add contrib/utilities/run_clang_tidy.sh

diff --git a/contrib/utilities/run_clang_tidy.sh b/contrib/utilities/run_clang_tidy.sh
new file mode 100755 (executable)
index 0000000..5b7e59f
--- /dev/null
+++ b/contrib/utilities/run_clang_tidy.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+## ---------------------------------------------------------------------
+##
+## Copyright (C) 2018 by the deal.II authors
+##
+## This file is part of the deal.II library.
+##
+## The deal.II library is free software; you can use it, redistribute
+## it, and/or modify it under the terms of the GNU Lesser General
+## Public License as published by the Free Software Foundation; either
+## version 2.1 of the License, or (at your option) any later version.
+## The full text of the license can be found in the file LICENSE at
+## the top level of the deal.II distribution.
+##
+## ---------------------------------------------------------------------
+
+#
+# This script runs the clang-tidy tool on the deal.II code base.
+#
+#
+# Usage:
+# /contrib/utilities/run_clang_tidy.sh SRC_DIR OPTIONAL_CMAKE_ARGS
+#   with:
+#     SRC_DIR is an absolute path to a deal.II source directory
+#     OPTIONAL_CMAKE_ARGS are optional arguments to pass to CMake
+#   make sure to run this script in an empty build directory
+#
+# Requirements:
+# Clang 5.0.1+ and have clang, clang++, and run-clang-tidy.py in
+# your path.
+
+# grab first argument:
+SRC=$1
+shift
+
+if test ! -d "$SRC/source" -o ! -d "$SRC/include" -o ! -d "$SRC/examples" -o ! -f "$SRC/CMakeLists.txt" ; then
+    echo "Usage:"
+    echo "  run_clang_tidy.sh /path/to/dealII"
+    exit 1
+fi
+echo "SRC-DIR=$SRC"
+
+# disable muparser (to avoid warnings with bundled one)
+# enable MPI (to get MPI warnings)
+# export compile commands (so that run-clang-tidy.py works)
+ARGS="-D DEAL_II_WITH_MUPARSER=OFF -D DEAL_II_WITH_MPI=ON -D CMAKE_EXPORT_COMPILE_COMMANDS=ON @$"
+
+# disable performance-inefficient-string-concatenation because we don't care about "a"+to_string(5)+...
+CHECKS="-*,mpi-*,performance-*,modernize-use-emplace,-performance-inefficient-string-concatenation"
+
+if test -z "$(which run-clang-tidy.py)" -o -z "$(which clang++)" ; then
+    echo "make sure clang, clang++, and run-clang-tidy.py (part of clang) is in the path"
+    exit 2
+fi
+
+CC=clang CXX=clang++ cmake "$ARGS" "$SRC" || (echo "cmake failed!"; false) || exit 2
+
+make expand_all_instantiations -j 4 || (echo "make expand_all_instantiations failed!"; false) || exit 3
+
+run-clang-tidy.py -p . -checks="$CHECKS" -quiet -header-filter="$SRC/include/*"