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-rw-r--r--src/ldblib.js28
1 files changed, 23 insertions, 5 deletions
diff --git a/src/ldblib.js b/src/ldblib.js
index 7dde1c4..2edc507 100644
--- a/src/ldblib.js
+++ b/src/ldblib.js
@@ -23,6 +23,22 @@ const db_getregistry = function(L) {
return 1;
};
+const db_getmetatable = function(L) {
+ lauxlib.luaL_checkany(L, 1);
+ if (!lapi.lua_getmetatable(L, 1)) {
+ lapi.lua_pushnil(L); /* no metatable */
+ }
+ return 1;
+};
+
+const db_setmetatable = function(L) {
+ const t = lapi.lua_type(L, 2);
+ lauxlib.luaL_argcheck(L, t == lua.CT.LUA_TNIL || t == lua.CT.LUA_TTABLE, 2, lua.to_luastring("nil or table expected"));
+ lapi.lua_settop(L, 2);
+ lapi.lua_setmetatable(L, 1);
+ return 1; /* return 1st argument */
+};
+
/*
** Auxiliary function used by several library functions: check for
** an optional thread as function's first argument and set 'arg' with
@@ -194,11 +210,13 @@ const db_traceback = function(L) {
};
const dblib = {
- "getinfo": db_getinfo,
- "getlocal": db_getlocal,
- "getregistry": db_getregistry,
- "traceback": db_traceback,
- "upvalueid": db_upvalueid
+ "getinfo": db_getinfo,
+ "getlocal": db_getlocal,
+ "getmetatable": db_getmetatable,
+ "getregistry": db_getregistry,
+ "setmetatable": db_setmetatable,
+ "traceback": db_traceback,
+ "upvalueid": db_upvalueid
};
// Only with Node