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Truffle SL is an example language implemented using the Truffle API.
// CheckStyle: start generated
package com.oracle.truffle.sl.nodes.local;
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.TruffleLanguage.ContextReference;
import com.oracle.truffle.api.dsl.GeneratedBy;
import com.oracle.truffle.api.frame.Frame;
import com.oracle.truffle.api.interop.NodeLibrary;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
import com.oracle.truffle.api.library.DynamicDispatchLibrary;
import com.oracle.truffle.api.library.LibraryExport;
import com.oracle.truffle.api.library.LibraryFactory;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.NodeCost;
import com.oracle.truffle.sl.SLLanguage;
import com.oracle.truffle.sl.runtime.SLContext;
import java.util.concurrent.locks.Lock;
@GeneratedBy(SLScopedNode.class)
final class SLScopedNodeGen {
private static final LibraryFactory DYNAMIC_DISPATCH_LIBRARY_ = LibraryFactory.resolve(DynamicDispatchLibrary.class);
static {
LibraryExport.register(SLScopedNode.class, new NodeLibraryExports());
}
private SLScopedNodeGen() {
}
@GeneratedBy(SLScopedNode.class)
private static final class NodeLibraryExports extends LibraryExport {
private NodeLibraryExports() {
super(NodeLibrary.class, SLScopedNode.class, false);
}
@Override
protected NodeLibrary createUncached(Object receiver) {
assert receiver instanceof SLScopedNode;
NodeLibrary uncached = new Uncached(receiver);
return uncached;
}
@Override
protected NodeLibrary createCached(Object receiver) {
assert receiver instanceof SLScopedNode;
return new Cached(receiver);
}
@GeneratedBy(SLScopedNode.class)
private static final class Cached extends NodeLibrary {
private final Class receiverClass_;
@CompilationFinal private volatile int state_;
@CompilationFinal private SLScopedNode node;
@CompilationFinal private ContextReference sLLanguageContextReference_;
@CompilationFinal private Node getScopeNode__blockNode_;
Cached(Object originalReceiver) {
SLScopedNode receiver = ((SLScopedNode) originalReceiver) ;
this.node = (receiver);
this.receiverClass_ = receiver.getClass();
}
@Override
public boolean accepts(Object receiver) {
assert receiver.getClass() != this.receiverClass_ || DYNAMIC_DISPATCH_LIBRARY_.getUncached().dispatch(receiver) == null : "Invalid library export. Exported receiver with dynamic dispatch found but not expected.";
return receiver.getClass() == this.receiverClass_ && accepts_(receiver);
}
private boolean accepts_(Object arg0Value_) {
SLScopedNode arg0Value = CompilerDirectives.castExact(arg0Value_, receiverClass_);
return arg0Value.accepts(this.node);
}
@Override
public NodeCost getCost() {
return NodeCost.MONOMORPHIC;
}
@Override
public boolean hasScope(Object receiver, Frame frame) {
assert this.accepts(receiver) : "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.";
return (CompilerDirectives.castExact(receiver, receiverClass_)).hasScope(frame);
}
@Override
public Object getScope(Object arg0Value_, Frame arg1Value, boolean arg2Value) throws UnsupportedMessageException {
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.";
SLScopedNode arg0Value = CompilerDirectives.castExact(arg0Value_, receiverClass_);
int state = state_;
if ((state & 0b1) != 0 /* is-active getScope(SLScopedNode, Frame, boolean, SLScopedNode, Node) */) {
return arg0Value.getScope(arg1Value, arg2Value, this.node, this.getScopeNode__blockNode_);
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return getScopeNode_AndSpecialize(arg0Value, arg1Value, arg2Value);
}
private Object getScopeNode_AndSpecialize(SLScopedNode arg0Value, Frame arg1Value, boolean arg2Value) {
Lock lock = getLock();
boolean hasLock = true;
lock.lock();
int state = state_;
try {
this.getScopeNode__blockNode_ = (arg0Value.findBlock());
this.state_ = state = state | 0b1 /* add-active getScope(SLScopedNode, Frame, boolean, SLScopedNode, Node) */;
lock.unlock();
hasLock = false;
return arg0Value.getScope(arg1Value, arg2Value, this.node, this.getScopeNode__blockNode_);
} finally {
if (hasLock) {
lock.unlock();
}
}
}
@Override
public boolean hasRootInstance(Object arg0Value_, Frame arg1Value) {
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.";
SLScopedNode arg0Value = CompilerDirectives.castExact(arg0Value_, receiverClass_);
int state = state_;
if ((state & 0b10) != 0 /* is-active hasRootInstance(SLScopedNode, Frame, ContextReference) */) {
{
ContextReference sLLanguageContextReference__ = this.sLLanguageContextReference_;
ContextReference hasRootInstanceNode__contextRef__ = sLLanguageContextReference__;
return arg0Value.hasRootInstance(arg1Value, hasRootInstanceNode__contextRef__);
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return hasRootInstanceNode_AndSpecialize(arg0Value, arg1Value);
}
private boolean hasRootInstanceNode_AndSpecialize(SLScopedNode arg0Value, Frame arg1Value) {
Lock lock = getLock();
boolean hasLock = true;
lock.lock();
int state = state_;
try {
{
ContextReference hasRootInstanceNode__contextRef__ = null;
ContextReference sLLanguageContextReference__1 = this.sLLanguageContextReference_;
if (sLLanguageContextReference__1 == null) {
this.sLLanguageContextReference_ = sLLanguageContextReference__1 = super.lookupContextReference(SLLanguage.class);
}
hasRootInstanceNode__contextRef__ = sLLanguageContextReference__1;
this.state_ = state = state | 0b10 /* add-active hasRootInstance(SLScopedNode, Frame, ContextReference) */;
lock.unlock();
hasLock = false;
return arg0Value.hasRootInstance(arg1Value, hasRootInstanceNode__contextRef__);
}
} finally {
if (hasLock) {
lock.unlock();
}
}
}
@Override
public Object getRootInstance(Object arg0Value_, Frame arg1Value) throws UnsupportedMessageException {
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.";
SLScopedNode arg0Value = CompilerDirectives.castExact(arg0Value_, receiverClass_);
int state = state_;
if ((state & 0b100) != 0 /* is-active getRootInstance(SLScopedNode, Frame, ContextReference) */) {
{
ContextReference sLLanguageContextReference__ = this.sLLanguageContextReference_;
ContextReference getRootInstanceNode__contextRef__ = sLLanguageContextReference__;
return arg0Value.getRootInstance(arg1Value, getRootInstanceNode__contextRef__);
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return getRootInstanceNode_AndSpecialize(arg0Value, arg1Value);
}
private Object getRootInstanceNode_AndSpecialize(SLScopedNode arg0Value, Frame arg1Value) throws UnsupportedMessageException {
Lock lock = getLock();
boolean hasLock = true;
lock.lock();
int state = state_;
try {
{
ContextReference getRootInstanceNode__contextRef__ = null;
ContextReference sLLanguageContextReference__1 = this.sLLanguageContextReference_;
if (sLLanguageContextReference__1 == null) {
this.sLLanguageContextReference_ = sLLanguageContextReference__1 = super.lookupContextReference(SLLanguage.class);
}
getRootInstanceNode__contextRef__ = sLLanguageContextReference__1;
this.state_ = state = state | 0b100 /* add-active getRootInstance(SLScopedNode, Frame, ContextReference) */;
lock.unlock();
hasLock = false;
return arg0Value.getRootInstance(arg1Value, getRootInstanceNode__contextRef__);
}
} finally {
if (hasLock) {
lock.unlock();
}
}
}
}
@GeneratedBy(SLScopedNode.class)
private static final class Uncached extends NodeLibrary {
private final Class receiverClass_;
private final ContextReference sLLanguageContextReference_ = lookupContextReference(SLLanguage.class);
Uncached(Object receiver) {
this.receiverClass_ = ((SLScopedNode) receiver).getClass();
}
@TruffleBoundary
@Override
public boolean accepts(Object receiver) {
assert receiver.getClass() != this.receiverClass_ || DYNAMIC_DISPATCH_LIBRARY_.getUncached().dispatch(receiver) == null : "Invalid library export. Exported receiver with dynamic dispatch found but not expected.";
return receiver.getClass() == this.receiverClass_ && accepts_(receiver);
}
@Override
public boolean isAdoptable() {
return false;
}
@Override
public NodeCost getCost() {
return NodeCost.MEGAMORPHIC;
}
@TruffleBoundary
@Override
public boolean hasScope(Object receiver, Frame frame) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
return ((SLScopedNode) receiver) .hasScope(frame);
}
@TruffleBoundary
@Override
public Object getScope(Object arg0Value_, Frame arg1Value, boolean arg2Value) {
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
SLScopedNode arg0Value = ((SLScopedNode) arg0Value_);
return arg0Value.getScope(arg1Value, arg2Value, (arg0Value), (arg0Value.findBlock()));
}
@TruffleBoundary
@Override
public boolean hasRootInstance(Object arg0Value_, Frame arg1Value) {
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
SLScopedNode arg0Value = ((SLScopedNode) arg0Value_);
return arg0Value.hasRootInstance(arg1Value, this.sLLanguageContextReference_);
}
@TruffleBoundary
@Override
public Object getRootInstance(Object arg0Value_, Frame arg1Value) throws UnsupportedMessageException {
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
SLScopedNode arg0Value = ((SLScopedNode) arg0Value_);
return arg0Value.getRootInstance(arg1Value, this.sLLanguageContextReference_);
}
@TruffleBoundary
private static boolean accepts_(Object arg0Value_) {
SLScopedNode arg0Value = ((SLScopedNode) arg0Value_);
return arg0Value.accepts((arg0Value));
}
}
}
}