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.device.swt/src/org/eclipse/birt/chart/device/swt/SwtEventHandler.java
int[] ls = (int[]) context;
							la.setThickness( ls[0] );
							la.getColor( ).setRed( ls[1] );
							la.getColor( ).setGreen( ls[2] );
							la.getColor( ).setBlue( ls[3] );
							la.getColor( ).setTransparency( ls[4] );
							changed = true;
						}
					}
				}
				idx++;
			}
		}
		if ( highlighted && lineContext.size( ) > 0 )
		{
			iun.putContext( se, lineContext );
		}
		return changed;
	}
	private void performHighlight( ColorDefinition cd, boolean highlighted )
	{
		if ( cd != null )
		{
			if ( highlighted )
			{
				cd.setRed( ( cd.getRed( ) + 255 ) / 2 );
				cd.setGreen( ( cd.getGreen( ) + 255 ) / 2 );
				cd.setBlue( ( cd.getBlue( ) + 255 ) / 2 );
			}
			else