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Diffstat (limited to 'src')
| -rw-r--r-- | src/main/scala/firrtl/Compiler.scala | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/main/scala/firrtl/Compiler.scala b/src/main/scala/firrtl/Compiler.scala index 80ba42c4..87662800 100644 --- a/src/main/scala/firrtl/Compiler.scala +++ b/src/main/scala/firrtl/Compiler.scala @@ -373,6 +373,10 @@ trait Compiler extends LazyLogging { */ def transforms: Seq[Transform] + require(transforms.size >= 1, + s"Compiler transforms for '${this.getClass.getName}' must have at least ONE Transform! " + + "Use IdentityTransform if you need an identity/no-op transform.") + // Similar to (input|output)Form on [[Transform]] but derived from this Compiler's transforms def inputForm: CircuitForm = transforms.head.inputForm def outputForm: CircuitForm = transforms.last.outputForm |