Initial commit

tools/cppcheck/use-cppcheck.sh

@@ -0,0 +1,65 @@
+#!/bin/bash
+
+usage=\
+"Usage: use-cppcheck.sh
+Run cppcheck with correct options.
+
+Environment variables:
+  PARALLELISM  threads to use, default is 1
+
+  CPPCHECK  cppcheck executable
+  CMAKE     cmake executable"
+
+rsrc="$(dirname "$(realpath "${BASH_SOURCE[0]}")")"
+source "$rsrc/../bashlib.sh"
+
+find_cmd CPPCHECK cppcheck
+find_cmd CMAKE cmake
+
+case "$1" in
+    -h | --help )
+        echo "$usage"
+        exit
+        ;;
+esac
+
+# Generate compile database for CppCheck
+command "$CMAKE" \
+    -B "$build_dir" \
+    -S "$source_dir" \
+    -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
+
+compile_database="$build_dir/compile_commands.json"
+
+mkdir -p "$build_dir/cppcheck"
+
+options=()
+
+while IFS='' read -r line; do
+    [ -z "$line" ] && continue
+    [ "${line:0:1}" = '#' ] && continue
+
+    option="$(
+        CMAKE_SOURCE_DIR="$source_dir" \
+        CMAKE_BINARY_DIR="$build_dir" \
+        envsubst <<<"$line"
+    )"
+
+    options+=("$option")
+done < "$tools_dir/cppcheck/options.txt"
+
+[ -n "${PARALLELISM+x}" ] && options+=(-j "$PARALLELISM")
+
+errors="`
+    echo_and_run "$CPPCHECK" \
+        --project="$compile_database" \
+        -D__CPPCHECK__ \
+        "${options[@]}" \
+    2>&1 >/dev/fd/0 # Store stderr into variable, pass stdout to our stdout
+`"
+
+exit_code="$?"
+if [ "$exit_code" -eq 2 ]; then
+    less - <<<"$errors"
+    exit "$exit_code"
+fi