[Exist-development] Trunk: Changed try-catch implementation (XQuery 3.0)

[Dannes W. <da...@ex...>]

Hi,

I updated the try-catch implementation in 1.5/trunk to match the latest (and last) XQuery 3.0 specification. The updated spec is incompatible with the old spec, so if you already use the try-catch expression, you need to change your code.

Note: 
the ANTLR code hasn't been updated yet, this will be done later this week. Until then no XQuery compilation errors will be  visible.


Example code:

xquery version '3.0';
try {
    fn:error(fn:QName('http://www.w3.org/2005/xqt-errors', 'err:FOER0000'))
}
catch * {
    $err:code, $err:value, " module: ",
    $err:module, "(", $err:line-number, ",", $err:column-number, ")"
}


Refs:
- Updated Wiki : http://atomic.exist-db.org/HowTo/XQuery3/Try-CatchExpression
- W3C specification : http://www.w3.org/TR/xquery-30/#id-try-catch


kind regards

Dannes Wessels

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