#!/usr/bin/env bash
set -euo pipefail

cd "$(dirname "$0")"

linuxcnc_root=${LINUXCNC_ROOT:-../linuxcnc}
manifest=${1:-linuxcnc-rs274-wasm-source-files.txt}
cxx=${CXX:-g++}

if [[ ! -f "$manifest" ]]; then
    echo "missing manifest: $manifest" >&2
    exit 1
fi

if [[ ! -d "$linuxcnc_root" ]]; then
    echo "missing LinuxCNC root: $linuxcnc_root" >&2
    exit 1
fi

common_flags=(
    -std=c++20
    -DULAPI
    -fsyntax-only
    -include wctype.h
    -I "$(pwd)/core/include"
    -I "$(pwd)/core/src"
    -I "$(pwd)/core/wasm_shims"
    -I "$linuxcnc_root/src"
    -I "$linuxcnc_root/src/emc"
    -I "$linuxcnc_root/src/emc/nml_intf"
    -I "$linuxcnc_root/src/emc/rs274ngc"
    -I "$linuxcnc_root/src/emc/motion"
    -I "$linuxcnc_root/include"
)

sources=()
while IFS=: read -r group path note; do
    case "$group" in
        core)
            if [[ ! -f "$linuxcnc_root/$path" ]]; then
                echo "missing manifest source: $path" >&2
                exit 1
            fi
            sources+=("$path")
            ;;
        ""|\#*|blocked)
            ;;
        *)
            echo "unknown manifest group: $group" >&2
            exit 1
            ;;
    esac
done < "$manifest"

for source in "${sources[@]}"; do
    "$cxx" "${common_flags[@]}" "$linuxcnc_root/$source"
done

echo "linuxcnc wasm-safe source syntax probe passed (${#sources[@]} files)"