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Truffle SL is an example language implemented using the Truffle API.
// CheckStyle: start generated
package com.oracle.truffle.sl.nodes.util;
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.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.api.nodes.UnexpectedResultException;
import com.oracle.truffle.sl.nodes.SLExpressionNode;
import com.oracle.truffle.sl.nodes.SLTypes;
import com.oracle.truffle.sl.nodes.SLTypesGen;
import com.oracle.truffle.sl.runtime.SLBigNumber;
import com.oracle.truffle.sl.runtime.SLFunction;
import com.oracle.truffle.sl.runtime.SLNull;
import java.util.concurrent.locks.Lock;
@GeneratedBy(SLUnboxNode.class)
@SuppressWarnings("unused")
public final class SLUnboxNodeGen extends SLUnboxNode {
private static final LibraryFactory INTEROP_LIBRARY_ = LibraryFactory.resolve(InteropLibrary.class);
@Child private SLExpressionNode child0_;
@CompilationFinal private volatile int state_0_;
@CompilationFinal private volatile int exclude_;
@Child private FromForeign0Data fromForeign0_cache;
private SLUnboxNodeGen(SLExpressionNode child0) {
this.child0_ = child0;
}
@Override
public Object executeGeneric(VirtualFrame frameValue) {
int state_0 = this.state_0_;
if ((state_0 & 0b11111101) == 0 /* only-active fromBoolean(boolean) */ && ((state_0 & 0b11111111) != 0 /* is-not fromString(String) && fromBoolean(boolean) && fromLong(long) && fromBigNumber(SLBigNumber) && fromFunction(SLFunction) && fromFunction(SLNull) && fromForeign(Object, InteropLibrary) && fromForeign(Object, InteropLibrary) */)) {
return executeGeneric_boolean0(state_0, frameValue);
} else if ((state_0 & 0b11111011) == 0 /* only-active fromLong(long) */ && ((state_0 & 0b11111111) != 0 /* is-not fromString(String) && fromBoolean(boolean) && fromLong(long) && fromBigNumber(SLBigNumber) && fromFunction(SLFunction) && fromFunction(SLNull) && fromForeign(Object, InteropLibrary) && fromForeign(Object, InteropLibrary) */)) {
return executeGeneric_long1(state_0, frameValue);
} else {
return executeGeneric_generic2(state_0, frameValue);
}
}
private Object executeGeneric_boolean0(int state_0, VirtualFrame frameValue) {
boolean child0Value_;
try {
child0Value_ = this.child0_.executeBoolean(frameValue);
} catch (UnexpectedResultException ex) {
return executeAndSpecialize(ex.getResult());
}
assert (state_0 & 0b10) != 0 /* is-state_0 fromBoolean(boolean) */;
return SLUnboxNode.fromBoolean(child0Value_);
}
private Object executeGeneric_long1(int state_0, VirtualFrame frameValue) {
long child0Value_;
try {
child0Value_ = this.child0_.executeLong(frameValue);
} catch (UnexpectedResultException ex) {
return executeAndSpecialize(ex.getResult());
}
assert (state_0 & 0b100) != 0 /* is-state_0 fromLong(long) */;
return SLUnboxNode.fromLong(child0Value_);
}
@SuppressWarnings("static-method")
@TruffleBoundary
private Object fromForeign1Boundary(int state_0, Object child0Value_) {
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(this);
try {
{
InteropLibrary fromForeign1_interop__ = (INTEROP_LIBRARY_.getUncached(child0Value_));
return SLUnboxNode.fromForeign(child0Value_, fromForeign1_interop__);
}
} finally {
encapsulating_.set(prev_);
}
}
@ExplodeLoop
private Object executeGeneric_generic2(int state_0, VirtualFrame frameValue) {
Object child0Value_ = this.child0_.executeGeneric(frameValue);
if ((state_0 & 0b1) != 0 /* is-state_0 fromString(String) */ && child0Value_ instanceof String) {
String child0Value__ = (String) child0Value_;
return SLUnboxNode.fromString(child0Value__);
}
if ((state_0 & 0b10) != 0 /* is-state_0 fromBoolean(boolean) */ && child0Value_ instanceof Boolean) {
boolean child0Value__ = (boolean) child0Value_;
return SLUnboxNode.fromBoolean(child0Value__);
}
if ((state_0 & 0b100) != 0 /* is-state_0 fromLong(long) */ && child0Value_ instanceof Long) {
long child0Value__ = (long) child0Value_;
return SLUnboxNode.fromLong(child0Value__);
}
if ((state_0 & 0b1000) != 0 /* is-state_0 fromBigNumber(SLBigNumber) */ && SLTypesGen.isImplicitSLBigNumber((state_0 & 0b1100000000) >>> 8 /* extract-implicit-state_0 0:SLBigNumber */, child0Value_)) {
SLBigNumber child0Value__ = SLTypesGen.asImplicitSLBigNumber((state_0 & 0b1100000000) >>> 8 /* extract-implicit-state_0 0:SLBigNumber */, child0Value_);
return SLUnboxNode.fromBigNumber(child0Value__);
}
if ((state_0 & 0b10000) != 0 /* is-state_0 fromFunction(SLFunction) */ && child0Value_ instanceof SLFunction) {
SLFunction child0Value__ = (SLFunction) child0Value_;
return SLUnboxNode.fromFunction(child0Value__);
}
if ((state_0 & 0b100000) != 0 /* is-state_0 fromFunction(SLNull) */ && SLTypes.isSLNull(child0Value_)) {
SLNull child0Value__ = SLTypes.asSLNull(child0Value_);
return SLUnboxNode.fromFunction(child0Value__);
}
if ((state_0 & 0b11000000) != 0 /* is-state_0 fromForeign(Object, InteropLibrary) || fromForeign(Object, InteropLibrary) */) {
if ((state_0 & 0b1000000) != 0 /* is-state_0 fromForeign(Object, InteropLibrary) */) {
FromForeign0Data s6_ = this.fromForeign0_cache;
while (s6_ != null) {
if ((s6_.interop_.accepts(child0Value_))) {
return SLUnboxNode.fromForeign(child0Value_, s6_.interop_);
}
s6_ = s6_.next_;
}
}
if ((state_0 & 0b10000000) != 0 /* is-state_0 fromForeign(Object, InteropLibrary) */) {
return this.fromForeign1Boundary(state_0, child0Value_);
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return executeAndSpecialize(child0Value_);
}
@Override
public boolean executeBoolean(VirtualFrame frameValue) throws UnexpectedResultException {
int state_0 = this.state_0_;
if ((state_0 & 0b11000000) != 0 /* is-state_0 fromForeign(Object, InteropLibrary) || fromForeign(Object, InteropLibrary) */) {
return SLTypesGen.expectBoolean(executeGeneric(frameValue));
}
boolean child0Value_;
try {
child0Value_ = this.child0_.executeBoolean(frameValue);
} catch (UnexpectedResultException ex) {
return SLTypesGen.expectBoolean(executeAndSpecialize(ex.getResult()));
}
if ((state_0 & 0b10) != 0 /* is-state_0 fromBoolean(boolean) */) {
return SLUnboxNode.fromBoolean(child0Value_);
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return SLTypesGen.expectBoolean(executeAndSpecialize(child0Value_));
}
@Override
public long executeLong(VirtualFrame frameValue) throws UnexpectedResultException {
int state_0 = this.state_0_;
if ((state_0 & 0b11000000) != 0 /* is-state_0 fromForeign(Object, InteropLibrary) || fromForeign(Object, InteropLibrary) */) {
return SLTypesGen.expectLong(executeGeneric(frameValue));
}
long child0Value_;
try {
child0Value_ = this.child0_.executeLong(frameValue);
} catch (UnexpectedResultException ex) {
return SLTypesGen.expectLong(executeAndSpecialize(ex.getResult()));
}
if ((state_0 & 0b100) != 0 /* is-state_0 fromLong(long) */) {
return SLUnboxNode.fromLong(child0Value_);
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return SLTypesGen.expectLong(executeAndSpecialize(child0Value_));
}
@Override
public void executeVoid(VirtualFrame frameValue) {
int state_0 = this.state_0_;
try {
if ((state_0 & 0b11111011) == 0 /* only-active fromLong(long) */ && ((state_0 & 0b11111111) != 0 /* is-not fromString(String) && fromBoolean(boolean) && fromLong(long) && fromBigNumber(SLBigNumber) && fromFunction(SLFunction) && fromFunction(SLNull) && fromForeign(Object, InteropLibrary) && fromForeign(Object, InteropLibrary) */)) {
executeLong(frameValue);
return;
} else if ((state_0 & 0b11111101) == 0 /* only-active fromBoolean(boolean) */ && ((state_0 & 0b11111111) != 0 /* is-not fromString(String) && fromBoolean(boolean) && fromLong(long) && fromBigNumber(SLBigNumber) && fromFunction(SLFunction) && fromFunction(SLNull) && fromForeign(Object, InteropLibrary) && fromForeign(Object, InteropLibrary) */)) {
executeBoolean(frameValue);
return;
}
executeGeneric(frameValue);
return;
} catch (UnexpectedResultException ex) {
return;
}
}
private Object executeAndSpecialize(Object child0Value) {
Lock lock = getLock();
boolean hasLock = true;
lock.lock();
try {
int state_0 = this.state_0_;
int exclude = this.exclude_;
if (child0Value instanceof String) {
String child0Value_ = (String) child0Value;
this.state_0_ = state_0 = state_0 | 0b1 /* add-state_0 fromString(String) */;
lock.unlock();
hasLock = false;
return SLUnboxNode.fromString(child0Value_);
}
if (child0Value instanceof Boolean) {
boolean child0Value_ = (boolean) child0Value;
this.state_0_ = state_0 = state_0 | 0b10 /* add-state_0 fromBoolean(boolean) */;
lock.unlock();
hasLock = false;
return SLUnboxNode.fromBoolean(child0Value_);
}
if (child0Value instanceof Long) {
long child0Value_ = (long) child0Value;
this.state_0_ = state_0 = state_0 | 0b100 /* add-state_0 fromLong(long) */;
lock.unlock();
hasLock = false;
return SLUnboxNode.fromLong(child0Value_);
}
{
int sLBigNumberCast0;
if ((sLBigNumberCast0 = SLTypesGen.specializeImplicitSLBigNumber(child0Value)) != 0) {
SLBigNumber child0Value_ = SLTypesGen.asImplicitSLBigNumber(sLBigNumberCast0, child0Value);
state_0 = (state_0 | (sLBigNumberCast0 << 8) /* set-implicit-state_0 0:SLBigNumber */);
this.state_0_ = state_0 = state_0 | 0b1000 /* add-state_0 fromBigNumber(SLBigNumber) */;
lock.unlock();
hasLock = false;
return SLUnboxNode.fromBigNumber(child0Value_);
}
}
if (child0Value instanceof SLFunction) {
SLFunction child0Value_ = (SLFunction) child0Value;
this.state_0_ = state_0 = state_0 | 0b10000 /* add-state_0 fromFunction(SLFunction) */;
lock.unlock();
hasLock = false;
return SLUnboxNode.fromFunction(child0Value_);
}
if (SLTypes.isSLNull(child0Value)) {
SLNull child0Value_ = SLTypes.asSLNull(child0Value);
this.state_0_ = state_0 = state_0 | 0b100000 /* add-state_0 fromFunction(SLNull) */;
lock.unlock();
hasLock = false;
return SLUnboxNode.fromFunction(child0Value_);
}
if ((exclude) == 0 /* is-not-exclude fromForeign(Object, InteropLibrary) */) {
int count6_ = 0;
FromForeign0Data s6_ = this.fromForeign0_cache;
if ((state_0 & 0b1000000) != 0 /* is-state_0 fromForeign(Object, InteropLibrary) */) {
while (s6_ != null) {
if ((s6_.interop_.accepts(child0Value))) {
break;
}
s6_ = s6_.next_;
count6_++;
}
}
if (s6_ == null) {
// assert (s6_.interop_.accepts(child0Value));
if (count6_ < (SLUnboxNode.LIMIT)) {
s6_ = super.insert(new FromForeign0Data(fromForeign0_cache));
s6_.interop_ = s6_.insertAccessor((INTEROP_LIBRARY_.create(child0Value)));
MemoryFence.storeStore();
this.fromForeign0_cache = s6_;
this.state_0_ = state_0 = state_0 | 0b1000000 /* add-state_0 fromForeign(Object, InteropLibrary) */;
}
}
if (s6_ != null) {
lock.unlock();
hasLock = false;
return SLUnboxNode.fromForeign(child0Value, s6_.interop_);
}
}
{
InteropLibrary fromForeign1_interop__ = null;
{
EncapsulatingNodeReference encapsulating_ = EncapsulatingNodeReference.getCurrent();
Node prev_ = encapsulating_.set(this);
try {
fromForeign1_interop__ = (INTEROP_LIBRARY_.getUncached(child0Value));
this.exclude_ = exclude = exclude | 0b1 /* add-exclude fromForeign(Object, InteropLibrary) */;
this.fromForeign0_cache = null;
state_0 = state_0 & 0xffffffbf /* remove-state_0 fromForeign(Object, InteropLibrary) */;
this.state_0_ = state_0 = state_0 | 0b10000000 /* add-state_0 fromForeign(Object, InteropLibrary) */;
lock.unlock();
hasLock = false;
return SLUnboxNode.fromForeign(child0Value, fromForeign1_interop__);
} finally {
encapsulating_.set(prev_);
}
}
}
} finally {
if (hasLock) {
lock.unlock();
}
}
}
@Override
public NodeCost getCost() {
int state_0 = this.state_0_;
if ((state_0 & 0b11111111) == 0) {
return NodeCost.UNINITIALIZED;
} else {
if (((state_0 & 0b11111111) & ((state_0 & 0b11111111) - 1)) == 0 /* is-single-state_0 */) {
FromForeign0Data s6_ = this.fromForeign0_cache;
if ((s6_ == null || s6_.next_ == null)) {
return NodeCost.MONOMORPHIC;
}
}
}
return NodeCost.POLYMORPHIC;
}
public static SLUnboxNode create(SLExpressionNode child0) {
return new SLUnboxNodeGen(child0);
}
@GeneratedBy(SLUnboxNode.class)
private static final class FromForeign0Data extends Node {
@Child FromForeign0Data next_;
@Child InteropLibrary interop_;
FromForeign0Data(FromForeign0Data next_) {
this.next_ = next_;
}
@Override
public NodeCost getCost() {
return NodeCost.NONE;
}
T insertAccessor(T node) {
return super.insert(node);
}
}
}