jadams-tresys commented on a change in pull request #450:
URL: https://github.com/apache/incubator-daffodil/pull/450#discussion_r539430530
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File path:
daffodil-runtime1/src/main/scala/org/apache/daffodil/processors/VariableMap1.scala
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@@ -232,19 +345,33 @@ class VariableMap private(vTable: Map[GlobalQName,
MStackOf[VariableInstance]])
*/
def readVariable(vrd: VariableRuntimeData, referringContext: ThrowsSDE,
maybePstate: Maybe[ParseOrUnparseState]): DataValuePrimitive = {
val varQName = vrd.globalQName
- val stack = vTable.get(varQName)
- if (stack.isDefined) {
- val variable = stack.get.top
- variable.state match {
- case VariableRead if (variable.value.isDefined) =>
variable.value.getNonNullable
- case VariableDefined | VariableSet if (variable.value.isDefined) => {
+ val abuf = vTable.get(varQName)
+ if (abuf.isDefined) {
+ val variable = abuf.get.last
+ (variable.state, variable.value.isDefined,
variable.defaultValueExpr.isDefined) match {
+ case (VariableRead, true, _) => variable.value.getNonNullable
+ case (VariableDefined | VariableSet, true, _) => {
if (maybePstate.isDefined && maybePstate.get.isInstanceOf[PState])
maybePstate.get.asInstanceOf[PState].markVariableRead(vrd)
variable.setState(VariableRead)
variable.value.getNonNullable
}
- case _ => throw new VariableHasNoValue(varQName, vrd)
+ case (VariableDefined, false, true) => {
+ Assert.invariant(maybePstate.isDefined)
+ variable.setState(VariableInProcess)
+ val pstate = maybePstate.get
+ val res =
DataValue.unsafeFromAnyRef(variable.defaultValueExpr.get.evaluate(pstate))
Review comment:
Yes, renamed to just state
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