Circular collection attribute error: unbound variable CircularComputeRHS

[Niklas Fors]

The StateMachine example does not work with the newest release of JastAdd2. JastAdd2 throws an exception for a circular collection attribute (altReachable), see below.

StateMachine$ ant
  ...
  [jastadd] generating node types and weaving aspects
  [jastadd] org.jastadd.tinytemplate.TemplateExpansionWarning: Template expansion warning: unbound variable CircularComputeRHS
  ...
StateMachine$ java -jar tools/jastadd2.jar --version
JastAdd2 2.1.6

[Jesper Öqvist]

It seems like we have no tests for circular collection attributes in jastadd-test.

[Jesper Öqvist]

Added test circular/coll01 to jastadd-test which reproduces this bug.

[Jesper Öqvist]

Fixed circular collection codegen error

fixes issue #180 (bitbucket)

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