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Diffstat (limited to 'core/src/main/scala/chisel3/Module.scala')
| -rw-r--r-- | core/src/main/scala/chisel3/Module.scala | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/core/src/main/scala/chisel3/Module.scala b/core/src/main/scala/chisel3/Module.scala index 8a914fbc..41fe4554 100644 --- a/core/src/main/scala/chisel3/Module.scala +++ b/core/src/main/scala/chisel3/Module.scala @@ -190,6 +190,8 @@ package internal { private[BaseModule] var _portsRecord: Record = _ // Don't generate a component, but point to the one for the cloned Module private[chisel3] def generateComponent(): Option[Component] = { + require(!_closed, "Can't generate module more than once") + _closed = true _component = _proto._component None } |