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lua: clear stack in all callbacks
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
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src/lua.zig
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src/lua.zig
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/// The on_connect event is emitted when we complete registration and receive a RPL_WELCOME message
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pub fn onConnect(lua: *Lua, client: *irc.Client) !void {
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defer lua.setTop(0); // []
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lua.pushLightUserdata(client); // [light_userdata]
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lua.setField(registry_index, client_key); // []
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}
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pub fn onMessage(lua: *Lua, client: *irc.Client, channel: []const u8, sender: []const u8, msg: []const u8) !void {
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defer lua.setTop(0); // []
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Client.getTable(lua, client.config.lua_table); // [table]
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const lua_type = lua.getField(1, "on_message"); // [table, type]
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switch (lua_type) {
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_ = lua.pushString(msg); // [function,string,string,string]
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lua.protectedCall(3, 0, 0) catch return error.LuaError;
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},
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else => lua.pop(2), // []
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else => {},
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}
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}
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}
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pub fn execUserCommand(lua: *Lua, cmdline: []const u8, func: i32) !void {
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defer lua.setTop(0); // []
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const lua_type = lua.rawGetIndex(registry_index, func); // [function]
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_ = lua.pushString(cmdline); // [function, string]
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