| // Copyright (c) 2019, 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:analyzer/src/summary/idl.dart'; |
| import 'package:analyzer/src/summary2/builder/prefix_builder.dart'; |
| import 'package:analyzer/src/summary2/declaration.dart'; |
| import 'package:analyzer/src/summary2/linked_unit_context.dart'; |
| import 'package:analyzer/src/summary2/reference.dart'; |
| import 'package:analyzer/src/summary2/scope.dart'; |
| |
| class LibraryBuilder { |
| final Uri uri; |
| final Reference reference; |
| final List<UnitBuilder> units = []; |
| |
| /// The import scope of the library. |
| final Scope importScope; |
| |
| /// Local declarations, enclosed by [importScope]. |
| final Scope scope; |
| |
| /// The export scope of the library. |
| final Scope exportScope = Scope.top(); |
| |
| LibraryBuilder(Uri uri, Reference reference) |
| : this._(uri, reference, Scope.top()); |
| |
| LibraryBuilder._(this.uri, this.reference, this.importScope) |
| : scope = Scope(importScope, <String, Declaration>{}); |
| |
| /// Add top-level declaration of the library units to the local scope. |
| void addLocalDeclarations() { |
| for (var unit in units) { |
| for (var node in unit.node.compilationUnit_declarations) { |
| if (node.kind == LinkedNodeKind.classDeclaration) { |
| var name = unit.context.getUnitMemberName(node); |
| var reference = this.reference.getChild('@class').getChild(name); |
| reference.node = node; |
| var declaration = Declaration(name, reference); |
| scope.declare(name, declaration); |
| } else { |
| // TODO(scheglov) implement |
| throw UnimplementedError(); |
| } |
| } |
| } |
| } |
| |
| /// Return `true` if the export scope was modified. |
| bool addToExportScope(String name, Declaration declaration) { |
| if (name.startsWith('_')) return false; |
| if (declaration is PrefixBuilder) return false; |
| |
| var existing = exportScope.map[name]; |
| if (existing == declaration) return false; |
| |
| // Ambiguous declaration detected. |
| if (existing != null) return false; |
| |
| exportScope.map[name] = declaration; |
| return true; |
| } |
| |
| void addUnit(LinkedUnitContext context, LinkedNode node) { |
| units.add(UnitBuilder(context, node)); |
| } |
| |
| void buildInitialExportScope() { |
| // TODO(scheglov) Maybe store export scopes in summaries? |
| scope.forEach((name, declaration) { |
| addToExportScope(name, declaration); |
| }); |
| } |
| } |
| |
| class UnitBuilder { |
| final LinkedUnitContext context; |
| final LinkedNode node; |
| |
| UnitBuilder(this.context, this.node); |
| } |