rs_bindings_from_cc/generate_bindings_and_metadata.cc

// Part of the Crubit project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

#include "rs_bindings_from_cc/generate_bindings_and_metadata.h"

#include "common/status_macros.h"
#include "rs_bindings_from_cc/collect_instantiations.h"
#include "rs_bindings_from_cc/ir_from_cc.h"
#include "rs_bindings_from_cc/src_code_gen.h"

namespace crubit {

absl::StatusOr<BindingsAndMetadata> GenerateBindingsAndMetadata(
    Cmdline& cmdline, std::vector<std::string> clang_args,
    absl::flat_hash_map<const HeaderName, const std::string>
        virtual_headers_contents) {
  std::vector<absl::string_view> clang_args_view;
  clang_args_view.insert(clang_args_view.end(), clang_args.begin(),
                         clang_args.end());

  CRUBIT_ASSIGN_OR_RETURN(
      std::vector<std::string> requested_instantiations,
      crubit::CollectInstantiations(cmdline.rust_sources()));

  CRUBIT_ASSIGN_OR_RETURN(
      IR ir, crubit::IrFromCc(
                 /* extra_source_code= */ "", cmdline.current_target(),
                 cmdline.public_headers(), virtual_headers_contents,
                 cmdline.headers_to_targets(), clang_args_view,
                 requested_instantiations));

  CRUBIT_ASSIGN_OR_RETURN(
      crubit::Bindings bindings,
      crubit::GenerateBindings(ir, cmdline.crubit_support_path(),
                               cmdline.rustfmt_exe_path(),
                               cmdline.rustfmt_config_path()));

  return BindingsAndMetadata{
      .ir = ir,
      .rs_api = bindings.rs_api,
      .rs_api_impl = bindings.rs_api_impl,
  };
}

}  // namespace crubit