1 files changed, 74 insertions, 0 deletions
diff --git a/src/qmlls/qqmlgototypedefinitionsupport.cpp b/src/qmlls/qqmlgototypedefinitionsupport.cpp
new file mode 100644
index 0000000000..d8a0277a62
--- /dev/null
+++ b/src/qmlls/qqmlgototypedefinitionsupport.cpp
@@ -0,0 +1,74 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "qqmlgototypedefinitionsupport_p.h"
+#include "qqmllsutils_p.h"
+#include <QtLanguageServer/private/qlanguageserverspectypes_p.h>
+#include <QtQmlDom/private/qqmldomexternalitems_p.h>
+#include <QtQmlDom/private/qqmldomtop_p.h>
+
+QT_BEGIN_NAMESPACE
+
+using namespace Qt::StringLiterals;
+
+QmlGoToTypeDefinitionSupport::QmlGoToTypeDefinitionSupport(QmlLsp::QQmlCodeModel *codeModel)
+    : BaseT(codeModel)
+{
+}
+
+QString QmlGoToTypeDefinitionSupport::name() const
+{
+    return u"QmlNavigationSupport"_s;
+}
+
+void QmlGoToTypeDefinitionSupport::setupCapabilities(
+        const QLspSpecification::InitializeParams &,
+        QLspSpecification::InitializeResult &serverCapabilities)
+{
+    // just assume serverCapabilities.capabilities.typeDefinitionProvider is a bool for now
+    // handle the TypeDefinitionOptions and TypeDefinitionRegistrationOptions cases later on, if
+    // needed (as they just allow more fancy go-to-type-definition action).
+    serverCapabilities.capabilities.typeDefinitionProvider = true;
+}
+
+void QmlGoToTypeDefinitionSupport::registerHandlers(QLanguageServer *,
+                                                    QLanguageServerProtocol *protocol)
+{
+    protocol->registerTypeDefinitionRequestHandler(getRequestHandler());
+}
+
+void QmlGoToTypeDefinitionSupport::process(RequestPointerArgument request)
+{
+    QList<QLspSpecification::Location> results;
+    ResponseScopeGuard guard(results, request->m_response);
+
+    auto itemsFound = itemsForRequest(request);
+    if (guard.setErrorFrom(itemsFound))
+        return;
+
+    QQmlLSUtilsItemLocation &front = std::get<QList<QQmlLSUtilsItemLocation>>(itemsFound).front();
+
+    auto base = QQmlLSUtils::findTypeDefinitionOf(front.domItem);
+
+    if (!base) {
+        qDebug() << u"Could not obtain the base from the item"_s;
+        return;
+    }
+
+    QQmlJS::Dom::DomItem fileOfBase = front.domItem.goToFile(base->filename);
+    auto fileOfBasePtr = fileOfBase.ownerAs<QQmlJS::Dom::QmlFile>();
+    if (!fileOfBasePtr) {
+        qDebug() << u"Could not obtain the file of the base."_s;
+        return;
+    }
+
+    QLspSpecification::Location l;
+    l.uri = QUrl::fromLocalFile(fileOfBasePtr->canonicalFilePath()).toEncoded();
+
+    const QString qmlCode = fileOfBasePtr->code();
+    l.range = QQmlLSUtils::qmlLocationToLspLocation(qmlCode, base->sourceLocation);
+
+    results.append(l);
+}
+
+QT_END_NAMESPACE