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Fix Block.getFlattenedNet() for "one instance path" cases.

This commit is contained in:
Jean-Paul Chaput 2021-06-06 10:50:13 +02:00
parent fc445a2285
commit a2daf26fca
1 changed files with 12 additions and 5 deletions
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17
cumulus/src/plugins/alpha/block/block.py
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@ -383,8 +383,10 @@ class Block ( object ):
@staticmethod
def _instancesToPath ( cell, instances ):
instance = cell.getInstance( instances[0] )
return Block._rinstancesToPath( Path(instance), instances[1:] )
path = Path( cell.getInstance( instances[0] ))
if len(instances) == 1:
return path
return Block._rinstancesToPath( path, instances[1:] )
def getFlattenedNet ( self, path ):
"""
@ -398,9 +400,14 @@ class Block ( object ):
elements = path.split('.')
if len(elements) == 1:
return None
path = Block._instancesToPath( self.conf.cellPnR, elements[:-1] )
net = path.getTailInstance().getMasterCell().getNet( elements[-1] )
return Occurrence( net, path )
ipath = Block._instancesToPath( self.conf.cellPnR, elements[:-1] )
net = ipath.getTailInstance().getMasterCell().getNet( elements[-1] )
if net is None:
raise ErrorMessage( 1, [ 'Block.getFlattenedNet(): On "{}" (deep)net,'.format( path )
, 'Tail {} has no net "{}".' \
.format( ipath.getTailInstance(), elements[-1] )
] )
return Occurrence( net, ipath )
def setUnexpandPins ( self, sides ):
"""