pkg/analysis_services/lib/src/completion/top_level_computer.dart - Issue 458073002: rename and improve imported completion computer

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Side by Side Diff: pkg/analysis_services/lib/src/completion/top_level_computer.dart

Issue 458073002: rename and improve imported completion computer (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: merge Created 6 years, 4 months ago

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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.

4

5 library services.completion.computer.dart.toplevel;

6

7 import 'dart:async';

8

9 import 'package:analysis_services/completion/completion_computer.dart';

10 import 'package:analysis_services/completion/completion_suggestion.dart';

11 import 'package:analysis_services/search/search_engine.dart';

12 import 'package:analyzer/src/generated/ast.dart';

13 import 'package:analyzer/src/generated/element.dart';

14

15 /**

16 * A computer for calculating class and top level variable

17 * `completion.getSuggestions` request results

18 */

19 class TopLevelComputer extends CompletionComputer {

20

21 @override

22 bool computeFast(CompilationUnit unit,

23 List<CompletionSuggestion> suggestions) {

24 // TODO: implement computeFast

25 return false;

26 }

27

28 @override

29 Future<bool> computeFull(CompilationUnit unit,

30 List<CompletionSuggestion> suggestions) {

31 var future = searchEngine.searchTopLevelDeclarations('');

32 return future.then((List<SearchMatch> matches) {

33

34 // Compute the set of visible libraries to determine relevance

35 var visibleLibraries = new Set<LibraryElement>();

36 var unitLibrary = unit.element.library;

37 visibleLibraries.add(unitLibrary);

38 visibleLibraries.addAll(unitLibrary.importedLibraries);

39

40 // Compute the set of possible classes and top level variables

41 matches.forEach((SearchMatch match) {

42 if (match.kind == MatchKind.DECLARATION) {

43 Element element = match.element;

44 if (element.isPublic \|\| element.library == unitLibrary) {

45 String completion = element.displayName;

46 var relevance = visibleLibraries.contains(element.library) ?

47 CompletionRelevance.DEFAULT :

48 CompletionRelevance.LOW;

49 suggestions.add(

50 new CompletionSuggestion(

51 CompletionSuggestionKind.fromElementKind(element.kind),

52 relevance,

53 completion,

54 completion.length,

55 0,

56 element.isDeprecated,

57 false // isPotential

58 ));

59 }

60 }

61 });

62 return true;

63 });

64 }

65 }

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