Package org.jruby.ext.ffi.jffi

Class BufferNativeInvoker

java.lang.Object

org.jruby.internal.runtime.methods.DynamicMethod

org.jruby.ext.ffi.jffi.NativeInvoker

org.jruby.ext.ffi.jffi.BufferNativeInvoker

final class BufferNativeInvoker
extends NativeInvoker

Invokes a native function using InvocationBuffer methods.

Nested Class Summary

Nested classes/interfaces inherited from class org.jruby.internal.runtime.methods.DynamicMethod

DynamicMethod.NativeCall, DynamicMethod.Version

Field Summary

Fields

Modifier and Type	Field	Description
private final com.kenai.jffi.HeapInvocationBuffer	dummyBuffer
private final com.kenai.jffi.Function	function
private final FunctionInvoker	functionInvoker
private final boolean	needsInvocationSession
private final ParameterMarshaller[]	parameterMarshallers
private final int	postInvokeCount
private final int	referenceCount

Fields inherited from class org.jruby.ext.ffi.jffi.NativeInvoker

arity

Fields inherited from class org.jruby.internal.runtime.methods.DynamicMethod

definedClass, flags, handle, implementationClass, name, protectedClass, serialNumber

Constructor Summary

Constructors

Constructor	Description
BufferNativeInvoker(RubyModule implementationClass, com.kenai.jffi.Function function, Signature signature, FunctionInvoker functionInvoker, ParameterMarshaller[] parameterMarshallers)

Method Summary

Modifier and Type	Method	Description
IRubyObject	call(ThreadContext context, IRubyObject self, RubyModule klazz, String name)	Arity 0, no block
IRubyObject	call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg1)	Arity 1, no block
IRubyObject	call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject[] args)	A default implementation of n-arity, non-block 'call' method, which simply calls the n-arity, block-receiving version with the arg list and Block.NULL_BLOCK.
IRubyObject	call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg1, IRubyObject arg2)	Arity 2, no block
IRubyObject	call(ThreadContext context, IRubyObject self, RubyModule klazz, String name, IRubyObject arg1, IRubyObject arg2, IRubyObject arg3)	Arity 3, no block

Methods inherited from class org.jruby.ext.ffi.jffi.NativeInvoker

call, dup, getArity, getCallContext, getFunctionAddress, isNative

Methods inherited from class org.jruby.internal.runtime.methods.DynamicMethod

calculateProtectedClass, call, call, call, call, callRespondTo, getCallConfig, getDefinedClass, getHandle, getImplementationClass, getInstanceVariableNames, getMethodData, getName, getProtectedClass, getRealMethod, getSerialNumber, getSignature, getVisibility, init, init, isBuiltin, isCallableFrom, isImplementedBy, isNotImplemented, isNull, isRefined, isUndefined, setCallConfig, setDefinedClass, setHandle, setImplementationClass, setIsBuiltin, setNotImplemented, setVisibility

Methods inherited from class java.lang.Object

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

Field Details

function

private final com.kenai.jffi.Function function

functionInvoker

private final FunctionInvoker functionInvoker

parameterMarshallers

private final ParameterMarshaller[] parameterMarshallers

needsInvocationSession

private final boolean needsInvocationSession

postInvokeCount

private final int postInvokeCount

referenceCount

private final int referenceCount

dummyBuffer

private final com.kenai.jffi.HeapInvocationBuffer dummyBuffer

Constructor Details

BufferNativeInvoker

BufferNativeInvoker(RubyModule implementationClass,
 com.kenai.jffi.Function function,
 Signature signature,
 FunctionInvoker functionInvoker,
 ParameterMarshaller[] parameterMarshallers)

Method Details

call

public IRubyObject call(ThreadContext context,
 IRubyObject self,
 RubyModule klazz,
 String name)

Description copied from class: DynamicMethod

Arity 0, no block

Overrides:

call in class DynamicMethod

call

public IRubyObject call(ThreadContext context,
 IRubyObject self,
 RubyModule klazz,
 String name,
 IRubyObject arg1)

Description copied from class: DynamicMethod

Arity 1, no block

Overrides:

call in class DynamicMethod

call

public IRubyObject call(ThreadContext context,
 IRubyObject self,
 RubyModule klazz,
 String name,
 IRubyObject arg1,
 IRubyObject arg2)

Description copied from class: DynamicMethod

Arity 2, no block

Overrides:

call in class DynamicMethod

call

public IRubyObject call(ThreadContext context,
 IRubyObject self,
 RubyModule klazz,
 String name,
 IRubyObject arg1,
 IRubyObject arg2,
 IRubyObject arg3)

Description copied from class: DynamicMethod

Arity 3, no block

Overrides:

call in class DynamicMethod

call

public IRubyObject call(ThreadContext context,
 IRubyObject self,
 RubyModule klazz,
 String name,
 IRubyObject[] args)

Description copied from class: DynamicMethod

A default implementation of n-arity, non-block 'call' method, which simply calls the n-arity, block-receiving version with the arg list and Block.NULL_BLOCK.

Overrides:

call in class DynamicMethod

Parameters:

context - The thread context for the currently executing thread

self - The 'self' or 'receiver' object to use for this call

klazz - The Ruby class against which this method is binding

name - The incoming name used to invoke this method

args - The first argument to this invocation

Returns:

The result of the call