Bug 209309 Show javascript errorposition
If a javascript expression has errors, the error message is shown in the last lines in the preview tab. But there is no info where the error occurs. In most cases you had to guess the error location. It would be very helpfull to display the error location.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
params.put( name, new ParameterAttribute( value, null ) );
		}
	}
	/**
	 * @param name
	 * @param value
	 */
	public void setParameter( String name, Object value, String displayText )
	{
		params.put( name, new ParameterAttribute( value, displayText ) );
	}
	public void clearParameters( )
	{
		params.clear( );
	}
	public Object getParameterValue( String name )
	{
		Object parameter = params.get( name );
		if ( parameter != null )
		{
			return ( (ParameterAttribute) parameter ).getValue( );
		}
		return null;		
	}
	public Map getParameterValues( )
	{
		HashMap result = new HashMap( );
		Set entries = params.entrySet( );
		Iterator iterator = entries.iterator( );
		while ( iterator.hasNext( ) )