pkg/front_end/lib/src/base/export.dart

// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:kernel/ast.dart';

import '../builder/builder.dart';
import '../builder/compilation_unit.dart';
import '../builder/library_builder.dart';
import 'combinator.dart' show CombinatorBuilder;
import 'uri_offset.dart';

class Export(
  /// The compilation unit that is exporting [exported].
  final SourceCompilationUnit exporter,

  /// The library being exported.
  var CompilationUnit exportedCompilationUnit,
  final List<CombinatorBuilder>? combinators,
  final int charOffset,
) {
  LibraryBuilder get exportedLibraryBuilder =>
      exportedCompilationUnit.libraryBuilder;

  /// The [LibraryDependency] node corresponding to this import.
  ///
  /// This set in [SourceLibraryBuilder._addDependencies].
  late final LibraryDependency libraryDependency;

  bool addToExportScope(String name, NamedBuilder member) {
    if (combinators != null) {
      for (CombinatorBuilder combinator in combinators!) {
        if (combinator.isShow && !combinator.names.contains(name)) return false;
        if (combinator.isHide &&
            // Coverage-ignore(suite): Not run.
            combinator.names.contains(name)) {
          return false;
        }
      }
    }
    return exporter.libraryBuilder.addToExportScope(
      name,
      member,
      uriOffset: new UriOffset(exporter.fileUri, charOffset),
    );
  }
}