def handle_func_like_macro()

in sphinx/cdomain.py [0:0]

• 28 lines of code
• 9 McCabe index (conditional complexity)

    def handle_func_like_macro(self, sig, signode):
        u"""Handles signatures of function-like macros.

        If the objtype is 'function' and the the signature ``sig`` is a
        function-like macro, the name of the macro is returned. Otherwise
        ``False`` is returned.  """

        global namespace

        if not self.objtype == 'function':
            return False

        m = c_funcptr_sig_re.match(sig)
        if m is None:
            m = c_sig_re.match(sig)
            if m is None:
                raise ValueError('no match')

        rettype, fullname, arglist, _const = m.groups()
        arglist = arglist.strip()
        if rettype or not arglist:
            return False

        arglist = arglist.replace('`', '').replace('\\ ', '') # remove markup
        arglist = [a.strip() for a in arglist.split(",")]

        # has the first argument a type?
        if len(arglist[0].split(" ")) > 1:
            return False

        # This is a function-like macro, it's arguments are typeless!
        signode  += addnodes.desc_name(fullname, fullname)
        paramlist = addnodes.desc_parameterlist()
        signode  += paramlist

        for argname in arglist:
            param = addnodes.desc_parameter('', '', noemph=True)
            # separate by non-breaking space in the output
            param += nodes.emphasis(argname, argname)
            paramlist += param

        if namespace:
            fullname = namespace + "." + fullname

        return fullname