vareval Class Reference

#include <rpnfunc.h>

Inheritance diagram for vareval:

Collaboration diagram for vareval:

List of all members.

Public Member Functions
	vareval ()
	vareval (deque< rpnbase * > &ds, bool const evaluate=true)
	~vareval ()
rpnbase *	copy () const
void	visit (deque< rpnbase * > &ds, rpnstring &n)
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 438 of file rpnfunc.h.

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Constructor & Destructor Documentation

vareval::vareval

(

)

[inline]

Definition at line 442 of file rpnfunc.h.

Referenced by copy().

{}

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

Definition at line 1114 of file rpnfunc.cpp.

References eval().

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

vareval::~vareval

(

)

[inline]

Definition at line 444 of file rpnfunc.h.

{}

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Member Function Documentation

rpnbase * vareval::copy

(

)

const [virtual]

Reimplemented from rpnfunction.

Definition at line 1122 of file rpnfunc.cpp.

References vareval().

{
  return new vareval();
}

void vareval::eval

(

deque< rpnbase * > &

ds

)

[virtual]

Reimplemented from rpnfunction.

Definition at line 1127 of file rpnfunc.cpp.

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

Referenced by vareval().

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

  dec();
}

string const vareval::name

(

)

const [inline, virtual]

Reimplemented from rpnfunction.

Definition at line 451 of file rpnfunc.h.

{ return string("&"); }

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

Reimplemented from rpnfunction.

Definition at line 1165 of file rpnfunc.cpp.

References rpnbase::eval().

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

  x0->eval(ds);
}

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

Reimplemented from rpnfunction.

Definition at line 1145 of file rpnfunc.cpp.

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

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

  if (n.num>=0)
  {
    unsigned int const n2 = (unsigned int)(n.num); 
    if (n2<ds.size())
    {
      rpnbase * x = ds[n.num]->copy();
      x->eval(ds);
    }
  }

  x0->dec();
}

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

Reimplemented from rpnfunction.

Definition at line 1135 of file rpnfunc.cpp.

References rpnbase::dec(), and rpnstring::str.

{
  rpnbase* x0 = ds.front();
  ds.pop_front();
  
  rpnprogramstackstate().evaluate(ds,s.str);

  x0->dec();
}

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

• rpn/rpnfunc.h
• rpn/rpnfunc.cpp