Overrides the getPartition to correctly support the case in which provided
offset is the position after the last character of the document as
ContentAssistant asks.
Determine whether to show this query:
Global context (no selection or heap available)
any context arg - disallow
Local context
context arg doesn't match available context - disallow
no context arg and no heap arg - disallow (no point in operating on a selection)
Policy() -
Constructor for class org.eclipse.mat.ui.internal.browser.Policy
pop() -
Method in class org.eclipse.mat.parser.internal.util.IntStack