All Implemented Interfaces:

gnu.kawa.format.Printable

Direct Known Subclasses:

AnyPat, EqualPat, ListPat, ListRepeatPat, PairPat, SyntaxPattern, VarListPat

public abstract class Pattern
extends java.lang.Object
implements gnu.kawa.format.Printable

• Field Summary

  Fields

  Modifier and Type	Field and Description
  static Method	matchPatternMethod
  static ClassType	typePattern

• Constructor Summary

  Constructors

  Constructor and Description
  Pattern ()

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  java.lang.Object[]	match (java.lang.Object obj) Match this Pattern against an object.
  abstract boolean	match (java.lang.Object obj, java.lang.Object[] vars, int start_vars) Match this Pattern against an Object.
  void	print (Consumer out)
  abstract int	varCount ()

  • Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• Field Detail

  • typePattern

    public static ClassType typePattern

  • matchPatternMethod

    public static final Method matchPatternMethod

• Constructor Detail

  • Pattern

    public Pattern()

• Method Detail

  • match

    public java.lang.Object[] match(java.lang.Object obj)

    Match this Pattern against an object.

    Parameters:

    obj - object to match against this pattern

    Returns:

    null on failure, or an array of bound pattern variables.

  • match

    public abstract boolean match(java.lang.Object obj,
     java.lang.Object[] vars,
     int start_vars)

    Match this Pattern against an Object.

    Parameters:

    obj - the Object to match against

    vars - the "pattern variable" values extracted from obj go here

    start_vars - where in vars to strt putting the varCount() values

    Returns:

    true iff the match succeeded.

  • varCount

    public abstract int varCount()

  • print

    public void print(Consumer out)

    Specified by:

    print in interface gnu.kawa.format.Printable