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LEF/DEF reader recognizes existing layers by name now 

This is helpful as it assigns layer/datatype numbers
automatically. If only a name is given for a layer
(i.e. "OUTLINE"), it will not match any previously
loaded layer and layer matching goes by layer/datatype
first.

This way, every "reload" added a new "OUTLINE" layer.
This commit is contained in:
Matthias Koefferlein 2024-09-30 22:06:38 +02:00
parent 7953cadab2
commit 4be134e293
1 changed files with 3 additions and 1 deletions
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4
src/plugins/streamers/lefdef/db_plugin/dbLEFDEFImporter.cc
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@ -1508,7 +1508,9 @@ std::set<unsigned int> LEFDEFReaderState::open_layer_uncached(db::Layout &layout
bool found = false;
for (db::Layout::layer_iterator i = layout.begin_layers (); i != layout.end_layers () && ! found; ++i) {
if ((*i).second->log_equal (lp_new)) {
// NOTE: if lp_new only has a name, we also check for the name. Since we assign a default layer/datatype,
// otherwise, a "reload" in the UI would not recognize the layer as the same.
if ((*i).second->log_equal (lp_new) || (lp_new.is_named () && (*i).second->name == lp_new.name)) {
found = true;
res.insert ((*i).first);
}