Package net.fortytwo.ripple.model

Examples of net.fortytwo.ripple.model.StackMapping.arity()

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                    Closure c = new Closure(right.getFirst().getMapping(), first);
                    right = right.getRest();
                    left = left.getRest().push(new Operator(c));
                }
            } else {
                if (0 == f.arity()) {
                    Collector<RippleList> results = new Collector<RippleList>();
                    // Note: synchronous evaluation is required
                    // Note: stack context is trivial
                    f.apply(left.getRest(), results, mc);
                    for (RippleList s : results) {
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                //System.out.println("   f = " + f);
                //System.out.println("   f.arity() = " + f.arity());

                // Nullary functions don't need their argument stacks reduced.
                // They shouldn't even care if the stack is empty.
                if (f.arity() == 0) {
                    f.apply(rest, this, mc);
                }

                // Functions with positive arity do require the stack to be
                // reduced, to one level per argument.
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                    ops = ops.getRest();
                }
            } else {
                StackMapping f = first.getMapping();

                if (0 == f.arity()) {
                    try {
                        if (ops.isNil()) {
                            f.apply(stack.getRest(), outputSink, mc);
                        } else {
                            f.apply(stack.getRest(), new SpecialSink(ops, mc), mc);
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