thenif Class Reference

#include <rpnfunc.h>

Inheritance diagram for thenif:

Collaboration diagram for thenif:

List of all members.

Public Member Functions
	thenif ()
	thenif (deque< rpnbase * > &ds, bool const evaluate=true)
	~thenif ()
rpnbase *	copy () const
void	visit (deque< rpnbase * > &ds, rpnreal &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 355 of file rpnfunc.h.

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Constructor & Destructor Documentation

thenif::thenif

(

)

[inline]

Definition at line 359 of file rpnfunc.h.

Referenced by copy().

{}

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

Definition at line 786 of file rpnfunc.cpp.

References eval().

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

thenif::~thenif

(

)

[inline]

Definition at line 361 of file rpnfunc.h.

{}

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Member Function Documentation

rpnbase * thenif::copy

(

)

const [virtual]

Reimplemented from rpnfunction.

Definition at line 794 of file rpnfunc.cpp.

References thenif().

{
  return new thenif();
}

void thenif::eval

(

deque< rpnbase * > &

ds

)

[virtual]

Reimplemented from rpnfunction.

Definition at line 799 of file rpnfunc.cpp.

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

Referenced by thenif().

{
  if( ds.size()>1)
    ds[0]->accept(ds,*this);
  
  dec();
}

string const thenif::name

(

)

const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 367 of file rpnfunc.h.

{ return string("thenif"); }

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

Reimplemented from rpnfunction.

Definition at line 823 of file rpnfunc.cpp.

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

{
  rpnbase* x0 = ds.front();
  ds.pop_front();
  // x0 is a pointer to n 
  rpnbase* x1 = ds.front();
  ds.pop_front();

  if (n.num != 0)
    x1->eval(ds);
  else
    x1->dec();

  x0->dec();
}

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

Reimplemented from rpnfunction.

Definition at line 807 of file rpnfunc.cpp.

References rpnbase::dec(), rpnbase::eval(), and rpnreal::num.

{
  rpnbase* x0 = ds.front();
  ds.pop_front();
  // x0 is a pointer to n 
  rpnbase* x1 = ds.front();
  ds.pop_front();

  if (n.num != 0)
    x1->eval(ds);
  else
    x1->dec();

  x0->dec();
}

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

• rpn/rpnfunc.h
• rpn/rpnfunc.cpp