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Allow specifying additional decompilers for generating sources (#213) 

* decompilers

* cleanup

* oops

* weird import

* public

* public 2 electric boogalo

* move over fabric specific

* ok

* move to api package
dev/0.11
Fudge 2020-06-01 21:31:32 +03:00 committed by GitHub
parent 2baf39ad1c
commit 4bf3d5aebe
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 309 additions and 298 deletions
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11
src/main/java/net/fabricmc/loom/LoomGradleExtension.java
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@ -45,6 +45,7 @@ import org.gradle.api.artifacts.Configuration;
import org.gradle.api.artifacts.Dependency;
import org.gradle.api.plugins.BasePluginConvention;
import net.fabricmc.loom.api.decompilers.LoomDecompiler;
import net.fabricmc.loom.processors.JarProcessorManager;
import net.fabricmc.loom.providers.MappingsProvider;
import net.fabricmc.loom.providers.MinecraftMappedProvider;
@ -63,6 +64,8 @@ public class LoomGradleExtension {
private List<Path> unmappedModsBuilt = new ArrayList<>();
final List<LoomDecompiler> decompilers = new ArrayList<>();
//Not to be set in the build.gradle
private Project project;
private LoomDependencyManager dependencyManager;
@ -71,6 +74,14 @@ public class LoomGradleExtension {
private MappingSet[] srcMappingCache = new MappingSet[2];
private Mercury[] srcMercuryCache = new Mercury[2];
/**
* Loom will generate a new genSources task (with a new name, based off of {@link LoomDecompiler#name()})
* that uses the specified decompiler instead.
*/
public void addDecompiler(LoomDecompiler decompiler) {
decompilers.add(decompiler);
}
public MappingSet getOrCreateSrcMappingCache(int id, Supplier<MappingSet> factory) {
return srcMappingCache[id] != null ? srcMappingCache[id] : (srcMappingCache[id] = factory.get());
}

79
src/main/java/net/fabricmc/loom/LoomGradlePlugin.java
View File

@ -25,18 +25,14 @@
package net.fabricmc.loom;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Locale;
import org.gradle.api.Project;
import org.gradle.api.Task;
import org.gradle.api.tasks.TaskContainer;
import net.fabricmc.loom.api.decompilers.LoomDecompiler;
import net.fabricmc.loom.decompilers.fernflower.FabricFernFlowerDecompiler;
import net.fabricmc.loom.providers.MappingsProvider;
import net.fabricmc.loom.providers.MinecraftLibraryProvider;
import net.fabricmc.loom.task.AbstractDecompileTask;
import net.fabricmc.loom.task.CleanEclipseRunsTask;
import net.fabricmc.loom.task.CleanLoomBinaries;
import net.fabricmc.loom.task.CleanLoomMappings;
@ -44,13 +40,12 @@ import net.fabricmc.loom.task.DownloadAssetsTask;
import net.fabricmc.loom.task.GenEclipseRunsTask;
import net.fabricmc.loom.task.GenIdeaProjectTask;
import net.fabricmc.loom.task.GenVsCodeProjectTask;
import net.fabricmc.loom.task.GenerateSourcesTask;
import net.fabricmc.loom.task.MigrateMappingsTask;
import net.fabricmc.loom.task.RemapJarTask;
import net.fabricmc.loom.task.RemapLineNumbersTask;
import net.fabricmc.loom.task.RemapSourcesJarTask;
import net.fabricmc.loom.task.RunClientTask;
import net.fabricmc.loom.task.RunServerTask;
import net.fabricmc.loom.task.fernflower.FernFlowerTask;
public class LoomGradlePlugin extends AbstractPlugin {
public static File getMappedByproduct(Project project, String suffix) {
@ -92,63 +87,6 @@ public class LoomGradlePlugin extends AbstractPlugin {
t.setGroup("fabric");
});
tasks.register("genSourcesDecompile", FernFlowerTask.class, t -> {
t.setDescription("Decompiles sources for the genSources task.");
t.getOutputs().upToDateWhen((o) -> false);
});
tasks.register("genSourcesRemapLineNumbers", RemapLineNumbersTask.class, t -> {
t.setDescription("Remaps line numbers for the genSources task.");
t.getOutputs().upToDateWhen((o) -> false);
});
tasks.register("genSources", t -> {
t.setDescription("Generates a human-readable version of the Minecraft source.");
t.getOutputs().upToDateWhen((o) -> false);
t.setGroup("fabric");
});
project.afterEvaluate((p) -> {
AbstractDecompileTask decompileTask = (AbstractDecompileTask) p.getTasks().getByName("genSourcesDecompile");
RemapLineNumbersTask remapLineNumbersTask = (RemapLineNumbersTask) p.getTasks().getByName("genSourcesRemapLineNumbers");
Task genSourcesTask = p.getTasks().getByName("genSources");
genSourcesTask.dependsOn(remapLineNumbersTask);
remapLineNumbersTask.dependsOn(decompileTask);
Project project = this.getProject();
LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
MinecraftLibraryProvider libraryProvider = extension.getMinecraftProvider().getLibraryProvider();
MappingsProvider mappingsProvider = extension.getMappingsProvider();
File mappedJar = mappingsProvider.mappedProvider.getMappedJar();
File linemappedJar = getMappedByproduct(project, "-linemapped.jar");
File sourcesJar = getMappedByproduct(project, "-sources.jar");
File linemapFile = getMappedByproduct(project, "-sources.lmap");
decompileTask.setInput(mappedJar);
decompileTask.setOutput(sourcesJar);
decompileTask.setLineMapFile(linemapFile);
decompileTask.setLibraries(libraryProvider.getLibraries());
remapLineNumbersTask.setInput(mappedJar);
remapLineNumbersTask.setLineMapFile(linemapFile);
remapLineNumbersTask.setOutput(linemappedJar);
Path mappedJarPath = mappedJar.toPath();
Path linemappedJarPath = linemappedJar.toPath();
genSourcesTask.doLast((tt) -> {
if (Files.exists(linemappedJarPath)) {
try {
Files.deleteIfExists(mappedJarPath);
Files.copy(linemappedJarPath, mappedJarPath);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
});
});
tasks.register("downloadAssets", DownloadAssetsTask.class, t -> t.setDescription("Downloads required assets for Fabric."));
tasks.register("genIdeaWorkspace", GenIdeaProjectTask.class, t -> {
@ -187,5 +125,16 @@ public class LoomGradlePlugin extends AbstractPlugin {
t.dependsOn("jar");
t.setGroup("fabric");
});
LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
extension.addDecompiler(new FabricFernFlowerDecompiler(project));
project.afterEvaluate((p) -> {
for (LoomDecompiler decompiler : extension.decompilers) {
String taskName = (decompiler instanceof FabricFernFlowerDecompiler) ? "genSources" : "genSourcesWith" + decompiler.name();
// decompiler will be passed to the constructor of GenerateSourcesTask
tasks.register(taskName, GenerateSourcesTask.class, decompiler);
}
});
}
}

55
src/main/java/net/fabricmc/loom/task/AbstractDecompileTask.java → src/main/java/net/fabricmc/loom/api/decompilers/DecompilationMetadata.java
View File

@ -22,54 +22,19 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task;
package net.fabricmc.loom.api.decompilers;
import java.io.File;
import java.nio.file.Path;
import java.util.Collection;
import org.gradle.api.file.FileCollection;
import org.gradle.api.tasks.InputFile;
import org.gradle.api.tasks.InputFiles;
import org.gradle.api.tasks.OutputFile;
public class DecompilationMetadata {
public final int numberOfThreads;
public final Path javaDocs;
public final Collection<Path> libraries;
public abstract class AbstractDecompileTask extends AbstractLoomTask {
private Object input;
private Object output;
private Object lineMapFile;
private Object libraries;
@InputFile
public File getInput() {
return getProject().file(input);
}
@OutputFile
public File getOutput() {
return getProject().file(output);
}
@OutputFile
public File getLineMapFile() {
return getProject().file(lineMapFile);
}
@InputFiles
public FileCollection getLibraries() {
return getProject().files(libraries);
}
public void setInput(Object input) {
this.input = input;
}
public void setOutput(Object output) {
this.output = output;
}
public void setLineMapFile(Object lineMapFile) {
this.lineMapFile = lineMapFile;
}
public void setLibraries(Object libraries) {
public DecompilationMetadata(int numberOfThreads, Path javaDocs, Collection<Path> libraries) {
this.numberOfThreads = numberOfThreads;
this.javaDocs = javaDocs;
this.libraries = libraries;
}
}

40
src/main/java/net/fabricmc/loom/api/decompilers/LoomDecompiler.java Normal file
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@ -0,0 +1,40 @@
/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.fabricmc.loom.api.decompilers;
import java.nio.file.Path;
public interface LoomDecompiler {
String name();
/**
* @param sourcesDestination Decompiled sources jar
* @param linemapDestination A byproduct of decompilation that lines up the compiled jar's line numbers with the decompiled
* sources jar for debugging.
* A decompiler may not produce a linemap at all.
* @param metaData Additional information that may or may not be needed while decompiling
*/
void decompile(Path compiledJar, Path sourcesDestination, Path linemapDestination, DecompilationMetadata metaData);
}

90
src/main/java/net/fabricmc/loom/task/fernflower/FernFlowerTask.java → src/main/java/net/fabricmc/loom/decompilers/fernflower/AbstractFernFlowerDecompiler.java
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@ -22,10 +22,11 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task.fernflower;
package net.fabricmc.loom.decompilers.fernflower;
import static java.text.MessageFormat.format;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
@ -33,58 +34,59 @@ import java.util.Map;
import java.util.Stack;
import java.util.function.Supplier;
import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
import org.gradle.api.Project;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.api.logging.LogLevel;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.TaskAction;
import org.gradle.internal.logging.progress.ProgressLogger;
import org.gradle.internal.logging.progress.ProgressLoggerFactory;
import org.gradle.internal.service.ServiceRegistry;
import org.gradle.process.ExecResult;
import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
import net.fabricmc.loom.task.AbstractDecompileTask;
import net.fabricmc.loom.task.ForkingJavaExecTask;
import net.fabricmc.loom.api.decompilers.DecompilationMetadata;
import net.fabricmc.loom.api.decompilers.LoomDecompiler;
import net.fabricmc.loom.util.ConsumingOutputStream;
import net.fabricmc.loom.util.OperatingSystem;
/**
* Created by covers1624 on 9/02/19.
*/
public class FernFlowerTask extends AbstractDecompileTask implements ForkingJavaExecTask {
private boolean noFork = false;
private int numThreads = Runtime.getRuntime().availableProcessors();
public abstract class AbstractFernFlowerDecompiler implements LoomDecompiler {
private final Project project;
@TaskAction
public void doTask() throws Throwable {
if (!OperatingSystem.is64Bit()) {
throw new UnsupportedOperationException("FernFlowerTask requires a 64bit JVM to run due to the memory requirements");
protected AbstractFernFlowerDecompiler(Project project) {
this.project = project;
}
Map<String, Object> options = new HashMap<>();
options.put(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES, "1");
options.put(IFernflowerPreferences.BYTECODE_SOURCE_MAPPING, "1");
options.put(IFernflowerPreferences.REMOVE_SYNTHETIC, "1");
options.put(IFernflowerPreferences.LOG_LEVEL, "trace");
options.put(IFernflowerPreferences.THREADS, getNumThreads());
getLogging().captureStandardOutput(LogLevel.LIFECYCLE);
public abstract Class<? extends AbstractForkedFFExecutor> fernFlowerExecutor();
@Override
public void decompile(Path compiledJar, Path sourcesDestination, Path linemapDestination, DecompilationMetadata metaData) {
if (!OperatingSystem.is64Bit()) {
throw new UnsupportedOperationException("FernFlower decompiler requires a 64bit JVM to run due to the memory requirements");
}
project.getLogging().captureStandardOutput(LogLevel.LIFECYCLE);
Map<String, Object> options = new HashMap<String, Object>() {{
put(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES, "1");
put(IFernflowerPreferences.BYTECODE_SOURCE_MAPPING, "1");
put(IFernflowerPreferences.REMOVE_SYNTHETIC, "1");
put(IFernflowerPreferences.LOG_LEVEL, "trace");
put(IFernflowerPreferences.THREADS, metaData.numberOfThreads);
}};
List<String> args = new ArrayList<>();
options.forEach((k, v) -> args.add(format("-{0}={1}", k, v)));
args.add(getInput().getAbsolutePath());
args.add("-o=" + getOutput().getAbsolutePath());
if (getLineMapFile() != null) {
args.add("-l=" + getLineMapFile().getAbsolutePath());
}
args.add("-m=" + getExtension().getMappingsProvider().tinyMappings.getAbsolutePath());
args.add(absolutePathOf(compiledJar));
args.add("-o=" + absolutePathOf(sourcesDestination));
args.add("-l=" + absolutePathOf(linemapDestination));
args.add("-m=" + absolutePathOf(metaData.javaDocs));
//TODO, Decompiler breaks on jemalloc, J9 module-info.class?
getLibraries().forEach(f -> args.add("-e=" + f.getAbsolutePath()));
for (Path library : metaData.libraries) {
args.add("-e=" + absolutePathOf(library));
}
ServiceRegistry registry = ((ProjectInternal) getProject()).getServices();
ServiceRegistry registry = ((ProjectInternal) project).getServices();
ProgressLoggerFactory factory = registry.get(ProgressLoggerFactory.class);
ProgressLogger progressGroup = factory.newOperation(getClass()).setDescription("Decompile");
Supplier<ProgressLogger> loggerFactory = () -> {
@ -97,8 +99,8 @@ public class FernFlowerTask extends AbstractDecompileTask implements ForkingJava
Map<String, ProgressLogger> inUseLoggers = new HashMap<>();
progressGroup.started();
ExecResult result = javaexec(spec -> {
spec.setMain(ForkedFFExecutor.class.getName());
ExecResult result = ForkingJavaExec.javaexec(project, spec -> {
spec.setMain(fernFlowerExecutor().getName());
spec.jvmArgs("-Xms200m", "-Xmx3G");
spec.setArgs(args);
spec.setErrorOutput(System.err);
@ -145,21 +147,7 @@ public class FernFlowerTask extends AbstractDecompileTask implements ForkingJava
result.assertNormalExitValue();
}
@Input
public int getNumThreads() {
return numThreads;
}
@Input
public boolean isNoFork() {
return noFork;
}
public void setNoFork(boolean noFork) {
this.noFork = noFork;
}
public void setNumThreads(int numThreads) {
this.numThreads = numThreads;
private static String absolutePathOf(Path path) {
return path.toAbsolutePath().toString();
}
}

32
src/main/java/net/fabricmc/loom/task/fernflower/ForkedFFExecutor.java → src/main/java/net/fabricmc/loom/decompilers/fernflower/AbstractForkedFFExecutor.java
View File

@ -22,31 +22,27 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task.fernflower;
package net.fabricmc.loom.decompilers.fernflower;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import org.jetbrains.java.decompiler.main.Fernflower;
import org.jetbrains.java.decompiler.main.extern.IFernflowerLogger;
import org.jetbrains.java.decompiler.main.extern.IResultSaver;
import net.fabricmc.fernflower.api.IFabricJavadocProvider;
/**
* Entry point for Forked FernFlower task.
* Takes one parameter, a single file, each line is treated as command line input.
* Forces one input file.
* Forces one output file using '-o=/path/to/output'
* Created by covers1624 on 11/02/19.
* <p>Extending classes MUST have a standard "public static void main(args)".
* They may then call AbstractForkedFFExecutor#decompile for it to use the overridden AbstractForkedFFExecutor#runFF
* </p>
*/
public class ForkedFFExecutor {
public static void main(String[] args) throws IOException {
public abstract class AbstractForkedFFExecutor {
public static void decompile(String[] args, AbstractForkedFFExecutor ffExecutor) {
Map<String, Object> options = new HashMap<>();
File input = null;
File output = null;
@ -104,20 +100,8 @@ public class ForkedFFExecutor {
Objects.requireNonNull(output, "Output not set.");
Objects.requireNonNull(mappings, "Mappings not set.");
options.put(IFabricJavadocProvider.PROPERTY_NAME, new TinyJavadocProvider(mappings));
runFF(options, libraries, input, output, lineMap);
ffExecutor.runFF(options, libraries, input, output, lineMap, mappings);
}
public static void runFF(Map<String, Object> options, List<File> libraries, File input, File output, File lineMap) {
IResultSaver saver = new ThreadSafeResultSaver(() -> output, () -> lineMap);
IFernflowerLogger logger = new ThreadIDFFLogger();
Fernflower ff = new Fernflower(FernFlowerUtils::getBytecode, saver, options, logger);
for (File library : libraries) {
ff.addLibrary(library);
}
ff.addSource(input);
ff.decompileContext();
}
public abstract void runFF(Map<String, Object> options, List<File> libraries, File input, File output, File lineMap, File mappings);
}

24
src/main/java/net/fabricmc/loom/task/fernflower/NoopFFLogger.java → src/main/java/net/fabricmc/loom/decompilers/fernflower/FabricFernFlowerDecompiler.java
View File

@ -22,18 +22,22 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task.fernflower;
package net.fabricmc.loom.decompilers.fernflower;
import org.jetbrains.java.decompiler.main.extern.IFernflowerLogger;
import org.gradle.api.Project;
/**
* Literally does nothing.
* Created by covers1624 on 11/02/19.
*/
public class NoopFFLogger extends IFernflowerLogger {
@Override
public void writeMessage(String message, Severity severity) { }
public class FabricFernFlowerDecompiler extends AbstractFernFlowerDecompiler {
public FabricFernFlowerDecompiler(Project project) {
super(project);
}
@Override
public void writeMessage(String message, Severity severity, Throwable t) { }
public String name() {
return "FabricFlower"; // Or something else?
}
@Override
public Class<? extends AbstractForkedFFExecutor> fernFlowerExecutor() {
return FabricForkedFFExecutor.class;
}
}

57
src/main/java/net/fabricmc/loom/decompilers/fernflower/FabricForkedFFExecutor.java Normal file
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@ -0,0 +1,57 @@
/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.fabricmc.loom.decompilers.fernflower;
import java.io.File;
import java.util.List;
import java.util.Map;
import org.jetbrains.java.decompiler.main.Fernflower;
import org.jetbrains.java.decompiler.main.extern.IFernflowerLogger;
import org.jetbrains.java.decompiler.main.extern.IResultSaver;
import net.fabricmc.fernflower.api.IFabricJavadocProvider;
public class FabricForkedFFExecutor extends AbstractForkedFFExecutor {
public static void main(String[] args) {
AbstractForkedFFExecutor.decompile(args, new FabricForkedFFExecutor());
}
@Override
public void runFF(Map<String, Object> options, List<File> libraries, File input, File output, File lineMap, File mappings) {
options.put(IFabricJavadocProvider.PROPERTY_NAME, new TinyJavadocProvider(mappings));
IResultSaver saver = new ThreadSafeResultSaver(() -> output, () -> lineMap);
IFernflowerLogger logger = new ThreadIDFFLogger();
Fernflower ff = new Fernflower(FernFlowerUtils::getBytecode, saver, options, logger);
for (File library : libraries) {
ff.addLibrary(library);
}
ff.addSource(input);
ff.decompileContext();
}
}

2
src/main/java/net/fabricmc/loom/task/fernflower/FernFlowerUtils.java → src/main/java/net/fabricmc/loom/decompilers/fernflower/FernFlowerUtils.java
View File

@ -22,7 +22,7 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task.fernflower;
package net.fabricmc.loom.decompilers.fernflower;
import java.io.File;
import java.io.IOException;

16
src/main/java/net/fabricmc/loom/task/ForkingJavaExecTask.java → src/main/java/net/fabricmc/loom/decompilers/fernflower/ForkingJavaExec.java
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@ -22,10 +22,10 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task;
package net.fabricmc.loom.decompilers.fernflower;
import org.gradle.api.Action;
import org.gradle.api.Task;
import org.gradle.api.Project;
import org.gradle.api.artifacts.ConfigurationContainer;
import org.gradle.api.artifacts.dsl.DependencyHandler;
import org.gradle.api.file.FileCollection;
@ -33,19 +33,19 @@ import org.gradle.process.ExecResult;
import org.gradle.process.JavaExecSpec;
/**
* Simple trait like interface for a Task that wishes to execute a java process
* Simple utility class for a Task that wishes to execute a java process
* with the classpath of the gradle plugin plus groovy.
*
* <p>Created by covers1624 on 11/02/19.
*/
public interface ForkingJavaExecTask extends Task {
default ExecResult javaexec(Action<? super JavaExecSpec> action) {
ConfigurationContainer configurations = getProject().getBuildscript().getConfigurations();
DependencyHandler handler = getProject().getDependencies();
public class ForkingJavaExec {
public static ExecResult javaexec(Project project, Action<? super JavaExecSpec> action) {
ConfigurationContainer configurations = project.getBuildscript().getConfigurations();
DependencyHandler handler = project.getDependencies();
FileCollection classpath = configurations.getByName("classpath")//
.plus(configurations.detachedConfiguration(handler.localGroovy()));
return getProject().javaexec(spec -> {
return project.javaexec(spec -> {
spec.classpath(classpath);
action.execute(spec);
});

2
src/main/java/net/fabricmc/loom/task/fernflower/ThreadIDFFLogger.java → src/main/java/net/fabricmc/loom/decompilers/fernflower/ThreadIDFFLogger.java
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@ -22,7 +22,7 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task.fernflower;
package net.fabricmc.loom.decompilers.fernflower;
import java.io.PrintStream;
import java.text.MessageFormat;

2
src/main/java/net/fabricmc/loom/task/fernflower/ThreadSafeResultSaver.java → src/main/java/net/fabricmc/loom/decompilers/fernflower/ThreadSafeResultSaver.java
View File

@ -22,7 +22,7 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task.fernflower;
package net.fabricmc.loom.decompilers.fernflower;
import java.io.File;
import java.io.FileOutputStream;

2
src/main/java/net/fabricmc/loom/task/fernflower/TinyJavadocProvider.java → src/main/java/net/fabricmc/loom/decompilers/fernflower/TinyJavadocProvider.java
View File

@ -22,7 +22,7 @@
* SOFTWARE.
*/
package net.fabricmc.loom.task.fernflower;
package net.fabricmc.loom.decompilers.fernflower;
import java.io.BufferedReader;
import java.io.File;

104
src/main/java/net/fabricmc/loom/task/GenerateSourcesTask.java Normal file
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@ -0,0 +1,104 @@
/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.fabricmc.loom.task;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.Collection;
import java.util.stream.Collectors;
import javax.inject.Inject;
import org.gradle.api.tasks.TaskAction;
import net.fabricmc.loom.LoomGradlePlugin;
import net.fabricmc.loom.api.decompilers.DecompilationMetadata;
import net.fabricmc.loom.api.decompilers.LoomDecompiler;
import net.fabricmc.loom.util.LineNumberRemapper;
import net.fabricmc.loom.util.progress.ProgressLogger;
import net.fabricmc.stitch.util.StitchUtil;
public class GenerateSourcesTask extends AbstractLoomTask {
public final LoomDecompiler decompiler;
@Inject
public GenerateSourcesTask(LoomDecompiler decompiler) {
this.decompiler = decompiler;
setGroup("fabric");
getOutputs().upToDateWhen((o) -> false);
}
@TaskAction
public void doTask() throws Throwable {
int threads = Runtime.getRuntime().availableProcessors();
Path javaDocs = getExtension().getMappingsProvider().tinyMappings.toPath();
Collection<Path> libraries = getExtension().getMinecraftProvider().getLibraryProvider().getLibraries()
.stream().map(File::toPath).collect(Collectors.toSet());
DecompilationMetadata metadata = new DecompilationMetadata(threads, javaDocs, libraries);
Path compiledJar = getExtension().getMappingsProvider().mappedProvider.getMappedJar().toPath();
Path sourcesDestination = LoomGradlePlugin.getMappedByproduct(getProject(), "-sources.jar").toPath();
Path linemap = LoomGradlePlugin.getMappedByproduct(getProject(), "-sources.lmap").toPath();
decompiler.decompile(compiledJar, sourcesDestination, linemap, metadata);
if (Files.exists(linemap)) {
Path linemappedJarDestination = LoomGradlePlugin.getMappedByproduct(getProject(), "-linemapped.jar").toPath();
remapLineNumbers(compiledJar, linemap, linemappedJarDestination);
// In order for IDEs to recognize the new line mappings, we need to overwrite the existing compiled jar
// with the linemapped one. In the name of not destroying the existing jar, we will copy it to somewhere else.
Path unlinemappedJar = LoomGradlePlugin.getMappedByproduct(getProject(), "-unlinemapped.jar").toPath();
// The second time genSources is ran, we want to keep the existing unlinemapped jar.
if (!Files.exists(unlinemappedJar)) {
Files.copy(compiledJar, unlinemappedJar);
}
Files.copy(linemappedJarDestination, compiledJar, StandardCopyOption.REPLACE_EXISTING);
Files.delete(linemappedJarDestination);
}
}
private void remapLineNumbers(Path oldCompiledJar, Path linemap, Path linemappedJarDestination) throws IOException {
getProject().getLogger().info(":adjusting line numbers");
LineNumberRemapper remapper = new LineNumberRemapper();
remapper.readMappings(linemap.toFile());
ProgressLogger progressLogger = net.fabricmc.loom.util.progress.ProgressLogger.getProgressFactory(getProject(), getClass().getName());
progressLogger.start("Adjusting line numbers", "linemap");
try (StitchUtil.FileSystemDelegate inFs = StitchUtil.getJarFileSystem(oldCompiledJar.toFile(), true);
StitchUtil.FileSystemDelegate outFs = StitchUtil.getJarFileSystem(linemappedJarDestination.toFile(), true)) {
remapper.process(progressLogger, inFs.get().getPath("/"), outFs.get().getPath("/"));
}
progressLogger.completed();
}
}

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src/main/java/net/fabricmc/loom/task/RemapLineNumbersTask.java
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@ -1,91 +0,0 @@
/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2016, 2017, 2018 FabricMC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.fabricmc.loom.task;
import java.io.File;
import java.io.IOException;
import org.gradle.api.Project;
import org.gradle.api.tasks.InputFile;
import org.gradle.api.tasks.OutputFile;
import org.gradle.api.tasks.TaskAction;
import net.fabricmc.loom.task.fernflower.FernFlowerTask;
import net.fabricmc.loom.util.LineNumberRemapper;
import net.fabricmc.loom.util.progress.ProgressLogger;
import net.fabricmc.stitch.util.StitchUtil;
public class RemapLineNumbersTask extends AbstractLoomTask {
private Object input;
private Object output;
private Object lineMapFile;
@TaskAction
public void doTask() throws Throwable {
Project project = getProject();
project.getLogger().info(":adjusting line numbers");
LineNumberRemapper remapper = new LineNumberRemapper();
remapper.readMappings(getLineMapFile());
ProgressLogger progressLogger = ProgressLogger.getProgressFactory(project, FernFlowerTask.class.getName());
progressLogger.start("Adjusting line numbers", "linemap");
try (StitchUtil.FileSystemDelegate inFs = StitchUtil.getJarFileSystem(getInput(), true); StitchUtil.FileSystemDelegate outFs = StitchUtil.getJarFileSystem(getOutput(), true)) {
remapper.process(progressLogger, inFs.get().getPath("/"), outFs.get().getPath("/"));
} catch (IOException e) {
throw new RuntimeException(e);
}
progressLogger.completed();
}
@InputFile
public File getInput() {
return getProject().file(input);
}
@InputFile
public File getLineMapFile() {
return getProject().file(lineMapFile);
}
@OutputFile
public File getOutput() {
return getProject().file(output);
}
public void setInput(Object input) {
this.input = input;
}
public void setLineMapFile(Object lineMapFile) {
this.lineMapFile = lineMapFile;
}
public void setOutput(Object output) {
this.output = output;
}
}