rpninsert Class Reference

#include <rpnfunc.h>

Inheritance diagram for rpninsert:

Collaboration diagram for rpninsert:

List of all members.

Public Member Functions
	rpninsert ()
	rpninsert (deque< rpnbase * > &ds, bool const evaluate=true)
	~rpninsert ()
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 1066 of file rpnfunc.h.

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Constructor & Destructor Documentation

rpninsert::rpninsert

(

)

[inline]

Definition at line 1070 of file rpnfunc.h.

Referenced by copy().

{}

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

Definition at line 3339 of file rpnfunc.cpp.

References eval().

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

rpninsert::~rpninsert

(

)

[inline]

Definition at line 1072 of file rpnfunc.h.

{}

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Member Function Documentation

rpnbase * rpninsert::copy

(

)

const [virtual]

Reimplemented from rpnfunction.

Definition at line 3347 of file rpnfunc.cpp.

References rpninsert().

{
  return new rpninsert(); 
}

void rpninsert::eval

(

deque< rpnbase * > &

ds

)

[virtual]

Reimplemented from rpnfunction.

Definition at line 3352 of file rpnfunc.cpp.

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

Referenced by rpninsert().

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

  dec();
}

string const rpninsert::name

(

)

const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 1077 of file rpnfunc.h.

{ return string("insert"); }

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

Reimplemented from rpnfunction.

Definition at line 3360 of file rpnfunc.cpp.

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

{
  if (ds.size()<2)
    return;

  if (n.num<0)
    return;

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

  if (k+2>ds.size())
    return;

  rpnbase* x0 = ds.front();
  ds.pop_front();
  rpnbase* x1 = ds.front();
  ds.pop_front();
 
  ds.insert(ds.begin()+k,x1);

  x0->dec();
}

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

• rpn/rpnfunc.h
• rpn/rpnfunc.cpp