6. Project View (entities)

Click on the triangle to open tokens.ads entities. When you click on a file in the project view, you get language sensitive information about the file, such as packages, subprograms, tasks, ... for Ada.

Open the subprogram category, click on Process: this will open tokens.ads and move the cursor on the first line corresponding to the procedure Process.

Similarly, click on Next, and move your mouse on Next in the source editor.