mbeckerle commented on a change in pull request #259: Incremental progress on
schema compilation space/speed issue.
URL: https://github.com/apache/incubator-daffodil/pull/259#discussion_r301239335
##########
File path:
daffodil-core/src/main/scala/org/apache/daffodil/dsom/ModelGroup.scala
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@@ -57,41 +58,54 @@ object ModelGroupFactory {
lexicalParent.schemaDefinitionError("Model group circular definitions.
Group references, or hidden group references form a loop.")
} else {
val moreNodesAlreadyTrying = nodesAlreadyTrying + child
+ val res = //
memoizedApply(child)(lexicalParent)(position)(isHidden)(nodesAlreadyTrying)
+ nonMemoizedApply(child, lexicalParent, position, isHidden,
nodesAlreadyTrying)
+ res
+ }
+ }
- val childModelGroup: ModelGroup = child match {
- case <sequence>{ _* }</sequence> => {
- val seq = new Sequence(child, lexicalParent, position)
- if (seq.hiddenGroupRefOption.isDefined) {
- //
- // construct the group ref XML, then recursively process that,
- // but set flag so it will be hidden.
- //
- val hgrXML = seq.hiddenGroupRefXML
- ModelGroupFactory(hgrXML, lexicalParent, position, true,
moreNodesAlreadyTrying)
- } else {
- seq
- }
- }
- case <choice>{ _* }</choice> => new Choice(child, lexicalParent,
position)
- case <group>{ _* }</group> => {
- val pos = lexicalParent match {
- case ct: ComplexTypeBase => 1
- case mg: ModelGroup => position
- case gd: GlobalGroupDef => position
- }
- val isH = isHidden || lexicalParent.isHidden
- val groupRefFactory = new GroupRefFactory(child, lexicalParent, pos,
isH)
- val groupRefInstance = groupRefFactory.groupRef
- groupRefInstance.asModelGroup
+ private lazy val memoizedApply =
Review comment:
Unused code. Remove and put back once we start really using it.
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