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Robert Walter
Total activity
260
Last activity
February 17, 2020 10:11
Member since
December 04, 2015 14:13
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Activity overview
Posts (22)
Comments (140)
Robert Walter
commented,
February 11, 2020 11:59
Well, you use an enum. This is pretty much behaving like a string but limited to the enum members. Or you use a property constraint for your string property and a menu part in the editor cell of yo...
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MPS
How to give suggestion or DropDown box in Mps?
0 votes
Robert Walter
commented,
February 11, 2020 11:10
Are you familiar with the substitution menu in MPS? Also, how did you model your subject names? Are they nodes implementing the INamedConcept interface? Is it an enum property? The more informatio...
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MPS
How to give suggestion or DropDown box in Mps?
1 vote
Robert Walter
commented,
January 30, 2020 13:19
Hi Jacquilinedoss, again, it shouldn't matter how your editor looks like, i.e. whether or not you use a tabular or any other kind of projection. If you want to access each value in your table, you ...
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MPS
MPS TABLE EDITOR DETAILED STEPS
0 votes
Robert Walter
commented,
January 30, 2020 12:37
The fact that you project your data as a table does not influence how you access the AST from a 3rd party application (unless the data you are projecting is, of course, not stored in your AST). So ...
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MPS
MPS TABLE EDITOR DETAILED STEPS
0 votes
Robert Walter
commented,
January 29, 2020 11:57
There are, just google "JetBrains MPS table" and you will find this: https://tomassetti.me/tabular-projections-in-jetbrains-mps-lets-start-building-an-accounting-system/ Also, it is worthwhile tryi...
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MPS
MPS TABLE EDITOR DETAILED STEPS
1 vote
Robert Walter
commented,
January 28, 2020 12:55
Are you using slisson tables? If yes, the source code comes with a bunch of examples: https://github.com/JetBrains/MPS-extensions/tree/master/code/tables/languages/de.slisson.mps.tables.demolang
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MPS
Table as input
0 votes
Robert Walter
commented,
January 14, 2020 09:15
Hi Adrian, I do not know, unfortunately, about the state of primitive data types and why they cause the error you are experiencing. Maybe we will get an official comment about them. Might be a simp...
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MPS
How to use Primitive Datatype?
1 vote
Robert Walter
commented,
January 13, 2020 08:37
Hi Adrian, just some general advice in case you don't already know that: it is always a good idea in MPS to look for other instances of something that is new to you, just as a general tip. For Pri...
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MPS
How to use Primitive Datatype?
0 votes
Robert Walter
commented,
January 13, 2020 08:09
Luckily, you cannot manipulate the AST in a checking rule. A checking rule runs every time a (sub-)tree gets invalidated, so this would add a LOT of nodes if this would work! For models that alread...
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MPS
Updating child of other node
0 votes
Robert Walter
commented,
December 15, 2019 12:38
There are several ways I can think of to achieve this, in the end, you would have to try them out to see what works best for your specific use case. Approach 1: A Concept with two extensions You wa...
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MPS
Autocomplete and Validate of a String based on Enum and Other concept properties
0 votes