Package org.antlr.runtime.tree

Interface PositionTrackingStream<T>

All Known Implementing Classes:
CommonTreeNodeStream
public interface PositionTrackingStream<T>

  • Method Summary

    Modifier and Type
    Method
    Description
    T
    getKnownPositionElement(boolean allowApproximateLocation)
    Returns an element containing concrete information about the current position in the stream.
    boolean
    hasPositionInformation(T element)
    Determines if the specified element contains concrete position information.

  • Method Details

    • getKnownPositionElement

      T getKnownPositionElement(boolean allowApproximateLocation)
      Returns an element containing concrete information about the current position in the stream.
      Parameters:
      allowApproximateLocation - if false, this method returns null if an element containing exact information about the current position is not available

    • hasPositionInformation

      boolean hasPositionInformation(T element)
      Determines if the specified element contains concrete position information.
      Parameters:
      element - the element to check
      Returns:
      true if element contains concrete position information, otherwise false