File: Function3.java

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package com.jclark.xsl.expr;

import com.jclark.xsl.om.Node;

abstract class Function3 implements Function {
  abstract ConvertibleExpr makeCallExpr(ConvertibleExpr e1, ConvertibleExpr e2, ConvertibleExpr e3) throws ParseException;

  public ConvertibleExpr makeCallExpr(ConvertibleExpr e[], Node exprNode) throws ParseException {
    if (e.length != 3)
      throw new ParseException("expected three arguments");
    return makeCallExpr(e[0], e[1], e[2]);
  }
}