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-rw-r--r--src/main/scala/firrtl/AddDescriptionNodes.scala10
1 files changed, 4 insertions, 6 deletions
diff --git a/src/main/scala/firrtl/AddDescriptionNodes.scala b/src/main/scala/firrtl/AddDescriptionNodes.scala
index 213bfad6..bd3412a4 100644
--- a/src/main/scala/firrtl/AddDescriptionNodes.scala
+++ b/src/main/scala/firrtl/AddDescriptionNodes.scala
@@ -68,11 +68,9 @@ private case class DescribedMod(description: Description,
* @note should only be used by VerilogEmitter, described nodes will
* break other transforms.
*/
-class AddDescriptionNodes extends Transform with PreservesAll[Transform] {
- def inputForm = UnknownForm
- def outputForm = UnknownForm
+class AddDescriptionNodes extends Transform with DependencyAPIMigration with PreservesAll[Transform] {
- override val prerequisites = firrtl.stage.Forms.LowFormMinimumOptimized ++
+ override def prerequisites = firrtl.stage.Forms.LowFormMinimumOptimized ++
Seq( Dependency[firrtl.transforms.BlackBoxSourceHelper],
Dependency[firrtl.transforms.FixAddingNegativeLiterals],
Dependency[firrtl.transforms.ReplaceTruncatingArithmetic],
@@ -85,9 +83,9 @@ class AddDescriptionNodes extends Transform with PreservesAll[Transform] {
Dependency[firrtl.transforms.VerilogRename],
Dependency(firrtl.passes.VerilogPrep) )
- override val optionalPrerequisites = firrtl.stage.Forms.LowFormOptimized
+ override def optionalPrerequisites = firrtl.stage.Forms.LowFormOptimized
- override val dependents = Seq.empty
+ override def dependents = Seq.empty
def onStmt(compMap: Map[String, Seq[String]])(stmt: Statement): Statement = {
stmt.map(onStmt(compMap)) match {