Class ProcessorContextImpl

  • All Implemented Interfaces:
    ProcessorContext, ProcessorContextView

    public final class ProcessorContextImpl
    extends java.lang.Object
    implements ProcessorContext
    An implementation of processor context which contains the state of all processor registers.
    Note that the ContextChangeException will never be thrown by this implementation of Processor
    • Constructor Detail

      • ProcessorContextImpl

        public ProcessorContextImpl​(Language language)
    • Method Detail

      • getRegister

        public Register getRegister​(java.lang.String name)
        Description copied from interface: ProcessorContextView
        Get a Register given the name of a register
        Specified by:
        getRegister in interface ProcessorContextView
        Parameters:
        name - the name of the register.
        Returns:
        The register with the given name.
      • getRegisterValue

        public RegisterValue getRegisterValue​(Register register)
        Description copied from interface: ProcessorContextView
        Get the RegisterValue for the given register.
        Specified by:
        getRegisterValue in interface ProcessorContextView
        Parameters:
        register - register to get the value for
        Returns:
        RegisterValue object containing the value of the register if a value exists, otherwise null.
      • getValue

        public java.math.BigInteger getValue​(Register register,
                                             boolean signed)
        Description copied from interface: ProcessorContextView
        Get the contents of a processor register as a BigInteger object
        Specified by:
        getValue in interface ProcessorContextView
        Parameters:
        register - register to get the value for
        Returns:
        a BigInteger object containing the value of the register if a value exists, otherwise null.
      • hasValue

        public boolean hasValue​(Register register)
        Description copied from interface: ProcessorContextView
        Returns true if a value is defined for the given register.
        Specified by:
        hasValue in interface ProcessorContextView
        Parameters:
        register - the register to check for a value.
        Returns:
        true if the given register has a value.
      • setValue

        public void setValue​(Register register,
                             java.math.BigInteger value)
        Description copied from interface: ProcessorContext
        Sets the value for a Register.
        Specified by:
        setValue in interface ProcessorContext
        Parameters:
        register - the register to have its value set
        value - the value for the register (null is not permitted).
      • clearRegister

        public void clearRegister​(Register register)
        Description copied from interface: ProcessorContext
        Clears the register within this context.
        Specified by:
        clearRegister in interface ProcessorContext
        Parameters:
        register - register to be cleared.
      • clearAll

        public void clearAll()