Robert Walter

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    Test model fails to compile when ":ne:" operator is used

    Hi, I have the following situation: I have a (very big) test model with hundreds of tests in one NodeTestCase, I added a utility function as soon as I add a comparison to this function using the :...
    • 2 followers
    • 4 comments
    • 0 votes
  • Edited

    Nested select operation require instantiation of local variable

    Hi, I have the following construct: list<list<[enummember<MyEnum>, node<MyConcept>]>> result = this.someCollection .select({\itemOuter => itemOuter.subCollection ...
    • 1 follower
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  • Created

    Upvote/downvote buttons in this forum

    Not sure if there is a better place to file this, but I noticed that the Upvote/Downvote buttons on a new post are in a different order comapred to the same buttons on an answer. Maybe somebody can...
    • 2 followers
    • 2 comments
    • 3 votes
  • Edited

    How to use CellModel_Image correctly?

    Hi, I use a CellModel_Image in an Editor to project an png-file. In the inspector, I set the path to my icon file using the ${module}-macro, like so: image provider : <no image provider> imag...
    • 1 follower
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    • 1 vote
  • Created

    MPS merge ignores manually accepted changes and falls back to old state

    This is a serious issue we observed several times now:The situation: We have users that work on a model with a custom MPS RCP. We develop our languages further and deploy a new RCP at some point W...
    • 1 follower
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    • 1 vote
  • Created

    Correct API to resolving module-reference from within a NodesTestCase

    I have a NodesTestCase where I try to resolve a module. This has worked before via: return (solution) module-reference/my.module.namespace/.resolve(MPSModuleRepository.getInstance()); The module I ...
    • 2 followers
    • 2 comments
    • 0 votes
  • Created

    Migration script leaves Module and Models in inconsistent state

    We experienced the following issue after running both manually written and automatically generated migration scripts: ERROR - tion.runtime.base.VersionFixer - Migration assistant detected inconsist...
    • 3 followers
    • 5 comments
    • 1 vote
  • Edited

    sequence vs. list (vs. nlist)

    Hi all, [using MPS 2017.2.3 with Windows 7] I have a checking rule that makes heavy use of sequences. It performs some checks on a big sequence and filters down the sequence (partly with a recursiv...
    • 2 followers
    • 3 comments
    • 1 vote
  • Created

    Custom models / modules for RCP

    Hi all, I'm looking for a way to add custom information to modules and models my language users interact with. When users of my RCP interact, they should not have to think in "modules" an...
    • 1 follower
    • 1 comment
    • 1 vote
  • Edited

    [Solved] enum/.../.members access in Test context

    Hi, I try to write a BTestCase where I iterate over an enum's member like so foreach member in enum/MyEnum/.members {    // test something } However, I get the following exception: java.lang.NullPo...
    • 2 followers
    • 3 comments
    • 0 votes