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
*/
	private boolean factoryMode = true;
	
	/**
	 * The scripting context, used to evaluate the script.
	 */
	private ScriptContext scriptContext;
	/**
	 * data engine, used to evaluate the data related expressions.
	 */
	private IDataEngine dataEngine;
	/**
	 * utility used to create the report content
	 */
	private ReportExecutor executor;
	/**
	 * utility used to create the TOC
	 */
	private TOCBuilder tocBuilder;
	
	/**
	 * report runnable used to create the report content
	 */
	private IReportRunnable runnable;
	/**
	 * the report design contained in the report runnable
	 */
	private Report report;
	/**
	 * Global configuration variables