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I'm using MPS to implement a really interesting DSL. What I'm curious to know, and haven't found anything on their site about, is whether I can, within the typesystem, issue an API call or query a database on the fly. So we would see that an equivalence test occurs and I want to be able to issue an API call or database query to see the feasibility of that equivalence test under further constraints and analysis.

lilott8
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You can call any Java code but it will probably make the editor and possibly other parts of MPS unresponsive since asynchronous calls are not supported.

Sergej Koščejev
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  • Yeah, I knew whatever it could do would end up being blocking; which is fine. Just that I *can* make external requests is the important factor here. Thanks! – lilott8 Jun 30 '16 at 17:46