1 files changed, 30 insertions, 0 deletions
diff --git a/src/main/scala/firrtl/Implicits.scala b/src/main/scala/firrtl/Implicits.scala
new file mode 100644
index 00000000..ec1cf3d6
--- /dev/null
+++ b/src/main/scala/firrtl/Implicits.scala
@@ -0,0 +1,30 @@
+// See LICENSE for license details.
+
+package firrtl
+
+import firrtl.ir._
+import Utils.trim
+import firrtl.constraint.Constraint
+
+object Implicits {
+  implicit def int2WInt(i: Int): WrappedInt = WrappedInt(BigInt(i))
+  implicit def bigint2WInt(i: BigInt): WrappedInt = WrappedInt(i)
+  implicit def constraint2bound(c: Constraint): Bound = c match {
+    case x: Bound => x
+    case x => CalcBound(x)
+  }
+  implicit def constraint2width(c: Constraint): Width = c match {
+    case Closed(x) if trim(x).isWhole => IntWidth(x.toBigInt)
+    case x => CalcWidth(x)
+  }
+  implicit def width2constraint(w: Width): Constraint = w match {
+    case CalcWidth(x: Constraint) => x
+    case IntWidth(x) => Closed(BigDecimal(x))
+    case UnknownWidth => UnknownBound
+    case v: Constraint => v
+  }
+}
+case class WrappedInt(value: BigInt) {
+  def U: Expression = UIntLiteral(value, IntWidth(Utils.getUIntWidth(value)))
+  def S: Expression = SIntLiteral(value, IntWidth(Utils.getSIntWidth(value)))
+}