tools: Implement and inject enumproc CLI tool for script-preprocessing

tools/scripts/make_script_bin.sh

@@ -8,6 +8,7 @@ help() {
     echo "  -h | --help         print this help message and exit"
     echo "  -i | --include      append an include directory for the assembler"
     echo "  -a | --assembler    path to the assembler executable"
+    echo "  -E | --enumproc     path to the enumproc executable for translating enums to preproc #defines"
     echo "  -o | --objcopy      path to the objcopy executable for data extraction"
     echo "  -d | --out-dir      directory for output files (default: current directory)"
     echo "  -M | --depfile      output a compiler-generated depfile for the source"
@@ -39,6 +40,11 @@ while [[ $# -gt 0 ]] ; do
             shift
             shift
             ;;
+        -E|--enumproc)
+            ENUMPROC="$2"
+            shift
+            shift
+            ;;
         -o|--objcopy)
             OBJCOPY="$2"
             shift
@@ -64,6 +70,8 @@ while [[ $# -gt 0 ]] ; do
     esac
 done
 
+if [[ -z ${ENUMPROC:-} ]]; then echo "error: enumproc not specified!"; exit 1; fi
+
 for script_file in "${SCRIPT_FILES[@]}" ; do
     script_fname=${script_file##*/}
     script_noext=${script_fname%.*}
@@ -78,7 +86,9 @@ for script_file in "${SCRIPT_FILES[@]}" ; do
     script_bin="$OUTDIR/$script_noext"
 
     # Convert + clean-up
-    $AS $MD -c -x assembler-with-cpp "${INCLUDE_ARGS[@]}" -o "$script_obj" "$script_file"
+    $AS $MD -E -x assembler-with-cpp "${INCLUDE_ARGS[@]}" "$script_file" \
+        | $ENUMPROC \
+        | $AS -x assembler-with-cpp -o "$script_obj" -c -
     $OBJCOPY -O binary --file-alignment 4 "$script_obj" "$script_bin"
     $LD "$script_obj" -o "$script_obj.dummy"
     rm "$script_obj" "$script_obj.dummy"