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Add Chopper convenience method that just selects a set of names to create a single program #897

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Merged
marcoeilers merged 2 commits into from
Nov 18, 2025
Merged

Add Chopper convenience method that just selects a set of names to create a single program #897

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3766de8
Adding a convenience method to easily use the chopper from other lang…
marcoeilers Nov 18, 2025
58974a1
Fixed signature of new convenience method
marcoeilers Nov 18, 2025
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14 changes: 14 additions & 0 deletions src/main/scala/viper/silver/ast/utility/chopper/Chopper.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,20 @@ trait ChopperLike { this: ViperGraphs with Cut =>
chopWithMetrics(choppee)(selection, bound, penalty)._1
}

/**
* chops `choppee` into a single Viper program containing only the selected members. See [[chop]] for more details.
*
* @param choppee Targeted program.
* @param selection Specifies the names of all members that should be verified.
* @return Chopped program, if anything was selected.
*/
def chop(
choppee: ast.Program,
selection: Set[String],
): Option[ast.Program] = {
chopWithMetrics(choppee)(Some(m => selection.contains(m.name)))._1.headOption
}

/**
* chops `choppee` into multiple Viper programs and returns metrics. See [[chop]] for more details.
*
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