LMNtal Java allows inline code in Java.
Note: SLIM (LMNtal in C) will provide foreign-language interface in a different form.
inline_define atom [:/*inline_define*/ inline_define_code_in_Java :] inline atom [:/*inline*/ inline_code_in_Java :](X1,...,Xn)
The execution of inline code takes place immediately after the rewriting task of the rule that creates the inline atom is finished.
Defined variables:
me .... the inline atom itself mem ... me.getMem()
[:/*inline_define*/class Foo { static int counter = 0; } :].
[:/*inline*/System.out.println(me.nthAtom(0).getName()); me.remove(); me.nthAtom(0).remove();:]("LMNtal\n") % ==> prints LMNtal
hello(X) :- [:/*inline*/ Atom a = mem.newAtom(new Functor("ok",1)); me.remove(); mem.relink(a,0,me,0);:](X). hello(there). % ==> ok(there)