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# Copyright 2022 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Increase the timeout for these:
SLOW_ARCHS = [
"arm", "arm64", "mips64", "mips64el", "s390", "s390x", "riscv32", "riscv64",
"loong64"
]
# Timeout scale factor per build flag.
SCALE_FACTOR = dict(
full_debug=4,
lite_mode=2,
tsan=2,
use_sanitizer=1.5,
verify_predictable=4,
)
INITIALIZATION_ERROR = f"""
Missing property '%s'. If you see this error in testing, you might need
to add the property to tools/testrunner/testdata/v8_build_config.json. If
you see this error in production, ensure to add the property to the
v8_dump_build_config action in V8's top-level BUILD.gn file.
"""
class BuildConfig(object):
"""Enables accessing all build-time flags as set in V8's BUILD.gn file.
All flags are auto-generated based on the output of V8's
v8_dump_build_config action.
"""
def __init__(self, build_config):
for key, value in build_config.items():
setattr(self, key, value)
self.keys = list(build_config.keys())
bool_options = [key for key, value in self.items() if value is True]
string_options = [
f'{key}="{value}"'
for key, value in self.items() if value and isinstance(value, str)]
self._str_rep = ', '.join(sorted(bool_options + string_options))
def items(self):
for key in self.keys:
yield key, getattr(self, key)
def ensure_vars(self, build_vars):
for var in build_vars:
if var not in self.keys:
raise Exception(INITIALIZATION_ERROR % var)
def timeout_scalefactor(self, initial_factor):
"""Increases timeout for slow build configurations."""
result = initial_factor
for key, value in SCALE_FACTOR.items():
try:
if getattr(self, key):
result *= value
except AttributeError:
raise Exception(INITIALIZATION_ERROR % key)
if self.arch in SLOW_ARCHS:
result *= 4.5
return result
def __str__(self):
return self._str_rep
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