# -*- bazel-starlark -*- # Copyright 2023 The Chromium Authors # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. """Siso config version of clang_code_coverage_wrapper.py""" # LINT.IfChange load("@builtin//struct.star", "module") # Logics are copied from build/toolchain/clang_code_coverage_wrapper.py # in ordre to strip coverage flags without process invocation. # This is neceesary for Siso to send clang command to RBE without the wrapper and instrument file. # Flags used to enable coverage instrumentation. # Flags should be listed in the same order that they are added in # build/config/coverage/BUILD.gn _COVERAGE_FLAGS = [ "-fprofile-instr-generate", "-fcoverage-mapping", "-mllvm", "-runtime-counter-relocation=true", # Following experimental flags remove unused header functions from the # coverage mapping data embedded in the test binaries, and the reduction # of binary size enables building Chrome's large unit test targets on # MacOS. Please refer to crbug.com/796290 for more details. "-mllvm", "-limited-coverage-experimental=true", ] # Files that should not be built with coverage flags by default. _DEFAULT_COVERAGE_EXCLUSION_LIST = [ # These files caused perf regressions, resulting in time-outs on some bots. # TODO(https://crbug.com/356570413): Remove when the bug is fixed. "../../base/allocator/partition_allocator/src/partition_alloc/address_pool_manager_bitmap.cc", "../../base/allocator/partition_allocator/src/partition_alloc/address_pool_manager.cc", "../../base/allocator/partition_allocator/src/partition_alloc/address_pool_manager_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/address_space_randomization.cc", "../../base/allocator/partition_allocator/src/partition_alloc/address_space_randomization_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/allocation_guard.cc", "../../base/allocator/partition_allocator/src/partition_alloc/allocator_config.cc", "../../base/allocator/partition_allocator/src/partition_alloc/compressed_pointer.cc", "../../base/allocator/partition_allocator/src/partition_alloc/compressed_pointer_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/dangling_raw_ptr_checks.cc", "../../base/allocator/partition_allocator/src/partition_alloc/extended_api.cc", "../../base/allocator/partition_allocator/src/partition_alloc/gwp_asan_support.cc", "../../base/allocator/partition_allocator/src/partition_alloc/hardening_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/in_slot_metadata.cc", "../../base/allocator/partition_allocator/src/partition_alloc/internal_allocator.cc", "../../base/allocator/partition_allocator/src/partition_alloc/memory_reclaimer.cc", "../../base/allocator/partition_allocator/src/partition_alloc/memory_reclaimer_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/oom_callback.cc", "../../base/allocator/partition_allocator/src/partition_alloc/oom.cc", "../../base/allocator/partition_allocator/src/partition_alloc/page_allocator.cc", "../../base/allocator/partition_allocator/src/partition_alloc/page_allocator_internals_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/page_allocator_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_address_space.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/apple/mach_logging.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/bits_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/check.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/component_export_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/containers/flat_map_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/containers/flat_tree_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/cpu.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/cpu_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/debug/alias.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/debug/proc_maps_linux.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/debug/stack_trace_android.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/debug/stack_trace.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/debug/stack_trace_linux.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/debug/stack_trace_mac.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/debug/stack_trace_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/debug/stack_trace_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/files/file_path.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/files/file_path_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/files/file_util_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/fuchsia/fuchsia_logging.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/fuchsia/fuchsia_logging_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/logging.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/logging_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/log_message.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/memory/page_size_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/memory/page_size_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/memory/ref_counted.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/native_library.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/native_library_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/native_library_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/no_destructor_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/posix/safe_strerror.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/process/process_handle_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/process/process_handle_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/rand_util.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/rand_util_fuchsia.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/rand_util_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/rand_util_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/rand_util_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/ranges/algorithm_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/ranges/functional_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/ranges/ranges_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/scoped_clear_last_error_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/scoped_clear_last_error_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/strings/cstring_builder.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/strings/cstring_builder_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/strings/safe_sprintf.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/strings/safe_sprintf_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/strings/stringprintf.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/strings/stringprintf_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/strings/string_util.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/strings/string_util_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/template_util_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/thread_annotations_pa_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/threading/platform_thread_android_for_testing.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/threading/platform_thread.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/threading/platform_thread_fuchsia_for_testing.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/threading/platform_thread_linux_for_testing.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/threading/platform_thread_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/threading/platform_thread_posix_for_testing.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/threading/platform_thread_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/threading/platform_thread_win_for_testing.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/time/time.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/time/time_conversion_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/time/time_fuchsia.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/time/time_now_posix.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/time/time_override.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_base/time/time_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_hooks.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_perftest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_alloc_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_bucket.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_cookie.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_dcheck_helper.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_freelist_entry.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_lock_perftest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_lock_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_oom.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_page.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_root.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_stats.cc", "../../base/allocator/partition_allocator/src/partition_alloc/partition_tls_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/pointers/empty.cc", "../../base/allocator/partition_allocator/src/partition_alloc/pointers/instance_tracer.cc", "../../base/allocator/partition_allocator/src/partition_alloc/pointers/raw_ptr_asan_unowned_impl.cc", "../../base/allocator/partition_allocator/src/partition_alloc/pointers/raw_ptr_backup_ref_impl.cc", "../../base/allocator/partition_allocator/src/partition_alloc/pointers/raw_ptr_counting_impl_for_test.cc", "../../base/allocator/partition_allocator/src/partition_alloc/pointers/raw_ptr_hookable_impl.cc", "../../base/allocator/partition_allocator/src/partition_alloc/pointers/raw_ptr_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/pointers/raw_ref_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/random.cc", "../../base/allocator/partition_allocator/src/partition_alloc/reservation_offset_table.cc", "../../base/allocator/partition_allocator/src/partition_alloc/reverse_bytes_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/scheduler_loop_quarantine.cc", "../../base/allocator/partition_allocator/src/partition_alloc/scheduler_loop_quarantine_support.cc", "../../base/allocator/partition_allocator/src/partition_alloc/scheduler_loop_quarantine_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_android.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_apple.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_default_dispatch_to_apple_zoned_malloc.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_default_dispatch_to_glibc.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_default_dispatch_to_linker_wrapped_symbols.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_default_dispatch_to_partition_alloc.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_default_dispatch_to_partition_alloc_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_default_dispatch_to_partition_alloc_with_advanced_checks.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_default_dispatch_to_winheap.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_dispatch_to_noop_on_free.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_functions_win_component.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_win_component.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/allocator_shim_win_static.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/empty.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/malloc_zone_functions_apple.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/malloc_zone_functions_apple_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/winheap_stubs_win.cc", "../../base/allocator/partition_allocator/src/partition_alloc/shim/winheap_stubs_win_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/slot_start.cc", "../../base/allocator/partition_allocator/src/partition_alloc/slot_start_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/spinning_mutex.cc", "../../base/allocator/partition_allocator/src/partition_alloc/stack/asm/arm64/push_registers_asm.cc", "../../base/allocator/partition_allocator/src/partition_alloc/stack/asm/arm/push_registers_asm.cc", "../../base/allocator/partition_allocator/src/partition_alloc/stack/asm/loong64/push_registers_asm.cc", "../../base/allocator/partition_allocator/src/partition_alloc/stack/asm/riscv64/push_registers_asm.cc", "../../base/allocator/partition_allocator/src/partition_alloc/stack/asm/x64/push_registers_asm.cc", "../../base/allocator/partition_allocator/src/partition_alloc/stack/asm/x86/push_registers_asm.cc", "../../base/allocator/partition_allocator/src/partition_alloc/stack/stack.cc", "../../base/allocator/partition_allocator/src/partition_alloc/stack/stack_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/tagging.cc", "../../base/allocator/partition_allocator/src/partition_alloc/tagging_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/thread_cache.cc", "../../base/allocator/partition_allocator/src/partition_alloc/thread_cache_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/thread_isolation/pkey.cc", "../../base/allocator/partition_allocator/src/partition_alloc/thread_isolation/pkey_unittest.cc", "../../base/allocator/partition_allocator/src/partition_alloc/thread_isolation/thread_isolation.cc", ] # Map of exclusion lists indexed by target OS. # If no target OS is defined, or one is defined that doesn't have a specific # entry, use _DEFAULT_COVERAGE_EXCLUSION_LIST. _COVERAGE_EXCLUSION_LIST_MAP = { "android": [ # This file caused webview native library failed on arm64. "../../device/gamepad/dualshock4_controller.cc", ] + _DEFAULT_COVERAGE_EXCLUSION_LIST, "fuchsia": [ # TODO(crbug.com/40167659): These files caused clang to crash while # compiling them. "../../third_party/skia/src/core/SkOpts.cpp", "../../third_party/skia/src/opts/SkOpts_hsw.cpp", "../../third_party/skia/third_party/skcms/skcms.cc", ] + _DEFAULT_COVERAGE_EXCLUSION_LIST, "linux": [ # These files caused a static initializer to be generated, which # shouldn't. # TODO(crbug.com/41474559): Remove when the bug is fixed. "../../chrome/browser/media/router/providers/cast/cast_internal_message_util.cc", #pylint: disable=line-too-long "../../components/media_router/common/providers/cast/channel/cast_channel_enum.cc", #pylint: disable=line-too-long "../../components/media_router/common/providers/cast/channel/cast_message_util.cc", #pylint: disable=line-too-long "../../components/media_router/common/providers/cast/cast_media_source.cc", #pylint: disable=line-too-long "../../ui/events/keycodes/dom/keycode_converter.cc", ] + _DEFAULT_COVERAGE_EXCLUSION_LIST, "chromeos": [ # These files caused clang to crash while compiling them. They are # excluded pending an investigation into the underlying compiler bug. "../../third_party/webrtc/p2p/base/p2p_transport_channel.cc", "../../third_party/icu/source/common/uts46.cpp", "../../third_party/icu/source/common/ucnvmbcs.cpp", "../../base/android/android_image_reader_compat.cc", ] + _DEFAULT_COVERAGE_EXCLUSION_LIST, } # Map of force lists indexed by target OS. _COVERAGE_FORCE_LIST_MAP = { # clang_profiling.cc refers to the symbol `__llvm_profile_dump` from the # profiling runtime. In a partial coverage build, it is possible for a # binary to include clang_profiling.cc but have no instrumented files, thus # causing an unresolved symbol error because the profiling runtime will not # be linked in. Therefore we force coverage for this file to ensure that # any target that includes it will also get the profiling runtime. "win": [r"..\..\base\test\clang_profiling.cc"], # TODO(crbug.com/40154378) We're seeing runtime LLVM errors in mac-rel when # no files are changed, so we suspect that this is similar to the other # problem with clang_profiling.cc on Windows. The TODO here is to force # coverage for this specific file on ALL platforms, if it turns out to fix # this issue on Mac as well. It's the only file that directly calls # `__llvm_profile_dump` so it warrants some special treatment. "mac": ["../../base/test/clang_profiling.cc"], } def _remove_flags_from_command(command): # We need to remove the coverage flags for this file, but we only want to # remove them if we see the exact sequence defined in _COVERAGE_FLAGS. # That ensures that we only remove the flags added by GN when # "use_clang_coverage" is true. Otherwise, we would remove flags set by # other parts of the build system. start_flag = _COVERAGE_FLAGS[0] num_flags = len(_COVERAGE_FLAGS) start_idx = 0 def _start_flag_idx(cmd, start_idx): for i in range(start_idx, len(cmd)): if cmd[i] == start_flag: return i # Workaround to emulate while loop in Starlark. for _ in range(0, len(command)): idx = _start_flag_idx(command, start_idx) if not idx: # Coverage flags are not included anymore. return command if command[idx:idx + num_flags] == _COVERAGE_FLAGS: # Starlark doesn't have `del`. command = command[:idx] + command[idx + num_flags:] # There can be multiple sets of _COVERAGE_FLAGS. All of these need to be # removed. start_idx = idx else: start_idx = idx + 1 return command def __run(ctx, args): """Runs the main logic of clang_code_coverage_wrapper. This is slightly different from the main function of clang_code_coverage_wrapper.py because starlark can't use Python's standard libraries. """ # We need to remove the coverage flags for this file, but we only want to # remove them if we see the exact sequence defined in _COVERAGE_FLAGS. # That ensures that we only remove the flags added by GN when # "use_clang_coverage" is true. Otherwise, we would remove flags set by # other parts of the build system. if len(args) == 0: return args if not args[0].endswith("python3") and not args[0].endswith("python3.exe"): return args has_coveage_wrapper = False instrument_file = None compile_command_pos = None target_os = None source_flag = "-c" source_flag_index = None for i, arg in enumerate(args): if i == 0: continue if arg == "../../build/toolchain/clang_code_coverage_wrapper.py": has_coveage_wrapper = True continue if arg.startswith("--files-to-instrument="): instrument_file = arg.removeprefix("--files-to-instrument=") continue if arg.startswith("--target-os="): target_os = arg.removeprefix("--target-os=") if target_os == "win": source_flag = "/c" continue if not compile_command_pos and not args[i].startswith("-") and "clang" in args[i]: compile_command_pos = i continue if args[i] == source_flag: # The command is assumed to use Clang as the compiler, and the path to the # source file is behind the -c argument, and the path to the source path is # relative to the root build directory. For example: # clang++ -fvisibility=hidden -c ../../base/files/file_path.cc -o \ # obj/base/base/file_path.o # On Windows, clang-cl.exe uses /c instead of -c. source_flag_index = i continue if not has_coveage_wrapper or not compile_command_pos: print("this is not clang coverage command. %s" % str(args)) return args compile_command = args[compile_command_pos:] if not source_flag_index: fail("%s argument is not found in the compile command. %s" % (source_flag, str(args))) if source_flag_index + 1 >= len(args): fail("Source file to be compiled is missing from the command.") # On Windows, filesystem paths should use '\', but GN creates build commands # that use '/'. # The original logic in clang_code_coverage_wrapper.py uses # os.path.normpath() to ensure to ensure that the path uses the correct # separator for the current platform. i.e. '\' on Windows and '/' otherwise # Siso's ctx.fs.canonpath() ensures '/' on all platforms, instead. # TODO: Consdier coverting the paths in instrument file and hardcoded lists # only once at initialization if it improves performance. compile_source_file = ctx.fs.canonpath(args[source_flag_index + 1]) extension = compile_source_file.rsplit(".", 1)[1] if not extension in ["c", "cc", "cpp", "cxx", "m", "mm", "S"]: fail("Invalid source file %s found. extension=%s" % (compile_source_file, extension)) exclusion_list = _COVERAGE_EXCLUSION_LIST_MAP.get( target_os, _DEFAULT_COVERAGE_EXCLUSION_LIST, ) exclusion_list = [ctx.fs.canonpath(f) for f in exclusion_list] force_list = _COVERAGE_FORCE_LIST_MAP.get(target_os, []) force_list = [ctx.fs.canonpath(f) for f in force_list] files_to_instrument = [] if instrument_file: files_to_instrument = str(ctx.fs.read(ctx.fs.canonpath(instrument_file))).splitlines() # strip() is for removing '\r' on Windows. files_to_instrument = [ctx.fs.canonpath(f).strip() for f in files_to_instrument] should_remove_flags = False if compile_source_file not in force_list: if compile_source_file in exclusion_list: should_remove_flags = True elif instrument_file and compile_source_file not in files_to_instrument: should_remove_flags = True if should_remove_flags: return _remove_flags_from_command(compile_command) print("Keeping code coverage flags for %s" % compile_source_file) return compile_command clang_code_coverage_wrapper = module( "clang_code_coverage_wrapper", run = __run, ) # LINT.ThenChange(/build/toolchain/clang_code_coverage_wrapper.py)