Range macro initial impl

1 files changed, 31 insertions, 0 deletions

diff --git a/src/test/scala/chiselTests/RangeMacroTest.scala b/src/test/scala/chiselTests/RangeMacroTest.scala
new file mode 100644
index 00000000..797c75c4
--- /dev/null
+++ b/src/test/scala/chiselTests/RangeMacroTest.scala
@@ -0,0 +1,31 @@
+// See LICENSE for license details.
+
+package chiselTests
+
+import chisel3._
+import scala.language.experimental.macros
+import org.scalatest._
+import org.scalatest.prop._
+import chisel3.testers.BasicTester
+
+package object rangeMacroTest {
+
+implicit class ChiselRange(val sc: StringContext) extends AnyVal {
+  def range(args: Any*): Unit = macro chisel3.internal.RangeTransform.apply
+}
+
+}
+
+import rangeMacroTest._
+
+/** Comprehensive test of static range parsing functionality.
+  * Note: negative (failure) conditions can't be tested because they will fail at compile time,
+  * before the testing environment is entered.
+  */
+@dump
+class RangeMacroTest extends ChiselPropSpec {
+  property("Range macros should work") {
+    def ducks() = {2}
+    range"  (0, ${ducks}]   "
+  }
+}