brianwilkerson@google.com
dd306dc9eb
R=scheglov@google.com Review URL: https://codereview.chromium.org//829133007 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@42704 260f80e4-7a28-3924-810f-c04153c831b5
105 lines
2.9 KiB
Dart
105 lines
2.9 KiB
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library testing.abstract_context;
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import 'package:analyzer/file_system/file_system.dart';
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import 'package:analyzer/file_system/memory_file_system.dart';
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import 'package:analyzer/src/generated/ast.dart';
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import 'package:analyzer/src/generated/element.dart';
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import 'package:analyzer/src/generated/engine.dart';
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import 'package:analyzer/src/generated/sdk.dart';
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import 'package:analyzer/src/generated/source_io.dart';
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import 'mock_sdk.dart';
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/**
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* Finds an [Element] with the given [name].
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*/
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Element findChildElement(Element root, String name, [ElementKind kind]) {
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Element result = null;
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root.accept(new _ElementVisitorFunctionWrapper((Element element) {
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if (element.name != name) {
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return;
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}
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if (kind != null && element.kind != kind) {
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return;
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}
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result = element;
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}));
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return result;
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}
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/**
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* A function to be called for every [Element].
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*/
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typedef void _ElementVisitorFunction(Element element);
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class AbstractContextTest {
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static final DartSdk SDK = new MockSdk();
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static final UriResolver SDK_RESOLVER = new DartUriResolver(SDK);
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MemoryResourceProvider provider = new MemoryResourceProvider();
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UriResolver resourceResolver;
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AnalysisContext context;
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Source addSource(String path, String content) {
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File file = provider.newFile(path, content);
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Source source = file.createSource();
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ChangeSet changeSet = new ChangeSet();
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changeSet.addedSource(source);
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context.applyChanges(changeSet);
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context.setContents(source, content);
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return source;
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}
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/**
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* Performs all analysis tasks in [context].
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*/
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void performAllAnalysisTasks() {
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while (true) {
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AnalysisResult result = context.performAnalysisTask();
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if (!result.hasMoreWork) {
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break;
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}
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}
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}
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CompilationUnit resolveDartUnit(Source unitSource, Source librarySource) {
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return context.resolveCompilationUnit2(unitSource, librarySource);
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}
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CompilationUnit resolveLibraryUnit(Source source) {
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return context.resolveCompilationUnit2(source, source);
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}
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void setUp() {
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resourceResolver = new ResourceUriResolver(provider);
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context = AnalysisEngine.instance.createAnalysisContext();
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context.sourceFactory = new SourceFactory([SDK_RESOLVER, resourceResolver]);
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}
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void tearDown() {
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context = null;
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provider = null;
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}
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}
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/**
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* Wraps the given [_ElementVisitorFunction] into an instance of
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* [engine.GeneralizingElementVisitor].
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*/
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class _ElementVisitorFunctionWrapper extends GeneralizingElementVisitor {
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final _ElementVisitorFunction function;
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_ElementVisitorFunctionWrapper(this.function);
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visitElement(Element element) {
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function(element);
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super.visitElement(element);
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}
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}
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