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-rw-r--r--chiselFrontend/src/main/scala/chisel3/internal/firrtl/IR.scala4
1 files changed, 3 insertions, 1 deletions
diff --git a/chiselFrontend/src/main/scala/chisel3/internal/firrtl/IR.scala b/chiselFrontend/src/main/scala/chisel3/internal/firrtl/IR.scala
index 05cde071..b499c2b1 100644
--- a/chiselFrontend/src/main/scala/chisel3/internal/firrtl/IR.scala
+++ b/chiselFrontend/src/main/scala/chisel3/internal/firrtl/IR.scala
@@ -260,7 +260,9 @@ case class DefSeqMemory(sourceInfo: SourceInfo, id: HasId, t: Data, size: Int) e
case class DefMemPort[T <: Data](sourceInfo: SourceInfo, id: T, source: Node, dir: MemPortDirection, index: Arg, clock: Arg) extends Definition
case class DefInstance(sourceInfo: SourceInfo, id: BaseModule, ports: Seq[Port]) extends Definition
case class WhenBegin(sourceInfo: SourceInfo, pred: Arg) extends Command
-case class WhenEnd(sourceInfo: SourceInfo) extends Command
+case class WhenEnd(sourceInfo: SourceInfo, firrtlDepth: Int, hasAlt: Boolean = false) extends Command
+case class AltBegin(sourceInfo: SourceInfo) extends Command
+case class OtherwiseEnd(sourceInfo: SourceInfo, firrtlDepth: Int) extends Command
case class Connect(sourceInfo: SourceInfo, loc: Node, exp: Arg) extends Command
case class BulkConnect(sourceInfo: SourceInfo, loc1: Node, loc2: Node) extends Command
case class Attach(sourceInfo: SourceInfo, locs: Seq[Node]) extends Command