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import re
import _common
import lib.test_const as consts
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_cpp_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":
paths_to_exclude = ("contrib",)
filters.append(lambda x: x.startswith(paths_to_exclude))
return filters
def add_cpp_coverage_ldflags(unit):
ldflags = unit.get("LDFLAGS")
changed = False
for flag in consts.COVERAGE_LDFLAGS:
if flag not in ldflags:
ldflags = ldflags + ' ' + flag
changed = True
if changed:
unit.set(["LDFLAGS", ldflags])
def add_cpp_coverage_cflags(unit):
cflags = unit.get("CFLAGS")
changed = False
for flag in consts.COVERAGE_CFLAGS:
if flag not in cflags:
cflags = cflags + ' ' + flag
changed = True
if changed:
unit.set(["CFLAGS", cflags])
def onset_cpp_coverage_flags(unit):
if unit.get("CLANG_COVERAGE") == "no":
return
filters = get_cpp_coverage_filters(unit)
if should_be_covered(unit, filters):
add_cpp_coverage_cflags(unit)
add_cpp_coverage_ldflags(unit)
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