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com.google.gwt.dev.Compiler Maven / Gradle / Ivy
/*
* Copyright 2008 Google Inc.
*
* 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 com.google.gwt.dev;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.linker.ArtifactSet;
import com.google.gwt.dev.CompileTaskRunner.CompileTask;
import com.google.gwt.dev.cfg.ModuleDef;
import com.google.gwt.dev.cfg.ModuleDefLoader;
import com.google.gwt.dev.javac.CompilationStateBuilder;
import com.google.gwt.dev.jjs.JJSOptions;
import com.google.gwt.dev.jjs.PermutationResult;
import com.google.gwt.dev.shell.CheckForUpdates;
import com.google.gwt.dev.shell.CheckForUpdates.UpdateResult;
import com.google.gwt.dev.util.FileBackedObject;
import com.google.gwt.dev.util.Memory;
import com.google.gwt.dev.util.Util;
import com.google.gwt.dev.util.arg.ArgHandlerDeployDir;
import com.google.gwt.dev.util.arg.ArgHandlerExtraDir;
import com.google.gwt.dev.util.arg.ArgHandlerLocalWorkers;
import com.google.gwt.dev.util.arg.ArgHandlerSaveSourceOutput;
import com.google.gwt.dev.util.arg.ArgHandlerWarDir;
import com.google.gwt.dev.util.arg.ArgHandlerWorkDirOptional;
import com.google.gwt.dev.util.log.speedtracer.CompilerEventType;
import com.google.gwt.dev.util.log.speedtracer.SpeedTracerLogger;
import com.google.gwt.dev.util.log.speedtracer.SpeedTracerLogger.Event;
import com.google.gwt.util.tools.Utility;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.FutureTask;
/**
* The main executable entry point for the GWT Java to JavaScript compiler.
*/
public class Compiler {
static class ArgProcessor extends PrecompileTaskArgProcessor {
public ArgProcessor(CompilerOptions options) {
super(options);
registerHandler(new ArgHandlerLocalWorkers(options));
// Override the ArgHandlerWorkDirRequired in the super class.
registerHandler(new ArgHandlerWorkDirOptional(options));
registerHandler(new ArgHandlerWarDir(options));
registerHandler(new ArgHandlerDeployDir(options));
registerHandler(new ArgHandlerExtraDir(options));
registerHandler(new ArgHandlerSaveSourceOutput(options));
}
@Override
protected String getName() {
return Compiler.class.getName();
}
}
public static void main(String[] args) {
Memory.initialize();
if (System.getProperty("gwt.jjs.dumpAst") != null) {
System.out.println("Will dump AST to: "
+ System.getProperty("gwt.jjs.dumpAst"));
}
SpeedTracerLogger.init();
/*
* NOTE: main always exits with a call to System.exit to terminate any
* non-daemon threads that were started in Generators. Typically, this is to
* shutdown AWT related threads, since the contract for their termination is
* still implementation-dependent.
*/
final CompilerOptions options = new CompilerOptionsImpl();
if (new ArgProcessor(options).processArgs(args)) {
CompileTask task = new CompileTask() {
@Override
public boolean run(TreeLogger logger) throws UnableToCompleteException {
FutureTask updater = null;
if (!options.isUpdateCheckDisabled()) {
updater = CheckForUpdates.checkForUpdatesInBackgroundThread(logger,
CheckForUpdates.ONE_DAY);
}
boolean success = new Compiler(options).run(logger);
if (success) {
CheckForUpdates.logUpdateAvailable(logger, updater);
}
return success;
}
};
if (CompileTaskRunner.runWithAppropriateLogger(options, task)) {
// Exit w/ success code.
System.exit(0);
}
}
// Exit w/ non-success code.
System.exit(1);
}
private final CompilerContext.Builder compilerContextBuilder;
private CompilerContext compilerContext;
private final CompilerOptionsImpl options;
public Compiler(CompilerOptions compilerOptions) {
this.options = new CompilerOptionsImpl(compilerOptions);
this.compilerContextBuilder = new CompilerContext.Builder();
this.compilerContext = compilerContextBuilder.options(options).build();
}
public boolean run(TreeLogger logger) throws UnableToCompleteException {
ModuleDef[] modules = new ModuleDef[options.getModuleNames().size()];
int i = 0;
for (String moduleName : options.getModuleNames()) {
modules[i++] =
ModuleDefLoader.loadFromClassPath(logger, compilerContext, moduleName, true, true);
}
return run(logger, modules);
}
public boolean run(TreeLogger logger, ModuleDef... modules)
throws UnableToCompleteException {
boolean tempWorkDir = false;
try {
if (options.getWorkDir() == null) {
options.setWorkDir(Utility.makeTemporaryDirectory(null, "gwtc"));
tempWorkDir = true;
}
if (options.isSoycEnabled() && options.getExtraDir() == null) {
options.setExtraDir(new File("extras"));
}
File persistentUnitCacheDir = null;
if (options.getWarDir() != null && !options.getWarDir().getName().endsWith(".jar")) {
persistentUnitCacheDir = new File(options.getWarDir(), "../");
}
CompilationStateBuilder.init(logger, persistentUnitCacheDir);
for (ModuleDef module : modules) {
compilerContext = compilerContextBuilder.module(module).build();
String moduleName = module.getCanonicalName();
if (options.isValidateOnly()) {
if (!Precompile.validate(logger, compilerContext)) {
return false;
}
} else {
long compileStart = System.currentTimeMillis();
TreeLogger branch = logger.branch(TreeLogger.INFO,
"Compiling module " + moduleName);
// Optimize early since permutation compiles will run in process.
options.setOptimizePrecompile(true);
Precompilation precompilation = Precompile.precompile(branch, compilerContext);
if (precompilation == null) {
return false;
}
// TODO: move to precompile() after params are refactored
if (!options.shouldSaveSource()) {
precompilation.removeSourceArtifacts(logger);
}
Event compilePermutationsEvent = SpeedTracerLogger.start(CompilerEventType.COMPILE_PERMUTATIONS);
Permutation[] allPerms = precompilation.getPermutations();
List> resultFiles =
CompilePerms.makeResultFiles(options.getCompilerWorkDir(moduleName), allPerms);
CompilePerms.compile(branch, compilerContext, precompilation, allPerms,
options.getLocalWorkers(), resultFiles);
compilePermutationsEvent.end();
ArtifactSet generatedArtifacts = precompilation.getGeneratedArtifacts();
JJSOptions precompileOptions = precompilation.getUnifiedAst().getOptions();
precompilation = null; // No longer needed, so save the memory
Event linkEvent = SpeedTracerLogger.start(CompilerEventType.LINK);
File absPath = new File(options.getWarDir(), module.getName());
absPath = absPath.getAbsoluteFile();
String logMessage = "Linking into " + absPath;
if (options.getExtraDir() != null) {
File absExtrasPath = new File(options.getExtraDir(),
module.getName());
absExtrasPath = absExtrasPath.getAbsoluteFile();
logMessage += "; Writing extras to " + absExtrasPath;
}
Link.link(logger.branch(TreeLogger.TRACE, logMessage), module, generatedArtifacts,
allPerms, resultFiles, precompileOptions, options);
linkEvent.end();
long compileDone = System.currentTimeMillis();
long delta = compileDone - compileStart;
if (branch.isLoggable(TreeLogger.INFO)) {
branch.log(TreeLogger.INFO, "Compilation succeeded -- "
+ String.format("%.3f", delta / 1000d) + "s");
}
}
}
} catch (IOException e) {
logger.log(TreeLogger.ERROR, "Unable to create compiler work directory",
e);
return false;
} finally {
if (tempWorkDir) {
Util.recursiveDelete(options.getWorkDir(), false);
}
}
return true;
}
}
