Add a presubmit check for absl/memory/memory.h inclusion
This adds a presubmit check that warns missing memory.h inclusion
when a source file use absl::make_unique. That header tends to be
included transitively on pre-C++17 mode, but doesn't on C++17 mode.
Bug: chromium:752720
Change-Id: I235287f4f7407d48bfad35da86da47bc602f03ce
Reviewed-on: https://webrtc-review.googlesource.com/c/111040
Commit-Queue: Taiju Tsuiki <tzik@chromium.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25655}
diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index 0bcf997..34b5adf 100755
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -864,6 +864,8 @@
input_api, output_api, non_third_party_sources))
results.extend(CheckAddedDepsHaveTargetApprovals(input_api, output_api))
results.extend(CheckApiDepsFileIsUpToDate(input_api, output_api))
+ results.extend(CheckAbslMemoryInclude(
+ input_api, output_api, non_third_party_sources))
return results
@@ -920,6 +922,30 @@
return results
+def CheckAbslMemoryInclude(input_api, output_api, source_file_filter):
+ pattern = input_api.re.compile(
+ r'^#include\s*"absl/memory/memory.h"', input_api.re.MULTILINE)
+ file_filter = lambda f: (f.LocalPath().endswith(('.cc', '.h'))
+ and source_file_filter(f))
+
+ files = []
+ for f in input_api.AffectedFiles(
+ include_deletes=False, file_filter=file_filter):
+ contents = input_api.ReadFile(f)
+ if pattern.search(contents):
+ continue
+ for _, line in f.ChangedContents():
+ if 'absl::make_unique' in line:
+ files.append(f)
+ break
+
+ if len(files):
+ return [output_api.PresubmitError(
+ 'Please include "absl/memory/memory.h" header for'
+ ' absl::make_unique.\nThis header may or may not be included'
+ ' transitively depends on the C++ standard version.',
+ files)]
+ return []
def CheckChangeOnUpload(input_api, output_api):
results = []