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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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6
src/lib_debug.c
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@ -176,8 +176,9 @@ LJLIB_CF(debug_setlocal)
static int debug_getupvalue(lua_State *L, int get)
{
int32_t n = lj_lib_checkint(L, 2);
if (isluafunc(lj_lib_checkfunc(L, 1))) {
const char *name = get ? lua_getupvalue(L, 1, n) : lua_setupvalue(L, 1, n);
const char *name;
lj_lib_checkfunc(L, 1);
name = get ? lua_getupvalue(L, 1, n) : lua_setupvalue(L, 1, n);
if (name) {
lua_pushstring(L, name);
if (!get) return 1;
@ -185,7 +186,6 @@ static int debug_getupvalue(lua_State *L, int get)
L->top++;
return 2;
}
}
return 0;
}