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/*
* This file is part of ACADO Toolkit.
*
* ACADO Toolkit -- A Toolkit for Automatic Control and Dynamic Optimization.
* Copyright (C) 2008-2014 by Boris Houska, Hans Joachim Ferreau,
* Milan Vukov, Rien Quirynen, KU Leuven.
* Developed within the Optimization in Engineering Center (OPTEC)
* under supervision of Moritz Diehl. All rights reserved.
*
* ACADO Toolkit is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* ACADO Toolkit is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with ACADO Toolkit; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
/**
* \file include/acado/code_generation/export_function.hpp
* \authors Hans Joachim Ferreau, Boris Houska, Milan Vukov
* \date 2010 - 2013
*/
#ifndef ACADO_TOOLKIT_EXPORT_FUNCTION_HPP
#define ACADO_TOOLKIT_EXPORT_FUNCTION_HPP
#include <acado/utils/acado_utils.hpp>
#include <acado/code_generation/export_variable.hpp>
#include <acado/code_generation/export_argument_list.hpp>
#include <acado/code_generation/export_statement_block.hpp>
#include <acado/code_generation/export_statement_string.hpp>
#include <acado/code_generation/memory_allocator.hpp>
#include <memory>
BEGIN_NAMESPACE_ACADO
/**
* \brief Allows to export code of an arbitrary function.
*
* \ingroup AuxiliaryFunctionality
*
* The class ExportFunction allows to export code of an arbitrary function.
*
*/
class ExportFunction : public ExportStatementBlock
{
public:
/** Default constructor which optionally takes the name of the function
* as well as possible calling arguments.
*
* @param[in] _name Name of the function.
* @param[in] _argument1 Calling argument no. 1.
* @param[in] _argument2 Calling argument no. 2.
* @param[in] _argument3 Calling argument no. 3.
* @param[in] _argument4 Calling argument no. 4.
* @param[in] _argument5 Calling argument no. 5.
* @param[in] _argument6 Calling argument no. 6.
* @param[in] _argument7 Calling argument no. 7.
* @param[in] _argument8 Calling argument no. 8.
* @param[in] _argument9 Calling argument no. 9.
*/
ExportFunction( const std::string& _name = "defaultFunctionName",
const ExportArgument& _argument1 = emptyConstExportArgument,
const ExportArgument& _argument2 = emptyConstExportArgument,
const ExportArgument& _argument3 = emptyConstExportArgument,
const ExportArgument& _argument4 = emptyConstExportArgument,
const ExportArgument& _argument5 = emptyConstExportArgument,
const ExportArgument& _argument6 = emptyConstExportArgument,
const ExportArgument& _argument7 = emptyConstExportArgument,
const ExportArgument& _argument8 = emptyConstExportArgument,
const ExportArgument& _argument9 = emptyConstExportArgument
);
/** Destructor.
*/
virtual ~ExportFunction( );
/** Clone constructor (deep copy).
*
* \return Pointer to cloned object.
*/
virtual ExportStatement* clone( ) const;
/** Initializes function with given name and possible calling arguments.
*
* @param[in] _name Name of the function.
* @param[in] _argument1 Calling argument no. 1.
* @param[in] _argument2 Calling argument no. 2.
* @param[in] _argument3 Calling argument no. 3.
* @param[in] _argument4 Calling argument no. 4.
* @param[in] _argument5 Calling argument no. 5.
* @param[in] _argument6 Calling argument no. 6.
* @param[in] _argument7 Calling argument no. 7.
* @param[in] _argument8 Calling argument no. 8.
* @param[in] _argument9 Calling argument no. 9.
*
* \return SUCCESSFUL_RETURN
*/
returnValue init( const std::string& _name = "defaultFunctionName",
const ExportArgument& _argument1 = emptyConstExportArgument,
const ExportArgument& _argument2 = emptyConstExportArgument,
const ExportArgument& _argument3 = emptyConstExportArgument,
const ExportArgument& _argument4 = emptyConstExportArgument,
const ExportArgument& _argument5 = emptyConstExportArgument,
const ExportArgument& _argument6 = emptyConstExportArgument,
const ExportArgument& _argument7 = emptyConstExportArgument,
const ExportArgument& _argument8 = emptyConstExportArgument,
const ExportArgument& _argument9 = emptyConstExportArgument
);
/** Initializes function with given name and possible calling arguments.
*
* @param[in] _name Name of the function.
* @param[in] _argument1 Calling argument no. 1.
* @param[in] _argument2 Calling argument no. 2.
* @param[in] _argument3 Calling argument no. 3.
* @param[in] _argument4 Calling argument no. 4.
* @param[in] _argument5 Calling argument no. 5.
* @param[in] _argument6 Calling argument no. 6.
* @param[in] _argument7 Calling argument no. 7.
* @param[in] _argument8 Calling argument no. 8.
* @param[in] _argument9 Calling argument no. 9.
*
* \return Reference to initialized object
*/
ExportFunction& setup( const std::string& _name = "defaultFunctionName",
const ExportArgument& _argument1 = emptyConstExportArgument,
const ExportArgument& _argument2 = emptyConstExportArgument,
const ExportArgument& _argument3 = emptyConstExportArgument,
const ExportArgument& _argument4 = emptyConstExportArgument,
const ExportArgument& _argument5 = emptyConstExportArgument,
const ExportArgument& _argument6 = emptyConstExportArgument,
const ExportArgument& _argument7 = emptyConstExportArgument,
const ExportArgument& _argument8 = emptyConstExportArgument,
const ExportArgument& _argument9 = emptyConstExportArgument
);
/** Adds up to nine calling arguments to the function.
*
* @param[in] _name Name of the function.
* @param[in] _argument1 Calling argument no. 1.
* @param[in] _argument2 Calling argument no. 2.
* @param[in] _argument3 Calling argument no. 3.
* @param[in] _argument4 Calling argument no. 4.
* @param[in] _argument5 Calling argument no. 5.
* @param[in] _argument6 Calling argument no. 6.
* @param[in] _argument7 Calling argument no. 7.
* @param[in] _argument8 Calling argument no. 8.
* @param[in] _argument9 Calling argument no. 9.
*
* \return SUCCESSFUL_RETURN
*/
returnValue addArgument( const ExportArgument& _argument1,
const ExportArgument& _argument2 = emptyConstExportArgument,
const ExportArgument& _argument3 = emptyConstExportArgument,
const ExportArgument& _argument4 = emptyConstExportArgument,
const ExportArgument& _argument5 = emptyConstExportArgument,
const ExportArgument& _argument6 = emptyConstExportArgument,
const ExportArgument& _argument7 = emptyConstExportArgument,
const ExportArgument& _argument8 = emptyConstExportArgument,
const ExportArgument& _argument9 = emptyConstExportArgument
);
/** Assigns a return value to the function (by default, its return value is void).
*
* @param[in] _functionReturnValue New return value of the function.
* @param[in] _returnAsPointer Flag indicating whether value shall be returned as pointer.
*
* \return SUCCESSFUL_RETURN
*/
ExportFunction& setReturnValue( const ExportVariable& _functionReturnValue,
bool _returnAsPointer = false
);
/** Sets the name of the function. */
ExportFunction& setName(const std::string& _name);
/** Returns the name of the function. */
std::string getName( ) const;
/** Exports data declaration of the function into given file. Its appearance can
* can be adjusted by various options.
*
* @param[in] file Name of file to be used to export function.
* @param[in] _realString std::string to be used to declare real variables.
* @param[in] _intString std::string to be used to declare integer variables.
* @param[in] _precision Number of digits to be used for exporting real values.
*
* \return SUCCESSFUL_RETURN
*/
virtual returnValue exportDataDeclaration( std::ostream& stream,
const std::string& _realString = "real_t",
const std::string& _intString = "int",
int _precision = 16
) const;
/** Exports forward declaration of the function into given file. Its appearance can
* can be adjusted by various options.
*
* @param[in] stream Name of file to be used to export statement.
* @param[in] _realString std::string to be used to declare real variables.
* @param[in] _intString std::string to be used to declare integer variables.
* @param[in] _precision Number of digits to be used for exporting real values.
*
* \return SUCCESSFUL_RETURN
*/
virtual returnValue exportForwardDeclaration( std::ostream& stream,
const std::string& _realString = "real_t",
const std::string& _intString = "int",
int _precision = 16
) const;
/** Exports source code of the function into given file. Its appearance can
* can be adjusted by various options.
*
* @param[in] stream Name of file to be used to export function.
* @param[in] _realString std::string to be used to declare real variables.
* @param[in] _intString std::string to be used to declare integer variables.
* @param[in] _precision Number of digits to be used for exporting real values.
*
* \return SUCCESSFUL_RETURN
*/
virtual returnValue exportCode( std::ostream& stream,
const std::string& _realString = "real_t",
const std::string& _intString = "int",
int _precision = 16
) const;
/** Returns whether function has been defined.
*
* \return true iff function has been defined, \n
* false otherwise
*/
virtual bool isDefined( ) const;
/** Return number of calling arguments of the function. */
unsigned getNumArguments( ) const;
/** Add a new index (local) index to the function */
ExportFunction& addIndex( const ExportIndex& _index );
/** Add a new index (local) variable to the function. */
ExportFunction& addVariable( const ExportVariable& _var );
/** Acquire a local variable. */
virtual ExportFunction& acquire( ExportIndex& obj );
/** Release a local variable. */
virtual ExportFunction& release( const ExportIndex& obj );
/** Set a documentation string. */
virtual ExportFunction& doc( const std::string& _doc );
/** Set the function as private. If this is true, then do not export it's declaration. */
virtual ExportFunction& setPrivate( bool _set = true );
/** Is function private? */
virtual bool isPrivate() const;
protected:
/** Frees internal dynamic memory to yield an empty function.
*
* \return SUCCESSFUL_RETURN
*/
returnValue clear( );
/** Name of the function. */
std::string name;
/** A description string. */
std::string description;
/** List of calling arguments. */
ExportArgumentList functionArguments;
/** Return value of the function. */
ExportVariable retVal;
/** Flag indicating whether value shall be returned as pointer. */
bool returnAsPointer;
/** Memory allocator */
MemoryAllocatorPtr memAllocator;
/** Array of local variables. */
std::vector< ExportVariable > localVariables;
/** Private flag. In principle if this guy is true, do not export function declaration. */
bool flagPrivate;
};
CLOSE_NAMESPACE_ACADO
#endif // ACADO_TOOLKIT_EXPORT_FUNCTION_HPP