Reviewed By: ngorogiannis Differential Revision: D20302009 fbshipit-source-id: a7c12a044master
Martin Trojer
5 years ago
committed by
Facebook Github Bot
parent
f8a490d477
commit
74e54575fa
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# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This source code is licensed under the MIT license found in the
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# LICENSE file in the root directory of this source tree.
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import logging
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import os
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import subprocess
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import traceback
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import util
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from inferlib import config, utils
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MODULE_NAME = 'ndk-build/clang'
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MODULE_DESCRIPTION = '''Run analysis of code built with ndk-build
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Analysis examples:
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infer -- ndk-build'''
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LANG = ['clang']
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ALIASED_COMMANDS = ['clang', 'clang++', 'cc', 'gcc', 'g++']
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def gen_instance(*args):
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return NdkBuildCapture(*args)
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create_argparser = util.base_argparser(MODULE_DESCRIPTION, MODULE_NAME)
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class NdkBuildCapture():
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def __init__(self, args, cmd):
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cmd = [
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cmd[0],
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'NDK_TOOLCHAIN_VERSION=clang',
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'TARGET_CC=clang',
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'TARGET_CXX=clang',
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'TARGET_LD=ld',
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] + cmd[1:]
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self.args = args
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self.cmd = cmd
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command_name = os.path.basename(cmd[0])
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if command_name in ALIASED_COMMANDS:
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# remove absolute paths for these commands as we want to
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# substitue our own wrappers instead using a PATH trick
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cmd[0] = command_name
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def get_envvars(self):
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env_vars = utils.read_env()
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wrappers_path = config.WRAPPERS_DIRECTORY
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# INFER_RESULTS_DIR and INFER_OLD_PATH are used by javac wrapper only
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env_vars['INFER_OLD_PATH'] = env_vars['PATH']
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env_vars['PATH'] = '{wrappers}{sep}{path}'.format(
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wrappers=wrappers_path,
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sep=os.pathsep,
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path=env_vars['PATH'],
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)
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env_vars['INFER_RESULTS_DIR'] = self.args.infer_out
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return env_vars
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def capture(self):
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try:
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env = utils.encode_env(self.get_envvars())
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cmd = map(utils.encode, self.cmd)
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logging.info('Running command %s with env:\n%s' % (cmd, env))
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subprocess.check_call(cmd, env=env)
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return os.EX_OK
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except subprocess.CalledProcessError as exc:
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if self.args.debug:
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traceback.print_exc()
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return exc.returncode
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@ -0,0 +1,47 @@
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(*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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open! IStd
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module L = Logging
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let capture ~build_cmd =
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let raw_prog, ndk_args = (List.hd_exn build_cmd, List.tl_exn build_cmd) in
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(* env vars *)
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let path_opt = Sys.getenv "PATH" in
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let new_env =
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[ ("INFER_OLD_PATH", Option.value path_opt ~default:"")
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; ("PATH", Option.fold path_opt ~init:Config.wrappers_dir ~f:(Printf.sprintf "%s:%s"))
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; ("INFER_RESULTS_DIR", Config.results_dir) ]
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in
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(* args *)
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let raw_prog_name = Filename.basename raw_prog in
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let prog =
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if List.exists Config.clang_exe_aliases ~f:(String.equal raw_prog_name) then raw_prog_name
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else raw_prog
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in
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let args =
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"NDK_TOOLCHAIN_VERSION=clang" :: "TARGET_CC=clang" :: "TARGET_CXX=clang" :: "TARGET_LD=ld"
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:: ndk_args
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in
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(* run ndk_build *)
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L.(debug Capture Verbose)
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"Running command %s %s with env %s@." prog (String.concat ~sep:" " args)
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(List.to_string ~f:(fun (a, b) -> a ^ "=" ^ b) new_env) ;
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let {Unix.Process_info.stdin; stdout; stderr; pid} =
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Unix.create_process_env ~prog ~args ~env:(`Extend new_env) ()
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in
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let ndk_stderr = Unix.in_channel_of_descr stderr in
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Utils.with_channel_in ndk_stderr ~f:(L.progress "NDKBUILD: %s@.") ;
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Unix.close stdin ;
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Unix.close stdout ;
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In_channel.close ndk_stderr ;
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match Unix.waitpid pid with
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| Ok () ->
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()
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| Error _ as err ->
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L.die ExternalError "ndkbuild capture failed to execute: %s"
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(Unix.Exit_or_signal.to_string_hum err)
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()
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@ -0,0 +1,10 @@
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(*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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open! IStd
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val capture : build_cmd:string list -> unit
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