Re: [Embedlets-dev] JBASIC
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Re: [Embedlets-dev] JBASIC
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From: Holger B. - b. <ho...@bi...> - 2003-10-13 19:46:18
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IMVHO, the if-else construct is a good way to see the diff: it should
be a object state whitch is able to be on or off.
The usage of a string which contains the _word_ "on" or "off" is a good
example for basic.
BTW: what about the good old IBM bsf BeanScriptingFrameWork ?
bax
Am Montag, 13.10.03 um 21:32 Uhr schrieb Christopher Smith:
> Topic tags:[ARCH][JAPL][WIRING][DOCS][MGMT][STRATEGY][NEWBIE]
> _______________________________________________
>
> Ted,
>
> Hmmm, reality is always interfering with the pure pursuit of
> happiness. I
> can see that we will be unable to rescue you from the dark side.
>
> I appreciate the difficulty in teaching an advanced language such as
> Java
> with its numerous OOP assumptions, but I also have reservations
> regarding
> the presentation of a Basic interpreter on top of a byte code
> interpreter as
> a viable contender in the embedded market. I can see the value in some
> scripting capability as a form of glue logic if there is a tight
> integration
> with the Embedlet container and a fundamental OO syntax such as exists
> in
> Java Script eg:
>
> function void startMachine() {
>
> container = context.getContainer();
> startSwitch = container.getComponent("StartSwitch");
> if (startSwitch.getBoolean()) {
> state = "on";
> } else {
> state = "off";
> }
> println("Start switch is " + state);
> }
>
> Did you look at Rhino or Jython?
>
> Chris
>
> Christopher Smith
> OopScope, LLC.
> www.oopscope.com
> cs...@oo...
> 805-276-0598
>
>> -----Original Message-----
>> From: emb...@li...
>> [mailto:emb...@li...]On Behalf Of
>> Ted
>> Kosan
>> Sent: Saturday, October 11, 2003 12:10 AM
>> To: emb...@li...
>> Subject: RE: [Embedlets-dev] JBASIC
>>
>>
>> Topic tags:[ARCH][JAPL][WIRING][DOCS][MGMT][STRATEGY][NEWBIE]
>> _______________________________________________
>>
>> Chris wrote:
>>
>>> The idea is repugnant! A step back from the Renaissance to the
>> dark ages!
>>> You are painting over a Picasso with Elvis felt art! Condemning your
>>> students to a life long struggle with a language impediment.
>>
>> Chris, for the most part I agree with you!
>>
>> But... here is how I eventually made the decision to go with
>> JBasic. Earlier
>> this summer I finally figured out that neither BeanShell nor
>> Jython was going
>> to fit on a TStik and that, if an easy-to-use interpreter was
>> going to be made
>> available for EmbeddedJava devices, I was going to have to
>> develop it myself.
>>
>> After I made the decision to build an interpreter, I drove myself
>> absolutely
>> nuts trying to decide which language to go with. During this
>> process I was
>> forced to keep coming back to the fact that most of the programmers
>> in the
>> world today started off on some form of BASIC (like Apple BASIC,
>> Commodore 64
>> and VIC 20 BASIC, TRS-80 BASIC, Microsoft BASIC, GW-BASIC, Timex
>> Sinclair
>> BASIC, QBASIC and most recently VisualBasic).
>>
>> Also, it is hard to escape from the fact that even today, the most
>> popular
>> Embedded systems for beginners are products like BASIC Stamp, BASICX,
>> etc.
>>
>> Beyond this, during all of the "Intro to programming" classes I
>> have taught
>> during the past 13 years, BASIC (QBASIC specifically) was absolutely
>> the
>> hands-down easiest language to teach to beginners. The 2 years
>> that I tried to
>> teach Java to non-programming beginners were very rough and it felt
>> like a
>> forced march the whole way through.
>>
>> So, I finally was forced to simply go with my instincts and
>> experience and
>> (after the required 'unbelievable amount of hard work'), JBasic
>> was the result.
>> As the screen shot shows, I have also made an IDE for it (which
>> is based on
>> jEdit) and I must say that teaching programming to beginners is
>> *fun* again!
>>
>> After experiencing how easy it is to teach BASIC to beginning
>> programmers
>> again, I am extremely confident that I made the right choice.
>>
>> And, for the first time since 1999, I feel deep down that we
>> finally have a way
>> to market EmbeddedJava to the Embedded systems masses. It was such a
>> good
>> feeling to be able to put a program on a TStik last week without
>> having to use
>> javac and TiniConverter and now I can see a clear path for how we
>> can approach
>> the huge BASICStamp, BASICX and PICBasic communities with
>> embedded systems that
>> they can jack right into the net and program in an easy manner.
>>
>>
>>
>>> At least you could have done it in JavaScript, a (small) step
>> in the right
>>> direction.
>>
>> Actually, I think that a 'huge step right to the destination' is
>> to follow up
>> JBasic with a pure Java interpreter. My thought is that a
>> significant number
>> of developers are going to quickly exhaust JBasic's capabilities
>> and then the
>> most logical step for them will be to learn Java.
>>
>> JBasic will already have some Java syntax in it and so a move to
>> a Java based
>> version of the interpreter should represent a natural
>> progression. They will
>> still be shielded from tools like TiniConverter, JemBuilder and
>> Charade which
>> will allow them to focus on learning what Object Oriented
>> programming is all
>> about.
>>
>> Finally, the hard-core developers will certainly want to go on to
>> learn
>> full-blown Java and by that time they should be ready for it.
>>
>> The gentle on-ramp that I envisioned for easing Embedded developers
>> into
>> Embedded Java will finally materialize and the IT support
>> personel that I was
>> personally wanting to target the OutPost/Graphic Wiring Tool
>> combination at
>> will be able to get started right now with OutPost/JBasic.
>>
>>
>> Ted
>>
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>>
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>
>
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