package com.jclark.xsl.expr;

import com.jclark.xsl.om.Node;

abstract class Function2 implements Function {
  abstract ConvertibleExpr makeCallExpr(ConvertibleExpr e1, ConvertibleExpr e2) throws ParseException;

  public ConvertibleExpr makeCallExpr(ConvertibleExpr e[], Node exprNode) throws ParseException {
    if (e.length != 2)
      throw new ParseException("expected two arguments");
    return makeCallExpr(e[0], e[1]);
  }
}