Class Lookahead

java.lang.Object
EDU.purdue.jtb.parser.Expansion_
EDU.purdue.jtb.parser.Lookahead
public class Lookahead extends Expansion_
Describes lookahead rule for a particular expansion or expansion sequence (See Sequence.java). In case this describes the lookahead rule for a single expansion unit, then a sequence is created with this node as the first element, and the expansion unit as the second and last element.

  • Constructor Details

    • Lookahead

      public Lookahead()
      Standard constructor

  • Method Details

    • dump

      public StringBuilder dump(int indent, Set<Object> alreadyDumped)
      Overrides:
      dump in class Expansion_
      Parameters:
      indent - - the number of spaces for indenting
      alreadyDumped - - a Set of objects already dumped (unused)
      Returns:
      the formatted string dumping the class

    • getActionTokens

      public final List<Token> getActionTokens()
      Returns:
      the action_tokens

    • setAmount

      public final void setAmount(int am)
      Parameters:
      am - - the amount to set

    • getAmount

      public final int getAmount()
      Returns:
      the amount

    • setLaExpansion

      public final void setLaExpansion(Expansion_ laexp)
      Parameters:
      laexp - - the la_expansion to set

    • getLaExpansion

      public final Expansion_ getLaExpansion()
      Returns:
      the la_expansion

    • setExplicit

      public final void setExplicit(boolean ise)
      Parameters:
      ise - - the isExplicit to set

    • isExplicit

      public final boolean isExplicit()
      Returns:
      the isExplicit