/** {@inheritDoc} */
@Override
public List<? extends Browsable> getSubnodes() {
if (args.size() == 0) {
Expr b = fun.getBody();
return Util.asList(make(b.pos(), b.span(), b.getHTML(), b.getSubnodes()));
}
Pos p = pos;
if (p == Pos.UNKNOWN) p = span();
Browsable f =
make(p, p, (fun.isPred ? "<b>pred</b> " : "<b>fun</b> ") + fun.label, fun.getSubnodes());
Browsable a =
make(
span(),
span(),
"<b>" + args.size() + " argument" + (args.size() == 1 ? "</b>" : "s</b>"),
args);
return Util.asList(f, a);
}
public static void main(String[] args) throws Err {
// Chooses the Alloy4 options
A4Options opt = new A4Options();
opt.solver = A4Options.SatSolver.SAT4J;
// abstract sig A {}
PrimSig A = new PrimSig("A", Attr.ABSTRACT);
// sig B {}
PrimSig B = new PrimSig("B");
// one sig A1 extends A {}
PrimSig A1 = new PrimSig("A1", A, Attr.ONE);
// one sig A2 extends A {}
PrimSig A2 = new PrimSig("A2", A, Attr.ONE);
// A { f: B lone->lone B }
Expr f = A.addField("f", B.lone_arrow_lone(B));
// Since (B lone->lone B) is not unary, the default is "setOf", meaning "f:set (B lone->lone
// B)"
// A { g: B }
Expr g = A.addField("g", B);
// The line above is the same as: A.addField(null, "g", B.oneOf()) since B is unary.
// If you want "setOf", you need: A.addField(null, "g", B.setOf())
// pred someG { some g }
Func someG = new Func(null, "SomeG", null, null, g.some());
// pred atMostThree[x:univ, y:univ] { #(x+y) >= 3 }
Decl x = UNIV.oneOf("x");
Decl y = UNIV.oneOf("y");
Expr body = x.get().plus(y.get()).cardinality().lte(ExprConstant.makeNUMBER(3));
Func atMost3 = new Func(null, "atMost3", Util.asList(x, y), null, body);
List<Sig> sigs = Arrays.asList(new Sig[] {A, B, A1, A2});
// run { some A && atMostThree[B,B] } for 3 but 3 int, 3 seq
Expr expr1 = A.some().and(atMost3.call(B, B));
Command cmd1 = new Command(false, 3, 3, 3, expr1);
A4Solution sol1 = TranslateAlloyToKodkod.execute_command(NOP, sigs, cmd1, opt);
System.out.println("[Solution1]:");
System.out.println(sol1.toString());
// run { some f && SomeG[] } for 3 but 2 int, 1 seq, 5 A, exactly 6 B
Expr expr2 = f.some().and(someG.call());
Command cmd2 = new Command(false, 3, 2, 1, expr2);
cmd2 = cmd2.change(A, false, 5);
cmd2 = cmd2.change(B, true, 6);
A4Solution sol2 = TranslateAlloyToKodkod.execute_command(NOP, sigs, cmd2, opt);
System.out.println("[Solution2]:");
System.out.println(sol2.toString());
}