diff options
Diffstat (limited to 'libs/liblua/src/lauxlib.h')
-rw-r--r-- | libs/liblua/src/lauxlib.h | 54 |
1 files changed, 33 insertions, 21 deletions
diff --git a/libs/liblua/src/lauxlib.h b/libs/liblua/src/lauxlib.h index 9857d3a835..59fef6af13 100644 --- a/libs/liblua/src/lauxlib.h +++ b/libs/liblua/src/lauxlib.h @@ -1,5 +1,5 @@ /* -** $Id: lauxlib.h,v 1.131.1.1 2017/04/19 17:20:42 roberto Exp $ +** $Id: lauxlib.h $ ** Auxiliary functions for building Lua libraries ** See Copyright Notice in lua.h */ @@ -15,6 +15,12 @@ #include "lua.h" +/* global table */ +#define LUA_GNAME "_G" + + +typedef struct luaL_Buffer luaL_Buffer; + /* extra error code for 'luaL_loadfilex' */ #define LUA_ERRFILE (LUA_ERRERR+1) @@ -44,6 +50,7 @@ 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 int (luaL_typeerror) (lua_State *L, int arg, const char *tname); 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, @@ -73,6 +80,7 @@ LUALIB_API int (luaL_checkoption) (lua_State *L, int arg, const char *def, 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) @@ -93,8 +101,10 @@ 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_addgsub (luaL_Buffer *b, const char *s, + const char *p, const char *r); +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); @@ -121,6 +131,10 @@ LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname, #define luaL_argcheck(L, cond,arg,extramsg) \ ((void)((cond) || luaL_argerror(L, (arg), (extramsg)))) + +#define luaL_argexpected(L,cond,arg,tname) \ + ((void)((cond) || luaL_typeerror(L, (arg), (tname)))) + #define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL)) #define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL)) @@ -139,19 +153,30 @@ LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname, #define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL) +/* push the value used to represent failure/error */ +#define luaL_pushfail(L) lua_pushnil(L) + + /* ** {====================================================== ** Generic Buffer manipulation ** ======================================================= */ -typedef struct luaL_Buffer { +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; + union { + LUAI_MAXALIGN; /* ensure maximum alignment for buffer */ + char b[LUAL_BUFFERSIZE]; /* initial buffer */ + } init; +}; + + +#define luaL_bufflen(bf) ((bf)->n) +#define luaL_buffaddr(bf) ((bf)->b) #define luaL_addchar(B,c) \ @@ -160,6 +185,8 @@ typedef struct luaL_Buffer { #define luaL_addsize(B,s) ((B)->n += (s)) +#define luaL_buffsub(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); @@ -197,21 +224,6 @@ typedef struct 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 |