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Implementation of the Truffle NFI using libffi.
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// CheckStyle: start generated
package com.oracle.truffle.nfi.backend.libffi;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.library.DynamicDispatchLibrary;
import com.oracle.truffle.api.library.LibraryExport;
import com.oracle.truffle.api.library.LibraryFactory;
import com.oracle.truffle.api.nodes.DenyReplace;
import com.oracle.truffle.api.nodes.UnadoptableNode;
import com.oracle.truffle.nfi.backend.spi.NFIBackendLibrary;
import com.oracle.truffle.nfi.backend.spi.types.NativeSimpleType;
import com.oracle.truffle.nfi.backend.spi.util.ProfiledArrayBuilder.ArrayBuilderFactory;
import java.lang.invoke.VarHandle;
import java.util.Objects;
@GeneratedBy(LibFFINFIBackend.class)
@SuppressWarnings("javadoc")
final class LibFFINFIBackendGen {
private static final LibraryFactory DYNAMIC_DISPATCH_LIBRARY_ = LibraryFactory.resolve(DynamicDispatchLibrary.class);
private static final LibraryFactory INTEROP_LIBRARY_ = LibraryFactory.resolve(InteropLibrary.class);
static {
LibraryExport.register(LibFFINFIBackend.class, new NFIBackendLibraryExports());
}
private LibFFINFIBackendGen() {
}
@GeneratedBy(LibFFINFIBackend.class)
private static final class NFIBackendLibraryExports extends LibraryExport {
private NFIBackendLibraryExports() {
super(NFIBackendLibrary.class, LibFFINFIBackend.class, false, false, 0);
}
@Override
protected NFIBackendLibrary createUncached(Object receiver) {
assert receiver instanceof LibFFINFIBackend;
NFIBackendLibrary uncached = new Uncached();
return uncached;
}
@Override
protected NFIBackendLibrary createCached(Object receiver) {
assert receiver instanceof LibFFINFIBackend;
return new Cached(receiver);
}
@GeneratedBy(LibFFINFIBackend.class)
private static final class Cached extends NFIBackendLibrary {
@Child private InteropLibrary receiverInteropLibrary_;
/**
* State Info:
* 0: SpecializationActive {@link LibFFINFIBackend#createSignatureBuilder(LibFFINFIBackend, NFIBackendLibrary, ArrayBuilderFactory)}
*
*/
@CompilationFinal private int state_0_;
/**
* Source Info:
* Specialization: {@link LibFFINFIBackend#createSignatureBuilder(LibFFINFIBackend, NFIBackendLibrary, ArrayBuilderFactory)}
* Parameter: {@link ArrayBuilderFactory} builderFactory
*/
@CompilationFinal private ArrayBuilderFactory createSignatureBuilderNode__createSignatureBuilder_builderFactory_;
protected Cached(Object receiver) {
LibFFINFIBackend castReceiver = ((LibFFINFIBackend) receiver) ;
this.receiverInteropLibrary_ = INTEROP_LIBRARY_.create((castReceiver));
}
@Override
public boolean accepts(Object receiver) {
assert !(receiver instanceof LibFFINFIBackend) || DYNAMIC_DISPATCH_LIBRARY_.getUncached().dispatch(receiver) == null : "Invalid library export. Exported receiver with dynamic dispatch found but not expected.";
if (!(receiver instanceof LibFFINFIBackend)) {
return false;
} else if (!this.receiverInteropLibrary_.accepts((receiver))) {
return false;
} else {
return true;
}
}
/**
* Debug Info:
* Specialization {@link LibFFINFIBackend#getSimpleType(LibFFINFIBackend, NativeSimpleType, InteropLibrary)}
* Activation probability: 0.25000
* With/without class size: 7/0 bytes
*
*/
@Override
public Object getSimpleType(Object arg0Value_, NativeSimpleType arg1Value) {
assert arg0Value_ instanceof LibFFINFIBackend : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted(this);
LibFFINFIBackend arg0Value = ((LibFFINFIBackend) arg0Value_);
{
InteropLibrary self__ = this.receiverInteropLibrary_;
return arg0Value.getSimpleType(arg1Value, self__);
}
}
/**
* Debug Info:
* Specialization {@link LibFFINFIBackend#getArrayType(LibFFINFIBackend, NativeSimpleType, InteropLibrary)}
* Activation probability: 0.25000
* With/without class size: 7/0 bytes
*
*/
@Override
public Object getArrayType(Object arg0Value_, NativeSimpleType arg1Value) {
assert arg0Value_ instanceof LibFFINFIBackend : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted(this);
LibFFINFIBackend arg0Value = ((LibFFINFIBackend) arg0Value_);
{
InteropLibrary self__ = this.receiverInteropLibrary_;
return arg0Value.getArrayType(arg1Value, self__);
}
}
/**
* Debug Info:
* Specialization {@link LibFFINFIBackend#getEnvType(LibFFINFIBackend, InteropLibrary)}
* Activation probability: 0.25000
* With/without class size: 7/0 bytes
*
*/
@Override
public Object getEnvType(Object arg0Value_) {
assert arg0Value_ instanceof LibFFINFIBackend : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted(this);
LibFFINFIBackend arg0Value = ((LibFFINFIBackend) arg0Value_);
{
InteropLibrary self__ = this.receiverInteropLibrary_;
return arg0Value.getEnvType(self__);
}
}
/**
* Debug Info:
* Specialization {@link LibFFINFIBackend#createSignatureBuilder(LibFFINFIBackend, NFIBackendLibrary, ArrayBuilderFactory)}
* Activation probability: 0.25000
* With/without class size: 8/4 bytes
*
*/
@Override
public Object createSignatureBuilder(Object arg0Value_) {
assert arg0Value_ instanceof LibFFINFIBackend : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted(this);
LibFFINFIBackend arg0Value = ((LibFFINFIBackend) arg0Value_);
int state_0 = this.state_0_;
if (state_0 != 0 /* is SpecializationActive[LibFFINFIBackend.createSignatureBuilder(LibFFINFIBackend, NFIBackendLibrary, ArrayBuilderFactory)] */) {
{
ArrayBuilderFactory builderFactory__ = this.createSignatureBuilderNode__createSignatureBuilder_builderFactory_;
if (builderFactory__ != null) {
NFIBackendLibrary self__ = (this);
return arg0Value.createSignatureBuilder(self__, builderFactory__);
}
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return createSignatureBuilderNode_AndSpecialize(arg0Value);
}
private Object createSignatureBuilderNode_AndSpecialize(LibFFINFIBackend arg0Value) {
int state_0 = this.state_0_;
{
NFIBackendLibrary self__ = null;
self__ = (this);
ArrayBuilderFactory builderFactory__ = (ArrayBuilderFactory.create());
Objects.requireNonNull(builderFactory__, "A specialization cache returned a default value. The cache initializer must never return a default value for this cache. Use @Cached(neverDefault=false) to allow default values for this cached value or make sure the cache initializer never returns the default value.");
VarHandle.storeStoreFence();
this.createSignatureBuilderNode__createSignatureBuilder_builderFactory_ = builderFactory__;
state_0 = state_0 | 0b1 /* add SpecializationActive[LibFFINFIBackend.createSignatureBuilder(LibFFINFIBackend, NFIBackendLibrary, ArrayBuilderFactory)] */;
this.state_0_ = state_0;
return arg0Value.createSignatureBuilder(self__, builderFactory__);
}
}
}
@GeneratedBy(LibFFINFIBackend.class)
@DenyReplace
private static final class Uncached extends NFIBackendLibrary implements UnadoptableNode {
protected Uncached() {
}
@Override
@TruffleBoundary
public boolean accepts(Object receiver) {
assert !(receiver instanceof LibFFINFIBackend) || DYNAMIC_DISPATCH_LIBRARY_.getUncached().dispatch(receiver) == null : "Invalid library export. Exported receiver with dynamic dispatch found but not expected.";
return receiver instanceof LibFFINFIBackend;
}
@TruffleBoundary
@Override
public Object getSimpleType(Object arg0Value_, NativeSimpleType arg1Value) {
// declared: true
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
LibFFINFIBackend arg0Value = ((LibFFINFIBackend) arg0Value_);
return arg0Value.getSimpleType(arg1Value, INTEROP_LIBRARY_.getUncached((arg0Value)));
}
@TruffleBoundary
@Override
public Object getArrayType(Object arg0Value_, NativeSimpleType arg1Value) {
// declared: true
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
LibFFINFIBackend arg0Value = ((LibFFINFIBackend) arg0Value_);
return arg0Value.getArrayType(arg1Value, INTEROP_LIBRARY_.getUncached((arg0Value)));
}
@TruffleBoundary
@Override
public Object getEnvType(Object arg0Value_) {
// declared: true
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
LibFFINFIBackend arg0Value = ((LibFFINFIBackend) arg0Value_);
return arg0Value.getEnvType(INTEROP_LIBRARY_.getUncached((arg0Value)));
}
@TruffleBoundary
@Override
public Object createSignatureBuilder(Object arg0Value_) {
// declared: true
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
LibFFINFIBackend arg0Value = ((LibFFINFIBackend) arg0Value_);
return arg0Value.createSignatureBuilder((this), (ArrayBuilderFactory.getUncached()));
}
}
}
}
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