Aspect-Oriented Programming for Chisel (#1077)

Added Aspects to Chisel, enabling a mechanism for dependency injection to hardware modules.

1 files changed, 27 insertions, 0 deletions

diff --git a/chiselFrontend/src/main/scala/chisel3/ModuleAspect.scala b/chiselFrontend/src/main/scala/chisel3/ModuleAspect.scala
new file mode 100644
index 00000000..3edf0a22
--- /dev/null
+++ b/chiselFrontend/src/main/scala/chisel3/ModuleAspect.scala
@@ -0,0 +1,27 @@
+// See LICENSE for license details.
+
+package chisel3
+
+import chisel3.internal.Builder
+import chisel3.experimental.RawModule
+
+/** Used by Chisel Aspects to inject Chisel code into modules, after they have been elaborated.
+  * This is an internal API - don't use!
+  *
+  * It adds itself as an aspect to the module, which allows proper checking of connection and binding legality.
+  *
+  * @param module Module for which this object is an aspect of
+  * @param moduleCompileOptions
+  */
+abstract class ModuleAspect private[chisel3] (module: RawModule)
+                                             (implicit moduleCompileOptions: CompileOptions) extends RawModule {
+
+  Builder.addAspect(module, this)
+
+  override def circuitName: String = module.toTarget.circuit
+
+  override def desiredName: String = module.name
+
+  override val _namespace = module._namespace
+}
+