abc8878547
Share code for parsing `DirectiveMetadata` values between the transformer and the analyzer plugin.
53 lines
1.9 KiB
Dart
53 lines
1.9 KiB
Dart
library angular2.src.analysis.analyzer_plugin.src.tasks;
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import 'package:analyzer/src/generated/ast.dart' hide Directive;
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import 'package:analyzer/src/generated/engine.dart';
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import 'package:analyzer/src/task/general.dart';
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import 'package:analyzer/task/dart.dart';
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import 'package:analyzer/task/model.dart';
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import 'package:angular2/src/render/api.dart';
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import 'package:angular2/src/transform/common/directive_metadata_reader.dart';
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/// The [DirectiveMetadata]s of a [LibrarySpecificUnit].
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final ListResultDescriptor<DirectiveMetadata> DIRECTIVES =
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new ListResultDescriptor<DirectiveMetadata>('ANGULAR2_DIRECTIVES', null);
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/// A task that builds [DirectiveMetadata]s for directive classes.
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class BuildUnitDirectivesTask extends SourceBasedAnalysisTask {
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static const String UNIT_INPUT = 'UNIT_INPUT';
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static final TaskDescriptor DESCRIPTOR = new TaskDescriptor(
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'BuildUnitDirectivesTask', createTask, buildInputs,
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<ResultDescriptor>[DIRECTIVES]);
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BuildUnitDirectivesTask(AnalysisContext context, AnalysisTarget target)
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: super(context, target);
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@override
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TaskDescriptor get descriptor => DESCRIPTOR;
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@override
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void internalPerform() {
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CompilationUnit unit = getRequiredInput(UNIT_INPUT);
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List<DirectiveMetadata> metaList = <DirectiveMetadata>[];
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for (CompilationUnitMember unitMember in unit.declarations) {
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if (unitMember is ClassDeclaration) {
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DirectiveMetadata meta = readDirectiveMetadata(unitMember.metadata);
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if (meta != null) {
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metaList.add(meta);
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}
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}
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}
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outputs[DIRECTIVES] = metaList;
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}
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static Map<String, TaskInput> buildInputs(LibrarySpecificUnit target) {
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return <String, TaskInput>{UNIT_INPUT: RESOLVED_UNIT.of(target)};
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}
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static BuildUnitDirectivesTask createTask(
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AnalysisContext context, LibrarySpecificUnit target) {
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return new BuildUnitDirectivesTask(context, target);
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}
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}
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