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Truffle SL is an example language implemented using the Truffle API.
// CheckStyle: start generated
package com.oracle.truffle.sl.nodes.expression;
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.UnsupportedSpecializationException;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.library.LibraryFactory;
import com.oracle.truffle.api.memory.MemoryFence;
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.NodeCost;
import com.oracle.truffle.sl.nodes.SLExpressionNode;
import com.oracle.truffle.sl.nodes.util.SLToMemberNode;
import com.oracle.truffle.sl.nodes.util.SLToMemberNodeGen;
import java.util.concurrent.locks.Lock;
@GeneratedBy(SLReadPropertyNode.class)
@SuppressWarnings("unused")
public final class SLReadPropertyNodeGen extends SLReadPropertyNode {
private static final LibraryFactory INTEROP_LIBRARY_ = LibraryFactory.resolve(InteropLibrary.class);
@Child private SLExpressionNode receiverNode_;
@Child private SLExpressionNode nameNode_;
@CompilationFinal private volatile int state_0_;
@CompilationFinal private volatile int exclude_;
@Child private ReadArray0Data readArray0_cache;
@Child private ReadObject0Data readObject0_cache;
@Child private SLToMemberNode readObject1_asMember_;
private SLReadPropertyNodeGen(SLExpressionNode receiverNode, SLExpressionNode nameNode) {
this.receiverNode_ = receiverNode;
this.nameNode_ = nameNode;
}
@ExplodeLoop
@Override
public Object executeGeneric(VirtualFrame frameValue) {
int state_0 = this.state_0_;
Object receiverNodeValue_ = this.receiverNode_.executeGeneric(frameValue);
Object nameNodeValue_ = this.nameNode_.executeGeneric(frameValue);
if (state_0 != 0 /* is-state_0 readArray(Object, Object, InteropLibrary, InteropLibrary) || readArray(Object, Object, InteropLibrary, InteropLibrary) || readObject(Object, Object, InteropLibrary, SLToMemberNode) || readObject(Object, Object, InteropLibrary, SLToMemberNode) */) {
if ((state_0 & 0b1) != 0 /* is-state_0 readArray(Object, Object, InteropLibrary, InteropLibrary) */) {
ReadArray0Data s0_ = this.readArray0_cache;
while (s0_ != null) {
if ((s0_.arrays_.accepts(receiverNodeValue_)) && (s0_.numbers_.accepts(nameNodeValue_)) && (s0_.arrays_.hasArrayElements(receiverNodeValue_))) {
return readArray(receiverNodeValue_, nameNodeValue_, s0_.arrays_, s0_.numbers_);
}
s0_ = s0_.next_;
}
}
if ((state_0 & 0b10) != 0 /* is-state_0 readArray(Object, Object, InteropLibrary, InteropLibrary) */) {
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(this);
try {
{
InteropLibrary readArray1_arrays__ = (INTEROP_LIBRARY_.getUncached());
if ((readArray1_arrays__.hasArrayElements(receiverNodeValue_))) {
return this.readArray1Boundary(state_0, receiverNodeValue_, nameNodeValue_);
}
}
} finally {
encapsulating_.set(prev_);
}
}
if ((state_0 & 0b100) != 0 /* is-state_0 readObject(Object, Object, InteropLibrary, SLToMemberNode) */) {
ReadObject0Data s2_ = this.readObject0_cache;
while (s2_ != null) {
if ((s2_.objects_.accepts(receiverNodeValue_)) && (s2_.objects_.hasMembers(receiverNodeValue_))) {
return readObject(receiverNodeValue_, nameNodeValue_, s2_.objects_, s2_.asMember_);
}
s2_ = s2_.next_;
}
}
if ((state_0 & 0b1000) != 0 /* is-state_0 readObject(Object, Object, InteropLibrary, SLToMemberNode) */) {
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(this);
try {
{
InteropLibrary readObject1_objects__ = (INTEROP_LIBRARY_.getUncached());
if ((readObject1_objects__.hasMembers(receiverNodeValue_))) {
return this.readObject1Boundary(state_0, receiverNodeValue_, nameNodeValue_);
}
}
} finally {
encapsulating_.set(prev_);
}
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return executeAndSpecialize(receiverNodeValue_, nameNodeValue_);
}
@SuppressWarnings("static-method")
@TruffleBoundary
private Object readArray1Boundary(int state_0, Object receiverNodeValue_, Object nameNodeValue_) {
{
InteropLibrary readArray1_arrays__ = (INTEROP_LIBRARY_.getUncached());
InteropLibrary readArray1_numbers__ = (INTEROP_LIBRARY_.getUncached());
return readArray(receiverNodeValue_, nameNodeValue_, readArray1_arrays__, readArray1_numbers__);
}
}
@SuppressWarnings("static-method")
@TruffleBoundary
private Object readObject1Boundary(int state_0, Object receiverNodeValue_, Object nameNodeValue_) {
{
InteropLibrary readObject1_objects__ = (INTEROP_LIBRARY_.getUncached());
return readObject(receiverNodeValue_, nameNodeValue_, readObject1_objects__, this.readObject1_asMember_);
}
}
@Override
public void executeVoid(VirtualFrame frameValue) {
executeGeneric(frameValue);
return;
}
private Object executeAndSpecialize(Object receiverNodeValue, Object nameNodeValue) {
Lock lock = getLock();
boolean hasLock = true;
lock.lock();
try {
int state_0 = this.state_0_;
int exclude = this.exclude_;
if (((exclude & 0b1)) == 0 /* is-not-exclude readArray(Object, Object, InteropLibrary, InteropLibrary) */) {
int count0_ = 0;
ReadArray0Data s0_ = this.readArray0_cache;
if ((state_0 & 0b1) != 0 /* is-state_0 readArray(Object, Object, InteropLibrary, InteropLibrary) */) {
while (s0_ != null) {
if ((s0_.arrays_.accepts(receiverNodeValue)) && (s0_.numbers_.accepts(nameNodeValue)) && (s0_.arrays_.hasArrayElements(receiverNodeValue))) {
break;
}
s0_ = s0_.next_;
count0_++;
}
}
if (s0_ == null) {
{
InteropLibrary arrays__ = super.insert((INTEROP_LIBRARY_.create(receiverNodeValue)));
// assert (s0_.arrays_.accepts(receiverNodeValue));
// assert (s0_.numbers_.accepts(nameNodeValue));
if ((arrays__.hasArrayElements(receiverNodeValue)) && count0_ < (SLReadPropertyNode.LIBRARY_LIMIT)) {
s0_ = super.insert(new ReadArray0Data(readArray0_cache));
s0_.arrays_ = s0_.insertAccessor(arrays__);
s0_.numbers_ = s0_.insertAccessor((INTEROP_LIBRARY_.create(nameNodeValue)));
MemoryFence.storeStore();
this.readArray0_cache = s0_;
this.state_0_ = state_0 = state_0 | 0b1 /* add-state_0 readArray(Object, Object, InteropLibrary, InteropLibrary) */;
}
}
}
if (s0_ != null) {
lock.unlock();
hasLock = false;
return readArray(receiverNodeValue, nameNodeValue, s0_.arrays_, s0_.numbers_);
}
}
{
InteropLibrary readArray1_numbers__ = null;
InteropLibrary readArray1_arrays__ = null;
{
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(this);
try {
{
readArray1_arrays__ = (INTEROP_LIBRARY_.getUncached());
if ((readArray1_arrays__.hasArrayElements(receiverNodeValue))) {
readArray1_numbers__ = (INTEROP_LIBRARY_.getUncached());
this.exclude_ = exclude = exclude | 0b1 /* add-exclude readArray(Object, Object, InteropLibrary, InteropLibrary) */;
this.readArray0_cache = null;
state_0 = state_0 & 0xfffffffe /* remove-state_0 readArray(Object, Object, InteropLibrary, InteropLibrary) */;
this.state_0_ = state_0 = state_0 | 0b10 /* add-state_0 readArray(Object, Object, InteropLibrary, InteropLibrary) */;
lock.unlock();
hasLock = false;
return readArray(receiverNodeValue, nameNodeValue, readArray1_arrays__, readArray1_numbers__);
}
}
} finally {
encapsulating_.set(prev_);
}
}
}
if (((exclude & 0b10)) == 0 /* is-not-exclude readObject(Object, Object, InteropLibrary, SLToMemberNode) */) {
int count2_ = 0;
ReadObject0Data s2_ = this.readObject0_cache;
if ((state_0 & 0b100) != 0 /* is-state_0 readObject(Object, Object, InteropLibrary, SLToMemberNode) */) {
while (s2_ != null) {
if ((s2_.objects_.accepts(receiverNodeValue)) && (s2_.objects_.hasMembers(receiverNodeValue))) {
break;
}
s2_ = s2_.next_;
count2_++;
}
}
if (s2_ == null) {
{
InteropLibrary objects__ = super.insert((INTEROP_LIBRARY_.create(receiverNodeValue)));
// assert (s2_.objects_.accepts(receiverNodeValue));
if ((objects__.hasMembers(receiverNodeValue)) && count2_ < (SLReadPropertyNode.LIBRARY_LIMIT)) {
s2_ = super.insert(new ReadObject0Data(readObject0_cache));
s2_.objects_ = s2_.insertAccessor(objects__);
s2_.asMember_ = s2_.insertAccessor((SLToMemberNodeGen.create()));
MemoryFence.storeStore();
this.readObject0_cache = s2_;
this.state_0_ = state_0 = state_0 | 0b100 /* add-state_0 readObject(Object, Object, InteropLibrary, SLToMemberNode) */;
}
}
}
if (s2_ != null) {
lock.unlock();
hasLock = false;
return readObject(receiverNodeValue, nameNodeValue, s2_.objects_, s2_.asMember_);
}
}
{
InteropLibrary readObject1_objects__ = null;
{
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(this);
try {
{
readObject1_objects__ = (INTEROP_LIBRARY_.getUncached());
if ((readObject1_objects__.hasMembers(receiverNodeValue))) {
this.readObject1_asMember_ = super.insert((SLToMemberNodeGen.create()));
this.exclude_ = exclude = exclude | 0b10 /* add-exclude readObject(Object, Object, InteropLibrary, SLToMemberNode) */;
this.readObject0_cache = null;
state_0 = state_0 & 0xfffffffb /* remove-state_0 readObject(Object, Object, InteropLibrary, SLToMemberNode) */;
this.state_0_ = state_0 = state_0 | 0b1000 /* add-state_0 readObject(Object, Object, InteropLibrary, SLToMemberNode) */;
lock.unlock();
hasLock = false;
return readObject(receiverNodeValue, nameNodeValue, readObject1_objects__, this.readObject1_asMember_);
}
}
} finally {
encapsulating_.set(prev_);
}
}
}
throw new UnsupportedSpecializationException(this, new Node[] {this.receiverNode_, this.nameNode_}, receiverNodeValue, nameNodeValue);
} finally {
if (hasLock) {
lock.unlock();
}
}
}
@Override
public NodeCost getCost() {
int state_0 = this.state_0_;
if (state_0 == 0) {
return NodeCost.UNINITIALIZED;
} else {
if ((state_0 & (state_0 - 1)) == 0 /* is-single-state_0 */) {
ReadArray0Data s0_ = this.readArray0_cache;
ReadObject0Data s2_ = this.readObject0_cache;
if ((s0_ == null || s0_.next_ == null) && (s2_ == null || s2_.next_ == null)) {
return NodeCost.MONOMORPHIC;
}
}
}
return NodeCost.POLYMORPHIC;
}
public static SLReadPropertyNode create(SLExpressionNode receiverNode, SLExpressionNode nameNode) {
return new SLReadPropertyNodeGen(receiverNode, nameNode);
}
@GeneratedBy(SLReadPropertyNode.class)
private static final class ReadArray0Data extends Node {
@Child ReadArray0Data next_;
@Child InteropLibrary arrays_;
@Child InteropLibrary numbers_;
ReadArray0Data(ReadArray0Data next_) {
this.next_ = next_;
}
@Override
public NodeCost getCost() {
return NodeCost.NONE;
}
T insertAccessor(T node) {
return super.insert(node);
}
}
@GeneratedBy(SLReadPropertyNode.class)
private static final class ReadObject0Data extends Node {
@Child ReadObject0Data next_;
@Child InteropLibrary objects_;
@Child SLToMemberNode asMember_;
ReadObject0Data(ReadObject0Data next_) {
this.next_ = next_;
}
@Override
public NodeCost getCost() {
return NodeCost.NONE;
}
T insertAccessor(T node) {
return super.insert(node);
}
}
}