eaglercraft/eagler-teavm-fork
1
0
Fork 0
mirror of https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm.git synced 2024-12-22 08:14:09 -08:00
Code Issues Actions Packages Projects Releases Wiki Activity

C backend: support coroutines

Browse Source
This commit is contained in:
Alexey Andreev 2018-05-21 15:56:05 +03:00 committed by Alexey Andreev
parent 578912056b
commit abdd9b3270
31 changed files with 1895 additions and 130 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

231
classlib/src/main/java/org/teavm/classlib/java/lang/TObject.java
View File

@ -15,21 +15,24 @@
*/
package org.teavm.classlib.java.lang;
import org.teavm.classlib.PlatformDetector;
import org.teavm.dependency.PluggableDependency;
import org.teavm.interop.Address;
import org.teavm.interop.Async;
import org.teavm.interop.AsyncCallback;
import org.teavm.interop.DelegateTo;
import org.teavm.interop.Rename;
import org.teavm.interop.Structure;
import org.teavm.interop.Superclass;
import org.teavm.interop.Sync;
import org.teavm.interop.Unmanaged;
import org.teavm.jso.browser.TimerHandler;
import org.teavm.platform.Platform;
import org.teavm.platform.PlatformObject;
import org.teavm.platform.PlatformQueue;
import org.teavm.platform.PlatformRunnable;
import org.teavm.platform.async.AsyncCallback;
import org.teavm.runtime.Allocator;
import org.teavm.runtime.EventQueue;
import org.teavm.runtime.RuntimeArray;
import org.teavm.runtime.RuntimeClass;
import org.teavm.runtime.RuntimeObject;
@ -39,25 +42,26 @@ public class TObject {
Monitor monitor;
static class Monitor {
static final int MASK = 0x80000000;
PlatformQueue<PlatformRunnable> enteringThreads;
PlatformQueue<NotifyListener> notifyListeners;
TThread owner;
int count;
int id;
public Monitor() {
Monitor() {
this.owner = TThread.currentThread();
enteringThreads = Platform.createQueue();
notifyListeners = Platform.createQueue();
}
}
interface NotifyListener extends PlatformRunnable {
interface NotifyListener extends PlatformRunnable, EventQueue.Event {
boolean expired();
}
static void monitorEnterSync(TObject o) {
if (o.monitor == null) {
o.monitor = new Monitor();
createMonitor(o);
}
if (o.monitor.owner == null) {
o.monitor.owner = TThread.currentThread();
@ -83,7 +87,7 @@ public class TObject {
static void monitorEnter(TObject o, int count) {
if (o.monitor == null) {
o.monitor = new Monitor();
createMonitor(o);
}
if (o.monitor.owner == null) {
o.monitor.owner = TThread.currentThread();
@ -95,13 +99,23 @@ public class TObject {
}
}
private static void createMonitor(TObject o) {
if (PlatformDetector.isLowLevel()) {
int hashCode = hashCodeLowLevel(o);
o.monitor = new Monitor();
o.monitor.id = hashCode;
} else {
o.monitor = new Monitor();
}
}
@Async
static native void monitorEnterWait(TObject o, int count);
static void monitorEnterWait(final TObject o, final int count, final AsyncCallback<Void> callback) {
final TThread thread = TThread.currentThread();
static void monitorEnterWait(TObject o, int count, AsyncCallback<Void> callback) {
TThread thread = TThread.currentThread();
if (o.monitor == null) {
o.monitor = new Monitor();
createMonitor(o);
TThread.setCurrentThread(thread);
o.monitor.count += count;
callback.complete(null);
@ -113,7 +127,12 @@ public class TObject {
callback.complete(null);
return;
}
o.monitor.enteringThreads.add(() -> {
Monitor monitor = o.monitor;
if (monitor.enteringThreads == null) {
monitor.enteringThreads = Platform.createQueue();
}
monitor.enteringThreads.add(() -> {
TThread.setCurrentThread(thread);
o.monitor.owner = thread;
o.monitor.count += count;
@ -122,47 +141,73 @@ public class TObject {
}
@Sync
static void monitorExit(final TObject o) {
static void monitorExit(TObject o) {
monitorExit(o, 1);
}
@Sync
static void monitorExit(final TObject o, int count) {
static void monitorExit(TObject o, int count) {
if (o.isEmptyMonitor() || o.monitor.owner != TThread.currentThread()) {
throw new TIllegalMonitorStateException();
}
o.monitor.count -= count;
if (o.monitor.count > 0) {
Monitor monitor = o.monitor;
monitor.count -= count;
if (monitor.count > 0) {
return;
}
o.monitor.owner = null;
if (!o.monitor.enteringThreads.isEmpty()) {
Platform.postpone(() -> {
if (o.isEmptyMonitor() || o.monitor.owner != null) {
return;
}
if (!o.monitor.enteringThreads.isEmpty()) {
o.monitor.enteringThreads.remove().run();
}
});
monitor.owner = null;
if (monitor.enteringThreads != null && !monitor.enteringThreads.isEmpty()) {
if (PlatformDetector.isLowLevel()) {
EventQueue.offer(() -> waitForOtherThreads(o));
} else {
Platform.postpone(() -> waitForOtherThreads(o));
}
} else {
o.isEmptyMonitor();
}
}
private static void waitForOtherThreads(TObject o) {
if (o.isEmptyMonitor() || o.monitor.owner != null) {
return;
}
Monitor monitor = o.monitor;
if (monitor.enteringThreads != null && !monitor.enteringThreads.isEmpty()) {
PlatformQueue<PlatformRunnable> enteringThreads = monitor.enteringThreads;
PlatformRunnable r = enteringThreads.remove();
if (enteringThreads == null) {
monitor.enteringThreads = null;
}
r.run();
}
}
boolean isEmptyMonitor() {
Monitor monitor = this.monitor;
if (monitor == null) {
return true;
}
if (monitor.owner == null && monitor.enteringThreads.isEmpty() && monitor.notifyListeners.isEmpty()) {
monitor = null;
if (monitor.owner == null
&& (monitor.enteringThreads == null || monitor.enteringThreads.isEmpty())
&& (monitor.notifyListeners == null || monitor.notifyListeners.isEmpty())) {
deleteMonitor();
return true;
} else {
return false;
}
}
private void deleteMonitor() {
if (PlatformDetector.isLowLevel()) {
int id = monitor.id;
setHashCodeLowLevel(this, id);
} else {
monitor = null;
}
}
static boolean holdsLock(TObject o) {
return o.monitor != null && o.monitor.owner == TThread.currentThread();
}
@ -200,8 +245,25 @@ public class TObject {
return getClass().getName() + "@" + TInteger.toHexString(identity());
}
@DelegateTo("identityLowLevel")
int identity() {
if (PlatformDetector.isLowLevel()) {
Monitor monitor = this.monitor;
if (monitor == null) {
int hashCode = hashCodeLowLevel(this);
if (hashCode == 0) {
hashCode = identityLowLevel();
setHashCodeLowLevel(this, hashCode);
}
return hashCode;
} else {
int hashCode = monitor.id;
if (hashCode == 0) {
hashCode = identityLowLevel();
monitor.id = hashCode;
}
return hashCode;
}
}
PlatformObject platformThis = Platform.getPlatformObject(this);
if (platformThis.getId() == 0) {
platformThis.setId(Platform.nextObjectId());
@ -209,19 +271,48 @@ public class TObject {
return Platform.getPlatformObject(this).getId();
}
@SuppressWarnings("unused")
private static int identityLowLevel(RuntimeObject object) {
int result = object.hashCode;
@DelegateTo("hashCodeLowLevelImpl")
private static native int hashCodeLowLevel(TObject obj);
@Unmanaged
private static int hashCodeLowLevelImpl(RuntimeObject obj) {
return obj.hashCode;
}
@DelegateTo("setHashCodeLowLevelImpl")
private static native void setHashCodeLowLevel(TObject obj, int value);
@Unmanaged
private static void setHashCodeLowLevelImpl(RuntimeObject obj, int value) {
obj.hashCode = value;
}
@Unmanaged
private static int identityLowLevel() {
int result = RuntimeObject.nextId++;
if (result == 0) {
result = RuntimeObject.nextId++;
if (result == 0) {
result = RuntimeObject.nextId++;
if (result == Monitor.MASK) {
result = 1;
}
object.hashCode = result;
}
return result;
}
@DelegateTo("identityOrMonitorLowLevel")
private native int identityOrMonitor();
private static int identityOrMonitorLowLevel(RuntimeObject object) {
return object.hashCode;
}
@DelegateTo("setIdentityLowLevel")
native void setIdentity(int id);
private static void setIdentityLowLevel(RuntimeObject object, int id) {
object.hashCode = id;
}
@Override
@DelegateTo("cloneLowLevel")
@PluggableDependency(ObjectDependencyPlugin.class)
@ -264,13 +355,23 @@ public class TObject {
throw new TIllegalMonitorStateException();
}
PlatformQueue<NotifyListener> listeners = monitor.notifyListeners;
if (listeners == null) {
return;
}
while (!listeners.isEmpty()) {
NotifyListener listener = listeners.remove();
if (!listener.expired()) {
Platform.postpone(listener);
if (PlatformDetector.isLowLevel()) {
EventQueue.offer(listener);
} else {
Platform.postpone(listener);
}
break;
}
}
if (listeners.isEmpty()) {
monitor.notifyListeners = null;
}
}
@Sync
@ -280,12 +381,20 @@ public class TObject {
throw new TIllegalMonitorStateException();
}
PlatformQueue<NotifyListener> listeners = monitor.notifyListeners;
if (listeners == null) {
return;
}
while (!listeners.isEmpty()) {
NotifyListener listener = listeners.remove();
if (!listener.expired()) {
Platform.postpone(listener);
if (PlatformDetector.isLowLevel()) {
EventQueue.offer(listener);
} else {
Platform.postpone(listener);
}
}
}
monitor.notifyListeners = null;
}
@Rename("wait")
@ -309,17 +418,23 @@ public class TObject {
private native void waitImpl(long timeout, int nanos) throws TInterruptedException;
public final void waitImpl(long timeout, int nanos, AsyncCallback<Void> callback) {
Monitor monitor = this.monitor;
final NotifyListenerImpl listener = new NotifyListenerImpl(this, callback, monitor.count);
if (monitor.notifyListeners == null) {
monitor.notifyListeners = Platform.createQueue();
}
monitor.notifyListeners.add(listener);
TThread.currentThread().interruptHandler = listener;
if (timeout > 0 || nanos > 0) {
listener.timerId = Platform.schedule(listener, timeout >= Integer.MAX_VALUE ? Integer.MAX_VALUE
: (int) timeout);
int timeoutToSchedule = timeout >= Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) timeout;
listener.timerId = PlatformDetector.isLowLevel()
? EventQueue.offer(listener, timeoutToSchedule + System.currentTimeMillis())
: Platform.schedule(listener, timeoutToSchedule);
}
monitorExit(this, monitor.count);
}
private static class NotifyListenerImpl implements NotifyListener, TimerHandler, PlatformRunnable,
static class NotifyListenerImpl implements NotifyListener, TimerHandler, PlatformRunnable,
TThreadInterruptHandler {
final TObject obj;
final AsyncCallback<Void> callback;
@ -329,7 +444,7 @@ public class TObject {
boolean performed;
int lockCount;
public NotifyListenerImpl(TObject obj, AsyncCallback<Void> callback, int lockCount) {
NotifyListenerImpl(TObject obj, AsyncCallback<Void> callback, int lockCount) {
this.obj = obj;
this.callback = callback;
this.lockCount = lockCount;
@ -344,11 +459,19 @@ public class TObject {
@Override
public void onTimer() {
Platform.postpone(() -> {
if (!expired()) {
run();
}
});
if (PlatformDetector.isLowLevel()) {
EventQueue.offer(() -> {
if (!expired()) {
run();
}
});
} else {
Platform.postpone(() -> {
if (!expired()) {
run();
}
});
}
}
@Override
@ -358,7 +481,11 @@ public class TObject {
}
performed = true;
if (timerId >= 0) {
Platform.killSchedule(timerId);
if (PlatformDetector.isLowLevel()) {
EventQueue.kill(timerId);
} else {
Platform.killSchedule(timerId);
}
timerId = -1;
}
TThread.setCurrentThread(currentThread);
@ -372,10 +499,18 @@ public class TObject {
}
performed = true;
if (timerId >= 0) {
Platform.killSchedule(timerId);
if (PlatformDetector.isLowLevel()) {
EventQueue.kill(timerId);
} else {
Platform.killSchedule(timerId);
}
timerId = -1;
}
Platform.postpone(() -> callback.error(new TInterruptedException()));
if (PlatformDetector.isLowLevel()) {
EventQueue.offer(() -> callback.error(new TInterruptedException()));
} else {
Platform.postpone(() -> callback.error(new TInterruptedException()));
}
}
}

76
classlib/src/main/java/org/teavm/classlib/java/lang/TThread.java
View File

@ -15,10 +15,13 @@
*/
package org.teavm.classlib.java.lang;
import org.teavm.classlib.PlatformDetector;
import org.teavm.interop.Async;
import org.teavm.interop.AsyncCallback;
import org.teavm.platform.Platform;
import org.teavm.platform.PlatformRunnable;
import org.teavm.platform.async.AsyncCallback;
import org.teavm.runtime.EventQueue;
import org.teavm.runtime.Fiber;
public class TThread extends TObject implements TRunnable {
private static TThread mainThread = new TThread("main");
@ -56,20 +59,26 @@ public class TThread extends TObject implements TRunnable {
}
public void start() {
Platform.startThread(() -> {
try {
activeCount++;
setCurrentThread(TThread.this);
TThread.this.run();
} finally {
synchronized (finishedLock) {
finishedLock.notifyAll();
}
alive = false;
activeCount--;
setCurrentThread(mainThread);
if (PlatformDetector.isLowLevel()) {
EventQueue.offer(() -> Fiber.start(this::runThread));
} else {
Platform.startThread(this::runThread);
}
}
private void runThread() {
try {
activeCount++;
setCurrentThread(TThread.this);
TThread.this.run();
} finally {
synchronized (finishedLock) {
finishedLock.notifyAll();
}
});
alive = false;
activeCount--;
setCurrentThread(mainThread);
}
}
static void setCurrentThread(TThread thread) {
@ -130,10 +139,17 @@ public class TThread extends TObject implements TRunnable {
static native void switchContext(TThread thread);
private static void switchContext(final TThread thread, final AsyncCallback<Void> callback) {
Platform.postpone(() -> {
setCurrentThread(thread);
callback.complete(null);
});
if (PlatformDetector.isLowLevel()) {
EventQueue.offer(() -> {
setCurrentThread(thread);
callback.complete(null);
});
} else {
Platform.postpone(() -> {
setCurrentThread(thread);
callback.complete(null);
});
}
}
public void interrupt() {
@ -176,19 +192,24 @@ public class TThread extends TObject implements TRunnable {
private static void sleep(long millis, final AsyncCallback<Void> callback) {
final TThread current = currentThread();
int intMillis = millis < Integer.MAX_VALUE ? (int) millis : Integer.MAX_VALUE;
SleepHandler handler = new SleepHandler(current, callback);
handler.scheduleId = Platform.schedule(handler, intMillis);
current.interruptHandler = handler;
if (PlatformDetector.isLowLevel()) {
handler.scheduleId = EventQueue.offer(handler, System.currentTimeMillis() + millis);
current.interruptHandler = handler;
} else {
int intMillis = millis < Integer.MAX_VALUE ? (int) millis : Integer.MAX_VALUE;
handler.scheduleId = Platform.schedule(handler, intMillis);
current.interruptHandler = handler;
}
}
private static class SleepHandler implements PlatformRunnable, TThreadInterruptHandler {
static class SleepHandler implements PlatformRunnable, EventQueue.Event, TThreadInterruptHandler {
private TThread thread;
private AsyncCallback<Void> callback;
private boolean isInterrupted;
int scheduleId;
public SleepHandler(TThread thread, AsyncCallback<Void> callback) {
SleepHandler(TThread thread, AsyncCallback<Void> callback) {
this.thread = thread;
this.callback = callback;
}
@ -197,8 +218,13 @@ public class TThread extends TObject implements TRunnable {
public void interrupted() {
thread.interruptedFlag = false;
isInterrupted = true;
Platform.killSchedule(scheduleId);
Platform.postpone(() -> callback.error(new TInterruptedException()));
if (PlatformDetector.isLowLevel()) {
EventQueue.kill(scheduleId);
EventQueue.offer(() -> callback.error(new TInterruptedException()));
} else {
Platform.killSchedule(scheduleId);
Platform.postpone(() -> callback.error(new TInterruptedException()));
}
}
@Override

2
classlib/src/main/java/org/teavm/classlib/java/net/impl/TXHRURLConnection.java
View File

@ -27,10 +27,10 @@ import java.util.Map;
import org.teavm.classlib.java.net.THttpURLConnection;
import org.teavm.classlib.java.net.TURL;
import org.teavm.interop.Async;
import org.teavm.interop.AsyncCallback;
import org.teavm.jso.ajax.XMLHttpRequest;
import org.teavm.jso.typedarrays.ArrayBuffer;
import org.teavm.jso.typedarrays.Int8Array;
import org.teavm.platform.async.AsyncCallback;
public class TXHRURLConnection extends THttpURLConnection {
private XMLHttpRequest xhr;

22
classlib/src/main/java/org/teavm/classlib/java/util/concurrent/TArrayBlockingQueue.java
View File

@ -20,6 +20,7 @@ import java.util.Arrays;
import java.util.Collection;
import java.util.NoSuchElementException;
import java.util.Objects;
import org.teavm.classlib.PlatformDetector;
import org.teavm.classlib.java.lang.TInterruptedException;
import org.teavm.classlib.java.lang.TThread;
import org.teavm.classlib.java.lang.TThreadInterruptHandler;
@ -27,11 +28,12 @@ import org.teavm.classlib.java.util.TAbstractQueue;
import org.teavm.classlib.java.util.TCollection;
import org.teavm.classlib.java.util.TIterator;
import org.teavm.interop.Async;
import org.teavm.interop.AsyncCallback;
import org.teavm.interop.Sync;
import org.teavm.platform.Platform;
import org.teavm.platform.PlatformQueue;
import org.teavm.platform.PlatformRunnable;
import org.teavm.platform.async.AsyncCallback;
import org.teavm.runtime.EventQueue;
public class TArrayBlockingQueue<E> extends TAbstractQueue<E> implements TBlockingQueue<E> {
private Object[] array;
@ -418,7 +420,11 @@ public class TArrayBlockingQueue<E> extends TAbstractQueue<E> implements TBlocki
if (waitHandlers != null) {
while (!waitHandlers.isEmpty()) {
WaitHandler handler = waitHandlers.remove();
Platform.postpone(() -> handler.changed());
if (PlatformDetector.isLowLevel()) {
EventQueue.offer(handler::changed);
} else {
Platform.postpone(handler::changed);
}
}
waitHandlers = null;
}
@ -436,7 +442,9 @@ public class TArrayBlockingQueue<E> extends TAbstractQueue<E> implements TBlocki
waitHandlers.add(handler);
if (timeLimit > 0) {
int timeout = Math.max(0, (int) (timeLimit - System.currentTimeMillis()));
handler.timerId = Platform.schedule(handler, timeout);
handler.timerId = PlatformDetector.isLowLevel()
? EventQueue.offer(handler, timeLimit)
: Platform.schedule(handler, timeout);
} else {
handler.timerId = -1;
}
@ -444,7 +452,7 @@ public class TArrayBlockingQueue<E> extends TAbstractQueue<E> implements TBlocki
TThread.currentThread().interruptHandler = handler;
}
class WaitHandler implements PlatformRunnable, TThreadInterruptHandler {
class WaitHandler implements PlatformRunnable, TThreadInterruptHandler, EventQueue.Event {
AsyncCallback<Boolean> callback;
boolean complete;
int timerId;
@ -475,7 +483,11 @@ public class TArrayBlockingQueue<E> extends TAbstractQueue<E> implements TBlocki
}
complete = true;
if (timerId >= 0) {
Platform.killSchedule(timerId);
if (PlatformDetector.isLowLevel()) {
EventQueue.kill(timerId);
} else {
Platform.killSchedule(timerId);
}
timerId = -1;
}
TThread.currentThread().interruptHandler = null;

83
core/src/main/java/org/teavm/backend/c/CTarget.java
View File

@ -33,6 +33,7 @@ import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import org.teavm.ast.InvocationExpr;
import org.teavm.ast.decompilation.Decompiler;
import org.teavm.backend.c.analyze.CDependencyListener;
import org.teavm.backend.c.generate.BufferedCodeWriter;
@ -51,6 +52,7 @@ import org.teavm.backend.c.intrinsic.FunctionIntrinsic;
import org.teavm.backend.c.intrinsic.GCIntrinsic;
import org.teavm.backend.c.intrinsic.IntegerIntrinsic;
import org.teavm.backend.c.intrinsic.Intrinsic;
import org.teavm.backend.c.intrinsic.IntrinsicContext;
import org.teavm.backend.c.intrinsic.IntrinsicFactory;
import org.teavm.backend.c.intrinsic.LongIntrinsic;
import org.teavm.backend.c.intrinsic.MutatorIntrinsic;
@ -61,6 +63,7 @@ import org.teavm.backend.c.intrinsic.PlatformObjectIntrinsic;
import org.teavm.backend.c.intrinsic.RuntimeClassIntrinsic;
import org.teavm.backend.c.intrinsic.ShadowStackIntrinsic;
import org.teavm.backend.c.intrinsic.StructureIntrinsic;
import org.teavm.backend.lowlevel.transform.CoroutineTransformation;
import org.teavm.dependency.ClassDependency;
import org.teavm.dependency.DependencyAnalyzer;
import org.teavm.dependency.DependencyListener;
@ -96,8 +99,11 @@ import org.teavm.model.lowlevel.NullCheckTransformation;
import org.teavm.model.lowlevel.ShadowStackTransformer;
import org.teavm.model.transformation.ClassInitializerInsertionTransformer;
import org.teavm.model.transformation.ClassPatch;
import org.teavm.model.util.AsyncMethodFinder;
import org.teavm.runtime.Allocator;
import org.teavm.runtime.EventQueue;
import org.teavm.runtime.ExceptionHandling;
import org.teavm.runtime.Fiber;
import org.teavm.runtime.RuntimeArray;
import org.teavm.runtime.RuntimeClass;
import org.teavm.runtime.RuntimeObject;
@ -121,6 +127,7 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
private ExportDependencyListener exportDependencyListener = new ExportDependencyListener();
private int minHeapSize = 32 * 1024 * 1024;
private List<IntrinsicFactory> intrinsicFactories = new ArrayList<>();
private Set<MethodReference> asyncMethods;
public void setMinHeapSize(int minHeapSize) {
this.minHeapSize = minHeapSize;
@ -201,6 +208,30 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
dependencyAnalyzer.linkField(field.getReference());
}
}
dependencyAnalyzer.linkMethod(new MethodReference(Fiber.class, "isResuming", boolean.class)).use();
dependencyAnalyzer.linkMethod(new MethodReference(Fiber.class, "isSuspending", boolean.class)).use();
dependencyAnalyzer.linkMethod(new MethodReference(Fiber.class, "current", Fiber.class)).use();
dependencyAnalyzer.linkMethod(new MethodReference(Fiber.class, "startMain", void.class)).use();
dependencyAnalyzer.linkMethod(new MethodReference(EventQueue.class, "process", void.class)).use();
dependencyAnalyzer.linkMethod(new MethodReference(Thread.class, "setCurrentThread", Thread.class,
void.class)).use();
ClassReader fiberClass = dependencyAnalyzer.getClassSource().get(Fiber.class.getName());
for (MethodReader method : fiberClass.getMethods()) {
if (method.getName().startsWith("pop") || method.getName().equals("push")) {
dependencyAnalyzer.linkMethod(method.getReference()).use();
}
}
}
@Override
public void analyzeBeforeOptimizations(ListableClassReaderSource classSource) {
AsyncMethodFinder asyncFinder = new AsyncMethodFinder(controller.getDependencyInfo().getCallGraph(),
controller.getDiagnostics());
asyncFinder.find(classSource);
asyncMethods = new HashSet<>(asyncFinder.getAsyncMethods());
asyncMethods.addAll(asyncFinder.getAsyncFamilyMethods());
}
@Override
@ -214,6 +245,8 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
classInitializerEliminator.apply(program);
classInitializerTransformer.transform(program);
nullCheckTransformation.apply(program, method.getResultType());
new CoroutineTransformation(controller.getUnprocessedClassSource(), asyncMethods)
.apply(program, method.getReference());
shadowStackTransformer.apply(program, method);
}
@ -242,6 +275,7 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
intrinsics.add(new ExceptionHandlingIntrinsic());
intrinsics.add(new FunctionIntrinsic(characteristics, exportDependencyListener.getResolvedMethods()));
intrinsics.add(new RuntimeClassIntrinsic());
intrinsics.add(new FiberIntrinsic());
intrinsics.add(new LongIntrinsic());
intrinsics.add(new IntegerIntrinsic());
@ -250,7 +284,7 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
GenerationContext context = new GenerationContext(vtableProvider, characteristics,
controller.getDependencyInfo(), stringPool, nameProvider, controller.getDiagnostics(), classes,
intrinsics, generators);
intrinsics, generators, asyncMethods::contains);
BufferedCodeWriter codeWriter = new BufferedCodeWriter();
copyResource(codeWriter, "runtime.c");
@ -425,7 +459,7 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
writer.println("initStaticFields();");
generateStaticInitializerCalls(context, writer, classes);
writer.println(context.getNames().forClassInitializer("java.lang.String") + "();");
generateCallToMainMethod(context, writer);
generateFiberStart(context, writer);
writer.outdent().println("}");
}
@ -481,10 +515,49 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
writer.outdent().println("}");
}
private void generateCallToMainMethod(GenerationContext context, CodeWriter writer) {
private void generateFiberStart(GenerationContext context, CodeWriter writer) {
String startName = context.getNames().forMethod(new MethodReference(Fiber.class, "startMain", void.class));
String processName = context.getNames().forMethod(new MethodReference(EventQueue.class, "process", void.class));
writer.println(startName + "();");
writer.println(processName + "();");
}
class FiberIntrinsic implements Intrinsic {
@Override
public boolean canHandle(MethodReference method) {
if (!method.getClassName().equals(Fiber.class.getName())) {
return false;
}
switch (method.getName()) {
case "runMain":
case "setCurrentThread":
return true;
default:
return false;
}
}
@Override
public void apply(IntrinsicContext context, InvocationExpr invocation) {
switch (invocation.getMethod().getName()) {
case "runMain":
generateCallToMainMethod(context.names(), context.writer());
break;
case "setCurrentThread":
String methodName = context.names().forMethod(new MethodReference(Thread.class,
"setCurrentThread", Thread.class, void.class));
context.writer().print(methodName).print("(");
context.emit(invocation.getArguments().get(0));
context.writer().print(")");
break;
}
}
}
private void generateCallToMainMethod(NameProvider names, CodeWriter writer) {
TeaVMEntryPoint entryPoint = controller.getEntryPoints().get("main");
if (entryPoint != null) {
String mainMethod = context.getNames().forMethod(entryPoint.getMethod());
String mainMethod = names.forMethod(entryPoint.getMethod());
writer.println(mainMethod + "(NULL);");
}
}
@ -496,6 +569,6 @@ public class CTarget implements TeaVMTarget, TeaVMCHost {
@Override
public boolean isAsyncSupported() {
return false;
return true;
}
}

1
core/src/main/java/org/teavm/backend/c/generate/ClassGenerator.java
View File

@ -194,7 +194,6 @@ public class ClassGenerator {
codeGenerator.generateMethodSignature(forwardDeclarationsWriter, method.getReference(),
method.hasModifier(ElementModifier.STATIC), false);
forwardDeclarationsWriter.println(";");
}
private void generateInitializer(ClassHolder cls) {

97
core/src/main/java/org/teavm/backend/c/generate/CodeGenerationVisitor.java
View File

@ -65,14 +65,17 @@ import org.teavm.model.AnnotationReader;
import org.teavm.model.AnnotationValue;
import org.teavm.model.ClassReader;
import org.teavm.model.ElementModifier;
import org.teavm.model.FieldReference;
import org.teavm.model.MethodReader;
import org.teavm.model.MethodReference;
import org.teavm.model.ValueType;
import org.teavm.model.classes.VirtualTable;
import org.teavm.runtime.Allocator;
import org.teavm.runtime.ExceptionHandling;
import org.teavm.runtime.Fiber;
import org.teavm.runtime.RuntimeArray;
import org.teavm.runtime.RuntimeClass;
import org.teavm.runtime.RuntimeObject;
public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
private static final MethodReference ALLOC_METHOD = new MethodReference(Allocator.class,
@ -83,6 +86,14 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
"allocateMultiArray", RuntimeClass.class, Address.class, int.class, RuntimeArray.class);
private static final MethodReference THROW_EXCEPTION_METHOD = new MethodReference(ExceptionHandling.class,
"throwException", Throwable.class, void.class);
private static final MethodReference MONITOR_ENTER = new MethodReference(Object.class, "monitorEnter",
Object.class, void.class);
private static final MethodReference MONITOR_EXIT = new MethodReference(Object.class, "monitorExit",
Object.class, void.class);
private static final MethodReference MONITOR_ENTER_SYNC = new MethodReference(Object.class, "monitorEnterSync",
Object.class, void.class);
private static final MethodReference MONITOR_EXIT_SYNC = new MethodReference(Object.class, "monitorExitSync",
Object.class, void.class);
private GenerationContext context;
private NameProvider names;
@ -91,6 +102,9 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
private int[] maxTemporaryVariableLevel = new int[5];
private MethodReference callingMethod;
private Set<? super String> includes;
private int currentPart;
private boolean end;
private boolean async;
public CodeGenerationVisitor(GenerationContext context, CodeWriter writer, Set<? super String> includes) {
this.context = context;
@ -99,6 +113,10 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
this.includes = includes;
}
public void setAsync(boolean async) {
this.async = async;
}
public int[] getTemporaries() {
return maxTemporaryVariableLevel;
}
@ -539,16 +557,31 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
@Override
public void visit(QualificationExpr expr) {
FieldReference field = expr.getField();
if (isMonitorField(field)) {
String tmp = allocTemporaryVariable(CVariableType.INT);
writer.print("(" + tmp + " = FIELD(");
expr.getQualified().acceptVisitor(this);
field = new FieldReference(RuntimeObject.class.getName(), "hashCode");
writer.print(", ").print(names.forClass(field.getClassName()) + ", "
+ names.forMemberField(field) + ")");
writer.print(", UNPACK_MONITOR(" + tmp + "))");
return;
}
if (expr.getQualified() != null) {
writer.print("FIELD(");
expr.getQualified().acceptVisitor(this);
writer.print(", ").print(names.forClass(expr.getField().getClassName()) + ", "
+ names.forMemberField(expr.getField()) + ")");
writer.print(", ").print(names.forClass(field.getClassName()) + ", " + names.forMemberField(field) + ")");
} else {
writer.print(names.forStaticField(expr.getField()));
writer.print(names.forStaticField(field));
}
}
private boolean isMonitorField(FieldReference field) {
return field.getClassName().equals("java.lang.Object") && field.getFieldName().equals("monitor");
}
@Override
public void visit(NewExpr expr) {
allocObject(expr.getConstructedClass());
@ -630,11 +663,30 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
@Override
public void visit(AssignmentStatement statement) {
if (statement.getLeftValue() != null) {
if (statement.getLeftValue() instanceof QualificationExpr) {
QualificationExpr qualification = (QualificationExpr) statement.getLeftValue();
FieldReference field = qualification.getField();
if (isMonitorField(field)) {
writer.print("FIELD(");
qualification.getQualified().acceptVisitor(this);
field = new FieldReference(RuntimeObject.class.getName(), "hashCode");
writer.print(", ").print(names.forClass(field.getClassName()) + ", "
+ names.forMemberField(field) + ") = PACK_MONITOR(");
statement.getRightValue().acceptVisitor(this);
writer.println(");");
return;
}
}
statement.getLeftValue().acceptVisitor(this);
writer.print(" = ");
}
statement.getRightValue().acceptVisitor(this);
writer.println(";");
if (statement.isAsync()) {
emitSuspendChecker();
}
}
@Override
@ -643,9 +695,17 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
}
private void visitMany(List<Statement> statements) {
for (Statement statement : statements) {
statement.acceptVisitor(this);
if (statements.isEmpty()) {
return;
}
boolean oldEnd = end;
for (int i = 0; i < statements.size() - 1; ++i) {
end = false;
statements.get(i).acceptVisitor(this);
}
end = oldEnd;
statements.get(statements.size() - 1).acceptVisitor(this);
end = oldEnd;
}
@Override
@ -688,8 +748,12 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
}
writer.indent();
visitMany(clause.getBody());
writer.println("break;");
boolean oldEnd = end;
for (Statement part : clause.getBody()) {
end = false;
part.acceptVisitor(this);
}
end = oldEnd;
writer.outdent();
}
@ -716,7 +780,12 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
}
writer.println(") {").indent();
visitMany(statement.getBody());
boolean oldEnd = end;
for (Statement part : statement.getBody()) {
end = false;
part.acceptVisitor(this);
}
end = oldEnd;
if (statement.getId() != null) {
writer.outdent().println("cnt_" + statement.getId() + ":;").indent();
@ -779,7 +848,6 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
@Override
public void visit(TryCatchStatement statement) {
}
@Override
@ -788,10 +856,21 @@ public class CodeGenerationVisitor implements ExprVisitor, StatementVisitor {
@Override
public void visit(MonitorEnterStatement statement) {
writer.print(names.forMethod(async ? MONITOR_ENTER : MONITOR_ENTER_SYNC)).print("(");
statement.getObjectRef().acceptVisitor(this);
writer.println(");");
}
@Override
public void visit(MonitorExitStatement statement) {
writer.print(names.forMethod(async ? MONITOR_EXIT : MONITOR_EXIT_SYNC)).print("(");
statement.getObjectRef().acceptVisitor(this);
writer.println(");");
}
public void emitSuspendChecker() {
String suspendingName = names.forMethod(new MethodReference(Fiber.class, "isSuspending", boolean.class));
writer.println("if (" + suspendingName + "(fiber)) goto exit_loop;");
}
private IntrinsicContext intrinsicContext = new IntrinsicContext() {

18
core/src/main/java/org/teavm/backend/c/generate/CodeGenerator.java
View File

@ -16,6 +16,7 @@
package org.teavm.backend.c.generate;
import java.util.Set;
import org.teavm.ast.MethodNode;
import org.teavm.ast.RegularMethodNode;
import org.teavm.ast.VariableNode;
import org.teavm.model.ElementModifier;
@ -43,16 +44,21 @@ public class CodeGenerator {
writer.print(" {").indent().println();
localsWriter = writer.fragment();
CodeGenerationVisitor visitor = new CodeGenerationVisitor(context, writer, includes);
visitor.setCallingMethod(methodNode.getReference());
methodNode.getBody().acceptVisitor(visitor);
CodeGenerationVisitor visitor = generateMethodBody(methodNode);
generateLocals(methodNode, visitor.getTemporaries());
writer.outdent().println("}");
}
private CodeGenerationVisitor generateMethodBody(RegularMethodNode methodNode) {
CodeGenerationVisitor visitor = new CodeGenerationVisitor(context, writer, includes);
visitor.setAsync(context.isAsync(methodNode.getReference()));
visitor.setCallingMethod(methodNode.getReference());
methodNode.getBody().acceptVisitor(visitor);
return visitor;
}
public void generateMethodSignature(CodeWriter writer, MethodReference methodRef, boolean isStatic,
boolean withNames) {
writer.print("static ");
@ -91,7 +97,7 @@ public class CodeGenerator {
}
}
private void generateLocals(RegularMethodNode methodNode, int[] temporaryCount) {
private void generateLocals(MethodNode methodNode, int[] temporaryCount) {
int start = methodNode.getReference().parameterCount() + 1;
for (int i = start; i < methodNode.getVariables().size(); ++i) {
VariableNode variableNode = methodNode.getVariables().get(i);

10
core/src/main/java/org/teavm/backend/c/generate/GenerationContext.java
View File

@ -19,6 +19,7 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Predicate;
import org.teavm.backend.c.generators.Generator;
import org.teavm.backend.c.intrinsic.Intrinsic;
import org.teavm.dependency.DependencyInfo;
@ -39,10 +40,12 @@ public class GenerationContext {
private List<Intrinsic> intrinsics;
private List<Generator> generators;
private Map<MethodReference, Intrinsic> intrinsicCache = new HashMap<>();
private Predicate<MethodReference> asyncMethods;
public GenerationContext(VirtualTableProvider virtualTableProvider, Characteristics characteristics,
DependencyInfo dependencies, StringPool stringPool, NameProvider names, Diagnostics diagnostics,
ClassReaderSource classSource, List<Intrinsic> intrinsics, List<Generator> generators) {
ClassReaderSource classSource, List<Intrinsic> intrinsics, List<Generator> generators,
Predicate<MethodReference> asyncMethods) {
this.virtualTableProvider = virtualTableProvider;
this.characteristics = characteristics;
this.dependencies = dependencies;
@ -52,6 +55,7 @@ public class GenerationContext {
this.classSource = classSource;
this.intrinsics = new ArrayList<>(intrinsics);
this.generators = new ArrayList<>(generators);
this.asyncMethods = asyncMethods;
}
public void addIntrinsic(Intrinsic intrinsic) {
@ -99,4 +103,8 @@ public class GenerationContext {
}
return null;
}
public boolean isAsync(MethodReference method) {
return asyncMethods.test(method);
}
}

4
core/src/main/java/org/teavm/backend/c/intrinsic/PlatformIntrinsic.java
View File

@ -30,7 +30,6 @@ public class PlatformIntrinsic implements Intrinsic {
switch (method.getName()) {
case "getPlatformObject":
case "asJavaClass":
case "createQueue":
return true;
}
return false;
@ -43,9 +42,6 @@ public class PlatformIntrinsic implements Intrinsic {
case "asJavaClass":
context.emit(invocation.getArguments().get(0));
break;
case "createQueue":
context.writer().print("NULL");
break;
}
}
}

502
core/src/main/java/org/teavm/backend/lowlevel/transform/CoroutineTransformation.java Normal file
View File

@ -0,0 +1,502 @@
/*
* Copyright 2018 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.backend.lowlevel.transform;
import com.carrotsearch.hppc.IntIntHashMap;
import com.carrotsearch.hppc.IntIntMap;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.BitSet;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.teavm.common.Graph;
import org.teavm.common.GraphSplittingBackend;
import org.teavm.common.GraphUtils;
import org.teavm.model.BasicBlock;
import org.teavm.model.ClassReader;
import org.teavm.model.ClassReaderSource;
import org.teavm.model.Instruction;
import org.teavm.model.MethodDescriptor;
import org.teavm.model.MethodReader;
import org.teavm.model.MethodReference;
import org.teavm.model.Program;
import org.teavm.model.TextLocation;
import org.teavm.model.TryCatchBlock;
import org.teavm.model.ValueType;
import org.teavm.model.Variable;
import org.teavm.model.instructions.BranchingCondition;
import org.teavm.model.instructions.BranchingInstruction;
import org.teavm.model.instructions.DoubleConstantInstruction;
import org.teavm.model.instructions.ExitInstruction;
import org.teavm.model.instructions.FloatConstantInstruction;
import org.teavm.model.instructions.InitClassInstruction;
import org.teavm.model.instructions.IntegerConstantInstruction;
import org.teavm.model.instructions.InvocationType;
import org.teavm.model.instructions.InvokeInstruction;
import org.teavm.model.instructions.JumpInstruction;
import org.teavm.model.instructions.LongConstantInstruction;
import org.teavm.model.instructions.MonitorEnterInstruction;
import org.teavm.model.instructions.NullConstantInstruction;
import org.teavm.model.instructions.SwitchInstruction;
import org.teavm.model.instructions.SwitchTableEntry;
import org.teavm.model.util.BasicBlockMapper;
import org.teavm.model.util.BasicBlockSplitter;
import org.teavm.model.util.DefinitionExtractor;
import org.teavm.model.util.LivenessAnalyzer;
import org.teavm.model.util.PhiUpdater;
import org.teavm.model.util.ProgramUtils;
import org.teavm.model.util.TransitionExtractor;
import org.teavm.model.util.TypeInferer;
import org.teavm.model.util.UsageExtractor;
import org.teavm.model.util.VariableType;
import org.teavm.runtime.Fiber;
public class CoroutineTransformation {
private ClassReaderSource classSource;
private LivenessAnalyzer livenessAnalysis = new LivenessAnalyzer();
private TypeInferer variableTypes = new TypeInferer();
private Set<MethodReference> asyncMethods;
private Program program;
private Variable fiberVar;
private BasicBlockSplitter splitter;
private SwitchInstruction resumeSwitch;
private int parameterCount;
private ValueType returnType;
public CoroutineTransformation(ClassReaderSource classSource, Set<MethodReference> asyncMethods) {
this.classSource = classSource;
this.asyncMethods = asyncMethods;
}
public void apply(Program program, MethodReference methodReference) {
if (methodReference.getClassName().equals(Fiber.class.getName())) {
return;
}
boolean hasJob = false;
for (BasicBlock block : program.getBasicBlocks()) {
if (hasSplitInstructions(block)) {
hasJob = true;
}
}
if (!hasJob) {
return;
}
this.program = program;
parameterCount = methodReference.parameterCount();
returnType = methodReference.getReturnType();
variableTypes.inferTypes(program, methodReference);
livenessAnalysis.analyze(program);
splitter = new BasicBlockSplitter(program);
int basicBlockCount = program.basicBlockCount();
createSplitPrologue();
for (int i = 1; i <= basicBlockCount; ++i) {
processBlock(program.basicBlockAt(i));
}
splitter.fixProgram();
processIrreducibleCfg();
}
private void createSplitPrologue() {
fiberVar = program.createVariable();
fiberVar.setLabel("fiber");
BasicBlock firstBlock = program.basicBlockAt(0);
BasicBlock continueBlock = splitter.split(firstBlock, null);
BasicBlock switchStateBlock = program.createBasicBlock();
TextLocation location = continueBlock.getFirstInstruction().getLocation();
InvokeInstruction getFiber = new InvokeInstruction();
getFiber.setType(InvocationType.SPECIAL);
getFiber.setMethod(new MethodReference(Fiber.class, "current", Fiber.class));
getFiber.setReceiver(fiberVar);
getFiber.setLocation(location);
firstBlock.add(getFiber);
InvokeInstruction isResuming = new InvokeInstruction();
isResuming.setType(InvocationType.SPECIAL);
isResuming.setMethod(new MethodReference(Fiber.class, "isResuming", boolean.class));
isResuming.setInstance(fiberVar);
isResuming.setReceiver(program.createVariable());
isResuming.setLocation(location);
firstBlock.add(isResuming);
BranchingInstruction jumpIfResuming = new BranchingInstruction(BranchingCondition.NOT_EQUAL);
jumpIfResuming.setOperand(isResuming.getReceiver());
jumpIfResuming.setConsequent(switchStateBlock);
jumpIfResuming.setAlternative(continueBlock);
firstBlock.add(jumpIfResuming);
InvokeInstruction popInt = new InvokeInstruction();
popInt.setType(InvocationType.SPECIAL);
popInt.setMethod(new MethodReference(Fiber.class, "popInt", int.class));
popInt.setInstance(fiberVar);
popInt.setReceiver(program.createVariable());
popInt.setLocation(location);
switchStateBlock.add(popInt);
resumeSwitch = new SwitchInstruction();
resumeSwitch.setDefaultTarget(continueBlock);
resumeSwitch.setCondition(popInt.getReceiver());
resumeSwitch.setLocation(location);
switchStateBlock.add(resumeSwitch);
}
private void processBlock(BasicBlock block) {
Map<Instruction, BitSet> splitInstructions = collectSplitInstructions(block);
List<Instruction> instructionList = new ArrayList<>(splitInstructions.keySet());
Collections.reverse(instructionList);
for (Instruction instruction : instructionList) {
BasicBlock intermediate = splitter.split(block, instruction.getPrevious());
BasicBlock next = splitter.split(intermediate, instruction);
createSplitPoint(block, intermediate, next, splitInstructions.get(instruction));
block = next;
}
}
private Map<Instruction, BitSet> collectSplitInstructions(BasicBlock block) {
if (!hasSplitInstructions(block)) {
return Collections.emptyMap();
}
BitSet live = new BitSet();
TransitionExtractor transitionExtractor = new TransitionExtractor();
block.getLastInstruction().acceptVisitor(transitionExtractor);
for (BasicBlock successor : transitionExtractor.getTargets()) {
live.or(livenessAnalysis.liveIn(successor.getIndex()));
}
for (TryCatchBlock tryCatch : block.getTryCatchBlocks()) {
live.or(livenessAnalysis.liveIn(tryCatch.getHandler().getIndex()));
}
Map<Instruction, BitSet> result = new LinkedHashMap<>();
UsageExtractor use = new UsageExtractor();
DefinitionExtractor def = new DefinitionExtractor();
for (Instruction instruction = block.getLastInstruction(); instruction != null;
instruction = instruction.getPrevious()) {
instruction.acceptVisitor(def);
if (def.getDefinedVariables() != null) {
for (Variable var : def.getDefinedVariables()) {
live.clear(var.getIndex());
}
}
instruction.acceptVisitor(use);
if (use.getUsedVariables() != null) {
for (Variable var : use.getUsedVariables()) {
live.set(var.getIndex());
}
}
if (isSplitInstruction(instruction)) {
result.put(instruction, (BitSet) live.clone());
}
}
return result;
}
private boolean hasSplitInstructions(BasicBlock block) {
for (Instruction instruction : block) {
if (isSplitInstruction(instruction)) {
return true;
}
}
return false;
}
private boolean isSplitInstruction(Instruction instruction) {
if (instruction instanceof InvokeInstruction) {
InvokeInstruction invoke = (InvokeInstruction) instruction;
MethodReference method = findRealMethod(invoke.getMethod());
if (method.getClassName().equals(Fiber.class.getName())) {
return false;
}
return asyncMethods.contains(method);
} else if (instruction instanceof InitClassInstruction) {
return isSplittingClassInitializer(((InitClassInstruction) instruction).getClassName());
} else {
return instruction instanceof MonitorEnterInstruction;
}
}
private void createSplitPoint(BasicBlock block, BasicBlock intermediate, BasicBlock next, BitSet liveVars) {
int stateNumber = resumeSwitch.getEntries().size();
Instruction splitInstruction = intermediate.getFirstInstruction();
JumpInstruction jumpToIntermediate = new JumpInstruction();
jumpToIntermediate.setTarget(intermediate);
jumpToIntermediate.setLocation(splitInstruction.getLocation());
block.add(jumpToIntermediate);
BasicBlock restoreBlock = program.createBasicBlock();
BasicBlock saveBlock = program.createBasicBlock();
SwitchTableEntry switchTableEntry = new SwitchTableEntry();
switchTableEntry.setCondition(stateNumber);
switchTableEntry.setTarget(restoreBlock);
resumeSwitch.getEntries().add(switchTableEntry);
InvokeInstruction isSuspending = new InvokeInstruction();
isSuspending.setType(InvocationType.SPECIAL);
isSuspending.setMethod(new MethodReference(Fiber.class, "isSuspending", boolean.class));
isSuspending.setInstance(fiberVar);
isSuspending.setReceiver(program.createVariable());
isSuspending.setLocation(splitInstruction.getLocation());
intermediate.add(isSuspending);
BranchingInstruction branchIfSuspending = new BranchingInstruction(BranchingCondition.NOT_EQUAL);
branchIfSuspending.setOperand(isSuspending.getReceiver());
branchIfSuspending.setConsequent(saveBlock);
branchIfSuspending.setAlternative(next);
branchIfSuspending.setLocation(splitInstruction.getLocation());
intermediate.add(branchIfSuspending);
restoreBlock.addAll(restoreState(liveVars));
JumpInstruction doneRestoring = new JumpInstruction();
doneRestoring.setTarget(intermediate);
restoreBlock.add(doneRestoring);
for (Instruction instruction : restoreBlock) {
instruction.setLocation(splitInstruction.getLocation());
}
for (Instruction instruction : saveState(liveVars)) {
instruction.setLocation(splitInstruction.getLocation());
saveBlock.add(instruction);
}
for (Instruction instruction : saveStateNumber(stateNumber)) {
instruction.setLocation(splitInstruction.getLocation());
saveBlock.add(instruction);
}
createReturnInstructions(splitInstruction.getLocation(), saveBlock);
}
private List<Instruction> saveState(BitSet vars) {
List<Instruction> instructions = new ArrayList<>();
for (int var = vars.nextSetBit(0); var >= 0; var = vars.nextSetBit(var + 1)) {
saveVariable(var, instructions);
}
return instructions;
}
private List<Instruction> saveStateNumber(int number) {
IntegerConstantInstruction constant = new IntegerConstantInstruction();
constant.setReceiver(program.createVariable());
constant.setConstant(number);
InvokeInstruction invoke = new InvokeInstruction();
invoke.setType(InvocationType.SPECIAL);
invoke.setMethod(new MethodReference(Fiber.class, "push", int.class, void.class));
invoke.setInstance(fiberVar);
invoke.setArguments(constant.getReceiver());
return Arrays.asList(constant, invoke);
}
private List<Instruction> restoreState(BitSet vars) {
List<Instruction> instructions = new ArrayList<>();
int[] varArray = new int[vars.cardinality()];
int j = 0;
for (int i = vars.nextSetBit(0); i >= 0; i = vars.nextSetBit(i + 1)) {
varArray[j++] = i;
}
for (int i = varArray.length - 1; i >= 0; --i) {
restoreVariable(varArray[i], instructions);
}
return instructions;
}
private void saveVariable(int var, List<Instruction> instructions) {
VariableType type = variableTypes.typeOf(var);
InvokeInstruction invoke = new InvokeInstruction();
invoke.setType(InvocationType.SPECIAL);
invoke.setInstance(fiberVar);
invoke.setArguments(program.variableAt(var));
switch (type) {
case INT:
invoke.setMethod(new MethodReference(Fiber.class, "push", int.class, void.class));
break;
case LONG:
invoke.setMethod(new MethodReference(Fiber.class, "push", long.class, void.class));
break;
case FLOAT:
invoke.setMethod(new MethodReference(Fiber.class, "push", float.class, void.class));
break;
case DOUBLE:
invoke.setMethod(new MethodReference(Fiber.class, "push", double.class, void.class));
break;
default:
invoke.setMethod(new MethodReference(Fiber.class, "push", Object.class, void.class));
break;
}
instructions.add(invoke);
}
private void restoreVariable(int var, List<Instruction> instructions) {
VariableType type = variableTypes.typeOf(var);
InvokeInstruction invoke = new InvokeInstruction();
invoke.setType(InvocationType.SPECIAL);
invoke.setInstance(fiberVar);
invoke.setReceiver(program.variableAt(var));
switch (type) {
case INT:
invoke.setMethod(new MethodReference(Fiber.class, "popInt", int.class));
break;
case LONG:
invoke.setMethod(new MethodReference(Fiber.class, "popLong", long.class));
break;
case FLOAT:
invoke.setMethod(new MethodReference(Fiber.class, "popFloat", float.class));
break;
case DOUBLE:
invoke.setMethod(new MethodReference(Fiber.class, "popDouble", double.class));
break;
default:
invoke.setMethod(new MethodReference(Fiber.class, "popObject", Object.class));
break;
}
instructions.add(invoke);
}
private boolean isSplittingClassInitializer(String className) {
ClassReader cls = classSource.get(className);
if (cls == null) {
return false;
}
MethodReader method = cls.getMethod(new MethodDescriptor("<clinit>", ValueType.VOID));
return method != null && asyncMethods.contains(method.getReference());
}
private MethodReference findRealMethod(MethodReference method) {
String clsName = method.getClassName();
while (clsName != null) {
ClassReader cls = classSource.get(clsName);
if (cls == null) {
break;
}
MethodReader methodReader = cls.getMethod(method.getDescriptor());
if (methodReader != null) {
return new MethodReference(clsName, method.getDescriptor());
}
clsName = cls.getParent();
if (clsName != null && clsName.equals(cls.getName())) {
break;
}
}
return method;
}
private void createReturnInstructions(TextLocation location, BasicBlock block) {
ExitInstruction exit = new ExitInstruction();
exit.setLocation(location);
if (returnType == ValueType.VOID) {
block.add(exit);
return;
}
exit.setValueToReturn(program.createVariable());
Instruction returnValue = createReturnValueInstruction(exit.getValueToReturn());
returnValue.setLocation(location);
block.add(returnValue);
block.add(exit);
}
private Instruction createReturnValueInstruction(Variable target) {
if (returnType instanceof ValueType.Primitive) {
switch (((ValueType.Primitive) returnType).getKind()) {
case BOOLEAN:
case BYTE:
case CHARACTER:
case SHORT:
case INTEGER: {
IntegerConstantInstruction instruction = new IntegerConstantInstruction();
instruction.setReceiver(target);
return instruction;
}
case LONG: {
LongConstantInstruction instruction = new LongConstantInstruction();
instruction.setReceiver(target);
return instruction;
}
case FLOAT: {
FloatConstantInstruction instruction = new FloatConstantInstruction();
instruction.setReceiver(target);
return instruction;
}
case DOUBLE: {
DoubleConstantInstruction instruction = new DoubleConstantInstruction();
instruction.setReceiver(target);
return instruction;
}
}
}
NullConstantInstruction instruction = new NullConstantInstruction();
instruction.setReceiver(target);
return instruction;
}
private void processIrreducibleCfg() {
Graph graph = ProgramUtils.buildControlFlowGraph(program);
if (!GraphUtils.isIrreducible(graph)) {
return;
}
SplittingBackend splittingBackend = new SplittingBackend();
int[] weights = new int[graph.size()];
for (int i = 0; i < program.basicBlockCount(); ++i) {
weights[i] = program.basicBlockAt(i).instructionCount();
}
GraphUtils.splitIrreducibleGraph(graph, weights, splittingBackend);
new PhiUpdater().updatePhis(program, parameterCount + 1);
}
class SplittingBackend implements GraphSplittingBackend {
@Override
public int[] split(int[] domain, int[] nodes) {
int[] copies = new int[nodes.length];
IntIntMap map = new IntIntHashMap();
for (int i = 0; i < nodes.length; ++i) {
int node = nodes[i];
BasicBlock block = program.basicBlockAt(node);
BasicBlock blockCopy = program.createBasicBlock();
ProgramUtils.copyBasicBlock(block, blockCopy);
copies[i] = blockCopy.getIndex();
map.put(nodes[i], copies[i] + 1);
}
BasicBlockMapper copyBlockMapper = new BasicBlockMapper((int block) -> {
int mappedIndex = map.get(block);
return mappedIndex == 0 ? block : mappedIndex - 1;
});
for (int copy : copies) {
copyBlockMapper.transform(program.basicBlockAt(copy));
}
for (int domainNode : domain) {
copyBlockMapper.transform(program.basicBlockAt(domainNode));
}
return copies;
}
}
}

5
core/src/main/java/org/teavm/model/lowlevel/ExceptionHandlingShadowStackContributor.java
View File

@ -51,6 +51,8 @@ import org.teavm.model.instructions.InvocationType;
import org.teavm.model.instructions.InvokeInstruction;
import org.teavm.model.instructions.JumpInstruction;
import org.teavm.model.instructions.LongConstantInstruction;
import org.teavm.model.instructions.MonitorEnterInstruction;
import org.teavm.model.instructions.MonitorExitInstruction;
import org.teavm.model.instructions.NullConstantInstruction;
import org.teavm.model.instructions.RaiseInstruction;
import org.teavm.model.instructions.SwitchInstruction;
@ -258,7 +260,8 @@ public class ExceptionHandlingShadowStackContributor {
private boolean isCallInstruction(Instruction insn) {
if (insn instanceof InitClassInstruction || insn instanceof ConstructInstruction
|| insn instanceof ConstructArrayInstruction || insn instanceof ConstructMultiArrayInstruction
|| insn instanceof CloneArrayInstruction || insn instanceof RaiseInstruction) {
|| insn instanceof CloneArrayInstruction || insn instanceof RaiseInstruction
|| insn instanceof MonitorEnterInstruction || insn instanceof MonitorExitInstruction) {
return true;
} else if (insn instanceof InvokeInstruction) {
MethodReference method = ((InvokeInstruction) insn).getMethod();

5
core/src/main/java/org/teavm/model/lowlevel/GCShadowStackContributor.java
View File

@ -50,6 +50,8 @@ import org.teavm.model.instructions.InitClassInstruction;
import org.teavm.model.instructions.IntegerConstantInstruction;
import org.teavm.model.instructions.InvocationType;
import org.teavm.model.instructions.InvokeInstruction;
import org.teavm.model.instructions.MonitorEnterInstruction;
import org.teavm.model.instructions.MonitorExitInstruction;
import org.teavm.model.instructions.RaiseInstruction;
import org.teavm.model.util.DefinitionExtractor;
import org.teavm.model.util.GraphColorer;
@ -155,7 +157,8 @@ public class GCShadowStackContributor {
if (insn instanceof InvokeInstruction || insn instanceof InitClassInstruction
|| insn instanceof ConstructInstruction || insn instanceof ConstructArrayInstruction
|| insn instanceof ConstructMultiArrayInstruction
|| insn instanceof CloneArrayInstruction || insn instanceof RaiseInstruction) {
|| insn instanceof CloneArrayInstruction || insn instanceof RaiseInstruction
|| insn instanceof MonitorEnterInstruction || insn instanceof MonitorExitInstruction) {
if (insn instanceof InvokeInstruction
&& !characteristics.isManaged(((InvokeInstruction) insn).getMethod())) {
continue;

5
core/src/main/java/org/teavm/model/util/AsyncMethodFinder.java
View File

@ -40,6 +40,7 @@ import org.teavm.model.MethodReference;
import org.teavm.model.ProgramReader;
import org.teavm.model.VariableReader;
import org.teavm.model.instructions.AbstractInstructionReader;
import org.teavm.runtime.Fiber;
public class AsyncMethodFinder {
private Set<MethodReference> asyncMethods = new HashSet<>();
@ -142,6 +143,10 @@ public class AsyncMethodFinder {
}
private void add(MethodReference methodRef, CallStack stack) {
if (methodRef.getClassName().equals(Fiber.class.getName())) {
return;
}
if (!asyncMethods.add(methodRef)) {
return;
}

18
core/src/main/java/org/teavm/model/util/BasicBlockSplitter.java
View File

@ -67,7 +67,7 @@ public class BasicBlockSplitter {
public BasicBlock split(BasicBlock block, Instruction afterInstruction) {
initIfNecessary();
if (afterInstruction.getBasicBlock() != block) {
if (afterInstruction != null && afterInstruction.getBasicBlock() != block) {
throw new IllegalArgumentException();
}
@ -88,10 +88,18 @@ public class BasicBlockSplitter {
isLastInSequence.add((byte) 1);
splitBlock.getTryCatchBlocks().addAll(ProgramUtils.copyTryCatches(block, program));
while (afterInstruction.getNext() != null) {
Instruction nextInstruction = afterInstruction.getNext();
nextInstruction.delete();
splitBlock.add(nextInstruction);
if (afterInstruction != null) {
while (afterInstruction.getNext() != null) {
Instruction nextInstruction = afterInstruction.getNext();
nextInstruction.delete();
splitBlock.add(nextInstruction);
}
} else {
while (block.getFirstInstruction() != null) {
Instruction instruction = block.getFirstInstruction();
instruction.delete();
splitBlock.add(instruction);
}
}
return splitBlock;

147
core/src/main/java/org/teavm/runtime/EventQueue.java Normal file
View File

@ -0,0 +1,147 @@
/*
* Copyright 2018 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.runtime;
import java.util.Arrays;
import org.teavm.interop.Import;
import org.teavm.interop.StaticInit;
@StaticInit
public final class EventQueue {
private static Node[] data = new Node[16];
private static int size;
private static boolean finished;
private static int idGenerator;
private EventQueue() {
}
public static int offer(Event action) {
return offer(action, System.currentTimeMillis());
}
public static int offer(Event action, long time) {
ensureCapacity(size + 1);
int current = size;
while (current > 0) {
int parent = (current - 1) / 2;
if (time < data[parent].time) {
data[current] = data[parent];
current = parent;
} else {
break;
}
}
int id = idGenerator++;
data[current] = new Node(id, action, time);
++size;
if (current == 0) {
interrupt();
}
return id;
}
public static void kill(int id) {
for (int i = 0; i < data.length; ++i) {
if (data[i].id == id) {
remove(i);
break;
}
}
}
public static void process() {
while (!finished) {
next();
}
}
static void stop() {
finished = true;
}
private static void next() {
while (data.length == 0) {
waitUntil(System.currentTimeMillis() + 1000);
}
Node node = data[0];
waitUntil(node.time);
if (node.time <= System.currentTimeMillis()) {
remove(0);
node.event.run();
}
}
private static void remove(int index) {
Node item = data[size - 1];
while (true) {
int left = index * 2 + 1;
int right = left + 1;
int next;
if (left >= size) {
break;
} else if (right >= size || data[left].time < data[right].time) {
next = left;
} else {
next = right;
}
if (item.time <= data[next].time) {
break;
}
data[index] = data[next];
index = next;
}
data[index] = item;
}
private static void waitUntil(long time) {
long diff = time - System.currentTimeMillis();
if (diff <= 0) {
return;
}
waitFor(diff);
}
@Import(name = "teavm_waitFor")
private static native void waitFor(long time);
@Import(name = "teavm_interrupt")
private static native void interrupt();
private static void ensureCapacity(int capacity) {
if (data.length >= capacity) {
return;
}
capacity = Math.max(capacity, data.length * 3 / 2);
data = Arrays.copyOf(data, capacity);
}
static class Node {
final int id;
final Event event;
final long time;
Node(int id, Event event, long time) {
this.id = id;
this.event = event;
this.time = time;
}
}
public interface Event {
void run();
}
}

243
core/src/main/java/org/teavm/runtime/Fiber.java Normal file
View File

@ -0,0 +1,243 @@
/*
* Copyright 2018 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.runtime;
import java.util.Arrays;
import org.teavm.interop.AsyncCallback;
import org.teavm.interop.StaticInit;
import org.teavm.interop.Unmanaged;
@StaticInit
public class Fiber {
public static final int STATE_RUNNING = 0;
public static final int STATE_SUSPENDING = 1;
public static final int STATE_RESUMING = 2;
private int[] intValues;
private int intTop;
private long[] longValues;
private int longTop;
private float[] floatValues;
private int floatTop;
private double[] doubleValues;
private int doubleTop;
private Object[] objectValues;
private int objectTop;
private int state;
private FiberRunner runner;
private Object result;
private Throwable exception;
private static Fiber current;
private Fiber(FiberRunner runner) {
this.runner = runner;
}
public void push(int value) {
if (intValues == null) {
intValues = new int[4];
} else if (intTop + 1 == intValues.length) {
intValues = Arrays.copyOf(intValues, intValues.length * 3 / 2);
}
intValues[intTop++] = value;
}
public void push(long value) {
if (longValues == null) {
longValues = new long[4];
} else if (longTop + 1 == longValues.length) {
longValues = Arrays.copyOf(longValues, longValues.length * 3 / 2);
}
longValues[longTop++] = value;
}
public void push(float value) {
if (floatValues == null) {
floatValues = new float[4];
} else if (floatTop + 1 == floatValues.length) {
floatValues = Arrays.copyOf(floatValues, floatValues.length * 3 / 2);
}
floatValues[floatTop++] = value;
}
public void push(double value) {
if (doubleValues == null) {
doubleValues = new double[4];
} else if (doubleTop + 4 == doubleValues.length) {
doubleValues = Arrays.copyOf(doubleValues, doubleValues.length * 3 / 2);
}
doubleValues[doubleTop++] = value;
}
public void push(Object value) {
if (objectValues == null) {
objectValues = new Object[4];
} else if (objectTop + 4 == objectValues.length) {
objectValues = Arrays.copyOf(objectValues, objectValues.length * 3 / 2);
}
objectValues[objectTop++] = value;
}
@Unmanaged
public int popInt() {
return intValues[--intTop];
}
@Unmanaged
public long popLong() {
return longValues[--longTop];
}
@Unmanaged
public float popFloat() {
return floatValues[--floatTop];
}
@Unmanaged
public double popDouble() {
return doubleValues[--doubleTop];
}
@Unmanaged
public Object popObject() {
Object result = objectValues[--objectTop];
objectValues[objectTop] = null;
return result;
}
@Unmanaged
public static Fiber current() {
return current;
}
@Unmanaged
public boolean isSuspending() {
return state == STATE_SUSPENDING;
}
@Unmanaged
public boolean isResuming() {
return state == STATE_RESUMING;
}
@Unmanaged
public static boolean getBoolean(Object v) {
return v != null ? (Boolean) v : false;
}
@Unmanaged
public static byte getByte(Object v) {
return v != null ? (Byte) v : 0;
}
@Unmanaged
public static short getShort(Object v) {
return v != null ? (Short) v : 0;
}
@Unmanaged
public static int getInt(Object v) {
return v != null ? (Integer) v : 0;
}
@Unmanaged
public static char getChar(Object v) {
return v != null ? (Character) v : 0;
}
@Unmanaged
public static long getLong(Object v) {
return v != null ? (Long) v : 0;
}
@Unmanaged
public static float getFloat(Object v) {
return v != null ? (Float) v : 0;
}
@Unmanaged
public static double getDouble(Object v) {
return v != null ? (Double) v : 0;
}
public static Object suspend(AsyncCall call) throws Throwable {
Fiber fiber = current();
Thread javaThread = Thread.currentThread();
if (fiber.isResuming()) {
fiber.state = STATE_RUNNING;
if (fiber.exception != null) {
throw fiber.exception;
}
return fiber.result;
}
fiber.state = STATE_SUSPENDING;
call.run(new AsyncCallback<Object>() {
@Override
public void complete(Object result) {
setCurrentThread(javaThread);
fiber.result = result;
fiber.resume();
}
@Override
public void error(Throwable e) {
setCurrentThread(javaThread);
fiber.exception = e;
fiber.resume();
}
});
return null;
}
static native void setCurrentThread(Thread thread);
public static void start(FiberRunner runner) {
new Fiber(runner).start();
}
static void startMain() {
start(() -> {
runMain();
if (!current().isSuspending()) {
EventQueue.stop();
}
});
}
static native void runMain();
private void start() {
Fiber former = current;
current = this;
runner.run();
current = former;
}
private void resume() {
state = STATE_RESUMING;
start();
}
public interface FiberRunner {
void run();
}
public interface AsyncCall {
void run(AsyncCallback<?> callback);
}
}

25
core/src/main/java/org/teavm/vm/TeaVM.java
View File

@ -24,6 +24,7 @@ import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Properties;
@ -377,6 +378,10 @@ public class TeaVM implements TeaVMHost, ServiceRepository {
return;
}
target.analyzeBeforeOptimizations(new ListableClassReaderSourceAdapter(
dependencyAnalyzer.getClassSource(),
new LinkedHashSet<>(dependencyAnalyzer.getReachableClasses())));
boolean isLazy = optimizationLevel == TeaVMOptimizationLevel.SIMPLE;
ListableClassHolderSource classSet;
if (isLazy) {
@ -869,4 +874,24 @@ public class TeaVM implements TeaVMHost, ServiceRepository {
return classNames;
}
}
static class ListableClassReaderSourceAdapter implements ListableClassReaderSource {
private ClassReaderSource classSource;
private Set<String> classes;
ListableClassReaderSourceAdapter(ClassReaderSource classSource, Set<String> classes) {
this.classSource = classSource;
this.classes = Collections.unmodifiableSet(classes);
}
@Override
public Set<String> getClassNames() {
return classes;
}
@Override
public ClassReader get(String name) {
return classes.contains(name) ? classSource.get(name) : null;
}
}
}

4
core/src/main/java/org/teavm/vm/TeaVMTarget.java
View File

@ -21,6 +21,7 @@ import org.teavm.dependency.DependencyAnalyzer;
import org.teavm.dependency.DependencyListener;
import org.teavm.model.ClassHolderTransformer;
import org.teavm.model.ListableClassHolderSource;
import org.teavm.model.ListableClassReaderSource;
import org.teavm.model.MethodReader;
import org.teavm.model.Program;
import org.teavm.vm.spi.TeaVMHostExtension;
@ -38,6 +39,9 @@ public interface TeaVMTarget {
void contributeDependencies(DependencyAnalyzer dependencyAnalyzer);
default void analyzeBeforeOptimizations(ListableClassReaderSource classSource) {
}
void beforeOptimizations(Program program, MethodReader method);
void afterOptimizations(Program program, MethodReader method);

55
core/src/main/resources/org/teavm/backend/c/runtime.c
View File

@ -13,6 +13,7 @@
#include <stdalign.h>
#include <unistd.h>
#include <sys/mman.h>
#include <signal.h>
#endif
#ifdef _MSC_VER
@ -29,6 +30,8 @@ typedef struct JavaArray JavaArray;
typedef struct JavaClass JavaClass;
typedef struct JavaString JavaString;
static void* gc_heapAddress = NULL;
#define PACK_CLASS(cls) ((int32_t) ((uintptr_t) ((char*) (cls) - TeaVM_beforeClasses) >> 3))
#define UNPACK_CLASS(cls) ((JavaClass*) (TeaVM_beforeClasses + ((cls) << 3)))
#define CLASS_OF(obj) (UNPACK_CLASS(((JavaObject*) (obj))->header))
@ -42,6 +45,11 @@ typedef struct JavaString JavaString;
#define TO_SHORT(i) ((((i) << 16) >> 16))
#define TO_CHAR(i) ((char16_t) (i))
#define PACK_MONITOR(ref) (((int32_t) ((uintptr_t) (ref) - (uintptr_t) gc_heapAddress) / sizeof(int)) | 0x80000000)
#define UNPACK_MONITOR(ref) ((ref & 0x80000000) != 0 \
? (void*) (((uintptr_t) ((ref & 0x7FFFFFFF) * sizeof(int)) + (uintptr_t) gc_heapAddress)) \
: NULL)
static inline int32_t compare_i32(int32_t a, int32_t b) {
return a > b ? INT32_C(1) : a < b ? INT32_C(-1) : INT32_C(0);
}
@ -100,7 +108,6 @@ static void** stackTop;
static void* gc_gcStorageAddress = NULL;
static int32_t gc_gcStorageSize = INT32_C(0);
static void* gc_heapAddress = NULL;
static void* gc_regionsAddress = NULL;
static int32_t gc_regionSize = INT32_C(32768);
static int32_t gc_regionMaxCount = INT32_C(0);
@ -156,8 +163,31 @@ static inline void* teavm_lookupResourceValue(TeaVM_ResourceMap *map, JavaString
static JavaArray* teavm_resourceMapKeys(TeaVM_ResourceMap *);
#ifdef __GNUC__
static timer_t teavm_queueTimer;
#endif
static void TeaVM_beforeInit() {
srand(time(NULL));
#ifdef __GNUC__
struct sigaction sigact;
sigact.sa_flags = 0;
sigact.sa_handler = NULL;
sigaction(SIGRTMIN, &sigact, NULL);
sigset_t signals;
sigemptyset(&signals );
sigaddset(&signals, SIGRTMIN);
sigprocmask(SIG_BLOCK, &signals, NULL);
struct sigevent sev;
sev.sigev_notify = SIGEV_SIGNAL;
sev.sigev_signo = SIGRTMIN;
timer_create(CLOCK_REALTIME, &sev, &teavm_queueTimer);
#endif
}
#ifdef __GNUC__
@ -295,3 +325,26 @@ static inline float teavm_reinterpretIntToFloat(int32_t v) {
conv.intValue = v;
return conv.floatValue;
}
#ifdef __GNUC__
static void teavm_waitFor(int64_t timeout) {
struct itimerspec its = {0};
its.it_value.tv_sec = timeout / 1000;
its.it_value.tv_nsec = (timeout % 1000) * 1000000L;
timer_settime(teavm_queueTimer, 0, &its, NULL);
sigset_t signals;
sigemptyset(&signals);
sigaddset(&signals, SIGRTMIN);
siginfo_t actualSignal;
sigwaitinfo(&signals, &actualSignal);
}
static void teavm_interrupt() {
struct itimerspec its = {0};
timer_settime(teavm_queueTimer, 0, &its, NULL);
raise(SIGRTMIN);
}
#endif

9
platform/src/main/java/org/teavm/platform/async/AsyncCallback.java → interop/core/src/main/java/org/teavm/interop/AsyncCallback.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2015 Alexey Andreev.
* Copyright 2018 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -13,13 +13,8 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.platform.async;
package org.teavm.interop;
/**
*
* @author Alexey Andreev
* @param <T>
*/
public interface AsyncCallback<T> {
void complete(T result);

47
platform/src/main/java/org/teavm/platform/LowLevelQueue.java Normal file
View File

@ -0,0 +1,47 @@
/*
* Copyright 2019 konsoletyper.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.platform;
import java.util.ArrayDeque;
import java.util.Queue;
public class LowLevelQueue<T> extends PlatformQueue<T> {
Queue<T> q = new ArrayDeque<>();
@Override
public int getLength() {
return q.size();
}
@Override
void push(PlatformObject obj) {
}
@Override
PlatformObject shift() {
return null;
}
@Override
public void add(T e) {
q.add(e);
}
@Override
public T remove() {
return q.remove();
}
}

18
platform/src/main/java/org/teavm/platform/Platform.java
View File

@ -21,6 +21,8 @@ import org.teavm.backend.javascript.spi.InjectedBy;
import org.teavm.dependency.PluggableDependency;
import org.teavm.interop.Address;
import org.teavm.interop.DelegateTo;
import org.teavm.interop.PlatformMarker;
import org.teavm.interop.PlatformMarkers;
import org.teavm.interop.Unmanaged;
import org.teavm.jso.JSBody;
import org.teavm.jso.JSObject;
@ -193,7 +195,16 @@ public final class Platform {
}
@JSBody(script = "return [];")
public static native <T> PlatformQueue<T> createQueue();
public static <T> PlatformQueue<T> createQueue() {
if (isLowLevel()) {
return new LowLevelQueue<>();
} else {
return createQueueJs();
}
}
@JSBody(script = "return [];")
private static native <T> PlatformQueue<T> createQueueJs();
public static PlatformString stringFromCharCode(int charCode) {
return JSString.fromCharCode(charCode).cast();
@ -230,4 +241,9 @@ public final class Platform {
public static String getName(PlatformClass cls) {
return cls.getMetadata().getName();
}
@PlatformMarker(PlatformMarkers.LOW_LEVEL)
private static boolean isLowLevel() {
return false;
}
}

4
platform/src/main/java/org/teavm/platform/PlatformQueue.java
View File

@ -33,11 +33,11 @@ public abstract class PlatformQueue<T> implements JSObject {
abstract PlatformObject shift();
public final void add(T e) {
public void add(T e) {
push(wrap(e));
}
public final T remove() {
public T remove() {
return unwrap(shift());
}

20
platform/src/main/java/org/teavm/platform/plugin/AsyncCallClass.java Normal file
View File

@ -0,0 +1,20 @@
/*
* Copyright 2018 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.platform.plugin;
@interface AsyncCallClass {
String value();
}

2
platform/src/main/java/org/teavm/platform/plugin/AsyncCallbackWrapper.java
View File

@ -15,7 +15,7 @@
*/
package org.teavm.platform.plugin;
import org.teavm.platform.async.AsyncCallback;
import org.teavm.interop.AsyncCallback;
class AsyncCallbackWrapper<T> implements AsyncCallback<T> {
private AsyncCallback<T> realAsyncCallback;

230
platform/src/main/java/org/teavm/platform/plugin/AsyncLowLevelDependencyListener.java Normal file
View File

@ -0,0 +1,230 @@
/*
* Copyright 2018 Alexey Andreev.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.teavm.platform.plugin;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.teavm.dependency.AbstractDependencyListener;
import org.teavm.dependency.DependencyAgent;
import org.teavm.dependency.MethodDependency;
import org.teavm.interop.Async;
import org.teavm.interop.AsyncCallback;
import org.teavm.model.AnnotationReader;
import org.teavm.model.BasicBlock;
import org.teavm.model.ClassHolder;
import org.teavm.model.ElementModifier;
import org.teavm.model.FieldHolder;
import org.teavm.model.FieldReference;
import org.teavm.model.MethodHolder;
import org.teavm.model.MethodReader;
import org.teavm.model.MethodReference;
import org.teavm.model.Program;
import org.teavm.model.ValueType;
import org.teavm.model.Variable;
import org.teavm.model.instructions.ExitInstruction;
import org.teavm.model.instructions.GetFieldInstruction;
import org.teavm.model.instructions.InvocationType;
import org.teavm.model.instructions.InvokeInstruction;
import org.teavm.model.instructions.PutFieldInstruction;
import org.teavm.runtime.Fiber;
public class AsyncLowLevelDependencyListener extends AbstractDependencyListener {
private Set<String> generatedClassNames = new HashSet<>();
@Override
public void methodReached(DependencyAgent agent, MethodDependency method) {
if (method.getMethod() != null && method.getMethod().getAnnotations().get(Async.class.getName()) != null) {
ClassHolder cls = generateCall(method.getMethod());
if (cls != null) {
agent.submitClass(cls);
}
}
}
private ClassHolder generateCall(MethodReader method) {
ClassHolder cls = generateClassDecl(method);
if (cls == null) {
return null;
}
cls.addMethod(generateConstructor(method, cls.getName()));
cls.addMethod(generateRun(method, cls.getName()));
return cls;
}
private ClassHolder generateClassDecl(MethodReader method) {
AnnotationReader annot = method.getAnnotations().get(AsyncCallClass.class.getName());
String className = annot.getValue("value").getString();
if (!generatedClassNames.add(className)) {
return null;
}
ClassHolder cls = new ClassHolder(className);
cls.getInterfaces().add(Fiber.class.getName() + "$AsyncCall");
List<ValueType> types = new ArrayList<>();
if (!method.hasModifier(ElementModifier.STATIC)) {
types.add(ValueType.object(method.getOwnerName()));
FieldHolder field = new FieldHolder("instance");
field.setType(ValueType.object(method.getOwnerName()));
cls.addField(field);
}
ValueType[] parameterTypes = method.getParameterTypes();
for (int i = 0; i < parameterTypes.length; ++i) {
types.add(parameterTypes[i]);
FieldHolder field = new FieldHolder("param" + i);
field.setType(parameterTypes[i]);
cls.addField(field);
}
types.add(ValueType.VOID);
MethodHolder constructor = new MethodHolder("<init>", types.toArray(new ValueType[0]));
cls.addMethod(constructor);
return cls;
}
private MethodHolder generateConstructor(MethodReader method, String className) {
List<ValueType> types = new ArrayList<>();
if (!method.hasModifier(ElementModifier.STATIC)) {
types.add(ValueType.object(method.getOwnerName()));
}
Collections.addAll(types, method.getParameterTypes());
types.add(ValueType.VOID);
MethodHolder constructor = new MethodHolder("<init>", types.toArray(new ValueType[0]));
Program program = new Program();
constructor.setProgram(program);
BasicBlock block = program.createBasicBlock();
Variable instance = program.createVariable();
if (!method.hasModifier(ElementModifier.STATIC)) {
PutFieldInstruction putField = new PutFieldInstruction();
putField.setValue(program.createVariable());
putField.setField(new FieldReference(className, "instance"));
putField.setFieldType(ValueType.object(method.getOwnerName()));
putField.setInstance(instance);
block.add(putField);
}
for (int i = 0; i < method.parameterCount(); ++i) {
PutFieldInstruction putField = new PutFieldInstruction();
putField.setValue(program.createVariable());
putField.setField(new FieldReference(className, "param" + i));
putField.setFieldType(method.parameterType(i));
putField.setInstance(instance);
block.add(putField);
}
block.add(new ExitInstruction());
return constructor;
}
private MethodHolder generateRun(MethodReader method, String className) {
MethodHolder runMethod = new MethodHolder("run", ValueType.parse(AsyncCallback.class), ValueType.VOID);
Program program = new Program();
runMethod.setProgram(program);
BasicBlock block = program.createBasicBlock();
Variable instance = program.createVariable();
Variable callback = program.createVariable();
InvokeInstruction call = new InvokeInstruction();
call.setType(InvocationType.SPECIAL);
List<ValueType> types = new ArrayList<>();
ValueType[] parameterTypes = method.getParameterTypes();
List<Variable> arguments = new ArrayList<>(call.getArguments());
if (!method.hasModifier(ElementModifier.STATIC)) {
GetFieldInstruction getField = new GetFieldInstruction();
getField.setReceiver(program.createVariable());
getField.setInstance(instance);
getField.setField(new FieldReference(className, "instance"));
getField.setFieldType(ValueType.object(method.getOwnerName()));
block.add(getField);
call.setInstance(getField.getReceiver());
}
for (int i = 0; i < parameterTypes.length; ++i) {
GetFieldInstruction getField = new GetFieldInstruction();
getField.setReceiver(program.createVariable());
getField.setInstance(instance);
getField.setField(new FieldReference(className, "param" + i));
getField.setFieldType(parameterTypes[i]);
block.add(getField);
arguments.add(getField.getReceiver());
types.add(parameterTypes[i]);
}
types.add(ValueType.parse(AsyncCallback.class));
arguments.add(callback);
types.add(ValueType.VOID);
call.setMethod(new MethodReference(method.getOwnerName(), method.getName(), types.toArray(new ValueType[0])));
call.setArguments(arguments.toArray(new Variable[0]));
block.add(call);
if (method.getResultType() == ValueType.VOID) {
block.add(new ExitInstruction());
} else {
Variable result = program.createVariable();
call.setReceiver(result);
ExitInstruction exit = new ExitInstruction();
exit.setValueToReturn(castToObject(block, result, method.getResultType()));
block.add(exit);
}
return runMethod;
}
private Variable castToObject(BasicBlock block, Variable value, ValueType type) {
if (type instanceof ValueType.Primitive) {
InvokeInstruction invoke = new InvokeInstruction();
invoke.setType(InvocationType.SPECIAL);
invoke.setArguments(value);
invoke.setReceiver(block.getProgram().createVariable());
switch (((ValueType.Primitive) type).getKind()) {
case BOOLEAN:
invoke.setMethod(new MethodReference(Boolean.class, "valueOf", boolean.class, Boolean.class));
break;
case BYTE:
invoke.setMethod(new MethodReference(Byte.class, "valueOf", byte.class, Byte.class));
break;
case SHORT:
invoke.setMethod(new MethodReference(Short.class, "valueOf", short.class, Short.class));
break;
case CHARACTER:
invoke.setMethod(new MethodReference(Character.class, "valueOf", char.class, Character.class));
break;
case INTEGER:
invoke.setMethod(new MethodReference(Integer.class, "valueOf", int.class, Integer.class));
break;
case LONG:
invoke.setMethod(new MethodReference(Long.class, "valueOf", long.class, Long.class));
break;
case FLOAT:
invoke.setMethod(new MethodReference(Float.class, "valueOf", float.class, Float.class));
break;
case DOUBLE:
invoke.setMethod(new MethodReference(Double.class, "valueOf", double.class, Double.class));
break;
}
block.add(invoke);
return invoke.getReceiver();
}
return value;
}
}

2
platform/src/main/java/org/teavm/platform/plugin/AsyncMethodGenerator.java
View File

@ -24,13 +24,13 @@ import org.teavm.backend.javascript.spi.VirtualMethodContributorContext;
import org.teavm.dependency.DependencyAgent;
import org.teavm.dependency.DependencyPlugin;
import org.teavm.dependency.MethodDependency;
import org.teavm.interop.AsyncCallback;
import org.teavm.model.ClassReader;
import org.teavm.model.ElementModifier;
import org.teavm.model.MethodDescriptor;
import org.teavm.model.MethodReader;
import org.teavm.model.MethodReference;
import org.teavm.model.ValueType;
import org.teavm.platform.async.AsyncCallback;
public class AsyncMethodGenerator implements Generator, DependencyPlugin, VirtualMethodContributor {
private static final MethodDescriptor completeMethod = new MethodDescriptor("complete", Object.class, void.class);

128
platform/src/main/java/org/teavm/platform/plugin/AsyncMethodProcessor.java
View File

@ -15,8 +15,14 @@
*/
package org.teavm.platform.plugin;
import java.util.ArrayList;
import java.util.List;
import org.teavm.backend.javascript.spi.GeneratedBy;
import org.teavm.interop.Async;
import org.teavm.interop.AsyncCallback;
import org.teavm.model.AnnotationHolder;
import org.teavm.model.AnnotationValue;
import org.teavm.model.BasicBlock;
import org.teavm.model.CallLocation;
import org.teavm.model.ClassHolder;
import org.teavm.model.ClassHolderTransformer;
@ -24,12 +30,27 @@ import org.teavm.model.ClassHolderTransformerContext;
import org.teavm.model.ElementModifier;
import org.teavm.model.MethodDescriptor;
import org.teavm.model.MethodHolder;
import org.teavm.model.MethodReference;
import org.teavm.model.Program;
import org.teavm.model.ValueType;
import org.teavm.platform.async.AsyncCallback;
import org.teavm.model.Variable;
import org.teavm.model.instructions.CastInstruction;
import org.teavm.model.instructions.ConstructInstruction;
import org.teavm.model.instructions.ExitInstruction;
import org.teavm.model.instructions.InvocationType;
import org.teavm.model.instructions.InvokeInstruction;
import org.teavm.runtime.Fiber;
public class AsyncMethodProcessor implements ClassHolderTransformer {
private boolean lowLevel;
public AsyncMethodProcessor(boolean lowLevel) {
this.lowLevel = lowLevel;
}
@Override
public void transformClass(ClassHolder cls, ClassHolderTransformerContext context) {
int suffix = 0;
for (MethodHolder method : cls.getMethods()) {
if (method.hasModifier(ElementModifier.NATIVE)
&& method.getAnnotations().get(Async.class.getName()) != null
@ -50,7 +71,112 @@ public class AsyncMethodProcessor implements ClassHolderTransformer {
method.getReference(), asyncMethod.getReference());
}
}
if (lowLevel) {
generateLowLevelCall(method, suffix++);
}
}
}
}
private void generateLowLevelCall(MethodHolder method, int suffix) {
String className = method.getOwnerName() + "$" + method.getName() + "$" + suffix;
AnnotationHolder classNameAnnot = new AnnotationHolder(AsyncCallClass.class.getName());
classNameAnnot.getValues().put("value", new AnnotationValue(className));
method.getAnnotations().add(classNameAnnot);
method.getModifiers().remove(ElementModifier.NATIVE);
Program program = new Program();
method.setProgram(program);
BasicBlock block = program.createBasicBlock();
InvokeInstruction constructorInvocation = new InvokeInstruction();
constructorInvocation.setType(InvocationType.SPECIAL);
List<ValueType> signature = new ArrayList<>();
Variable instanceVar = program.createVariable();
List<Variable> arguments = new ArrayList<>(constructorInvocation.getArguments());
if (!method.hasModifier(ElementModifier.STATIC)) {
arguments.add(instanceVar);
signature.add(ValueType.object(method.getOwnerName()));
}
for (int i = 0; i < method.parameterCount(); ++i) {
arguments.add(program.createVariable());
signature.add(method.parameterType(i));
}
signature.add(ValueType.VOID);
ConstructInstruction newInstruction = new ConstructInstruction();
newInstruction.setReceiver(program.createVariable());
newInstruction.setType(className);
block.add(newInstruction);
constructorInvocation.setInstance(newInstruction.getReceiver());
constructorInvocation.setMethod(new MethodReference(className, "<init>", signature.toArray(new ValueType[0])));
constructorInvocation.setArguments(arguments.toArray(new Variable[0]));
block.add(constructorInvocation);
InvokeInstruction suspendInvocation = new InvokeInstruction();
suspendInvocation.setType(InvocationType.SPECIAL);
suspendInvocation.setMethod(new MethodReference(Fiber.class, "suspend", Fiber.AsyncCall.class, Object.class));
suspendInvocation.setArguments(newInstruction.getReceiver());
suspendInvocation.setReceiver(program.createVariable());
block.add(suspendInvocation);
Variable result = suspendInvocation.getReceiver();
ExitInstruction exitInstruction = new ExitInstruction();
ValueType returnType = method.getResultType();
if (returnType instanceof ValueType.Primitive) {
switch (((ValueType.Primitive) returnType).getKind()) {
case BOOLEAN:
result = castPrimitive(block, result, "Boolean", returnType);
break;
case BYTE:
result = castPrimitive(block, result, "Byte", returnType);
break;
case SHORT:
result = castPrimitive(block, result, "Short", returnType);
break;
case CHARACTER:
result = castPrimitive(block, result, "Char", returnType);
break;
case INTEGER:
result = castPrimitive(block, result, "Int", returnType);
break;
case FLOAT:
result = castPrimitive(block, result, "Float", returnType);
break;
case LONG:
result = castPrimitive(block, result, "Long", returnType);
break;
case DOUBLE:
result = castPrimitive(block, result, "Double", returnType);
break;
}
} else if (returnType == ValueType.VOID) {
result = null;
} else {
CastInstruction cast = new CastInstruction();
cast.setValue(result);
cast.setTargetType(returnType);
cast.setReceiver(program.createVariable());
block.add(cast);
result = cast.getReceiver();
}
exitInstruction.setValueToReturn(result);
block.add(exitInstruction);
}
private Variable castPrimitive(BasicBlock block, Variable value, String name, ValueType type) {
InvokeInstruction invoke = new InvokeInstruction();
invoke.setType(InvocationType.SPECIAL);
invoke.setMethod(new MethodReference(Fiber.class.getName(), "get" + name,
ValueType.object("java.lang.Object"), type));
invoke.setArguments(value);
invoke.setReceiver(block.getProgram().createVariable());
block.add(invoke);
return invoke.getReceiver();
}
}

8
platform/src/main/java/org/teavm/platform/plugin/PlatformPlugin.java
View File

@ -56,6 +56,7 @@ public class PlatformPlugin implements TeaVMPlugin {
return method.getAnnotations().get(Async.class.getName()) != null
? new AsyncMethodGenerator() : null;
});
host.add(new AsyncDependencyListener());
jsHost.addVirtualMethods(new AsyncMethodGenerator());
} else if (!isBootstrap()) {
host.add(new StringAmplifierTransformer());
@ -101,12 +102,15 @@ public class PlatformPlugin implements TeaVMPlugin {
}
}
host.add(new AsyncMethodProcessor());
host.add(new AsyncMethodProcessor(host.getExtension(TeaVMJavaScriptHost.class) == null));
host.add(new NewInstanceDependencySupport());
host.add(new ClassLookupDependencySupport());
host.add(new EnumDependencySupport());
host.add(new PlatformDependencyListener());
host.add(new AsyncDependencyListener());
if (host.getExtension(TeaVMJavaScriptHost.class) == null) {
host.add(new AsyncLowLevelDependencyListener());
}
TeaVMPluginUtil.handleNatives(host, Platform.class);
TeaVMPluginUtil.handleNatives(host, PlatformQueue.class);

2
tests/src/test/java/org/teavm/vm/VMTest.java
View File

@ -23,10 +23,10 @@ import java.util.function.Supplier;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.teavm.interop.Async;
import org.teavm.interop.AsyncCallback;
import org.teavm.jso.JSBody;
import org.teavm.junit.SkipJVM;
import org.teavm.junit.TeaVMTestRunner;
import org.teavm.platform.async.AsyncCallback;
@RunWith(TeaVMTestRunner.class)
public class VMTest {