diff options
Diffstat (limited to 'chiselFrontend/src/main/scala/chisel3/core/Data.scala')
| -rw-r--r-- | chiselFrontend/src/main/scala/chisel3/core/Data.scala | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/chiselFrontend/src/main/scala/chisel3/core/Data.scala b/chiselFrontend/src/main/scala/chisel3/core/Data.scala index d31e50ff..8826af51 100644 --- a/chiselFrontend/src/main/scala/chisel3/core/Data.scala +++ b/chiselFrontend/src/main/scala/chisel3/core/Data.scala @@ -56,6 +56,7 @@ abstract class Data(dirArg: Direction) extends HasId { private[chisel3] def ref: Arg = if (isLit) litArg.get else lref private[core] def cloneTypeWidth(width: Width): this.type private[chisel3] def toType: String + private[core] def width: Width def := (that: Data)(implicit sourceInfo: SourceInfo): Unit = this badConnect that @@ -66,8 +67,13 @@ abstract class Data(dirArg: Direction) extends HasId { def litValue(): BigInt = litArg.get.num def isLit(): Boolean = litArg.isDefined - def width: Width + /** Returns the width, in bits, if currently known. + * @throws java.util.NoSuchElementException if the width is not known. */ final def getWidth: Int = width.get + /** Returns whether the width is currently known. */ + final def isWidthKnown: Boolean = width.known + /** Returns Some(width) if the width is known, else None. */ + final def widthOption: Option[Int] = if (isWidthKnown) Some(getWidth) else None // While this being in the Data API doesn't really make sense (should be in // Aggregate, right?) this is because of an implementation limitation: |