Add clang-tidy target. Closes #2383.

2 files changed, 45 insertions, 1 deletions

diff --git a/mesonbuild/backend/ninjabackend.py b/mesonbuild/backend/ninjabackend.py
index 1f3fb77..fe1eee6 100644
--- a/mesonbuild/backend/ninjabackend.py
+++ b/mesonbuild/backend/ninjabackend.py
@@ -2657,7 +2657,6 @@ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47485'''))
         self.create_target_alias('meson-scan-build')
 
     def generate_clangtool(self, name):
-        import shutil
         target_name = 'clang-' + name
         if not os.path.exists(os.path.join(self.environment.source_dir, '.clang-' + name)) and \
                 not os.path.exists(os.path.join(self.environment.source_dir, '_clang-' + name)):
@@ -2677,10 +2676,17 @@ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47485'''))
             return
         self.generate_clangtool('format')
 
+    def generate_clangtidy(self):
+        import shutil
+        if not shutil.which('clang-tidy'):
+            return
+        self.generate_clangtool('tidy')
+
     # For things like scan-build and other helper tools we might have.
     def generate_utils(self):
         self.generate_scanbuild()
         self.generate_clangformat()
+        self.generate_clangtidy()
         cmd = self.environment.get_build_command() + ['--internal', 'uninstall']
         elem = NinjaBuildElement(self.all_outputs, 'meson-uninstall', 'CUSTOM_COMMAND', 'PHONY')
         elem.add_item('COMMAND', cmd)
diff --git a/mesonbuild/scripts/clangtidy.py b/mesonbuild/scripts/clangtidy.py
new file mode 100644
index 0000000..11c737f
--- /dev/null
+++ b/mesonbuild/scripts/clangtidy.py
@@ -0,0 +1,38 @@
+# Copyright 2019 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']))
+    suffixes.add('h')
+    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-tidy', '-p', builddir_name, 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)