Method switchDefinitionDeclaration

plugins/switchtobuddy/switchtobuddyplugin.cpp:156–294

}

void SwitchToBuddyPlugin::switchDefinitionDeclaration()
{
    qCDebug(PLUGIN_SWITCHTOBUDDY) << "switching definition/declaration";

    QUrl docUrl;
    KTextEditor::Cursor cursor;

    ///Step 1: Find the current top-level context of type DUContext::Other(the highest code-context).
    ///-- If it belongs to a function-declaration or definition, it can be retrieved through owner(), and we are in a definition.
    ///-- If no such context could be found, search for a declaration on the same line as the cursor, and switch to the according definition
    {
        auto view = ICore::self()->documentController()->activeTextDocumentView();
        if (!view) {
            qCDebug(PLUGIN_SWITCHTOBUDDY) << "No active document";
            return;
        }

        docUrl = view->document()->url();
        cursor = view->cursorPosition();
    }

    QString switchCandidate = findSwitchCandidate(docUrl);
    if(!switchCandidate.isEmpty()) {

        DUChainReadLocker lock;

        //If the file has not been parsed yet, update it
        TopDUContext* ctx = DUChainUtils::standardContextForUrl(docUrl);
        //At least 'VisibleDeclarationsAndContexts' is required so we can do a switch
        if (!ctx || (ctx->parsingEnvironmentFile() && !ctx->parsingEnvironmentFile()->featuresSatisfied(TopDUContext::AllDeclarationsContextsAndUses))) {
            lock.unlock();
            qCDebug(PLUGIN_SWITCHTOBUDDY) << "Parsing switch-candidate before switching" << switchCandidate;
            ReferencedTopDUContext updatedContext = DUChain::self()->waitForUpdate(IndexedString(switchCandidate), TopDUContext::AllDeclarationsContextsAndUses);
            if (!updatedContext) {
                qCDebug(PLUGIN_SWITCHTOBUDDY) << "Failed to update document:" << switchCandidate;
                return;
            }
        }
    }

    qCDebug(PLUGIN_SWITCHTOBUDDY) << "Document:" << docUrl;

    DUChainReadLocker lock;

    TopDUContext* standardCtx = DUChainUtils::standardContextForUrl(docUrl);

    bool wasSignal = false;
    if (standardCtx) {
        Declaration* definition = nullptr;

        DUContext* ctx = standardCtx->findContext(standardCtx->transformToLocalRevision(cursor));
        if (!ctx) {
            ctx = standardCtx;
        }

        while (ctx && ctx->parentContext() && (ctx->parentContext()->type() == DUContext::Other || ctx->parentContext()->type() == DUContext::Function)) {
            ctx = ctx->parentContext();
        }