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// SPDX-License-Identifier: Apache-2.0
package firrtl.analyses
import firrtl.annotations.NoTargetAnnotation
import firrtl.{CircuitState, DependencyAPIMigration, Namespace, Transform}
import firrtl.{seqToAnnoSeq, annoSeqToSeq}
import firrtl.stage.Forms
case class ModuleNamespaceAnnotation(namespace: Namespace) extends NoTargetAnnotation
/** Create a namespace with this circuit
*
* namespace is used by RenameModules to get unique names
*/
class GetNamespace extends Transform with DependencyAPIMigration {
override def prerequisites = Forms.LowForm
override def optionalPrerequisites = Seq.empty
override def optionalPrerequisiteOf = Forms.LowEmitters
override def invalidates(a: Transform) = false
def execute(state: CircuitState): CircuitState = {
val namespace = Namespace(state.circuit)
state.copy(annotations = new ModuleNamespaceAnnotation(namespace) +: state.annotations)
}
}
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