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// SPDX-License-Identifier: Apache-2.0
package logger.phases
import firrtl.AnnotationSeq
import firrtl.annotations.Annotation
import firrtl.options.{Dependency, Phase}
import logger.{LogFileAnnotation, LogLevelAnnotation, LoggerException}
import scala.collection.mutable
/** Check that an [[firrtl.AnnotationSeq AnnotationSeq]] has all necessary [[firrtl.annotations.Annotation Annotation]]s
* for a [[Logger]]
*/
object Checks extends Phase {
override def prerequisites = Seq(Dependency[AddDefaults])
override def optionalPrerequisiteOf = Seq.empty
override def invalidates(a: Phase) = false
/** Ensure that an [[firrtl.AnnotationSeq AnnotationSeq]] has necessary [[Logger]] [[firrtl.annotations.Annotation
* Annotation]]s
* @param annotations input annotations
* @return input annotations unmodified
* @throws logger.LoggerException
*/
def transform(annotations: AnnotationSeq): AnnotationSeq = {
val ll, lf = mutable.ListBuffer[Annotation]()
annotations.foreach(_ match {
case a: LogLevelAnnotation => ll += a
case a: LogFileAnnotation => lf += a
case _ =>
})
if (ll.size > 1) {
val l = ll.map { case LogLevelAnnotation(x) => x }
throw new LoggerException(
s"""|At most one log level can be specified, but found '${l.mkString(", ")}' specified via:
| - an option or annotation: -ll, --log-level, LogLevelAnnotation""".stripMargin
)
}
if (lf.size > 1) {
throw new LoggerException(
s"""|At most one log file can be specified, but found ${lf.size} combinations of:
| - an options or annotation: -ltf, --log-to-file, --log-file, LogFileAnnotation""".stripMargin
)
}
annotations
}
}
|
