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
{
		this.presentationMode = mode;
	}
	/**
	 * get a string formatter object
	 * 
	 * @param value
	 *            string format
	 * @return formatter object
	 */
	public StringFormatter getStringFormatter( String value )
	{
		StringFormatter fmt = (StringFormatter) stringFormatters.get( value );
		if ( fmt == null )
		{
			fmt = new StringFormatter( value, ULocale.forLocale(locale) );
			stringFormatters.put( value, fmt );
		}
		return fmt;
	}
	/**
	 * get a number formatter object
	 * 
	 * @param value
	 *            number format
	 * @return formatter object
	 */
	public NumberFormatter getNumberFormatter( String value )
	{
		NumberFormatter fmt = (NumberFormatter) numberFormatters.get( value );