| # Copyright 2017 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Check to see if the various BadMessage enums in histograms.xml need to be |
| updated. This can be called from a chromium PRESUBMIT.py to ensure updates to |
| bad_message.h also include the generated changes to histograms.xml |
| """ |
| |
| import update_histogram_enum |
| |
| |
| def PrecheckBadMessage(input_api, |
| output_api, |
| histogram_name, |
| end_marker='^BAD_MESSAGE_MAX', |
| strip_k_prefix=False): |
| source_path = '' |
| |
| # This function is called once per bad_message.h-containing directory. Check |
| # for the |bad_message.h| file, and if present, remember its path. |
| for f in input_api.AffectedFiles(): |
| if f.LocalPath().endswith('bad_message.h'): |
| source_path = f.LocalPath() |
| break |
| |
| # If the |bad_message.h| wasn't found in this change, then there is nothing to |
| # do and histogram.xml does not need to be updated. |
| if source_path == '': |
| return [] |
| |
| START_MARKER='^enum (class )?BadMessageReason {' |
| presubmit_error = update_histogram_enum.CheckPresubmitErrors( |
| histogram_enum_name=histogram_name, |
| update_script_name='update_bad_message_reasons.py', |
| source_enum_path=source_path, |
| start_marker=START_MARKER, |
| end_marker=end_marker, |
| strip_k_prefix=strip_k_prefix) |
| if presubmit_error: |
| return [output_api.PresubmitPromptWarning(presubmit_error, |
| items=[source_path])] |
| return [] |
