Had a small typo in the source code: for the Debug.info output it should be
Debug.info("visible=", visible);
On Fri, Sep 23, 2011 at 5:03 PM, Raju Bitter
<[email protected]> wrote:
> I've run into a problem with the ternary operator within LZX. Take the
> following JS snippet:
>
> var result = 10;
> var visible = false;
> (result == 10) ? visible = true : visible = false;
>
> I can run the code snippet in Rhino and Chrome JavaScript console
> without any problems. I can use the same code within an AS3
> application. But the OpenLaszlo compiler shows the following error
> message for both DHTML and SWF10:
>
> org.openlaszlo.sc.CompilerError:
> ../../app/lzx/test/ou-jira-bugs/ternary/ternary.lzx: 7: Error: Access
> of undefined property result, in line: result == 10 ? (visible = true)
> : visible = false;
> ../../app/lzx/test/ou-jira-bugs/ternary/ternary.lzx: 7: Error: Access
> of undefined property visible, in line: result == 10 ? (visible =
> true) : visible = false;
> ../../app/lzx/test/ou-jira-bugs/ternary/ternary.lzx: 7: Error: Access
> of undefined property visible, in line: result == 10 ? (visible =
> true) : visible = false;
>
> Here's the full LZX code I use for testing:
> <canvas debug="true">
>
> <node id="theNode">
> <method name="testMethod">
> var result = 999,
> visible = false;
> (result == 999) ? visible = true : visible = false;
> Debug.info("result=", result);
> </method>
> </node>
>
> <button text="testMethod" onclick="theNode.testMethod()" />
>
> </canvas>
>
> Looking into the generated JS code for the DHTML runtime, I can see
> that the expression is not compiled correctly:
> Original code:
> Generated: result == 999 ? (visible = true) : visible = false;
>
>
> Generated code:
> var $lzsc$temp = function() { /* -*- file: -*- */
> try { /* -*- file: ternary.lzx#5 -*- */
> var result_$0 = 999,
> visible_$1 = false;
>
> result == 999 ? (visible = true) : visible = false;
> Debug.info("result=", result_$0)
> } /* -*- file: -*- */
> catch ($lzsc$e) {
> if ((Error["$lzsc$isa"] ? Error.$lzsc$isa($lzsc$e) :
> $lzsc$e instanceof Error) && $lzsc$e !== lz["$lzsc$thrownError"]) {
> $reportException("ternary.lzx", 4, $lzsc$e)
> } else {
> throw $lzsc$e
> }
> }
> };
>
> Ternary operator expressions work with the following synax:
> visible = (result == 999) ? true: false;
>
> Looks like a bug to me.
>
> - Raju
>
