00001 /* 00002 ReferenceNode.h 00003 00004 Qore Programming Language 00005 00006 Copyright 2003 - 2009 David Nichols 00007 00008 This library is free software; you can redistribute it and/or 00009 modify it under the terms of the GNU Lesser General Public 00010 License as published by the Free Software Foundation; either 00011 version 2.1 of the License, or (at your option) any later version. 00012 00013 This library is distributed in the hope that it will be useful, 00014 but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00016 Lesser General Public License for more details. 00017 00018 You should have received a copy of the GNU Lesser General Public 00019 License along with this library; if not, write to the Free Software 00020 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00021 */ 00022 00023 #ifndef _QORE_REFERENCENODE_H 00024 00025 #define _QORE_REFERENCENODE_H 00026 00027 #include <qore/AbstractQoreNode.h> 00028 00030 00036 class ReferenceNode : public SimpleValueQoreNode 00037 { 00038 protected: 00040 AbstractQoreNode *lvexp; 00041 00043 DLLEXPORT virtual ~ReferenceNode(); 00044 00045 public: 00047 00049 DLLLOCAL ReferenceNode(AbstractQoreNode *exp); 00050 00052 00058 DLLEXPORT virtual int getAsString(QoreString &str, int foff, class ExceptionSink *xsink) const; 00059 00061 00067 DLLEXPORT virtual QoreString *getAsString(bool &del, int foff, class ExceptionSink *xsink) const; 00068 00070 DLLEXPORT virtual AbstractQoreNode *realCopy() const; 00071 00073 DLLEXPORT virtual bool is_equal_soft(const AbstractQoreNode *v, ExceptionSink *xsink) const; 00074 00076 DLLEXPORT virtual bool is_equal_hard(const AbstractQoreNode *v, ExceptionSink *xsink) const; 00077 00079 DLLEXPORT virtual const char *getTypeName() const; 00080 00082 00084 DLLLOCAL AbstractQoreNode *getExpression() const 00085 { 00086 return lvexp; 00087 } 00088 00090 DLLLOCAL AbstractQoreNode **getExpressionPtr(); 00091 }; 00092 00093 #endif