org.jruby.ext.ffi.jffi
Class CodeMemoryIO

java.lang.Object
  org.jruby.ext.ffi.InvalidMemoryIO
      org.jruby.ext.ffi.jffi.CodeMemoryIO

All Implemented Interfaces:

DirectMemoryIO, MemoryIO

public final class CodeMemoryIO
extends InvalidMemoryIO
implements DirectMemoryIO

Representation of code (executable) memory blocks

Field Summary

Fields inherited from class org.jruby.ext.ffi.InvalidMemoryIO

runtime

Constructor Summary

CodeMemoryIO(Ruby runtime, long address)

CodeMemoryIO(Ruby runtime, Pointer pointer)

Method Summary

long	getAddress()
boolean	isDirect() Checks if the memory area is a native memory pointer.
boolean	isNull() Checks if the memory area is NULL.

Methods inherited from class org.jruby.ext.ffi.InvalidMemoryIO

asByteBuffer, clear, dup, ex, get, get, get, get, get, get, getAddress, getByte, getDouble, getErrorClass, getFloat, getInt, getLong, getMemoryIO, getNativeLong, getShort, getZeroTerminatedByteArray, getZeroTerminatedByteArray, indexOf, indexOf, order, put, put, put, put, put, put, putAddress, putByte, putDouble, putFloat, putInt, putLong, putMemoryIO, putNativeLong, putShort, putZeroTerminatedByteArray, setMemory, slice, slice

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jruby.ext.ffi.MemoryIO

asByteBuffer, dup, get, get, get, get, get, get, getAddress, getByte, getDouble, getFloat, getInt, getLong, getMemoryIO, getNativeLong, getShort, getZeroTerminatedByteArray, getZeroTerminatedByteArray, indexOf, indexOf, order, put, put, put, put, put, put, putAddress, putByte, putDouble, putFloat, putInt, putLong, putMemoryIO, putNativeLong, putShort, putZeroTerminatedByteArray, setMemory, slice, slice

Constructor Detail

CodeMemoryIO

public CodeMemoryIO(Ruby runtime,
                    long address)

CodeMemoryIO

public CodeMemoryIO(Ruby runtime,
                    Pointer pointer)

Method Detail

getAddress

public long getAddress()

Specified by:

getAddress in interface DirectMemoryIO

isDirect

public boolean isDirect()

Description copied from interface: MemoryIO

Checks if the memory area is a native memory pointer.

Specified by:

isDirect in interface MemoryIO

Returns:

true if the memory area is a native pointer.

isNull

public boolean isNull()

Description copied from interface: MemoryIO

Checks if the memory area is NULL.

Specified by:

isNull in interface MemoryIO

Returns:

true if the memory area is invalid.