include/qore/CallReferenceNode.h (4311)

/* -*- mode: c++; indent-tabs-mode: nil -*- */
/*
 CallReferenceNode.h
 
 Qore Programming Language
 
 Copyright 2003 - 2011 David Nichols
 
 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.
 
 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef _QORE_FUNCTIONREFERENCENODE_H

#define _QORE_FUNCTIONREFERENCENODE_H


class AbstractCallReferenceNode : public AbstractQoreNode {
private:

   DLLLOCAL virtual AbstractQoreNode *realCopy() const;


   DLLLOCAL virtual bool is_equal_soft(const AbstractQoreNode *v, ExceptionSink *xsink) const;


   DLLLOCAL virtual bool is_equal_hard(const AbstractQoreNode *v, ExceptionSink *xsink) const;

protected:

   DLLLOCAL virtual AbstractQoreNode *evalImpl(ExceptionSink *xsink) const;


   DLLLOCAL virtual AbstractQoreNode *evalImpl(bool &needs_deref, ExceptionSink *xsink) const;


   DLLLOCAL virtual int64 bigIntEvalImpl(ExceptionSink *xsink) const;


   DLLLOCAL virtual int integerEvalImpl(ExceptionSink *xsink) const;


   DLLLOCAL virtual bool boolEvalImpl(ExceptionSink *xsink) const;


   DLLLOCAL virtual double floatEvalImpl(ExceptionSink *xsink) const;

   DLLLOCAL AbstractCallReferenceNode(bool n_needs_eval, bool n_there_can_be_only_one, qore_type_t n_type = NT_FUNCREF);

public:
   DLLLOCAL AbstractCallReferenceNode(bool n_needs_eval = false, qore_type_t n_type = NT_FUNCREF);

   DLLLOCAL virtual ~AbstractCallReferenceNode();


   DLLLOCAL virtual int getAsString(QoreString &str, int foff, ExceptionSink *xsink) const;


   DLLLOCAL virtual QoreString *getAsString(bool &del, int foff, ExceptionSink *xsink) const;

   DLLLOCAL virtual const char *getTypeName() const;

   DLLLOCAL static const char *getStaticTypeName() {
      return "call reference";
   }
};

class ResolvedCallReferenceNode : public AbstractCallReferenceNode {
public:
   DLLLOCAL ResolvedCallReferenceNode(bool n_needs_eval = false, qore_type_t n_type = NT_FUNCREF);


   DLLLOCAL virtual AbstractQoreNode *exec(const QoreListNode *args, ExceptionSink *xsink) const = 0;


   DLLLOCAL virtual QoreProgram *getProgram() const;

   DLLLOCAL virtual AbstractQoreFunction *getFunction() = 0;

   DLLLOCAL ResolvedCallReferenceNode *refRefSelf() const {
      ref();
      return const_cast<ResolvedCallReferenceNode *>(this);
   }
};

#endif