varrecall Class Reference

#include <rpnfunc.h>

Inheritance diagram for varrecall:

Collaboration diagram for varrecall:

List of all members.

Public Member Functions
	varrecall ()
	varrecall (deque< rpnbase * > &ds, bool const evaluate=true)
	~varrecall ()
rpnbase *	copy () const
void	visit (deque< rpnbase * > &ds, rpnstring &n)
void	visit (deque< rpnbase * > &ds, rpninteger &n)
string const	name () const
void	eval (deque< rpnbase * > &ds)

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Detailed Description

Definition at line 634 of file rpnfunc.h.

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Constructor & Destructor Documentation

varrecall::varrecall

(

)

[inline]

Definition at line 638 of file rpnfunc.h.

Referenced by copy().

{}

varrecall::varrecall	(	deque< rpnbase * > &	ds,
		bool const	evaluate = true
	)

Definition at line 1689 of file rpnfunc.cpp.

References eval().

{
  if (evaluate)
    eval(ds);
  else
    ds.push_front(this);
}

varrecall::~varrecall

(

)

[inline]

Definition at line 640 of file rpnfunc.h.

{}

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Member Function Documentation

rpnbase * varrecall::copy

(

)

const [virtual]

Reimplemented from rpnfunction.

Definition at line 1697 of file rpnfunc.cpp.

References varrecall().

{
  return new varrecall();
}

void varrecall::eval

(

deque< rpnbase * > &

ds

)

[virtual]

Reimplemented from rpnfunction.

Definition at line 1702 of file rpnfunc.cpp.

References rpnbase::accept(), and rpnbase::dec().

Referenced by varrecall().

{
  if (!ds.empty())
    ds[0]->accept(ds,*this);

  dec();
}

string const varrecall::name

(

)

const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 647 of file rpnfunc.h.

{ return string("rcl"); }

void varrecall::visit	(	deque< rpnbase * > &	ds,
		rpninteger &	n
	)			[virtual]

Reimplemented from rpnfunction.

Definition at line 1720 of file rpnfunc.cpp.

References rpnbase::dec(), and rpninteger::num.

{
  rpnbase* x0 = ds.front();
  ds.pop_front();

  if (n.num>=0)
  {
    unsigned int const n2 = (unsigned int)(n.num); 
    if (n2<ds.size())
      ds.push_front( ds[n.num]->copy() );
  }

  x0->dec();
}

void varrecall::visit	(	deque< rpnbase * > &	ds,
		rpnstring &	n
	)			[virtual]

Reimplemented from rpnfunction.

Definition at line 1710 of file rpnfunc.cpp.

References rpnbase::dec(), and rpnstring::str.

{
  rpnbase* x0 = ds.front();
  ds.pop_front();
  
  rpnprogramstackstate().recall(ds,s.str);

  x0->dec();
}

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The documentation for this class was generated from the following files:

• rpn/rpnfunc.h
• rpn/rpnfunc.cpp