exprtk::expression< T >::control_block Struct Reference

Collaboration diagram for exprtk::expression< T >::control_block:

Classes
struct	data_pack

Public Types
enum	data_type {   e_unknown , e_expr , e_vecholder , e_data ,   e_vecdata , e_string }
typedef std::vector< data_pack >	local_data_list_t
typedef results_context< T >	results_context_t
typedef control_block *	cntrl_blck_ptr_t

Public Member Functions
	control_block ()
	control_block (expression_ptr e)
	~control_block ()

Static Public Member Functions
static std::string	to_str (data_type dt)
static cntrl_blck_ptr_t	create (expression_ptr e)
static void	destroy (cntrl_blck_ptr_t &cntrl_blck)

Public Attributes
std::size_t	ref_count
expression_ptr	expr
local_data_list_t	local_data_list
results_context_t *	results
bool	retinv_null
bool *	return_invoked

Friends
class	function_compositor< T >

Detailed Description

template<typename T>
struct exprtk::expression< T >::control_block

Definition at line 21494 of file exprtk.hpp.

Member Typedef Documentation

cntrl_blck_ptr_t

template<typename T >

typedef control_block* exprtk::expression< T >::control_block::cntrl_blck_ptr_t

Definition at line 21542 of file exprtk.hpp.

local_data_list_t

template<typename T >

typedef std::vector<data_pack> exprtk::expression< T >::control_block::local_data_list_t

Definition at line 21540 of file exprtk.hpp.

results_context_t

template<typename T >

typedef results_context<T> exprtk::expression< T >::control_block::results_context_t

Definition at line 21541 of file exprtk.hpp.

Member Enumeration Documentation

data_type

template<typename T >

enum exprtk::expression::control_block::data_type

Enumerator
e_unknown
e_expr
e_vecholder
e_data
e_vecdata
e_string

Definition at line 21496 of file exprtk.hpp.

         {
            e_unknown  ,
            e_expr     ,
            e_vecholder,
            e_data     ,
            e_vecdata  ,
            e_string
         };

Constructor & Destructor Documentation

control_block() [1/2]

template<typename T >

exprtk::expression< T >::control_block::control_block ( )

inline

Definition at line 21544 of file exprtk.hpp.

         : ref_count(0)
         , expr     (0)
         , results  (0)
         , retinv_null(false)
         , return_invoked(&retinv_null)
         {}

Referenced by exprtk::expression< T >::control_block::create().

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control_block() [2/2]

template<typename T >

exprtk::expression< T >::control_block::control_block ( expression_ptr  e )

inlineexplicit

Definition at line 21552 of file exprtk.hpp.

         : ref_count(1)
         , expr     (e)
         , results  (0)
         , retinv_null(false)
         , return_invoked(&retinv_null)
         {}

~control_block()

template<typename T >

exprtk::expression< T >::control_block::~control_block ( )

inline

Definition at line 21560 of file exprtk.hpp.

         {
            if (expr && details::branch_deletable(expr))
            {
               destroy_node(expr);
            }
 
            if (!local_data_list.empty())
            {
               for (std::size_t i = 0; i < local_data_list.size(); ++i)
               {
                  switch (local_data_list[i].type)
                  {
                     case e_expr      : delete reinterpret_cast<expression_ptr>(local_data_list[i].pointer);
                                        break;
 
                     case e_vecholder : delete reinterpret_cast<vector_holder_ptr>(local_data_list[i].pointer);
                                        break;
 
                     case e_data      : delete reinterpret_cast<T*>(local_data_list[i].pointer);
                                        break;
 
                     case e_vecdata   : delete [] reinterpret_cast<T*>(local_data_list[i].pointer);
                                        break;
 
                     case e_string    : delete reinterpret_cast<std::string*>(local_data_list[i].pointer);
                                        break;
 
                     default          : break;
                  }
               }
            }
 
            if (results)
            {
               delete results;
            }
         }

References exprtk::details::branch_deletable(), exprtk::expression< T >::control_block::e_data, exprtk::expression< T >::control_block::e_expr, exprtk::expression< T >::control_block::e_string, exprtk::expression< T >::control_block::e_vecdata, exprtk::expression< T >::control_block::e_vecholder, exprtk::expression< T >::control_block::expr, exprtk::expression< T >::control_block::local_data_list, and exprtk::expression< T >::control_block::results.

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Member Function Documentation

create()

template<typename T >

static cntrl_blck_ptr_t exprtk::expression< T >::control_block::create ( expression_ptr  e )

inlinestatic

Definition at line 21599 of file exprtk.hpp.

         {
            return new control_block(e);
         }

References exprtk::expression< T >::control_block::control_block().

Referenced by exprtk::expression< T >::set_expression().

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destroy()

template<typename T >

static void exprtk::expression< T >::control_block::destroy ( cntrl_blck_ptr_t &  cntrl_blck )

inlinestatic

Definition at line 21604 of file exprtk.hpp.

         {
            if (cntrl_blck)
            {
               if (
                    (0 !=   cntrl_blck->ref_count) &&
                    (0 == --cntrl_blck->ref_count)
                  )
               {
                  delete cntrl_blck;
               }
 
               cntrl_blck = 0;
            }
         }

References exprtk::expression< T >::control_block::ref_count.

Referenced by exprtk::expression< T >::release(), and exprtk::expression< T >::~expression().

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to_str()

template<typename T >

static std::string exprtk::expression< T >::control_block::to_str ( data_type  dt )

inlinestatic

Definition at line 21506 of file exprtk.hpp.

         {
            switch(dt)
            {
               case e_unknown   : return "e_unknown  ";
               case e_expr      : return "e_expr"     ;
               case e_vecholder : return "e_vecholder";
               case e_data      : return "e_data"     ;
               case e_vecdata   : return "e_vecdata"  ;
               case e_string    : return "e_string"   ;
            }
 
            return "";
         }

References exprtk::expression< T >::control_block::e_data, exprtk::expression< T >::control_block::e_expr, exprtk::expression< T >::control_block::e_string, exprtk::expression< T >::control_block::e_unknown, exprtk::expression< T >::control_block::e_vecdata, and exprtk::expression< T >::control_block::e_vecholder.

Friends And Related Symbol Documentation

function_compositor< T >

template<typename T >

friend class function_compositor< T >

friend

Definition at line 21625 of file exprtk.hpp.

Member Data Documentation

expr

template<typename T >

expression_ptr exprtk::expression< T >::control_block::expr

Definition at line 21621 of file exprtk.hpp.

Referenced by exprtk::expression_helper< T >::is_assert(), exprtk::expression_helper< T >::is_binary(), exprtk::expression_helper< T >::is_function(), exprtk::expression_helper< T >::is_literal(), exprtk::expression_helper< T >::is_null(), exprtk::expression_helper< T >::is_sf3ext(), exprtk::expression_helper< T >::is_sf4ext(), exprtk::expression_helper< T >::is_string(), exprtk::expression_helper< T >::is_unary(), exprtk::expression_helper< T >::is_vararg(), exprtk::expression_helper< T >::is_variable(), exprtk::expression_helper< T >::match_type_sequence(), exprtk::expression< T >::operator!(), exprtk::expression< T >::value(), and exprtk::expression< T >::control_block::~control_block().

local_data_list

template<typename T >

local_data_list_t exprtk::expression< T >::control_block::local_data_list

Definition at line 21622 of file exprtk.hpp.

Referenced by exprtk::expression< T >::local_data_list(), and exprtk::expression< T >::control_block::~control_block().

ref_count

template<typename T >

std::size_t exprtk::expression< T >::control_block::ref_count

Definition at line 21620 of file exprtk.hpp.

Referenced by exprtk::expression< T >::control_block::destroy(), exprtk::expression< T >::expression(), exprtk::expression< T >::operator=(), and exprtk::expression< T >::set_expression().

results

template<typename T >

results_context_t* exprtk::expression< T >::control_block::results

Definition at line 21623 of file exprtk.hpp.

Referenced by exprtk::expression< T >::register_return_results(), exprtk::expression< T >::results(), and exprtk::expression< T >::control_block::~control_block().

retinv_null

template<typename T >

bool exprtk::expression< T >::control_block::retinv_null

Definition at line 21624 of file exprtk.hpp.

return_invoked

template<typename T >

bool* exprtk::expression< T >::control_block::return_invoked

Definition at line 21625 of file exprtk.hpp.

Referenced by exprtk::expression< T >::return_invoked(), and exprtk::expression< T >::set_retinvk().

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The documentation for this struct was generated from the following file:

• exprtk/exprtk.hpp