[Laszlo-dev] For Review: Change 20090221-hqm-g Summary: make swf9 debugger evaluate globals

[Donald Anderson]

approved.

On Feb 21, 2009, at 11:42 PM, Henry Minsky wrote:

> Change 20090221-hqm-g by hqm at badtzmaru.home on 2009-02-21 23:23:52 EST
>    in /Users/hqm/openlaszlo/trunk6
>    for http://svn.openlaszlo.org/openlaszlo/trunk
>
> Summary:  make swf9 debugger evaluate globals
>
> New Features:
>
> Bugs Fixed: LPP-7770  make swf9 debugger evaluate globals
>
> Technical Reviewer: ptw
> QA Reviewer: dda
> Doc Reviewer: (pending)
>
> Documentation:
>
> Release Notes:
>
> Details:
>
> + this change gets much of the substrate needed to compile debugger
> eval expressions that reference globals in the app. Eval works for
> global vars, but fails for what should be global function
> declarations.
>
> + when eval'ing an expression, compile it with the swf9 "incremental"
> flag, which causes the compiler to reuse the same sf9 working
> directory that the main app was compiled in. This causes globals
> declarations to be visible.
>
> Tests:
>
> + compile this test file in swf9
>
> global.lzx:
>
> <canvas debug="true" height="500">
>  <script when="immediate">
>  var xx1 = 1;
>  var xx2 = 2;
>  function getxx1() {
>    return xx1;
>  }
>  var getxx1_really = function () { return xx1; }
>
>  </script>
> </canvas>
>
> Then in the swf9 debugger, evaluate
>
> xx1+0  ==> 1
> xx2+0  ==> 2
>
> [Note: If you just type "xx1", the debugger local pattern matcher  
> tries to
> evaluate it, and globalValue('xx1') seems to return undefined. I  
> don't know
> how we can locally evaluate a global var in swf9...]
>
> Also, the example global function above, getxx1(), does not get
> compiled as a global function by the swf9 compiler; it gets compiled
> as a function inside of the LzApplication, (see below), which doesn't
> put it into global scope.
>
>
> override public function runToplevelDefinitions () {
>    canvas = new LzCanvas(...);
>    ...
>    ...
>
>    function getxx1 () {
>    /* -*- file: -*- */
>    /* -*- file: global.lzx#6.3 -*- */
>    return xx1
>    }
>    ...
> }
>
>
>
>
>
> Files:
> M      WEB-INF/lps/lfc/debugger/platform/swf9/LzFlashRemote.as
> M      WEB-INF/lps/server/src/org/openlaszlo/servlets/responders/ 
> ResponderEVAL.java
> M      WEB-INF/lps/server/src/org/openlaszlo/compiler/Compiler.java
> M      lps/components/debugger/platform/swf9/eval.lzs
>
> Changeset: http://svn.openlaszlo.org/openlaszlo/patches/20090221-hqm-g.tar


--

Don Anderson
Java/C/C++, Berkeley DB, systems consultant

voice: 617-306-2057
email: dda at ddanderson.com
www: http://www.ddanderson.com





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