"replaceable parameter record" and inner/outer - flattening fails when array size in record changes

[c.schulze@…]

In the attached file is a package with two testers.

In Tester_workingButWithError the model can be translated and the results are correct (see ticket #3300 ). In the second Tester_FlatteningFails the flattening fails, since the vector sizes of the records change.

Unfortunately this is an important language feature, that blocks the usage of the TIL Library ( ​http://www.tlk-thermo.com ) and e.g. the ClaRa Library ( ​http://www.claralib.com ) in OpenModelica.

[c.schulze@…]

test package

[Rüdiger Franke]

Good that you bring this up and give it some priority. The PowerSystems library suffers from this as well. See also #3183.

[c.schulze@…]

Nice to hear that others share these problems ;)

It seems that a small modification enables OpenModelica to run the testers:

model Submodel

outer SIM sim;
parameter Ra r(n=sim.r1.n) = sim.r1;

end Submodel;

[Adrian Pop]

With -d=newInst using script:

loadFile("TestRecordInConnector.mo"); getErrorString();
instantiateModel(TestRecordInConnector.Tester_FlatteningFails); getErrorString();
instantiateModel(TestRecordInConnector.Tester_workingButWithError); getErrorString();

we get:

adrpo33@ida-0030 MINGW64 /c/home/adrpo33/dev/OMTesting/bugs/3302
$ ~/dev/OpenModelica/build/bin/omc -d=newInst t.mos
true
""
""
"[C:/home/adrpo33/dev/OMTesting/bugs/3302/TestRecordInConnector.mo:5:5-5:35:writable] Error: Could not evaluate structural parameter (or constant): submodel.r.n which gives dimensions of array: x. Array dimensions must be known at compile time.
"
""
"[C:/home/adrpo33/dev/OMTesting/bugs/3302/TestRecordInConnector.mo:5:5-5:35:writable] Error: Could not evaluate structural parameter (or constant): submodel.r.n which gives dimensions of array: x. Array dimensions must be known at compile time.

[Francesco Casella]

Probably related to #5243

[Per Östlund]

Replying to casella:

Probably related to #5243

Seems likely since the issue is now fixed.