def _DemangleNames(names, tool_prefix):
"""Uses c++filt to demangle a list of names."""
proc = subprocess.Popen([path_util.GetCppFiltPath(tool_prefix)],
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
stdout = proc.communicate('\n'.join(names))[0]
assert proc.returncode == 0
ret = [StripLlvmPromotedGlobalNames(line) for line in stdout.splitlines()]
if logging.getLogger().isEnabledFor(logging.INFO):
fail_count = sum(1 for s in ret if s.startswith('_Z'))
if fail_count:
logging.info('* Failed to demangle %d/%d items', fail_count, len(ret))
return ret
def _UnmangleRemainingSymbols(raw_symbols, tool_prefix):
"""Uses c++filt to unmangle any symbols that need it."""
to_process = [s for s in raw_symbols if s.full_name.startswith('_Z')]
if not to_process:
return
logging.info('Unmangling %d names', len(to_process))
proc = subprocess.Popen([path_util.GetCppFiltPath(tool_prefix)],
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
stdout = proc.communicate('\n'.join(s.full_name for s in to_process))[0]
assert proc.returncode == 0
for i, line in enumerate(stdout.splitlines()):
to_process[i].full_name = line
def _DemangleNames(names, tool_prefix):
"""Uses c++filt to demangle a list of names."""
proc = subprocess.Popen([path_util.GetCppFiltPath(tool_prefix)],
stdin=subprocess.PIPE, stdout=subprocess.PIPE)
stdout = proc.communicate('\n'.join(_ExtractDemanglablePart(names)))[0]
assert proc.returncode == 0
ret = [
_PostProcessDemangledSymbol(old_name, new_name)
for (old_name, new_name) in itertools.izip(names, stdout.splitlines())
]
if logging.getLogger().isEnabledFor(logging.INFO):
fail_count = sum(1 for s in ret if _CanDemangle(s))
if fail_count:
logging.info('* Failed to demangle %d/%d items', fail_count, len(ret))
return ret
