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type 'Udata' refers directly to structure inside the union (union

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used only for aligning purposes now)
This commit is contained in:
Roberto Ierusalimschy 2014-07-18 11:46:47 -03:00
parent ca41b43f53
commit bb12903120
7 changed files with 48 additions and 35 deletions
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7
lstate.h
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@ -1,5 +1,5 @@
/*
** $Id: lstate.h,v 2.111 2014/07/18 12:17:54 roberto Exp roberto $
** $Id: lstate.h,v 2.112 2014/07/18 13:36:14 roberto Exp roberto $
** Global State
** See Copyright Notice in lua.h
*/
@ -175,7 +175,7 @@ struct lua_State {
union GCUnion {
GCObject gc; /* common header */
struct TString ts;
union Udata u;
struct Udata u;
union Closure cl;
struct Table h;
struct Proto p;
@ -188,8 +188,7 @@ union GCUnion {
/* macros to convert a GCObject into a specific value */
#define gco2ts(o) \
check_exp(novariant((o)->tt) == LUA_TSTRING, &((cast_u(o))->ts))
#define rawgco2u(o) check_exp((o)->tt == LUA_TUSERDATA, &((cast_u(o))->u))
#define gco2u(o) (&rawgco2u(o)->uv)
#define gco2u(o) check_exp((o)->tt == LUA_TUSERDATA, &((cast_u(o))->u))
#define gco2lcl(o) check_exp((o)->tt == LUA_TLCL, &((cast_u(o))->cl.l))
#define gco2ccl(o) check_exp((o)->tt == LUA_TCCL, &((cast_u(o))->cl.c))
#define gco2cl(o) \