Update ChiselEnum.scala

And more changes

1 files changed, 36 insertions, 0 deletions

diff --git a/core/src/main/scala/chisel3/internal/Warning.scala b/core/src/main/scala/chisel3/internal/Warning.scala
new file mode 100644
index 00000000..5ac506c9
--- /dev/null
+++ b/core/src/main/scala/chisel3/internal/Warning.scala
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: Apache-2.0
+
+package chisel3.internal
+
+///////////////////////////////////////////////////
+// Never remove IDs and only ever add to the end //
+///////////////////////////////////////////////////
+
+// TODO should deprecations be included here?
+private[chisel3] object WarningID extends Enumeration {
+  type WarningID = Value
+
+  val NoID = Value(0) // Reserved
+  val UnsafeUIntCastToEnum = Value(1)
+  val DynamicBitSelectTooWide = Value(2)
+  val DynamicBitSelectTooNarrow = Value(3)
+  val DynamicIndexTooWide = Value(4)
+  val DynamicIndexTooNarrow = Value(5)
+  val ExtractFromVecSizeZero = Value(6)
+  val BundleLiteralValueTooWide = Value(7)
+  val AsTypeOfReadOnly = Value(8)
+}
+import WarningID.WarningID
+
+// Argument order differs from apply below to avoid type signature collision with apply method below
+private[chisel3] case class Warning(id: WarningID, msg: String)
+private[chisel3] object Warning {
+  def apply(id: WarningID, msg: String): Warning = {
+    val num = f"[W${id.id}%03d] "
+    new Warning(info, id, num + msg)
+  }
+  def noInfo(id: WarningID, msg: String): Warning = {
+    implicit val info = SourceInfo.materializeFromStacktrace
+    Warning(id, msg)
+  }
+}