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import os
import sys
class TestingConfig(object):
""""
TestingConfig - Information on the tests inside a suite.
"""
@staticmethod
def fromdefaults(litConfig):
"""
fromdefaults(litConfig) -> TestingConfig
Create a TestingConfig object with default values.
"""
# Set the environment based on the command line arguments.
environment = {
'PATH' : os.pathsep.join(litConfig.path +
[os.environ.get('PATH','')]),
'LLVM_DISABLE_CRASH_REPORT' : '1',
}
pass_vars = ['LIBRARY_PATH', 'LD_LIBRARY_PATH', 'SYSTEMROOT', 'TERM',
'CLANG', 'LLDB', 'LD_PRELOAD', 'ASAN_OPTIONS',
'UBSAN_OPTIONS', 'LSAN_OPTIONS', 'ADB', 'ANDROID_SERIAL',
'SSH_AUTH_SOCK', 'SANITIZER_IGNORE_CVE_2016_2143',
'TMPDIR', 'TMP', 'TEMP', 'TEMPDIR', 'AVRLIT_BOARD',
'AVRLIT_PORT', 'FILECHECK_OPTS', 'VCINSTALLDIR',
'VCToolsinstallDir', 'VSINSTALLDIR', 'WindowsSdkDir',
'WindowsSDKLibVersion']
if sys.platform == 'win32':
pass_vars.append('INCLUDE')
pass_vars.append('LIB')
pass_vars.append('PATHEXT')
pass_vars.append('USERPROFILE')
environment['PYTHONBUFFERED'] = '1'
for var in pass_vars:
val = os.environ.get(var, '')
# Check for empty string as some variables such as LD_PRELOAD cannot be empty
# ('') for OS's such as OpenBSD.
if val:
environment[var] = val
# Set the default available features based on the LitConfig.
available_features = []
if litConfig.useValgrind:
available_features.append('valgrind')
if litConfig.valgrindLeakCheck:
available_features.append('vg_leak')
return TestingConfig(None,
name = '<unnamed>',
suffixes = set(),
test_format = None,
environment = environment,
substitutions = [],
unsupported = False,
test_exec_root = None,
test_source_root = None,
excludes = [],
available_features = available_features,
pipefail = True,
standalone_tests = False)
def load_from_path(self, path, litConfig):
"""
load_from_path(path, litConfig)
Load the configuration module at the provided path into the given config
object.
"""
# Load the config script data.
data = None
f = open(path)
try:
data = f.read()
except:
litConfig.fatal('unable to load config file: %r' % (path,))
f.close()
# Execute the config script to initialize the object.
cfg_globals = dict(globals())
cfg_globals['config'] = self
cfg_globals['lit_config'] = litConfig
cfg_globals['__file__'] = path
try:
exec(compile(data, path, 'exec'), cfg_globals, None)
if litConfig.debug:
litConfig.note('... loaded config %r' % path)
except SystemExit:
e = sys.exc_info()[1]
# We allow normal system exit inside a config file to just
# return control without error.
if e.args:
raise
except:
import traceback
litConfig.fatal(
'unable to parse config file %r, traceback: %s' % (
path, traceback.format_exc()))
self.finish(litConfig)
def __init__(self, parent, name, suffixes, test_format,
environment, substitutions, unsupported,
test_exec_root, test_source_root, excludes,
available_features, pipefail, limit_to_features = [],
is_early = False, parallelism_group = None,
standalone_tests = False):
self.parent = parent
self.name = str(name)
self.suffixes = set(suffixes)
self.test_format = test_format
self.environment = dict(environment)
self.substitutions = list(substitutions)
self.unsupported = unsupported
self.test_exec_root = test_exec_root
self.test_source_root = test_source_root
self.excludes = set(excludes)
self.available_features = set(available_features)
self.pipefail = pipefail
self.standalone_tests = standalone_tests
# This list is used by TestRunner.py to restrict running only tests that
# require one of the features in this list if this list is non-empty.
# Configurations can set this list to restrict the set of tests to run.
self.limit_to_features = set(limit_to_features)
self.parallelism_group = parallelism_group
self._recursiveExpansionLimit = None
@property
def recursiveExpansionLimit(self):
return self._recursiveExpansionLimit
@recursiveExpansionLimit.setter
def recursiveExpansionLimit(self, value):
if value is not None and not isinstance(value, int):
raise ValueError('recursiveExpansionLimit must be either None or an integer (got <{}>)'.format(value))
if isinstance(value, int) and value < 0:
raise ValueError('recursiveExpansionLimit must be a non-negative integer (got <{}>)'.format(value))
self._recursiveExpansionLimit = value
def finish(self, litConfig):
"""finish() - Finish this config object, after loading is complete."""
self.name = str(self.name)
self.suffixes = set(self.suffixes)
self.environment = dict(self.environment)
self.substitutions = list(self.substitutions)
if self.test_exec_root is not None:
# FIXME: This should really only be suite in test suite config
# files. Should we distinguish them?
self.test_exec_root = str(self.test_exec_root)
if self.test_source_root is not None:
# FIXME: This should really only be suite in test suite config
# files. Should we distinguish them?
self.test_source_root = str(self.test_source_root)
self.excludes = set(self.excludes)
@property
def root(self):
"""root attribute - The root configuration for the test suite."""
if self.parent is None:
return self
else:
return self.parent.root
class SubstituteCaptures:
"""
Helper class to indicate that the substitutions contains backreferences.
This can be used as the following in lit.cfg to mark subsitutions as having
back-references::
config.substutions.append(('\b[^ ]*.cpp', SubstituteCaptures('\0.txt')))
"""
def __init__(self, substitution):
self.substitution = substitution
def replace(self, pattern, replacement):
return self.substitution
def __str__(self):
return self.substitution
def __len__(self):
return len(self.substitution)
def __getitem__(self, item):
return self.substitution.__getitem__(item)
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