Merge master into feature/GraphingCalculator branch (#585)

* Merge master into feature/GraphingCalculator branch

Tools/Scripts/clang-format/clang-format-all.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+function usage {
+    echo "Usage: $0 DIR..."
+    exit 1
+}
+
+# Variable that will hold the name of the clang-format command
+FMT=""
+
+# Some distros just call it clang-format. Others (e.g. Ubuntu) are insistent
+# that the version number be part of the command. We prefer clang-format if
+# that's present, otherwise we work backwards from highest version to lowest
+# version.
+for clangfmt in clang-format{,-{4,3}.{9,8,7,6,5,4,3,2,1,0}}; do
+    if which "$clangfmt" &>/dev/null; then
+        FMT="$clangfmt"
+        break
+    fi
+done
+
+# Check if we found a working clang-format
+if [ -z "$FMT" ]; then
+    echo "failed to find clang-format"
+    exit 1
+fi
+
+SRC_PATH="$@"
+if [ -z "$SRC_PATH" ]; then
+    SRC_PATH="../../../src"
+fi
+
+# Check all of the arguments first to make sure they're all directories
+for dir in "$SRC_PATH"; do
+    if [ ! -d "${dir}" ]; then
+        echo "${dir} is not a directory"
+        usage
+    fi
+done
+
+# Run clang-format -i on all of the things
+for dir in "$SRC_PATH"; do
+    pushd "${dir}" &>/dev/null
+    find . \
+         \( -name '*.c' \
+         -o -name '*.cc' \
+         -o -name '*.cpp' \
+         -o -name '*.h' \
+         -o -name '*.hh' \
+         -o -name '*.hpp' \) \
+         -exec "${FMT}" -style=file -i '{}' \;
+    popd &>/dev/null
+done