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Truffle is a multi-language framework for executing dynamic languages
that achieves high performance when combined with Graal.
// CheckStyle: start generated
package com.oracle.truffle.api.library;
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.library.ReflectionLibraryDefault.Send;
import com.oracle.truffle.api.nodes.ExplodeLoop;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.NodeCost;
import java.util.concurrent.locks.Lock;
@GeneratedBy(ReflectionLibraryDefault.class)
final class ReflectionLibraryDefaultGen {
private static final LibraryFactory DYNAMIC_DISPATCH_LIBRARY_ = LibraryFactory.resolve(DynamicDispatchLibrary.class);
static {
LibraryExport.register(ReflectionLibraryDefault.class, new ReflectionLibraryExports());
}
private ReflectionLibraryDefaultGen() {
}
@GeneratedBy(ReflectionLibraryDefault.class)
private static final class ReflectionLibraryExports extends LibraryExport {
private ReflectionLibraryExports() {
super(ReflectionLibrary.class, Object.class, true);
}
@Override
protected ReflectionLibrary createUncached(Object receiver) {
ReflectionLibrary uncached = new Uncached(receiver);
return uncached;
}
@Override
protected ReflectionLibrary createCached(Object receiver) {
return new Cached(receiver);
}
@GeneratedBy(ReflectionLibraryDefault.class)
private static final class Cached extends ReflectionLibrary {
@Child private DynamicDispatchLibrary dynamicDispatch_;
private final Class dynamicDispatchTarget_;
@CompilationFinal private volatile int state_;
@CompilationFinal private volatile int exclude_;
@Child private SendCachedData sendCached_cache;
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_;
}
@ExplodeLoop
@Override
public Object send(Object arg0Value, Message arg1Value, Object... arg2Value) throws Exception {
assert this.accepts(arg0Value) : "Invalid library usage. Library does not accept given receiver.";
assert getRootNode() != null : "Invalid libray usage. Cached library must be adopted by a RootNode before it is executed.";
int state = state_;
if (state != 0 /* is-active doSendCached(Object, Message, Object[], Message, Library) || doSendGeneric(Object, Message, Object[]) */) {
if ((state & 0b1) != 0 /* is-active doSendCached(Object, Message, Object[], Message, Library) */) {
SendCachedData s1_ = this.sendCached_cache;
while (s1_ != null) {
if ((arg1Value == s1_.cachedMessage_) && (s1_.cachedLibrary_.accepts(arg0Value))) {
return Send.doSendCached(arg0Value, arg1Value, arg2Value, s1_.cachedMessage_, s1_.cachedLibrary_);
}
s1_ = s1_.next_;
}
}
if ((state & 0b10) != 0 /* is-active doSendGeneric(Object, Message, Object[]) */) {
return Send.doSendGeneric(arg0Value, arg1Value, arg2Value);
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return executeAndSpecialize(arg0Value, arg1Value, arg2Value);
}
private Object executeAndSpecialize(Object arg0Value, Message arg1Value, Object[] arg2Value) throws Exception {
Lock lock = getLock();
boolean hasLock = true;
lock.lock();
int state = state_;
int exclude = exclude_;
try {
if ((exclude) == 0 /* is-not-excluded doSendCached(Object, Message, Object[], Message, Library) */) {
int count1_ = 0;
SendCachedData s1_ = this.sendCached_cache;
if ((state & 0b1) != 0 /* is-active doSendCached(Object, Message, Object[], Message, Library) */) {
while (s1_ != null) {
if ((arg1Value == s1_.cachedMessage_) && (s1_.cachedLibrary_.accepts(arg0Value))) {
break;
}
s1_ = s1_.next_;
count1_++;
}
}
if (s1_ == null) {
{
Library cachedLibrary__ = super.insert((Send.createLibrary(arg1Value, arg0Value)));
// assert (arg1Value == s1_.cachedMessage_);
if ((cachedLibrary__.accepts(arg0Value)) && count1_ < (ReflectionLibraryDefault.LIMIT)) {
s1_ = super.insert(new SendCachedData(sendCached_cache));
s1_.cachedMessage_ = (arg1Value);
s1_.cachedLibrary_ = s1_.insertAccessor(cachedLibrary__);
this.sendCached_cache = s1_;
this.state_ = state = state | 0b1 /* add-active doSendCached(Object, Message, Object[], Message, Library) */;
}
}
}
if (s1_ != null) {
lock.unlock();
hasLock = false;
return Send.doSendCached(arg0Value, arg1Value, arg2Value, s1_.cachedMessage_, s1_.cachedLibrary_);
}
}
this.exclude_ = exclude = exclude | 0b1 /* add-excluded doSendCached(Object, Message, Object[], Message, Library) */;
this.sendCached_cache = null;
state = state & 0xfffffffe /* remove-active doSendCached(Object, Message, Object[], Message, Library) */;
this.state_ = state = state | 0b10 /* add-active doSendGeneric(Object, Message, Object[]) */;
lock.unlock();
hasLock = false;
return Send.doSendGeneric(arg0Value, arg1Value, arg2Value);
} finally {
if (hasLock) {
lock.unlock();
}
}
}
@Override
public NodeCost getCost() {
int state = state_;
if (state == 0b0) {
return NodeCost.UNINITIALIZED;
} else if ((state & (state - 1)) == 0 /* is-single-active */) {
SendCachedData s1_ = this.sendCached_cache;
if ((s1_ == null || s1_.next_ == null)) {
return NodeCost.MONOMORPHIC;
}
}
return NodeCost.POLYMORPHIC;
}
@GeneratedBy(ReflectionLibraryDefault.class)
private static final class SendCachedData extends Node {
@Child SendCachedData next_;
@CompilationFinal Message cachedMessage_;
@Child Library cachedLibrary_;
SendCachedData(SendCachedData next_) {
this.next_ = next_;
}
@Override
public NodeCost getCost() {
return NodeCost.NONE;
}
T insertAccessor(T node) {
return super.insert(node);
}
}
}
@GeneratedBy(ReflectionLibraryDefault.class)
private static final class Uncached extends ReflectionLibrary {
@Child private DynamicDispatchLibrary dynamicDispatch_;
private final Class dynamicDispatchTarget_;
Uncached(Object receiver) {
this.dynamicDispatch_ = DYNAMIC_DISPATCH_LIBRARY_.getUncached(receiver);
this.dynamicDispatchTarget_ = dynamicDispatch_.dispatch(receiver);
}
@TruffleBoundary
@Override
public boolean accepts(Object receiver) {
return dynamicDispatch_.accepts(receiver) && dynamicDispatch_.dispatch(receiver) == dynamicDispatchTarget_;
}
@Override
public boolean isAdoptable() {
return false;
}
@Override
public NodeCost getCost() {
return NodeCost.MEGAMORPHIC;
}
@TruffleBoundary
@Override
public Object send(Object arg0Value, Message arg1Value, Object... arg2Value) throws Exception {
assert this.accepts(arg0Value) : "Invalid library usage. Library does not accept given receiver.";
return Send.doSendGeneric(arg0Value, arg1Value, arg2Value);
}
}
}
}