#!/usr/bin/env bash

set -e

function usage {
  cat <<-EOF
USAGE

  $0  [-Ld] [-l language-name] [-f example-file-name]

OPTIONS

  -h  print this message

  -l  run only the benchmarks for the given language

  -f  run only the benchmarks that parse the file with the given name

  -d  run tests in a debugger (either lldb or gdb)

  -L  run benchmarks with parse logging turned on

  -b  run make under the scan-build static analyzer

EOF
}

if [ "$(uname -s)" == "Darwin" ]; then
  export LINK="clang++ -fsanitize=address"
fi

mode=normal
export BUILDTYPE=Test
cmd=out/Test/benchmarks
run_scan_build=

while getopts "bdhf:l:SL" option; do
  case ${option} in
    h)
      usage
      exit
      ;;
    d)
      mode=debug
      ;;
    f)
      export TREE_SITTER_BENCHMARK_FILE_NAME=${OPTARG}
      ;;
    l)
      export TREE_SITTER_BENCHMARK_LANGUAGE=${OPTARG}
      ;;
    L)
      export TREE_SITTER_BENCHMARK_LOG=1
      ;;
    b)
      run_scan_build=true
      ;;
  esac
done

if [[ -n "$run_scan_build" ]]; then
  scan_build make -j2 $target
else
  make -j2 benchmarks
fi

case $mode in
  debug)
    lldb $cmd
    ;;

  normal)
    exec $cmd
    ;;
esac