rpnpushn Class Reference

#include <rpnfunc.h>

Inheritance diagram for rpnpushn:

Collaboration diagram for rpnpushn:

List of all members.

Public Member Functions
	rpnpushn ()
	rpnpushn (deque< rpnbase * > &ds, bool const evaluate=true)
	~rpnpushn ()
rpnbase *	copy () const
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 56 of file rpnfunc.h.

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Constructor & Destructor Documentation

rpnpushn::rpnpushn

(

)

[inline]

Definition at line 60 of file rpnfunc.h.

Referenced by copy().

{}

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

Definition at line 140 of file rpnfunc.cpp.

References eval().

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

rpnpushn::~rpnpushn

(

)

[inline]

Definition at line 62 of file rpnfunc.h.

{}

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Member Function Documentation

rpnbase * rpnpushn::copy

(

)

const [virtual]

Reimplemented from rpnfunction.

Definition at line 148 of file rpnfunc.cpp.

References rpnpushn().

{
  return new rpnpushn(); 
}

void rpnpushn::eval

(

deque< rpnbase * > &

ds

)

[virtual]

Reimplemented from rpnfunction.

Definition at line 153 of file rpnfunc.cpp.

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

Referenced by rpnpushn().

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

  dec();
}

string const rpnpushn::name

(

)

const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 67 of file rpnfunc.h.

{ return string("pushn"); }

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

Reimplemented from rpnfunction.

Definition at line 161 of file rpnfunc.cpp.

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

{
  if (k.num<0)
    return;

  unsigned int n = (unsigned int)(k.num);

  if (ds.size()<=n)
    return;

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

  if (n==0)
    return;

  for (unsigned int i=0, imax=k.num; i<imax; ++i)
  {
    rpnprogramstackstate().ds2.push_front(ds.front());
    ds.pop_front();
  }

  x0->dec();
}

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

• rpn/rpnfunc.h
• rpn/rpnfunc.cpp