| # -*- 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/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/freeslot_bitmap_unittest.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/internal_allocator.cc", |
| "../../base/allocator/partition_allocator/src/partition_alloc/lightweight_quarantine.cc", |
| "../../base/allocator/partition_allocator/src/partition_alloc/lightweight_quarantine_unittest.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/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/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/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_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_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/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_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/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) |
