List parseToBindings()

in lib/src/header_parser/parser.dart [55:117]
42 lines of code
5 McCabe index (conditional complexity)

List<Binding> parseToBindings() {
  final index = clang.clang_createIndex(0, 0);

  Pointer<Pointer<Utf8>> clangCmdArgs = nullptr;
  var cmdLen = 0;

  /// Add compiler opt for comment parsing for clang based on config.
  if (config.commentType.length != CommentLength.none &&
      config.commentType.style == CommentStyle.any) {
    config.compilerOpts.add(strings.fparseAllComments);
  }

  _logger.fine('CompilerOpts used: ${config.compilerOpts}');
  clangCmdArgs = createDynamicStringArray(config.compilerOpts);
  cmdLen = config.compilerOpts.length;

  // Contains all bindings. A set ensures we never have duplicates.
  final bindings = <Binding>{};

  // Log all headers for user.
  _logger.info('Input Headers: ${config.headers.entryPoints}');

  for (final headerLocation in config.headers.entryPoints) {
    _logger.fine('Creating TranslationUnit for header: $headerLocation');

    final tu = clang.clang_parseTranslationUnit(
      index,
      headerLocation.toNativeUtf8().cast(),
      clangCmdArgs.cast(),
      cmdLen,
      nullptr,
      0,
      clang_types.CXTranslationUnit_Flags.CXTranslationUnit_SkipFunctionBodies |
          clang_types.CXTranslationUnit_Flags
              .CXTranslationUnit_DetailedPreprocessingRecord,
    );

    if (tu == nullptr) {
      _logger.severe(
          "Skipped header/file: $headerLocation, couldn't parse source.");
      // Skip parsing this header.
      continue;
    }

    logTuDiagnostics(tu, _logger, headerLocation);
    final rootCursor = clang.clang_getTranslationUnitCursor(tu);

    bindings.addAll(parseTranslationUnit(rootCursor));

    // Cleanup.
    clang.clang_disposeTranslationUnit(tu);
  }

  // Add all saved unnamed enums.
  bindings.addAll(unnamedEnumConstants);

  // Parse all saved macros.
  bindings.addAll(parseSavedMacros()!);

  clangCmdArgs.dispose(config.compilerOpts.length);
  clang.clang_disposeIndex(index);
  return bindings.toList();
}