luke
/
klayout
mirror of https://github.com/KLayout/klayout.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

WIP: propagate global nets to parent hierarchy even if there is no shape inside the cell.

This commit is contained in:
Matthias Koefferlein 2019-07-08 23:11:35 +02:00
parent bdb8a7bcc2
commit c9e08c4500
2 changed files with 26 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
src/db/db/dbHierNetworkProcessor.cc
View File

@ -145,6 +145,12 @@ Connectivity::global_net_id (const std::string &gn)
return id;
}
size_t
Connectivity::global_nets () const
{
return m_global_net_names.size ();
}
Connectivity::layer_iterator
Connectivity::begin_layers () const
{
@ -2037,9 +2043,22 @@ hier_clusters<T>::build_hier_connections (cell_clusters_box_converter<T> &cbc, c
// insert the global nets from here
std::set<typename db::local_cluster<T>::global_net_id> gn_seen;
for (typename db::connected_clusters<T>::const_iterator cl = local.begin (); cl != local.end (); ++cl) {
if (! cl->get_global_nets ().empty ()) {
global_net_clusters.add (cl->get_global_nets (), db::ClusterInstance (cl->id ()));
const typename db::local_cluster<T>::global_nets &gn = cl->get_global_nets ();
if (! gn.empty ()) {
gn_seen.insert (gn.begin (), gn.end ());
global_net_clusters.add (gn, db::ClusterInstance (cl->id ()));
}
}
// add dummy clusters for global nets not having any shape on it
for (size_t gn_id = 0; gn_id < conn.global_nets (); ++gn_id) {
if (gn_seen.find (gn_id) == gn_seen.end ()) {
typename db::local_cluster<T>::global_nets gn;
gn.insert (gn_id);
global_net_clusters.add (gn, db::ClusterInstance ());
}
}

5
src/db/db/dbHierNetworkProcessor.h
View File

@ -131,6 +131,11 @@ public:
*/
size_t global_net_id (const std::string &gn);
/**
* @brief Gets the number of global nets (it's also the max ID + 1)
*/
size_t global_nets () const;
/**
* @brief Begin iterator for the layers involved
*/