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@@ -66,3 +66,28 @@ From then on, you can simply invoke all tests in PyPy using:
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pypy scripts/run_tests.py
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```
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+## Example-driven DSML design
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+
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+This repository is a fork of the Modelverse and extends it with a method to define a domain-specific language based on example models.
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+To run it, first start the modelverse as described above. Then, upload all the required (meta)models with:
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+```sh
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+python2 main.py -u
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+```
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+
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+After that, start the user interface in example-modeling mode to sketch example models for the DSML:
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+```sh
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+python2 main.py -exm
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+```
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+This will create an empty example model and opens the sketching UI, where the example model can be drawn on the canvas. Use the keyboard commands "G" to group a selected set of primitives, "T" to type a group and "A" to attribute a node.
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+
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+Once a set of example models exists, the UI for instance modeling phase can be started with:
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+```sh
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+python2 main.py -im
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+```
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+Again, this will create an empty instance model. During instance modeling, the interface is constrained by the example models.
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+
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+In order to edit existing models, append "-m [path/to/model]" to the above commands. All models reside in fixed paths, namely "models/example/exX" and "models/instance/imX", whereby X is an integer starting from 1.
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+For example, to edit an example model, use
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+```sh
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+python2 main.py -exm -m models/example/ex1
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+```
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