Coverage Summary for Class: ContextDrop (it.unibo.tuprolog.argumentation.core.primitives.context)
| Class |
Class, %
|
Method, %
|
Branch, %
|
Line, %
|
Instruction, %
|
| ContextDrop |
100%
(1/1)
|
100%
(2/2)
|
50%
(1/2)
|
100%
(4/4)
|
82.9%
(34/41)
|
package it.unibo.tuprolog.argumentation.core.primitives.context
import it.unibo.tuprolog.argumentation.core.primitives.PrimitiveWithSignature
import it.unibo.tuprolog.argumentation.core.runtime.context.ContextBranches
import it.unibo.tuprolog.argumentation.core.runtime.context.branchArgument
import it.unibo.tuprolog.solve.ExecutionContext
import it.unibo.tuprolog.solve.Signature
import it.unibo.tuprolog.solve.primitive.Solve
/** context_drop(+Branch): frees a branch no longer needed, fails on the active one */
internal class ContextDrop(
private val branches: ContextBranches,
) : PrimitiveWithSignature {
override val signature = Signature("context_drop", 1)
override fun solve(request: Solve.Request<ExecutionContext>): Sequence<Solve.Response> =
sequenceOf(if (branches.drop(request.branchArgument(0))) request.replyWith(true) else request.replyFail())
}