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# taken from nixpgks: pkgs/development/tools/parsing/tree-sitter/grammar.nix
{
  yt,
  stdenv,
  nodejs,
  tree-sitter,
}:
stdenv.mkDerivation {
  pname = "yts-grammar";
  version = "1.0.0";

  inherit (yt) src;
  sourceRoot = "yt/tree-sitter-yts";

  nativeBuildInputs = [nodejs tree-sitter];

  CFLAGS = ["-Isrc" "-O2"];
  CXXFLAGS = ["-Isrc" "-O2"];

  stripDebugList = ["parser"];

  configurePhase = ''
    tree-sitter generate
  '';

  # When both scanner.{c,cc} exist, we should not link both since they may be the same but in
  # different languages. Just randomly prefer C++ if that happens.
  buildPhase = ''
    runHook preBuild
    if [[ -e src/scanner.cc ]]; then
      $CXX -fPIC -c src/scanner.cc -o scanner.o $CXXFLAGS
    elif [[ -e src/scanner.c ]]; then
      $CC -fPIC -c src/scanner.c -o scanner.o $CFLAGS
    fi
    $CC -fPIC -c src/parser.c -o parser.o $CFLAGS
    rm -rf parser
    $CXX -shared -o parser *.o
    runHook postBuild
  '';

  installPhase = ''
    runHook preInstall
    mkdir $out
    mv parser $out/
    if [[ -d queries ]]; then
      cp -r queries $out
    fi
    runHook postInstall
  '';
}