example.mlm

// You may run this MLM with: $ arden2bytecode -r example.mlm

maintenance:
    title: Example MLM;;
    mlmname: example;;
    arden: version 2.5;;
    version: 2.0;;
    institution: Peter L. Reichertz Institut;;
    author: Hannes Flicka;;
    specialist: Hannes Flicka; Mike Klimek;;
    date: 2016-12-07;;
    validation: testing;;

library:
    purpose: Demonstration of the Arden Syntax Editor;;
    explanation: n.a.;;
    keywords: example, arden syntax editor, arden2bytecode;;
    links: http://arden2bytecode.sf.net/ ;;

knowledge:
    type: data_driven;;

    data:
        // set the variables used in this program:
        LET variable BE 4; // <- here you can insert other values to try out
    ;;

    evoke: /* MLM is called directly */ ;;

    logic:
        // double variable.
        // could also use: variable := variable * 2;
        LET variable BE variable * 2;
                
        IF variable > 6 THEN
            CONCLUDE TRUE;  // execute action slot
        ELSE
            CONCLUDE FALSE; // do not run action slot
        ENDIF
    ;;
 
    action: WRITE "variable is: " || variable || "." ;;
end: