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#include "clangcompletecodejob.h"

#include <clangsupport/clangsupportdebugutils.h>
#include <clangsupport/clangcodemodelclientinterface.h>
#include <clangsupport/cmbcodecompletedmessage.h>

#include <utils/qtcassert.h>

namespace ClangBackEnd {

IAsyncJob::AsyncPrepareResult CompleteCodeJob::prepareAsyncRun()
{
    const JobRequest jobRequest = context().jobRequest;
    QTC_ASSERT(jobRequest.type == JobRequest::Type::CompleteCode, return AsyncPrepareResult());
    QTC_ASSERT(acquireDocument(), return AsyncPrepareResult());

    const TranslationUnit translationUnit = *m_translationUnit;
    const UnsavedFiles unsavedFiles = *context().unsavedFiles;
    const quint32 line = jobRequest.line;
    const quint32 column = jobRequest.column;
    const qint32 funcNameStartLine = jobRequest.funcNameStartLine;
    const qint32 funcNameStartColumn = jobRequest.funcNameStartColumn;
    setRunner([translationUnit, unsavedFiles, line, column,
              funcNameStartLine, funcNameStartColumn]() {
        TIME_SCOPE_DURATION("CompleteCodeJobRunner");

        UnsavedFiles theUnsavedFiles = unsavedFiles;
        const TranslationUnit::CodeCompletionResult results
                = translationUnit.complete(theUnsavedFiles, line, column,
                                           funcNameStartLine, funcNameStartColumn);

        CompleteCodeJob::AsyncResult asyncResult;
        asyncResult.completions = results.completions;
        asyncResult.correction = results.correction;

        return asyncResult;
    });

    return AsyncPrepareResult{translationUnit.id()};
}

void CompleteCodeJob::finalizeAsyncRun()
{
    if (context().isDocumentOpen()) {
        const AsyncResult result = asyncResult();

        const CodeCompletedMessage message(result.completions,
                                           result.correction,
                                           context().jobRequest.ticketNumber);
        context().client->codeCompleted(message);
    }
}

} // namespace ClangBackEnd
