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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.polyglot;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.TruffleLanguage;
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.interop.ArityException;
import com.oracle.truffle.api.interop.InteropLibrary;
import com.oracle.truffle.api.interop.UnsupportedMessageException;
import com.oracle.truffle.api.interop.UnsupportedTypeException;
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.NodeCost;
import com.oracle.truffle.api.utilities.TriState;
import com.oracle.truffle.polyglot.HostFunction.IsIdenticalOrUndefined;
import java.util.concurrent.locks.Lock;
@GeneratedBy(HostFunction.class)
@SuppressWarnings("unused")
final class HostFunctionGen {
private static final LibraryFactory DYNAMIC_DISPATCH_LIBRARY_ = LibraryFactory.resolve(DynamicDispatchLibrary.class);
static {
LibraryExport.register(HostFunction.class, new InteropLibraryExports());
}
private HostFunctionGen() {
}
@GeneratedBy(HostFunction.class)
private static final class InteropLibraryExports extends LibraryExport {
private InteropLibraryExports() {
super(InteropLibrary.class, HostFunction.class, false);
}
@Override
protected InteropLibrary createUncached(Object receiver) {
assert receiver instanceof HostFunction;
InteropLibrary uncached = new Uncached();
return uncached;
}
@Override
protected InteropLibrary createCached(Object receiver) {
assert receiver instanceof HostFunction;
return new Cached();
}
@GeneratedBy(HostFunction.class)
private static final class Cached extends InteropLibrary {
@CompilationFinal private volatile int state_;
@Child private HostExecuteNode executeNode__execute_;
Cached() {
}
@Override
public boolean accepts(Object receiver) {
assert !(receiver instanceof HostFunction) || DYNAMIC_DISPATCH_LIBRARY_.getUncached().dispatch(receiver) == null : "Invalid library export. Exported receiver with dynamic dispatch found but not expected.";
return receiver instanceof HostFunction;
}
@Override
protected TriState isIdenticalOrUndefined(Object arg0Value_, Object arg1Value) {
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted();
HostFunction arg0Value = ((HostFunction) arg0Value_);
int state = state_;
if ((state & 0b11) != 0 /* is-active doHostObject(HostFunction, HostFunction) || doOther(HostFunction, Object) */) {
if ((state & 0b1) != 0 /* is-active doHostObject(HostFunction, HostFunction) */ && arg1Value instanceof HostFunction) {
HostFunction arg1Value_ = (HostFunction) arg1Value;
return IsIdenticalOrUndefined.doHostObject(arg0Value, arg1Value_);
}
if ((state & 0b10) != 0 /* is-active doOther(HostFunction, Object) */) {
if (isIdenticalOrUndefinedFallbackGuard_(state, arg0Value, arg1Value)) {
return IsIdenticalOrUndefined.doOther(arg0Value, arg1Value);
}
}
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return isIdenticalOrUndefinedAndSpecialize(arg0Value, arg1Value);
}
private TriState isIdenticalOrUndefinedAndSpecialize(HostFunction arg0Value, Object arg1Value) {
int state = state_;
if (arg1Value instanceof HostFunction) {
HostFunction arg1Value_ = (HostFunction) arg1Value;
this.state_ = state = state | 0b1 /* add-active doHostObject(HostFunction, HostFunction) */;
return IsIdenticalOrUndefined.doHostObject(arg0Value, arg1Value_);
}
this.state_ = state = state | 0b10 /* add-active doOther(HostFunction, Object) */;
return IsIdenticalOrUndefined.doOther(arg0Value, arg1Value);
}
@Override
public NodeCost getCost() {
int state = state_;
if ((state & 0b11) == 0b0) {
return NodeCost.UNINITIALIZED;
} else if (((state & 0b11) & ((state & 0b11) - 1)) == 0 /* is-single-active */) {
return NodeCost.MONOMORPHIC;
}
return NodeCost.POLYMORPHIC;
}
@Override
public boolean isExecutable(Object receiver) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted();
return (((HostFunction) receiver)).isExecutable();
}
@Override
public Object execute(Object arg0Value_, Object... arg1Value) throws UnsupportedTypeException, ArityException, UnsupportedMessageException {
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted();
HostFunction arg0Value = ((HostFunction) arg0Value_);
int state = state_;
if ((state & 0b100) != 0 /* is-active execute(HostFunction, Object[], HostExecuteNode) */) {
return arg0Value.execute(arg1Value, this.executeNode__execute_);
}
CompilerDirectives.transferToInterpreterAndInvalidate();
return executeNode_AndSpecialize(arg0Value, arg1Value);
}
private Object executeNode_AndSpecialize(HostFunction arg0Value, Object[] arg1Value) throws UnsupportedTypeException, ArityException {
Lock lock = getLock();
boolean hasLock = true;
lock.lock();
int state = state_;
try {
this.executeNode__execute_ = super.insert((HostExecuteNode.create()));
this.state_ = state = state | 0b100 /* add-active execute(HostFunction, Object[], HostExecuteNode) */;
lock.unlock();
hasLock = false;
return arg0Value.execute(arg1Value, this.executeNode__execute_);
} finally {
if (hasLock) {
lock.unlock();
}
}
}
@Override
public boolean hasLanguage(Object receiver) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted();
return (((HostFunction) receiver)).hasLanguage();
}
@Override
public Class> getLanguage(Object receiver) throws UnsupportedMessageException {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted();
return (((HostFunction) receiver)).getLanguage();
}
@Override
public Object toDisplayString(Object receiver, boolean allowSideEffects) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted();
return (((HostFunction) receiver)).toDisplayString(allowSideEffects);
}
@Override
public int identityHashCode(Object receiver) throws UnsupportedMessageException {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
assert assertAdopted();
return HostFunction.identityHashCode((((HostFunction) receiver)));
}
private static boolean isIdenticalOrUndefinedFallbackGuard_(int state, HostFunction arg0Value, Object arg1Value) {
if (((state & 0b1)) == 0 /* is-not-active doHostObject(HostFunction, HostFunction) */ && arg1Value instanceof HostFunction) {
return false;
}
return true;
}
}
@GeneratedBy(HostFunction.class)
private static final class Uncached extends InteropLibrary {
Uncached() {
}
@TruffleBoundary
@Override
public boolean accepts(Object receiver) {
assert !(receiver instanceof HostFunction) || DYNAMIC_DISPATCH_LIBRARY_.getUncached().dispatch(receiver) == null : "Invalid library export. Exported receiver with dynamic dispatch found but not expected.";
return receiver instanceof HostFunction;
}
@Override
public boolean isAdoptable() {
return false;
}
@Override
public NodeCost getCost() {
return NodeCost.MEGAMORPHIC;
}
@TruffleBoundary
@Override
public TriState isIdenticalOrUndefined(Object arg0Value_, Object arg1Value) {
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
HostFunction arg0Value = ((HostFunction) arg0Value_);
if (arg1Value instanceof HostFunction) {
HostFunction arg1Value_ = (HostFunction) arg1Value;
return IsIdenticalOrUndefined.doHostObject(arg0Value, arg1Value_);
}
return IsIdenticalOrUndefined.doOther(arg0Value, arg1Value);
}
@TruffleBoundary
@Override
public boolean isExecutable(Object receiver) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
return ((HostFunction) receiver) .isExecutable();
}
@TruffleBoundary
@Override
public Object execute(Object arg0Value_, Object... arg1Value) throws UnsupportedTypeException, ArityException {
assert this.accepts(arg0Value_) : "Invalid library usage. Library does not accept given receiver.";
HostFunction arg0Value = ((HostFunction) arg0Value_);
return arg0Value.execute(arg1Value, (HostExecuteNodeGen.getUncached()));
}
@TruffleBoundary
@Override
public boolean hasLanguage(Object receiver) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
return ((HostFunction) receiver) .hasLanguage();
}
@TruffleBoundary
@Override
public Class> getLanguage(Object receiver) throws UnsupportedMessageException {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
return ((HostFunction) receiver) .getLanguage();
}
@TruffleBoundary
@Override
public Object toDisplayString(Object receiver, boolean allowSideEffects) {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
return ((HostFunction) receiver) .toDisplayString(allowSideEffects);
}
@TruffleBoundary
@Override
public int identityHashCode(Object receiver) throws UnsupportedMessageException {
assert this.accepts(receiver) : "Invalid library usage. Library does not accept given receiver.";
return HostFunction.identityHashCode(((HostFunction) receiver) );
}
}
}
}