[olympic] Add new loc command to Makefile

Makefile

@@ -52,3 +52,25 @@ configure-gba:
 .PHONY: configure-gba-debug
 configure-gba-debug:
 	${BC_CMD_SETUP_BUILD} --toolchain=deps/gbabuildcore/cmake/modules/GBA.cmake --target=gba --current_build=0 --build_type=debug --build_root=${BC_VAR_BUILD_PATH}
+
+.PHONY: loc
+loc:
+	${BC_PY3} util/scripts/loc.py \
+		--search-dirs \
+			src \
+			deps/ox/src \
+			deps/buildcore \
+			deps/gbabuildcore \
+			deps/glutils \
+			deps/teagba \
+		--include-exts \
+			.cpp \
+			.hpp \
+			.py \
+			.s \
+			.cmake \
+		--exclude-paths \
+			deps/teagba/src/gba_crt0.s \
+			src/olympic/studio/applib/src/font.cpp \
+			src/olympic/studio/applib/src/font.hpp \
+			src/nostalgia/studio/icondata.cpp

util/scripts/loc.py

@@ -0,0 +1,59 @@
+#! /usr/bin/env python3
+
+from pathlib import Path
+import argparse
+
+def parse_args():
+    parser = argparse.ArgumentParser(description="Count and sort lines of code in selected files.")
+    parser.add_argument(
+        "--search-dirs", nargs="+", required=True,
+        help="List of directories to search (recursively)."
+    )
+    parser.add_argument(
+        "--include-exts", nargs="+", required=True,
+        help="List of file extensions to include (e.g. .cpp .hpp .py)"
+    )
+    parser.add_argument(
+        "--exclude-paths", nargs="*", default=[],
+        help="Full file paths to exclude from counting."
+    )
+    return parser.parse_args()
+
+
+def main():
+    args = parse_args()
+    include_exts = tuple(args.include_exts)
+    exclude_paths = {Path(p).resolve() for p in args.exclude_paths}
+    files = []
+    for base in args.search_dirs:
+        path = Path(base)
+        if path.is_dir():
+            for file in path.rglob("*"):
+                try:
+                    resolved_file = file.resolve()
+                    if (
+                        file.is_file()
+                        and file.name.endswith(include_exts)
+                        and resolved_file not in exclude_paths
+                    ):
+                        files.append(str(resolved_file))
+                except FileNotFoundError:
+                    continue
+    line_counts = []
+    total_lines = 0
+    for f in files:
+        try:
+            with open(f, "r", encoding="utf-8", errors="ignore") as file:
+                lines = sum(1 for _ in file)
+            line_counts.append((lines, f))
+            total_lines += lines
+        except Exception as e:
+            print(f"Failed to read {f}: {e}")
+    line_counts.sort()
+    for count, filename in line_counts:
+        print(f"{count:>7} {filename}")
+    print(f"{total_lines:>7} total")
+
+
+if __name__ == "__main__":
+    main()