IntegerClass.hpp

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/******************************************************************************/
/* REXX Kernel                                           IntegerClass.hpp     */
/*                                                                            */
/* Primitive Integer Class Definitions                                        */
/*                                                                            */
/******************************************************************************/
#ifndef Included_RexxInteger
#define Included_RexxInteger
 
#include "NumberStringClass.hpp"
 
void integer_create (void);
#define INTEGERCACHELOW  -10
#define INTEGERCACHESIZE 100
#define MAX_INTEGER_LENGTH 10
 
class RexxIntegerClass;
 
class RexxInteger : public RexxObject {
 public:
  inline RexxInteger(RESTORETYPE restoreType) { ; };
  inline RexxInteger(wholenumber_t intValue) { this->value = intValue; };
  inline void *operator new(size_t size, void *ptr) {return ptr;};
  void *operator new(size_t);
  void live(size_t);
  void liveGeneral(int reason);
  void flatten(RexxEnvelope*);
  virtual HashCode getHashValue();
  virtual wholenumber_t compareTo(RexxObject *);
 
  bool         numberValue(wholenumber_t &result, size_t precision);
  bool         numberValue(wholenumber_t &result);
  bool         unsignedNumberValue(stringsize_t &result, size_t precision);
  bool         unsignedNumberValue(stringsize_t &result);
  bool         doubleValue(double &result);
 
  RexxNumberString *numberString();
  RexxInteger *integerValue(size_t);
  RexxString  *makeString();
  void         copyIntoTail(RexxCompoundTail *);
  RexxInteger *hasMethod(RexxString *);
  RexxString  *primitiveMakeString();
  RexxString  *stringValue();
  RexxArray   *makeArray();
  bool         truthValue(int);
  virtual bool logicalValue(logical_t &);
  bool         isInstanceOf(RexxClass *);
  RexxMethod   *instanceMethod(RexxString *);
  RexxSupplier *instanceMethods(RexxClass *);
 
  bool        isEqual(RexxObject *);
  wholenumber_t strictComp(RexxObject *, RexxString *alternativeOperator=OREF_NULL, RexxInteger **alternativeOperatorResultPtr=NULL);
  wholenumber_t comp(RexxObject *other, RexxString *alternativeOperator=OREF_NULL, RexxInteger **alternativeOperatorResultPtr=NULL);
 
  RexxInteger *equal(RexxObject *);
  RexxInteger *strictEqual(RexxObject *);
  RexxInteger *notEqual(RexxObject *);
  RexxInteger *strictNotEqual(RexxObject *);
  RexxInteger *isGreaterThan(RexxObject *);
  RexxInteger *isLessThan(RexxObject *);
  RexxInteger *isGreaterOrEqual(RexxObject *);
  RexxInteger *isLessOrEqual(RexxObject *);
  RexxInteger *strictGreaterThan(RexxObject *);
  RexxInteger *strictLessThan(RexxObject *);
  RexxInteger *strictGreaterOrEqual(RexxObject *);
  RexxInteger *strictLessOrEqual(RexxObject *);
  RexxObject  *hashCode();
 
  RexxObject *unknown(RexxString *, RexxArray *, RexxDirectory *);
  RexxObject *plus(RexxInteger *);
  RexxObject *minus(RexxInteger *);
  RexxObject *multiply(RexxInteger *);
  RexxObject *divide(RexxInteger *);
  RexxObject *integerDivide(RexxInteger *);
  RexxObject *remainder(RexxInteger *);
  RexxObject *power(RexxObject *);
  RexxObject *notOp();
  RexxObject *operatorNot(RexxObject *);
  RexxObject *andOp(RexxObject *);
  RexxObject *orOp(RexxObject *);
  RexxObject *xorOp(RexxObject *);
 
  RexxObject *abs();
  RexxObject *sign();
  RexxObject *Max(RexxObject **, size_t, size_t);
  RexxObject *Min(RexxObject **, size_t, size_t);
  RexxObject *trunc(RexxObject *);
  RexxObject *floor();
  RexxObject *ceiling();
  RexxObject *round();
  RexxObject *format(RexxObject *, RexxObject *, RexxObject *, RexxObject *);
  RexxObject *d2c(RexxObject *);
  RexxObject *d2x(RexxObject *);
  RexxObject *evaluate(RexxActivation *, RexxExpressionStack *);
  RexxObject *getValue(RexxActivation *);
  RexxObject *getValue(RexxVariableDictionary *);
  RexxObject *getRealValue(RexxActivation *);
  RexxObject *getRealValue(RexxVariableDictionary *);
  RexxString *concat(RexxString *);
  RexxString *concatBlank(RexxString *);
  void        setString(RexxString *string);
  RexxClass  *classObject();
                                       /* numberstring operator forwarders  */
  koper (integer_operator_not)
 
  inline wholenumber_t getValue() {return this->value;}
  inline wholenumber_t wholeNumber() {return this->value;}
  inline stringsize_t stringSize() {return (stringsize_t)this->value;}
  inline wholenumber_t incrementValue() {return ++this->value;}
  inline wholenumber_t decrementValue() {return --this->value;}
  inline RexxString *getStringrep() {return this->stringrep;}
 
  static void createInstance();
  static PCPPM operatorMethods[];
  static RexxIntegerClass *classInstance;
 
  static RexxInteger *falseObject;
  static RexxInteger *trueObject;
  static RexxInteger *nullPointer;
 
  static RexxInteger *integerZero;
  static RexxInteger *integerOne;
  static RexxInteger *integerTwo;
  static RexxInteger *integerThree;
  static RexxInteger *integerFour;
  static RexxInteger *integerFive;
  static RexxInteger *integerSix;
  static RexxInteger *integerSeven;
  static RexxInteger *integerEight;
  static RexxInteger *integerNine;
  static RexxInteger *integerMinusOne;
 
protected:
 
    RexxString *stringrep;              /* integer string representation     */
    wholenumber_t value;                /* actual integer value              */
 
    static wholenumber_t validMaxWhole[];  // table of maximum values per digits setting
};
 
class RexxIntegerClass : public RexxClass {
 public:
  RexxIntegerClass(RESTORETYPE restoreType) { ; };
  void *operator new(size_t size, void *ptr) {return ptr;};
  void *operator new (size_t);
  void *operator new(size_t size, size_t size1, const char *className, RexxBehaviour *classBehave, RexxBehaviour *instance) { return new (size, className, classBehave, instance) RexxClass; }
  inline void operator delete(void *, void *ptr) { }
  inline void operator delete (void *) { }
  inline void operator delete(void *, size_t, const char *, RexxBehaviour *, RexxBehaviour *) { }
 
  RexxIntegerClass();
  inline RexxInteger *newCache(wholenumber_t value) {if (value >= INTEGERCACHELOW && value < INTEGERCACHESIZE)
                                       return this->integercache[value - INTEGERCACHELOW];
                                     else
                                       return new RexxInteger (value); };
  void live(size_t);
  void liveGeneral(int reason);
                                     /* array of fast aloocation integers 0-99      */
  RexxInteger *integercache[INTEGERCACHESIZE - INTEGERCACHELOW];
};
 
 
inline RexxInteger *new_integer(wholenumber_t v) { return TheIntegerClass->newCache(v); }
#endif