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import re
import _common
from ymake import macro, Unit
def get_coverage_filter_regexp(pattern, cache={}):
return cache[pattern] if pattern in cache else cache.setdefault(pattern, re.compile(pattern))
def should_be_covered(unit, filters):
if unit.get("FORCE_COVERAGE_DISABLED") == "yes":
return False
if unit.get("FORCE_COVERAGE_ENABLED") == "yes":
return True
unit_path = _common.get_norm_unit_path(unit)
return not any(pred(unit_path) for pred in filters)
def get_coverage_filters(unit, filters=[]):
# don`t calculate filters if it already was calculated
if filters:
return filters
coverage_target_regexp = unit.get("COVERAGE_TARGET_REGEXP") or None
coverage_exclude_regexp = unit.get("COVERAGE_EXCLUDE_REGEXP") or None
if coverage_target_regexp:
cov_re = get_coverage_filter_regexp(coverage_target_regexp)
filters.append(lambda x: re.match(cov_re, x) is None)
if coverage_exclude_regexp:
cov_exclude_re = get_coverage_filter_regexp(coverage_exclude_regexp)
filters.append(lambda x: re.match(cov_exclude_re, x) is not None)
if unit.get("ENABLE_CONTRIB_COVERAGE") != "yes":
if unit.get("ENABLE_CONTRIB_YDB_COVERAGE") == "yes":
pattern = r'^contrib/(?!ydb)'
filters.append(lambda x: re.match(pattern, x) is not None)
else:
paths_to_exclude = ("contrib",)
filters.append(lambda x: x.startswith(paths_to_exclude))
return filters
@macro
def SET_CPP_COVERAGE_FLAGS(unit: Unit):
if unit.get("CLANG_COVERAGE") != "yes":
return
filters = get_coverage_filters(unit)
if should_be_covered(unit, filters):
unit.on_setup_clang_coverage()
@macro
def _FILTER_PY_COVERAGE(unit: Unit):
if unit.get("PYTHON_COVERAGE") != "yes":
return
if unit.get("COVERAGE_FILTER_PROGRAMS") != "yes" or unit.get("CYTHON_COVERAGE") == "yes":
unit.on_enable_python_coverage()
return
filters = get_coverage_filters(unit)
if should_be_covered(unit, filters):
unit.on_enable_python_coverage()
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