'parameter_declaration   : declaration_specifiers declarator'

def p_parameter_declaration_1(self, p):

    spec = p[1]
    if (not spec['type']):
        spec['type'] = [c_ast.IdentifierType(['int'], coord=self._coord(p.lineno(1)))]
    p[0] = self._build_declarations(spec=spec, decls=[dict(decl=p[2])])[0]
