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From Gordon Smith <gosm...@adobe.com>
Subject New Falcon feature tests
Date Sat, 08 Dec 2012 01:40:14 GMT
Today I added feature tests for the <Object> and <XML> tags. (Each MXML feature
test compiles a tiny MXML app that tests one particular feature, runs it in the standalone
player, and checks that it ran correctly.)

Most cases of <Object> work, but I discovered something I never knew: The <Object>
tag doesn't just allow code like

<Object a="1" b="2"/>





(which are the three ways to write { a: 1, b: 2 } in MXML), but also allows

<Object> abc </Object>
<Object> 123 </Object/>

I'll make Falcon support text-inside-Object-tag at some point, but for now the behavior of
the old compiler when you do this is very quirky in two ways: (1) it treats the 123 as a string,
not an integer; it trims the whitespace around the 123 while not around the abc. Maybe we'll
fix this in MXML 201X!

The <XML> tag isn't in good shape... even simple examples create a SWF that throws a
TypeError at runtime.

To make it easier to fix codegen problems like this, I've made it possible to inspect a dump
of the generated ABC in the debugger. This is similar to how the debugger can show you an
entire AST or an entire file scope.

- Gordon

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