Add ChiselOptionsView

Co-Authored-By: Schuyler Eldridge <schuyler.eldridge@ibm.com>
Co-Authored-By: chick <chick@qrhino.com>
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/main/scala/chisel3/stage/package.scala b/src/main/scala/chisel3/stage/package.scala
new file mode 100644
index 00000000..851dd400
--- /dev/null
+++ b/src/main/scala/chisel3/stage/package.scala
@@ -0,0 +1,25 @@
+// See LICENSE for license details.
+
+package chisel3
+
+import firrtl._
+import firrtl.options.OptionsView
+
+package object stage {
+
+  implicit object ChiselOptionsView extends OptionsView[ChiselOptions] {
+
+    def view(options: AnnotationSeq): ChiselOptions = options
+      .collect { case a: ChiselOption => a }
+      .foldLeft(new ChiselOptions()){ (c, x) =>
+        x match {
+          case _: NoRunFirrtlCompilerAnnotation.type => c.copy(runFirrtlCompiler = false)
+          case _: PrintFullStackTraceAnnotation.type => c.copy(printFullStackTrace = true)
+          case ChiselOutputFileAnnotation(f)         => c.copy(outputFile = Some(f))
+          case ChiselCircuitAnnotation(a)            => c.copy(chiselCircuit = Some(a))
+        }
+      }
+
+  }
+
+}