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