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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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