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[ACCELEO] call Query interpreter programmatically [message #1709824]

Thu, 01 October 2015 11:52

Vincent De Bry

Messages: 55
Registered: May 2013

Member

Hi,

Lets consider I have a string representing an Acceleo 3 expression which has been written in a classic SWT Text field (typically in a preference page) .
I'd like to evaluate the results of this expression and manage the results programmatically.

I've taken a look at InterpreterView in org.eclipse.acceleo.ui.interpreter, but many methods are protected. Is it existing a simple class to which I could pass my String and get a Collection of EObjects as a result ?

Other connex subject: What I I would like to have the completion support for my expression in my Text widget ?

What part of existing code could be the correct entry point to these purposes ?

Thanks.

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Re: [ACCELEO] call Query interpreter programmatically [message #1710006 is a reply to message #1709824]

Fri, 02 October 2015 15:21

Stephane Begaudeau

Messages: 458
Registered: April 2010
Location: Nantes (France)

Senior Member

Hi,

For this need, you should use our new interpreter engine (AQL). It is way lighter, it is faster, it has less dependencies that the original engine and it comes with additional features and a better API. For your need, you should have a look at this test case showing how to build an expression and evaluate it.

If you want to have some validation of the expression, have a look at the result of the builder.build(...). Finally, if you some code completion, you can use our completion engine by having a look here. You just need to plug the code used in the test to the SWT content assist APIs.

Regards,

Stephane Bégaudeau, Obeo

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Re: [ACCELEO] call Query interpreter programmatically [message #1710269 is a reply to message #1710006]

Mon, 05 October 2015 15:44

Vincent De Bry

Messages: 55
Registered: May 2013

Member

Hi Stephane,
Thank you for this tip. It sounds quite good and I see how I should do with the last Acceleo's release.
But, in my development environment, I am constrained to use Acceleo 3.5.0. Was there the same possibility with this version ?

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