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/***************************************************************************************************
Copyright (C) 2024 The Qt Company Ltd.
SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
***************************************************************************************************/
/// Highlighting of syntax errors
using System.ComponentModel.Composition;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Classification;
using Microsoft.VisualStudio.Text.Editor;
using Microsoft.VisualStudio.Text.Tagging;
using Microsoft.VisualStudio.Utilities;
namespace QtVsTools.Qml.Classification
{
[Export(typeof(ITaggerProvider))]
[ContentType(QmlContentType.Name)]
[TagType(typeof(ErrorTag))]
internal sealed class QmlErrorClassifierProvider : ITaggerProvider
{
[Import]
internal IClassificationTypeRegistryService classificationTypeRegistry = null;
public ITagger<T> CreateTagger<T>(ITextBuffer buffer) where T : ITag
{
QmlClassificationType.InitClassificationTypes(classificationTypeRegistry);
return new QmlErrorClassifier(buffer) as ITagger<T>;
}
}
internal sealed class QmlErrorClassifier : QmlAsyncClassifier<ErrorTag>
{
internal QmlErrorClassifier(
ITextBuffer buffer)
: base("Error", buffer)
{
}
protected override ClassificationRefresh ProcessText(
ITextSnapshot snapshot,
Parser parseResult,
SharedTagList tagList,
bool writeAccess)
{
if (writeAccess) {
foreach (var diag in parseResult.DiagnosticMessages) {
tagList.Add(this, new QmlDiagnosticsTag(snapshot, diag));
}
}
return ClassificationRefresh.FullText;
}
protected override ErrorTag GetClassification(TrackingTag tag)
{
return new ErrorTag("ERROR");
}
}
}
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