Package com.singularsys.jep.misc.javaops

Class JavaOperatorTable

  • All Implemented Interfaces:
    JepComponent, OperatorTableI, java.io.Serializable
    public class JavaOperatorTable
extends BitwiseOperatorTable

    An operator table which supports most of the operators which appear in Java. Includes ++x, x++, a?b:c, x+=y etc. and bitwise operators.

    The full set added is: a&b, a|b, ~a, a^b, a>>b, a<<b a<<<b, x?y:z, ++x, --x, x++, x--, x+=y, x-=y, x*=y, x/=y, x%=y, x&=y, x|=y, x^=y, x<<=y, x>>=y, x<<<=y.

    Author:
    Richard Morris
    See Also:
    Serialized Form

    • Constructor Detail

      • JavaOperatorTable

        public JavaOperatorTable()
        A JavaOperatorTable with power represented as ** and xor as ^.

      • JavaOperatorTable

        public JavaOperatorTable​(java.lang.String powerSymbol)
        A JavaOperatorTable with xor represented as ^ and power as the argument.
        Parameters:
        powerSymbol - sequence used to represent power.

      • JavaOperatorTable

        public JavaOperatorTable​(java.lang.String powerSymbol,
                         java.lang.String xorSymbol)
        A JavaOperatorTable with power and xor represented by the arguments
        Parameters:
        powerSymbol - string used to represent power.
        xorSymbol - string used to represent xor.

      • JavaOperatorTable

        public JavaOperatorTable​(OperatorTable2 oldTable,
                         java.lang.String powerSymbol,
                         java.lang.String xorSymbol)
        A decerator constructor. Takes all the operators suplied in the oldTable and add extra bitwise and java operations.
        Parameters:
        oldTable - table with most operators.
        powerSymbol - string used to represent power.
        xorSymbol - string used to represent xor.

    • Method Detail

      • addJavaOps

        protected void addJavaOps()

      • setJavaPfmcs

        protected void setJavaPfmcs()

      • getPreInc

        public Operator getPreInc()

      • getPreDec

        public Operator getPreDec()

      • getPostInc

        public Operator getPostInc()

      • getPostDec

        public Operator getPostDec()

      • getPlusEquals

        public Operator getPlusEquals()

      • getMinusEquals

        public Operator getMinusEquals()

      • getTimesEquals

        public Operator getTimesEquals()

      • getDivideEquals

        public Operator getDivideEquals()

      • getModEquals

        public Operator getModEquals()

      • getAndEquals

        public Operator getAndEquals()

      • getOrEquals

        public Operator getOrEquals()

      • getXOrEquals

        public Operator getXOrEquals()

      • getLShiftEquals

        public Operator getLShiftEquals()

      • getRShiftEquals

        public Operator getRShiftEquals()

      • getURShiftEquals

        public Operator getURShiftEquals()

      • shallowCopy

        public OperatorTableI shallowCopy()
        Description copied from class: EmptyOperatorTable
        Create a new version of this OperatorTable. Operators are copied into new table. However Operators whose pfmc implement JepComponent are duplicated. This means the table could be used in a separate thread without problem. Subclasses should override with method to return a table of the correct type, a typical implementation would be 
            @Override
    public OperatorTableI shallowCopy() {
        Map<OperatorKey, Operator> map = this.threadSafeMapCopy();
        return new MyOperatorTable(map);
    }
        using the EmptyOperatorTable.threadSafeMapCopy() method to return a copy of the map of operators and a constructor taking this map which uses the EmptyOperatorTable(Map) constructor.
        Specified by:
        shallowCopy in interface OperatorTableI
        Overrides:
        shallowCopy in class BitwiseOperatorTable
        Returns:
        a new Table