frysk.value
Class ArithmeticUnit

java.lang.Object
  frysk.value.ArithmeticUnit

Direct Known Subclasses:

AddressUnit, FloatingPointUnit, IntegerUnit

public abstract class ArithmeticUnit
extends Object

Arithmetic and Logical Operation handling for different types.

Field Summary

protected IntegerType	intType
protected ArithmeticType	retType
protected int	wordSize

Constructor Summary

protected

ArithmeticUnit(int wordSize)

Method Summary

Value	add(Value v1, Value v2)
Value	bitWiseAnd(Value v1, Value v2)
Value	bitWiseAndEqual(Value v1, Value v2)
Value	bitWiseComplement(Value v1)
Value	bitWiseOr(Value v1, Value v2)
Value	bitWiseOrEqual(Value v1, Value v2)
Value	bitWiseXor(Value v1, Value v2)
Value	bitWiseXorEqual(Value v1, Value v2)
Value	divide(Value v1, Value v2)
Value	divideEqual(Value v1, Value v2)
Value	equal(Value v1, Value v2)
ArithmeticType	getIntResultType() Use to get result type of relational, equality and logical expressions.
boolean	getLogicalValue(Value v1)
ArithmeticType	getResultType() Use to get result type of multiplicative, additive, shift, bitwise and assigment expressions.
Value	greaterThan(Value v1, Value v2)
Value	greaterThanOrEqualTo(Value v1, Value v2)
Value	lessThan(Value v1, Value v2)
Value	lessThanOrEqualTo(Value v1, Value v2)
Value	logicalAnd(Value v1, Value v2)
Value	logicalNegation(Value v1)
Value	logicalOr(Value v1, Value v2)
Value	minusEqual(Value v1, Value v2)
Value	mod(Value v1, Value v2)
Value	modEqual(Value v1, Value v2)
Value	multiply(Value v1, Value v2)
Value	notEqual(Value v1, Value v2)
Value	plusEqual(Value v1, Value v2)
Value	shiftLeft(Value v1, Value v2)
Value	shiftLeftEqual(Value v1, Value v2)
Value	shiftRight(Value v1, Value v2)
Value	shiftRightEqual(Value v1, Value v2)
Value	subtract(Value v1, Value v2)
Value	timesEqual(Value v1, Value v2)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

retType

protected ArithmeticType retType

intType

protected IntegerType intType

wordSize

protected int wordSize

Constructor Detail

ArithmeticUnit

protected ArithmeticUnit(int wordSize)

Method Detail

getResultType

public ArithmeticType getResultType()

Use to get result type of multiplicative, additive, shift, bitwise and assigment expressions.

getIntResultType

public ArithmeticType getIntResultType()

Use to get result type of relational, equality and logical expressions.

add

public Value add(Value v1,
                 Value v2)

subtract

public Value subtract(Value v1,
                      Value v2)

multiply

public Value multiply(Value v1,
                      Value v2)

divide

public Value divide(Value v1,
                    Value v2)

mod

public Value mod(Value v1,
                 Value v2)

shiftLeft

public Value shiftLeft(Value v1,
                       Value v2)

shiftRight

public Value shiftRight(Value v1,
                        Value v2)

lessThan

public Value lessThan(Value v1,
                      Value v2)

greaterThan

public Value greaterThan(Value v1,
                         Value v2)

lessThanOrEqualTo

public Value lessThanOrEqualTo(Value v1,
                               Value v2)

greaterThanOrEqualTo

public Value greaterThanOrEqualTo(Value v1,
                                  Value v2)

equal

public Value equal(Value v1,
                   Value v2)

notEqual

public Value notEqual(Value v1,
                      Value v2)

bitWiseAnd

public Value bitWiseAnd(Value v1,
                        Value v2)

bitWiseXor

public Value bitWiseXor(Value v1,
                        Value v2)

bitWiseOr

public Value bitWiseOr(Value v1,
                       Value v2)

bitWiseComplement

public Value bitWiseComplement(Value v1)

logicalAnd

public Value logicalAnd(Value v1,
                        Value v2)

logicalOr

public Value logicalOr(Value v1,
                       Value v2)

logicalNegation

public Value logicalNegation(Value v1)

getLogicalValue

public boolean getLogicalValue(Value v1)

plusEqual

public Value plusEqual(Value v1,
                       Value v2)

minusEqual

public Value minusEqual(Value v1,
                        Value v2)

timesEqual

public Value timesEqual(Value v1,
                        Value v2)

divideEqual

public Value divideEqual(Value v1,
                         Value v2)

modEqual

public Value modEqual(Value v1,
                      Value v2)

shiftLeftEqual

public Value shiftLeftEqual(Value v1,
                            Value v2)

shiftRightEqual

public Value shiftRightEqual(Value v1,
                             Value v2)

bitWiseOrEqual

public Value bitWiseOrEqual(Value v1,
                            Value v2)

bitWiseXorEqual

public Value bitWiseXorEqual(Value v1,
                             Value v2)

bitWiseAndEqual

public Value bitWiseAndEqual(Value v1,
                             Value v2)