Move libcxx/test/libcxx python package into libcxx/utils/libcxx.

This patch merges the test python package with the newly
created package in utils.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@294651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2017-02-09 23:18:11 +00:00
parent 1147753b1c
commit ed803866ea
13 changed files with 310 additions and 142 deletions

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@@ -1,291 +0,0 @@
#===----------------------------------------------------------------------===##
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===##
import platform
import os
import lit.util
import libcxx.util
class CXXCompiler(object):
CM_Default = 0
CM_PreProcess = 1
CM_Compile = 2
CM_Link = 3
def __init__(self, path, flags=None, compile_flags=None, link_flags=None,
warning_flags=None, verify_supported=None,
verify_flags=None, use_verify=False,
modules_flags=None, use_modules=False,
use_ccache=False, use_warnings=False, compile_env=None,
cxx_type=None, cxx_version=None):
self.path = path
self.flags = list(flags or [])
self.compile_flags = list(compile_flags or [])
self.link_flags = list(link_flags or [])
self.warning_flags = list(warning_flags or [])
self.verify_supported = verify_supported
self.use_verify = use_verify
self.verify_flags = list(verify_flags or [])
assert not use_verify or verify_supported
assert not use_verify or verify_flags is not None
self.modules_flags = list(modules_flags or [])
self.use_modules = use_modules
assert not use_modules or modules_flags is not None
self.use_ccache = use_ccache
self.use_warnings = use_warnings
if compile_env is not None:
self.compile_env = dict(compile_env)
else:
self.compile_env = None
self.type = cxx_type
self.version = cxx_version
if self.type is None or self.version is None:
self._initTypeAndVersion()
def isVerifySupported(self):
if self.verify_supported is None:
self.verify_supported = self.hasCompileFlag(['-Xclang',
'-verify-ignore-unexpected'])
if self.verify_supported:
self.verify_flags = [
'-Xclang', '-verify',
'-Xclang', '-verify-ignore-unexpected=note',
'-ferror-limit=1024'
]
return self.verify_supported
def useVerify(self, value=True):
self.use_verify = value
assert not self.use_verify or self.verify_flags is not None
def useModules(self, value=True):
self.use_modules = value
assert not self.use_modules or self.modules_flags is not None
def useCCache(self, value=True):
self.use_ccache = value
def useWarnings(self, value=True):
self.use_warnings = value
def _initTypeAndVersion(self):
# Get compiler type and version
macros = self.dumpMacros()
if macros is None:
return
compiler_type = None
major_ver = minor_ver = patchlevel = None
if '__clang__' in macros.keys():
compiler_type = 'clang'
# Treat apple's llvm fork differently.
if '__apple_build_version__' in macros.keys():
compiler_type = 'apple-clang'
major_ver = macros['__clang_major__']
minor_ver = macros['__clang_minor__']
patchlevel = macros['__clang_patchlevel__']
elif '__GNUC__' in macros.keys():
compiler_type = 'gcc'
major_ver = macros['__GNUC__']
minor_ver = macros['__GNUC_MINOR__']
patchlevel = macros['__GNUC_PATCHLEVEL__']
self.type = compiler_type
self.version = (major_ver, minor_ver, patchlevel)
def _basicCmd(self, source_files, out, mode=CM_Default, flags=[],
input_is_cxx=False):
cmd = []
if self.use_ccache \
and not mode == self.CM_Link \
and not mode == self.CM_PreProcess:
cmd += ['ccache']
cmd += [self.path]
if out is not None:
cmd += ['-o', out]
if input_is_cxx:
cmd += ['-x', 'c++']
if isinstance(source_files, list):
cmd += source_files
elif isinstance(source_files, str):
cmd += [source_files]
else:
raise TypeError('source_files must be a string or list')
if mode == self.CM_PreProcess:
cmd += ['-E']
elif mode == self.CM_Compile:
cmd += ['-c']
cmd += self.flags
if self.use_verify:
cmd += self.verify_flags
assert mode in [self.CM_Default, self.CM_Compile]
if self.use_modules:
cmd += self.modules_flags
if mode != self.CM_Link:
cmd += self.compile_flags
if self.use_warnings:
cmd += self.warning_flags
if mode != self.CM_PreProcess and mode != self.CM_Compile:
cmd += self.link_flags
cmd += flags
return cmd
def preprocessCmd(self, source_files, out=None, flags=[]):
return self._basicCmd(source_files, out, flags=flags,
mode=self.CM_PreProcess,
input_is_cxx=True)
def compileCmd(self, source_files, out=None, flags=[]):
return self._basicCmd(source_files, out, flags=flags,
mode=self.CM_Compile,
input_is_cxx=True) + ['-c']
def linkCmd(self, source_files, out=None, flags=[]):
return self._basicCmd(source_files, out, flags=flags,
mode=self.CM_Link)
def compileLinkCmd(self, source_files, out=None, flags=[]):
return self._basicCmd(source_files, out, flags=flags)
def preprocess(self, source_files, out=None, flags=[], cwd=None):
cmd = self.preprocessCmd(source_files, out, flags)
out, err, rc = lit.util.executeCommand(cmd, env=self.compile_env,
cwd=cwd)
return cmd, out, err, rc
def compile(self, source_files, out=None, flags=[], cwd=None):
cmd = self.compileCmd(source_files, out, flags)
out, err, rc = lit.util.executeCommand(cmd, env=self.compile_env,
cwd=cwd)
return cmd, out, err, rc
def link(self, source_files, out=None, flags=[], cwd=None):
cmd = self.linkCmd(source_files, out, flags)
out, err, rc = lit.util.executeCommand(cmd, env=self.compile_env,
cwd=cwd)
return cmd, out, err, rc
def compileLink(self, source_files, out=None, flags=[],
cwd=None):
cmd = self.compileLinkCmd(source_files, out, flags)
out, err, rc = lit.util.executeCommand(cmd, env=self.compile_env,
cwd=cwd)
return cmd, out, err, rc
def compileLinkTwoSteps(self, source_file, out=None, object_file=None,
flags=[], cwd=None):
if not isinstance(source_file, str):
raise TypeError('This function only accepts a single input file')
if object_file is None:
# Create, use and delete a temporary object file if none is given.
with_fn = lambda: libcxx.util.guardedTempFilename(suffix='.o')
else:
# Otherwise wrap the filename in a context manager function.
with_fn = lambda: libcxx.util.nullContext(object_file)
with with_fn() as object_file:
cc_cmd, cc_stdout, cc_stderr, rc = self.compile(
source_file, object_file, flags=flags, cwd=cwd)
if rc != 0:
return cc_cmd, cc_stdout, cc_stderr, rc
link_cmd, link_stdout, link_stderr, rc = self.link(
object_file, out=out, flags=flags, cwd=cwd)
return (cc_cmd + ['&&'] + link_cmd, cc_stdout + link_stdout,
cc_stderr + link_stderr, rc)
def dumpMacros(self, source_files=None, flags=[], cwd=None):
if source_files is None:
source_files = os.devnull
flags = ['-dM'] + flags
cmd, out, err, rc = self.preprocess(source_files, flags=flags, cwd=cwd)
if rc != 0:
return None
parsed_macros = {}
lines = [l.strip() for l in out.split('\n') if l.strip()]
for l in lines:
assert l.startswith('#define ')
l = l[len('#define '):]
macro, _, value = l.partition(' ')
parsed_macros[macro] = value
return parsed_macros
def getTriple(self):
cmd = [self.path] + self.flags + ['-dumpmachine']
return lit.util.capture(cmd).strip()
def hasCompileFlag(self, flag):
if isinstance(flag, list):
flags = list(flag)
else:
flags = [flag]
# Add -Werror to ensure that an unrecognized flag causes a non-zero
# exit code. -Werror is supported on all known compiler types.
if self.type is not None:
flags += ['-Werror', '-fsyntax-only']
cmd, out, err, rc = self.compile(os.devnull, out=os.devnull,
flags=flags)
return rc == 0
def addFlagIfSupported(self, flag):
if isinstance(flag, list):
flags = list(flag)
else:
flags = [flag]
if self.hasCompileFlag(flags):
self.flags += flags
return True
else:
return False
def addCompileFlagIfSupported(self, flag):
if isinstance(flag, list):
flags = list(flag)
else:
flags = [flag]
if self.hasCompileFlag(flags):
self.compile_flags += flags
return True
else:
return False
def hasWarningFlag(self, flag):
"""
hasWarningFlag - Test if the compiler supports a given warning flag.
Unlike addCompileFlagIfSupported, this function detects when
"-Wno-<warning>" flags are unsupported. If flag is a
"-Wno-<warning>" GCC will not emit an unknown option diagnostic unless
another error is triggered during compilation.
"""
assert isinstance(flag, str)
assert flag.startswith('-W')
if not flag.startswith('-Wno-'):
return self.hasCompileFlag(flag)
flags = ['-Werror', flag]
old_use_warnings = self.use_warnings
self.useWarnings(False)
cmd = self.compileCmd('-', os.devnull, flags)
self.useWarnings(old_use_warnings)
# Remove '-v' because it will cause the command line invocation
# to be printed as part of the error output.
# TODO(EricWF): Are there other flags we need to worry about?
if '-v' in cmd:
cmd.remove('-v')
out, err, rc = lit.util.executeCommand(
cmd, input=lit.util.to_bytes('#error\n'))
assert rc != 0
if flag in err:
return False
return True
def addWarningFlagIfSupported(self, flag):
if self.hasWarningFlag(flag):
if flag not in self.warning_flags:
self.warning_flags += [flag]
return True
return False

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@@ -1,975 +0,0 @@
#===----------------------------------------------------------------------===##
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===##
import locale
import os
import platform
import pkgutil
import pipes
import re
import shlex
import shutil
import sys
import lit.Test # pylint: disable=import-error,no-name-in-module
import lit.util # pylint: disable=import-error,no-name-in-module
from libcxx.test.format import LibcxxTestFormat
from libcxx.compiler import CXXCompiler
from libcxx.test.target_info import make_target_info
from libcxx.test.executor import *
from libcxx.test.tracing import *
def loadSiteConfig(lit_config, config, param_name, env_name):
# We haven't loaded the site specific configuration (the user is
# probably trying to run on a test file directly, and either the site
# configuration hasn't been created by the build system, or we are in an
# out-of-tree build situation).
site_cfg = lit_config.params.get(param_name,
os.environ.get(env_name))
if not site_cfg:
lit_config.warning('No site specific configuration file found!'
' Running the tests in the default configuration.')
elif not os.path.isfile(site_cfg):
lit_config.fatal(
"Specified site configuration file does not exist: '%s'" %
site_cfg)
else:
lit_config.note('using site specific configuration at %s' % site_cfg)
ld_fn = lit_config.load_config
# Null out the load_config function so that lit.site.cfg doesn't
# recursively load a config even if it tries.
# TODO: This is one hell of a hack. Fix it.
def prevent_reload_fn(*args, **kwargs):
pass
lit_config.load_config = prevent_reload_fn
ld_fn(config, site_cfg)
lit_config.load_config = ld_fn
class Configuration(object):
# pylint: disable=redefined-outer-name
def __init__(self, lit_config, config):
self.lit_config = lit_config
self.config = config
self.is_windows = platform.system() == 'Windows'
self.cxx = None
self.cxx_is_clang_cl = None
self.cxx_stdlib_under_test = None
self.project_obj_root = None
self.libcxx_src_root = None
self.libcxx_obj_root = None
self.cxx_library_root = None
self.cxx_runtime_root = None
self.abi_library_root = None
self.link_shared = self.get_lit_bool('enable_shared', default=True)
self.debug_build = self.get_lit_bool('debug_build', default=False)
self.exec_env = {}
self.use_target = False
self.use_system_cxx_lib = False
self.use_clang_verify = False
self.long_tests = None
self.execute_external = False
def get_lit_conf(self, name, default=None):
val = self.lit_config.params.get(name, None)
if val is None:
val = getattr(self.config, name, None)
if val is None:
val = default
return val
def get_lit_bool(self, name, default=None, env_var=None):
def check_value(value, var_name):
if value is None:
return default
if isinstance(value, bool):
return value
if not isinstance(value, str):
raise TypeError('expected bool or string')
if value.lower() in ('1', 'true'):
return True
if value.lower() in ('', '0', 'false'):
return False
self.lit_config.fatal(
"parameter '{}' should be true or false".format(var_name))
conf_val = self.get_lit_conf(name)
if env_var is not None and env_var in os.environ and \
os.environ[env_var] is not None:
val = os.environ[env_var]
if conf_val is not None:
self.lit_config.warning(
'Environment variable %s=%s is overriding explicit '
'--param=%s=%s' % (env_var, val, name, conf_val))
return check_value(val, env_var)
return check_value(conf_val, name)
def make_static_lib_name(self, name):
"""Return the full filename for the specified library name"""
if self.is_windows:
return name + '.lib'
else:
return 'lib' + name + '.a'
def configure(self):
self.configure_executor()
self.configure_target_info()
self.configure_cxx()
self.configure_triple()
self.configure_src_root()
self.configure_obj_root()
self.configure_cxx_stdlib_under_test()
self.configure_cxx_library_root()
self.configure_use_system_cxx_lib()
self.configure_use_clang_verify()
self.configure_use_thread_safety()
self.configure_execute_external()
self.configure_ccache()
self.configure_compile_flags()
self.configure_filesystem_compile_flags()
self.configure_link_flags()
self.configure_env()
self.configure_color_diagnostics()
self.configure_debug_mode()
self.configure_warnings()
self.configure_sanitizer()
self.configure_coverage()
self.configure_modules()
self.configure_substitutions()
self.configure_features()
def print_config_info(self):
# Print the final compile and link flags.
self.lit_config.note('Using compiler: %s' % self.cxx.path)
self.lit_config.note('Using flags: %s' % self.cxx.flags)
if self.cxx.use_modules:
self.lit_config.note('Using modules flags: %s' %
self.cxx.modules_flags)
self.lit_config.note('Using compile flags: %s'
% self.cxx.compile_flags)
if len(self.cxx.warning_flags):
self.lit_config.note('Using warnings: %s' % self.cxx.warning_flags)
self.lit_config.note('Using link flags: %s' % self.cxx.link_flags)
# Print as list to prevent "set([...])" from being printed.
self.lit_config.note('Using available_features: %s' %
list(self.config.available_features))
self.lit_config.note('Using environment: %r' % self.exec_env)
sys.stderr.flush() # Force flushing to avoid broken output on Windows
def get_test_format(self):
return LibcxxTestFormat(
self.cxx,
self.use_clang_verify,
self.execute_external,
self.executor,
exec_env=self.exec_env)
def configure_executor(self):
exec_str = self.get_lit_conf('executor', "None")
te = eval(exec_str)
if te:
self.lit_config.note("Using executor: %r" % exec_str)
if self.lit_config.useValgrind:
# We have no way of knowing where in the chain the
# ValgrindExecutor is supposed to go. It is likely
# that the user wants it at the end, but we have no
# way of getting at that easily.
selt.lit_config.fatal("Cannot infer how to create a Valgrind "
" executor.")
else:
te = LocalExecutor()
if self.lit_config.useValgrind:
te = ValgrindExecutor(self.lit_config.valgrindArgs, te)
self.executor = te
def configure_target_info(self):
self.target_info = make_target_info(self)
def configure_cxx(self):
# Gather various compiler parameters.
cxx = self.get_lit_conf('cxx_under_test')
self.cxx_is_clang_cl = cxx is not None and \
os.path.basename(cxx) == 'clang-cl.exe'
# If no specific cxx_under_test was given, attempt to infer it as
# clang++.
if cxx is None or self.cxx_is_clang_cl:
clangxx = lit.util.which('clang++',
self.config.environment['PATH'])
if clangxx:
cxx = clangxx
self.lit_config.note(
"inferred cxx_under_test as: %r" % cxx)
elif self.cxx_is_clang_cl:
self.lit_config.fatal('Failed to find clang++ substitution for'
' clang-cl')
if not cxx:
self.lit_config.fatal('must specify user parameter cxx_under_test '
'(e.g., --param=cxx_under_test=clang++)')
self.cxx = CXXCompiler(cxx) if not self.cxx_is_clang_cl else \
self._configure_clang_cl(cxx)
cxx_type = self.cxx.type
if cxx_type is not None:
assert self.cxx.version is not None
maj_v, min_v, _ = self.cxx.version
self.config.available_features.add(cxx_type)
self.config.available_features.add('%s-%s' % (cxx_type, maj_v))
self.config.available_features.add('%s-%s.%s' % (
cxx_type, maj_v, min_v))
self.cxx.compile_env = dict(os.environ)
# 'CCACHE_CPP2' prevents ccache from stripping comments while
# preprocessing. This is required to prevent stripping of '-verify'
# comments.
self.cxx.compile_env['CCACHE_CPP2'] = '1'
def _configure_clang_cl(self, clang_path):
assert self.cxx_is_clang_cl
flags = []
compile_flags = []
link_flags = []
if 'INCLUDE' in os.environ:
compile_flags += ['-isystem %s' % p.strip()
for p in os.environ['INCLUDE'].split(';')
if p.strip()]
if 'LIB' in os.environ:
for p in os.environ['LIB'].split(';'):
p = p.strip()
if not p:
continue
link_flags += ['-L%s' % p]
self.add_path(self.exec_env, p)
return CXXCompiler(clang_path, flags=flags,
compile_flags=compile_flags,
link_flags=link_flags)
def configure_src_root(self):
self.libcxx_src_root = self.get_lit_conf(
'libcxx_src_root', os.path.dirname(self.config.test_source_root))
def configure_obj_root(self):
self.project_obj_root = self.get_lit_conf('project_obj_root')
self.libcxx_obj_root = self.get_lit_conf('libcxx_obj_root')
if not self.libcxx_obj_root and self.project_obj_root is not None:
possible_root = os.path.join(self.project_obj_root, 'projects', 'libcxx')
if os.path.isdir(possible_root):
self.libcxx_obj_root = possible_root
else:
self.libcxx_obj_root = self.project_obj_root
def configure_cxx_library_root(self):
self.cxx_library_root = self.get_lit_conf('cxx_library_root',
self.libcxx_obj_root)
self.cxx_runtime_root = self.get_lit_conf('cxx_runtime_root',
self.cxx_library_root)
def configure_use_system_cxx_lib(self):
# This test suite supports testing against either the system library or
# the locally built one; the former mode is useful for testing ABI
# compatibility between the current headers and a shipping dynamic
# library.
self.use_system_cxx_lib = self.get_lit_bool('use_system_cxx_lib')
if self.use_system_cxx_lib is None:
# Default to testing against the locally built libc++ library.
self.use_system_cxx_lib = False
self.lit_config.note(
"inferred use_system_cxx_lib as: %r" % self.use_system_cxx_lib)
def configure_cxx_stdlib_under_test(self):
self.cxx_stdlib_under_test = self.get_lit_conf(
'cxx_stdlib_under_test', 'libc++')
if self.cxx_stdlib_under_test not in \
['libc++', 'libstdc++', 'msvc', 'cxx_default']:
self.lit_config.fatal(
'unsupported value for "cxx_stdlib_under_test": %s'
% self.cxx_stdlib_under_test)
self.config.available_features.add(self.cxx_stdlib_under_test)
if self.cxx_stdlib_under_test == 'libstdc++':
self.config.available_features.add('libstdc++')
# Manually enable the experimental and filesystem tests for libstdc++
# if the options aren't present.
# FIXME this is a hack.
if self.get_lit_conf('enable_experimental') is None:
self.config.enable_experimental = 'true'
if self.get_lit_conf('enable_filesystem') is None:
self.config.enable_filesystem = 'true'
def configure_use_clang_verify(self):
'''If set, run clang with -verify on failing tests.'''
self.use_clang_verify = self.get_lit_bool('use_clang_verify')
if self.use_clang_verify is None:
# NOTE: We do not test for the -verify flag directly because
# -verify will always exit with non-zero on an empty file.
self.use_clang_verify = self.cxx.isVerifySupported()
if self.use_clang_verify:
self.config.available_features.add('verify-support')
self.lit_config.note(
"inferred use_clang_verify as: %r" % self.use_clang_verify)
def configure_use_thread_safety(self):
'''If set, run clang with -verify on failing tests.'''
has_thread_safety = self.cxx.hasCompileFlag('-Werror=thread-safety')
if has_thread_safety:
self.cxx.compile_flags += ['-Werror=thread-safety']
self.config.available_features.add('thread-safety')
self.lit_config.note("enabling thread-safety annotations")
def configure_execute_external(self):
# Choose between lit's internal shell pipeline runner and a real shell.
# If LIT_USE_INTERNAL_SHELL is in the environment, we use that as the
# default value. Otherwise we ask the target_info.
use_lit_shell_default = os.environ.get('LIT_USE_INTERNAL_SHELL')
if use_lit_shell_default is not None:
use_lit_shell_default = use_lit_shell_default != '0'
else:
use_lit_shell_default = self.target_info.use_lit_shell_default()
# Check for the command line parameter using the default value if it is
# not present.
use_lit_shell = self.get_lit_bool('use_lit_shell',
use_lit_shell_default)
self.execute_external = not use_lit_shell
def configure_ccache(self):
use_ccache_default = os.environ.get('LIBCXX_USE_CCACHE') is not None
use_ccache = self.get_lit_bool('use_ccache', use_ccache_default)
if use_ccache:
self.cxx.use_ccache = True
self.lit_config.note('enabling ccache')
def configure_features(self):
additional_features = self.get_lit_conf('additional_features')
if additional_features:
for f in additional_features.split(','):
self.config.available_features.add(f.strip())
self.target_info.add_locale_features(self.config.available_features)
target_platform = self.target_info.platform()
# Write an "available feature" that combines the triple when
# use_system_cxx_lib is enabled. This is so that we can easily write
# XFAIL markers for tests that are known to fail with versions of
# libc++ as were shipped with a particular triple.
if self.use_system_cxx_lib:
self.config.available_features.add('with_system_cxx_lib')
self.config.available_features.add(
'with_system_cxx_lib=%s' % self.config.target_triple)
# Insert the platform name into the available features as a lower case.
self.config.available_features.add(target_platform)
# Simulator testing can take a really long time for some of these tests
# so add a feature check so we can REQUIRES: long_tests in them
self.long_tests = self.get_lit_bool('long_tests')
if self.long_tests is None:
# Default to running long tests.
self.long_tests = True
self.lit_config.note(
"inferred long_tests as: %r" % self.long_tests)
if self.long_tests:
self.config.available_features.add('long_tests')
# Run a compile test for the -fsized-deallocation flag. This is needed
# in test/std/language.support/support.dynamic/new.delete
if self.cxx.hasCompileFlag('-fsized-deallocation'):
self.config.available_features.add('fsized-deallocation')
if self.cxx.hasCompileFlag('-faligned-allocation'):
self.config.available_features.add('-faligned-allocation')
else:
# FIXME remove this once more than just clang-4.0 support
# C++17 aligned allocation.
self.config.available_features.add('no-aligned-allocation')
if self.get_lit_bool('has_libatomic', False):
self.config.available_features.add('libatomic')
macros = self.cxx.dumpMacros()
if '__cpp_if_constexpr' not in macros:
self.config.available_features.add('libcpp-no-if-constexpr')
if '__cpp_structured_bindings' not in macros:
self.config.available_features.add('libcpp-no-structured-bindings')
if self.is_windows:
self.config.available_features.add('windows')
def configure_compile_flags(self):
no_default_flags = self.get_lit_bool('no_default_flags', False)
if not no_default_flags:
self.configure_default_compile_flags()
# This include is always needed so add so add it regardless of
# 'no_default_flags'.
support_path = os.path.join(self.libcxx_src_root, 'test/support')
self.cxx.compile_flags += ['-I' + support_path]
# Configure extra flags
compile_flags_str = self.get_lit_conf('compile_flags', '')
self.cxx.compile_flags += shlex.split(compile_flags_str)
# FIXME: Can we remove this?
if self.is_windows:
self.cxx.compile_flags += ['-D_CRT_SECURE_NO_WARNINGS']
def configure_default_compile_flags(self):
# Try and get the std version from the command line. Fall back to
# default given in lit.site.cfg is not present. If default is not
# present then force c++11.
std = self.get_lit_conf('std')
if not std:
# Choose the newest possible language dialect if none is given.
possible_stds = ['c++1z', 'c++14', 'c++11', 'c++03']
if self.cxx.type == 'gcc':
maj_v, _, _ = self.cxx.version
maj_v = int(maj_v)
if maj_v < 7:
possible_stds.remove('c++1z')
# FIXME: How many C++14 tests actually fail under GCC 5 and 6?
# Should we XFAIL them individually instead?
if maj_v <= 6:
possible_stds.remove('c++14')
for s in possible_stds:
if self.cxx.hasCompileFlag('-std=%s' % s):
std = s
self.lit_config.note(
'inferred language dialect as: %s' % std)
break
if not std:
self.lit_config.fatal(
'Failed to infer a supported language dialect from one of %r'
% possible_stds)
self.cxx.compile_flags += ['-std={0}'.format(std)]
self.config.available_features.add(std.replace('gnu++', 'c++'))
# Configure include paths
self.configure_compile_flags_header_includes()
self.target_info.add_cxx_compile_flags(self.cxx.compile_flags)
# Configure feature flags.
self.configure_compile_flags_exceptions()
self.configure_compile_flags_rtti()
self.configure_compile_flags_abi_version()
enable_32bit = self.get_lit_bool('enable_32bit', False)
if enable_32bit:
self.cxx.flags += ['-m32']
# Use verbose output for better errors
self.cxx.flags += ['-v']
sysroot = self.get_lit_conf('sysroot')
if sysroot:
self.cxx.flags += ['--sysroot', sysroot]
gcc_toolchain = self.get_lit_conf('gcc_toolchain')
if gcc_toolchain:
self.cxx.flags += ['-gcc-toolchain', gcc_toolchain]
if self.use_target:
if not self.cxx.addFlagIfSupported(
['-target', self.config.target_triple]):
self.lit_config.warning('use_target is true but -target is '\
'not supported by the compiler')
if self.is_windows and self.debug_build:
self.cxx.compile_flags += ['-D_DEBUG']
def configure_compile_flags_header_includes(self):
support_path = os.path.join(self.libcxx_src_root, 'test', 'support')
if self.cxx_stdlib_under_test != 'libstdc++' and \
not self.is_windows:
self.cxx.compile_flags += [
'-include', os.path.join(support_path, 'nasty_macros.hpp')]
if self.cxx_stdlib_under_test == 'msvc':
self.cxx.compile_flags += [
'-include', os.path.join(support_path,
'msvc_stdlib_force_include.hpp')]
pass
if self.is_windows and self.debug_build and \
self.cxx_stdlib_under_test != 'msvc':
self.cxx.compile_flags += [
'-include', os.path.join(support_path,
'set_windows_crt_report_mode.h')
]
self.configure_config_site_header()
cxx_headers = self.get_lit_conf('cxx_headers')
if cxx_headers == '' or (cxx_headers is None
and self.cxx_stdlib_under_test != 'libc++'):
self.lit_config.note('using the system cxx headers')
return
self.cxx.compile_flags += ['-nostdinc++']
if cxx_headers is None:
cxx_headers = os.path.join(self.libcxx_src_root, 'include')
if not os.path.isdir(cxx_headers):
self.lit_config.fatal("cxx_headers='%s' is not a directory."
% cxx_headers)
self.cxx.compile_flags += ['-I' + cxx_headers]
if self.libcxx_obj_root is not None:
cxxabi_headers = os.path.join(self.libcxx_obj_root, 'include',
'c++build')
if os.path.isdir(cxxabi_headers):
self.cxx.compile_flags += ['-I' + cxxabi_headers]
def configure_config_site_header(self):
# Check for a possible __config_site in the build directory. We
# use this if it exists.
if self.libcxx_obj_root is None:
return
config_site_header = os.path.join(self.libcxx_obj_root, '__config_site')
if not os.path.isfile(config_site_header):
return
contained_macros = self.parse_config_site_and_add_features(
config_site_header)
self.lit_config.note('Using __config_site header %s with macros: %r'
% (config_site_header, contained_macros))
# FIXME: This must come after the call to
# 'parse_config_site_and_add_features(...)' in order for it to work.
self.cxx.compile_flags += ['-include', config_site_header]
def parse_config_site_and_add_features(self, header):
""" parse_config_site_and_add_features - Deduce and add the test
features that that are implied by the #define's in the __config_site
header. Return a dictionary containing the macros found in the
'__config_site' header.
"""
# Parse the macro contents of __config_site by dumping the macros
# using 'c++ -dM -E' and filtering the predefines.
predefines = self.cxx.dumpMacros()
macros = self.cxx.dumpMacros(header)
feature_macros_keys = set(macros.keys()) - set(predefines.keys())
feature_macros = {}
for k in feature_macros_keys:
feature_macros[k] = macros[k]
# We expect the header guard to be one of the definitions
assert '_LIBCPP_CONFIG_SITE' in feature_macros
del feature_macros['_LIBCPP_CONFIG_SITE']
# The __config_site header should be non-empty. Otherwise it should
# have never been emitted by CMake.
assert len(feature_macros) > 0
# Transform each macro name into the feature name used in the tests.
# Ex. _LIBCPP_HAS_NO_THREADS -> libcpp-has-no-threads
for m in feature_macros:
if m == '_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS':
continue
if m == '_LIBCPP_ABI_VERSION':
self.config.available_features.add('libcpp-abi-version-v%s'
% feature_macros[m])
continue
assert m.startswith('_LIBCPP_HAS_') or m == '_LIBCPP_ABI_UNSTABLE'
m = m.lower()[1:].replace('_', '-')
self.config.available_features.add(m)
return feature_macros
def configure_compile_flags_exceptions(self):
enable_exceptions = self.get_lit_bool('enable_exceptions', True)
if not enable_exceptions:
self.config.available_features.add('libcpp-no-exceptions')
self.cxx.compile_flags += ['-fno-exceptions']
def configure_compile_flags_rtti(self):
enable_rtti = self.get_lit_bool('enable_rtti', True)
if not enable_rtti:
self.config.available_features.add('libcpp-no-rtti')
self.cxx.compile_flags += ['-fno-rtti', '-D_LIBCPP_NO_RTTI']
def configure_compile_flags_abi_version(self):
abi_version = self.get_lit_conf('abi_version', '').strip()
abi_unstable = self.get_lit_bool('abi_unstable')
# Only add the ABI version when it is non-default.
# FIXME(EricWF): Get the ABI version from the "__config_site".
if abi_version and abi_version != '1':
self.cxx.compile_flags += ['-D_LIBCPP_ABI_VERSION=' + abi_version]
if abi_unstable:
self.config.available_features.add('libcpp-abi-unstable')
self.cxx.compile_flags += ['-D_LIBCPP_ABI_UNSTABLE']
def configure_filesystem_compile_flags(self):
enable_fs = self.get_lit_bool('enable_filesystem', default=False)
if not enable_fs:
return
enable_experimental = self.get_lit_bool('enable_experimental', default=False)
if not enable_experimental:
self.lit_config.fatal(
'filesystem is enabled but libc++experimental.a is not.')
self.config.available_features.add('c++filesystem')
static_env = os.path.join(self.libcxx_src_root, 'test', 'std',
'experimental', 'filesystem', 'Inputs', 'static_test_env')
static_env = os.path.realpath(static_env)
assert os.path.isdir(static_env)
self.cxx.compile_flags += ['-DLIBCXX_FILESYSTEM_STATIC_TEST_ROOT="%s"' % static_env]
dynamic_env = os.path.join(self.config.test_exec_root,
'filesystem', 'Output', 'dynamic_env')
dynamic_env = os.path.realpath(dynamic_env)
if not os.path.isdir(dynamic_env):
os.makedirs(dynamic_env)
self.cxx.compile_flags += ['-DLIBCXX_FILESYSTEM_DYNAMIC_TEST_ROOT="%s"' % dynamic_env]
self.exec_env['LIBCXX_FILESYSTEM_DYNAMIC_TEST_ROOT'] = ("%s" % dynamic_env)
dynamic_helper = os.path.join(self.libcxx_src_root, 'test', 'support',
'filesystem_dynamic_test_helper.py')
assert os.path.isfile(dynamic_helper)
self.cxx.compile_flags += ['-DLIBCXX_FILESYSTEM_DYNAMIC_TEST_HELPER="%s %s"'
% (sys.executable, dynamic_helper)]
def configure_link_flags(self):
no_default_flags = self.get_lit_bool('no_default_flags', False)
if not no_default_flags:
# Configure library path
self.configure_link_flags_cxx_library_path()
self.configure_link_flags_abi_library_path()
# Configure libraries
if self.cxx_stdlib_under_test == 'libc++':
self.cxx.link_flags += ['-nodefaultlibs']
# FIXME: Handle MSVCRT as part of the ABI library handling.
if self.is_windows:
self.cxx.link_flags += ['-nostdlib']
self.configure_link_flags_cxx_library()
self.configure_link_flags_abi_library()
self.configure_extra_library_flags()
elif self.cxx_stdlib_under_test == 'libstdc++':
enable_fs = self.get_lit_bool('enable_filesystem',
default=False)
if enable_fs:
self.config.available_features.add('c++experimental')
self.cxx.link_flags += ['-lstdc++fs']
self.cxx.link_flags += ['-lm', '-pthread']
elif self.cxx_stdlib_under_test == 'msvc':
# FIXME: Correctly setup debug/release flags here.
pass
elif self.cxx_stdlib_under_test == 'cxx_default':
self.cxx.link_flags += ['-pthread']
else:
self.lit_config.fatal(
'unsupported value for "use_stdlib_type": %s'
% use_stdlib_type)
link_flags_str = self.get_lit_conf('link_flags', '')
self.cxx.link_flags += shlex.split(link_flags_str)
def configure_link_flags_cxx_library_path(self):
if not self.use_system_cxx_lib:
if self.cxx_library_root:
self.cxx.link_flags += ['-L' + self.cxx_library_root]
if self.is_windows and self.link_shared:
self.add_path(self.cxx.compile_env, self.cxx_library_root)
if self.cxx_runtime_root:
if not self.is_windows:
self.cxx.link_flags += ['-Wl,-rpath,' +
self.cxx_runtime_root]
elif self.is_windows and self.link_shared:
self.add_path(self.exec_env, self.cxx_runtime_root)
def configure_link_flags_abi_library_path(self):
# Configure ABI library paths.
self.abi_library_root = self.get_lit_conf('abi_library_path')
if self.abi_library_root:
self.cxx.link_flags += ['-L' + self.abi_library_root]
if not self.is_windows:
self.cxx.link_flags += ['-Wl,-rpath,' + self.abi_library_root]
else:
self.add_path(self.exec_env, self.abi_library_root)
def configure_link_flags_cxx_library(self):
libcxx_experimental = self.get_lit_bool('enable_experimental', default=False)
if libcxx_experimental:
self.config.available_features.add('c++experimental')
self.cxx.link_flags += ['-lc++experimental']
if self.link_shared:
self.cxx.link_flags += ['-lc++']
else:
cxx_library_root = self.get_lit_conf('cxx_library_root')
if cxx_library_root:
libname = self.make_static_lib_name('c++')
abs_path = os.path.join(cxx_library_root, libname)
assert os.path.exists(abs_path) and \
"static libc++ library does not exist"
self.cxx.link_flags += [abs_path]
else:
self.cxx.link_flags += ['-lc++']
def configure_link_flags_abi_library(self):
cxx_abi = self.get_lit_conf('cxx_abi', 'libcxxabi')
if cxx_abi == 'libstdc++':
self.cxx.link_flags += ['-lstdc++']
elif cxx_abi == 'libsupc++':
self.cxx.link_flags += ['-lsupc++']
elif cxx_abi == 'libcxxabi':
if self.target_info.allow_cxxabi_link():
libcxxabi_shared = self.get_lit_bool('libcxxabi_shared', default=True)
if libcxxabi_shared:
self.cxx.link_flags += ['-lc++abi']
else:
cxxabi_library_root = self.get_lit_conf('abi_library_path')
if cxxabi_library_root:
libname = self.make_static_lib_name('c++abi')
abs_path = os.path.join(cxxabi_library_root, libname)
self.cxx.link_flags += [abs_path]
else:
self.cxx.link_flags += ['-lc++abi']
elif cxx_abi == 'libcxxrt':
self.cxx.link_flags += ['-lcxxrt']
elif cxx_abi == 'vcruntime':
debug_suffix = 'd' if self.debug_build else ''
self.cxx.link_flags += ['-l%s%s' % (lib, debug_suffix) for lib in
['vcruntime', 'ucrt', 'msvcrt']]
elif cxx_abi == 'none' or cxx_abi == 'default':
if self.is_windows:
debug_suffix = 'd' if self.debug_build else ''
self.cxx.link_flags += ['-lmsvcrt%s' % debug_suffix]
else:
self.lit_config.fatal(
'C++ ABI setting %s unsupported for tests' % cxx_abi)
def configure_extra_library_flags(self):
if self.get_lit_bool('cxx_ext_threads', default=False):
self.cxx.link_flags += ['-lc++external_threads']
self.target_info.add_cxx_link_flags(self.cxx.link_flags)
def configure_color_diagnostics(self):
use_color = self.get_lit_conf('color_diagnostics')
if use_color is None:
use_color = os.environ.get('LIBCXX_COLOR_DIAGNOSTICS')
if use_color is None:
return
if use_color != '':
self.lit_config.fatal('Invalid value for color_diagnostics "%s".'
% use_color)
color_flag = '-fdiagnostics-color=always'
# Check if the compiler supports the color diagnostics flag. Issue a
# warning if it does not since color diagnostics have been requested.
if not self.cxx.hasCompileFlag(color_flag):
self.lit_config.warning(
'color diagnostics have been requested but are not supported '
'by the compiler')
else:
self.cxx.flags += [color_flag]
def configure_debug_mode(self):
debug_level = self.get_lit_conf('debug_level', None)
if not debug_level:
return
if debug_level not in ['0', '1']:
self.lit_config.fatal('Invalid value for debug_level "%s".'
% debug_level)
self.cxx.compile_flags += ['-D_LIBCPP_DEBUG=%s' % debug_level]
def configure_warnings(self):
# Turn on warnings by default for Clang based compilers when C++ >= 11
default_enable_warnings = self.cxx.type in ['clang', 'apple-clang'] \
and len(self.config.available_features.intersection(
['c++11', 'c++14', 'c++1z'])) != 0
enable_warnings = self.get_lit_bool('enable_warnings',
default_enable_warnings)
self.cxx.useWarnings(enable_warnings)
self.cxx.warning_flags += [
'-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER',
'-Wall', '-Wextra', '-Werror'
]
if self.cxx.hasWarningFlag('-Wuser-defined-warnings'):
self.cxx.warning_flags += ['-Wuser-defined-warnings']
self.config.available_features.add('diagnose-if-support')
self.cxx.addWarningFlagIfSupported('-Wshadow')
self.cxx.addWarningFlagIfSupported('-Wno-unused-command-line-argument')
self.cxx.addWarningFlagIfSupported('-Wno-attributes')
self.cxx.addWarningFlagIfSupported('-Wno-pessimizing-move')
self.cxx.addWarningFlagIfSupported('-Wno-c++11-extensions')
self.cxx.addWarningFlagIfSupported('-Wno-user-defined-literals')
# These warnings should be enabled in order to support the MSVC
# team using the test suite; They enable the warnings below and
# expect the test suite to be clean.
self.cxx.addWarningFlagIfSupported('-Wsign-compare')
self.cxx.addWarningFlagIfSupported('-Wunused-variable')
self.cxx.addWarningFlagIfSupported('-Wunused-parameter')
self.cxx.addWarningFlagIfSupported('-Wunreachable-code')
# FIXME: Enable the two warnings below.
self.cxx.addWarningFlagIfSupported('-Wno-conversion')
self.cxx.addWarningFlagIfSupported('-Wno-unused-local-typedef')
std = self.get_lit_conf('std', None)
if std in ['c++98', 'c++03']:
# The '#define static_assert' provided by libc++ in C++03 mode
# causes an unused local typedef whenever it is used.
self.cxx.addWarningFlagIfSupported('-Wno-unused-local-typedef')
def configure_sanitizer(self):
san = self.get_lit_conf('use_sanitizer', '').strip()
if san:
self.target_info.add_sanitizer_features(san, self.config.available_features)
# Search for llvm-symbolizer along the compiler path first
# and then along the PATH env variable.
symbolizer_search_paths = os.environ.get('PATH', '')
cxx_path = lit.util.which(self.cxx.path)
if cxx_path is not None:
symbolizer_search_paths = (
os.path.dirname(cxx_path) +
os.pathsep + symbolizer_search_paths)
llvm_symbolizer = lit.util.which('llvm-symbolizer',
symbolizer_search_paths)
def add_ubsan():
self.cxx.flags += ['-fsanitize=undefined',
'-fno-sanitize=vptr,function,float-divide-by-zero',
'-fno-sanitize-recover=all']
self.exec_env['UBSAN_OPTIONS'] = 'print_stacktrace=1'
self.config.available_features.add('ubsan')
# Setup the sanitizer compile flags
self.cxx.flags += ['-g', '-fno-omit-frame-pointer']
if san == 'Address' or san == 'Address;Undefined' or san == 'Undefined;Address':
self.cxx.flags += ['-fsanitize=address']
if llvm_symbolizer is not None:
self.exec_env['ASAN_SYMBOLIZER_PATH'] = llvm_symbolizer
# FIXME: Turn ODR violation back on after PR28391 is resolved
# https://llvm.org/bugs/show_bug.cgi?id=28391
self.exec_env['ASAN_OPTIONS'] = 'detect_odr_violation=0'
self.config.available_features.add('asan')
self.config.available_features.add('sanitizer-new-delete')
self.cxx.compile_flags += ['-O1']
if san == 'Address;Undefined' or san == 'Undefined;Address':
add_ubsan()
elif san == 'Memory' or san == 'MemoryWithOrigins':
self.cxx.flags += ['-fsanitize=memory']
if san == 'MemoryWithOrigins':
self.cxx.compile_flags += [
'-fsanitize-memory-track-origins']
if llvm_symbolizer is not None:
self.exec_env['MSAN_SYMBOLIZER_PATH'] = llvm_symbolizer
self.config.available_features.add('msan')
self.config.available_features.add('sanitizer-new-delete')
self.cxx.compile_flags += ['-O1']
elif san == 'Undefined':
add_ubsan()
self.cxx.compile_flags += ['-O2']
elif san == 'Thread':
self.cxx.flags += ['-fsanitize=thread']
self.config.available_features.add('tsan')
self.config.available_features.add('sanitizer-new-delete')
else:
self.lit_config.fatal('unsupported value for '
'use_sanitizer: {0}'.format(san))
san_lib = self.get_lit_conf('sanitizer_library')
if san_lib:
self.cxx.link_flags += [
san_lib, '-Wl,-rpath,%s' % os.path.dirname(san_lib)]
def configure_coverage(self):
self.generate_coverage = self.get_lit_bool('generate_coverage', False)
if self.generate_coverage:
self.cxx.flags += ['-g', '--coverage']
self.cxx.compile_flags += ['-O0']
def configure_modules(self):
modules_flags = ['-fmodules']
if platform.system() != 'Darwin':
modules_flags += ['-Xclang', '-fmodules-local-submodule-visibility']
supports_modules = self.cxx.hasCompileFlag(modules_flags)
enable_modules = self.get_lit_bool('enable_modules',
default=False,
env_var='LIBCXX_ENABLE_MODULES')
if enable_modules and not supports_modules:
self.lit_config.fatal(
'-fmodules is enabled but not supported by the compiler')
if not supports_modules:
return
self.config.available_features.add('modules-support')
module_cache = os.path.join(self.config.test_exec_root,
'modules.cache')
module_cache = os.path.realpath(module_cache)
if os.path.isdir(module_cache):
shutil.rmtree(module_cache)
os.makedirs(module_cache)
self.cxx.modules_flags = modules_flags + \
['-fmodules-cache-path=' + module_cache]
if enable_modules:
self.config.available_features.add('-fmodules')
self.cxx.useModules()
def configure_substitutions(self):
sub = self.config.substitutions
# Configure compiler substitutions
sub.append(('%cxx', self.cxx.path))
# Configure flags substitutions
flags_str = ' '.join([pipes.quote(f) for f in self.cxx.flags])
compile_flags_str = ' '.join([pipes.quote(f) for f in self.cxx.compile_flags])
link_flags_str = ' '.join([pipes.quote(f) for f in self.cxx.link_flags])
all_flags = '%s %s %s' % (flags_str, compile_flags_str, link_flags_str)
sub.append(('%flags', flags_str))
sub.append(('%compile_flags', compile_flags_str))
sub.append(('%link_flags', link_flags_str))
sub.append(('%all_flags', all_flags))
if self.cxx.isVerifySupported():
verify_str = ' ' + ' '.join(self.cxx.verify_flags) + ' '
sub.append(('%verify', verify_str))
# Add compile and link shortcuts
compile_str = (self.cxx.path + ' -o %t.o %s -c ' + flags_str
+ ' ' + compile_flags_str)
link_str = (self.cxx.path + ' -o %t.exe %t.o ' + flags_str + ' '
+ link_flags_str)
assert type(link_str) is str
build_str = self.cxx.path + ' -o %t.exe %s ' + all_flags
if self.cxx.use_modules:
sub.append(('%compile_module', compile_str))
sub.append(('%build_module', build_str))
elif self.cxx.modules_flags is not None:
modules_str = ' '.join(self.cxx.modules_flags) + ' '
sub.append(('%compile_module', compile_str + ' ' + modules_str))
sub.append(('%build_module', build_str + ' ' + modules_str))
sub.append(('%compile', compile_str))
sub.append(('%link', link_str))
sub.append(('%build', build_str))
# Configure exec prefix substitutions.
exec_env_str = ''
if not self.is_windows and len(self.exec_env) != 0:
exec_env_str = 'env '
for k, v in self.exec_env.items():
exec_env_str += ' %s=%s' % (k, v)
# Configure run env substitution.
exec_str = exec_env_str
if self.lit_config.useValgrind:
exec_str = ' '.join(self.lit_config.valgrindArgs) + exec_env_str
sub.append(('%exec', exec_str))
# Configure run shortcut
sub.append(('%run', exec_str + ' %t.exe'))
# Configure not program substitutions
not_py = os.path.join(self.libcxx_src_root, 'utils', 'not.py')
not_str = '%s %s ' % (sys.executable, not_py)
sub.append(('not ', not_str))
def configure_triple(self):
# Get or infer the target triple.
self.config.target_triple = self.get_lit_conf('target_triple')
self.use_target = self.get_lit_bool('use_target', False)
if self.use_target and self.config.target_triple:
self.lit_config.warning('use_target is true but no triple is specified')
# If no target triple was given, try to infer it from the compiler
# under test.
if not self.config.target_triple:
target_triple = self.cxx.getTriple()
# Drop sub-major version components from the triple, because the
# current XFAIL handling expects exact matches for feature checks.
# Example: x86_64-apple-darwin14.0.0 -> x86_64-apple-darwin14
# The 5th group handles triples greater than 3 parts
# (ex x86_64-pc-linux-gnu).
target_triple = re.sub(r'([^-]+)-([^-]+)-([^.]+)([^-]*)(.*)',
r'\1-\2-\3\5', target_triple)
# linux-gnu is needed in the triple to properly identify linuxes
# that use GLIBC. Handle redhat and opensuse triples as special
# cases and append the missing `-gnu` portion.
if (target_triple.endswith('redhat-linux') or
target_triple.endswith('suse-linux')):
target_triple += '-gnu'
self.config.target_triple = target_triple
self.lit_config.note(
"inferred target_triple as: %r" % self.config.target_triple)
def configure_env(self):
self.target_info.configure_env(self.exec_env)
def add_path(self, dest_env, new_path):
if 'PATH' not in dest_env:
dest_env['PATH'] = new_path
else:
split_char = ';' if self.is_windows else ':'
dest_env['PATH'] = '%s%s%s' % (new_path, split_char,
dest_env['PATH'])

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@@ -1,223 +0,0 @@
#===----------------------------------------------------------------------===##
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===##
import platform
import os
from libcxx.test import tracing
from lit.util import executeCommand # pylint: disable=import-error
class Executor(object):
def run(self, exe_path, cmd, local_cwd, file_deps=None, env=None):
"""Execute a command.
Be very careful not to change shared state in this function.
Executor objects are shared between python processes in `lit -jN`.
Args:
exe_path: str: Local path to the executable to be run
cmd: [str]: subprocess.call style command
local_cwd: str: Local path to the working directory
file_deps: [str]: Files required by the test
env: {str: str}: Environment variables to execute under
Returns:
cmd, out, err, exitCode
"""
raise NotImplementedError
class LocalExecutor(Executor):
def __init__(self):
super(LocalExecutor, self).__init__()
self.is_windows = platform.system() == 'Windows'
def run(self, exe_path, cmd=None, work_dir='.', file_deps=None, env=None):
cmd = cmd or [exe_path]
env_cmd = []
if env:
env_cmd += ['env']
env_cmd += ['%s=%s' % (k, v) for k, v in env.items()]
if work_dir == '.':
work_dir = os.getcwd()
if not self.is_windows:
out, err, rc = executeCommand(env_cmd + cmd, cwd=work_dir)
else:
out, err, rc = executeCommand(cmd, cwd=work_dir,
env=self._build_windows_env(env))
return (env_cmd + cmd, out, err, rc)
def _build_windows_env(self, exec_env):
# FIXME: Finding Windows DLL's at runtime requires modifying the
# PATH environment variables. However we don't want to print out
# the entire PATH as part of the diagnostic for every failing test.
# Therefore this hack builds a new executable environment that
# merges the current environment and the supplied environment while
# still only printing the supplied environment in diagnostics.
if not self.is_windows or exec_env is None:
return None
new_env = dict(os.environ)
for key, value in exec_env.items():
if key == 'PATH':
assert value.strip() != '' and "expected non-empty path"
new_env['PATH'] = "%s;%s" % (value, os.environ['PATH'])
else:
new_env[key] = value
return new_env
class PrefixExecutor(Executor):
"""Prefix an executor with some other command wrapper.
Most useful for setting ulimits on commands, or running an emulator like
qemu and valgrind.
"""
def __init__(self, commandPrefix, chain):
super(PrefixExecutor, self).__init__()
self.commandPrefix = commandPrefix
self.chain = chain
def run(self, exe_path, cmd=None, work_dir='.', file_deps=None, env=None):
cmd = cmd or [exe_path]
return self.chain.run(exe_path, self.commandPrefix + cmd, work_dir,
file_deps, env=env)
class PostfixExecutor(Executor):
"""Postfix an executor with some args."""
def __init__(self, commandPostfix, chain):
super(PostfixExecutor, self).__init__()
self.commandPostfix = commandPostfix
self.chain = chain
def run(self, exe_path, cmd=None, work_dir='.', file_deps=None, env=None):
cmd = cmd or [exe_path]
return self.chain.run(cmd + self.commandPostfix, work_dir, file_deps,
env=env)
class TimeoutExecutor(PrefixExecutor):
"""Execute another action under a timeout.
Deprecated. http://reviews.llvm.org/D6584 adds timeouts to LIT.
"""
def __init__(self, duration, chain):
super(TimeoutExecutor, self).__init__(
['timeout', duration], chain)
class RemoteExecutor(Executor):
def __init__(self):
self.local_run = executeCommand
def remote_temp_dir(self):
return self._remote_temp(True)
def remote_temp_file(self):
return self._remote_temp(False)
def _remote_temp(self, is_dir):
raise NotImplementedError()
def copy_in(self, local_srcs, remote_dsts):
# This could be wrapped up in a tar->scp->untar for performance
# if there are lots of files to be copied/moved
for src, dst in zip(local_srcs, remote_dsts):
self._copy_in_file(src, dst)
def _copy_in_file(self, src, dst):
raise NotImplementedError()
def delete_remote(self, remote):
try:
self._execute_command_remote(['rm', '-rf', remote])
except OSError:
# TODO: Log failure to delete?
pass
def run(self, exe_path, cmd=None, work_dir='.', file_deps=None, env=None):
target_exe_path = None
target_cwd = None
try:
target_cwd = self.remote_temp_dir()
target_exe_path = os.path.join(target_cwd, 'libcxx_test.exe')
if cmd:
# Replace exe_path with target_exe_path.
cmd = [c if c != exe_path else target_exe_path for c in cmd]
else:
cmd = [target_exe_path]
srcs = [exe_path]
dsts = [target_exe_path]
if file_deps is not None:
dev_paths = [os.path.join(target_cwd, os.path.basename(f))
for f in file_deps]
srcs.extend(file_deps)
dsts.extend(dev_paths)
self.copy_in(srcs, dsts)
# TODO(jroelofs): capture the copy_in and delete_remote commands,
# and conjugate them with '&&'s around the first tuple element
# returned here:
return self._execute_command_remote(cmd, target_cwd, env)
finally:
if target_cwd:
self.delete_remote(target_cwd)
def _execute_command_remote(self, cmd, remote_work_dir='.', env=None):
raise NotImplementedError()
class SSHExecutor(RemoteExecutor):
def __init__(self, host, username=None):
super(SSHExecutor, self).__init__()
self.user_prefix = username + '@' if username else ''
self.host = host
self.scp_command = 'scp'
self.ssh_command = 'ssh'
# TODO(jroelofs): switch this on some -super-verbose-debug config flag
if False:
self.local_run = tracing.trace_function(
self.local_run, log_calls=True, log_results=True,
label='ssh_local')
def _remote_temp(self, is_dir):
# TODO: detect what the target system is, and use the correct
# mktemp command for it. (linux and darwin differ here, and I'm
# sure windows has another way to do it)
# Not sure how to do suffix on osx yet
dir_arg = '-d' if is_dir else ''
cmd = 'mktemp -q {} /tmp/libcxx.XXXXXXXXXX'.format(dir_arg)
temp_path, err, exitCode = self._execute_command_remote([cmd])
temp_path = temp_path.strip()
if exitCode != 0:
raise RuntimeError(err)
return temp_path
def _copy_in_file(self, src, dst):
scp = self.scp_command
remote = self.host
remote = self.user_prefix + remote
cmd = [scp, '-p', src, remote + ':' + dst]
self.local_run(cmd)
def _execute_command_remote(self, cmd, remote_work_dir='.', env=None):
remote = self.user_prefix + self.host
ssh_cmd = [self.ssh_command, '-oBatchMode=yes', remote]
if env:
env_cmd = ['env'] + ['%s=%s' % (k, v) for k, v in env.items()]
else:
env_cmd = []
remote_cmd = ' '.join(env_cmd + cmd)
if remote_work_dir != '.':
remote_cmd = 'cd ' + remote_work_dir + ' && ' + remote_cmd
return self.local_run(ssh_cmd + [remote_cmd])

View File

@@ -1,240 +0,0 @@
#===----------------------------------------------------------------------===##
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===##
import copy
import errno
import os
import time
import random
import lit.Test # pylint: disable=import-error
import lit.TestRunner # pylint: disable=import-error
from lit.TestRunner import ParserKind, IntegratedTestKeywordParser \
# pylint: disable=import-error
import lit.util # pylint: disable=import-error
from libcxx.test.executor import LocalExecutor as LocalExecutor
import libcxx.util
class LibcxxTestFormat(object):
"""
Custom test format handler for use with the test format use by libc++.
Tests fall into two categories:
FOO.pass.cpp - Executable test which should compile, run, and exit with
code 0.
FOO.fail.cpp - Negative test case which is expected to fail compilation.
FOO.sh.cpp - A test that uses LIT's ShTest format.
"""
def __init__(self, cxx, use_verify_for_fail, execute_external,
executor, exec_env):
self.cxx = copy.deepcopy(cxx)
self.use_verify_for_fail = use_verify_for_fail
self.execute_external = execute_external
self.executor = executor
self.exec_env = dict(exec_env)
@staticmethod
def _make_custom_parsers():
return [
IntegratedTestKeywordParser('FLAKY_TEST.', ParserKind.TAG,
initial_value=False),
IntegratedTestKeywordParser('MODULES_DEFINES:', ParserKind.LIST,
initial_value=[])
]
@staticmethod
def _get_parser(key, parsers):
for p in parsers:
if p.keyword == key:
return p
assert False and "parser not found"
# TODO: Move this into lit's FileBasedTest
def getTestsInDirectory(self, testSuite, path_in_suite,
litConfig, localConfig):
source_path = testSuite.getSourcePath(path_in_suite)
for filename in os.listdir(source_path):
# Ignore dot files and excluded tests.
if filename.startswith('.') or filename in localConfig.excludes:
continue
filepath = os.path.join(source_path, filename)
if not os.path.isdir(filepath):
if any([filename.endswith(ext)
for ext in localConfig.suffixes]):
yield lit.Test.Test(testSuite, path_in_suite + (filename,),
localConfig)
def execute(self, test, lit_config):
while True:
try:
return self._execute(test, lit_config)
except OSError as oe:
if oe.errno != errno.ETXTBSY:
raise
time.sleep(0.1)
def _execute(self, test, lit_config):
name = test.path_in_suite[-1]
name_root, name_ext = os.path.splitext(name)
is_libcxx_test = test.path_in_suite[0] == 'libcxx'
is_sh_test = name_root.endswith('.sh')
is_pass_test = name.endswith('.pass.cpp')
is_fail_test = name.endswith('.fail.cpp')
assert is_sh_test or name_ext == '.cpp', 'non-cpp file must be sh test'
if test.config.unsupported:
return (lit.Test.UNSUPPORTED,
"A lit.local.cfg marked this unsupported")
parsers = self._make_custom_parsers()
script = lit.TestRunner.parseIntegratedTestScript(
test, additional_parsers=parsers, require_script=is_sh_test)
# Check if a result for the test was returned. If so return that
# result.
if isinstance(script, lit.Test.Result):
return script
if lit_config.noExecute:
return lit.Test.Result(lit.Test.PASS)
# Check that we don't have run lines on tests that don't support them.
if not is_sh_test and len(script) != 0:
lit_config.fatal('Unsupported RUN line found in test %s' % name)
tmpDir, tmpBase = lit.TestRunner.getTempPaths(test)
substitutions = lit.TestRunner.getDefaultSubstitutions(test, tmpDir,
tmpBase)
script = lit.TestRunner.applySubstitutions(script, substitutions)
test_cxx = copy.deepcopy(self.cxx)
if is_fail_test:
test_cxx.useCCache(False)
test_cxx.useWarnings(False)
extra_modules_defines = self._get_parser('MODULES_DEFINES:',
parsers).getValue()
if '-fmodules' in test.config.available_features:
test_cxx.compile_flags += [('-D%s' % mdef.strip()) for
mdef in extra_modules_defines]
test_cxx.addWarningFlagIfSupported('-Wno-macro-redefined')
# FIXME: libc++ debug tests #define _LIBCPP_ASSERT to override it
# If we see this we need to build the test against uniquely built
# modules.
if is_libcxx_test:
with open(test.getSourcePath(), 'r') as f:
contents = f.read()
if '#define _LIBCPP_ASSERT' in contents:
test_cxx.useModules(False)
# Dispatch the test based on its suffix.
if is_sh_test:
if not isinstance(self.executor, LocalExecutor):
# We can't run ShTest tests with a executor yet.
# For now, bail on trying to run them
return lit.Test.UNSUPPORTED, 'ShTest format not yet supported'
test.config.enviroment = dict(self.exec_env)
return lit.TestRunner._runShTest(test, lit_config,
self.execute_external, script,
tmpBase)
elif is_fail_test:
return self._evaluate_fail_test(test, test_cxx, parsers)
elif is_pass_test:
return self._evaluate_pass_test(test, tmpBase, lit_config,
test_cxx, parsers)
else:
# No other test type is supported
assert False
def _clean(self, exec_path): # pylint: disable=no-self-use
libcxx.util.cleanFile(exec_path)
def _evaluate_pass_test(self, test, tmpBase, lit_config,
test_cxx, parsers):
execDir = os.path.dirname(test.getExecPath())
source_path = test.getSourcePath()
exec_path = tmpBase + '.exe'
object_path = tmpBase + '.o'
# Create the output directory if it does not already exist.
lit.util.mkdir_p(os.path.dirname(tmpBase))
try:
# Compile the test
cmd, out, err, rc = test_cxx.compileLinkTwoSteps(
source_path, out=exec_path, object_file=object_path,
cwd=execDir)
compile_cmd = cmd
if rc != 0:
report = libcxx.util.makeReport(cmd, out, err, rc)
report += "Compilation failed unexpectedly!"
return lit.Test.FAIL, report
# Run the test
local_cwd = os.path.dirname(source_path)
env = None
if self.exec_env:
env = self.exec_env
# TODO: Only list actually needed files in file_deps.
# Right now we just mark all of the .dat files in the same
# directory as dependencies, but it's likely less than that. We
# should add a `// FILE-DEP: foo.dat` to each test to track this.
data_files = [os.path.join(local_cwd, f)
for f in os.listdir(local_cwd) if f.endswith('.dat')]
is_flaky = self._get_parser('FLAKY_TEST.', parsers).getValue()
max_retry = 3 if is_flaky else 1
for retry_count in range(max_retry):
cmd, out, err, rc = self.executor.run(exec_path, [exec_path],
local_cwd, data_files,
env)
if rc == 0:
res = lit.Test.PASS if retry_count == 0 else lit.Test.FLAKYPASS
return res, ''
elif rc != 0 and retry_count + 1 == max_retry:
report = libcxx.util.makeReport(cmd, out, err, rc)
report = "Compiled With: %s\n%s" % (compile_cmd, report)
report += "Compiled test failed unexpectedly!"
return lit.Test.FAIL, report
assert False # Unreachable
finally:
# Note that cleanup of exec_file happens in `_clean()`. If you
# override this, cleanup is your reponsibility.
libcxx.util.cleanFile(object_path)
self._clean(exec_path)
def _evaluate_fail_test(self, test, test_cxx, parsers):
source_path = test.getSourcePath()
# FIXME: lift this detection into LLVM/LIT.
with open(source_path, 'r') as f:
contents = f.read()
verify_tags = ['expected-note', 'expected-remark', 'expected-warning',
'expected-error', 'expected-no-diagnostics']
use_verify = self.use_verify_for_fail and \
any([tag in contents for tag in verify_tags])
# FIXME(EricWF): GCC 5 does not evaluate static assertions that
# are dependant on a template parameter when '-fsyntax-only' is passed.
# This is fixed in GCC 6. However for now we only pass "-fsyntax-only"
# when using Clang.
if test_cxx.type != 'gcc':
test_cxx.flags += ['-fsyntax-only']
if use_verify:
test_cxx.useVerify()
test_cxx.useWarnings()
if '-Wuser-defined-warnings' in test_cxx.warning_flags:
test_cxx.warning_flags += ['-Wno-error=user-defined-warnings']
cmd, out, err, rc = test_cxx.compile(source_path, out=os.devnull)
expected_rc = 0 if use_verify else 1
if rc == expected_rc:
return lit.Test.PASS, ''
else:
report = libcxx.util.makeReport(cmd, out, err, rc)
report_msg = ('Expected compilation to fail!' if not use_verify else
'Expected compilation using verify to pass!')
return lit.Test.FAIL, report + report_msg + '\n'

View File

@@ -1,224 +0,0 @@
#===----------------------------------------------------------------------===//
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===//
import importlib
import lit.util # pylint: disable=import-error,no-name-in-module
import locale
import os
import platform
import sys
class DefaultTargetInfo(object):
def __init__(self, full_config):
self.full_config = full_config
def platform(self):
return sys.platform.lower().strip()
def add_locale_features(self, features):
self.full_config.lit_config.warning(
"No locales entry for target_system: %s" % self.platform())
def add_cxx_compile_flags(self, flags): pass
def add_cxx_link_flags(self, flags): pass
def configure_env(self, env): pass
def allow_cxxabi_link(self): return True
def add_sanitizer_features(self, sanitizer_type, features): pass
def use_lit_shell_default(self): return False
def test_locale(loc):
assert loc is not None
default_locale = locale.setlocale(locale.LC_ALL)
try:
locale.setlocale(locale.LC_ALL, loc)
return True
except locale.Error:
return False
finally:
locale.setlocale(locale.LC_ALL, default_locale)
def add_common_locales(features, lit_config):
# A list of locales needed by the test-suite.
# The list uses the canonical name for the locale used in the test-suite
# TODO: On Linux ISO8859 *may* needs to hyphenated.
locales = [
'en_US.UTF-8',
'fr_FR.UTF-8',
'ru_RU.UTF-8',
'zh_CN.UTF-8',
'fr_CA.ISO8859-1',
'cs_CZ.ISO8859-2'
]
for loc in locales:
if test_locale(loc):
features.add('locale.{0}'.format(loc))
else:
lit_config.warning('The locale {0} is not supported by '
'your platform. Some tests will be '
'unsupported.'.format(loc))
class DarwinLocalTI(DefaultTargetInfo):
def __init__(self, full_config):
super(DarwinLocalTI, self).__init__(full_config)
def add_locale_features(self, features):
add_common_locales(features, self.full_config.lit_config)
def add_cxx_compile_flags(self, flags):
try:
out = lit.util.capture(['xcrun', '--show-sdk-path']).strip()
res = 0
except OSError:
res = -1
if res == 0 and out:
sdk_path = out
self.full_config.lit_config.note('using SDKROOT: %r' % sdk_path)
flags += ["-isysroot", sdk_path]
def add_cxx_link_flags(self, flags):
flags += ['-lSystem']
def configure_env(self, env):
library_paths = []
# Configure the library path for libc++
if self.full_config.use_system_cxx_lib:
pass
elif self.full_config.cxx_runtime_root:
library_paths += [self.full_config.cxx_runtime_root]
# Configure the abi library path
if self.full_config.abi_library_root:
library_paths += [self.full_config.abi_library_root]
if library_paths:
env['DYLD_LIBRARY_PATH'] = ':'.join(library_paths)
def allow_cxxabi_link(self):
# FIXME: PR27405
# libc++ *should* export all of the symbols found in libc++abi on OS X.
# For this reason LibcxxConfiguration will not link libc++abi in OS X.
# However __cxa_throw_bad_new_array_length doesn't get exported into
# libc++ yet so we still need to explicitly link libc++abi when testing
# libc++abi
# See PR22654.
if(self.full_config.get_lit_conf('name', '') == 'libc++abi'):
return True
# Don't link libc++abi explicitly on OS X because the symbols
# should be available in libc++ directly.
return False
def add_sanitizer_features(self, sanitizer_type, features):
if sanitizer_type == 'Undefined':
features.add('sanitizer-new-delete')
class FreeBSDLocalTI(DefaultTargetInfo):
def __init__(self, full_config):
super(FreeBSDLocalTI, self).__init__(full_config)
def add_locale_features(self, features):
add_common_locales(features, self.full_config.lit_config)
def add_cxx_link_flags(self, flags):
flags += ['-lc', '-lm', '-lpthread', '-lgcc_s', '-lcxxrt']
class LinuxLocalTI(DefaultTargetInfo):
def __init__(self, full_config):
super(LinuxLocalTI, self).__init__(full_config)
def platform(self):
return 'linux'
def platform_name(self):
name, _, _ = platform.linux_distribution()
name = name.lower().strip()
return name # Permitted to be None
def platform_ver(self):
_, ver, _ = platform.linux_distribution()
ver = ver.lower().strip()
return ver # Permitted to be None.
def add_locale_features(self, features):
add_common_locales(features, self.full_config.lit_config)
# Some linux distributions have different locale data than others.
# Insert the distributions name and name-version into the available
# features to allow tests to XFAIL on them.
name = self.platform_name()
ver = self.platform_ver()
if name:
features.add(name)
if name and ver:
features.add('%s-%s' % (name, ver))
def add_cxx_compile_flags(self, flags):
flags += ['-D__STDC_FORMAT_MACROS',
'-D__STDC_LIMIT_MACROS',
'-D__STDC_CONSTANT_MACROS']
def add_cxx_link_flags(self, flags):
enable_threads = ('libcpp-has-no-threads' not in
self.full_config.config.available_features)
llvm_unwinder = self.full_config.get_lit_bool('llvm_unwinder', False)
shared_libcxx = self.full_config.get_lit_bool('enable_shared', True)
flags += ['-lm']
if not llvm_unwinder:
flags += ['-lgcc_s', '-lgcc']
if enable_threads:
flags += ['-lpthread']
if not shared_libcxx:
flags += ['-lrt']
flags += ['-lc']
if llvm_unwinder:
flags += ['-lunwind', '-ldl']
else:
flags += ['-lgcc_s']
flags += ['-lgcc']
use_libatomic = self.full_config.get_lit_bool('use_libatomic', False)
if use_libatomic:
flags += ['-latomic']
san = self.full_config.get_lit_conf('use_sanitizer', '').strip()
if san:
# The libraries and their order are taken from the
# linkSanitizerRuntimeDeps function in
# clang/lib/Driver/Tools.cpp
flags += ['-lpthread', '-lrt', '-lm', '-ldl']
class WindowsLocalTI(DefaultTargetInfo):
def __init__(self, full_config):
super(WindowsLocalTI, self).__init__(full_config)
def add_locale_features(self, features):
add_common_locales(features, self.full_config.lit_config)
def use_lit_shell_default(self):
# Default to the internal shell on Windows, as bash on Windows is
# usually very slow.
return True
def make_target_info(full_config):
default = "libcxx.test.target_info.LocalTI"
info_str = full_config.get_lit_conf('target_info', default)
if info_str != default:
mod_path, _, info = info_str.rpartition('.')
mod = importlib.import_module(mod_path)
target_info = getattr(mod, info)(full_config)
full_config.lit_config.note("inferred target_info as: %r" % info_str)
return target_info
target_system = platform.system()
if target_system == 'Darwin': return DarwinLocalTI(full_config)
if target_system == 'FreeBSD': return FreeBSDLocalTI(full_config)
if target_system == 'Linux': return LinuxLocalTI(full_config)
if target_system == 'Windows': return WindowsLocalTI(full_config)
return DefaultTargetInfo(full_config)

View File

@@ -1,43 +0,0 @@
#===----------------------------------------------------------------------===##
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===##
import os
import inspect
def trace_function(function, log_calls, log_results, label=''):
def wrapper(*args, **kwargs):
kwarg_strs = ['{}={}'.format(k, v) for (k, v) in kwargs]
arg_str = ', '.join([str(a) for a in args] + kwarg_strs)
call_str = '{}({})'.format(function.func_name, arg_str)
# Perform the call itself, logging before, after, and anything thrown.
try:
if log_calls:
print('{}: Calling {}'.format(label, call_str))
res = function(*args, **kwargs)
if log_results:
print('{}: {} -> {}'.format(label, call_str, res))
return res
except Exception as ex:
if log_results:
print('{}: {} raised {}'.format(label, call_str, type(ex)))
raise ex
return wrapper
def trace_object(obj, log_calls, log_results, label=''):
for name, member in inspect.getmembers(obj):
if inspect.ismethod(member):
# Skip meta-functions, decorate everything else
if not member.func_name.startswith('__'):
setattr(obj, name, trace_function(member, log_calls,
log_results, label))
return obj

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@@ -1,55 +0,0 @@
#===----------------------------------------------------------------------===##
#
# The LLVM Compiler Infrastructure
#
# This file is dual licensed under the MIT and the University of Illinois Open
# Source Licenses. See LICENSE.TXT for details.
#
#===----------------------------------------------------------------------===##
from contextlib import contextmanager
import os
import tempfile
def cleanFile(filename):
try:
os.remove(filename)
except OSError:
pass
@contextmanager
def guardedTempFilename(suffix='', prefix='', dir=None):
# Creates and yeilds a temporary filename within a with statement. The file
# is removed upon scope exit.
handle, name = tempfile.mkstemp(suffix=suffix, prefix=prefix, dir=dir)
os.close(handle)
yield name
cleanFile(name)
@contextmanager
def guardedFilename(name):
# yeilds a filename within a with statement. The file is removed upon scope
# exit.
yield name
cleanFile(name)
@contextmanager
def nullContext(value):
# yeilds a variable within a with statement. No action is taken upon scope
# exit.
yield value
def makeReport(cmd, out, err, rc):
report = "Command: %s\n" % cmd
report += "Exit Code: %d\n" % rc
if out:
report += "Standard Output:\n--\n%s--\n" % out
if err:
report += "Standard Error:\n--\n%s--\n" % err
report += '\n'
return report