))
+
+/*
+@@ lua_numbertointeger converts a float number to an integer, or
+** returns 0 if float is not within the range of a lua_Integer.
+** (The range comparisons are tricky because of rounding. The tests
+** here assume a two-complement representation, where MININTEGER always
+** has an exact representation as a float; MAXINTEGER may not have one,
+** and therefore its conversion to float may have an ill-defined value.)
+*/
+#define lua_numbertointeger(n,p) \
+ ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \
+ (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \
+ (*(p) = (LUA_INTEGER)(n), 1))
+
+
+/* now the variable definitions */
+
+#if LUA_FLOAT_TYPE == LUA_FLOAT_FLOAT /* { single float */
+
+#define LUA_NUMBER float
+
+#define l_mathlim(n) (FLT_##n)
+
+#define LUAI_UACNUMBER double
+
+#define LUA_NUMBER_FRMLEN ""
+#define LUA_NUMBER_FMT "%.7g"
+
+#define l_mathop(op) op##f
+
+#define lua_str2number(s,p) strtof((s), (p))
+
+
+#elif LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE /* }{ long double */
+
+#define LUA_NUMBER long double
+
+#define l_mathlim(n) (LDBL_##n)
+
+#define LUAI_UACNUMBER long double
+
+#define LUA_NUMBER_FRMLEN "L"
+#define LUA_NUMBER_FMT "%.19Lg"
+
+#define l_mathop(op) op##l
+
+#define lua_str2number(s,p) strtold((s), (p))
+
+#elif LUA_FLOAT_TYPE == LUA_FLOAT_DOUBLE /* }{ double */
+
+#define LUA_NUMBER double
+
+#define l_mathlim(n) (DBL_##n)
+
+#define LUAI_UACNUMBER double
+
+#define LUA_NUMBER_FRMLEN ""
+#define LUA_NUMBER_FMT "%.14g"
+
+#define l_mathop(op) op
+
+#define lua_str2number(s,p) strtod((s), (p))
+
+#else /* }{ */
+
+#error "numeric float type not defined"
+
+#endif /* } */
+
+
+
+/*
+@@ LUA_INTEGER is the integer type used by Lua.
+**
+@@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER.
+**
+@@ LUAI_UACINT is the result of an 'usual argument conversion'
+@@ over a lUA_INTEGER.
+@@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers.
+@@ LUA_INTEGER_FMT is the format for writing integers.
+@@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER.
+@@ LUA_MININTEGER is the minimum value for a LUA_INTEGER.
+@@ lua_integer2str converts an integer to a string.
+*/
+
+
+/* The following definitions are good for most cases here */
+
+#define LUA_INTEGER_FMT "%" LUA_INTEGER_FRMLEN "d"
+#define lua_integer2str(s,sz,n) l_sprintf((s), sz, LUA_INTEGER_FMT, (n))
+
+#define LUAI_UACINT LUA_INTEGER
+
+/*
+** use LUAI_UACINT here to avoid problems with promotions (which
+** can turn a comparison between unsigneds into a signed comparison)
+*/
+#define LUA_UNSIGNED unsigned LUAI_UACINT
+
+
+/* now the variable definitions */
+
+#if LUA_INT_TYPE == LUA_INT_INT /* { int */
+
+#define LUA_INTEGER int
+#define LUA_INTEGER_FRMLEN ""
+
+#define LUA_MAXINTEGER INT_MAX
+#define LUA_MININTEGER INT_MIN
+
+#elif LUA_INT_TYPE == LUA_INT_LONG /* }{ long */
+
+#define LUA_INTEGER long
+#define LUA_INTEGER_FRMLEN "l"
+
+#define LUA_MAXINTEGER LONG_MAX
+#define LUA_MININTEGER LONG_MIN
+
+#elif LUA_INT_TYPE == LUA_INT_LONGLONG /* }{ long long */
+
+/* use presence of macro LLONG_MAX as proxy for C99 compliance */
+#if defined(LLONG_MAX) /* { */
+/* use ISO C99 stuff */
+
+#define LUA_INTEGER long long
+#define LUA_INTEGER_FRMLEN "ll"
+
+#define LUA_MAXINTEGER LLONG_MAX
+#define LUA_MININTEGER LLONG_MIN
+
+#elif defined(LUA_USE_WINDOWS) /* }{ */
+/* in Windows, can use specific Windows types */
+
+#define LUA_INTEGER __int64
+#define LUA_INTEGER_FRMLEN "I64"
+
+#define LUA_MAXINTEGER _I64_MAX
+#define LUA_MININTEGER _I64_MIN
+
+#else /* }{ */
+
+#error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \
+ or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)"
+
+#endif /* } */
+
+#else /* }{ */
+
+#error "numeric integer type not defined"
+
+#endif /* } */
+
+/* }================================================================== */
+
+
+/*
+** {==================================================================
+** Dependencies with C99 and other C details
+** ===================================================================
+*/
+
+/*
+@@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89.
+** (All uses in Lua have only one format item.)
+*/
+#if !defined(LUA_USE_C89)
+#define l_sprintf(s,sz,f,i) snprintf(s,sz,f,i)
+#else
+#define l_sprintf(s,sz,f,i) ((void)(sz), sprintf(s,f,i))
+#endif
+
+
+/*
+@@ lua_strx2number converts an hexadecimal numeric string to a number.
+** In C99, 'strtod' does that conversion. Otherwise, you can
+** leave 'lua_strx2number' undefined and Lua will provide its own
+** implementation.
+*/
+#if !defined(LUA_USE_C89)
+#define lua_strx2number(s,p) lua_str2number(s,p)
+#endif
+
+
+/*
+@@ lua_number2strx converts a float to an hexadecimal numeric string.
+** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that.
+** Otherwise, you can leave 'lua_number2strx' undefined and Lua will
+** provide its own implementation.
+*/
+#if !defined(LUA_USE_C89)
+#define lua_number2strx(L,b,sz,f,n) ((void)L, l_sprintf(b,sz,f,n))
+#endif
+
+
+/*
+** 'strtof' and 'opf' variants for math functions are not valid in
+** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the
+** availability of these variants. ('math.h' is already included in
+** all files that use these macros.)
+*/
+#if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF))
+#undef l_mathop /* variants not available */
+#undef lua_str2number
+#define l_mathop(op) (lua_Number)op /* no variant */
+#define lua_str2number(s,p) ((lua_Number)strtod((s), (p)))
+#endif
+
+
+/*
+@@ LUA_KCONTEXT is the type of the context ('ctx') for continuation
+** functions. It must be a numerical type; Lua will use 'intptr_t' if
+** available, otherwise it will use 'ptrdiff_t' (the nearest thing to
+** 'intptr_t' in C89)
+*/
+#define LUA_KCONTEXT ptrdiff_t
+
+#if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \
+ __STDC_VERSION__ >= 199901L
+#include <stdint.h>
+#if defined(INTPTR_MAX) /* even in C99 this type is optional */
+#undef LUA_KCONTEXT
+#define LUA_KCONTEXT intptr_t
+#endif
+#endif
+
+
+/*
+@@ lua_getlocaledecpoint gets the locale "radix character" (decimal point).
+** Change that if you do not want to use C locales. (Code using this
+** macro must include header 'locale.h'.)
+*/
+#if !defined(lua_getlocaledecpoint)
+#define lua_getlocaledecpoint() (localeconv()->decimal_point[0])
+#endif
+
+/* }================================================================== */
+
+
+/*
+** {==================================================================
+** Language Variations
+** =====================================================================
+*/
+
+/*
+@@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some
+** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from
+** numbers to strings. Define LUA_NOCVTS2N to turn off automatic
+** coercion from strings to numbers.
+*/
+/* #define LUA_NOCVTN2S */
+/* #define LUA_NOCVTS2N */
+
+
+/*
+@@ LUA_USE_APICHECK turns on several consistency checks on the C API.
+** Define it as a help when debugging C code.
+*/
+#if defined(LUA_USE_APICHECK)
+#include <assert.h>
+#define luai_apicheck(l,e) assert(e)
+#endif
+
+/* }================================================================== */
+
+
+/*
+** {==================================================================
+** Macros that affect the API and must be stable (that is, must be the
+** same when you compile Lua and when you compile code that links to
+** Lua). You probably do not want/need to change them.
+** =====================================================================
+*/
+
+/*
+@@ LUAI_MAXSTACK limits the size of the Lua stack.
+** CHANGE it if you need a different limit. This limit is arbitrary;
+** its only purpose is to stop Lua from consuming unlimited stack
+** space (and to reserve some numbers for pseudo-indices).
+*/
+#if LUAI_BITSINT >= 32
+#define LUAI_MAXSTACK 1000000
+#else
+#define LUAI_MAXSTACK 15000
+#endif
+
+
+/*
+@@ LUA_EXTRASPACE defines the size of a raw memory area associated with
+** a Lua state with very fast access.
+** CHANGE it if you need a different size.
+*/
+#define LUA_EXTRASPACE (sizeof(void *))
+
+
+/*
+@@ LUA_IDSIZE gives the maximum size for the description of the source
+@@ of a function in debug information.
+** CHANGE it if you want a different size.
+*/
+#define LUA_IDSIZE 60
+
+
+/*
+@@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
+** CHANGE it if it uses too much C-stack space. (For long double,
+** 'string.format("%.99f", 1e4932)' needs ~5030 bytes, so a
+** smaller buffer would force a memory allocation for each call to
+** 'string.format'.)
+*/
+#if defined(LUA_FLOAT_LONGDOUBLE)
+#define LUAL_BUFFERSIZE 8192
+#else
+#define LUAL_BUFFERSIZE ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer)))
+#endif
+
+/* }================================================================== */
+
+
+/*
+@@ LUA_QL describes how error messages quote program elements.
+** Lua does not use these macros anymore; they are here for
+** compatibility only.
+*/
+#define LUA_QL(x) "'" x "'"
+#define LUA_QS LUA_QL("%s")
+
+
+
+
+/* =================================================================== */
+
+/*
+** Local configuration. You can use this space to add your redefinitions
+** without modifying the main part of the file.
+*/
+
+
+
+
+
+#endif
+
diff --git a/external/lua-5.3.3/include/lualib.h b/external/lua-5.3.3/include/lualib.h
new file mode 100644
index 0000000..5165c0f
--- /dev/null
+++ b/external/lua-5.3.3/include/lualib.h
@@ -0,0 +1,58 @@
+/*
+** $Id: lualib.h,v 1.44 2014/02/06 17:32:33 roberto Exp $
+** Lua standard libraries
+** See Copyright Notice in lua.h
+*/
+
+
+#ifndef lualib_h
+#define lualib_h
+
+#include "lua.h"
+
+
+
+LUAMOD_API int (luaopen_base) (lua_State *L);
+
+#define LUA_COLIBNAME "coroutine"
+LUAMOD_API int (luaopen_coroutine) (lua_State *L);
+
+#define LUA_TABLIBNAME "table"
+LUAMOD_API int (luaopen_table) (lua_State *L);
+
+#define LUA_IOLIBNAME "io"
+LUAMOD_API int (luaopen_io) (lua_State *L);
+
+#define LUA_OSLIBNAME "os"
+LUAMOD_API int (luaopen_os) (lua_State *L);
+
+#define LUA_STRLIBNAME "string"
+LUAMOD_API int (luaopen_string) (lua_State *L);
+
+#define LUA_UTF8LIBNAME "utf8"
+LUAMOD_API int (luaopen_utf8) (lua_State *L);
+
+#define LUA_BITLIBNAME "bit32"
+LUAMOD_API int (luaopen_bit32) (lua_State *L);
+
+#define LUA_MATHLIBNAME "math"
+LUAMOD_API int (luaopen_math) (lua_State *L);
+
+#define LUA_DBLIBNAME "debug"
+LUAMOD_API int (luaopen_debug) (lua_State *L);
+
+#define LUA_LOADLIBNAME "package"
+LUAMOD_API int (luaopen_package) (lua_State *L);
+
+
+/* open all previous libraries */
+LUALIB_API void (luaL_openlibs) (lua_State *L);
+
+
+
+#if !defined(lua_assert)
+#define lua_assert(x) ((void)0)
+#endif
+
+
+#endif