Function lua_java_register_class

src/agent/lua/api_java.c:567–677

#define JAVA_INSTANCE_MT "JavaInstance"

static int lua_java_register_class(lua_State* L) {
    luaL_checktype(L, 1, LUA_TTABLE);

    JNIEnv* env = get_jni_env();
    if (!env) {
        lua_pushnil(L);
        lua_pushstring(L, "Failed to get JNIEnv");
        return 2;
    }

    if (init_bridge_dex(env) != 0) {
        lua_pushnil(L);
        lua_pushstring(L, "Failed to load bridge DEX");
        return 2;
    }

    lua_getfield(L, 1, "implements");
    if (!lua_istable(L, -1)) {
        lua_pushnil(L);
        lua_pushstring(L, "implements must be a table");
        return 2;
    }

    int iface_count = luaL_len(L, -1);
    jclass iface_classes[16];
    for (int i = 0; i < iface_count && i < 16; i++) {
        lua_rawgeti(L, -1, i + 1);
        const char* iface_name = lua_tostring(L, -1);
        iface_classes[i] = find_class(env, iface_name);
        if (!iface_classes[i]) {
            lua_pushnil(L);
            lua_pushfstring(L, "Interface not found: %s", iface_name);
            return 2;
        }
        lua_pop(L, 1);
    }
    lua_pop(L, 1);

    CallbackRegistry* reg = (CallbackRegistry*)malloc(sizeof(CallbackRegistry));
    memset(reg, 0, sizeof(CallbackRegistry));
    reg->L = L;

    lua_getfield(L, 1, "methods");
    if (lua_istable(L, -1)) {
        lua_pushnil(L);
        while (lua_next(L, -2) != 0) {
            if (lua_isstring(L, -2) && lua_isfunction(L, -1)) {
                const char* mname = lua_tostring(L, -2);
                int ref = luaL_ref(L, LUA_REGISTRYINDEX);
                strncpy(reg->methods[reg->method_count].method_name, mname, 63);
                reg->methods[reg->method_count].lua_ref = ref;
                reg->method_count++;
            } else {
                lua_pop(L, 1);
            }
        }
    }
    lua_pop(L, 1);