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

cd "$(dirname "$0")"

filter=${1:-}

awk '
    /set\(cnc_sim_core_sources/ {
        in_core = 1
        next
    }
    in_core && /^[[:space:]]*\)/ {
        in_core = 0
        next
    }
    /list\(APPEND cnc_sim_core_sources/ {
        in_backend_sources = 1
        next
    }
    in_backend_sources && /^[[:space:]]*\)/ {
        in_backend_sources = 0
        next
    }
    in_core || in_backend_sources {
        line = $0
        sub(/^[[:space:]]*/, "", line)
        sub(/[[:space:]]*$/, "", line)
        if (line == "") {
            next
        }
        print "core/" line
    }
' core/CMakeLists.txt | while IFS= read -r source; do
    if [[ ! -f "$source" ]]; then
        echo "missing LinuxCNC rs274 API project source: $source" >&2
        exit 1
    fi
    if [[ -n "$filter" && "$(basename "$source")" != "$filter" ]]; then
        continue
    fi
    printf '%s\n' "$source"
done | {
    found=0
    while IFS= read -r source; do
        found=1
        printf '%s\n' "$source"
    done
    if [[ -n "$filter" && "$found" -eq 0 ]]; then
        echo "missing LinuxCNC rs274 API project source in CMake list: $filter" >&2
        exit 1
    fi
}