We introduce QBO, or Query by Outlines,
a tool specially developed to help exploring programs. It
relies on a previously implemented system able to automatically
construct outlines of linear loops identified in programs.
It proposes an outline storage mechanism altogether with a query algorithm
that enables outlines to be efficiently retrieved.
QBO eases exploration of programs, thus program management, clone detection or plan recognition can be envisaged at lower cost: as outlines are already computed and indexed, only high level constructs have to be checked. Therefore, answering queries is a rather fast process.
In this paper, we sketch our outlining model, present our query tool and discuss how query by outlines may help explore programs.
Ce papier est disponible en version Postcript ou sur demande à firstname.lastname@example.org.