Let’s assume that you need to set up Prolog for OS X. If you are still here let’s continue.
After reading some book from 80s about Prolog I found that language to be interesting and I decided to write some simple things in it. But I had to install it somehow on my Mac preferably without any stupid virtual machines. So here’s what I ended with.
- All crossplatform solutions are based on Eclipse, so first of all you need Eclipse. There are a lot of versions, but I chose the one with less stuff I don’t need because I won’t use anything related to Java development.
- The first plugin I tested was PDT which is too old and doesn’t work with Eclipse 3.5, I downloaded 3.1 but haven’t tested it because I got another plugin which works — ProDT. This is just what I need. From Downloads you should choose the smallest file.
- For ProDT to work you need SWI-Prolog — some kind of opensource Prolog.
- I’m not sure if SWI-Prolog requires MacPorts, but anyway I recommend you to install it. It’s useful.
- Extract ProDT to eclipse/dropins/prodt/eclipse/plugins, run eclipse which installs it automatically.
- After that in ProDT preferences ( Eclipse -> Preferences -> Prolog -> Compilers -> Swi Compiler ) set compiler path which is at
/opt/local/bin/swipl. - Switch to Prolog view Window -> Show Perspective -> Other… -> Prolog.
That’s it. Now you can test if it actually works:
yes( one ).
yes( two ).
Run and write in console:
yes(X).
x = one ;
x = two.
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