[RESENT: Redirecting to Laszlo-dev]

On Jun 28, 2008, at 16:24, David Temkin <[EMAIL PROTECTED]> wrote:

It would be great if this actually worked. In what way are our SWFs malformed?

There was an earlier thread on this....

I thought we had made the gnash guys happy a long time ago. That's my recollection. I could dredge my mail. But why not just ask them?

My recollection is that we had a bad computation of a byte offset. And that Phil and I fixed the math.

[Later]

This is the last message I found to/from strk. Reading the thread, we fixed all the malformed SWF bugs and they were able to compile (with the LPS) a simple test app and run it, but this test app was nothing but a call to the Flash trace built-in from a script block (and built on a stubbed out LFC). Their interpreter was choking trying to interpret our runtime class structure, and I sent a very basic test case that they would have to be able to interpret for our class system to work. I can't find any response to that. If you want to go forward with this, I suggest someone write to [EMAIL PROTECTED] and see if they would like to try again.

Begin forwarded message:

From: P T Withington <[EMAIL PROTECTED]>
Date: 1 March 2007 10:16:52 EST
To: strk <[EMAIL PROTECTED]>
Cc: OpenLaszlo development and bug reporting <[email protected] >, Henry Minsky <[EMAIL PROTECTED]>, gnash-dev Mailing List <[EMAIL PROTECTED] >, mdavis <[EMAIL PROTECTED]>, Don Hopkins <[EMAIL PROTECTED] >
Subject: Re: [Gnash-dev] Re: Hello world working with OpenLaszlo

This has to work for our classes to work:

<script when="immediate">
 function A () { this.constructor = arguments.callee; };
 A.prototype.test = function () { return true; }

 function B () { this.constructor = arguments.callee; };

 B.prototype = new A();

 B.prototype.test = function () {
   if (this.constructor.prototype.constructor.prototype.test()) {
     _global.trace("it works");
   }
 }

 (new B()).test();
</script>


On 2007-03-01, at 09:47 EST, strk wrote:

On Thu, Mar 01, 2007 at 09:42:35AM -0500, P T Withington wrote:
The constructor is the default constructor, which is Instance.make.
The initialize method is called by the constructor as the last thing
before it returns the new instance.

If you build the LFC for the DHTML runtime, you can look at the
'expanded' Javascript, which approximates what is compiled down to SWF.

 buildlfc --runtime=dhtml ...

That might make it easier to understand the class declarations.

Could you try providing a simplified version of this inheritance
model to easy debuggin of Gnash instead ?
A self-testing SWF that uses those 'constructor', 'prototype' and
friend hacking and prints PASSED or FAILED if things don't work
as expected ?

--strk;


On 2007-03-01, at 09:35 EST, strk wrote:

I've found at least *one* of the nogo points.

Commenting out this line:

LzLoadQueue.timeoutDel = new LzDelegate( LzLoadQueue ,
"checkTimeout" );

In kernel/swf/LzLoadQueue.as, get successfully to my trace.

I've changed the code to:

_global.trace('initializing LzLoadQueue.timeoutDel');
LzLoadQueue.timeoutDel = new LzDelegate( LzLoadQueue ,
"checkTimeout" );
_global.trace('LzLoadQueue.timeoutDel (not) initialized');

The second trace is *never* reached.

Now, looking at LzDelegate class definition:

./events/LaszloEvents.lzs

Which function is the constructor ? Is it 'initialize' ?

--strk;


On Thu, Mar 01, 2007 at 09:01:52AM -0500, P T Withington wrote:
Ah. Sorry about the confusion. Not sure why what I wrote does not
work.

On 2007-03-01, at 08:59 EST, strk wrote:

Found a workaround:

'_global.trace("message");' bypass the surveillance.

--strk;

On Thu, Mar 01, 2007 at 01:53:21PM +0100, strk wrote:
On Thu, Mar 01, 2007 at 05:57:03AM -0500, P T Withington wrote:

That looks like a 'feature' in the compiler.  It seems that it
intentionally compiles away any `trace` calls.  Perhaps this
was to
avoid debug output in production.

Try building your LFC with:

buildlfc -DcompileTrace=flash ...

No difference, no even additional warnings.
Note that the trace() calls I'm adding to  .lzs files,
LIke:

On top of LaszloLibrary.lzs:

trace("LaszloLibrary.lzs included");

--strk;


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