| #!/usr/bin/python |
| # Copyright 2015 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # To integrate dartanalyze with out build system, we take an input file, run |
| # the analyzer on it, and write a stamp file if it passed. |
| # |
| # The first argument to this script is a reference to this build's gen |
| # directory, which we treat as the package root. The second is the stamp file |
| # to touch if we succeed. The rest are passed to the analyzer verbatim. |
| |
| import os |
| import subprocess |
| import sys |
| import re |
| |
| _ANALYZING_PATTERN = re.compile(r'^Analyzing \[') |
| _FINAL_REPORT_PATTERN = re.compile(r'^[0-9]+ errors and [0-9]+ warnings found.') |
| |
| _NATIVE_ERROR_PATTERN = re.compile( |
| r'^\[error\] Native functions can only be declared in the SDK and code that ' |
| r'is loaded through native extensions') |
| _WARNING_PATTERN = re.compile(r'^\[warning\]') |
| _THAT_ONE_BROKEN_CLOSE_IN_WEB_SOCKETS_PATTERN = re.compile( |
| r'^\[error\] The name \'close\' is already defined') |
| |
| def main(args): |
| cmd = [ |
| "../../third_party/dart-sdk/dart-sdk/bin/dartanalyzer", |
| ] |
| |
| gen_dir = args.pop(0) |
| stamp_file = args.pop(0) |
| cmd.extend(args) |
| cmd.append("--package-root=%s" % gen_dir) |
| |
| passed = True |
| try: |
| subprocess.check_output(cmd, shell=False, stderr=subprocess.STDOUT) |
| except subprocess.CalledProcessError as e: |
| # Perform post processing on the output. Filter out non-error messages and |
| # known problem patterns that we're working on. |
| raw_lines = e.output.split('\n') |
| # Remove the last empty line |
| raw_lines.pop() |
| filtered_lines = [i for i in raw_lines if ( |
| not re.match(_ANALYZING_PATTERN, i) and |
| not re.match(_FINAL_REPORT_PATTERN, i) and |
| # TODO(erg): Remove the rest of these as fixes land: |
| not re.match(_WARNING_PATTERN, i) and |
| not re.match(_NATIVE_ERROR_PATTERN, i) and |
| not re.match(_THAT_ONE_BROKEN_CLOSE_IN_WEB_SOCKETS_PATTERN, i))] |
| for line in filtered_lines: |
| passed = False |
| print >> sys.stderr, line |
| |
| if passed: |
| # We passed cleanly, so touch the stamp file so that we don't run again. |
| with open(stamp_file, 'a'): |
| os.utime(stamp_file, None) |
| return 0 |
| else: |
| return -2 |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv[1:])) |