Revert: Generalize keyword collision to name manipulation, Add {Lower,Upper}CaseNames Transforms (#1651)

* Revert "Add test of {Lower, Upper}CaseNames"

This reverts commit 93c078b8469bc55cd2d33147c33e2b5421fda9d9.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>

* Revert "Add --change-name-case <lower|upper> option"

This reverts commit d3ab7e2db66fe3a63778f427dad6c08f64695ba5.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>

* Revert "Add features.{LowerCaseNames, UpperCaseNames} transforms"

This reverts commit c8dcdacf313f19a4d0238be694478a325432edd4.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>

* Revert "Refactor RemoveKeywordCollisions->ManipulateNames"

This reverts commit c534c5abae7b80a725ec9925569b3383b3c24a34.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

1 files changed, 0 insertions, 38 deletions

diff --git a/src/main/scala/firrtl/features/LetterCaseTransform.scala b/src/main/scala/firrtl/features/LetterCaseTransform.scala
deleted file mode 100644
index 09bf6643..00000000
--- a/src/main/scala/firrtl/features/LetterCaseTransform.scala
+++ /dev/null
@@ -1,38 +0,0 @@
-// See LICENSE for license details.
-
-package firrtl.features
-
-import firrtl.{analyses, Namespace, passes, Transform}
-import firrtl.options.Dependency
-import firrtl.stage.Forms
-import firrtl.transforms.ManipulateNames
-
-/** Parent of transforms that do change the letter case of names in a FIRRTL circuit */
-abstract class LetterCaseTransform extends ManipulateNames {
-  override def prerequisites = Seq(Dependency(passes.LowerTypes))
-  override def optionalPrerequisites = Seq.empty
-  override def optionalPrerequisiteOf = Forms.LowEmitters
-  override def invalidates(a: Transform) = a match {
-    case _: analyses.GetNamespace => true
-    case _                        => false
-  }
-
-  protected def newName: String => String
-
-  final def condition = _ => true
-
-  final def manipulate = (a: String, ns: Namespace) => newName(a) match {
-    case `a` => a
-    case b   => ns.newName(b)
-  }
-}
-
-/** Convert all FIRRTL names to lowercase */
-final class LowerCaseNames extends LetterCaseTransform {
-  override protected def newName = (a: String) => a.toLowerCase
-}
-
-/** Convert all FIRRTL names to UPPERCASE */
-final class UpperCaseNames extends LetterCaseTransform {
-  override protected def newName = (a: String) => a.toUpperCase
-}