code: /**
   * Copyright (c) 2004-2005, Regents of the University of California
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   *
   * Redistributions in binary form must reproduce the above copyright
   * notice, this list of conditions and the following disclaimer in the
   * documentation and/or other materials provided with the distribution.
   *
   * Neither the name of the University of California, Los Angeles nor the
   * names of its contributors may be used to endorse or promote products
   * derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  package cck.parser;
  
  import cck.text.StringUtil;
  
  /**
   * The <code>ErrorReporter</code> class is used to generate errors related to source files
   * and contains a number of utility methods that allow error messages to be reported with
   * fewer lines of code.
   *
   * @author Ben L. Titzer
   */
  public class ErrorReporter {
      public void error(String type, SourcePoint p, String report) {
          throw new SourceError(type, p, report, StringUtil.EMPTY_STRING_ARRAY);
      }
  
      public void error(String type, SourcePoint p, String report, String p1) {
          String[] ps = {p1};
          throw new SourceError(type, p, report, ps);
      }
  
      public void error(String type, SourcePoint p, String report, String p1, String p2) {
          String[] ps = {p1, p2};
          throw new SourceError(type, p, report, ps);
      }
  
      public void error(String type, SourcePoint p, String report, String p1, String p2, String p3) {
          String[] ps = {p1, p2, p3};
          throw new SourceError(type, p, report, ps);
      }
  
      public void redefined(String type, String thing, AbstractToken prevdecl, AbstractToken newdecl) {
          type = "Redefined" + type;
          String report = thing + ' ' + StringUtil.quote(prevdecl.image) + " previously defined at " + pos(prevdecl);
          error(type, newdecl.getSourcePoint(), report, prevdecl.image);
      }
  
      public void unresolved(String type, String thing, AbstractToken where) {
          type = "Unresolved" + type;
          String report = "Unresolved " + thing + ' ' + StringUtil.quote(where.image);
          error(type, where.getSourcePoint(), report, where.image);
      }
  
      protected String pos(AbstractToken t) {
          return t.beginLine + ":" + t.beginColumn;
      }
  }
  