com.oracle.truffle.nfi.backend.spi.NFIBackendLibraryGen Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of truffle-nfi Show documentation
Show all versions of truffle-nfi Show documentation
Native function interface for the Truffle framework.
// CheckStyle: start generated
package com.oracle.truffle.nfi.backend.spi;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.library.DynamicDispatchLibrary;
import com.oracle.truffle.api.library.Library;
import com.oracle.truffle.api.library.LibraryExport;
import com.oracle.truffle.api.library.LibraryFactory;
import com.oracle.truffle.api.library.Message;
import com.oracle.truffle.api.library.ReflectionLibrary;
import com.oracle.truffle.api.nodes.DenyReplace;
import com.oracle.truffle.api.nodes.EncapsulatingNodeReference;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.UnadoptableNode;
import com.oracle.truffle.api.utilities.FinalBitSet;
import com.oracle.truffle.nfi.backend.spi.types.NativeSimpleType;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodHandles.Lookup;
import java.util.BitSet;
import java.util.List;
import java.util.concurrent.locks.Lock;
@GeneratedBy(NFIBackendLibrary.class)
final class NFIBackendLibraryGen extends LibraryFactory {
private static final Class LIBRARY_CLASS = NFIBackendLibraryGen.lazyLibraryClass();
private static final Message GET_SIMPLE_TYPE = new MessageImpl("getSimpleType", 0, false, Object.class, Object.class, NativeSimpleType.class);
private static final Message GET_ARRAY_TYPE = new MessageImpl("getArrayType", 1, false, Object.class, Object.class, NativeSimpleType.class);
private static final Message GET_ENV_TYPE = new MessageImpl("getEnvType", 2, false, Object.class, Object.class);
private static final Message CREATE_SIGNATURE_BUILDER = new MessageImpl("createSignatureBuilder", 3, false, Object.class, Object.class);
private static final NFIBackendLibraryGen INSTANCE = new NFIBackendLibraryGen();
private static final LibraryFactory DYNAMIC_DISPATCH_LIBRARY_ = LibraryFactory.resolve(DynamicDispatchLibrary.class);
static {
LibraryExport.register(NFIBackendLibraryGen.LIBRARY_CLASS, new Default());
LibraryFactory.register(NFIBackendLibraryGen.LIBRARY_CLASS, INSTANCE);
}
private NFIBackendLibraryGen() {
super(NFIBackendLibraryGen.LIBRARY_CLASS, List.of(NFIBackendLibraryGen.GET_SIMPLE_TYPE, NFIBackendLibraryGen.GET_ARRAY_TYPE, NFIBackendLibraryGen.GET_ENV_TYPE, NFIBackendLibraryGen.CREATE_SIGNATURE_BUILDER));
}
@Override
protected Class getDefaultClass(Object receiver) {
return NFIBackendLibrary.class;
}
@Override
protected Lookup getLookup() {
return MethodHandles.lookup();
}
@Override
protected NFIBackendLibrary createProxy(ReflectionLibrary library) {
return new Proxy(library);
}
@Override
protected FinalBitSet createMessageBitSet(Message... messages) {
BitSet bitSet = new BitSet(2);
for (Message message : messages) {
bitSet.set(message.getId());
}
return FinalBitSet.valueOf(bitSet);
}
@Override
protected NFIBackendLibrary createDelegate(NFIBackendLibrary delegateLibrary) {
return new Delegate(delegateLibrary);
}
@Override
protected Object genericDispatch(Library originalLib, Object receiver, Message message, Object[] args, int offset) throws Exception {
NFIBackendLibrary lib = (NFIBackendLibrary) originalLib;
if (message.getParameterCount() - 1 != args.length - offset) {
CompilerDirectives.transferToInterpreterAndInvalidate();
throw new IllegalArgumentException("Invalid number of arguments.");
}
switch (message.getId()) {
case 0 :
return lib.getSimpleType(receiver, (NativeSimpleType) args[offset]);
case 1 :
return lib.getArrayType(receiver, (NativeSimpleType) args[offset]);
case 2 :
return lib.getEnvType(receiver);
case 3 :
return lib.createSignatureBuilder(receiver);
}
CompilerDirectives.transferToInterpreterAndInvalidate();
throw new AbstractMethodError(message.toString());
}
@Override
protected NFIBackendLibrary createDispatchImpl(int limit) {
return new CachedDispatchFirst(null, null, limit);
}
@Override
protected NFIBackendLibrary createUncachedDispatch() {
return new UncachedDispatch();
}
@SuppressWarnings("unchecked")
private static Class lazyLibraryClass() {
try {
return (Class) Class.forName("com.oracle.truffle.nfi.backend.spi.NFIBackendLibrary", false, NFIBackendLibraryGen.class.getClassLoader());
} catch (ClassNotFoundException e) {
throw CompilerDirectives.shouldNotReachHere(e);
}
}
@GeneratedBy(NFIBackendLibrary.class)
private static final class Default extends LibraryExport {
private Default() {
super(NFIBackendLibrary.class, Object.class, false, false, 0);
}
@Override
protected NFIBackendLibrary createUncached(Object receiver) {
NFIBackendLibrary uncached = new Uncached(receiver);
return uncached;
}
@Override
protected NFIBackendLibrary createCached(Object receiver) {
return new Cached(receiver);
}
@GeneratedBy(NFIBackendLibrary.class)
private static final class Cached extends NFIBackendLibrary {
@Child private DynamicDispatchLibrary dynamicDispatch_;
private final Class dynamicDispatchTarget_;
protected Cached(Object receiver) {
this.dynamicDispatch_ = insert(DYNAMIC_DISPATCH_LIBRARY_.create(receiver));
this.dynamicDispatchTarget_ = DYNAMIC_DISPATCH_LIBRARY_.getUncached(receiver).dispatch(receiver);
}
@Override
public boolean accepts(Object receiver) {
return dynamicDispatch_.accepts(receiver) && dynamicDispatch_.dispatch(receiver) == dynamicDispatchTarget_;
}
@TruffleBoundary
@Override
public Object getSimpleType(Object receiver, NativeSimpleType type) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
throw new AbstractMethodError();
}
@TruffleBoundary
@Override
public Object getArrayType(Object receiver, NativeSimpleType type) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
throw new AbstractMethodError();
}
@TruffleBoundary
@Override
public Object getEnvType(Object receiver) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
throw new AbstractMethodError();
}
@TruffleBoundary
@Override
public Object createSignatureBuilder(Object receiver) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
throw new AbstractMethodError();
}
}
@GeneratedBy(NFIBackendLibrary.class)
@DenyReplace
private static final class Uncached extends NFIBackendLibrary implements UnadoptableNode {
@Child private DynamicDispatchLibrary dynamicDispatch_;
private final Class dynamicDispatchTarget_;
protected Uncached(Object receiver) {
this.dynamicDispatch_ = DYNAMIC_DISPATCH_LIBRARY_.getUncached(receiver);
this.dynamicDispatchTarget_ = dynamicDispatch_.dispatch(receiver);
}
@Override
@TruffleBoundary
public boolean accepts(Object receiver) {
return dynamicDispatch_.accepts(receiver) && dynamicDispatch_.dispatch(receiver) == dynamicDispatchTarget_;
}
@TruffleBoundary
@Override
public Object getSimpleType(Object receiver, NativeSimpleType type) {
// declared: true
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
throw new AbstractMethodError();
}
@TruffleBoundary
@Override
public Object getArrayType(Object receiver, NativeSimpleType type) {
// declared: true
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
throw new AbstractMethodError();
}
@TruffleBoundary
@Override
public Object getEnvType(Object receiver) {
// declared: true
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
throw new AbstractMethodError();
}
@TruffleBoundary
@Override
public Object createSignatureBuilder(Object receiver) {
// declared: true
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
throw new AbstractMethodError();
}
}
}
@GeneratedBy(NFIBackendLibrary.class)
private static class MessageImpl extends Message {
MessageImpl(String name, int index, boolean deprecated, Class returnType, Class... parameters) {
super(NFIBackendLibraryGen.LIBRARY_CLASS, name, index, deprecated, returnType, parameters);
}
}
@GeneratedBy(NFIBackendLibrary.class)
private static final class Proxy extends NFIBackendLibrary {
@Child private ReflectionLibrary lib;
Proxy(ReflectionLibrary lib) {
this.lib = lib;
}
@Override
public Object getSimpleType(Object receiver_, NativeSimpleType type) {
try {
return lib.send(receiver_, NFIBackendLibraryGen.GET_SIMPLE_TYPE, type);
} catch (RuntimeException e_) {
throw e_;
} catch (Exception e_) {
throw CompilerDirectives.shouldNotReachHere(e_);
}
}
@Override
public Object getArrayType(Object receiver_, NativeSimpleType type) {
try {
return lib.send(receiver_, NFIBackendLibraryGen.GET_ARRAY_TYPE, type);
} catch (RuntimeException e_) {
throw e_;
} catch (Exception e_) {
throw CompilerDirectives.shouldNotReachHere(e_);
}
}
@Override
public Object getEnvType(Object receiver_) {
try {
return lib.send(receiver_, NFIBackendLibraryGen.GET_ENV_TYPE);
} catch (RuntimeException e_) {
throw e_;
} catch (Exception e_) {
throw CompilerDirectives.shouldNotReachHere(e_);
}
}
@Override
public Object createSignatureBuilder(Object receiver_) {
try {
return lib.send(receiver_, NFIBackendLibraryGen.CREATE_SIGNATURE_BUILDER);
} catch (RuntimeException e_) {
throw e_;
} catch (Exception e_) {
throw CompilerDirectives.shouldNotReachHere(e_);
}
}
@Override
public boolean accepts(Object receiver_) {
return lib.accepts(receiver_);
}
}
@GeneratedBy(NFIBackendLibrary.class)
private static final class Delegate extends NFIBackendLibrary {
@Child private NFIBackendLibrary delegateLibrary;
Delegate(NFIBackendLibrary delegateLibrary) {
this.delegateLibrary = delegateLibrary;
}
@Override
public Object getSimpleType(Object receiver_, NativeSimpleType type) {
if (LibraryFactory.isDelegated(delegateLibrary, 0)) {
Object delegate = LibraryFactory.readDelegate(this.delegateLibrary, receiver_);
return LibraryFactory.getDelegateLibrary(this.delegateLibrary, delegate).getSimpleType(delegate, type);
} else {
return this.delegateLibrary.getSimpleType(receiver_, type);
}
}
@Override
public Object getArrayType(Object receiver_, NativeSimpleType type) {
if (LibraryFactory.isDelegated(delegateLibrary, 1)) {
Object delegate = LibraryFactory.readDelegate(this.delegateLibrary, receiver_);
return LibraryFactory.getDelegateLibrary(this.delegateLibrary, delegate).getArrayType(delegate, type);
} else {
return this.delegateLibrary.getArrayType(receiver_, type);
}
}
@Override
public Object getEnvType(Object receiver_) {
if (LibraryFactory.isDelegated(delegateLibrary, 2)) {
Object delegate = LibraryFactory.readDelegate(this.delegateLibrary, receiver_);
return LibraryFactory.getDelegateLibrary(this.delegateLibrary, delegate).getEnvType(delegate);
} else {
return this.delegateLibrary.getEnvType(receiver_);
}
}
@Override
public Object createSignatureBuilder(Object receiver_) {
if (LibraryFactory.isDelegated(delegateLibrary, 3)) {
Object delegate = LibraryFactory.readDelegate(this.delegateLibrary, receiver_);
return LibraryFactory.getDelegateLibrary(this.delegateLibrary, delegate).createSignatureBuilder(delegate);
} else {
return this.delegateLibrary.createSignatureBuilder(receiver_);
}
}
@Override
public boolean accepts(Object receiver_) {
return delegateLibrary.accepts(receiver_);
}
@Override
public boolean isAdoptable() {
return this.delegateLibrary.isAdoptable();
}
}
@GeneratedBy(NFIBackendLibrary.class)
private static final class CachedToUncachedDispatch extends NFIBackendLibrary {
@TruffleBoundary
@Override
public Object getSimpleType(Object receiver_, NativeSimpleType type) {
assert assertAdopted(this);
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(getParent());
try {
return INSTANCE.getUncached(receiver_).getSimpleType(receiver_, type);
} finally {
encapsulating_.set(prev_);
}
}
@TruffleBoundary
@Override
public Object getArrayType(Object receiver_, NativeSimpleType type) {
assert assertAdopted(this);
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(getParent());
try {
return INSTANCE.getUncached(receiver_).getArrayType(receiver_, type);
} finally {
encapsulating_.set(prev_);
}
}
@TruffleBoundary
@Override
public Object getEnvType(Object receiver_) {
assert assertAdopted(this);
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(getParent());
try {
return INSTANCE.getUncached(receiver_).getEnvType(receiver_);
} finally {
encapsulating_.set(prev_);
}
}
@TruffleBoundary
@Override
public Object createSignatureBuilder(Object receiver_) {
assert assertAdopted(this);
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(getParent());
try {
return INSTANCE.getUncached(receiver_).createSignatureBuilder(receiver_);
} finally {
encapsulating_.set(prev_);
}
}
@Override
public boolean accepts(Object receiver_) {
return true;
}
}
@GeneratedBy(NFIBackendLibrary.class)
@DenyReplace
private static final class UncachedDispatch extends NFIBackendLibrary implements UnadoptableNode {
@TruffleBoundary
@Override
public Object getSimpleType(Object receiver_, NativeSimpleType type) {
return INSTANCE.getUncached(receiver_).getSimpleType(receiver_, type);
}
@TruffleBoundary
@Override
public Object getArrayType(Object receiver_, NativeSimpleType type) {
return INSTANCE.getUncached(receiver_).getArrayType(receiver_, type);
}
@TruffleBoundary
@Override
public Object getEnvType(Object receiver_) {
return INSTANCE.getUncached(receiver_).getEnvType(receiver_);
}
@TruffleBoundary
@Override
public Object createSignatureBuilder(Object receiver_) {
return INSTANCE.getUncached(receiver_).createSignatureBuilder(receiver_);
}
@TruffleBoundary
@Override
public boolean accepts(Object receiver_) {
return true;
}
}
@GeneratedBy(NFIBackendLibrary.class)
private static final class CachedDispatchNext extends CachedDispatch {
CachedDispatchNext(NFIBackendLibrary library, CachedDispatch next) {
super(library, next);
}
@Override
int getLimit() {
throw CompilerDirectives.shouldNotReachHere();
}
}
@GeneratedBy(NFIBackendLibrary.class)
private static final class CachedDispatchFirst extends CachedDispatch {
private final int limit_;
CachedDispatchFirst(NFIBackendLibrary library, CachedDispatch next, int limit_) {
super(library, next);
this.limit_ = limit_;
}
@Override
int getLimit() {
return this.limit_;
}
}
@GeneratedBy(NFIBackendLibrary.class)
private abstract static class CachedDispatch extends NFIBackendLibrary {
@Child NFIBackendLibrary library;
@Child CachedDispatch next;
CachedDispatch(NFIBackendLibrary library, CachedDispatch next) {
this.library = library;
this.next = next;
}
abstract int getLimit();
@ExplodeLoop
@Override
public Object getSimpleType(Object receiver_, NativeSimpleType type) {
do {
CachedDispatch current = this;
do {
NFIBackendLibrary thisLibrary = current.library;
if (thisLibrary != null && thisLibrary.accepts(receiver_)) {
return thisLibrary.getSimpleType(receiver_, type);
}
current = current.next;
} while (current != null);
CompilerDirectives.transferToInterpreterAndInvalidate();
specialize(receiver_);
} while (true);
}
@ExplodeLoop
@Override
public Object getArrayType(Object receiver_, NativeSimpleType type) {
do {
CachedDispatch current = this;
do {
NFIBackendLibrary thisLibrary = current.library;
if (thisLibrary != null && thisLibrary.accepts(receiver_)) {
return thisLibrary.getArrayType(receiver_, type);
}
current = current.next;
} while (current != null);
CompilerDirectives.transferToInterpreterAndInvalidate();
specialize(receiver_);
} while (true);
}
@ExplodeLoop
@Override
public Object getEnvType(Object receiver_) {
do {
CachedDispatch current = this;
do {
NFIBackendLibrary thisLibrary = current.library;
if (thisLibrary != null && thisLibrary.accepts(receiver_)) {
return thisLibrary.getEnvType(receiver_);
}
current = current.next;
} while (current != null);
CompilerDirectives.transferToInterpreterAndInvalidate();
specialize(receiver_);
} while (true);
}
@ExplodeLoop
@Override
public Object createSignatureBuilder(Object receiver_) {
do {
CachedDispatch current = this;
do {
NFIBackendLibrary thisLibrary = current.library;
if (thisLibrary != null && thisLibrary.accepts(receiver_)) {
return thisLibrary.createSignatureBuilder(receiver_);
}
current = current.next;
} while (current != null);
CompilerDirectives.transferToInterpreterAndInvalidate();
specialize(receiver_);
} while (true);
}
@Override
public boolean accepts(Object receiver_) {
return true;
}
private void specialize(Object receiver_) {
Lock lock = getLock();
lock.lock();
try {
CachedDispatch current = this;
NFIBackendLibrary thisLibrary = current.library;
if (thisLibrary == null) {
this.library = insert(INSTANCE.create(receiver_));
} else {
int count = 0;
do {
NFIBackendLibrary currentLibrary = current.library;
if (currentLibrary != null && currentLibrary.accepts(receiver_)) {
return;
}
count++;
current = current.next;
} while (current != null);
if (count >= getLimit()) {
this.library = insert(new CachedToUncachedDispatch());
this.next = null;
} else {
this.next = insert(new CachedDispatchNext(INSTANCE.create(receiver_), next));
}
}
} finally {
lock.unlock();
}
}
}
}