Where does the rewrite happen in the code? I could try to fix it.
On Fri, Sep 23, 2011 at 11:36 PM, P T Withington <[email protected]> wrote:
> Looks like the common path in the compiler for translating ?: is not
> rewriting the test expression. Should be an easy fix.
>
> On Sep 23, 2011, at 11:10, Raju Bitter <[email protected]>
> wrote:
>
>> The generated AS3 source code for the function:
>>
>> function testMethod () {
>> var $0 = 999, $1 = false;
>>
>> result == 999 ? (visible = true) : visible = false;
>>
>> Debug.info("visible=", $1)
>> }
>>
>> On Fri, Sep 23, 2011 at 5:05 PM, Raju Bitter
>> <[email protected]> wrote:
>>> 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
>>>>
>>>
>>
>
