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Native function interface for the Truffle framework.
// CheckStyle: start generated
package com.oracle.truffle.nfi;
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.dsl.NeverDefault;
import com.oracle.truffle.api.dsl.DSLSupport.SpecializationDataNode;
import com.oracle.truffle.api.dsl.InlineSupport.ReferenceField;
import com.oracle.truffle.api.dsl.InlineSupport.UnsafeAccessedField;
import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.library.LibraryFactory;
import com.oracle.truffle.api.nodes.DenyReplace;
import com.oracle.truffle.api.nodes.DirectCallNode;
import com.oracle.truffle.api.nodes.EncapsulatingNodeReference;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.api.nodes.IndirectCallNode;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.utilities.TruffleWeakReference;
import com.oracle.truffle.nfi.NFIRootNode.LoadLibraryNode;
import com.oracle.truffle.nfi.NFIRootNode.LookupAndBindNode;
import com.oracle.truffle.nfi.SignatureRootNode.BuildSignatureNode;
import com.oracle.truffle.nfi.api.SignatureLibrary;
import com.oracle.truffle.nfi.backend.spi.NFIBackend;
import com.oracle.truffle.nfi.backend.spi.types.NativeLibraryDescriptor;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;
import java.util.Objects;
@GeneratedBy(NFIRootNode.class)
@SuppressWarnings({"javadoc", "unused"})
final class NFIRootNodeFactory {
private static final LibraryFactory INTEROP_LIBRARY_ = LibraryFactory.resolve(InteropLibrary.class);
private static final LibraryFactory SIGNATURE_LIBRARY_ = LibraryFactory.resolve(SignatureLibrary.class);
/**
* Debug Info:
* Specialization {@link LookupAndBindNode#doLookupAndBind}
* Activation probability: 0.65000
* With/without class size: 19/8 bytes
* Specialization {@link LookupAndBindNode#doLookupAndBind}
* Activation probability: 0.35000
* With/without class size: 11/4 bytes
*
*/
@GeneratedBy(LookupAndBindNode.class)
@SuppressWarnings("javadoc")
static final class LookupAndBindNodeGen extends LookupAndBindNode {
static final ReferenceField LOOKUP_AND_BIND0_CACHE_UPDATER = ReferenceField.create(MethodHandles.lookup(), "lookupAndBind0_cache", LookupAndBind0Data.class);
/**
* State Info:
* 0: SpecializationActive {@link LookupAndBindNode#doLookupAndBind}
* 1: SpecializationActive {@link LookupAndBindNode#doLookupAndBind}
*
*/
@CompilationFinal private int state_0_;
@UnsafeAccessedField @Child private LookupAndBind0Data lookupAndBind0_cache;
/**
* Source Info:
* Specialization: {@link LookupAndBindNode#doLookupAndBind}
* Parameter: {@link SignatureLibrary} signatures
*/
@Child private SignatureLibrary lookupAndBind1_signatures_;
private LookupAndBindNodeGen(String name, BuildSignatureNode signature) {
super(name, signature);
}
@Override
Object execute(API arg0Value, Object arg1Value) {
int state_0 = this.state_0_;
if (state_0 != 0 /* is SpecializationActive[NFIRootNode.LookupAndBindNode.doLookupAndBind(API, Object, InteropLibrary, SignatureLibrary)] || SpecializationActive[NFIRootNode.LookupAndBindNode.doLookupAndBind(API, Object, InteropLibrary, SignatureLibrary)] */) {
if ((state_0 & 0b1) != 0 /* is SpecializationActive[NFIRootNode.LookupAndBindNode.doLookupAndBind(API, Object, InteropLibrary, SignatureLibrary)] */) {
LookupAndBind0Data s0_ = this.lookupAndBind0_cache;
if (s0_ != null) {
if ((s0_.libInterop_.accepts(arg1Value))) {
return doLookupAndBind(arg0Value, arg1Value, s0_.libInterop_, s0_.signatures_);
}
}
}
if ((state_0 & 0b10) != 0 /* is SpecializationActive[NFIRootNode.LookupAndBindNode.doLookupAndBind(API, Object, InteropLibrary, SignatureLibrary)] */) {
{
SignatureLibrary signatures__ = this.lookupAndBind1_signatures_;
if (signatures__ != null) {
return this.lookupAndBind1Boundary(state_0, arg0Value, arg1Value, signatures__);
}
}
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return executeAndSpecialize(arg0Value, arg1Value);
}
@SuppressWarnings("static-method")
@TruffleBoundary
private Object lookupAndBind1Boundary(int state_0, API arg0Value, Object arg1Value, SignatureLibrary signatures__) {
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(this);
try {
{
InteropLibrary libInterop__ = (INTEROP_LIBRARY_.getUncached(arg1Value));
return doLookupAndBind(arg0Value, arg1Value, libInterop__, signatures__);
}
} finally {
encapsulating_.set(prev_);
}
}
private Object executeAndSpecialize(API arg0Value, Object arg1Value) {
int state_0 = this.state_0_;
if (((state_0 & 0b10)) == 0 /* is-not SpecializationActive[NFIRootNode.LookupAndBindNode.doLookupAndBind(API, Object, InteropLibrary, SignatureLibrary)] */) {
while (true) {
int count0_ = 0;
LookupAndBind0Data s0_ = LOOKUP_AND_BIND0_CACHE_UPDATER.getVolatile(this);
LookupAndBind0Data s0_original = s0_;
while (s0_ != null) {
if ((s0_.libInterop_.accepts(arg1Value))) {
break;
}
count0_++;
s0_ = null;
break;
}
if (s0_ == null && count0_ < 1) {
// assert (s0_.libInterop_.accepts(arg1Value));
s0_ = this.insert(new LookupAndBind0Data());
InteropLibrary libInterop__ = s0_.insert((INTEROP_LIBRARY_.create(arg1Value)));
Objects.requireNonNull(libInterop__, "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.");
s0_.libInterop_ = libInterop__;
SignatureLibrary signatures__ = s0_.insert((SIGNATURE_LIBRARY_.createDispatched(1)));
Objects.requireNonNull(signatures__, "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.");
s0_.signatures_ = signatures__;
if (!LOOKUP_AND_BIND0_CACHE_UPDATER.compareAndSet(this, s0_original, s0_)) {
continue;
}
state_0 = state_0 | 0b1 /* add SpecializationActive[NFIRootNode.LookupAndBindNode.doLookupAndBind(API, Object, InteropLibrary, SignatureLibrary)] */;
this.state_0_ = state_0;
}
if (s0_ != null) {
return doLookupAndBind(arg0Value, arg1Value, s0_.libInterop_, s0_.signatures_);
}
break;
}
}
{
InteropLibrary libInterop__ = null;
{
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(this);
try {
libInterop__ = (INTEROP_LIBRARY_.getUncached(arg1Value));
SignatureLibrary signatures__ = this.insert((SIGNATURE_LIBRARY_.createDispatched(1)));
Objects.requireNonNull(signatures__, "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.lookupAndBind1_signatures_ = signatures__;
this.lookupAndBind0_cache = null;
state_0 = state_0 & 0xfffffffe /* remove SpecializationActive[NFIRootNode.LookupAndBindNode.doLookupAndBind(API, Object, InteropLibrary, SignatureLibrary)] */;
state_0 = state_0 | 0b10 /* add SpecializationActive[NFIRootNode.LookupAndBindNode.doLookupAndBind(API, Object, InteropLibrary, SignatureLibrary)] */;
this.state_0_ = state_0;
return doLookupAndBind(arg0Value, arg1Value, libInterop__, signatures__);
} finally {
encapsulating_.set(prev_);
}
}
}
}
@NeverDefault
public static LookupAndBindNode create(String name, BuildSignatureNode signature) {
return new LookupAndBindNodeGen(name, signature);
}
@GeneratedBy(LookupAndBindNode.class)
@DenyReplace
private static final class LookupAndBind0Data extends Node implements SpecializationDataNode {
/**
* Source Info:
* Specialization: {@link LookupAndBindNode#doLookupAndBind}
* Parameter: {@link InteropLibrary} libInterop
*/
@Child InteropLibrary libInterop_;
/**
* Source Info:
* Specialization: {@link LookupAndBindNode#doLookupAndBind}
* Parameter: {@link SignatureLibrary} signatures
*/
@Child SignatureLibrary signatures_;
LookupAndBind0Data() {
}
}
}
/**
* Debug Info:
* Specialization {@link LoadLibraryNode#doCached}
* Activation probability: 0.65000
* With/without class size: 22/8 bytes
* Specialization {@link LoadLibraryNode#doGeneric}
* Activation probability: 0.35000
* With/without class size: 11/4 bytes
*
*/
@GeneratedBy(LoadLibraryNode.class)
@SuppressWarnings("javadoc")
static final class LoadLibraryNodeGen extends LoadLibraryNode {
static final ReferenceField CACHED_CACHE_UPDATER = ReferenceField.create(MethodHandles.lookup(), "cached_cache", CachedData.class);
/**
* State Info:
* 0: SpecializationActive {@link LoadLibraryNode#doCached}
* 1: SpecializationActive {@link LoadLibraryNode#doGeneric}
*
*/
@CompilationFinal private int state_0_;
@UnsafeAccessedField @Child private CachedData cached_cache;
/**
* Source Info:
* Specialization: {@link LoadLibraryNode#doGeneric}
* Parameter: {@link IndirectCallNode} callNode
*/
@Child private IndirectCallNode generic_callNode_;
private LoadLibraryNodeGen(NativeLibraryDescriptor descriptor) {
super(descriptor);
}
@ExplodeLoop
@Override
protected Object execute(NFIBackend arg0Value) {
int state_0 = this.state_0_;
if (state_0 != 0 /* is SpecializationActive[NFIRootNode.LoadLibraryNode.doCached(NFIBackend, NFIBackend, DirectCallNode)] || SpecializationActive[NFIRootNode.LoadLibraryNode.doGeneric(NFIBackend, IndirectCallNode)] */) {
if ((state_0 & 0b1) != 0 /* is SpecializationActive[NFIRootNode.LoadLibraryNode.doCached(NFIBackend, NFIBackend, DirectCallNode)] */) {
CachedData s0_ = this.cached_cache;
while (s0_ != null) {
{
NFIBackend cachedBackend__ = (s0_.weakCachedBackendGen__.get());
if ((cachedBackend__ != null) && (arg0Value == cachedBackend__)) {
return doCached(arg0Value, cachedBackend__, s0_.callNode_);
}
}
s0_ = s0_.next_;
}
}
if ((state_0 & 0b10) != 0 /* is SpecializationActive[NFIRootNode.LoadLibraryNode.doGeneric(NFIBackend, IndirectCallNode)] */) {
{
IndirectCallNode callNode__ = this.generic_callNode_;
if (callNode__ != null) {
return doGeneric(arg0Value, callNode__);
}
}
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return executeAndSpecialize(arg0Value);
}
private Object executeAndSpecialize(NFIBackend arg0Value) {
int state_0 = this.state_0_;
{
NFIBackend cachedBackend__ = null;
if (((state_0 & 0b10)) == 0 /* is-not SpecializationActive[NFIRootNode.LoadLibraryNode.doGeneric(NFIBackend, IndirectCallNode)] */) {
while (true) {
int count0_ = 0;
CachedData s0_ = CACHED_CACHE_UPDATER.getVolatile(this);
CachedData s0_original = s0_;
while (s0_ != null) {
{
cachedBackend__ = (s0_.weakCachedBackendGen__.get());
if ((cachedBackend__ != null) && (arg0Value == cachedBackend__)) {
break;
}
}
count0_++;
s0_ = s0_.next_;
}
if (s0_ == null) {
{
TruffleWeakReference weakCachedBackendGen___ = (new TruffleWeakReference<>(arg0Value));
cachedBackend__ = (weakCachedBackendGen___.get());
if ((cachedBackend__ != null) && (arg0Value == cachedBackend__) && count0_ < (5)) {
s0_ = this.insert(new CachedData(s0_original));
s0_.weakCachedBackendGen__ = weakCachedBackendGen___;
s0_.callNode_ = s0_.insert((DirectCallNode.create(parseLibrary(cachedBackend__))));
if (!CACHED_CACHE_UPDATER.compareAndSet(this, s0_original, s0_)) {
continue;
}
state_0 = state_0 | 0b1 /* add SpecializationActive[NFIRootNode.LoadLibraryNode.doCached(NFIBackend, NFIBackend, DirectCallNode)] */;
this.state_0_ = state_0;
}
}
}
if (s0_ != null) {
return doCached(arg0Value, cachedBackend__, s0_.callNode_);
}
break;
}
}
}
VarHandle.storeStoreFence();
this.generic_callNode_ = this.insert((IndirectCallNode.create()));
this.cached_cache = null;
state_0 = state_0 & 0xfffffffe /* remove SpecializationActive[NFIRootNode.LoadLibraryNode.doCached(NFIBackend, NFIBackend, DirectCallNode)] */;
state_0 = state_0 | 0b10 /* add SpecializationActive[NFIRootNode.LoadLibraryNode.doGeneric(NFIBackend, IndirectCallNode)] */;
this.state_0_ = state_0;
return doGeneric(arg0Value, this.generic_callNode_);
}
@NeverDefault
public static LoadLibraryNode create(NativeLibraryDescriptor descriptor) {
return new LoadLibraryNodeGen(descriptor);
}
@GeneratedBy(LoadLibraryNode.class)
@DenyReplace
private static final class CachedData extends Node implements SpecializationDataNode {
@Child CachedData next_;
/**
* Source Info:
* Specialization: {@link LoadLibraryNode#doCached}
* Parameter: {@link TruffleWeakReference} weakCachedBackendGen_
*/
@CompilationFinal TruffleWeakReference weakCachedBackendGen__;
/**
* Source Info:
* Specialization: {@link LoadLibraryNode#doCached}
* Parameter: {@link DirectCallNode} callNode
*/
@Child DirectCallNode callNode_;
CachedData(CachedData next_) {
this.next_ = next_;
}
}
}
}