| #!/usr/bin/env python3 |
| # Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| # for details. All rights reserved. Use of this source code is governed by a |
| # BSD-style license that can be found in the LICENSE file. |
| """Top-level presubmit script for Dart. |
| |
| See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts |
| for more details about the presubmit API built into gcl. |
| """ |
| |
| import datetime |
| import importlib.util |
| import importlib.machinery |
| import os |
| import os.path |
| from typing import Callable |
| import scm |
| import subprocess |
| import tempfile |
| import platform |
| |
| USE_PYTHON3 = True |
| |
| |
| def is_cpp_file(path): |
| return path.endswith('.cc') or path.endswith('.h') |
| |
| |
| def is_dart_file(path): |
| return path.endswith('.dart') |
| |
| |
| def _CheckFormat(input_api, |
| identification, |
| extension, |
| windows, |
| hasFormatErrors: Callable[[str, str], bool], |
| should_skip=lambda path: False): |
| local_root = input_api.change.RepositoryRoot() |
| upstream = input_api.change._upstream |
| unformatted_files = [] |
| for git_file in input_api.AffectedTextFiles(): |
| if git_file.LocalPath().startswith("pkg/front_end/testcases/"): |
| continue |
| if git_file.LocalPath().startswith("pkg/front_end/parser_testcases/"): |
| continue |
| if should_skip(git_file.LocalPath()): |
| continue |
| filename = git_file.AbsoluteLocalPath() |
| if filename.endswith(extension) and hasFormatErrors(filename=filename): |
| old_version_has_errors = False |
| try: |
| path = git_file.LocalPath() |
| if windows: |
| # Git expects a linux style path. |
| path = path.replace(os.sep, '/') |
| old_contents = scm.GIT.Capture(['show', upstream + ':' + path], |
| cwd=local_root, |
| strip_out=False) |
| if hasFormatErrors(contents=old_contents): |
| old_version_has_errors = True |
| except subprocess.CalledProcessError as e: |
| old_version_has_errors = False |
| |
| if old_version_has_errors: |
| print("WARNING: %s has existing and possibly new %s issues" % |
| (git_file.LocalPath(), identification)) |
| else: |
| unformatted_files.append(filename) |
| |
| return unformatted_files |
| |
| |
| def load_source(modname, filename): |
| loader = importlib.machinery.SourceFileLoader(modname, filename) |
| spec = importlib.util.spec_from_file_location(modname, |
| filename, |
| loader=loader) |
| module = importlib.util.module_from_spec(spec) |
| # The module is always executed and not cached in sys.modules. |
| # Uncomment the following line to cache the module. |
| # sys.modules[module.__name__] = module |
| loader.exec_module(module) |
| return module |
| |
| |
| def _CheckDartFormat(input_api, output_api): |
| local_root = input_api.change.RepositoryRoot() |
| utils = load_source('utils', os.path.join(local_root, 'tools', 'utils.py')) |
| |
| dart = os.path.join(utils.CheckedInSdkPath(), 'bin', 'dart') |
| |
| windows = utils.GuessOS() == 'win32' |
| if windows: |
| dart += '.exe' |
| |
| if not os.path.isfile(dart): |
| print('WARNING: dart not found: %s' % (dart)) |
| return [] |
| |
| dartFixes = [ |
| '--fix-named-default-separator', |
| ] |
| |
| def HasFormatErrors(filename: str = None, contents: str = None): |
| # Don't look for formatting errors in multitests. Since those are very |
| # sensitive to whitespace, many cannot be reformatted without breaking |
| # them. |
| if filename and filename.endswith('_test.dart'): |
| with open(filename) as f: |
| contents = f.read() |
| if '//#' in contents: |
| return False |
| |
| args = [ |
| dart, |
| 'format', |
| ] + dartFixes + [ |
| '--set-exit-if-changed', |
| '--output=none', |
| '--summary=none', |
| ] |
| |
| # TODO(https://github.com/dart-lang/sdk/issues/46947): Remove this hack. |
| if windows and contents: |
| f = tempfile.NamedTemporaryFile( |
| encoding='utf-8', |
| delete=False, |
| mode='w', |
| suffix='.dart', |
| ) |
| try: |
| f.write(contents) |
| f.close() |
| args.append(f.name) |
| process = subprocess.run(args) |
| finally: |
| os.unlink(f.name) |
| elif contents: |
| process = subprocess.run(args, input=contents, text=True) |
| else: |
| args.append(filename) |
| process = subprocess.run(args) |
| |
| # Check for exit code 1 explicitly to distinguish it from a syntax error |
| # in the file (exit code 65). The repo contains many Dart files that are |
| # known to have syntax errors for testing purposes and which can't be |
| # parsed and formatted. Don't treat those as errors. |
| return process.returncode == 1 |
| |
| unformatted_files = _CheckFormat(input_api, "dart format", ".dart", windows, |
| HasFormatErrors) |
| |
| if unformatted_files: |
| lineSep = " \\\n" |
| if windows: |
| lineSep = " ^\n" |
| return [ |
| output_api.PresubmitError( |
| 'File output does not match dart format.\n' |
| 'Fix these issues with:\n' |
| '%s format %s%s%s' % (dart, ' '.join(dartFixes), lineSep, |
| lineSep.join(unformatted_files))) |
| ] |
| |
| return [] |
| |
| |
| def _CheckStatusFiles(input_api, output_api): |
| local_root = input_api.change.RepositoryRoot() |
| utils = load_source('utils', os.path.join(local_root, 'tools', 'utils.py')) |
| |
| dart = os.path.join(utils.CheckedInSdkPath(), 'bin', 'dart') |
| lint = os.path.join(local_root, 'pkg', 'status_file', 'bin', 'lint.dart') |
| |
| windows = utils.GuessOS() == 'win32' |
| if windows: |
| dart += '.exe' |
| |
| if not os.path.isfile(dart): |
| print('WARNING: dart not found: %s' % dart) |
| return [] |
| |
| if not os.path.isfile(lint): |
| print('WARNING: Status file linter not found: %s' % lint) |
| return [] |
| |
| def HasFormatErrors(filename=None, contents=None): |
| args = [dart, lint] + (['-t'] if contents else [filename]) |
| process = subprocess.run(args, input=contents, text=True) |
| return process.returncode != 0 |
| |
| def should_skip(path): |
| return (path.startswith("pkg/status_file/test/data/") or |
| path.startswith("pkg/front_end/")) |
| |
| unformatted_files = _CheckFormat(input_api, "status file", ".status", |
| windows, HasFormatErrors, should_skip) |
| |
| if unformatted_files: |
| normalize = os.path.join(local_root, 'pkg', 'status_file', 'bin', |
| 'normalize.dart') |
| lineSep = " \\\n" |
| if windows: |
| lineSep = " ^\n" |
| return [ |
| output_api.PresubmitError( |
| 'Status files are not normalized.\n' |
| 'Fix these issues with:\n' |
| '%s %s -w%s%s' % (dart, normalize, lineSep, |
| lineSep.join(unformatted_files))) |
| ] |
| |
| return [] |
| |
| |
| def _CheckValidHostsInDEPS(input_api, output_api): |
| """Checks that DEPS file deps are from allowed_hosts.""" |
| # Run only if DEPS file has been modified to annoy fewer bystanders. |
| if all(f.LocalPath() != 'DEPS' for f in input_api.AffectedFiles()): |
| return [] |
| # Outsource work to gclient verify |
| try: |
| input_api.subprocess.check_output(['gclient', 'verify']) |
| return [] |
| except input_api.subprocess.CalledProcessError as error: |
| return [ |
| output_api.PresubmitError( |
| 'DEPS file must have only dependencies from allowed hosts.', |
| long_text=error.output) |
| ] |
| |
| |
| def _CheckLayering(input_api, output_api): |
| """Run VM layering check. |
| |
| This check validates that sources from one layer do not reference sources |
| from another layer accidentally. |
| """ |
| |
| # Run only if .cc or .h file was modified. |
| if all(not is_cpp_file(f.LocalPath()) for f in input_api.AffectedFiles()): |
| return [] |
| |
| local_root = input_api.change.RepositoryRoot() |
| compiler_layering_check = load_source( |
| 'compiler_layering_check', |
| os.path.join(local_root, 'runtime', 'tools', |
| 'compiler_layering_check.py')) |
| errors = compiler_layering_check.DoCheck(local_root) |
| embedder_layering_check = load_source( |
| 'embedder_layering_check', |
| os.path.join(local_root, 'runtime', 'tools', |
| 'embedder_layering_check.py')) |
| errors += embedder_layering_check.DoCheck(local_root) |
| if errors: |
| return [ |
| output_api.PresubmitError( |
| 'Layering check violation for C++ sources.', |
| long_text='\n'.join(errors)) |
| ] |
| |
| return [] |
| |
| |
| def _CheckClangTidy(input_api, output_api): |
| """Run clang-tidy on VM changes.""" |
| |
| # Only run clang-tidy on linux x64. |
| if platform.system() != 'Linux' or platform.machine() != 'x86_64': |
| return [] |
| |
| # Run only for modified .cc or .h files. |
| files = [] |
| for f in input_api.AffectedFiles(): |
| path = f.LocalPath() |
| if is_cpp_file(path) and os.path.isfile(path): files.append(path) |
| |
| if not files: |
| return [] |
| |
| args = [ |
| 'tools/sdks/dart-sdk/bin/dart', |
| 'runtime/tools/run_clang_tidy.dart', |
| ] |
| args.extend(files) |
| stdout = input_api.subprocess.check_output(args).strip() |
| if not stdout: |
| return [] |
| |
| return [ |
| output_api.PresubmitError( |
| 'The `clang-tidy` linter revealed issues:', |
| long_text=stdout) |
| ] |
| |
| |
| def _CheckAnalyzerFiles(input_api, output_api): |
| """Run analyzer checks on source files.""" |
| |
| # Verify the "error fix status" file. |
| code_files = [ |
| "pkg/analyzer/lib/src/error/error_code_values.g.dart", |
| "pkg/linter/lib/src/rules.dart", |
| ] |
| |
| if any(f.LocalPath() in code_files for f in input_api.AffectedFiles()): |
| args = [ |
| "tools/sdks/dart-sdk/bin/dart", |
| "pkg/analysis_server/tool/presubmit/verify_error_fix_status.dart", |
| ] |
| stdout = input_api.subprocess.check_output(args).strip() |
| if not stdout: |
| return [] |
| |
| return [ |
| output_api.PresubmitError( |
| "The verify_error_fix_status Analyzer tool revealed issues:", |
| long_text=stdout) |
| ] |
| |
| # Verify the linter's `example/all.yaml` file. |
| if any(f.LocalPath().startswith('pkg/linter/lib/src/rules') |
| for f in input_api.AffectedFiles()): |
| args = [ |
| "tools/sdks/dart-sdk/bin/dart", |
| "pkg/linter/tool/checks/check_all_yaml.dart", |
| ] |
| stdout = input_api.subprocess.check_output(args).strip() |
| if not stdout: |
| return [] |
| |
| return [ |
| output_api.PresubmitError( |
| "The check_all_yaml linter tool revealed issues:", |
| long_text=stdout) |
| ] |
| |
| # TODO(srawlins): Check more: |
| # * "verify_sorted" for individual modified (not deleted) files in |
| # Analyzer-team-owned directories. |
| # * "verify_tests" for individual modified (not deleted) test files in |
| # Analyzer-team-owned directories. |
| # * Verify that `messages/generate.dart` does not produce different |
| # content, when `pkg/analyzer/messages.yaml` is modified. |
| # * Verify that `diagnostics/generate.dart` does not produce different |
| # content, when `pkg/analyzer/messages.yaml` is modified. |
| # * Verify that `machine.json` is not outdated, when any |
| # `pkg/linter/lib/src/rules` file is modified. |
| # * Maybe "verify_no_solo" for individual modified (not deleted test files |
| # in Analyzer-team-owned directories. |
| |
| # No files are relevant. |
| return [] |
| |
| |
| def _CheckTestMatrixValid(input_api, output_api): |
| """Run script to check that the test matrix has no errors.""" |
| |
| def test_matrix_filter(affected_file): |
| """Only run test if either the test matrix or the code that |
| validates it was modified.""" |
| path = affected_file.LocalPath() |
| return (path == 'tools/bots/test_matrix.json' or |
| path == 'tools/validate_test_matrix.dart' or |
| path.startswith('pkg/smith/')) |
| |
| if len( |
| input_api.AffectedFiles( |
| include_deletes=False, file_filter=test_matrix_filter)) == 0: |
| return [] |
| |
| command = [ |
| 'tools/sdks/dart-sdk/bin/dart', |
| 'tools/validate_test_matrix.dart', |
| ] |
| stdout = input_api.subprocess.check_output(command).strip() |
| if not stdout: |
| return [] |
| else: |
| return [ |
| output_api.PresubmitError( |
| 'The test matrix is not valid:', long_text=stdout) |
| ] |
| |
| |
| def _CheckCopyrightYear(input_api, output_api): |
| """Check copyright year in new files.""" |
| |
| files = [] |
| year = str(datetime.datetime.now().year) |
| for f in input_api.AffectedFiles(include_deletes=False): |
| path = f.LocalPath() |
| if (is_dart_file(path) or is_cpp_file(path) |
| ) and f.Action() == 'A' and os.path.isfile(path): |
| with open(path) as f: |
| first_line = f.readline() |
| if 'Copyright' in first_line and year not in first_line: |
| files.append(path) |
| |
| if not files: |
| return [] |
| |
| return [ |
| output_api.PresubmitPromptWarning( |
| 'Copyright year for new files should be ' + year + ':\n' + |
| '\n'.join(files)) |
| ] |
| |
| |
| def _CheckNoNewObservatoryServiceTests(input_api, output_api): |
| """Ensures that no new tests are added to the Observatory test suite.""" |
| files = [] |
| |
| for f in input_api.AffectedFiles(include_deletes=False): |
| path = f.LocalPath() |
| if is_dart_file(path) and path.startswith( |
| "runtime/observatory/tests/service/") and f.Action( |
| ) == 'A' and os.path.isfile(path): |
| files.append(path) |
| |
| if not files: |
| return [] |
| |
| return [ |
| output_api.PresubmitError( |
| 'New VM service tests should be added to pkg/vm_service/test, ' + |
| 'not runtime/observatory/tests/service:\n' + '\n'.join(files)) |
| ] |
| |
| def _CommonChecks(input_api, output_api): |
| results = [] |
| results.extend(_CheckValidHostsInDEPS(input_api, output_api)) |
| results.extend(_CheckDartFormat(input_api, output_api)) |
| results.extend(_CheckStatusFiles(input_api, output_api)) |
| results.extend(_CheckLayering(input_api, output_api)) |
| results.extend(_CheckClangTidy(input_api, output_api)) |
| results.extend(_CheckTestMatrixValid(input_api, output_api)) |
| results.extend( |
| input_api.canned_checks.CheckPatchFormatted(input_api, output_api)) |
| results.extend(_CheckCopyrightYear(input_api, output_api)) |
| results.extend(_CheckAnalyzerFiles(input_api, output_api)) |
| results.extend(_CheckNoNewObservatoryServiceTests(input_api, output_api)) |
| return results |
| |
| |
| def CheckChangeOnCommit(input_api, output_api): |
| return _CommonChecks(input_api, output_api) |
| |
| |
| def CheckChangeOnUpload(input_api, output_api): |
| return _CommonChecks(input_api, output_api) |
