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Posted to dev@daffodil.apache.org by GitBox <gi...@apache.org> on 2019/06/03 17:16:35 UTC

[GitHub] [incubator-daffodil] stevedlawrence commented on a change in pull request #225: Implement daf:lookAhead

stevedlawrence commented on a change in pull request #225: Implement daf:lookAhead
URL: https://github.com/apache/incubator-daffodil/pull/225#discussion_r289948980
 
 

 ##########
 File path: daffodil-core/src/main/scala/org/apache/daffodil/dpath/Expression.scala
 ##########
 @@ -1579,13 +1585,19 @@ case class FunctionCallExpression(functionQNameString: String, expressions: List
       case (RefQName(_, "logicalTypeValueInt", DFDL), args) =>
         FNZeroArgExpr(functionQNameString, functionQName,
           NodeInfo.Integer, NodeInfo.AnyAtomic, DFDLXLogicalTypeValueInt(_, _))
-          
+
       case (RefQName(_, "logicalTypeValueString", DFDL), args) =>
         FNZeroArgExpr(functionQNameString, functionQName,
           NodeInfo.String, NodeInfo.AnyAtomic, DFDLXLogicalTypeValueString(_, _))
 
       //End typeValueCalc related functions
 
+      case (RefQName(_, "lookAhead", DAF_APACHE), args) =>
+        FNTwoArgsExpr(functionQNameString, functionQName, args,
+          NodeInfo.NonNegativeInteger, NodeInfo.UnsignedInt, NodeInfo.UnsignedInt, DFDLXLookAhead(_))
 
 Review comment:
   I don't see DFDLXLookAhead defined anywhere. Did you forget to add a file?

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