9. Knobs Runt Words

9.1. Runt Loader

All runt words are loaded with the function knobs_runt_loader. It is loaded at init time.

static int knobs_runt_loader(monolith_d *m);

<<knobs_runt_functions>>
static int knobs_runt_loader(monolith_d *m)
{
<<knobs_runt_keywords>>
    monolith_runt_mark_set(m);
    return RUNT_OK;
}

knobs_runt_loader(m);

9.2. Knobs Value

Here is a dummy word called "knobs".

monolith_runt_keyword(m, "knobsval", 8, rproc_knobs_val, m);

static runt_int rproc_knobs_val(runt_vm *vm, runt_ptr p)
{
    monolith_d *m;
    runt_int rc;
    int lane, x, y;
    gf_patch *patch;
    gf_node *node;
    const char *name;
    runt_stacklet *s;
    runt_stacklet *out;
    monolith_page *pg;
    page_knobs_d *knobs;

    m = runt_to_cptr(p);
    rc = runt_ppop(vm, &s);
    RUNT_ERROR_CHECK(rc);

    name = runt_to_string(s->p);

    rc = runt_ppop(vm, &s);
    RUNT_ERROR_CHECK(rc);
    y = s->f;

    rc = runt_ppop(vm, &s);
    RUNT_ERROR_CHECK(rc);
    x = s->f;

    rc = runt_ppop(vm, &s);
    RUNT_ERROR_CHECK(rc);
    lane = s->f;

    rc = runt_ppush(vm, &out);
    RUNT_ERROR_CHECK(rc);

    rc = runt_monolith_lookup_page(vm,
                                   m, name,
                                   "knobs",
                                   is_knobs, &pg);
    RUNT_ERROR_CHECK(rc);

    knobs = monolith_page_data_get(pg);

    patch = monolith_graforge_get(m);
    rc = gf_patch_new_node(patch, &node);
    GF_RUNT_ERROR_CHECK(rc);
    node_knobs_val(node, knobs, lane, x, y);
    rgf_push_output(vm, node, out, 0);

    return RUNT_OK;
}

---

prev | home | next