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new implementation for global variable values (separated from strings)

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Roberto Ierusalimschy 1999-11-04 15:23:12 -02:00
parent 80b39d83c3
commit cde179b369
12 changed files with 166 additions and 145 deletions
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27
lobject.h
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@ -1,5 +1,5 @@
/*
** $Id: lobject.h,v 1.33 1999/10/14 19:13:31 roberto Exp roberto $
** $Id: lobject.h,v 1.34 1999/10/19 13:33:22 roberto Exp roberto $
** Type definitions for Lua objects
** See Copyright Notice in lua.h
*/
@ -87,25 +87,30 @@ typedef struct TObject {
typedef struct GlobalVar {
TObject value;
struct GlobalVar *next;
struct TaggedString *name;
} GlobalVar;
/*
** String headers for string table
*/
typedef struct TaggedString {
struct TaggedString *nexthash; /* chain hash table */
struct TaggedString *nextglobal; /* chain global variables */
unsigned long hash;
int constindex; /* hint to reuse constants (= -1 if this is a userdata) */
union {
struct {
TObject globalval;
long len; /* if this is a string, here is its length */
struct { /* for strings */
GlobalVar *gv; /* eventual global value with this name */
long len;
} s;
struct {
struct { /* for userdata */
int tag;
void *v; /* if this is a userdata, here is its value */
void *value;
} d;
} u;
struct TaggedString *nexthash; /* chain for hash table */
unsigned long hash;
int constindex; /* hint to reuse constants (= -1 if this is a userdata) */
unsigned char marked;
char str[1]; /* \0 byte already reserved */
} TaggedString;