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'luaH_get' functions return tag of the result

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Undoing previous commit. Returning TValue increases code size without
any visible gains. Returning the tag is a little simpler than returning
a special code (HOK/HNOTFOUND) and the tag is useful by itself in
some cases.
This commit is contained in:
Roberto Ierusalimschy 2024-03-21 11:23:21 -03:00
parent ce6f5502c9
commit 0593256707
10 changed files with 139 additions and 133 deletions
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5
lcode.c
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@ -541,11 +541,12 @@ static void freeexps (FuncState *fs, expdesc *e1, expdesc *e2) {
** a function can make some indices wrong.
*/
static int addk (FuncState *fs, TValue *key, TValue *v) {
TValue val;
lua_State *L = fs->ls->L;
Proto *f = fs->f;
TValue val = luaH_get(fs->ls->h, key); /* query scanner table */
int tag = luaH_get(fs->ls->h, key, &val); /* query scanner table */
int k, oldsize;
if (ttisintegerV(val)) { /* is there an index there? */
if (tag == LUA_VNUMINT) { /* is there an index there? */
k = cast_int(ivalue(&val));
/* correct value? (warning: must distinguish floats from integers!) */
if (k < fs->nk && ttypetag(&f->k[k]) == ttypetag(v) &&