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Beef

ActionScript3.0(AS3) implementation of Lua. Beef intend to be used as a game script.

Features

  • parse and execute a Lua code.
  • call as3.0 method from Lua.
  • virtual thread.(script-truntime can share context with other script-runtime.)
  • unicode Identifier.(incompatible with Lua)

Following specifications is not implemented

  • Metatable
  • Coroutines
  • almost standard function.
  • for-in,repeate statment.

Code Example.

call AS3 method from Lua

1. Create an AS3 Class called as a Lua function.

public class FuncWaitTime extends SystemFunction {
    public function FuncWaitTime() {
      super();
    }
    public override function call(runtime:ScriptRuntime, params:Vector.<Value>):Value {
      runtime.stop();
      var millis:Number = params[0].asNumber().value;
      setTimeout(function():void{ runtime.resume();}, millis);
      return BooleanValue.TRUE;
    }
  }
}

2. Call AS3 code from Lua.

var source:String = "wait_time(1000)";
var c:Compiler = new Compiler();
var fn:ScriptFunction = c.parse(source);
var runtime:ScriptRuntime = new ScriptRuntime();
runtime.addFunction('wait_time', new FuncWaitTime());
runtime.execute(fn);

Lua Code Examaple.

local a = 10
g = a * a + 10
c,d = a,g

a = 1
::ONEMORE::
a = a + 1
print(a)
if a < 10 then goto ONEMORE; end

function square(a)
  print(a * a)
end

square(50)

License

The MIT License (MIT)

Copyright (c) <2017> devneko[email protected]

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.