code: /***************************************************************************
   *   Copyright (C) 2014 by Claudio Guidi <guidiclaudio@gmail.com>          *
   *                                                                         *
   *   This program is free software; you can redistribute it and/or modify  *
   *   it under the terms of the GNU Library General Public License as       *
   *   published by the Free Software Foundation; either version 2 of the    *
   *   License, or (at your option) any later version.                       *
   *                                                                         *
   *   This program is distributed in the hope that it will be useful,       *
   *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
   *   GNU General Public License for more details.                          *
   *                                                                         *
   *   You should have received a copy of the GNU Library General Public     *
   *   License along with this program; if not, write to the                 *
   *   Free Software Foundation, Inc.,                                       *
   *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
   *                                                                         *
   *   For details about the authors of this software, see the AUTHORS file. *
   ***************************************************************************/
  
  package jolie.lang.parse;
  
  import java.util.ArrayList;
  import java.util.List;
  import jolie.lang.Constants;
  import jolie.lang.parse.ast.OLSyntaxNode;
  import jolie.lang.parse.context.ParsingContext;
  import jolie.lang.parse.context.URIParsingContext;
  
  /**
   *
   * @author claudio
   * Sep 2014, Fabrizio Montesi: use ParsingContext instead of custom fields
   */
  public class SemanticException extends Exception
  {
  	private static final long serialVersionUID = Constants.serialVersionUID();
  	
  	private final List< SemanticError > errorList = new ArrayList<>();
  
  	public static class SemanticError
  	{
  		private final ParsingContext context;
  		private final String mesg;
  
  		public SemanticError( ParsingContext context, String mesg )
  		{
  			this.context = context;
  			this.mesg = mesg;
  		}
  
  		public String getMessage()
  		{
  			return new StringBuilder()
  					.append( context.sourceName() )
  					.append( ':' )
  					.append( context.line() )
  					.append( ": error: " )
  					.append( mesg )
  					.toString();
  		}
  
  		public ParsingContext context()
  		{
  			return context;
  		}
  	}
  
  	public SemanticException() {}
  
  	public void addSemanticError( OLSyntaxNode node, String message )
  	{
  		if ( node != null ) {
  			errorList.add( new SemanticError( node.context(), message ) );
  		} else {
  			errorList.add( new SemanticError( URIParsingContext.DEFAULT, message ) );
  		}
  
  	}
  
  	public List< SemanticError > getErrorList()
  	{
  		return errorList;
  	}
  
  	public String getErrorMessages()
  	{
  		StringBuilder message = new StringBuilder();
  		for( SemanticError error : errorList ) {
  			message.append( error.getMessage() ).append( '\n' );
  		}
  		return message.toString();
  	}
  }
  