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fhdl: better signal naming heuristic

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This commit is contained in:
Sebastien Bourdeauducq 2012-01-07 15:30:14 +01:00
parent b6763c28ea
commit cdd9977a40
1 changed files with 38 additions and 11 deletions
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49
migen/fhdl/structure.py
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@ -131,20 +131,47 @@ def _cst(x):
else:
return x
def _make_signal_name():
frame = inspect.currentframe().f_back.f_back
line = inspect.getframeinfo(frame).code_context[0]
m = re.match('[\t ]*([0-9A-Za-z_\.]+)[\t ]*=', line)
if m is None:
return "anonymous"
name = m.group(1)
name = name.split('.')
name = name[len(name)-1]
def _try_class_name(frame):
while frame is not None:
try:
cl = frame.f_locals['self']
prefix = cl.__class__.__name__.lower()
if prefix != 'inst' and prefix != 'source' and prefix != 'sink':
return prefix
except KeyError:
pass
frame = frame.f_back
return None
def _try_module_name(frame):
modules = frame.f_globals["__name__"]
if modules != "__main__":
modules = modules.split('.')
name = modules[len(modules)-1] + "_" + name
return name
prefix = modules[len(modules)-1]
return prefix
else:
return None
def _make_signal_name():
frame = inspect.currentframe().f_back.f_back
line = inspect.getframeinfo(frame).code_context[0]
m = re.match('[\t ]*([0-9A-Za-z_\.]+)[\t ]*=', line)
if m is None:
name = "anonymous"
else:
names = m.group(1).split('.')
name = names[len(names)-1]
prefix = _try_class_name(frame)
if prefix is None:
prefix = _try_module_name(frame)
if prefix is None:
prefix = ""
else:
prefix += "_"
return prefix + name
class Signal(Value):
def __init__(self, bv=BV(), name=None, variable=False, reset=0):