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Lars Ackermann

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Last activity February 03, 2021 12:54
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Lars Ackermann commented, February 03, 2021 12:54
I've implemented the node factory now but it seemed not to be used. Replacing the old node with a new instance of concept Y leads to an "empty" node of concept Y, i.e. no properties and no child no...
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Lars Ackermann commented, February 03, 2021 12:15
Thank you very much for the fast reply. Ok, the issue with the cast operator I understand completely and I also expected something like that. However, I'm a bit surprised that I have to copy all pr...
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Lars Ackermann created a post, February 03, 2021 12:02
How to specialize a node of concept X to concept Y where Y extends X

Hi, I'm currently trying to write an intention that converts a node of a concept (let's call it X) to a node of a different concept (let's call it Y and let Y be an extension of concept X). As far...
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Lars Ackermann commented, March 17, 2020 11:07
Ah, got your point. Without this restriction it would be just "guessing" where to place the nodes generated by calling the template. Regarding the language the issue was indeed that the editor impl...
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Lars Ackermann commented, March 16, 2020 14:15
Thank you again for the fast reply. However, the template with the two template fragments perfectly describes my first try. If I do this, I get an error message (cf. screenshot below). After your e...
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Lars Ackermann commented, March 16, 2020 13:09
Thank you for this concise example. I've already tried this solution before but without the "$LOOP$" in membersOfA. In my source language the concepts A and B have only properties but no children: ...
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Lars Ackermann commented, March 16, 2020 11:47
Thank you very much for the fast and informative reply! Sorry, my description was too vague. Actually, your second and third explanations are (partially) the answers I was looking for. My questions...
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Lars Ackermann created a post, March 09, 2020 16:43
Concept inheritance and overlapping reduction rules

Hi folks, I'm currently struggling with an issue that is related to concept inheritance and the generator aspect. A simplified version of my scenario is: I have two concepts "A" and "B" while "B" ...
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Lars Ackermann created a post, November 02, 2015 13:04
How to use references correctly

Hi community,maybe this thread could serve as a container for all questions regarding references. I have a general question about an editor for a node which has a reference to a second node. There ...
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Lars Ackermann created a post, October 23, 2015 14:17
DSL Product Lines

Hi community,I'm currently trying to figure out if it is possible to define a DSL product line using MPS. So I want to generate a language module in MPS based on contents I specify using my DSL for...
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