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.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/component/ComponentPackage.java
* <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int DIAL_REGION__END_VALUE = MARKER_RANGE__END_VALUE;
	/**
	 * The feature id for the '<em><b>Label</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int DIAL_REGION__LABEL = MARKER_RANGE__LABEL;
	/**
	 * The feature id for the '<em><b>Label Anchor</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int DIAL_REGION__LABEL_ANCHOR = MARKER_RANGE__LABEL_ANCHOR;
	/**
	 * The feature id for the '<em><b>Format Specifier</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	int DIAL_REGION__FORMAT_SPECIFIER = MARKER_RANGE__FORMAT_SPECIFIER;
	/**