def ToParameters()

in ext/gtest-1.8.0/googlemock/scripts/generator/cpp/ast.py [0:0]

• 55 lines of code
• 14 McCabe index (conditional complexity)

    def ToParameters(self, tokens):
        if not tokens:
            return []

        result = []
        name = type_name = ''
        type_modifiers = []
        pointer = reference = array = False
        first_token = None
        default = []

        def AddParameter(end):
            if default:
                del default[0]  # Remove flag.
            parts = self.DeclarationToParts(type_modifiers, True)
            (name, type_name, templated_types, modifiers,
             unused_default, unused_other_tokens) = parts
            parameter_type = Type(first_token.start, first_token.end,
                                  type_name, templated_types, modifiers,
                                  reference, pointer, array)
            p = Parameter(first_token.start, end, name,
                          parameter_type, default)
            result.append(p)

        template_count = 0
        for s in tokens:
            if not first_token:
                first_token = s
            if s.name == '<':
                template_count += 1
            elif s.name == '>':
                template_count -= 1
            if template_count > 0:
                type_modifiers.append(s)
                continue

            if s.name == ',':
                AddParameter(s.start)
                name = type_name = ''
                type_modifiers = []
                pointer = reference = array = False
                first_token = None
                default = []
            elif s.name == '*':
                pointer = True
            elif s.name == '&':
                reference = True
            elif s.name == '[':
                array = True
            elif s.name == ']':
                pass  # Just don't add to type_modifiers.
            elif s.name == '=':
                # Got a default value.  Add any value (None) as a flag.
                default.append(None)
            elif default:
                default.append(s)
            else:
                type_modifiers.append(s)
        AddParameter(tokens[-1].end)
        return result