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93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
//
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// Copyright 2015 Ettus Research LLC
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include "expression.hpp"
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#include <boost/shared_ptr.hpp>
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#include <boost/function.hpp>
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#include <vector>
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#ifndef INCLUDED_LIBUHD_RFNOC_NOCSCRIPT_FUNCTABLE_HPP
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#define INCLUDED_LIBUHD_RFNOC_NOCSCRIPT_FUNCTABLE_HPP
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namespace uhd { namespace rfnoc { namespace nocscript {
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class function_table
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{
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public:
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typedef boost::shared_ptr<function_table> sptr;
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typedef boost::function<expression_literal(expression_container::expr_list_type&)> function_ptr;
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static sptr make();
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virtual ~function_table() {};
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/*! Check if any function with a given name exists
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*
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* \returns True, if any function with name \p name is registered.
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*/
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virtual bool function_exists(const std::string &name) const = 0;
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/*! Check if a function with a given name and list of argument types exists
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*
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* \returns True, if such a function is registered.
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*/
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virtual bool function_exists(
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const std::string &name,
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const expression_function::argtype_list_type &arg_types
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) const = 0;
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/*! Get the return type of a function with given name and argument type list
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*
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* \returns The function's return type
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* \throws uhd::syntax_error if no such function is registered
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*/
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virtual expression::type_t get_type(
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const std::string &name,
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const expression_function::argtype_list_type &arg_types
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) const = 0;
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/*! Calls the function \p name with the argument list \p arguments
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*
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* \param arg_types A list of types for each argument
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* \param arguments An expression list of the arguments
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* \returns The return value of the called function
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* \throws uhd::syntax_error if no such function is found
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*/
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virtual expression_literal eval(
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const std::string &name,
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const expression_function::argtype_list_type &arg_types,
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expression_container::expr_list_type &arguments
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) = 0;
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/*! Register a new function
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*
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* \param name Name of the function (e.g. 'ADD')
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* \param ptr Function object
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* \param return_type The function's return value
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* \param sig The function signature (list of argument types)
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*/
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virtual void register_function(
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const std::string &name,
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const function_ptr &ptr,
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const expression::type_t return_type,
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const expression_function::argtype_list_type &sig
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) = 0;
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};
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}}} /* namespace uhd::rfnoc::nocscript */
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#endif /* INCLUDED_LIBUHD_RFNOC_NOCSCRIPT_FUNCTABLE_HPP */
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// vim: sw=4 et:
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