Instance Annotations (#926)

Formerly #865 

Major Code Changes/Features Added:

Added Target trait as replacement for Named
Added TargetToken as token in building Target
Added GenericTarget as a catch-all Target
Added CircuitTarget, ModuleTarget, ReferenceTarget, and InstanceTarget
Added ResolvePaths annotation
Added EliminateTargetPaths (and helper class DuplicationHelper)
Updated Dedup to work with instance annotations
Updated RenameMap to work with instance annotations
DCE & ConstantProp extend ResolveAnnotationPaths

1 files changed, 0 insertions, 30 deletions

diff --git a/src/main/scala/firrtl/annotations/Named.scala b/src/main/scala/firrtl/annotations/Named.scala
deleted file mode 100644
index 3da75884..00000000
--- a/src/main/scala/firrtl/annotations/Named.scala
+++ /dev/null
@@ -1,30 +0,0 @@
-// See LICENSE for license details.
-
-package firrtl
-package annotations
-
-import firrtl.ir.Expression
-import AnnotationUtils.{validModuleName, validComponentName, toExp}
-
-/**
- * Named classes associate an annotation with a component in a Firrtl circuit
- */
-sealed trait Named {
-  def serialize: String
-}
-
-final case class CircuitName(name: String) extends Named {
-  if(!validModuleName(name)) throw AnnotationException(s"Illegal circuit name: $name")
-  def serialize: String = name
-}
-
-final case class ModuleName(name: String, circuit: CircuitName) extends Named {
-  if(!validModuleName(name)) throw AnnotationException(s"Illegal module name: $name")
-  def serialize: String = circuit.serialize + "." + name
-}
-
-final case class ComponentName(name: String, module: ModuleName) extends Named {
-  if(!validComponentName(name)) throw AnnotationException(s"Illegal component name: $name")
-  def expr: Expression = toExp(name)
-  def serialize: String = module.serialize + "." + name
-}