dart_lua_ffi 0.1.1

dart use ffi call lua5.4

Features

use dart ffi link lua dynamic lib

Getting started

there is no dynamic link library file containing lua here

need users to download

version 5.4 is currently supported here

Usage

import 'dart:ffi';

import 'package:dart_lua_ffi/dart_lua_ffi.dart';
import 'package:dart_lua_ffi/generated_bindings.dart';
import 'package:ffi/ffi.dart';

const dartPrintPrefix = "dartLog: ";
final NULLP = Pointer.fromAddress(0);
void main() {
  final luaFFI = createLua("assets/lua54.dll");
  final lp = luaFFI.luaL_newstate();
  luaFFI.luaL_openlibs(lp);

  luaFFI.luaL_loadfilex(lp, "assets/hw.lua".toNativeUtf8().cast<Char>(), NULLP.cast());
  luaFFI.lua_pushnumber(lp, 1.2);
  luaFFI.lua_setglobal(lp, "dartvar".toNativeUtf8().cast());
  luaFFI.lua_pcallk(lp, 0, -1, 0, LUA_MULTRET, NULLP.cast());
  luaFFI.lua_settop(lp, 0);
  luaFFI.lua_getglobal(lp, "helloworldCall".toNativeUtf8().cast());
  luaFFI.lua_pcallk(lp, 0, 1, 0, LUA_MULTRET, NULLP.cast());
  {
    final runFunctionResult = luaFFI.lua_tonumberx(lp, 0, NULLP.cast());
    print("$dartPrintPrefix run function return result value  ${runFunctionResult}");
  }
  // LuaPrintPrefix definition in  [assets/hw.lua]  file
  luaFFI.luaL_loadstring(lp, "print(LuaPrintPrefix..\"from dart print \")".toNativeUtf8().cast());
  luaFFI.lua_pcallk(lp, 0, -1, 0, LUA_MULTRET, NULLP.cast());
  {
    final fromStringLoadCodeResult = luaFFI.luaL_loadstring(lp, "print(\"my from dart code load print \")".toNativeUtf8().cast());
    print("$dartPrintPrefix load error return number value : ${fromStringLoadCodeResult}");
  }
  luaFFI.lua_close(lp);
}

Check the example folder in the warehouse and place the required Lua dynamic link file in the assets folder to run the example