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better organization for fields in struct 'expdesc'

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This commit is contained in:
Roberto Ierusalimschy
2010-07-02 17:42:40 -03:00
parent 7631c29b2f
commit 6a02bbe1e2
4 changed files with 67 additions and 62 deletions
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12
lparser.h
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@@ -1,5 +1,5 @@
/*
** $Id: lparser.h,v 1.62 2010/02/26 20:40:29 roberto Exp roberto $
** $Id: lparser.h,v 1.63 2010/03/12 19:14:06 roberto Exp roberto $
** Lua Parser
** See Copyright Notice in lua.h
*/
@@ -25,8 +25,8 @@ typedef enum {
VKNUM, /* nval = numerical value */
VLOCAL, /* info = local register */
VUPVAL, /* info = index of upvalue in 'upvalues' */
VINDEXED, /* info = table R/K; aux = index R/K */
VINDEXEDUP, /* info = table upvalue; aux = R/K */
VINDEXED, /* t = table register; idx = index R/K */
VINDEXEDUP, /* t = table upvalue; idx = index R/K */
VJMP, /* info = instruction pc */
VRELOCABLE, /* info = instruction pc */
VNONRELOC, /* info = result register */
@@ -38,7 +38,11 @@ typedef enum {
typedef struct expdesc {
expkind k;
union {
struct { int info, aux; } s;
struct {
short idx;
lu_byte t;
} ind; /* for indexed variables */
int info;
lua_Number nval;
} u;
int t; /* patch list of `exit when true' */