Index: pkg/analysis_server/lib/src/services/completion/common_usage_computer.dart |
diff --git a/pkg/analysis_server/lib/src/services/completion/common_usage_computer.dart b/pkg/analysis_server/lib/src/services/completion/common_usage_computer.dart |
deleted file mode 100644 |
index 0faba7710b787001dbfae6cc2ba8e5de3d06d809..0000000000000000000000000000000000000000 |
--- a/pkg/analysis_server/lib/src/services/completion/common_usage_computer.dart |
+++ /dev/null |
@@ -1,162 +0,0 @@ |
-// Copyright (c) 2015, 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 services.completion.computer.dart.relevance; |
- |
-import 'package:analysis_server/src/protocol_server.dart' as protocol; |
-import 'package:analysis_server/src/protocol_server.dart' |
- show CompletionSuggestion, CompletionSuggestionKind; |
-import 'package:analysis_server/src/provisional/completion/completion_core.dart'; |
-import 'package:analysis_server/src/provisional/completion/dart/completion_target.dart'; |
-import 'package:analysis_server/src/services/completion/contribution_sorter.dart'; |
-import 'package:analysis_server/src/services/completion/dart_completion_manager.dart' |
- show DART_RELEVANCE_COMMON_USAGE; |
-import 'package:analyzer/src/generated/ast.dart'; |
-import 'package:analyzer/src/generated/element.dart'; |
-import 'package:analyzer/src/task/dart.dart'; |
-import 'package:analyzer/task/dart.dart'; |
- |
-part 'common_usage_generated.dart'; |
- |
-/** |
- * A computer for adjusting the relevance of completions computed by others |
- * based upon common Dart usage patterns. This is a long-lived object |
- * that should not maintain state between calls to it's [sort] method. |
- */ |
-class CommonUsageComputer implements ContributionSorter { |
- /** |
- * A map of <library>.<classname> to an ordered list of method names, |
- * field names, getter names, and named constructors. |
- * The names are ordered from most relevant to least relevant. |
- * Names not listed are considered equally less relevant than those listed. |
- */ |
- Map<String, List<String>> selectorRelevance; |
- |
- CommonUsageComputer([this.selectorRelevance = defaultSelectorRelevance]); |
- |
- @override |
- AnalysisRequest sort(CompletionRequest request, |
- Iterable<CompletionSuggestion> suggestions) { |
- _update(request, suggestions); |
- return null; |
- } |
- |
- CompletionTarget _getCompletionTarget(CompletionRequest request) { |
- // TODO (danrubel) get cached completion target |
- var libSrcs = request.context.getLibrariesContaining(request.source); |
- if (libSrcs.length == 0) { |
- return null; |
- } |
- var libElem = request.context.getResult(libSrcs[0], LIBRARY_ELEMENT1); |
- if (libElem is LibraryElement) { |
- var unit = request.context.getResult( |
- new LibrarySpecificUnit(libElem.source, request.source), |
- RESOLVED_UNIT3); |
- if (unit is CompilationUnit) { |
- return new CompletionTarget.forOffset(unit, request.offset); |
- } |
- } |
- return null; |
- } |
- |
- /** |
- * Adjusts the relevance based on the given completion context. |
- * The compilation unit and completion node |
- * in the given completion context may not be resolved. |
- */ |
- void _update( |
- CompletionRequest request, Iterable<CompletionSuggestion> suggestions) { |
- var target = _getCompletionTarget(request); |
- if (target != null) { |
- var visitor = new _BestTypeVisitor(target.entity); |
- DartType type = target.containingNode.accept(visitor); |
- if (type != null) { |
- Element typeElem = type.element; |
- if (typeElem != null) { |
- LibraryElement libElem = typeElem.library; |
- if (libElem != null) { |
- _updateInvocationRelevance(type, libElem, suggestions); |
- } |
- } |
- } |
- } |
- } |
- |
- /** |
- * Adjusts the relevance of all method suggestions based upon the given |
- * target type and library. |
- */ |
- void _updateInvocationRelevance(DartType type, LibraryElement libElem, |
- Iterable<CompletionSuggestion> suggestions) { |
- String typeName = type.name; |
- List<String> selectors = selectorRelevance['${libElem.name}.${typeName}']; |
- if (selectors != null) { |
- for (CompletionSuggestion suggestion in suggestions) { |
- protocol.Element element = suggestion.element; |
- if (element != null && |
- (element.kind == protocol.ElementKind.CONSTRUCTOR || |
- element.kind == protocol.ElementKind.FIELD || |
- element.kind == protocol.ElementKind.GETTER || |
- element.kind == protocol.ElementKind.METHOD || |
- element.kind == protocol.ElementKind.SETTER) && |
- suggestion.kind == CompletionSuggestionKind.INVOCATION && |
- suggestion.declaringType == typeName) { |
- int index = selectors.indexOf(suggestion.completion); |
- if (index != -1) { |
- suggestion.relevance = DART_RELEVANCE_COMMON_USAGE - index; |
- } |
- } |
- } |
- } |
- } |
-} |
- |
-/** |
- * An [AstVisitor] used to determine the best defining type of a node. |
- */ |
-class _BestTypeVisitor extends GeneralizingAstVisitor { |
- /** |
- * The entity which the completed text will replace (or which will be |
- * displaced once the completed text is inserted). This may be an AstNode or |
- * a Token, or it may be null if the cursor is after all tokens in the file. |
- * See field of the same name in [CompletionTarget]. |
- */ |
- final Object entity; |
- |
- _BestTypeVisitor(this.entity); |
- |
- DartType visitConstructorName(ConstructorName node) { |
- if (node.period != null && node.name == entity) { |
- TypeName typeName = node.type; |
- if (typeName != null) { |
- return typeName.type; |
- } |
- } |
- return null; |
- } |
- |
- DartType visitNode(AstNode node) { |
- return null; |
- } |
- |
- DartType visitPrefixedIdentifier(PrefixedIdentifier node) { |
- if (node.identifier == entity) { |
- SimpleIdentifier prefix = node.prefix; |
- if (prefix != null) { |
- return prefix.bestType; |
- } |
- } |
- return null; |
- } |
- |
- DartType visitPropertyAccess(PropertyAccess node) { |
- if (node.propertyName == entity) { |
- Expression target = node.realTarget; |
- if (target != null) { |
- return target.bestType; |
- } |
- } |
- return null; |
- } |
-} |