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@@ -9,7 +9,7 @@ All models have the extension \*.mvc, indicating that they are models and should
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There is no constraint that this extension is mandatory.
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First, we show an example on how to create a simple PetriNet model.
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-To take into account action language in the example model, we will also show an example for Finite State Automata.
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+To take into account action language in the example model, we will also show an example for Finite State Automata afterwards.
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Example: Petri Nets
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-------------------
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@@ -43,7 +43,7 @@ The name immediately after the type (e.g., *p1*), is the identifier used through
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All identification of the element at the model-level should happen based on defined attributes.
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The identifiers can also be overwritten internally, in which case the latest definition is used.
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Do note that there is no concept of scope here, so identifiers stay visible throughout the whole file.
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-It is possible to have anonymous identifiers, but only if the identifier is actually never used.
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+It is possible to have anonymous identifiers, but only if the identifier is not used in the remainder of the file (e.g., not the source of an association).
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For example, the two arcs could just as well have been defined as follows ::
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P2T (p1, t1) {
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@@ -58,7 +58,7 @@ Example: Finite State Automata
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------------------------------
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Next we use a simple Finite State Automata example model.
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-This will introduce two new concepts: hierarchy, long strings, and code attributes.
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+This will introduce some new concepts: hierarchy, long strings, and code attributes.
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Hierarchy
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^^^^^^^^^
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@@ -183,6 +183,9 @@ It is possible to define include statements at the top of the model, in which ca
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$
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}
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+As mentioned before, the Action Language does not allow for subfunctions, but it is possible for there to be multiple functions between the dollar tags.
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+In that case, the function with name *main* is executed first, or, if no such function exists, the topmost function is chosen.
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+
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Using the Model Representation
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------------------------------
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@@ -196,5 +199,3 @@ Another function that can be used, is the *model_overwrite* function, which over
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>>> model_overwrite("models/my_pn", "formalisms/PetriNets", open("my_pn.mvc", "r").read())
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-Note that *model_overwrite* can also be used without the textual model parameter, in which case it will clear the specified model.
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-That is, overwrite the model with an empty model.
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