DrSocalkwe3n/luajit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

FFI: Add ctype metamethods and ffi.metatype().

Browse Source
This commit is contained in:
Mike Pall
2011-04-12 19:15:00 +02:00
parent fa5cd010e8
commit 3b6f37dd2c
11 changed files with 426 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/lj_ctype.c
View File

@@ -306,6 +306,22 @@ CTInfo lj_ctype_info(CTState *cts, CTypeID id, CTSize *szp)
return qual;
}
/* Get ctype metamethod. */
cTValue *lj_ctype_meta(CTState *cts, CTypeID id, MMS mm)
{
CType *ct = ctype_get(cts, id);
cTValue *tv;
while (ctype_isattrib(ct->info)) {
id = ctype_cid(ct->info);
ct = ctype_get(cts, id);
}
tv = lj_tab_getint(cts->metatype, (int32_t)id);
if (tv && tvistab(tv) &&
(tv = lj_tab_getstr(tabV(tv), mmname_str(cts->g, mm))) && !tvisnil(tv))
return tv;
return NULL;
}
/* -- C type representation ----------------------------------------------- */
/* Fixed max. length of a C type representation. */