/*
* Copyright 2003-2017 JetBrains s.r.o.
*
* 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 jetbrains.mps.generator.impl;
import jetbrains.mps.generator.GenerationCanceledException;
import jetbrains.mps.generator.GenerationOptions;
import jetbrains.mps.generator.GenerationStatus;
import jetbrains.mps.generator.GenerationTrace;
import jetbrains.mps.generator.GeneratorTask;
import jetbrains.mps.generator.GeneratorTaskListener;
import jetbrains.mps.generator.TransientModelsModule;
import jetbrains.mps.generator.impl.IGenerationTaskPool.ITaskPoolProvider;
import jetbrains.mps.generator.impl.IGenerationTaskPool.SimpleGenerationTaskPool;
import jetbrains.mps.typesystem.inference.TypeChecker;
import jetbrains.mps.util.performance.IPerformanceTracer;
import jetbrains.mps.util.performance.IPerformanceTracer.NullPerformanceTracer;
import jetbrains.mps.util.performance.PerformanceTracer;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModel;
import org.jetbrains.mps.openapi.module.SModule;
import org.jetbrains.mps.openapi.util.ProgressMonitor;
import org.jetbrains.mps.openapi.util.SubProgressKind;
import java.util.List;
public class GenerationController implements ITaskPoolProvider {
private final List<? extends GeneratorTask> myTasks;
private final GenControllerContext myContext;
private final GeneratorTaskListener<GeneratorTask> myGenerationHandler;
private final GeneratorLoggerAdapter myLogger;
private final GenerationOptions myOptions;
private IGenerationTaskPool myParallelTaskPool;
public GenerationController(List<? extends GeneratorTask> tasks, @NotNull GenControllerContext context,
GeneratorTaskListener<GeneratorTask> generationHandler, GeneratorLoggerAdapter generatorLogger) {
myTasks = tasks;
myContext = context;
myGenerationHandler = generationHandler;
myLogger = generatorLogger;
myOptions = context.getOptions();
}
/**
* @return <code>true</code> to indicate generation success (what does constitute a success is, alas, undefined)
*/
public boolean generate(ProgressMonitor monitor) {
long startJobTime = System.currentTimeMillis();
try {
boolean generationOK = true;
monitor.start("", myTasks.size());
try {
for (GeneratorTask t : myTasks) {
checkMonitorCanceled(monitor);
boolean result = generateModel(t, monitor.subTask(1, SubProgressKind.REPLACING));
generationOK = generationOK && result;
}
} finally {
if (myParallelTaskPool != null) {
myParallelTaskPool.dispose();
myParallelTaskPool = null;
}
}
if (generationOK) {
if (myLogger.needsInfo()) {
myLogger.info("generation completed successfully in " + (System.currentTimeMillis() - startJobTime) + " ms");
}
monitor.advance(0);
} else {
myLogger.error("generation completed with errors in " + (System.currentTimeMillis() - startJobTime) + " ms");
}
return generationOK;
} catch (GenerationCanceledException gce) {
myLogger.warning("generation canceled");
return false;
} catch (Exception t) {
myLogger.handleException(t);
return false;
} catch (AssertionError e) {
myLogger.handleException(e);
throw e;
} finally {
monitor.done();
}
}
private boolean generateModel(final GeneratorTask task, final ProgressMonitor monitor) throws GenerationCanceledException {
final SModel inputModel = task.getModel();
SModule module = inputModel.getModule();
if (module == null) {
myLogger.warning(String.format("Model %s won't be generated as its module is unknown", inputModel.getName()));
monitor.done();
return false;
}
boolean currentGenerationOK = false;
IPerformanceTracer ttrace = myOptions.getTracingMode() != GenerationOptions.TRACE_OFF
? new PerformanceTracer("model " + inputModel.getName().getSimpleName())
: new NullPerformanceTracer();
boolean traceTypes = myOptions.getTracingMode() == GenerationOptions.TRACE_TYPES;
TypeChecker.getInstance().generationStarted(traceTypes ? ttrace : null);
final TransientModelsModule transientModule = myContext.getTransientModelProvider().getModule(task);
final GenerationTrace genTrace = myOptions.isSaveTransientModels() ? new GenTraceImpl(transientModule) : new GenerationTrace.NoOp();
final GenerationSession generationSession = new GenerationSession(inputModel, myContext, this, myLogger, transientModule, ttrace, genTrace);
monitor.start(inputModel.getName().getValue(), 10);
try {
generationSession.getLoggingHandler().register();
if (myLogger.needsInfo()) {
myLogger.info("");
myLogger.info("[model " + inputModel.getName() + (myOptions.isRebuildAll() ? ", rebuilding" : "") +
(myOptions.isGenerateInParallel() ? ", using " + myOptions.getNumberOfThreads() + " threads]" : "]"));
}
myGenerationHandler.start(task);
GenerationStatus status = generationSession.generateModel(monitor.subTask(9));
monitor.advance(0);
status.setOriginalInputModel(inputModel);
currentGenerationOK = status.isOk();
checkMonitorCanceled(monitor);
if (myOptions.isSaveTransientModels()) {
transientModule.publishTrace(inputModel.getReference(), genTrace);
}
myGenerationHandler.done(task, status);
monitor.advance(1);
} finally {
generationSession.getLoggingHandler().unregister();
generationSession.discardTransients();
monitor.done();
//We need this in order to clear subtyping cache which might occupy too much memory
//if we generate a lot of models. For example, Charisma generation wasn't possible
//with -Xmx1200 before this change
TypeChecker.getInstance().generationFinished();
}
String report = ttrace.report();
if (report != null) {
myLogger.trace(report);
}
return currentGenerationOK;
}
@Override
public IGenerationTaskPool getTaskPool() {
// not too much sense to abstract away ITaskPoolProvider if we have distinct ParallelTemplateGenerator.
// either shall merge PTG with TG and use ITaskPoolProvider, or drop SimpleGenerationTaskPool which is dead code otherwise.
if (myParallelTaskPool == null) {
myParallelTaskPool = myOptions.isGenerateInParallel()
? new GenerationTaskPool(myOptions.getNumberOfThreads())
: new SimpleGenerationTaskPool(myContext.getRepository().getModelAccess());
}
return myParallelTaskPool;
}
protected void checkMonitorCanceled(ProgressMonitor monitor) throws GenerationCanceledException {
if (monitor.isCanceled()) throw new GenerationCanceledException();
}
}