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/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/*----------------------------------------------------------------------------*/
/******************************************************************************/
/* REXX Kernel IntegerClass.c */
/* */
/* Primitive Integer Class */
/* */
/******************************************************************************/
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include "RexxCore.h"
#include "StringClass.hpp"
#include "ArrayClass.hpp"
#include "RexxActivation.hpp"
#include "RexxActivity.hpp"
#include "Numerics.hpp"
#include "RexxCompoundTail.hpp"
// singleton class instance
RexxIntegerClass *RexxInteger::classInstance = OREF_NULL;
RexxInteger *RexxInteger::falseObject = OREF_NULL;
RexxInteger *RexxInteger::trueObject = OREF_NULL;
RexxInteger *RexxInteger::nullPointer = OREF_NULL;
RexxInteger *RexxInteger::integerZero = OREF_NULL;
RexxInteger *RexxInteger::integerOne = OREF_NULL;
RexxInteger *RexxInteger::integerTwo = OREF_NULL;
RexxInteger *RexxInteger::integerThree = OREF_NULL;
RexxInteger *RexxInteger::integerFour = OREF_NULL;
RexxInteger *RexxInteger::integerFive = OREF_NULL;
RexxInteger *RexxInteger::integerSix = OREF_NULL;
RexxInteger *RexxInteger::integerSeven = OREF_NULL;
RexxInteger *RexxInteger::integerEight = OREF_NULL;
RexxInteger *RexxInteger::integerNine = OREF_NULL;
RexxInteger *RexxInteger::integerMinusOne = OREF_NULL;
/* define an operator forwarding */
/* method */
#define string_forwarder_cpp(method)\
RexxObject *RexxInteger::##method(RexxObject *operand)\
{\
return (RexxObject *)this->string()->method(operand);\
}
/**
* Get the primitive hash value of this String object.
*
* @return The calculated string hash for the string.
*/
HashCode RexxInteger::getHashValue()
{
return stringValue()->getHashValue();
}
void RexxInteger::live(size_t liveMark)
/******************************************************************************/
/* Function: Normal garbage collection live marking */
/******************************************************************************/
{
memory_mark(this->objectVariables);
memory_mark(this->stringrep);
}
void RexxInteger::liveGeneral(int reason)
/******************************************************************************/
/* Function: Generalized object marking */
/******************************************************************************/
{
memory_mark_general(this->objectVariables);
memory_mark_general(this->stringrep);
}
void RexxInteger::flatten(RexxEnvelope *envelope)
/******************************************************************************/
/* Function: Flatten an object */
/******************************************************************************/
{
setUpFlatten(RexxInteger)
flatten_reference(newThis->objectVariables, envelope);
flatten_reference(newThis->stringrep, envelope);
cleanUpFlatten
}
RexxString *RexxInteger::makeString()
/******************************************************************************/
/* Function: Handle a REQUEST('STRING') request for a REXX integer object */
/******************************************************************************/
{
return this->stringValue(); /* return the string value */
}
RexxInteger *RexxInteger::hasMethod(RexxString *methodName)
/******************************************************************************/
/* Function: Handle a HASMETHOD request for an integer */
/******************************************************************************/
{
/* return the string value's answer */
return this->stringValue()->hasMethod(methodName);
}
RexxString *RexxInteger::primitiveMakeString()
/******************************************************************************/
/* Function: Handle a REQUEST('STRING') request for a REXX integer object */
/******************************************************************************/
{
if (this->stringrep != OREF_NULL) /* have a string already? */
{
return this->stringrep; /* return it directly */
}
char stringBuffer[32]; /* integer formatting buffer */
/* convert value into string */
Numerics::formatWholeNumber(this->value, stringBuffer);
/* return as a string */
RexxString *string = new_string(stringBuffer, strlen(stringBuffer));
/* cache this away for later */
OrefSet(this, this->stringrep, string);
this->setHasReferences(); // now have references that need marking
return string; /* return the new string */
}
RexxString *RexxInteger::stringValue()
/******************************************************************************/
/* Function: Return the string value for an integer */
/******************************************************************************/
{
if (this->stringrep != OREF_NULL) /* have a string already? */
{
return this->stringrep; /* return it directly */
}
char stringBuffer[32]; /* integer formatting buffer */
/* convert value into string */
Numerics::formatWholeNumber(this->value, stringBuffer);
/* return as a string */
RexxString *string = new_string(stringBuffer, strlen(stringBuffer));
/* cache this away for later */
OrefSet(this, this->stringrep, string);
this->setHasReferences(); /* we now have references */
return string; /* return the new string */
}
void RexxInteger::copyIntoTail(RexxCompoundTail *tail)
/******************************************************************************/
/* Function: Copy the value of an integer into a compound variable name */
/******************************************************************************/
{
if (this->stringrep != OREF_NULL) /* have a string already? */
{
/* copying directly from an existing string rep is faster */
/* than formatting a new value and copying. */
tail->append(stringrep->getStringData(), stringrep->getLength());
return;
}
char stringBuffer[32]; /* integer formatting buffer */
/* convert value into string */
Numerics::formatWholeNumber(this->value, stringBuffer);
/* append this to the buffer */
tail->append(stringBuffer, strlen(stringBuffer));
}
RexxNumberString *RexxInteger::numberString()
/******************************************************************************/
/* Function: Convert an integer into a numberstring value */
/******************************************************************************/
{
if (this->stringrep != OREF_NULL) /* have a cached string value? */
{
/* use its numberstring value */
return this->stringrep->numberString();
}
else /* create a new numberstring */
{
return(RexxNumberString *)new_numberstringFromWholenumber((wholenumber_t)this->value);
}
}
/**
* Convert an integer object into a double value.
*
* @param value The returned value.
*
* @return true if this converted ok, false for any errors. This always
* returns true for the Integer class.
*/
bool RexxInteger::doubleValue(double &result)
{
// just let the compiler convert
result = (double)this->wholeNumber();
return true;
}
/**
* Convert an integer object into a whole number value using the
* default digits setting.
*
* @param result The returned result.
*
* @return true if the number converts ok under the current digits setting. false
* for any conversion errors.
*/
bool RexxInteger::numberValue(wholenumber_t &result)
{
/* is the long value expressable as a*/
/* whole number in REXX term. */
if (Numerics::abs(value) > Numerics::MAX_WHOLENUMBER)
{
return false; /* nope, not a valid long. */
}
result = value; // return the value
return true; // this was convertable
}
/**
* Convert an integer object into a whole number value using the
* current digits setting.
*
* @param result The returned result.
* @param digits The digits setting to apply to the conversion.
*
* @return true if the number converts ok under the current digits setting. false
* for any conversion errors.
*/
bool RexxInteger::numberValue(wholenumber_t &result, size_t digits)
{
/* is the long value expressable as a*/
/* whole number in REXX term. */
if (digits < Numerics::DEFAULT_DIGITS && Numerics::abs(value) >= Numerics::validMaxWhole[digits - 1])
{
return false; /* nope, not a valid long. */
}
result = value; // return the value
return true; // this was convertable
}
/**
* Convert an integer object into an unsigned whole number value
* using the default digits setting.
*
* @param result The returned result.
*
* @return true if the number converts ok under the current digits setting. false
* for any conversion errors.
*/
bool RexxInteger::unsignedNumberValue(stringsize_t &result)
{
// this must be non-negative and not out of range
if (value < 0 || value > Numerics::MAX_WHOLENUMBER)
{
return false;
}
result = wholeNumber(); // return the value
return true; // this was convertable
}
/**
* Convert an integer object into an unsigned whole number value
* using the current digits setting.
*
* @param result The returned result.
* @param digits The digits setting to apply to the conversion.
*
* @return true if the number converts ok under the current digits setting. false
* for any conversion errors.
*/
bool RexxInteger::unsignedNumberValue(stringsize_t &result, size_t digits)
{
/* is the long value expressable as a*/
/* whole number in REXX term. */
if (value < 0 || (digits < Numerics::DEFAULT_DIGITS && value >= Numerics::validMaxWhole[digits - 1]))
{
return false; /* nope, not a valid long. */
}
result = wholeNumber(); // return the value
return true; // this was convertable
}
RexxInteger *RexxInteger::integerValue(
size_t digits) /* required precision (ignored) */
/******************************************************************************/
/* Function: Convert an integer to an integer (real easy!) */
/******************************************************************************/
{
return this; /* just return directly */
}
void RexxInteger::setString(
RexxString *string ) /* new string value */
/******************************************************************************/
/* Function: Add a string value to the string look-a-side. */
/******************************************************************************/
{
/* set the strign */
OrefSet(this, this->stringrep, string);
this->setHasReferences(); /* we now have references */
}
bool RexxInteger::truthValue(
int errorcode ) /* error to raise if not good */
/******************************************************************************/
/* Function: Determine the truth value of an integer object */
/******************************************************************************/
{
if (this->value == 0) /* have a zero? */
{
return false; /* this is false */
}
else if (this->value != 1) /* how about a one? */
{
reportException(errorcode, this);/* report the error */
}
return true; /* this is true */
}
/**
* Convert an object to a logical value without raising an
* error.
*
* @param result The converted value.
*
* @return true if this converted ok, false for an invalid logical.
*/
bool RexxInteger::logicalValue(logical_t &result)
{
if (this->value == 0) /* have a zero? */
{
result = false; // this is false and the conversion worked
return true;
}
else if (this->value == 1) /* how about a one? */
{
result = true; // this is true and the conversion worked
return true;
}
else
{
return false; // bad conversion
}
}
/******************************************************************************/
/* Function: Macro to forward a method against the numberstring value of */
/* an integer object. */
/******************************************************************************/
#define integer_forward(s,m,o) ((s)->numberString()->m(o))
RexxObject *RexxInteger::unknown(
RexxString *msgname, /* unknown message name */
RexxArray *arguments) /* arguments to the unknown message */
/******************************************************************************/
/* Function: Intercept unknown messages to an integer object and reissue */
/* them against the string value. */
/******************************************************************************/
{
/* just reissue this */
return this->stringValue()->sendMessage(msgname, arguments);
}
/**
* Override for the normal isinstanceof method. This version
* allows the IntegerClass to "lie" about being a string.
*
* @param other The comparison class
*
* @return True if the string value is an instance of the target class.
*/
bool RexxInteger::isInstanceOf(RexxClass *other)
{
return stringValue()->isInstanceOf(other);
}
/**
* Retrieve the method instance for an object's defined method.
*
* @param method_name
* The method name.
*
* @return The method object that implements the object method.
*/
RexxMethod *RexxInteger::instanceMethod(RexxString *method_name)
{
return stringValue()->instanceMethod(method_name);
}
/**
* Return a supplier containing the methods implemented by an
* object. Depending on the argument, this is either A) all of
* the methods, B) just the explicitly set instance methods, or
* C) the methods provided by a given class.
*
* @param class_object
* The target class object (optional).
*
* @return A supplier with the appropriate method set.
*/
RexxSupplier *RexxInteger::instanceMethods(RexxClass *class_object)
{
return stringValue()->instanceMethods(class_object);
}
RexxString *RexxInteger::concatBlank(
RexxString *other ) /* other object for concatenation */
/******************************************************************************/
/* Function: Concatenate an object to an integer */
/******************************************************************************/
{
requiredArgument(other, ARG_ONE); /* this is required */
other = REQUEST_STRING(other); /* ensure a string value */
/* do the concatenate */
return this->stringValue()->concatWith(other, ' ');
}
RexxString *RexxInteger::concat(
RexxString *other ) /* other object for concatenation */
/******************************************************************************/
/* Function: Concatenate an object to an integer */
/******************************************************************************/
{
requiredArgument(other, ARG_ONE); /* this is required */
other = REQUEST_STRING(other); /* ensure a string value */
/* do the concatenate */
return this->stringValue()->concat(other);
}
RexxObject *RexxInteger::plus(
RexxInteger *other) /* target other object */
/******************************************************************************/
/* Function: Add an integer to another object */
/******************************************************************************/
{
/* are we using default digits? */
if (number_digits() != Numerics::DEFAULT_DIGITS )
/* nope, we can't do integer arith */
return integer_forward(this, plus, other);
if (other == OREF_NULL) /* unary */
return this; /* just return ourselves */
else { /* binary */
if (isOfClass(Integer, other)) { /* adding two integers together? */
/* add the numbers */
wholenumber_t tempVal = this->value + other->value;
/* result still within range? */
if (tempVal <= Numerics::MAX_WHOLENUMBER && tempVal >= Numerics::MIN_WHOLENUMBER)
return new_integer(tempVal); /* return as an integer number */
}
/* need to do full arithmetic */
return integer_forward(this, plus, other);
}
}
RexxObject *RexxInteger::minus(
RexxInteger *other) /* target other object */
/******************************************************************************/
/* Function: Subtract another object from an integer */
/******************************************************************************/
{
/* are we using default digits? */
if (number_digits() != Numerics::DEFAULT_DIGITS )
/* nope, then we can do integer arith*/
return integer_forward(this, minus, other);
if (other == OREF_NULL) { /* unary subtraction operator */
return new_integer(-this->value); /* and return a new integer */
}
else { /* binary subtraction operation */
if (isOfClass(Integer, other)) { /* subtracting two integers? */
/* subtract the numbers */
wholenumber_t tempVal = this->value - other->value;
/* result still within range? */
if (tempVal <= Numerics::MAX_WHOLENUMBER && tempVal >= Numerics::MIN_WHOLENUMBER)
return new_integer(tempVal); /* return as an integer number */
}
/* need to do full arithmetic */
return integer_forward(this, minus, other);
}
}
RexxObject *RexxInteger::multiply(
RexxInteger *other) /* target other object */
/******************************************************************************/
/* Function: Multiply an integer by another object */
/******************************************************************************/
{
/* are we using default digits? */
if (number_digits() != Numerics::DEFAULT_DIGITS )
/* nope, we can't do integer math */
return integer_forward(this, multiply, other);
requiredArgument(other, ARG_ONE); /* make sure the argument is there */
/* is the other an integer and will */
/* the result be in a good range? */
if (isOfClass(Integer, other) && Numerics::abs(this->value) <= 99999 && Numerics::abs(other->value) <= 9999)
{
/* multiply directly */
return new_integer(this->value * other->value);
}
else /* do the slow way */
return integer_forward(this, multiply, other);
}
RexxObject *RexxInteger::divide(
RexxInteger *other) /* target other object */
/******************************************************************************/
/* Function: Perform division (actually done as numberstring math) */
/******************************************************************************/
{
/* just forward this */
return integer_forward(this, divide, other);
}
RexxObject *RexxInteger::integerDivide(
RexxInteger *other) /* target other object */
/******************************************************************************/
/* Function: Perform integer division */
/******************************************************************************/
{
/* are we using default digits? */
if (number_digits() != Numerics::DEFAULT_DIGITS )
/* nope, we can't do integer arith */
return integer_forward(this, integerDivide, other);
requiredArgument(other, ARG_ONE); /* make sure this is really there */
if (isOfClass(Integer, other)) { /* is right object an integer? */
/* is right number 0? */
if (other->value != 0)
{
// do the division directly
return new_integer(this->value / other->value);
}
else /* yes, raise error. */
reportException(Error_Overflow_zero);
}
/* not integer, forward to */
/*numberstring. */
return integer_forward(this, integerDivide, other);
}
RexxObject *RexxInteger::remainder(
RexxInteger *other) /* target other object */
/******************************************************************************/
/* Function: Perform remainder division */
/******************************************************************************/
{
/* are we using default digits? */
if (number_digits() != Numerics::DEFAULT_DIGITS )
/* nope, we can't do integer arith */
return integer_forward(this, remainder, other);
requiredArgument(other, ARG_ONE); /* make sure this is really there */
if (isOfClass(Integer, other)) { /* is right object an integer? */
/* is right number 0? */
if (other->value != 0)
{
// we can do this directly
return new_integer(this->value % other->value);
}
else /* yes, raise error. */
reportException(Error_Overflow_zero);
}
/* not integer, forward to */
/*numberstring. */
return integer_forward(this, remainder, other);
}
RexxObject *RexxInteger::power(
RexxObject *other) /* power exponent value */
/******************************************************************************/
/* Function: Process integer power operator (actually just a forwarder) */
/******************************************************************************/
{
/* just send along */
return integer_forward(this, power, other);
}
bool RexxInteger::isEqual(
RexxObject *other) /* other comparison object */
/******************************************************************************/
/* Function: Primitive strict equal\not equal method. This determines */
/* only strict equality, not greater or less than values. */
/******************************************************************************/
{
if (this->isSubClassOrEnhanced()) /* not a primitive? */
{
/* do the full lookup compare */
return this->sendMessage(OREF_STRICT_EQUAL, other)->truthValue(Error_Logical_value_method);
}
if (isOfClass(Integer, other)) /* two integers? */
/* just directly compare the values */
return this->value == ((RexxInteger *)other)->value;
/* go do a string compare */
return this->stringValue()->isEqual(other);
}
wholenumber_t RexxInteger::strictComp(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: Compare the two values. */
/* */
/* Returned: return <0 if other is greater than this */
/* return 0 if this equals other */
/* return >0 if this is greater than other */
/******************************************************************************/
{
requiredArgument(other, ARG_ONE); /* make sure this is really there */
if (isOfClass(Integer, other)) /* string compare is simple */
/* just return their difference */
return this->value - ((RexxInteger *)other)->value;
else /* go do a string compare */
return this->stringValue()->strictComp((RexxString *)other);
}
/**
* Do a comparison operation between an Integer object and
* another object.
*
* @param other The other object.
*
* @return true if the two objects compare equal, false for an
* unequal result.
*/
wholenumber_t RexxInteger::comp(RexxObject *other)
{
requiredArgument(other, ARG_ONE); /* make sure this is really there */
/* able to compare here? */
if (this->isSameType(other) && number_digits() == Numerics::DEFAULT_DIGITS)
{
/* just return the difference */
return this->value - ((RexxInteger *)other)->value;
}
else /* do a numberstring compare */
{
return this->numberString()->comp(other);
}
}
/**
* Exported version of the HASHCODE method for retrieving the
* object's hash.
*
* @return A string version of the hash (generally holds binary characters).
*/
RexxObject *RexxInteger::hashCode()
{
// get the hash value, which is actually derived from the integer string value
HashCode hashVal = this->hash();
return new_string((char *)&hashVal, sizeof(HashCode));
}
RexxInteger *RexxInteger::strictEqual(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: Perform the primitive level "==" compare, including the hash */
/* value processing. */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->strictComp(other) == 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::strictNotEqual(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: Strict inequality operation */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheTrueObject;
}
/* return strict compare result */
return (this->strictComp(other) != 0) ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::equal(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: non-strict "=" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->comp(other) == 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::notEqual(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: non-strict "\=" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheTrueObject;
}
return this->comp(other) != 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::isGreaterThan(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: non-strict ">" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->comp(other) > 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::isLessThan(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: non-strict "<" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->comp(other) < 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::isGreaterOrEqual(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: non-strict ">=" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->comp(other) >= 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::isLessOrEqual(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: non-strict "<=" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->comp(other) <= 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::strictGreaterThan(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: strict ">>" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->strictComp(other) > 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::strictLessThan(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: strict "<<" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->strictComp(other) < 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::strictGreaterOrEqual(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: strict ">>=" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->strictComp(other) >= 0 ? TheTrueObject : TheFalseObject;
}
RexxInteger *RexxInteger::strictLessOrEqual(
RexxObject *other) /* other comparison value */
/******************************************************************************/
/* Function: strict "<<=" operator */
/******************************************************************************/
{
if (other == TheNilObject) // all conditionals return .false when compared to .nil
{
return TheFalseObject;
}
return this->strictComp(other) <= 0 ? TheTrueObject : TheFalseObject;
}
RexxObject *RexxInteger::notOp()
/******************************************************************************/
/* Function: Perform the logical not of an integer object */
/******************************************************************************/
{
/* perform the operation */
return this->truthValue(Error_Logical_value_method) ? TheFalseObject : TheTrueObject;
}
RexxObject *RexxInteger::operatorNot(
RexxObject *dummy ) /* dummy for polymorphic operators */
/******************************************************************************/
/* Function: Perform the logical not of an integer object */
/******************************************************************************/
{
/* perform the operation */
return this->truthValue(Error_Logical_value_method) ? TheFalseObject : TheTrueObject;
}
RexxObject *RexxInteger::andOp(
RexxObject *other) /* other logical value */
/******************************************************************************/
/* Function: Logically AND two objects together */
/******************************************************************************/
{
RexxObject *otherTruth; /* truth value of the other object */
requiredArgument(other, ARG_ONE); /* make sure the argument is there */
/* validate the boolean */
otherTruth = other->truthValue(Error_Logical_value_method) ? TheTrueObject : TheFalseObject;
/* perform the operation */
return (!this->truthValue(Error_Logical_value_method)) ? TheFalseObject : otherTruth;
}
RexxObject *RexxInteger::orOp(
RexxObject *other) /* other logical value */
/******************************************************************************/
/* Function: Logically OR two objects together */
/******************************************************************************/
{
RexxObject *otherTruth; /* truth value of the other object */
requiredArgument(other, ARG_ONE); /* make sure the argument is there */
/* validate the boolean */
otherTruth = other->truthValue(Error_Logical_value_method) ? TheTrueObject : TheFalseObject;
/* perform the operation */
return (this->truthValue(Error_Logical_value_method)) ? TheTrueObject : otherTruth;
}
RexxObject *RexxInteger::xorOp(
RexxObject *other) /* other logical value */
/******************************************************************************/
/* Function: Logically XOR two objects together */
/******************************************************************************/
{
requiredArgument(other, ARG_ONE); /* make sure the argument is there */
/* get as a boolean */
bool truth = other->truthValue(Error_Logical_value_method);
/* first one false? */
if (!this->truthValue(Error_Logical_value_method))
/* value is always the second */
return truth ? TheTrueObject : TheFalseObject;
else /* value is inverse of second */
return (truth) ? TheFalseObject : TheTrueObject;
}
RexxObject *RexxInteger::abs()
/******************************************************************************/
/* Function: Take the absolute value of an integer object */
/******************************************************************************/
{
/* working under the default digits? */
if (number_digits() == Numerics::DEFAULT_DIGITS) {
/* if we're already positive, this is a quick return */
if (value >= 0) {
return this;
}
return new_integer(-value); /* return as an integer object */
}
else
return this->numberString()->abs(); /* do a numberstring operation */
}
RexxObject *RexxInteger::sign()
/******************************************************************************/
/* Function: SIGN() function on an integer object */
/******************************************************************************/
{
RexxObject *result; /* returned result */
if (this->value > 0) /* positive number? */
result = IntegerOne; /* result is "1" */
else if (this->value < 0) /* negative number? */
result = new_integer(-1); /* result is "-1" */
else
result = IntegerZero; /* exactly zero */
return result; /* return the value */
}
RexxObject *RexxInteger::Max(
RexxObject **args, /* array of comparison values */
size_t argCount) /* count of arguments */
/******************************************************************************/
/* Function: Perform MAX function on integer objects */
/******************************************************************************/
{
wholenumber_t maxvalue; /* current maximum */
size_t arg; /* current arg position */
RexxObject * argument; /* current argument object */
/* are we using default digits? */
if (number_digits() != Numerics::DEFAULT_DIGITS )
/* nope, we can't do integer max. */
return this->numberString()->Max(args, argCount);
if (argCount < 1) /* no comparisons to do? */
return (RexxObject *)this; /* just return this as the result */
maxvalue = this->value; /* assume first number is our max. */
/* check each numbers to see if */
/* larger than the max. */
for (arg = 0; arg < argCount; arg++) {
argument = args[arg]; /* get next argument element */
if (argument == OREF_NULL) /* was argument missging ? */
/* Yes, report the error. */
reportException(Error_Incorrect_method_noarg, arg);
if (isOfClass(Integer, argument)) { /* is this an INTEGER object? */
/* yes, gets its value. */
wholenumber_t v = ((RexxInteger *)argument)->getValue();
if (v > maxvalue) /* is this number larger than max? */
maxvalue = v; /* yes, it is our new max. */
}
else { /* not an integer, compare isn't */
/* not all integers, convert into a */
/* NumberString, and let NumberString*/
/* figure this out. */
return this->numberString()->Max(args, argCount);
}
}
return new_integer(maxvalue); /* yes, then max is our max number */
}
RexxObject *RexxInteger::Min(
RexxObject **args, /* array of comparison values */
size_t argCount) /* count of arguments */
/******************************************************************************/
/* Function: Perform MAX function on integer objects */
/******************************************************************************/
{
wholenumber_t minvalue; /* current minimum */
size_t arg; /* current arg position */
RexxObject * argument; /* current argument object */
/* are we using default digits? */
if (number_digits() != Numerics::DEFAULT_DIGITS )
/* nope, we can't do integer max. */
return this->numberString()->Min(args, argCount);
if (argCount < 1) /* no comparisons to do? */
return (RexxObject *)this; /* just return this as the result */
minvalue = this->value; /* assume first number is our min. */
/* check each numbers to see if */
/* larger than the max. */
for (arg = 0; arg < argCount; arg++) {
argument = args[arg]; /* get next argument element */
if (argument == OREF_NULL) /* was argument missging ? */
/* Yes, report the error. */
reportException(Error_Incorrect_method_noarg, arg);
if (isOfClass(Integer, argument)) { /* is this an INTEGER object? */
/* yes, gets its value. */
wholenumber_t v = ((RexxInteger *)argument)->getValue();
if (v < minvalue) /* is this number larger than min? */
minvalue = v; /* yes, it is our new max. */
}
else { /* not an integer, compare isn't */
/* not all integers, convert into a */
/* NumberString, and let NumberString*/
/* figure this out. */
return this->numberString()->Min(args, argCount);
}
}
return new_integer(minvalue); /* yes, then max is our max number */
}
RexxObject *RexxInteger::trunc(
RexxObject *decimals) /* number of decimal digits requested*/
/******************************************************************************/
/* Function: Act as a front end for the actual TRUNC REXX method */
/******************************************************************************/
{
/* just forward to numberstring */
return this->numberString()->trunc(decimals);
}
/**
* Calculate the floor value for a numeric value
*
* @return The floor value.
*/
RexxObject *RexxInteger::floor()
{
// the floor of an integer is always the same value
return this;
}
/**
* Calculate the ceiling value for a numeric value
*
* @return The ceiling value.
*/
RexxObject *RexxInteger::ceiling()
{
// the ceiling of an integer is always the same value
return this;
}
/**
* Calculate the round value for a numeric value
*
* @return The round value.
*/
RexxObject *RexxInteger::round()
{
// the rounding of an integer is always the same value
return this;
}
RexxObject *RexxInteger::format(
RexxObject *Integers, /* space for integer part */
RexxObject *Decimals, /* number of decimals required */
RexxObject *MathExp, /* the exponent size */
RexxObject *ExpTrigger ) /* the exponent trigger */
/******************************************************************************/
/* Function: Act as a front end for the actual FORMAT REXX method */
/******************************************************************************/
{
return this->numberString()->formatRexx(Integers, Decimals, MathExp, ExpTrigger);
}
RexxObject *RexxInteger::d2c(
RexxObject *length) /* length of result */
/******************************************************************************/
/* Function: Convert a decimal number string into a character string */
/******************************************************************************/
{
/* format as a string value */
return this->numberString()->d2xD2c(length, true);
}
RexxObject *RexxInteger::d2x(
RexxObject *length) /* length of result */
/******************************************************************************/
/* Function: Convert a decimal number string into a hexadecimal string */
/******************************************************************************/
{
/* format as a string value */
return this->numberString()->d2xD2c(length, false);
}
RexxObject *RexxInteger::evaluate(
RexxActivation *context, /* current activation context */
RexxExpressionStack *stack ) /* evaluation stack */
/******************************************************************************/
/* Function: Polymorphic method that makes integer a polymorphic expression */
/* term for literals */
/******************************************************************************/
{
stack->push(this); /* place on the evaluation stack */
/* trace if necessary */
context->traceIntermediate(this, TRACE_PREFIX_LITERAL);
return this; /* also return the result */
}
RexxObject *RexxInteger::getValue(
RexxActivation *context) /* current activation context */
/******************************************************************************/
/* Function: Polymorphic get_value function used with expression terms */
/******************************************************************************/
{
return (RexxObject *)this; /* just return this value */
}
RexxObject *RexxInteger::getValue(
RexxVariableDictionary *context) /* current activation context */
/******************************************************************************/
/* Function: Polymorphic get_value function used with expression terms */
/******************************************************************************/
{
return (RexxObject *)this; /* just return this value */
}
RexxObject *RexxInteger::getRealValue(
RexxActivation *context) /* current activation context */
/******************************************************************************/
/* Function: Polymorphic get_value function used with expression terms */
/******************************************************************************/
{
return (RexxObject *)this; /* just return this value */
}
RexxObject *RexxInteger::getRealValue(
RexxVariableDictionary *context) /* current activation context */
/******************************************************************************/
/* Function: Polymorphic get_value function used with expression terms */
/******************************************************************************/
{
return (RexxObject *)this; /* just return this value */
}
/* **************************************** */
/* Integer class methods begin here ..... */
/* **************************************** */
RexxIntegerClass::RexxIntegerClass()
/******************************************************************************/
/* This method will pre-allocate 100 integer objects, 0-99. These will then */
/* be used when ever a request for an integer between 0 and 99 is requested */
/* this should help reduce some of our memory requirements and trips through */
/* memory_new. */
/******************************************************************************/
{
int i; /* loop counter */
for (i=INTEGERCACHELOW; i<INTEGERCACHESIZE; i++ ) { /* now create all our cached integers*/
OrefSet(this, this->integercache[i - INTEGERCACHELOW], new RexxInteger (i));
/* force the item to create its string value too. This can save */
/* us a lot of time when string indices are used for compound */
/* variables and also eliminate a bunch of old-new table */
/* references. */
this->integercache[i - INTEGERCACHELOW]->stringValue();
}
}
void RexxIntegerClass::live(size_t liveMark)
/******************************************************************************/
/* Function: Normal garbage collection live marking */
/******************************************************************************/
{
int i; /* loop counter */
this->RexxClass::live(liveMark); /* do RexxClass level marking */
/* now mark the cached integers */
for (i = INTEGERCACHELOW; i < INTEGERCACHESIZE ;i++ )
{
memory_mark(this->integercache[i - INTEGERCACHELOW]);
}
}
void RexxIntegerClass::liveGeneral(int reason)
/******************************************************************************/
/* Function: Generalized object marking */
/******************************************************************************/
{
int i; /* loop counter */
this->RexxClass::liveGeneral(reason); /* do RexxClass level marking */
/* now mark the cached integers */
for (i = INTEGERCACHELOW; i < INTEGERCACHESIZE ;i++ )
{
memory_mark_general(this->integercache[i - INTEGERCACHELOW]);
}
}
RexxClass *RexxInteger::classObject()
/******************************************************************************/
/* Function: Return the String class object for integer instances */
/******************************************************************************/
{
/* just return class from behaviour */
return TheStringClass;
}
void *RexxInteger::operator new(size_t size)
/******************************************************************************/
/* Function: Create a new integer object */
/******************************************************************************/
{
RexxObject *newObject = new_object(size, T_Integer); /* get a new object */
newObject->setHasNoReferences(); /* Tell GC, not to bother with Live */
return newObject; /* return the new object. */
}
void RexxInteger::createInstance()
/******************************************************************************/
/* Function: Create the integer class and set up the integer cache */
/******************************************************************************/
{
/* Create the Integer class object */
/* its asubclass of the CLASS class,*/
/* and needs to override the NEW */
/* method to provide caching */
/* support for integers. */
CLASS_CREATE(Integer, "String", RexxIntegerClass);
/* initialize our static array of */
/* cached integers */
new (TheIntegerClass) RexxIntegerClass();
}
PCPPM RexxInteger::operatorMethods[] =
{
NULL,
(PCPPM)&RexxInteger::plus,
(PCPPM)&RexxInteger::minus,
(PCPPM)&RexxInteger::multiply,
(PCPPM)&RexxInteger::divide,
(PCPPM)&RexxInteger::integerDivide,
(PCPPM)&RexxInteger::remainder,
(PCPPM)&RexxInteger::power,
(PCPPM)&RexxInteger::concat,
(PCPPM)&RexxInteger::concat, /* Duplicate entry neccessary */
(PCPPM)&RexxInteger::concatBlank,
(PCPPM)&RexxInteger::equal,
(PCPPM)&RexxInteger::notEqual,
(PCPPM)&RexxInteger::isGreaterThan,
(PCPPM)&RexxInteger::isLessOrEqual,
(PCPPM)&RexxInteger::isLessThan,
(PCPPM)&RexxInteger::isGreaterOrEqual,
/* Duplicate entry neccessary */
(PCPPM)&RexxInteger::isGreaterOrEqual,
(PCPPM)&RexxInteger::isLessOrEqual,
(PCPPM)&RexxInteger::strictEqual,
(PCPPM)&RexxInteger::strictNotEqual,
(PCPPM)&RexxInteger::strictGreaterThan,
(PCPPM)&RexxInteger::strictLessOrEqual,
(PCPPM)&RexxInteger::strictLessThan,
(PCPPM)&RexxInteger::strictGreaterOrEqual,
/* Duplicate entry neccessary */
(PCPPM)&RexxInteger::strictGreaterOrEqual,
(PCPPM)&RexxInteger::strictLessOrEqual,
(PCPPM)&RexxInteger::notEqual,
(PCPPM)&RexxInteger::notEqual,
(PCPPM)&RexxInteger::andOp,
(PCPPM)&RexxInteger::orOp,
(PCPPM)&RexxInteger::xorOp,
(PCPPM)&RexxInteger::operatorNot,
};