| // Copyright (c) 2018, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| package com.android.tools.r8; |
| |
| import static com.android.tools.r8.ParseFlagInfoImpl.flag1; |
| |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.origin.PathOrigin; |
| import com.android.tools.r8.utils.ExceptionDiagnostic; |
| import com.android.tools.r8.utils.FlagFile; |
| import com.android.tools.r8.utils.StringDiagnostic; |
| import com.android.tools.r8.utils.StringUtils; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Sets; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.NoSuchFileException; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class D8CommandParser extends BaseCompilerCommandParser<D8Command, D8Command.Builder> { |
| |
| private static final Set<String> OPTIONS_WITH_PARAMETER = |
| ImmutableSet.of( |
| "--output", |
| "--lib", |
| "--classpath", |
| "--pg-map", |
| "--pg-map-output", |
| MIN_API_FLAG, |
| "--main-dex-rules", |
| "--main-dex-list", |
| "--main-dex-list-output", |
| "--desugared-lib", |
| "--desugared-lib-pg-conf-output", |
| THREAD_COUNT_FLAG); |
| |
| public static List<ParseFlagInfo> getFlags() { |
| return ImmutableList.<ParseFlagInfo>builder() |
| .add(ParseFlagInfoImpl.getDebug(true)) |
| .add(ParseFlagInfoImpl.getRelease(false)) |
| .add(ParseFlagInfoImpl.getOutput()) |
| .add(ParseFlagInfoImpl.getLib()) |
| .add(ParseFlagInfoImpl.getClasspath()) |
| .add(ParseFlagInfoImpl.getMinApi()) |
| .add( |
| ParseFlagInfoImpl.flag1( |
| "--pg-map", "<file>", "Use <file> as a mapping file for distribution.")) |
| // TODO(b/183125319): Add help info once supported. |
| // " --pg-map-output <file> # Enable line optimization and output mapping to <file>.", |
| .add( |
| ParseFlagInfoImpl.flag0( |
| "--intermediate", "Compile an intermediate result intended for later", "merging.")) |
| .add( |
| ParseFlagInfoImpl.flag0( |
| "--file-per-class", |
| "Produce a separate dex file per class.", |
| "Synthetic classes are in their own file.")) |
| .add( |
| ParseFlagInfoImpl.flag0( |
| "--file-per-class-file", |
| "Produce a separate dex file per input .class file.", |
| "Synthetic classes are with their originating class.")) |
| .add(ParseFlagInfoImpl.flag0("--no-desugaring", "Force disable desugaring.")) |
| .add(ParseFlagInfoImpl.getDesugaredLib()) |
| .add( |
| flag1( |
| "--desugared-lib-pg-conf-output", |
| "<file>", |
| "Output the Proguard configuration for L8 to <file>.")) |
| .add(ParseFlagInfoImpl.getMainDexRules()) |
| .add(ParseFlagInfoImpl.getMainDexList()) |
| .add(ParseFlagInfoImpl.getMainDexListOutput()) |
| .addAll(ParseFlagInfoImpl.getAssertionsFlags()) |
| .add(ParseFlagInfoImpl.getThreadCount()) |
| .add(ParseFlagInfoImpl.getMapDiagnostics()) |
| .add(ParseFlagInfoImpl.getVersion("d8")) |
| .add(ParseFlagInfoImpl.getHelp()) |
| .build(); |
| } |
| |
| private static final String APK_EXTENSION = ".apk"; |
| private static final String JAR_EXTENSION = ".jar"; |
| private static final String ZIP_EXTENSION = ".zip"; |
| |
| private static boolean isArchive(Path path) { |
| String name = path.getFileName().toString().toLowerCase(); |
| return name.endsWith(APK_EXTENSION) |
| || name.endsWith(JAR_EXTENSION) |
| || name.endsWith(ZIP_EXTENSION); |
| } |
| |
| static class OrderedClassFileResourceProvider implements ClassFileResourceProvider { |
| static class Builder { |
| private final ImmutableList.Builder<ClassFileResourceProvider> builder = |
| ImmutableList.builder(); |
| boolean empty = true; |
| |
| OrderedClassFileResourceProvider build() { |
| return new OrderedClassFileResourceProvider(builder.build()); |
| } |
| |
| Builder addClassFileResourceProvider(ClassFileResourceProvider provider) { |
| builder.add(provider); |
| empty = false; |
| return this; |
| } |
| |
| boolean isEmpty() { |
| return empty; |
| } |
| } |
| |
| final List<ClassFileResourceProvider> providers; |
| final Set<String> descriptors = Sets.newHashSet(); |
| |
| private OrderedClassFileResourceProvider(ImmutableList<ClassFileResourceProvider> providers) { |
| this.providers = providers; |
| // Collect all descriptors that can be provided. |
| this.providers.forEach(provider -> this.descriptors.addAll(provider.getClassDescriptors())); |
| } |
| |
| static Builder builder() { |
| return new Builder(); |
| } |
| |
| @Override |
| public Set<String> getClassDescriptors() { |
| return descriptors; |
| } |
| |
| @Override |
| public ProgramResource getProgramResource(String descriptor) { |
| // Search the providers in order. Return the program resource from the first provider that |
| // can provide it. |
| for (ClassFileResourceProvider provider : providers) { |
| if (provider.getClassDescriptors().contains(descriptor)) { |
| return provider.getProgramResource(descriptor); |
| } |
| } |
| return null; |
| } |
| } |
| |
| public static void main(String[] args) throws CompilationFailedException { |
| D8Command command = parse(args, Origin.root()).build(); |
| if (command.isPrintHelp()) { |
| System.out.println(getUsageMessage()); |
| } else { |
| D8.run(command); |
| } |
| } |
| |
| static String getUsageMessage() { |
| StringBuilder builder = new StringBuilder(); |
| StringUtils.appendLines( |
| builder, |
| "Usage: d8 [options] [@<argfile>] <input-files>", |
| " where <input-files> are any combination of dex, class, zip, jar, or apk files", |
| " and each <argfile> is a file containing additional arguments (one per line)", |
| " and options are:"); |
| new ParseFlagPrinter().addFlags(ImmutableList.copyOf(getFlags())).appendLinesToBuilder(builder); |
| return builder.toString(); |
| } |
| |
| /** |
| * Parse the D8 command-line. |
| * |
| * <p>Parsing will set the supplied options or their default value if they have any. |
| * |
| * @param args Command-line arguments array. |
| * @param origin Origin description of the command-line arguments. |
| * @return D8 command builder with state set up according to parsed command line. |
| */ |
| public static D8Command.Builder parse(String[] args, Origin origin) { |
| return new D8CommandParser().parse(args, origin, D8Command.builder()); |
| } |
| |
| /** |
| * Parse the D8 command-line. |
| * |
| * <p>Parsing will set the supplied options or their default value if they have any. |
| * |
| * @param args Command-line arguments array. |
| * @param origin Origin description of the command-line arguments. |
| * @param handler Custom defined diagnostics handler. |
| * @return D8 command builder with state set up according to parsed command line. |
| */ |
| public static D8Command.Builder parse(String[] args, Origin origin, DiagnosticsHandler handler) { |
| return new D8CommandParser().parse(args, origin, D8Command.builder(handler)); |
| } |
| |
| private D8Command.Builder parse(String[] args, Origin origin, D8Command.Builder builder) { |
| CompilationMode compilationMode = null; |
| Path outputPath = null; |
| OutputMode outputMode = null; |
| boolean hasDefinedApiLevel = false; |
| OrderedClassFileResourceProvider.Builder classpathBuilder = |
| OrderedClassFileResourceProvider.builder(); |
| String[] expandedArgs = FlagFile.expandFlagFiles(args, builder::error); |
| for (int i = 0; i < expandedArgs.length; i++) { |
| String arg = expandedArgs[i].trim(); |
| String nextArg = null; |
| if (OPTIONS_WITH_PARAMETER.contains(arg)) { |
| if (++i < expandedArgs.length) { |
| nextArg = expandedArgs[i]; |
| } else { |
| builder.error( |
| new StringDiagnostic("Missing parameter for " + expandedArgs[i - 1] + ".", origin)); |
| break; |
| } |
| } |
| if (arg.length() == 0) { |
| continue; |
| } else if (arg.equals("--help")) { |
| builder.setPrintHelp(true); |
| } else if (arg.equals("--version")) { |
| builder.setPrintVersion(true); |
| } else if (arg.equals("--debug")) { |
| if (compilationMode == CompilationMode.RELEASE) { |
| builder.error( |
| new StringDiagnostic("Cannot compile in both --debug and --release mode.", origin)); |
| continue; |
| } |
| compilationMode = CompilationMode.DEBUG; |
| } else if (arg.equals("--release")) { |
| if (compilationMode == CompilationMode.DEBUG) { |
| builder.error( |
| new StringDiagnostic("Cannot compile in both --debug and --release mode.", origin)); |
| continue; |
| } |
| compilationMode = CompilationMode.RELEASE; |
| } else if (arg.equals("--file-per-class")) { |
| outputMode = OutputMode.DexFilePerClass; |
| } else if (arg.equals("--file-per-class-file")) { |
| outputMode = OutputMode.DexFilePerClassFile; |
| } else if (arg.equals("--classfile")) { |
| outputMode = OutputMode.ClassFile; |
| } else if (arg.equals("--pg-map")) { |
| builder.setProguardInputMapFile(Paths.get(nextArg)); |
| } else if (arg.equals("--pg-map-output")) { |
| builder.setProguardMapOutputPath(Paths.get(nextArg)); |
| } else if (arg.equals("--output")) { |
| if (outputPath != null) { |
| builder.error( |
| new StringDiagnostic( |
| "Cannot output both to '" + outputPath.toString() + "' and '" + nextArg + "'", |
| origin)); |
| continue; |
| } |
| outputPath = Paths.get(nextArg); |
| } else if (arg.equals("--lib")) { |
| addLibraryArgument(builder, origin, nextArg); |
| } else if (arg.equals("--classpath")) { |
| Path file = Paths.get(nextArg); |
| try { |
| if (!Files.exists(file)) { |
| throw new NoSuchFileException(file.toString()); |
| } |
| if (isArchive(file)) { |
| classpathBuilder.addClassFileResourceProvider(new ArchiveClassFileProvider(file)); |
| } else if (Files.isDirectory(file)) { |
| classpathBuilder.addClassFileResourceProvider( |
| DirectoryClassFileProvider.fromDirectory(file)); |
| } else { |
| builder.error( |
| new StringDiagnostic("Unsupported classpath file type", new PathOrigin(file))); |
| } |
| } catch (IOException e) { |
| builder.error(new ExceptionDiagnostic(e, new PathOrigin(file))); |
| } |
| } else if (arg.equals("--main-dex-rules")) { |
| builder.addMainDexRulesFiles(Paths.get(nextArg)); |
| } else if (arg.equals("--main-dex-list")) { |
| builder.addMainDexListFiles(Paths.get(nextArg)); |
| } else if (arg.equals("--main-dex-list-output")) { |
| builder.setMainDexListOutputPath(Paths.get(nextArg)); |
| } else if (arg.equals("--optimize-multidex-for-linearalloc")) { |
| builder.setOptimizeMultidexForLinearAlloc(true); |
| } else if (arg.equals(MIN_API_FLAG)) { |
| if (hasDefinedApiLevel) { |
| builder.error( |
| new StringDiagnostic("Cannot set multiple " + MIN_API_FLAG + " options", origin)); |
| } else { |
| parsePositiveIntArgument( |
| builder::error, MIN_API_FLAG, nextArg, origin, builder::setMinApiLevel); |
| hasDefinedApiLevel = true; |
| } |
| } else if (arg.equals(THREAD_COUNT_FLAG)) { |
| parsePositiveIntArgument( |
| builder::error, THREAD_COUNT_FLAG, nextArg, origin, builder::setThreadCount); |
| } else if (arg.equals("--intermediate")) { |
| builder.setIntermediate(true); |
| } else if (arg.equals("--no-desugaring")) { |
| builder.setDisableDesugaring(true); |
| } else if (arg.equals("--desugared-lib")) { |
| builder.addDesugaredLibraryConfiguration(StringResource.fromFile(Paths.get(nextArg))); |
| } else if (arg.equals("--desugared-lib-pg-conf-output")) { |
| StringConsumer consumer = new StringConsumer.FileConsumer(Paths.get(nextArg)); |
| builder.setDesugaredLibraryKeepRuleConsumer(consumer); |
| } else if (arg.startsWith("--")) { |
| if (tryParseAssertionArgument(builder, arg, origin)) { |
| continue; |
| } |
| int argsConsumed = tryParseMapDiagnostics(builder, arg, expandedArgs, i, origin); |
| if (argsConsumed >= 0) { |
| i += argsConsumed; |
| continue; |
| } |
| argsConsumed = tryParseDump(builder, arg, expandedArgs, i, origin); |
| if (argsConsumed >= 0) { |
| i += argsConsumed; |
| continue; |
| } |
| builder.error(new StringDiagnostic("Unknown option: " + arg, origin)); |
| } else if (arg.startsWith("@")) { |
| builder.error(new StringDiagnostic("Recursive @argfiles are not supported: ", origin)); |
| } else { |
| builder.addProgramFiles(Paths.get(arg)); |
| } |
| } |
| if (!classpathBuilder.isEmpty()) { |
| builder.addClasspathResourceProvider(classpathBuilder.build()); |
| } |
| if (compilationMode != null) { |
| builder.setMode(compilationMode); |
| } |
| if (outputMode == null) { |
| outputMode = OutputMode.DexIndexed; |
| } |
| if (outputPath == null) { |
| outputPath = Paths.get("."); |
| } |
| return builder.setOutput(outputPath, outputMode); |
| } |
| } |
