The SWI-Prolog development environment consists of a number of interrelated but not (yet) integrated tools. Here is a list of the most important features and tips.
- Atom completion
The console34On Windows this is realised by swipl-win.exe, on Unix through the GNU readline library, which is included automatically when found by configure. completes a partial atom on the
TABkey and shows alternatives on the command
- Use edit/1
for finding locations
The command edit/1 takes the name of a file, module, predicate or other entity registered through extensions and starts the user's preferred editor at the right location.
- Select editor
External editors are selected using the
EDITORenvironment variable, by setting the Prolog flag editor, or by defining the hook prolog_edit:edit_source/1.
- Update Prolog after editing
Using make/0, all files you have edited are re-loaded.
Offers syntax highlighting and checking based on real-time parsing of the editor's buffer, layout support and navigation support.
- Using the graphical debugger
The predicates guitracer/0 and noguitracer/0 switch between traditional text-based and window-based debugging. The tracer is activated using the trace/0, spy/1 or menu items from PceEmacs or the Prolog Navigator.
- The Prolog Navigator
Shows the file structure and structure inside the file. It allows for loading files, editing, setting spy points, etc.
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