varinc Class Reference

#include <rpnfunc.h>

Inheritance diagram for varinc:

Collaboration diagram for varinc:

List of all members.

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

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Detailed Description

Definition at line 565 of file rpnfunc.h.

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Constructor & Destructor Documentation

varinc::varinc

(

)

[inline]

Definition at line 569 of file rpnfunc.h.

Referenced by copy().

{}

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

Definition at line 1446 of file rpnfunc.cpp.

References eval().

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

varinc::~varinc

(

)

[inline]

Definition at line 571 of file rpnfunc.h.

{}

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Member Function Documentation

rpnbase * varinc::copy

(

)

const [virtual]

Reimplemented from rpnfunction.

Definition at line 1454 of file rpnfunc.cpp.

References varinc().

{
  return new varinc();
}

void varinc::eval

(

deque< rpnbase * > &

ds

)

[virtual]

Reimplemented from rpnfunction.

Definition at line 1459 of file rpnfunc.cpp.

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

Referenced by varinc().

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

  dec();
}

string const varinc::name

(

)

const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 578 of file rpnfunc.h.

{ return string("++"); }

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

Reimplemented from rpnfunction.

Definition at line 1473 of file rpnfunc.cpp.

References rpnreal::num.

{
  n.num += 1;
}

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

Reimplemented from rpnfunction.

Definition at line 1468 of file rpnfunc.cpp.

References rpninteger::num.

{
  n.num += 1;
}

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

Reimplemented from rpnfunction.

Definition at line 1478 of file rpnfunc.cpp.

References rpnbase::dec(), rpnbase::inc(), rpnbase::isinteger(), rpnbase::isreal(), rpnstring::str, and rpnvar::x.

{
  rpnbase* x0 = ds.front();
  ds.pop_front();
  
  bool res;
  unsigned int i,k;
  rpnvar* x;

  rpnprogramstackstate().find(res,i,k,x,s.str);
  if (res)
  {
    bool foundtype(false);

    rpnbase* w = x->x;
    if (w->isinteger())
    {
      ((rpninteger*)w)->num += 1;
      foundtype=true;
    }
    else
    if (w->isreal())
    {
      ((rpnreal*)w)->num += 1;
      foundtype=true;
    }

    if (foundtype)
    {
      w->inc();
      ds.push_front(w);
    }
  }

  x0->dec();
}

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

• rpn/rpnfunc.h
• rpn/rpnfunc.cpp