| // 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. |
| |
| library fasta.dill_library_builder; |
| |
| import 'dart:convert' show jsonDecode; |
| |
| import 'package:kernel/ast.dart' |
| show |
| Class, |
| DartType, |
| Field, |
| Library, |
| ListLiteral, |
| Member, |
| Procedure, |
| StaticGet, |
| StringLiteral, |
| Typedef; |
| |
| import '../fasta_codes.dart' show templateUnspecified; |
| |
| import '../problems.dart' show internalProblem, unhandled, unimplemented; |
| |
| import '../kernel/kernel_builder.dart' |
| show |
| Declaration, |
| DynamicTypeBuilder, |
| InvalidTypeBuilder, |
| KernelInvalidTypeBuilder, |
| KernelTypeBuilder, |
| LibraryBuilder, |
| Scope; |
| |
| import '../kernel/redirecting_factory_body.dart' show RedirectingFactoryBody; |
| |
| import 'dill_class_builder.dart' show DillClassBuilder; |
| |
| import 'dill_member_builder.dart' show DillMemberBuilder; |
| |
| import 'dill_loader.dart' show DillLoader; |
| |
| import 'dill_typedef_builder.dart' show DillFunctionTypeAliasBuilder; |
| |
| class DillLibraryBuilder extends LibraryBuilder<KernelTypeBuilder, Library> { |
| final Uri uri; |
| |
| final DillLoader loader; |
| |
| Library library; |
| |
| /// Exports that can't be serialized. |
| /// |
| /// The elements of this map are documented in |
| /// [../kernel/kernel_library_builder.dart]. |
| Map<String, String> unserializableExports; |
| |
| DillLibraryBuilder(this.uri, this.loader) |
| : super(uri, new Scope.top(), new Scope.top()); |
| |
| Uri get fileUri => uri; |
| |
| @override |
| String get name => library.name; |
| |
| @override |
| Library get target => library; |
| |
| void becomeCoreLibrary(dynamicType) { |
| if (scope.local["dynamic"] == null) { |
| addBuilder( |
| "dynamic", |
| new DynamicTypeBuilder<KernelTypeBuilder, DartType>( |
| dynamicType, this, -1), |
| -1); |
| } |
| } |
| |
| void addClass(Class cls) { |
| DillClassBuilder classBulder = new DillClassBuilder(cls, this); |
| addBuilder(cls.name, classBulder, cls.fileOffset); |
| cls.procedures.forEach(classBulder.addMember); |
| cls.constructors.forEach(classBulder.addMember); |
| for (Field field in cls.fields) { |
| if (field.name.name == "_redirecting#") { |
| ListLiteral initializer = field.initializer; |
| for (StaticGet get in initializer.expressions) { |
| RedirectingFactoryBody.restoreFromDill(get.target); |
| } |
| } else { |
| classBulder.addMember(field); |
| } |
| } |
| } |
| |
| void addMember(Member member) { |
| String name = member.name.name; |
| if (name == "_exports#") { |
| Field field = member; |
| StringLiteral string = field.initializer; |
| unserializableExports = jsonDecode(string.value); |
| } else { |
| addBuilder(name, new DillMemberBuilder(member, this), member.fileOffset); |
| } |
| } |
| |
| @override |
| Declaration addBuilder(String name, Declaration declaration, int charOffset) { |
| if (name == null || name.isEmpty) return null; |
| bool isSetter = declaration.isSetter; |
| if (isSetter) { |
| scopeBuilder.addSetter(name, declaration); |
| } else { |
| scopeBuilder.addMember(name, declaration); |
| } |
| if (!name.startsWith("_")) { |
| if (isSetter) { |
| exportScopeBuilder.addSetter(name, declaration); |
| } else { |
| exportScopeBuilder.addMember(name, declaration); |
| } |
| } |
| return declaration; |
| } |
| |
| void addTypedef(Typedef typedef) { |
| var typedefBuilder = new DillFunctionTypeAliasBuilder(typedef, this); |
| addBuilder(typedef.name, typedefBuilder, typedef.fileOffset); |
| } |
| |
| @override |
| void addToScope( |
| String name, Declaration member, int charOffset, bool isImport) { |
| unimplemented("addToScope", charOffset, fileUri); |
| } |
| |
| @override |
| Declaration computeAmbiguousDeclaration( |
| String name, Declaration builder, Declaration other, int charOffset, |
| {bool isExport: false, bool isImport: false}) { |
| if (builder == other) return builder; |
| if (builder is InvalidTypeBuilder) return builder; |
| if (other is InvalidTypeBuilder) return other; |
| // For each entry mapping key `k` to declaration `d` in `NS` an entry |
| // mapping `k` to `d` is added to the exported namespace of `L` unless a |
| // top-level declaration with the name `k` exists in `L`. |
| if (builder.parent == this) return builder; |
| return new KernelInvalidTypeBuilder(name, charOffset, fileUri); |
| } |
| |
| @override |
| String get fullNameForErrors { |
| return library.name ?? "<library '${library.fileUri}'>"; |
| } |
| |
| void finalizeExports() { |
| unserializableExports?.forEach((String name, String message) { |
| Declaration declaration; |
| switch (name) { |
| case "dynamic": |
| case "void": |
| // TODO(ahe): It's likely that we shouldn't be exporting these types |
| // from dart:core, and this case can be removed. |
| declaration = loader.coreLibrary.exportScopeBuilder[name]; |
| break; |
| |
| default: |
| declaration = new KernelInvalidTypeBuilder( |
| name, |
| -1, |
| null, |
| message == null |
| ? null |
| : templateUnspecified.withArguments(message)); |
| } |
| exportScopeBuilder.addMember(name, declaration); |
| }); |
| |
| for (var reference in library.additionalExports) { |
| var node = reference.node; |
| Uri libraryUri; |
| String name; |
| bool isSetter = false; |
| if (node is Class) { |
| libraryUri = node.enclosingLibrary.importUri; |
| name = node.name; |
| } else if (node is Procedure) { |
| libraryUri = node.enclosingLibrary.importUri; |
| name = node.name.name; |
| isSetter = node.isSetter; |
| } else if (node is Member) { |
| libraryUri = node.enclosingLibrary.importUri; |
| name = node.name.name; |
| } else if (node is Typedef) { |
| libraryUri = node.enclosingLibrary.importUri; |
| name = node.name; |
| } else { |
| unhandled("${node.runtimeType}", "finalizeExports", -1, fileUri); |
| } |
| DillLibraryBuilder library = loader.builders[libraryUri]; |
| if (library == null) { |
| internalProblem( |
| templateUnspecified.withArguments("No builder for '$libraryUri'."), |
| -1, |
| fileUri); |
| } |
| Declaration declaration; |
| if (isSetter) { |
| declaration = library.exportScope.setters[name]; |
| exportScopeBuilder.addSetter(name, declaration); |
| } else { |
| declaration = library.exportScope.local[name]; |
| exportScopeBuilder.addMember(name, declaration); |
| } |
| if (declaration == null) { |
| internalProblem( |
| templateUnspecified.withArguments( |
| "Exported element '$name' not found in '$libraryUri'."), |
| -1, |
| fileUri); |
| } |
| assert(node == declaration.target); |
| } |
| } |
| } |