[GitHub] [daffodil] jadams-tresys commented on a change in pull request #757: Improve diagnostic for no forward progress

[GitBox <gi...@apache.org>]

jadams-tresys commented on a change in pull request #757:
URL: https://github.com/apache/daffodil/pull/757#discussion_r809320203



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File path: daffodil-runtime1/src/main/scala/org/apache/daffodil/processors/parsers/SequenceParserBases.scala
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@@ -62,7 +62,7 @@ abstract class SequenceParserBase(
     ais: ArrayIndexStatus): ArrayIndexStatus = {
     Assert.invariant(currentPos >= priorPos)
     if (currentPos == priorPos && pstate.groupPos > 1) {
-      PE(pstate, "No forward progress.")
+      PE(pstate, "Error parsing array '%s': Array element parsed succesfully, but consumed no data and is stuck in an infinite loop as it is unbounded.".format(srd.groupMembers(srd.position-1)))

Review comment:
       I think you might be right. Fix incoming to use parser.erd




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