Table of contents

Libra is for supporting debugging and addinf function.
After you decide where source code modify,
inputting the code fragment to Libra enables you to get its code clones.
Using Libra, you can modify source code without any leak.

You will find "detect same clones as an entered fragment" label.
Push its next button.

Then the following screen appears.
If you have a list file that include target files, you push "Load List" button.
If you don't, you have to specify target files, you push "Select File or Directory" button.
After you push these button, file selection dialog box appears.
So, you can select a file or directory.

Like a following screen, if target files are listed, push next button.

Here, you specify some options.

Following options are available.

Memory Resource Limit

This is the maximum memory size that Java VM uses(mandatory).

Language Select

This is the language of the target files(andatory)..

Minimum Clone Length

This is the minimum token length of code clones that Libra detects(mandatory).

This option can be set as the length of inputted code fragment.

Fragment Area

This is the code fragment that Libra detects code clones(mandatory).

After specifying all options, push "Run Libra" button.
Then, after outputing log of detection, following screen appears.

The left side is the Directory Tree.
In the Directory Tree, all target files are displayed.
If a file has some code clones, its name is blue.
The right side is the source code view.
The source code view shows the source code of file which is selected in the Directory Tree.
The highlighted parts are code clones.

4. Link to other manuals