710 lines
26 KiB
Python
Executable file
710 lines
26 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
#
|
|
# Copyright 2013 The Chromium Authors. All rights reserved.
|
|
# Use of this source code is governed by a BSD-style license that can be
|
|
# found in the LICENSE file.
|
|
|
|
import argparse
|
|
from collections import defaultdict
|
|
import logging
|
|
import os
|
|
import re
|
|
import shutil
|
|
import sys
|
|
import tempfile
|
|
import zipfile
|
|
|
|
import dex
|
|
import dex_jdk_libs
|
|
from pylib.dex import dex_parser
|
|
from util import build_utils
|
|
from util import diff_utils
|
|
|
|
_API_LEVEL_VERSION_CODE = [
|
|
(21, 'L'),
|
|
(22, 'LollipopMR1'),
|
|
(23, 'M'),
|
|
(24, 'N'),
|
|
(25, 'NMR1'),
|
|
(26, 'O'),
|
|
(27, 'OMR1'),
|
|
(28, 'P'),
|
|
(29, 'Q'),
|
|
(30, 'R'),
|
|
(31, 'S'),
|
|
]
|
|
|
|
|
|
def _ParseOptions():
|
|
args = build_utils.ExpandFileArgs(sys.argv[1:])
|
|
parser = argparse.ArgumentParser()
|
|
build_utils.AddDepfileOption(parser)
|
|
parser.add_argument('--r8-path',
|
|
required=True,
|
|
help='Path to the R8.jar to use.')
|
|
parser.add_argument(
|
|
'--desugar-jdk-libs-json', help='Path to desugar_jdk_libs.json.')
|
|
parser.add_argument('--input-paths',
|
|
action='append',
|
|
required=True,
|
|
help='GN-list of .jar files to optimize.')
|
|
parser.add_argument('--desugar-jdk-libs-jar',
|
|
help='Path to desugar_jdk_libs.jar.')
|
|
parser.add_argument('--desugar-jdk-libs-configuration-jar',
|
|
help='Path to desugar_jdk_libs_configuration.jar.')
|
|
parser.add_argument('--output-path', help='Path to the generated .jar file.')
|
|
parser.add_argument(
|
|
'--proguard-configs',
|
|
action='append',
|
|
required=True,
|
|
help='GN-list of configuration files.')
|
|
parser.add_argument(
|
|
'--apply-mapping', help='Path to ProGuard mapping to apply.')
|
|
parser.add_argument(
|
|
'--mapping-output',
|
|
required=True,
|
|
help='Path for ProGuard to output mapping file to.')
|
|
parser.add_argument(
|
|
'--extra-mapping-output-paths',
|
|
help='GN-list of additional paths to copy output mapping file to.')
|
|
parser.add_argument(
|
|
'--classpath',
|
|
action='append',
|
|
help='GN-list of .jar files to include as libraries.')
|
|
parser.add_argument('--main-dex-rules-path',
|
|
action='append',
|
|
help='Path to main dex rules for multidex.')
|
|
parser.add_argument(
|
|
'--min-api', help='Minimum Android API level compatibility.')
|
|
parser.add_argument('--enable-obfuscation',
|
|
action='store_true',
|
|
help='Minify symbol names')
|
|
parser.add_argument(
|
|
'--verbose', '-v', action='store_true', help='Print all ProGuard output')
|
|
parser.add_argument(
|
|
'--repackage-classes', help='Package all optimized classes are put in.')
|
|
parser.add_argument(
|
|
'--disable-outlining',
|
|
action='store_true',
|
|
help='Disable the outlining optimization provided by R8.')
|
|
parser.add_argument(
|
|
'--disable-checks',
|
|
action='store_true',
|
|
help='Disable -checkdiscard directives and missing symbols check')
|
|
parser.add_argument('--sourcefile', help='Value for source file attribute')
|
|
parser.add_argument(
|
|
'--force-enable-assertions',
|
|
action='store_true',
|
|
help='Forcefully enable javac generated assertion code.')
|
|
parser.add_argument(
|
|
'--feature-jars',
|
|
action='append',
|
|
help='GN list of path to jars which comprise the corresponding feature.')
|
|
parser.add_argument(
|
|
'--dex-dest',
|
|
action='append',
|
|
dest='dex_dests',
|
|
help='Destination for dex file of the corresponding feature.')
|
|
parser.add_argument(
|
|
'--feature-name',
|
|
action='append',
|
|
dest='feature_names',
|
|
help='The name of the feature module.')
|
|
parser.add_argument(
|
|
'--uses-split',
|
|
action='append',
|
|
help='List of name pairs separated by : mapping a feature module to a '
|
|
'dependent feature module.')
|
|
parser.add_argument(
|
|
'--keep-rules-targets-regex',
|
|
metavar='KEEP_RULES_REGEX',
|
|
help='If passed outputs keep rules for references from all other inputs '
|
|
'to the subset of inputs that satisfy the KEEP_RULES_REGEX.')
|
|
parser.add_argument(
|
|
'--keep-rules-output-path',
|
|
help='Output path to the keep rules for references to the '
|
|
'--keep-rules-targets-regex inputs from the rest of the inputs.')
|
|
parser.add_argument('--warnings-as-errors',
|
|
action='store_true',
|
|
help='Treat all warnings as errors.')
|
|
parser.add_argument('--show-desugar-default-interface-warnings',
|
|
action='store_true',
|
|
help='Enable desugaring warnings.')
|
|
parser.add_argument('--dump-inputs',
|
|
action='store_true',
|
|
help='Use when filing R8 bugs to capture inputs.'
|
|
' Stores inputs to r8inputs.zip')
|
|
parser.add_argument(
|
|
'--stamp',
|
|
help='File to touch upon success. Mutually exclusive with --output-path')
|
|
parser.add_argument('--desugared-library-keep-rule-output',
|
|
help='Path to desugared library keep rule output file.')
|
|
|
|
diff_utils.AddCommandLineFlags(parser)
|
|
options = parser.parse_args(args)
|
|
|
|
if options.feature_names:
|
|
if options.output_path:
|
|
parser.error('Feature splits cannot specify an output in GN.')
|
|
if not options.actual_file and not options.stamp:
|
|
parser.error('Feature splits require a stamp file as output.')
|
|
elif not options.output_path:
|
|
parser.error('Output path required when feature splits aren\'t used')
|
|
|
|
if bool(options.keep_rules_targets_regex) != bool(
|
|
options.keep_rules_output_path):
|
|
raise Exception('You must path both --keep-rules-targets-regex and '
|
|
'--keep-rules-output-path')
|
|
|
|
options.classpath = build_utils.ParseGnList(options.classpath)
|
|
options.proguard_configs = build_utils.ParseGnList(options.proguard_configs)
|
|
options.input_paths = build_utils.ParseGnList(options.input_paths)
|
|
options.extra_mapping_output_paths = build_utils.ParseGnList(
|
|
options.extra_mapping_output_paths)
|
|
|
|
if options.feature_names:
|
|
if 'base' not in options.feature_names:
|
|
parser.error('"base" feature required when feature arguments are used.')
|
|
if len(options.feature_names) != len(options.feature_jars) or len(
|
|
options.feature_names) != len(options.dex_dests):
|
|
parser.error('Invalid feature argument lengths.')
|
|
|
|
options.feature_jars = [
|
|
build_utils.ParseGnList(x) for x in options.feature_jars
|
|
]
|
|
|
|
split_map = {}
|
|
if options.uses_split:
|
|
for split_pair in options.uses_split:
|
|
child, parent = split_pair.split(':')
|
|
for name in (child, parent):
|
|
if name not in options.feature_names:
|
|
parser.error('"%s" referenced in --uses-split not present.' % name)
|
|
split_map[child] = parent
|
|
options.uses_split = split_map
|
|
|
|
return options
|
|
|
|
|
|
class _SplitContext(object):
|
|
def __init__(self, name, output_path, input_jars, work_dir, parent_name=None):
|
|
self.name = name
|
|
self.parent_name = parent_name
|
|
self.input_jars = set(input_jars)
|
|
self.final_output_path = output_path
|
|
self.staging_dir = os.path.join(work_dir, name)
|
|
os.mkdir(self.staging_dir)
|
|
|
|
def CreateOutput(self, has_imported_lib=False, keep_rule_output=None):
|
|
found_files = build_utils.FindInDirectory(self.staging_dir)
|
|
if not found_files:
|
|
raise Exception('Missing dex outputs in {}'.format(self.staging_dir))
|
|
|
|
if self.final_output_path.endswith('.dex'):
|
|
if has_imported_lib:
|
|
raise Exception(
|
|
'Trying to create a single .dex file, but a dependency requires '
|
|
'JDK Library Desugaring (which necessitates a second file).'
|
|
'Refer to %s to see what desugaring was required' %
|
|
keep_rule_output)
|
|
if len(found_files) != 1:
|
|
raise Exception('Expected exactly 1 dex file output, found: {}'.format(
|
|
'\t'.join(found_files)))
|
|
shutil.move(found_files[0], self.final_output_path)
|
|
return
|
|
|
|
# Add to .jar using Python rather than having R8 output to a .zip directly
|
|
# in order to disable compression of the .jar, saving ~500ms.
|
|
tmp_jar_output = self.staging_dir + '.jar'
|
|
build_utils.DoZip(found_files, tmp_jar_output, base_dir=self.staging_dir)
|
|
shutil.move(tmp_jar_output, self.final_output_path)
|
|
|
|
|
|
def _DeDupeInputJars(split_contexts_by_name):
|
|
"""Moves jars used by multiple splits into common ancestors.
|
|
|
|
Updates |input_jars| for each _SplitContext.
|
|
"""
|
|
|
|
def count_ancestors(split_context):
|
|
ret = 0
|
|
if split_context.parent_name:
|
|
ret += 1
|
|
ret += count_ancestors(split_contexts_by_name[split_context.parent_name])
|
|
return ret
|
|
|
|
base_context = split_contexts_by_name['base']
|
|
# Sort by tree depth so that ensure children are visited before their parents.
|
|
sorted_contexts = list(split_contexts_by_name.values())
|
|
sorted_contexts.remove(base_context)
|
|
sorted_contexts.sort(key=count_ancestors, reverse=True)
|
|
|
|
# If a jar is present in multiple siblings, promote it to their parent.
|
|
seen_jars_by_parent = defaultdict(set)
|
|
for split_context in sorted_contexts:
|
|
seen_jars = seen_jars_by_parent[split_context.parent_name]
|
|
new_dupes = seen_jars.intersection(split_context.input_jars)
|
|
parent_context = split_contexts_by_name[split_context.parent_name]
|
|
parent_context.input_jars.update(new_dupes)
|
|
seen_jars.update(split_context.input_jars)
|
|
|
|
def ancestor_jars(parent_name, dest=None):
|
|
dest = dest or set()
|
|
if not parent_name:
|
|
return dest
|
|
parent_context = split_contexts_by_name[parent_name]
|
|
dest.update(parent_context.input_jars)
|
|
return ancestor_jars(parent_context.parent_name, dest)
|
|
|
|
# Now that jars have been moved up the tree, remove those that appear in
|
|
# ancestors.
|
|
for split_context in sorted_contexts:
|
|
split_context.input_jars -= ancestor_jars(split_context.parent_name)
|
|
|
|
|
|
def _OptimizeWithR8(options,
|
|
config_paths,
|
|
libraries,
|
|
dynamic_config_data,
|
|
print_stdout=False):
|
|
with build_utils.TempDir() as tmp_dir:
|
|
if dynamic_config_data:
|
|
dynamic_config_path = os.path.join(tmp_dir, 'dynamic_config.flags')
|
|
with open(dynamic_config_path, 'w') as f:
|
|
f.write(dynamic_config_data)
|
|
config_paths = config_paths + [dynamic_config_path]
|
|
|
|
tmp_mapping_path = os.path.join(tmp_dir, 'mapping.txt')
|
|
# If there is no output (no classes are kept), this prevents this script
|
|
# from failing.
|
|
build_utils.Touch(tmp_mapping_path)
|
|
|
|
tmp_output = os.path.join(tmp_dir, 'r8out')
|
|
os.mkdir(tmp_output)
|
|
|
|
split_contexts_by_name = {}
|
|
if options.feature_names:
|
|
for name, dest_dex, input_jars in zip(options.feature_names,
|
|
options.dex_dests,
|
|
options.feature_jars):
|
|
parent_name = options.uses_split.get(name)
|
|
if parent_name is None and name != 'base':
|
|
parent_name = 'base'
|
|
split_context = _SplitContext(name,
|
|
dest_dex,
|
|
input_jars,
|
|
tmp_output,
|
|
parent_name=parent_name)
|
|
split_contexts_by_name[name] = split_context
|
|
else:
|
|
# Base context will get populated via "extra_jars" below.
|
|
split_contexts_by_name['base'] = _SplitContext('base',
|
|
options.output_path, [],
|
|
tmp_output)
|
|
base_context = split_contexts_by_name['base']
|
|
|
|
# R8 OOMs with the default xmx=1G.
|
|
cmd = build_utils.JavaCmd(options.warnings_as_errors, xmx='2G') + [
|
|
'-Dcom.android.tools.r8.allowTestProguardOptions=1',
|
|
'-Dcom.android.tools.r8.disableHorizontalClassMerging=1',
|
|
]
|
|
if options.disable_outlining:
|
|
cmd += ['-Dcom.android.tools.r8.disableOutlining=1']
|
|
if options.dump_inputs:
|
|
cmd += ['-Dcom.android.tools.r8.dumpinputtofile=r8inputs.zip']
|
|
cmd += [
|
|
'-cp',
|
|
options.r8_path,
|
|
'com.android.tools.r8.R8',
|
|
'--no-data-resources',
|
|
'--output',
|
|
base_context.staging_dir,
|
|
'--pg-map-output',
|
|
tmp_mapping_path,
|
|
]
|
|
|
|
if options.disable_checks:
|
|
# Info level priority logs are not printed by default.
|
|
cmd += ['--map-diagnostics:CheckDiscardDiagnostic', 'error', 'info']
|
|
|
|
if options.desugar_jdk_libs_json:
|
|
cmd += [
|
|
'--desugared-lib',
|
|
options.desugar_jdk_libs_json,
|
|
'--desugared-lib-pg-conf-output',
|
|
options.desugared_library_keep_rule_output,
|
|
]
|
|
|
|
if options.min_api:
|
|
cmd += ['--min-api', options.min_api]
|
|
|
|
if options.force_enable_assertions:
|
|
cmd += ['--force-enable-assertions']
|
|
|
|
for lib in libraries:
|
|
cmd += ['--lib', lib]
|
|
|
|
for config_file in config_paths:
|
|
cmd += ['--pg-conf', config_file]
|
|
|
|
if options.main_dex_rules_path:
|
|
for main_dex_rule in options.main_dex_rules_path:
|
|
cmd += ['--main-dex-rules', main_dex_rule]
|
|
|
|
_DeDupeInputJars(split_contexts_by_name)
|
|
|
|
# Add any extra inputs to the base context (e.g. desugar runtime).
|
|
extra_jars = set(options.input_paths)
|
|
for split_context in split_contexts_by_name.values():
|
|
extra_jars -= split_context.input_jars
|
|
base_context.input_jars.update(extra_jars)
|
|
|
|
for split_context in split_contexts_by_name.values():
|
|
if split_context is base_context:
|
|
continue
|
|
for in_jar in sorted(split_context.input_jars):
|
|
cmd += ['--feature', in_jar, split_context.staging_dir]
|
|
|
|
cmd += sorted(base_context.input_jars)
|
|
|
|
try:
|
|
stderr_filter = dex.CreateStderrFilter(
|
|
options.show_desugar_default_interface_warnings)
|
|
logging.debug('Running R8')
|
|
build_utils.CheckOutput(cmd,
|
|
print_stdout=print_stdout,
|
|
stderr_filter=stderr_filter,
|
|
fail_on_output=options.warnings_as_errors)
|
|
except build_utils.CalledProcessError:
|
|
# Python will print the original exception as well.
|
|
raise Exception(
|
|
'R8 failed. Please see '
|
|
'https://chromium.googlesource.com/chromium/src/+/HEAD/build/'
|
|
'android/docs/java_optimization.md#Debugging-common-failures')
|
|
|
|
base_has_imported_lib = False
|
|
if options.desugar_jdk_libs_json:
|
|
logging.debug('Running L8')
|
|
existing_files = build_utils.FindInDirectory(base_context.staging_dir)
|
|
jdk_dex_output = os.path.join(base_context.staging_dir,
|
|
'classes%d.dex' % (len(existing_files) + 1))
|
|
# Use -applymapping to avoid name collisions.
|
|
l8_dynamic_config_path = os.path.join(tmp_dir, 'l8_dynamic_config.flags')
|
|
with open(l8_dynamic_config_path, 'w') as f:
|
|
f.write("-applymapping '{}'\n".format(tmp_mapping_path))
|
|
# Pass the dynamic config so that obfuscation options are picked up.
|
|
l8_config_paths = [dynamic_config_path, l8_dynamic_config_path]
|
|
if os.path.exists(options.desugared_library_keep_rule_output):
|
|
l8_config_paths.append(options.desugared_library_keep_rule_output)
|
|
|
|
base_has_imported_lib = dex_jdk_libs.DexJdkLibJar(
|
|
options.r8_path, options.min_api, options.desugar_jdk_libs_json,
|
|
options.desugar_jdk_libs_jar,
|
|
options.desugar_jdk_libs_configuration_jar, jdk_dex_output,
|
|
options.warnings_as_errors, l8_config_paths)
|
|
if int(options.min_api) >= 24 and base_has_imported_lib:
|
|
with open(jdk_dex_output, 'rb') as f:
|
|
dexfile = dex_parser.DexFile(bytearray(f.read()))
|
|
for m in dexfile.IterMethodSignatureParts():
|
|
print('{}#{}'.format(m[0], m[2]))
|
|
assert False, (
|
|
'Desugared JDK libs are disabled on Monochrome and newer - see '
|
|
'crbug.com/1159984 for details, and see above list for desugared '
|
|
'classes and methods.')
|
|
|
|
logging.debug('Collecting ouputs')
|
|
base_context.CreateOutput(base_has_imported_lib,
|
|
options.desugared_library_keep_rule_output)
|
|
for split_context in split_contexts_by_name.values():
|
|
if split_context is not base_context:
|
|
split_context.CreateOutput()
|
|
|
|
with open(options.mapping_output, 'w') as out_file, \
|
|
open(tmp_mapping_path) as in_file:
|
|
# Mapping files generated by R8 include comments that may break
|
|
# some of our tooling so remove those (specifically: apkanalyzer).
|
|
out_file.writelines(l for l in in_file if not l.startswith('#'))
|
|
return base_context
|
|
|
|
|
|
def _OutputKeepRules(r8_path, input_paths, classpath, targets_re_string,
|
|
keep_rules_output):
|
|
cmd = build_utils.JavaCmd(False) + [
|
|
'-cp', r8_path, 'com.android.tools.r8.tracereferences.TraceReferences',
|
|
'--map-diagnostics:MissingDefinitionsDiagnostic', 'error', 'warning',
|
|
'--keep-rules', '--output', keep_rules_output
|
|
]
|
|
targets_re = re.compile(targets_re_string)
|
|
for path in input_paths:
|
|
if targets_re.search(path):
|
|
cmd += ['--target', path]
|
|
else:
|
|
cmd += ['--source', path]
|
|
for path in classpath:
|
|
cmd += ['--lib', path]
|
|
|
|
build_utils.CheckOutput(cmd, print_stderr=False, fail_on_output=False)
|
|
|
|
|
|
def _CheckForMissingSymbols(r8_path, dex_files, classpath, warnings_as_errors,
|
|
error_title):
|
|
cmd = build_utils.JavaCmd(warnings_as_errors) + [
|
|
'-cp', r8_path, 'com.android.tools.r8.tracereferences.TraceReferences',
|
|
'--map-diagnostics:MissingDefinitionsDiagnostic', 'error', 'warning',
|
|
'--check'
|
|
]
|
|
|
|
for path in classpath:
|
|
cmd += ['--lib', path]
|
|
for path in dex_files:
|
|
cmd += ['--source', path]
|
|
|
|
def stderr_filter(stderr):
|
|
ignored_lines = [
|
|
# Summary contains warning count, which our filtering makes wrong.
|
|
'Warning: Tracereferences found',
|
|
|
|
# TODO(agrieve): Create interface jars for these missing classes rather
|
|
# than allowlisting here.
|
|
'dalvik.system',
|
|
'libcore.io',
|
|
'sun.misc.Unsafe',
|
|
|
|
# Found in: com/facebook/fbui/textlayoutbuilder/StaticLayoutHelper
|
|
'android.text.StaticLayout.<init>',
|
|
|
|
# Explicictly guarded by try (NoClassDefFoundError) in Flogger's
|
|
# PlatformProvider.
|
|
'com.google.common.flogger.backend.google.GooglePlatform',
|
|
'com.google.common.flogger.backend.system.DefaultPlatform',
|
|
|
|
# trichrome_webview_google_bundle contains this missing reference.
|
|
# TODO(crbug.com/1142530): Fix this missing reference properly.
|
|
'org.chromium.build.NativeLibraries',
|
|
|
|
# TODO(agrieve): Exclude these only when use_jacoco_coverage=true.
|
|
'java.lang.instrument.ClassFileTransformer',
|
|
'java.lang.instrument.IllegalClassFormatException',
|
|
'java.lang.instrument.Instrumentation',
|
|
'java.lang.management.ManagementFactory',
|
|
'javax.management.MBeanServer',
|
|
'javax.management.ObjectInstance',
|
|
'javax.management.ObjectName',
|
|
'javax.management.StandardMBean',
|
|
|
|
# Explicitly guarded by try (NoClassDefFoundError) in Firebase's
|
|
# KotlinDetector: com.google.firebase.platforminfo.KotlinDetector.
|
|
'kotlin.KotlinVersion',
|
|
]
|
|
|
|
had_unfiltered_items = ' ' in stderr
|
|
stderr = build_utils.FilterLines(
|
|
stderr, '|'.join(re.escape(x) for x in ignored_lines))
|
|
if stderr:
|
|
if ' ' in stderr:
|
|
stderr = error_title + """
|
|
Tip: Build with:
|
|
is_java_debug=false
|
|
treat_warnings_as_errors=false
|
|
enable_proguard_obfuscation=false
|
|
and then use dexdump to see which class(s) reference them.
|
|
|
|
E.g.:
|
|
third_party/android_sdk/public/build-tools/*/dexdump -d \
|
|
out/Release/apks/YourApk.apk > dex.txt
|
|
""" + stderr
|
|
|
|
if 'FragmentActivity' in stderr:
|
|
stderr += """
|
|
You may need to update build configs to run FragmentActivityReplacer for
|
|
additional targets. See
|
|
https://chromium.googlesource.com/chromium/src.git/+/main/docs/ui/android/bytecode_rewriting.md.
|
|
"""
|
|
elif had_unfiltered_items:
|
|
# Left only with empty headings. All indented items filtered out.
|
|
stderr = ''
|
|
return stderr
|
|
|
|
logging.debug('cmd: %s', ' '.join(cmd))
|
|
build_utils.CheckOutput(cmd,
|
|
print_stdout=True,
|
|
stderr_filter=stderr_filter,
|
|
fail_on_output=warnings_as_errors)
|
|
|
|
|
|
def _CombineConfigs(configs, dynamic_config_data, exclude_generated=False):
|
|
ret = []
|
|
|
|
# Sort in this way so //clank versions of the same libraries will sort
|
|
# to the same spot in the file.
|
|
def sort_key(path):
|
|
return tuple(reversed(path.split(os.path.sep)))
|
|
|
|
for config in sorted(configs, key=sort_key):
|
|
if exclude_generated and config.endswith('.resources.proguard.txt'):
|
|
continue
|
|
|
|
with open(config) as config_file:
|
|
contents = config_file.read().rstrip()
|
|
|
|
if not contents.strip():
|
|
# Ignore empty files.
|
|
continue
|
|
|
|
# Fix up line endings (third_party configs can have windows endings).
|
|
contents = contents.replace('\r', '')
|
|
# Remove numbers from generated rule comments to make file more
|
|
# diff'able.
|
|
contents = re.sub(r' #generated:\d+', '', contents)
|
|
ret.append('# File: ' + config)
|
|
ret.append(contents)
|
|
ret.append('')
|
|
|
|
if dynamic_config_data:
|
|
ret.append('# File: //build/android/gyp/proguard.py (generated rules)')
|
|
ret.append(dynamic_config_data)
|
|
ret.append('')
|
|
return '\n'.join(ret)
|
|
|
|
|
|
def _CreateDynamicConfig(options):
|
|
# Our scripts already fail on output. Adding -ignorewarnings makes R8 output
|
|
# warnings rather than throw exceptions so we can selectively ignore them via
|
|
# dex.py's ignore list. Context: https://crbug.com/1180222
|
|
ret = ["-ignorewarnings"]
|
|
|
|
if options.sourcefile:
|
|
ret.append("-renamesourcefileattribute '%s' # OMIT FROM EXPECTATIONS" %
|
|
options.sourcefile)
|
|
|
|
if options.enable_obfuscation:
|
|
ret.append("-repackageclasses ''")
|
|
else:
|
|
ret.append("-dontobfuscate")
|
|
|
|
if options.apply_mapping:
|
|
ret.append("-applymapping '%s'" % options.apply_mapping)
|
|
|
|
_min_api = int(options.min_api) if options.min_api else 0
|
|
for api_level, version_code in _API_LEVEL_VERSION_CODE:
|
|
annotation_name = 'org.chromium.base.annotations.VerifiesOn' + version_code
|
|
if api_level > _min_api:
|
|
ret.append('-keep @interface %s' % annotation_name)
|
|
ret.append("""\
|
|
-if @%s class * {
|
|
*** *(...);
|
|
}
|
|
-keep,allowobfuscation class <1> {
|
|
*** <2>(...);
|
|
}""" % annotation_name)
|
|
ret.append("""\
|
|
-keepclassmembers,allowobfuscation class ** {
|
|
@%s <methods>;
|
|
}""" % annotation_name)
|
|
return '\n'.join(ret)
|
|
|
|
|
|
def _VerifyNoEmbeddedConfigs(jar_paths):
|
|
failed = False
|
|
for jar_path in jar_paths:
|
|
with zipfile.ZipFile(jar_path) as z:
|
|
for name in z.namelist():
|
|
if name.startswith('META-INF/proguard/'):
|
|
failed = True
|
|
sys.stderr.write("""\
|
|
Found embedded proguard config within {}.
|
|
Embedded configs are not permitted (https://crbug.com/989505)
|
|
""".format(jar_path))
|
|
break
|
|
if failed:
|
|
sys.exit(1)
|
|
|
|
|
|
def _ContainsDebuggingConfig(config_str):
|
|
debugging_configs = ('-whyareyoukeeping', '-whyareyounotinlining')
|
|
return any(config in config_str for config in debugging_configs)
|
|
|
|
|
|
def _MaybeWriteStampAndDepFile(options, inputs):
|
|
output = options.output_path
|
|
if options.stamp:
|
|
build_utils.Touch(options.stamp)
|
|
output = options.stamp
|
|
if options.depfile:
|
|
build_utils.WriteDepfile(options.depfile, output, inputs=inputs)
|
|
|
|
|
|
def main():
|
|
build_utils.InitLogging('PROGUARD_DEBUG')
|
|
options = _ParseOptions()
|
|
|
|
logging.debug('Preparing configs')
|
|
proguard_configs = options.proguard_configs
|
|
|
|
# ProGuard configs that are derived from flags.
|
|
dynamic_config_data = _CreateDynamicConfig(options)
|
|
|
|
# ProGuard configs that are derived from flags.
|
|
merged_configs = _CombineConfigs(
|
|
proguard_configs, dynamic_config_data, exclude_generated=True)
|
|
print_stdout = _ContainsDebuggingConfig(merged_configs) or options.verbose
|
|
|
|
if options.expected_file:
|
|
diff_utils.CheckExpectations(merged_configs, options)
|
|
if options.only_verify_expectations:
|
|
build_utils.WriteDepfile(options.depfile,
|
|
options.actual_file,
|
|
inputs=options.proguard_configs)
|
|
return
|
|
|
|
logging.debug('Looking for embedded configs')
|
|
libraries = []
|
|
for p in options.classpath:
|
|
# TODO(bjoyce): Remove filter once old android support libraries are gone.
|
|
# Fix for having Library class extend program class dependency problem.
|
|
if 'com_android_support' in p or 'android_support_test' in p:
|
|
continue
|
|
# If a jar is part of input no need to include it as library jar.
|
|
if p not in libraries and p not in options.input_paths:
|
|
libraries.append(p)
|
|
_VerifyNoEmbeddedConfigs(options.input_paths + libraries)
|
|
if options.keep_rules_output_path:
|
|
_OutputKeepRules(options.r8_path, options.input_paths, options.classpath,
|
|
options.keep_rules_targets_regex,
|
|
options.keep_rules_output_path)
|
|
return
|
|
|
|
base_context = _OptimizeWithR8(options, proguard_configs, libraries,
|
|
dynamic_config_data, print_stdout)
|
|
|
|
if not options.disable_checks:
|
|
logging.debug('Running tracereferences')
|
|
all_dex_files = []
|
|
if options.output_path:
|
|
all_dex_files.append(options.output_path)
|
|
if options.dex_dests:
|
|
all_dex_files.extend(options.dex_dests)
|
|
error_title = 'DEX contains references to non-existent symbols after R8.'
|
|
_CheckForMissingSymbols(options.r8_path, all_dex_files, options.classpath,
|
|
options.warnings_as_errors, error_title)
|
|
# Also ensure that base module doesn't have any references to child dex
|
|
# symbols.
|
|
# TODO(agrieve): Remove this check once r8 desugaring is fixed to not put
|
|
# synthesized classes in the base module.
|
|
error_title = 'Base module DEX contains references symbols within DFMs.'
|
|
_CheckForMissingSymbols(options.r8_path, [base_context.final_output_path],
|
|
options.classpath, options.warnings_as_errors,
|
|
error_title)
|
|
|
|
for output in options.extra_mapping_output_paths:
|
|
shutil.copy(options.mapping_output, output)
|
|
|
|
inputs = options.proguard_configs + options.input_paths + libraries
|
|
if options.apply_mapping:
|
|
inputs.append(options.apply_mapping)
|
|
|
|
_MaybeWriteStampAndDepFile(options, inputs)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|