rpnprogset Class Reference

#include <rpnfunc.h>

Inheritance diagram for rpnprogset:

Collaboration diagram for rpnprogset:

List of all members.

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

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Detailed Description

Definition at line 11 of file rpnfunc.h.

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Constructor & Destructor Documentation

rpnprogset::rpnprogset

(

)

[inline]

Definition at line 15 of file rpnfunc.h.

Referenced by copy().

{}

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

Definition at line 57 of file rpnfunc.cpp.

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

rpnprogset::~rpnprogset

(

)

[inline]

Definition at line 17 of file rpnfunc.h.

{}

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Member Function Documentation

rpnbase * rpnprogset::copy

(

)

const [virtual]

Reimplemented from rpnfunction.

Definition at line 68 of file rpnfunc.cpp.

References rpnprogset().

{
  return new rpnprogset(); 
}

void rpnprogset::eval

(

deque< rpnbase * > &

ds

)

[virtual]

Reimplemented from rpnfunction.

Definition at line 73 of file rpnfunc.cpp.

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

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

  dec();
}

string const rpnprogset::name

(

)

const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 23 of file rpnfunc.h.

{ return string("p@"); }

void rpnprogset::visit	(	deque< rpnbase * > &	ds,
		rpnprogram &	p
	)			[virtual]

Reimplemented from rpnfunction.

Definition at line 50 of file rpnfunc.cpp.

References rpnprogram::state.

{
  new rpninteger(ds,p.state);
}

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

Reimplemented from rpnfunction.

Definition at line 25 of file rpnfunc.cpp.

References rpnbase::dec(), rpnbase::isprogram(), rpninteger::num, and rpnprogram::state.

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

  rpnbase* x0 = ds.front();
  ds.pop_front();
  rpnbase* x1 = ds.front();
  bool restore(true);
  if (x1->isprogram())
  {
    rpnprogram * p = (rpnprogram*)x1;
    if ((n.num>=0)&&(n.num<4))
    { 
      restore=false;
      p->state = n.num;
      x0->dec();
    }
  }

  if (restore)
    ds.push_front(x0);
}

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

• rpn/rpnfunc.h
• rpn/rpnfunc.cpp