const char*draw_island_net_input(ivl_island_t island, ivl_nexus_t nex)
{
struct vvp_nexus_data*nex_data = (struct vvp_nexus_data*)
ivl_nexus_get_private(nex);
/* If this nexus already has a label, then its input is
already figured out. Just return the existing label. */
if (nex_data && nex_data->island_input) {
assert(nex_data->island == island);
return nex_data->island_input;
}
if (nex_data == 0) {
nex_data = new_nexus_data();
ivl_nexus_set_private(nex, nex_data);
}
assert(nex_data->net_input == 0);
draw_net_input_x(nex, nex_data);
assert(nex_data->island == island);
assert(nex_data->island_input);
return nex_data->island_input;
}
edif_joint_t edif_joint_of_nexus(edif_t edf, ivl_nexus_t nex)
{
void*tmp = ivl_nexus_get_private(nex);
edif_joint_t jnt;
if (tmp == 0) {
jnt = edif_joint_create(edf);
ivl_nexus_set_private(nex, jnt);
return jnt;
}
jnt = (edif_joint_t) tmp;
return jnt;
}
static void edif_set_nexus_joint(ivl_nexus_t nex, const char*joint)
{
size_t newlen;
struct nexus_recall*rec;
rec = (struct nexus_recall*)ivl_nexus_get_private(nex);
if (rec == 0) {
rec = malloc(sizeof(struct nexus_recall));
rec->nex = nex;
rec->joined = malloc(8);
rec->joined[0] = 0;
rec->next = net_list;
net_list = rec;
ivl_nexus_set_private(nex, rec);
}
newlen = strlen(rec->joined) + strlen(joint) + 2;
rec->joined = realloc(rec->joined, newlen);
strcat(rec->joined, " ");
strcat(rec->joined, joint);
}