#include <FortranInstance.h>

Inheritance diagram for gen::FortranInstance:

Classes
struct	InstanceWrapper
Public Member Functions
void	call (void(&fn)())
template<typename T >
T	call (T(&fn)())
template<typename T , typename A1 , typename A2 >
T	call (T(&fn)(A1, A2), A1 a1, A2 a2)
template<typename A >
void	call (void(&fn)(A), A a)
template<typename T , typename A >
T	call (T(&fn)(A), A a)
template<typename A1 , typename A2 >
void	call (void(&fn)(A1, A2), A1 a1, A2 a2)
virtual void	enter ()
	FortranInstance ()
virtual void	leave ()
virtual void	upEvnt ()
virtual void	upInit ()
virtual bool	upVeto ()
virtual	~FortranInstance ()
Static Public Member Functions
template<typename T >
static T *	getInstance ()
Static Private Member Functions
static void	throwMissingInstance ()
Private Attributes
int	instanceNesting
Static Private Attributes
static FortranInstance *	currentInstance = 0
Friends
void	gen::upevnt_ ()
void	gen::upinit_ ()
void	gen::upveto_ (int *)

Detailed Description

Definition at line 13 of file FortranInstance.h.

Constructor & Destructor Documentation

gen::FortranInstance::FortranInstance ( ) [inline]

Definition at line 15 of file FortranInstance.h.

: instanceNesting(0) {}

gen::FortranInstance::~FortranInstance ( ) [virtual]

Definition at line 36 of file FortranInstance.cc.

References currentInstance, and edm::friendlyname::friendlyName().

{
        if (currentInstance == this) {
                edm::LogWarning("ReentrancyProblem")
                        << edm::friendlyname::friendlyName(typeid(*this).name())
                        << " destroyed while it was the "
                           "current active instance." << std::endl;
                currentInstance = 0;
        }
}

Member Function Documentation

void gen::FortranInstance::call ( void(&)() fn ) [inline]

Definition at line 18 of file FortranInstance.h.

References wrapper.

Referenced by Herwig6Hadronizer::clear(), gen::PomwigHadronizer::clear(), gen::Pythia6Hadronizer::imposeProperTime(), gen::Cascade2Hadronizer::imposeProperTime(), Herwig6Hadronizer::initialize(), gen::PomwigHadronizer::initializeForInternalPartons(), Herwig6Hadronizer::initializeForInternalPartons(), Herwig6Hadronizer::readSettings(), and gen::PomwigHadronizer::readSettings().

        { InstanceWrapper wrapper(this); fn(); }

template<typename T >

T gen::FortranInstance::call ( T(&)() fn ) [inline]

Definition at line 20 of file FortranInstance.h.

References wrapper.

        { InstanceWrapper wrapper(this); return fn(); }

template<typename T , typename A >

T gen::FortranInstance::call	(	T(&)(A)	fn,
		A	a
	)		`[inline]`

Definition at line 24 of file FortranInstance.h.

References wrapper.

        { InstanceWrapper wrapper(this); return fn(a); }

template<typename A1 , typename A2 >

void gen::FortranInstance::call	(	void(&)(A1, A2)	fn,
		A1	a1,
		A2	a2
	)		`[inline]`

Definition at line 26 of file FortranInstance.h.

References wrapper.

        { InstanceWrapper wrapper(this); fn(a1, a2); }

template<typename A >

void gen::FortranInstance::call	(	void(&)(A)	fn,
		A	a
	)		`[inline]`

Definition at line 22 of file FortranInstance.h.

References wrapper.

        { InstanceWrapper wrapper(this); fn(a); }

template<typename T , typename A1 , typename A2 >

T gen::FortranInstance::call	(	T(&)(A1, A2)	fn,
		A1	a1,
		A2	a2
	)		`[inline]`

Definition at line 28 of file FortranInstance.h.

References wrapper.

        { InstanceWrapper wrapper(this); return fn(a1, a2); }

void gen::FortranInstance::enter ( ) [virtual]

Reimplemented in gen::Pythia6Service.

Definition at line 49 of file FortranInstance.cc.

References Exception, edm::friendlyname::friendlyName(), and edm::errors::LogicError.

Referenced by gen::FortranInstance::InstanceWrapper::InstanceWrapper().

{
        // we should add a boost::mutex here if we care about being
        // multithread-safe
        if (currentInstance && currentInstance != this)
                throw edm::Exception(edm::errors::LogicError)
                        << edm::friendlyname::friendlyName(typeid(*this).name())
                        << "::enter() called from a different "
                           "instance while an instance was already active."
                        << std::endl;

        if (!currentInstance && instanceNesting != 0)
                throw edm::Exception(edm::errors::LogicError)
                        << edm::friendlyname::friendlyName(typeid(*this).name())
                        << "::enter() called on an empty "
                           "instance, but instance counter is nonzero."
                        << std::endl;

        currentInstance = this;
        instanceNesting++;
}

template<typename T >

static T* gen::FortranInstance::getInstance ( ) [inline, static]

Definition at line 56 of file FortranInstance.h.

References currentInstance, instance, and throwMissingInstance().

Referenced by gen::Pythia6ServiceWithCallback::upEvnt(), and gen::Pythia6ServiceWithCallback::upInit().

        {
                T *instance = dynamic_cast<T*>(currentInstance);
                if (!instance)
                        throwMissingInstance();
                return instance;
        }

void gen::FortranInstance::leave ( ) [virtual]

Definition at line 71 of file FortranInstance.cc.

References Exception, edm::friendlyname::friendlyName(), and edm::errors::LogicError.

Referenced by gen::FortranInstance::InstanceWrapper::~InstanceWrapper().

{
        if (!currentInstance)
                throw edm::Exception(edm::errors::LogicError)
                        << edm::friendlyname::friendlyName(typeid(*this).name())
                        << "::leave() called without an "
                           "active instance." << std::endl;
        else if (currentInstance != this)
                throw edm::Exception(edm::errors::LogicError)
                        << edm::friendlyname::friendlyName(typeid(*this).name())
                        << "::leave() called from a "
                           "different instance." << std::endl;
        else if (instanceNesting <= 0)
                throw edm::Exception(edm::errors::LogicError)
                        << edm::friendlyname::friendlyName(typeid(*this).name())
                        << "::leave() called with a "
                           "nesting level of zero." << std::endl;

        if (--instanceNesting == 0)
                currentInstance = 0;
}

void gen::FortranInstance::throwMissingInstance ( ) [static, private]

Definition at line 93 of file FortranInstance.cc.

References Exception, and edm::errors::LogicError.

Referenced by getInstance().

{
        throw edm::Exception(edm::errors::LogicError)
                << "FortranInstance::getInstance() called from "
                   "a Fortran context, but no current instance "
                   "has been registered." << std::endl;
}

void gen::FortranInstance::upEvnt ( ) [virtual]

Reimplemented in gen::Pythia6ServiceWithCallback, Herwig6Hadronizer, and gen::Pythia6ServiceWithCallback.

Definition at line 112 of file FortranInstance.cc.

References Exception, and edm::friendlyname::friendlyName().

{
        throw cms::Exception("UnimplementedCallback")
                << edm::friendlyname::friendlyName(typeid(*this).name())
                << "::upEvnt() stub called. "
                   "If user process needs to be generated, please derive "
                   "and implement the upEvnt() method." << std::endl;
}

void gen::FortranInstance::upInit ( ) [virtual]

Reimplemented in gen::Pythia6ServiceWithCallback, Herwig6Hadronizer, and gen::Pythia6ServiceWithCallback.

Definition at line 103 of file FortranInstance.cc.

References Exception, and edm::friendlyname::friendlyName().

{
        throw cms::Exception("UnimplementedCallback")
                << edm::friendlyname::friendlyName(typeid(*this).name())
                << "::upInit() stub called. "
                   "If user process needs to be generated, please derive "
                   "and implement the upInit() method." << std::endl;
}