def __call__(self, dut, *args, **kwargs):
global _tracing
if _tracing:
return dut(*args, **kwargs) # skip
else:
# clean start
sys.setprofile(None)
from myhdl.conversion import _toVerilog
if _toVerilog._converting:
raise TraceSignalsError(
"Cannot use traceSignals while converting to Verilog")
if not callable(dut):
raise TraceSignalsError(_error.ArgType, "got %s" % type(dut))
if _simulator._tracing:
raise TraceSignalsError(_error.MultipleTraces)
_tracing = 1
try:
if self.name is None:
name = dut.__name__
else:
name = str(self.name)
if name is None:
raise TraceSignalsError(_error.TopLevelName)
if self.directory is None:
directory = ''
else:
directory = self.directory
h = _HierExtr(name, dut, *args, **kwargs)
vcdpath = os.path.join(directory, name + ".vcd")
if path.exists(vcdpath):
backup = vcdpath + '.' + str(path.getmtime(vcdpath))
shutil.copyfile(vcdpath, backup)
os.remove(vcdpath)
vcdfile = open(vcdpath, 'w')
_simulator._tracing = 1
_simulator._tf = vcdfile
_writeVcdHeader(vcdfile, self.timescale)
_writeVcdSigs(vcdfile, h.hierarchy, self.tracelists)
finally:
_tracing = 0
return h.top
def __call__(self, dut, *args, **kwargs):
global _tracing, vcdpath
if isinstance(dut, _Block):
# now we go bottom-up: so clean up and start over
# TODO: consider a warning for the overruled block
if _simulator._tracing:
_simulator._tracing = 0
_simulator._tf.close()
os.remove(vcdpath)
else: # deprecated
if _tracing:
return dut(*args, **kwargs) # skip
else:
# clean start
sys.setprofile(None)
from myhdl.conversion import _toVerilog
if _toVerilog._converting:
raise TraceSignalsError(
"Cannot use traceSignals while converting to Verilog")
if not isinstance(dut, _Block):
if not callable(dut):
raise TraceSignalsError(_error.ArgType, "got %s" % type(dut))
if _simulator._tracing:
raise TraceSignalsError(_error.MultipleTraces)
_tracing = 1
try:
if self.name is None:
name = dut.__name__
if isinstance(dut, _Block):
name = dut.func.__name__
else:
name = str(self.name)
if name is None:
raise TraceSignalsError(_error.TopLevelName)
if self.directory is None:
directory = ''
else:
directory = self.directory
if isinstance(dut, _Block):
h = _getHierarchy(name, dut)
else:
warnings.warn(
"\n traceSignals(): Deprecated usage: See http://dev.myhdl.org/meps/mep-114.html",
stacklevel=2)
h = _HierExtr(name, dut, *args, **kwargs)
if self.filename is None:
filename = name
else:
filename = str(self.filename)
vcdpath = os.path.join(directory, filename + ".vcd")
if path.exists(vcdpath):
if self.tracebackup:
backup = vcdpath[:-4] + '.' + str(
path.getmtime(vcdpath)) + '.vcd'
shutil.copyfile(vcdpath, backup)
os.remove(vcdpath)
vcdfile = open(vcdpath, 'w')
_simulator._tracing = 1
_simulator._tf = vcdfile
_writeVcdHeader(vcdfile, self.timescale)
_writeVcdSigs(vcdfile, h.hierarchy, self.tracelists)
finally:
_tracing = 0
return h.top