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// See LICENSE for license details.
package chisel3.core
import chisel3.internal.InstanceId
import firrtl.Transform
import firrtl.annotations.{Annotation, CircuitName, ComponentName, ModuleName}
/**
* This is a stand-in for the firrtl.Annotations.Annotation because at the time this annotation
* is created the component cannot be resolved, into a targetString. Resolution can only
* happen after the circuit is elaborated
* @param component A chisel thingy to be annotated, could be module, wire, reg, etc.
* @param transformClass A fully-qualified class name of the transformation pass
* @param value A string value to be used by the transformation pass
*/
case class ChiselAnnotation(component: InstanceId, transformClass: Class[_ <: Transform], value: String) {
def toFirrtl: Annotation = {
val circuitName = CircuitName(component.pathName.split("""\.""").head)
component match {
case m: BaseModule =>
Annotation(
ModuleName(m.name, circuitName), transformClass, value)
case _ =>
Annotation(
ComponentName(
component.instanceName, ModuleName(component.parentModName, circuitName)), transformClass, value)
}
}
}
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