QoreNumberNode.h

/* -*- mode: c++; indent-tabs-mode: nil -*- */
/*
    QoreNumberNode.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"),
    to deal in the Software without restriction, including without limitation
    the rights to use, copy, modify, merge, publish, distribute, sublicense,
    and/or sell copies of the Software, and to permit persons to whom the
    Software is furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    DEALINGS IN THE SOFTWARE.

    Note that the Qore library is released under a choice of three open-source
    licenses: MIT (as above), LGPL 2+, or GPL 2+; see README-LICENSE for more
    information.
*/

#ifndef _QORE_QORENUMBERNODE_H

#define _QORE_QORENUMBERNODE_H

class LocalVar;

#define QORE_NF_DEFAULT    0
#define QORE_NF_SCIENTIFIC (1 << 0)
#define QORE_NF_RAW        (1 << 1)


class QoreNumberNode : public SimpleValueQoreNode {
    friend hashdecl qore_number_private;

private:
    DLLLOCAL virtual bool getAsBoolImpl() const;

    DLLLOCAL virtual int getAsIntImpl() const;

    DLLLOCAL virtual int64 getAsBigIntImpl() const;

    DLLLOCAL virtual double getAsFloatImpl() const;

protected:
    hashdecl qore_number_private* priv;


    DLLEXPORT virtual ~QoreNumberNode();

    // private
    DLLLOCAL QoreNumberNode(struct qore_number_private* p);

public:
    DLLEXPORT QoreNumberNode(const QoreValue n);


    DLLEXPORT QoreNumberNode(double f);


    DLLEXPORT QoreNumberNode(int64 i);


    DLLEXPORT QoreNumberNode(const char* str);


    DLLEXPORT QoreNumberNode(const char* str, unsigned prec);

    DLLEXPORT QoreNumberNode();

    DLLEXPORT QoreNumberNode(const QoreNumberNode& old);


    DLLEXPORT virtual QoreString* getStringRepresentation(bool& del) const;


    DLLEXPORT virtual void getStringRepresentation(QoreString& str) const;


    DLLEXPORT virtual class DateTime *getDateTimeRepresentation(bool& del) const;


    DLLEXPORT virtual void getDateTimeRepresentation(DateTime& dt) const;


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


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


    DLLEXPORT virtual AbstractQoreNode* realCopy() const;


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


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


    DLLEXPORT virtual const char* getTypeName() const;

    DLLEXPORT QoreNumberNode* doPlus(const QoreNumberNode& n) const;

    DLLEXPORT QoreNumberNode* doMinus(const QoreNumberNode& n) const;

    DLLEXPORT QoreNumberNode* doMultiply(const QoreNumberNode& n) const;

    DLLEXPORT QoreNumberNode* doDivideBy(const QoreNumberNode& n, ExceptionSink* xsink) const;

    DLLEXPORT QoreNumberNode* doDivideBy(double d, ExceptionSink* xsink) const;

    DLLEXPORT QoreNumberNode* doDivideBy(int64 i, ExceptionSink* xsink) const;

    DLLEXPORT QoreNumberNode* negate() const;

    DLLEXPORT bool zero() const;

    DLLEXPORT int sign() const;

    DLLEXPORT bool lessThan(const QoreNumberNode& n) const;

    DLLEXPORT bool lessThan(double n) const;

    DLLEXPORT bool lessThan(int64 n) const;

    DLLEXPORT bool lessThanOrEqual(const QoreNumberNode& n) const;

    DLLEXPORT bool lessThanOrEqual(double n) const;

    DLLEXPORT bool lessThanOrEqual(int64 n) const;

    DLLEXPORT bool greaterThan(const QoreNumberNode& n) const;

    DLLEXPORT bool greaterThan(double n) const;

    DLLEXPORT bool greaterThan(int64 n) const;

    DLLEXPORT bool greaterThanOrEqual(const QoreNumberNode& n) const;

    DLLEXPORT bool greaterThanOrEqual(double n) const;

    DLLEXPORT bool greaterThanOrEqual(int64 n) const;

    DLLEXPORT bool equals(const QoreNumberNode& n) const;

    DLLEXPORT bool equals(double n) const;

    DLLEXPORT bool equals(int64 n) const;

    DLLEXPORT QoreNumberNode* numberRefSelf() const;


    DLLEXPORT void toString(QoreString& str, int fmt = QORE_NF_DEFAULT) const;

    DLLEXPORT unsigned getPrec() const;

    DLLEXPORT bool nan() const;

    DLLEXPORT bool inf() const;

    DLLEXPORT bool ordinary() const;

    DLLLOCAL virtual void parseInit(QoreValue& val, LocalVar *oflag, int pflag, int &lvids, const QoreTypeInfo *&returnTypeInfo);

    DLLEXPORT static QoreNumberNode* toNumber(const AbstractQoreNode* v);

    DLLEXPORT static QoreNumberNode* toNumber(const QoreValue v);


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

    DLLLOCAL static qore_type_t getStaticTypeCode() {
        return NT_NUMBER;
    }

    static const qore_type_t TYPE = NT_NUMBER;
};

class QoreNumberNodeHelper {
private:
   const QoreNumberNode* num;
   bool del;

   DLLLOCAL QoreNumberNodeHelper(const QoreNumberNodeHelper&); // not implemented
   DLLLOCAL QoreNumberNodeHelper& operator=(const QoreNumberNodeHelper&); // not implemented
   DLLLOCAL void* operator new(size_t); // not implemented, make sure it is not new'ed

public:
   DLLLOCAL QoreNumberNodeHelper(const QoreValue n);

   DLLLOCAL ~QoreNumberNodeHelper();


   DLLLOCAL const QoreNumberNode* operator->() { return num; }


   DLLLOCAL const QoreNumberNode* operator*() { return num; }


   DLLEXPORT QoreNumberNode* getReferencedValue();

   DLLLOCAL bool is_temp() const {
      return del;
   }
};

#endif