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Also write the net properties to GDS or OASIS 

"build_nets" will now write the net's properties
to the generated net shapes.
This might enable interesting applications.
This commit is contained in:
Matthias Koefferlein 2019-11-13 23:09:09 +01:00
parent bb3aed5773
commit 8dddc4000f
3 changed files with 42 additions and 3 deletions
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15
src/db/db/dbLayoutToNetlist.cc
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@ -814,11 +814,20 @@ LayoutToNetlist::build_net_rec (db::cell_index_type ci, size_t cid, db::Layout &
db::properties_id_type
LayoutToNetlist::make_netname_propid (db::Layout &ly, const tl::Variant &netname_prop, const db::Net &net) const
{
if (! netname_prop.is_nil ()) {
if (! netname_prop.is_nil () || net.begin_properties () != net.end_properties ()) {
db::property_names_id_type name_propnameid = ly.properties_repository ().prop_name_id (netname_prop);
db::PropertiesRepository::properties_set propset;
propset.insert (std::make_pair (name_propnameid, tl::Variant (net.expanded_name ())));
// add the user properties too (TODO: make this configurable?)
for (db::Net::property_iterator p = net.begin_properties (); p != net.end_properties (); ++p) {
db::property_names_id_type key_propnameid = ly.properties_repository ().prop_name_id (p->first);
propset.insert (std::make_pair (key_propnameid, p->second));
}
if (! netname_prop.is_nil ()) {
db::property_names_id_type name_propnameid = ly.properties_repository ().prop_name_id (netname_prop);
propset.insert (std::make_pair (name_propnameid, tl::Variant (net.expanded_name ())));
}
return ly.properties_repository ().properties_id (propset);

30
src/db/unit_tests/dbLayoutToNetlistReaderTests.cc
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@ -288,6 +288,36 @@ TEST(1c_ReaderBasicShortWithProps)
std::string au_path = tl::combine_path (tl::combine_path (tl::combine_path (tl::testsrc (), "testdata"), "algo"), "l2n_writer_au_p.txt");
compare_text_files (path, au_path);
{
db::Layout ly2;
ly2.dbu (l2n.internal_layout ()->dbu ());
db::Cell &top2 = ly2.cell (ly2.add_cell ("TOP"));
std::map<unsigned int, const db::Region *> lmap;
lmap [ly2.insert_layer (db::LayerProperties (3, 0))] = l2n.layer_by_name ("poly");
lmap [ly2.insert_layer (db::LayerProperties (3, 1))] = l2n.layer_by_name ("poly_lbl");
lmap [ly2.insert_layer (db::LayerProperties (4, 0))] = l2n.layer_by_name ("diff_cont");
lmap [ly2.insert_layer (db::LayerProperties (5, 0))] = l2n.layer_by_name ("poly_cont");
lmap [ly2.insert_layer (db::LayerProperties (6, 0))] = l2n.layer_by_name ("metal1");
lmap [ly2.insert_layer (db::LayerProperties (6, 1))] = l2n.layer_by_name ("metal1_lbl");
lmap [ly2.insert_layer (db::LayerProperties (7, 0))] = l2n.layer_by_name ("via1");
lmap [ly2.insert_layer (db::LayerProperties (8, 0))] = l2n.layer_by_name ("metal2");
lmap [ly2.insert_layer (db::LayerProperties (8, 1))] = l2n.layer_by_name ("metal2_lbl");
lmap [ly2.insert_layer (db::LayerProperties (10, 0))] = l2n.layer_by_name ("psd");
lmap [ly2.insert_layer (db::LayerProperties (11, 0))] = l2n.layer_by_name ("nsd");
db::CellMapping cm = l2n.cell_mapping_into (ly2, top2);
l2n.build_all_nets (cm, ly2, lmap, "NET_", tl::Variant (), db::LayoutToNetlist::BNH_Disconnected, 0, "DEVICE_");
std::string au = tl::testsrc ();
au = tl::combine_path (au, "testdata");
au = tl::combine_path (au, "algo");
au = tl::combine_path (au, "l2n_writer_au_p.oas");
db::compare_layouts (_this, ly2, au, db::WriteOAS);
}
}
TEST(2_ReaderWithGlobalNets)

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testdata/algo/l2n_writer_au_p.oas vendored Normal file
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