Bug 140620 Chart scripting errors are ignored
Write a chart with an invalid script, the execution simply ignores the script. This makes it difficult to debug scripting. The error message is also not precise and needs improvements.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
{
			return null;
		}
		return (IContent) reportContents.peek( );
	}
	/**
	 * @param obj
	 */
	public void pushHandle( DesignElementHandle obj )
	{
		reportHandles.push( obj );
	}
	/**
	 * @return
	 */
	public DesignElementHandle popHandle( )
	{
		return (DesignElementHandle) reportHandles.pop( );
	}
	/**
	 * @return
	 */
	public DesignElementHandle getHandle( )
	{
		if ( reportHandles.empty( ) )
		{
			return null;
		}
		return (DesignElementHandle) reportHandles.peek( );
	}