How to use funcSpec method in fMBT

Best Python code snippet using fMBT_python

test_funcspec.py

Source:test_funcspec.py

...172                # special check for dependencies list173                extract_deps = lambda s: re.findall(r"\('\w+', '\w+'\)", s)174                assert set(extract_deps(s)) == set(extract_deps(spec[i]))175def test_funcspecs_python(fsargs):176    _compare_with_file(RHSfuncSpec(fsargs)._infostr(verbose=2), "funcspec_python.out")177def test_funcspec_recreate(fsargs):178    del fsargs['codeinsert_start']179    del fsargs['codeinsert_end']180    pyspec = RHSfuncSpec(fsargs)181    cspec_recreated = pyspec.recreate('c')182    fsargs['targetlang'] = 'c'183    cspec = RHSfuncSpec(fsargs)184    assert cspec._infostr(verbose=2) == cspec_recreated._infostr(verbose=2)185def test_funcspecs_c(fsargs):186    fsargs['targetlang'] = 'c'187    fsargs['codeinsert_start'] = "fprintf('code inserted at start\n')"188    fsargs['codeinsert_end'] = "fprintf('code inserted at end\n')"...

funcspec.py

Source:funcspec.py

12from tools.utils.ictypes import canonical_ictype, native_ictype, unstringed_ictype, VALID_ICTYPES3from tools.utils.platform import ICTYPE_2_MGDTYPE456#==========================================================================78class _FuncSpec(tuple):9    10    @property11    def ret(self):12        return self[0]13    14    @property15    def args(self):16        return self[1:]1718    @property19    def argspec(self):20        return ''.join(self.args) or 'void'21    22    @property23    def mgd_ret(self):24        return ICTYPE_2_MGDTYPE[self.ret]2526    @property27    def mgd_arglist(self):28        return ', '.join(29            '%s arg%d' % (ICTYPE_2_MGDTYPE[arg], i)30            for (i, arg) in enumerate(self.args))3132    @property33    def canonical(self):34        return _FuncSpec(map(canonical_ictype, self))3536    @property37    def native(self):38        return _FuncSpec(map(native_ictype, self))3940    @property41    def unstringed(self):42        return _FuncSpec(map(unstringed_ictype, self))4344    def withargs(self, newargs):45        return _FuncSpec(self[:1] + tuple(newargs))4647    def __str__(self):48        return '_'.join((self.ret, self.argspec))4950    def __repr__(self):51        return 'FuncSpec("%s")' % self525354#==========================================================================5556def _complain(s):57    raise Exception('could not get ictype from "%s"' % s)5859def _slurp_argspec(argspec):60    while len(argspec):61        for key in VALID_ICTYPES:62            if argspec.startswith(key):63                argspec = argspec[len(key):]64                yield key65                break66        else:67            _complain(argspec)6869def _unpack_argspec(argspec):70    if argspec == 'void':71        return ()72    return tuple(_slurp_argspec(argspec))7374def _unpack_retargs(ret, args):75    return (ret,) + tuple(args)7677def _unpack_funcspec(funcspec):78    ret, argspec = funcspec.split('_')79    if ret not in VALID_ICTYPES:80        _complain(ret)81    args = _unpack_argspec(argspec)82    return _unpack_retargs(ret, args)8384_unpack_nothing = lambda x: x8586_UNPACKERS = {87    (str,):         _unpack_funcspec,88    (str, list):    _unpack_retargs,89    (str, tuple):   _unpack_retargs,90}9192def _get_funcspec_data(input):93    types = tuple(map(type, input))94    unpack = _UNPACKERS.get(types, _unpack_nothing)95    return unpack(*input)969798#==========================================================================99100def FuncSpec(*args):101    return _FuncSpec(_get_funcspec_data(args)).canonical102    103
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