You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
269 lines
11 KiB
269 lines
11 KiB
# Copyright (c) 2015 - present Facebook, Inc.
|
|
# All rights reserved.
|
|
#
|
|
# This source code is licensed under the BSD style license found in the
|
|
# LICENSE file in the root directory of this source tree. An additional grant
|
|
# of patent rights can be found in the PATENTS file in the same directory.
|
|
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import print_function
|
|
from __future__ import unicode_literals
|
|
|
|
import argparse
|
|
import logging
|
|
import os
|
|
import shutil
|
|
import subprocess
|
|
import tempfile
|
|
import traceback
|
|
import time
|
|
|
|
from inferlib import config, issues, utils, bucklib
|
|
from . import util
|
|
|
|
import re
|
|
|
|
MODULE_NAME = __name__
|
|
MODULE_DESCRIPTION = '''Run analysis of code built with a command like:
|
|
buck [options] [target]
|
|
|
|
Analysis examples:
|
|
infer -- buck build HelloWorld'''
|
|
LANG = ['clang', 'java']
|
|
|
|
KEEP_GOING_OPTION = "--keep-going"
|
|
|
|
|
|
def gen_instance(*args):
|
|
return BuckAnalyzer(*args)
|
|
|
|
|
|
def string_in_quotes(value):
|
|
return value.strip('\'')
|
|
|
|
|
|
def create_argparser(group_name=MODULE_NAME):
|
|
"""This defines the set of arguments that get added by this module to the
|
|
set of global args defined in the infer top-level module
|
|
Do not use this function directly, it should be invoked by the infer
|
|
top-level module"""
|
|
parser = argparse.ArgumentParser(add_help=False)
|
|
group = parser.add_argument_group(
|
|
'{grp} module'.format(grp=MODULE_NAME),
|
|
description=MODULE_DESCRIPTION,
|
|
)
|
|
group.add_argument('--use-flavors', action='store_true',
|
|
help='Run Infer analysis through the use of flavors. '
|
|
'Currently this is supported only for the cxx_* '
|
|
'targets of Buck - e.g. cxx_library, cxx_binary - '
|
|
'and not for Java. Note: this flag should be used '
|
|
'in combination with passing the #infer flavor '
|
|
'to the Buck target.')
|
|
group.add_argument('--xcode-developer-dir',
|
|
help='Specify the path to Xcode developer directory '
|
|
'(requires --use-flavors to work)')
|
|
group.add_argument('--blacklist-regex',
|
|
help='Specify the regex for files to skip during '
|
|
'the analysis (requires --use-flavors to work)')
|
|
group.add_argument('--Xbuck', action='append', default=[],
|
|
type=string_in_quotes,
|
|
help='Pass values as command-line arguments to '
|
|
'invocations of `buck build`.'
|
|
'NOTE: value should be wrapped in single quotes')
|
|
|
|
return parser
|
|
|
|
|
|
class BuckAnalyzer:
|
|
def __init__(self, args, cmd):
|
|
self.args = args
|
|
self.cmd = cmd
|
|
self.keep_going = KEEP_GOING_OPTION in self.args.Xbuck
|
|
util.log_java_version()
|
|
logging.info(util.run_cmd_ignore_fail(['buck', '--version']))
|
|
|
|
def capture(self):
|
|
try:
|
|
if self.args.use_flavors:
|
|
return self.capture_with_flavors()
|
|
else:
|
|
return self.capture_without_flavors()
|
|
except subprocess.CalledProcessError as exc:
|
|
if self.args.debug:
|
|
traceback.print_exc()
|
|
return exc.returncode
|
|
|
|
def create_cxx_buck_configuration_args(self):
|
|
# return a string that can be passed in input to buck
|
|
# and configures the paths to infer/clang/plugin/xcode
|
|
facebook_clang_plugins_root = config.FCP_DIRECTORY
|
|
clang_path = os.path.join(
|
|
facebook_clang_plugins_root,
|
|
'clang',
|
|
'install',
|
|
'bin',
|
|
'clang',
|
|
)
|
|
plugin_path = os.path.join(
|
|
facebook_clang_plugins_root,
|
|
'libtooling',
|
|
'build',
|
|
'FacebookClangPlugin.dylib',
|
|
)
|
|
args = [
|
|
'--config',
|
|
'*//infer.infer_bin={bin}'
|
|
.format(bin=config.BIN_DIRECTORY),
|
|
'--config',
|
|
'*//infer.clang_compiler={clang}'.format(clang=clang_path),
|
|
'--config',
|
|
'*//infer.clang_plugin={plugin}'.format(plugin=plugin_path),
|
|
'--config',
|
|
'*//cxx.pch_enabled=false',
|
|
] + self.args.Xbuck
|
|
|
|
if self.args.xcode_developer_dir is not None:
|
|
args.append('--config')
|
|
args.append('apple.xcode_developer_dir={devdir}'.format(
|
|
devdir=self.args.xcode_developer_dir))
|
|
if self.args.blacklist_regex:
|
|
args.append('--config')
|
|
args.append('*//infer.blacklist_regex={regex}'.format(
|
|
regex=self.args.blacklist_regex))
|
|
return args
|
|
|
|
def _get_analysis_result_paths(self):
|
|
# TODO(8610738): Make targets extraction smarter
|
|
buck_results_cmd = [
|
|
self.cmd[0],
|
|
'targets',
|
|
'--show-output'
|
|
] + self.cmd[2:] + self.create_cxx_buck_configuration_args()
|
|
buck_results_cmd = \
|
|
[x for x in buck_results_cmd if x != KEEP_GOING_OPTION]
|
|
proc = subprocess.Popen(buck_results_cmd, stdout=subprocess.PIPE)
|
|
(buck_output, _) = proc.communicate()
|
|
if proc.returncode != 0:
|
|
return None
|
|
# remove target name prefixes from each line and split them into a list
|
|
out = [x.split(None, 1)[1] for x in buck_output.strip().split('\n')]
|
|
return [os.path.dirname(x)
|
|
if os.path.isfile(x) else x
|
|
for x in out if os.path.exists(x)]
|
|
|
|
@staticmethod
|
|
def _merge_infer_dep_files(root_paths, merged_out_path):
|
|
potential_dep_files = [os.path.join(p, config.INFER_BUCK_DEPS_FILENAME)
|
|
for p in root_paths]
|
|
dep_files = filter(os.path.exists, potential_dep_files)
|
|
utils.merge_and_dedup_files_into_path(dep_files, merged_out_path)
|
|
|
|
@staticmethod
|
|
def _merge_infer_report_files(root_paths, merged_out_path):
|
|
potential_report_files = [os.path.join(p, config.JSON_REPORT_FILENAME)
|
|
for p in root_paths]
|
|
report_files = filter(os.path.exists, potential_report_files)
|
|
all_results = issues.merge_reports_from_paths(report_files)
|
|
utils.dump_json_to_path(all_results, merged_out_path)
|
|
|
|
@staticmethod
|
|
def _find_deps_and_merge(merged_out_path):
|
|
"""This function is used to compute the infer-deps.txt file that
|
|
contains the location of the infer-out folders with the captured
|
|
files created by buck. This is needed when keep-going is passed
|
|
to buck and there are compilation failures, because in that case
|
|
buck doesn't create this file."""
|
|
infer_out_folders = []
|
|
start_time = time.time()
|
|
print('finding captured files in buck-out...')
|
|
for root, dirs, files in os.walk(config.BUCK_OUT_GEN):
|
|
regex = re.compile('.*infer-out.*')
|
|
folders = \
|
|
[os.path.join(root, d) for d in dirs if re.match(regex, d)]
|
|
for d in folders:
|
|
if d not in infer_out_folders:
|
|
infer_out_folders.append(d)
|
|
with open(merged_out_path, 'w') as fmerged_out_path:
|
|
for dir in infer_out_folders:
|
|
fmerged_out_path.write('\t' + '\t' + dir + '\n')
|
|
elapsed_time = time.time() - start_time
|
|
print('time elapsed in finding captured files in buck-out: % 6.2fs'
|
|
% elapsed_time)
|
|
|
|
def _move_buck_out(self):
|
|
""" If keep-going is passed, we may need to compute the infer-deps
|
|
file with the paths to the captured files. To make sure that
|
|
this is done in a consistent way, we need to start the analysis
|
|
with an empty buck-out folder."""
|
|
if not os.path.exists(config.BUCK_OUT_TRASH):
|
|
os.makedirs(config.BUCK_OUT_TRASH)
|
|
tmp = tempfile.mkdtemp(
|
|
dir=config.BUCK_OUT_TRASH,
|
|
prefix=config.BUCK_OUT)
|
|
print('moving files in ' + config.BUCK_OUT + ' to ' + tmp)
|
|
for filename in os.listdir(config.BUCK_OUT):
|
|
if filename != config.TRASH:
|
|
shutil.move(os.path.join(config.BUCK_OUT, filename), tmp)
|
|
|
|
def _run_buck_with_flavors(self):
|
|
# TODO: Use buck to identify the project's root folder
|
|
if not os.path.isfile('.buckconfig'):
|
|
print('Please run this command from the folder where .buckconfig '
|
|
'is located')
|
|
return os.EX_USAGE
|
|
env_vars = utils.read_env()
|
|
infer_args = env_vars['INFER_ARGS']
|
|
if infer_args != '':
|
|
infer_args += '^' # '^' must be CommandLineOption.env_var_sep
|
|
infer_args += '--fcp-syntax-only'
|
|
env_vars['INFER_ARGS'] = infer_args
|
|
env = utils.encode_env(env_vars)
|
|
command = self.cmd
|
|
command += ['-j', str(self.args.multicore)]
|
|
if self.args.load_average is not None:
|
|
command += ['-L', str(self.args.load_average)]
|
|
command += self.create_cxx_buck_configuration_args()
|
|
try:
|
|
subprocess.check_call(command, env=env)
|
|
return os.EX_OK
|
|
except subprocess.CalledProcessError as e:
|
|
if self.keep_going:
|
|
print('Buck failed, but continuing the analysis '
|
|
'because --keep-going was passed')
|
|
return -1
|
|
else:
|
|
raise e
|
|
|
|
def capture_with_flavors(self):
|
|
if self.keep_going:
|
|
self._move_buck_out()
|
|
ret = self._run_buck_with_flavors()
|
|
if not ret == os.EX_OK and not self.keep_going:
|
|
return ret
|
|
result_paths = self._get_analysis_result_paths()
|
|
if result_paths is None:
|
|
# huho, the Buck command to extract results paths failed
|
|
return os.EX_SOFTWARE
|
|
merged_reports_path = os.path.join(
|
|
self.args.infer_out, config.JSON_REPORT_FILENAME)
|
|
merged_deps_path = os.path.join(
|
|
self.args.infer_out, config.INFER_BUCK_DEPS_FILENAME)
|
|
self._merge_infer_report_files(result_paths, merged_reports_path)
|
|
if not ret == os.EX_OK and self.keep_going:
|
|
self._find_deps_and_merge(merged_deps_path)
|
|
else:
|
|
self._merge_infer_dep_files(result_paths, merged_deps_path)
|
|
infer_out = self.args.infer_out
|
|
json_report = os.path.join(infer_out, config.JSON_REPORT_FILENAME)
|
|
bugs_out = os.path.join(infer_out, config.BUGS_FILENAME)
|
|
issues.print_and_save_errors(infer_out, self.args.project_root,
|
|
json_report, bugs_out, self.args.pmd_xml,
|
|
console_out=not self.args.quiet)
|
|
return os.EX_OK
|
|
|
|
def capture_without_flavors(self):
|
|
# Java is a special case, and we run the analysis from here
|
|
buck_wrapper = bucklib.Wrapper(self.args, self.cmd)
|
|
return buck_wrapper.run()
|