| #!/usr/bin/env python |
| # Copyright (c) 2020, 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. |
| |
| import archive |
| import argparse |
| import jdk |
| import os |
| import retrace |
| import subprocess |
| import sys |
| import zipfile |
| |
| import utils |
| |
| |
| def make_parser(): |
| parser = argparse.ArgumentParser(description = 'Compile a dump artifact.') |
| parser.add_argument( |
| '-d', |
| '--dump', |
| help='Dump file or directory to compile', |
| default=None) |
| parser.add_argument( |
| '--temp', |
| help='Temp directory to extract the dump to, allows you to rerun the command' |
| ' more easily in the terminal with changes', |
| default=None) |
| parser.add_argument( |
| '-c', |
| '--compiler', |
| help='Compiler to use', |
| default=None) |
| parser.add_argument( |
| '-v', |
| '--version', |
| help='Compiler version to use (default read from dump version file).' |
| 'Valid arguments are:' |
| ' "master" to run from your own tree,' |
| ' "X.Y.Z" to run a specific version, or' |
| ' <hash> to run that hash from master.', |
| default=None) |
| parser.add_argument( |
| '--r8-jar', |
| help='Path to an R8 jar.', |
| default=None) |
| parser.add_argument( |
| '--nolib', |
| help='Use the non-lib distribution (default uses the lib distribution)', |
| default=False, |
| action='store_true') |
| parser.add_argument( |
| '--printtimes', |
| help='Print timing information from r8', |
| default=False, |
| action='store_true') |
| parser.add_argument( |
| '--ea', |
| help='Enable Java assertions when running the compiler (default disabled)', |
| default=False, |
| action='store_true') |
| parser.add_argument( |
| '--debug-agent', |
| help='Enable Java debug agent and suspend compilation (default disabled)', |
| default=False, |
| action='store_true') |
| parser.add_argument( |
| '--xmx', |
| help='Set JVM max heap size (-Xmx)', |
| default=None) |
| parser.add_argument( |
| '--threads', |
| help='Set the number of threads to use', |
| default=None) |
| parser.add_argument( |
| '--min-api', |
| help='Set min-api (default read from dump properties file)', |
| default=None) |
| parser.add_argument( |
| '--loop', |
| help='Run the compilation in a loop', |
| default=False, |
| action='store_true') |
| return parser |
| |
| def error(msg): |
| print msg |
| sys.exit(1) |
| |
| class Dump(object): |
| |
| def __init__(self, directory): |
| self.directory = directory |
| |
| def if_exists(self, name): |
| f = os.path.join(self.directory, name) |
| if os.path.exists(f): |
| return f |
| return None |
| |
| def program_jar(self): |
| return self.if_exists('program.jar') |
| |
| def feature_jars(self): |
| feature_jars = [] |
| i = 1 |
| while True: |
| feature_jar = self.if_exists('feature-%s.jar' % i) |
| if feature_jar: |
| feature_jars.append(feature_jar) |
| i = i + 1 |
| else: |
| return feature_jars |
| |
| def library_jar(self): |
| return self.if_exists('library.jar') |
| |
| def classpath_jar(self): |
| return self.if_exists('classpath.jar') |
| |
| def build_properties_file(self): |
| return self.if_exists('build.properties') |
| |
| def config_file(self): |
| return self.if_exists('proguard.config') |
| |
| def version_file(self): |
| return self.if_exists('r8-version') |
| |
| def version(self): |
| f = self.version_file() |
| if f: |
| return open(f).read().split(' ')[0] |
| return None |
| |
| def read_dump(args, temp): |
| if args.dump is None: |
| error("A dump file or directory must be specified") |
| if os.path.isdir(args.dump): |
| return Dump(args.dump) |
| dump_file = zipfile.ZipFile(os.path.abspath(args.dump), 'r') |
| with utils.ChangedWorkingDirectory(temp): |
| dump_file.extractall() |
| return Dump(temp) |
| |
| def determine_build_properties(args, dump): |
| build_properties = {} |
| build_properties_file = dump.build_properties_file() |
| if build_properties_file: |
| with open(build_properties_file) as f: |
| build_properties_contents = f.readlines() |
| for line in build_properties_contents: |
| stripped = line.strip() |
| if stripped: |
| pair = stripped.split('=') |
| build_properties[pair[0]] = pair[1] |
| return build_properties |
| |
| def determine_version(args, dump): |
| if args.version is None: |
| return dump.version() |
| return args.version |
| |
| def determine_compiler(args, dump): |
| compilers = ['d8', 'r8', 'r8full'] |
| if args.compiler not in compilers: |
| error("Unable to determine a compiler to use. Specified %s," |
| " Valid options: %s" % (args.compiler, ', '.join(compilers))) |
| return args.compiler |
| |
| def determine_output(args, temp): |
| return os.path.join(temp, 'out.jar') |
| |
| def determine_min_api(args, build_properties): |
| if args.min_api: |
| return args.min_api |
| if 'min-api' in build_properties: |
| return build_properties.get('min-api') |
| return None |
| |
| def determine_feature_output(feature_jar, temp): |
| return os.path.join(temp, os.path.basename(feature_jar)[:-4] + ".out.jar") |
| |
| def download_distribution(args, version, temp): |
| if version == 'master': |
| return utils.R8_JAR if args.nolib else utils.R8LIB_JAR |
| name = 'r8.jar' if args.nolib else 'r8lib.jar' |
| source = archive.GetUploadDestination(version, name, is_hash(version)) |
| dest = os.path.join(temp, 'r8.jar') |
| utils.download_file_from_cloud_storage(source, dest) |
| return dest |
| |
| def prepare_wrapper(dist, temp): |
| wrapper_file = os.path.join( |
| utils.REPO_ROOT, |
| 'src/main/java/com/android/tools/r8/utils/CompileDumpCompatR8.java') |
| subprocess.check_output([ |
| jdk.GetJavacExecutable(), |
| wrapper_file, |
| '-d', temp, |
| '-cp', dist, |
| ]) |
| return temp |
| |
| def is_hash(version): |
| return len(version) == 40 |
| |
| def run1(out, args, otherargs): |
| with utils.TempDir() as temp: |
| if out: |
| temp = out |
| if not os.path.exists(temp): |
| os.makedirs(temp) |
| dump = read_dump(args, temp) |
| if not dump.program_jar(): |
| error("Cannot compile dump with no program classes") |
| if not dump.library_jar(): |
| print "WARNING: Unexpected lack of library classes in dump" |
| build_properties = determine_build_properties(args, dump) |
| version = determine_version(args, dump) |
| compiler = determine_compiler(args, dump) |
| out = determine_output(args, temp) |
| min_api = determine_min_api(args, build_properties) |
| jar = args.r8_jar if args.r8_jar else download_distribution(args, version, temp) |
| wrapper_dir = prepare_wrapper(jar, temp) |
| cmd = [jdk.GetJavaExecutable()] |
| if args.debug_agent: |
| if not args.nolib: |
| print "WARNING: Running debugging agent on r8lib is questionable..." |
| cmd.append( |
| '-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=*:5005') |
| if args.xmx: |
| cmd.append('-Xmx' + args.xmx) |
| if args.ea: |
| cmd.append('-ea') |
| if args.printtimes: |
| cmd.append('-Dcom.android.tools.r8.printtimes=1') |
| cmd.extend(['-cp', '%s:%s' % (wrapper_dir, jar)]) |
| if compiler == 'd8': |
| cmd.append('com.android.tools.r8.D8') |
| if compiler.startswith('r8'): |
| cmd.append('com.android.tools.r8.utils.CompileDumpCompatR8') |
| if compiler == 'r8': |
| cmd.append('--compat') |
| cmd.append(dump.program_jar()) |
| cmd.extend(['--output', out]) |
| for feature_jar in dump.feature_jars(): |
| cmd.extend(['--feature-jar', feature_jar, |
| determine_feature_output(feature_jar, temp)]) |
| if dump.library_jar(): |
| cmd.extend(['--lib', dump.library_jar()]) |
| if dump.classpath_jar(): |
| cmd.extend(['--classpath', dump.classpath_jar()]) |
| if compiler != 'd8' and dump.config_file(): |
| cmd.extend(['--pg-conf', dump.config_file()]) |
| if compiler != 'd8': |
| cmd.extend(['--pg-map-output', '%s.map' % out]) |
| if min_api: |
| cmd.extend(['--min-api', min_api]) |
| if args.threads: |
| cmd.extend(['--threads', args.threads]) |
| cmd.extend(otherargs) |
| utils.PrintCmd(cmd) |
| try: |
| print subprocess.check_output(cmd, stderr=subprocess.STDOUT) |
| return 0 |
| except subprocess.CalledProcessError, e: |
| print e.output |
| if not args.nolib: |
| stacktrace = os.path.join(temp, 'stacktrace') |
| open(stacktrace, 'w+').write(e.output) |
| local_map = utils.R8LIB_MAP if version == 'master' else None |
| hash_or_version = None if version == 'master' else version |
| print "=" * 80 |
| print " RETRACED OUTPUT" |
| print "=" * 80 |
| retrace.run(local_map, hash_or_version, stacktrace, is_hash(version)) |
| return 1 |
| |
| def run(args, otherargs): |
| if (args.loop): |
| count = 1 |
| while True: |
| print('Iteration {:03d}'.format(count)) |
| out = args.temp |
| if out: |
| out = os.path.join(out, '{:03d}'.format(count)) |
| run1(out, args, otherargs) |
| count += 1 |
| else: |
| run1(args.temp, args, otherargs) |
| |
| if __name__ == '__main__': |
| (args, otherargs) = make_parser().parse_known_args(sys.argv[1:]) |
| sys.exit(run(args, otherargs)) |
