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// function.cpp
// Revision 10-jul-2004
#include "function.h"
#include "error.h"
#include <vector>
#include <map>
class ParameterList::Internal {
public:
static Internal * getnew ();
void addref ();
void delref ();
void push_back (const std::string & name);
size_t size () const;
//const std::string & get (size_t n) const;
std::string get (size_t n) const;
private:
Internal ();
Internal (const Internal &); // Forbidden
~Internal () { }
void operator= (const Internal &); // Forbidden
size_t counter;
std::vector <std::string> element;
};
ParameterList::Internal::Internal () :
counter (1)
{
}
void ParameterList::Internal::addref ()
{
++counter;
}
void ParameterList::Internal::delref ()
{
if (--counter == 0)
delete this;
}
ParameterList::Internal * ParameterList::Internal::getnew ()
{
return new Internal;
}
void ParameterList::Internal::push_back (const std::string & name)
{
element.push_back (name);
}
size_t ParameterList::Internal::size () const
{
return element.size ();
}
//const std::string & ParameterList::Internal::get (size_t n) const
std::string ParameterList::Internal::get (size_t n) const
{
if (n >= element.size () )
throw ErrBlassicInternal;
return element [n];
}
ParameterList::ParameterList () :
pin (Internal::getnew () )
{
}
ParameterList::ParameterList (const ParameterList & pl) :
pin (pl.pin)
{
pin->addref ();
}
ParameterList::~ParameterList ()
{
pin->delref ();
}
ParameterList & ParameterList::operator= (const ParameterList & pl)
{
pl.pin->addref ();
pin->delref ();
pin= pl.pin;
return * this;
}
void ParameterList::push_back (const std::string & name)
{
pin->push_back (name);
}
size_t ParameterList::size () const
{
return pin->size ();
}
//const std::string & ParameterList::operator [] (size_t n) const
std::string ParameterList::operator [] (size_t n) const
{
return pin->get (n);
}
class Function::Internal {
public:
void addref ();
void delref ();
static Internal * getnew
(const std::string & strdef, const ParameterList & param)
{
return new Internal (strdef, param);
}
static Internal * getnew
(ProgramPos posfn, const ParameterList & param)
{
return new Internal (posfn, param);
}
DefType getdeftype () const { return deftype; }
CodeLine & getcode () { return code; }
ProgramPos getpos () const { return pos; }
const ParameterList & getparam () { return param; }
protected:
// Protected to avoid a warning on certain versions of gcc.
Internal (const std::string & strdef, const ParameterList & param);
~Internal () { }
private:
Internal (ProgramPos posfn, const ParameterList & param);
Internal (const Internal &); // Forbidden
void operator = (const Internal &); // Forbidden
size_t counter;
DefType deftype;
CodeLine code;
ProgramPos pos;
ParameterList param;
};
Function::Internal::Internal
(const std::string & strdef, const ParameterList & param) :
counter (1),
deftype (DefSingle),
param (param)
{
code.scan (strdef);
}
Function::Internal::Internal
(ProgramPos posfn, const ParameterList & param) :
counter (1),
deftype (DefMulti),
pos (posfn),
param (param)
{
}
void Function::Internal::addref ()
{
++counter;
}
void Function::Internal::delref ()
{
if (--counter == 0)
delete this;
}
Function::Function (const std::string & strdef, const ParameterList & param) :
pin (Internal::getnew (strdef, param) )
{
}
Function::Function (ProgramPos posfn, const ParameterList & param) :
pin (Internal::getnew (posfn, param) )
{
}
Function::Function (const Function & f) :
pin (f.pin)
{
pin->addref ();
}
Function::~Function ()
{
pin->delref ();
}
Function & Function::operator= (const Function & f)
{
f.pin->addref ();
pin->delref ();
pin= f.pin;
return * this;
}
Function::DefType Function::getdeftype () const
{
return pin->getdeftype ();
}
CodeLine & Function::getcode ()
{
return pin->getcode ();
}
ProgramPos Function::getpos () const
{
return pin->getpos ();
}
const ParameterList & Function::getparam ()
{
return pin->getparam ();
}
namespace {
typedef std::map <std::string, Function> mapfunction_t;
mapfunction_t mapfunction;
} // namespace
void Function::clear ()
{
mapfunction.clear ();
}
void Function::insert (const std::string & name)
{
mapfunction_t::iterator it=
mapfunction.find (name);
if (it != mapfunction.end () )
it->second= * this;
else
mapfunction.insert (std::make_pair (name, * this) );
}
Function & Function::get (const std::string & name)
{
mapfunction_t::iterator it=
mapfunction.find (name);
if (it != mapfunction.end () )
return it->second;
throw ErrFunctionNoDefined;
}
// Fin de function.cpp
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