mbeckerle commented on a change in pull request #214: Sequences and Separators
Refactoring and Rewrite
URL: https://github.com/apache/incubator-daffodil/pull/214#discussion_r285689250
##########
File path:
daffodil-core/src/main/scala/org/apache/daffodil/dsom/LocalElementMixin.scala
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@@ -74,20 +74,42 @@ trait LocalElementMixin
res
}.value
- final override def hasKnownRequiredSyntax: Boolean =
LV('hasKnownRequiredSyntax) {
- !couldBeMissing
- }.value
+ final override def hasKnownRequiredSyntax: Boolean = !couldBeMissing
- final def couldBeMissing: Boolean = LV('couldBeMissing) {
+ final lazy val couldBeMissing: Boolean = LV('couldBeMissing) {
val res =
if (minOccurs == 0) true
else if (isNillable && !hasNilValueRequiredSyntax) true
else if (isDefaultable && emptyValueDelimiterPolicy =:=
EmptyValueDelimiterPolicy.None) true
else if (isDefaultable && !hasInitiator && emptyValueDelimiterPolicy =:=
EmptyValueDelimiterPolicy.Initiator) true
else if (isDefaultable && !hasTerminator && emptyValueDelimiterPolicy
=:= EmptyValueDelimiterPolicy.Terminator) true
- else if (hasInitiator) false
- else if (hasTerminator) false
- else if (isSimpleType) {
+ else if (hasInitiator) {
+ //
+ // TODO: It is possible that this constant expression cannot match
zero length
Review comment:
changed.
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