diff options
| author | Schuyler Eldridge | 2019-04-19 10:42:40 -0400 |
|---|---|---|
| committer | Schuyler Eldridge | 2019-07-03 19:59:51 -0400 |
| commit | c219be2375fadcdd88851842e7b9029271230398 (patch) | |
| tree | 95ffff0e2206ab568aa1540dec3fb2ff9a270c92 /src | |
| parent | 2585bf986347e264f4c06c38dbcc83aaa554ec4f (diff) | |
Add PreservesAll stackable trait for DependencyAPI
This adds a PreservesAll that can be used to override the default
invalidation scheme (invalidated everything except yourself) such that
nothing is invalidated.
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/main/scala/firrtl/options/Phase.scala | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/scala/firrtl/options/Phase.scala b/src/main/scala/firrtl/options/Phase.scala index e4bb6f0d..e5aa87ec 100644 --- a/src/main/scala/firrtl/options/Phase.scala +++ b/src/main/scala/firrtl/options/Phase.scala @@ -86,6 +86,15 @@ trait DependencyAPI[A <: DependencyAPI[A]] { this: TransformLike[_] => } +/** A trait indicating that no invalidations occur, i.e., all previous transforms are preserved + * @tparam A some [[TransformLike]] + */ +trait PreservesAll[A <: DependencyAPI[A]] { this: DependencyAPI[A] => + + override def invalidates(a: A): Boolean = false + +} + /** A mathematical transformation of an [[AnnotationSeq]]. * * A [[firrtl.options.Phase Phase]] forms one unit in the Chisel/FIRRTL Hardware Compiler Framework (HCF). The HCF is |