Deprecate things, split more things

1 files changed, 29 insertions, 4 deletions

diff --git a/chiselFrontend/src/main/scala/chisel3/core/package.scala b/chiselFrontend/src/main/scala/chisel3/core/package.scala
index 46dfbe20..554e6238 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/package.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/package.scala
@@ -1,4 +1,6 @@
 package chisel3 {
+  import internal.Builder
+
   package object core {
     import internal.firrtl.Width
 
@@ -21,8 +23,8 @@ package chisel3 {
 
       def asUInt(): UInt = UInt.Lit(x, Width())
       def asSInt(): SInt = SInt(x, Width())
-      def asUInt(width: Int): UInt = UInt.Lit(x, width)
-      def asSInt(width: Int): SInt = SInt(x, width)
+      def asUInt(width: Int): UInt = UInt.Lit(x, Width(width))
+      def asSInt(width: Int): SInt = SInt(x, Width(width))
     }
 
     implicit class fromBigIntToLiteral(val x: BigInt) {
@@ -31,12 +33,35 @@ package chisel3 {
 
       def asUInt(): UInt = UInt.Lit(x, Width())
       def asSInt(): SInt = SInt(x, Width())
-      def asUInt(width: Int): UInt = UInt.Lit(x, width)
+      def asUInt(width: Int): UInt = UInt.Lit(x, Width(width))
       def asSInt(width: Int): SInt = SInt(x, width)
     }
 
     implicit class fromStringToLiteral(val x: String) {
-      def U: UInt = UInt.Lit(x)       // scalastyle:ignore method.name
+      def U: UInt = UInt.Lit(fromStringToLiteral.parse(x), fromStringToLiteral.parsedWidth(x))       // scalastyle:ignore method.name
+    }
+
+    object fromStringToLiteral {
+      def parse(n: String) = {
+        val (base, num) = n.splitAt(1)
+        val radix = base match {
+          case "x" | "h" => 16
+          case "d" => 10
+          case "o" => 8
+          case "b" => 2
+          case _ => Builder.error(s"Invalid base $base"); 2
+        }
+        BigInt(num.filterNot(_ == '_'), radix)
+      }
+
+      def parsedWidth(n: String) =
+        if (n(0) == 'b') {
+          Width(n.length-1)
+        } else if (n(0) == 'h') {
+          Width((n.length-1) * 4)
+        } else {
+          Width()
+        }
     }
 
     implicit class fromBooleanToLiteral(val x: Boolean) {