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Add an extractor and name for SetSort #27

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Add an extractor and name for SetSort #27

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17 changes: 17 additions & 0 deletions src/main/scala/ap/theories/arrays/SetTheory.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,21 @@ object SetTheory {
instances.getOrElseUpdate(elSort, new SetTheory(elSort))
}

/**
* Extractor for set sorts of any base type.
*/
object Sort {
def unapply(s : Sort) : Option[Sort] = s match {
case ps : Theory.TheorySort =>
ps.theory match {
case ss : SetTheory => Some(ss.elementSort)
case _ => None
}
case _ =>
None
}
}

}

/**
Expand All @@ -95,6 +110,8 @@ class SetTheory(val elementSort : Sort)
import IExpression._
val theory = SetTheory.this

override val name: String = s"Set[${elementSort.name}]"

// TODO: implement further methods. In particular, we have to translate
// back array terms to set terms, similar to how it is done in
// ArraySeqTheory
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