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From Lua 5.2: debug.getupvalue() returns "" for C function upvalues.

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This commit is contained in:
Mike Pall 2012-09-19 12:03:03 +02:00
parent ead325b0c9
commit 998c656dc4
1 changed files with 9 additions and 9 deletions
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18
src/lib_debug.c
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@ -176,15 +176,15 @@ LJLIB_CF(debug_setlocal)
static int debug_getupvalue(lua_State *L, int get) static int debug_getupvalue(lua_State *L, int get)
{ {
int32_t n = lj_lib_checkint(L, 2); int32_t n = lj_lib_checkint(L, 2);
if (isluafunc(lj_lib_checkfunc(L, 1))) { const char *name;
const char *name = get ? lua_getupvalue(L, 1, n) : lua_setupvalue(L, 1, n); lj_lib_checkfunc(L, 1);
if (name) { name = get ? lua_getupvalue(L, 1, n) : lua_setupvalue(L, 1, n);
lua_pushstring(L, name); if (name) {
if (!get) return 1; lua_pushstring(L, name);
copyTV(L, L->top, L->top-2); if (!get) return 1;
L->top++; copyTV(L, L->top, L->top-2);
return 2; L->top++;
} return 2;
} }
return 0; return 0;
} }