content: {-
    Copyright (c) Meta Platforms, Inc. and affiliates.
    All rights reserved.
  
    This source code is licensed under the BSD-style license found in the
    LICENSE file in the root directory of this source tree.
  -}
  
  {-# LANGUAGE ApplicativeDo #-}
  module Glean.Indexer.RustLsif ( indexer ) where
  
  import Options.Applicative
  
  import Glean.Indexer
  import Glean.Indexer.External
  import Glean.Indexer.LSIF ( derive )
  import Glean.LSIF.Driver as LSIF
  
  newtype RustLsif = RustLsif
    { rustAnalyzerBinary :: FilePath
    }
  
  options :: Parser RustLsif
  options = do
    rustAnalyzerBinary <- strOption $
      long "rust-analyzer" <>
      value "rust-analyzer" <>
      help "path to the rust-analyzer binary"
    return RustLsif{..}
  
  indexer :: Indexer RustLsif
  indexer = Indexer {
    indexerShortName = "rust-lsif",
    indexerDescription = "Index Rust code via LSIF",
    indexerOptParser = options,
    indexerRun = \RustLsif{..} backend repo IndexerParams{..} -> do
      let
        params = LsifIndexerParams {
          lsifBinary = rustAnalyzerBinary,
          lsifArgs = \_outFile -> [ "lsif", "." ],
          lsifRoot = indexerRoot,
          lsifStdout = True
        }
      val <- LSIF.runIndexer params
      sendJsonBatches backend repo (rustAnalyzerBinary <> "/lsif") val
      derive backend repo
    }
  