mirror of
https://gitcode.com/JianFeeeee/LuaCangjia_api.git
synced 2026-09-22 09:58:10 +00:00
vendor: 引入 Lua 4.0.1 官方源码 + 移植评估文档 (lua_4.0 分支)
- Lua 4.0 是首个引入 lua_State* 的版本, 但 API 与 5.x 代际差异大 - 桥接层适配要点与工作量评估见 doc/ADAPTATION-lua40.md - 本分支暂不承诺可编译, 后续按需移植
This commit is contained in:
JianFeeeee
@ -1,5 +1,5 @@
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/*
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** $Id: lauxlib.h $
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** $Id: lauxlib.h,v 1.30 2000/10/30 12:38:50 roberto Exp $
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** Auxiliary functions for building Lua libraries
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** See Copyright Notice in lua.h
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*/
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@ -12,115 +12,35 @@
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#include <stddef.h>
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#include <stdio.h>
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#include "luaconf.h"
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#include "lua.h"
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/* global table */
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#define LUA_GNAME "_G"
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#ifndef LUALIB_API
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#define LUALIB_API extern
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#endif
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typedef struct luaL_Buffer luaL_Buffer;
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/* extra error code for 'luaL_loadfilex' */
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#define LUA_ERRFILE (LUA_ERRERR+1)
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/* key, in the registry, for table of loaded modules */
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#define LUA_LOADED_TABLE "_LOADED"
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/* key, in the registry, for table of preloaded loaders */
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#define LUA_PRELOAD_TABLE "_PRELOAD"
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typedef struct luaL_Reg {
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struct luaL_reg {
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const char *name;
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lua_CFunction func;
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} luaL_Reg;
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};
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#define LUAL_NUMSIZES (sizeof(lua_Integer)*16 + sizeof(lua_Number))
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LUALIB_API void luaL_openlib (lua_State *L, const struct luaL_reg *l, int n);
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LUALIB_API void luaL_argerror (lua_State *L, int numarg, const char *extramsg);
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LUALIB_API const char *luaL_check_lstr (lua_State *L, int numArg, size_t *len);
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LUALIB_API const char *luaL_opt_lstr (lua_State *L, int numArg, const char *def, size_t *len);
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LUALIB_API double luaL_check_number (lua_State *L, int numArg);
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LUALIB_API double luaL_opt_number (lua_State *L, int numArg, double def);
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LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver, size_t sz);
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#define luaL_checkversion(L) \
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luaL_checkversion_(L, LUA_VERSION_NUM, LUAL_NUMSIZES)
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LUALIB_API void luaL_checkstack (lua_State *L, int space, const char *msg);
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LUALIB_API void luaL_checktype (lua_State *L, int narg, int t);
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LUALIB_API void luaL_checkany (lua_State *L, int narg);
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LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
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LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
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LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len);
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LUALIB_API int (luaL_argerror) (lua_State *L, int arg, const char *extramsg);
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LUALIB_API int (luaL_typeerror) (lua_State *L, int arg, const char *tname);
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LUALIB_API const char *(luaL_checklstring) (lua_State *L, int arg,
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size_t *l);
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LUALIB_API const char *(luaL_optlstring) (lua_State *L, int arg,
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const char *def, size_t *l);
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LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int arg);
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LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int arg, lua_Number def);
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LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int arg);
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LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int arg,
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lua_Integer def);
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LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
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LUALIB_API void (luaL_checktype) (lua_State *L, int arg, int t);
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LUALIB_API void (luaL_checkany) (lua_State *L, int arg);
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LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);
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LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);
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LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);
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LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
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LUALIB_API void (luaL_where) (lua_State *L, int lvl);
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LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
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LUALIB_API int (luaL_checkoption) (lua_State *L, int arg, const char *def,
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const char *const lst[]);
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LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname);
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LUALIB_API int (luaL_execresult) (lua_State *L, int stat);
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LUALIB_API void *(luaL_alloc) (void *ud, void *ptr, size_t osize,
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size_t nsize);
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LUALIB_API void luaL_verror (lua_State *L, const char *fmt, ...);
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LUALIB_API int luaL_findstring (const char *name, const char *const list[]);
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/* predefined references */
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#define LUA_NOREF (-2)
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#define LUA_REFNIL (-1)
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LUALIB_API int (luaL_ref) (lua_State *L, int t);
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LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
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LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,
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const char *mode);
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#define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL)
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LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,
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const char *name, const char *mode);
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LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
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LUALIB_API lua_State *(luaL_newstate) (void);
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LUALIB_API unsigned (luaL_makeseed) (lua_State *L);
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LUALIB_API lua_Integer (luaL_len) (lua_State *L, int idx);
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LUALIB_API void (luaL_addgsub) (luaL_Buffer *b, const char *s,
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const char *p, const char *r);
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LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s,
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const char *p, const char *r);
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LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);
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LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname);
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LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1,
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const char *msg, int level);
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LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
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lua_CFunction openf, int glb);
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/*
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** ===============================================================
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@ -128,52 +48,15 @@ LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
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** ===============================================================
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*/
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#define luaL_newlibtable(L,l) \
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lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)
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#define luaL_newlib(L,l) \
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(luaL_checkversion(L), luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))
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#define luaL_argcheck(L, cond,arg,extramsg) \
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((void)(luai_likely(cond) || luaL_argerror(L, (arg), (extramsg))))
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#define luaL_argexpected(L,cond,arg,tname) \
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((void)(luai_likely(cond) || luaL_typeerror(L, (arg), (tname))))
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#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))
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#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))
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#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))
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#define luaL_dofile(L, fn) \
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(luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
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#define luaL_dostring(L, s) \
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(luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
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#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))
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#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
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#define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)
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/*
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** Perform arithmetic operations on lua_Integer values with wrap-around
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** semantics, as the Lua core does.
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*/
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#define luaL_intop(op,v1,v2) \
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((lua_Integer)((lua_Unsigned)(v1) op (lua_Unsigned)(v2)))
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/* push the value used to represent failure/error */
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#if defined(LUA_FAILISFALSE)
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#define luaL_pushfail(L) lua_pushboolean(L, 0)
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#else
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#define luaL_pushfail(L) lua_pushnil(L)
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#endif
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#define luaL_arg_check(L, cond,numarg,extramsg) if (!(cond)) \
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luaL_argerror(L, numarg,extramsg)
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#define luaL_check_string(L,n) (luaL_check_lstr(L, (n), NULL))
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#define luaL_opt_string(L,n,d) (luaL_opt_lstr(L, (n), (d), NULL))
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#define luaL_check_int(L,n) ((int)luaL_check_number(L, n))
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#define luaL_check_long(L,n) ((long)luaL_check_number(L, n))
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#define luaL_opt_int(L,n,d) ((int)luaL_opt_number(L, n,d))
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#define luaL_opt_long(L,n,d) ((long)luaL_opt_number(L, n,d))
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#define luaL_openl(L,a) luaL_openlib(L, a, (sizeof(a)/sizeof(a[0])))
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/*
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@ -182,90 +65,36 @@ LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,
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** =======================================================
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*/
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struct luaL_Buffer {
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char *b; /* buffer address */
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size_t size; /* buffer size */
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size_t n; /* number of characters in buffer */
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#ifndef LUAL_BUFFERSIZE
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#define LUAL_BUFFERSIZE BUFSIZ
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#endif
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typedef struct luaL_Buffer {
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char *p; /* current position in buffer */
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int level;
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lua_State *L;
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union {
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LUAI_MAXALIGN; /* ensure maximum alignment for buffer */
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char b[LUAL_BUFFERSIZE]; /* initial buffer */
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} init;
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};
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char buffer[LUAL_BUFFERSIZE];
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} luaL_Buffer;
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#define luaL_putchar(B,c) \
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((void)((B)->p < &(B)->buffer[LUAL_BUFFERSIZE] || luaL_prepbuffer(B)), \
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(*(B)->p++ = (char)(c)))
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#define luaL_bufflen(bf) ((bf)->n)
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#define luaL_buffaddr(bf) ((bf)->b)
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#define luaL_addsize(B,n) ((B)->p += (n))
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LUALIB_API void luaL_buffinit (lua_State *L, luaL_Buffer *B);
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LUALIB_API char *luaL_prepbuffer (luaL_Buffer *B);
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LUALIB_API void luaL_addlstring (luaL_Buffer *B, const char *s, size_t l);
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LUALIB_API void luaL_addstring (luaL_Buffer *B, const char *s);
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LUALIB_API void luaL_addvalue (luaL_Buffer *B);
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LUALIB_API void luaL_pushresult (luaL_Buffer *B);
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#define luaL_addchar(B,c) \
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((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \
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((B)->b[(B)->n++] = (c)))
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#define luaL_addsize(B,s) ((B)->n += (s))
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#define luaL_buffsub(B,s) ((B)->n -= (s))
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LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
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LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz);
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LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
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LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
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LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
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LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
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LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);
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LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);
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#define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE)
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/* }====================================================== */
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/*
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** {======================================================
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** File handles for IO library
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** =======================================================
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*/
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/*
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** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
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** initial structure 'luaL_Stream' (it may contain other fields
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** after that initial structure).
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*/
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#define LUA_FILEHANDLE "FILE*"
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typedef struct luaL_Stream {
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FILE *f; /* stream (NULL for incompletely created streams) */
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lua_CFunction closef; /* to close stream (NULL for closed streams) */
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} luaL_Stream;
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/* }====================================================== */
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/*
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** {============================================================
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** Compatibility with deprecated conversions
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** =============================================================
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*/
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#if defined(LUA_COMPAT_APIINTCASTS)
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#define luaL_checkunsigned(L,a) ((lua_Unsigned)luaL_checkinteger(L,a))
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#define luaL_optunsigned(L,a,d) \
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((lua_Unsigned)luaL_optinteger(L,a,(lua_Integer)(d)))
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#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))
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#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))
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#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))
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#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))
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#endif
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/* }============================================================ */
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#endif
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