diff options
Diffstat (limited to 'chiselFrontend/src/main/scala/chisel3/core/Module.scala')
| -rw-r--r-- | chiselFrontend/src/main/scala/chisel3/core/Module.scala | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/chiselFrontend/src/main/scala/chisel3/core/Module.scala b/chiselFrontend/src/main/scala/chisel3/core/Module.scala index de13c078..3ff68772 100644 --- a/chiselFrontend/src/main/scala/chisel3/core/Module.scala +++ b/chiselFrontend/src/main/scala/chisel3/core/Module.scala @@ -31,16 +31,25 @@ object Module { } Builder.readyForModuleConstr = true val parent: Option[Module] = Builder.currentModule + val whenDepth: Int = Builder.whenDepth - val m = bc.setRefs() // This will set currentModule and unset readyForModuleConstr!!! + // Execute the module, this has the following side effects: + // - set currentModule + // - unset readyForModuleConstr + // - reset whenDepth to 0 + val m = bc.setRefs() m._commands.prepend(DefInvalid(childSourceInfo, m.io.ref)) // init module outputs + if (Builder.whenDepth != 0) { + throwException("Internal Error! When depth is != 0, this should not be possible") + } if (Builder.readyForModuleConstr) { throwException("Error: attempted to instantiate a Module, but nothing happened. " + "This is probably due to rewrapping a Module instance with Module()." + sourceInfo.makeMessage(" See " + _)) } Builder.currentModule = parent // Back to parent! + Builder.whenDepth = whenDepth val ports = m.computePorts // Blackbox inherits from Module so we have to match on it first TODO fix @@ -118,6 +127,7 @@ extends HasId { private[chisel3] val _commands = ArrayBuffer[Command]() private[core] val _ids = ArrayBuffer[HasId]() Builder.currentModule = Some(this) + Builder.whenDepth = 0 if (!Builder.readyForModuleConstr) { throwException("Error: attempted to instantiate a Module without wrapping it in Module().") } |