Add a clang-format target.

1 files changed, 37 insertions, 0 deletions

diff --git a/mesonbuild/scripts/clangformat.py b/mesonbuild/scripts/clangformat.py
new file mode 100644
index 0000000..fcdf5af
--- /dev/null
+++ b/mesonbuild/scripts/clangformat.py
@@ -0,0 +1,37 @@
+# Copyright 2018 The Meson development team
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import pathlib
+import subprocess
+from concurrent.futures import ThreadPoolExecutor
+
+from ..compilers import lang_suffixes
+
+def clangformat(srcdir_name, builddir_name):
+    srcdir = pathlib.Path(srcdir_name)
+    suffixes = set(lang_suffixes['c']).union(set(lang_suffixes['cpp']))
+    futures = []
+    with ThreadPoolExecutor() as e:
+        for f in (x for suff in suffixes for x in srcdir.glob('**/*.' + suff)):
+            strf = str(f)
+            if strf.startswith(builddir_name):
+                continue
+            futures.append(e.submit(subprocess.check_call, ['clang-format', '-style=file', '-i', strf]))
+        [x.result() for x in futures]
+    return 0
+
+def run(args):
+    srcdir_name = args[0]
+    builddir_name = args[1]
+    return clangformat(srcdir_name, builddir_name)