#!/usr/bin/env bash
#
# Run the HLS pragma linter over the practicals.
#
# Usage:
#   ./lint.sh                                   # every source under Practicals/
#   ./lint.sh path/to/file.cpp [more.cpp ...]   # just these
#
# Exits non-zero if anything is wrong, so it also works as a pre-commit or CI
# check. For inline diagnostics inside nvim, see nvim/plugin/hls_pragma_lint.lua
#
set -euo pipefail

here="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

if [ "$#" -gt 0 ]; then
    exec python3 "$here/hls_pragma_lint.py" "$@"
fi

# Resolve the parent properly: find returns the path as given, and
# ".../hlsdev/.." would contain "/hlsdev/" and defeat the exclusions below.
root="$(cd "$here/.." && pwd)"

# Every hand-written source, skipping generated HLS build output and our own
# tooling. Paths in the practicals never contain spaces (Vitis requires it).
files="$(find "$root" -type f \( \
    -name '*.cpp' -o -name '*.cc' -o -name '*.cxx' -o -name '*.c' \
    -o -name '*.h' -o -name '*.hpp' \) \
    -not -path '*/hls/*' -not -path '*/hlsdev/*' | sort)"

if [ -z "$files" ]; then
    echo "no source files found" >&2
    exit 0
fi

echo "$files" | sed "s|^$root/|  |"
echo
# shellcheck disable=SC2086
exec python3 "$here/hls_pragma_lint.py" $files