Add a simple Proguard comaptibility tool
The tool will just read all proguard options from the command line and
place them into a Proguard configuration file. Then run R8 with that
file as the main Proguard configuration file.
Change-Id: Ia110e01db64543fa65a39aa0df7c77de2bd5d9a6
diff --git a/build.gradle b/build.gradle
index 7362238..b69be1f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -379,6 +379,20 @@
}
}
+task CompatProguard(type: Jar) {
+ from sourceSets.main.output
+ baseName 'compatproguard'
+ manifest {
+ attributes 'Main-Class': 'com.android.tools.r8.compatproguard.CompatProguard'
+ }
+ // In order to build without dependencies, pass the exclude_deps property using:
+ // gradle -Pexclude_deps CompatProguard
+ if (!project.hasProperty('exclude_deps')) {
+ // Also include dependencies
+ from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
+ }
+}
+
task D8Logger(type: Jar) {
from sourceSets.main.output
baseName 'd8logger'
diff --git a/src/main/java/com/android/tools/r8/compatproguard/CompatProguard.java b/src/main/java/com/android/tools/r8/compatproguard/CompatProguard.java
new file mode 100644
index 0000000..45eb6e4
--- /dev/null
+++ b/src/main/java/com/android/tools/r8/compatproguard/CompatProguard.java
@@ -0,0 +1,56 @@
+// Copyright (c) 2017, 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.compatproguard;
+
+import com.android.tools.r8.CompilationException;
+import com.android.tools.r8.R8;
+import com.android.tools.r8.R8Command;
+import com.google.common.collect.ImmutableList;
+import java.io.IOException;
+import java.util.List;
+
+public class CompatProguard {
+ public static class CompatProguardOptions {
+ public final List<String> proguardConfig;
+
+ CompatProguardOptions(List<String> proguardConfig) {
+ this.proguardConfig = proguardConfig;
+ }
+
+ public static CompatProguardOptions parse(String[] args) {
+ ImmutableList.Builder<String> builder = ImmutableList.builder();
+ if (args.length > 0) {
+ StringBuilder currentLine = new StringBuilder(args[0]);
+ for (int i = 1; i < args.length; i++) {
+ String arg = args[i];
+ if (arg.charAt(0) == '-') {
+ builder.add(currentLine.toString());
+ currentLine = new StringBuilder(arg);
+ } else {
+ currentLine.append(' ').append(arg);
+ }
+ }
+ builder.add(currentLine.toString());
+ }
+ return new CompatProguardOptions(builder.build());
+ }
+ }
+
+ private static void run(String[] args) throws IOException, CompilationException {
+ System.out.println("CompatProguard " + String.join(" ", args));
+ // Run R8 passing all the options from the command line as a Proguard configuration.
+ CompatProguardOptions options = CompatProguardOptions.parse(args);
+ R8.run(R8Command.builder().addProguardConfiguration(options.proguardConfig).build());
+ }
+
+ public static void main(String[] args) throws IOException {
+ try {
+ run(args);
+ } catch (CompilationException e) {
+ System.err.println(e.getMessage());
+ System.exit(1);
+ }
+ }
+}
