ReferenceArgumentHelper.h
/* -*- mode: c++; indent-tabs-mode: nil -*- */
/*
ReferenceArgumentHelper.h
Qore Programming Language
Copyright (C) 2003 - 2018 Qore Technologies, s.r.o.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
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DEALINGS IN THE SOFTWARE.
Note that the Qore library is released under a choice of three open-source
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*/
#ifndef _QORE_REFERENCEARGUMENTHELPER_H
#define _QORE_REFERENCEARGUMENTHELPER_H
class ReferenceArgumentHelper {
private:
struct lvih_intern *priv;
DLLLOCAL ReferenceArgumentHelper(const ReferenceArgumentHelper&);
DLLLOCAL ReferenceArgumentHelper& operator=(const ReferenceArgumentHelper&);
public:
DLLEXPORT ReferenceArgumentHelper(QoreValue val, ExceptionSink* xsink);
DLLEXPORT ReferenceArgumentHelper(QoreValue val, const QoreTypeInfo* typeInfo, ExceptionSink* xsink);
DLLEXPORT ~ReferenceArgumentHelper();
DLLEXPORT ReferenceNode* getArg() const;
DLLEXPORT QoreValue getOutputValue();
};
#endif
ReferenceArgumentHelper::getArg
DLLEXPORT ReferenceNode * getArg() const
returns the reference to the fake local variable for use in an argument list, the caller owns the ref...
ReferenceArgumentHelper
allows a reference to be passed as an argument to Qore code
Definition: ReferenceArgumentHelper.h:58
ReferenceNode
parse type: reference to a lvalue expression
Definition: ReferenceNode.h:45
QoreValue
The main value class in Qore, designed to be passed by value.
Definition: QoreValue.h:267
ExceptionSink
container for holding Qore-language exception information and also for registering a "thread_exit" ca...
Definition: ExceptionSink.h:48
ReferenceArgumentHelper::~ReferenceArgumentHelper
DLLEXPORT ~ReferenceArgumentHelper()
frees all memory still managed by the object
ReferenceArgumentHelper::getOutputValue
DLLEXPORT QoreValue getOutputValue()
returns the value of the reference and leaves the reference empty, the caller owns the reference retu...