How to use org.matheclipse.parser.client.ast

/**
 * {@inheritDoc} Depends on.
 */
@Override
public boolean dependsOn( String variableName ) {
  for ( int i = 1; i < size(); i++ ) {
    if ( get( i ).dependsOn( variableName ) ) {
      return true;
    }
  }
  return false;
}

/**
 * {@inheritDoc} Creates a new ASTNode object.
 */
@Override
public FunctionNode createFunction( final SymbolNode head ) {
  return new FunctionNode( head );
}

/**
 * {@inheritDoc} Equals.
 */
@Override
public boolean equals( Object obj ) {
  if ( obj instanceof FractionNode ) {
    return fNumerator.equals( ((FractionNode) obj).fNumerator ) && fDenominator.equals( ((FractionNode) obj).fDenominator ) && sign == ((FractionNode) obj).sign;
  }
  return false;
}

  @Override
  public ASTNode createFunction(final INodeParserFactory factory, final ASTNode lhs, final ASTNode rhs) {
    if (rhs instanceof FunctionNode) {
      FunctionNode r = (FunctionNode) rhs;
      if (r.size() == 3) {
        if (r.get(0).equals(factory.createSymbol("Set"))) {
          return factory.createFunction(factory.createSymbol("TagSet"), lhs, r.get(1), r.get(2));
        } else if (r.get(0).equals(factory.createSymbol("SetDelayed"))) {
          return factory.createFunction(factory.createSymbol("TagSetDelayed"), lhs, r.get(1), r.get(2));
        }
      }
    }
    return factory.createFunction(factory.createSymbol("TagSet"), lhs, rhs);
  }
}

  public ASTNode createFunction(final IParserFactory factory,
      final ASTNode lhs, final ASTNode rhs) {
    if (rhs instanceof IntegerNode) {
      if (lhs instanceof IntegerNode) {
        return new FractionNode((IntegerNode) lhs, (IntegerNode) rhs);
      }
      return factory.createFunction(factory.createSymbol("Times"), lhs,
          new FractionNode(IntegerNode.C1, (IntegerNode) rhs));
    }
    return factory.createFunction(factory.createSymbol("Times"), lhs,
        factory.createFunction(factory.createSymbol("Power"), rhs,
            factory.createInteger(-1)));
  }
}

public int hashCode() {
  if (fSymbol != null) {
    return fSymbol.hashCode();
  }
  return 11;
}

/**
 * {@inheritDoc} Creates a new ASTNode object.
 */
@Override
public FractionNode createFraction( final IntegerNode numerator, final IntegerNode denominator ) {
  return new FractionNode( numerator, denominator );
}

/**
 * {@inheritDoc} Creates a new ASTNode object.
 */
@Override
public SymbolNode createSymbol( final String symbolName ) {
  return new SymbolNode( symbolName );
}

/**
 * {@inheritDoc} Creates a new ASTNode object.
 */
@Override
public ASTNode createDouble( final String doubleString ) {
  return new FloatNode( doubleString );
}

  public int hashCode() {
    if (sign) {
      return fNumerator.hashCode() + fDenominator.hashCode() * 17;
    }
    return fNumerator.hashCode() + fDenominator.hashCode();
  }
}

/**
 * {@inheritDoc} Creates a new ASTNode object.
 */
@Override
public IntegerNode createInteger( final String integerString, final int numberFormat ) {
  return new IntegerNode( integerString, numberFormat );
}

  @Override
  public int hashCode() {
    return super.hashCode()*43;
  }
}

public boolean dependsOn(String variableName) {
  for (int i = 1; i < size(); i++) {
    if (get(i).dependsOn(variableName)) {
      return true;
    }
  }
  return false;
}

/**
 * Creates a new list with no arguments from the given header object .
 */
public FunctionNode createAST(final ASTNode headExpr) {
  return new FunctionNode(headExpr);
}

/**
 * Hash code.
 * 
 * @return the int
 */
@Override
public int hashCode() {
  if ( fSymbol != null ) {
    fSymbol.hashCode();
  }
  return 0;
}

public boolean equals(Object obj) {
  if (this == obj) {
    return true;
  }
  if (obj instanceof FractionNode) {
    return fNumerator.equals(((FractionNode) obj).fNumerator) && fDenominator.equals(((FractionNode) obj).fDenominator)
        && sign == ((FractionNode) obj).sign;
  }
  return false;
}

@Override
public boolean dependsOn(String variableName) {
  for (int i = 1; i < size(); i++) {
    if (get(i).dependsOn(variableName)) {
      return true;
    }
  }
  return false;
}

/**
 * {@inheritDoc} Creates a new list with no arguments from the given header
 * object .
 */
@Override
public FunctionNode createAST( final ASTNode headExpr ) {
  return new FunctionNode( headExpr );
}

  public int hashCode() {
    if (fSymbol != null) {
      return fSymbol.hashCode() * 41;
    }
    return 19;
  }
}

@Override
public FunctionNode createFunction(final SymbolNode head, final ASTNode arg1, final ASTNode arg2,
    final ASTNode arg3) {
  return new FunctionNode(head, arg1, arg2, arg3);
}