ClangUnsavedFiles::ClangUnsavedFiles(const ClangThreadRequest::List_t& files)
	: m_files(files)
{
	m_unsavedFiles = new CXUnsavedFile[files.size()];
	ClangThreadRequest::List_t::const_iterator iter = files.begin();
	for(size_t i=0; iter != files.end(); ++iter, i++ ) {
		m_unsavedFiles[i].Contents = strdup( iter->second.mb_str(wxConvUTF8).data() );
		m_unsavedFiles[i].Filename = strdup( iter->first.mb_str(wxConvUTF8).data() );
		m_unsavedFiles[i].Length   = strlen(m_unsavedFiles[i].Contents);
	}
}
Esempio n. 2
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ClangThreadRequest::List_t ClangDriver::DoCreateListOfModifiedBuffers(IEditor* excludeEditor)
{
    // Collect all modified buffers and pass them to clang as well
    ClangThreadRequest::List_t modifiedBuffers;
    std::vector<LEditor*> editors;
    clMainFrame::Get()->GetMainBook()->GetAllEditors(editors, MainBook::kGetAll_IncludeDetached);
    for(size_t i = 0; i < editors.size(); i++) {

        if(editors.at(i) == excludeEditor || !editors.at(i)->IsModified()) continue;

        modifiedBuffers.push_back(std::make_pair(editors.at(i)->GetFileName().GetFullPath(), editors.at(i)->GetText()));
    }
    return modifiedBuffers;
}
void ClangWorkerThread::ProcessRequest(ThreadRequest* request)
{
    // Send start event
    PostEvent(wxEVT_CLANG_PCH_CACHE_STARTED, "");

    ClangThreadRequest* task = dynamic_cast<ClangThreadRequest*>(request);
    wxASSERT_MSG(task, "ClangWorkerThread: NULL task");

    {
        // A bit of optimization
        wxCriticalSectionLocker locker(m_criticalSection);
        if(task->GetContext() == CTX_CachePCH && m_cache.Contains(task->GetFileName())) {
            // Nothing to be done here
            PostEvent(wxEVT_CLANG_PCH_CACHE_ENDED, task->GetFileName());
            return;
        }
    }

    CL_DEBUG(wxT("==========> [ ClangPchMakerThread ] ProcessRequest started: %s"), task->GetFileName().c_str());
    CL_DEBUG(wxT("ClangWorkerThread:: processing request %d"), (int)task->GetContext());

    ClangCacheEntry cacheEntry = findEntry(task->GetFileName());
    CXTranslationUnit TU = cacheEntry.TU;
    CL_DEBUG(wxT("ClangWorkerThread:: found cached TU: %p"), (void*)TU);

    bool reparseRequired = true;
    if(!TU) {

        // First time creating the TU
        TU = DoCreateTU(task->GetIndex(), task, true);
        reparseRequired = false;
        cacheEntry.lastReparse = time(NULL);
        cacheEntry.TU = TU;
        cacheEntry.sourceFile = task->GetFileName();
    }

    if(!TU) {
        CL_DEBUG(wxT("Failed to parse Translation UNIT..."));
        PostEvent(wxEVT_CLANG_TU_CREATE_ERROR, task->GetFileName());
        return;
    }

    if(reparseRequired && task->GetContext() == ::CTX_ReparseTU) {
        DoSetStatusMsg(wxString::Format(wxT("clang: re-parsing file %s..."), task->GetFileName().c_str()));

        // We need to reparse the TU
        CL_DEBUG(wxT("Calling clang_reparseTranslationUnit... [CTX_ReparseTU]"));
        if(clang_reparseTranslationUnit(TU, 0, NULL, clang_defaultReparseOptions(TU)) == 0) {
            CL_DEBUG(wxT("Calling clang_reparseTranslationUnit... done [CTX_ReparseTU]"));
            cacheEntry.lastReparse = time(NULL);

        } else {

            CL_DEBUG(wxT("An error occured during reparsing of the TU for file %s. TU: %p"),
                     task->GetFileName().c_str(),
                     (void*)TU);

            // The only thing that left to be done here, is to dispose the TU
            clang_disposeTranslationUnit(TU);
            PostEvent(wxEVT_CLANG_TU_CREATE_ERROR, task->GetFileName());

            return;
        }
    }

    // Construct a cache-returner class
    // which makes sure that the TU is cached
    // when we leave the current scope
    CacheReturner cr(this, cacheEntry);

    // Prepare the 'End' event
    wxCommandEvent eEnd(wxEVT_CLANG_PCH_CACHE_ENDED);
    ClangThreadReply* reply = new ClangThreadReply;
    reply->context = task->GetContext();
    reply->filterWord = task->GetFilterWord();
    reply->filename = task->GetFileName().c_str();
    reply->results = NULL;

    wxFileName realFileName(reply->filename);
    if(realFileName.GetFullName().StartsWith(CODELITE_CLANG_FILE_PREFIX)) {
        realFileName.SetFullName(realFileName.GetFullName().Mid(strlen(CODELITE_CLANG_FILE_PREFIX)));
    }
    reply->filename = realFileName.GetFullPath();

    if(task->GetContext() == CTX_CodeCompletion || task->GetContext() == CTX_WordCompletion ||
       task->GetContext() == CTX_Calltip) {
        CL_DEBUG(wxT("Calling clang_codeCompleteAt..."));

        ClangThreadRequest::List_t usList = task->GetModifiedBuffers();
        usList.push_back(std::make_pair(task->GetFileName(), task->GetDirtyBuffer()));
        ClangUnsavedFiles usf(usList);

        CL_DEBUG(wxT("Location: %s:%u:%u"), task->GetFileName().c_str(), task->GetLine(), task->GetColumn());
        reply->results = clang_codeCompleteAt(TU,
                                              cstr(task->GetFileName()),
                                              task->GetLine(),
                                              task->GetColumn(),
                                              usf.GetUnsavedFiles(),
                                              usf.GetCount(),
                                              clang_defaultCodeCompleteOptions()
#if HAS_LIBCLANG_BRIEFCOMMENTS
                                                  |
                                                  CXCodeComplete_IncludeBriefComments
#endif
                                              );

        cacheEntry.lastReparse = time(NULL);

        CL_DEBUG(wxT("Calling clang_codeCompleteAt... done"));
        wxString displayTip;
        bool hasErrors(false);
        if(reply->results) {
            unsigned maxErrorToDisplay = 10;
            std::set<wxString> errorMessages;
            unsigned errorCount = clang_codeCompleteGetNumDiagnostics(reply->results);
            // Collect all errors / fatal errors and report them back to user
            for(unsigned i = 0; i < errorCount; i++) {
                CXDiagnostic diag = clang_codeCompleteGetDiagnostic(reply->results, i);
                CXDiagnosticSeverity severity = clang_getDiagnosticSeverity(diag);
                if(!hasErrors) {
                    hasErrors = (severity == CXDiagnostic_Error || severity == CXDiagnostic_Fatal);
                }

                if(severity == CXDiagnostic_Error || severity == CXDiagnostic_Fatal || severity == CXDiagnostic_Note) {
                    CXString diagStr = clang_getDiagnosticSpelling(diag);
                    wxString wxDiagString = wxString(clang_getCString(diagStr), wxConvUTF8);

                    // Collect up to 10 error messages
                    // and dont collect the same error twice
                    if(errorMessages.find(wxDiagString) == errorMessages.end() &&
                       errorMessages.size() <= maxErrorToDisplay) {
                        errorMessages.insert(wxDiagString);
                        displayTip << wxDiagString.c_str() << wxT("\n");
                    }

                    clang_disposeString(diagStr);
                }
                clang_disposeDiagnostic(diag);
            }

            CL_DEBUG(wxT("Found %u matches"), reply->results->NumResults);
            ClangUtils::printCompletionDiagnostics(reply->results);
        }

        if(!displayTip.IsEmpty() && hasErrors) {
            // Send back the error messages
            reply->errorMessage << "clang: " << displayTip;
            reply->errorMessage.RemoveLast();
            
            // Free the results
            clang_disposeCodeCompleteResults(reply->results);
            reply->results = NULL;
        }

        // Send the event
        eEnd.SetClientData(reply);
        EventNotifier::Get()->AddPendingEvent(eEnd);

    } else if(task->GetContext() == CTX_GotoDecl || task->GetContext() == CTX_GotoImpl) {

        // Check to see if the file was modified since it was last reparsed
        // If it does, we need to re-parse it again
        wxFileName fnSource(cacheEntry.sourceFile);
        time_t fileModificationTime = fnSource.GetModificationTime().GetTicks();
        time_t lastReparseTime = cacheEntry.lastReparse;

        if(fileModificationTime > lastReparseTime) {

            // The file needs to be re-parsed
            DoSetStatusMsg(wxString::Format(wxT("clang: re-parsing file %s...\n"), cacheEntry.sourceFile));

            // Try reparsing the TU
            ClangThreadRequest::List_t usList = task->GetModifiedBuffers();
            usList.push_back(std::make_pair(task->GetFileName(), task->GetDirtyBuffer()));
            ClangUnsavedFiles usf(usList);

            if(clang_reparseTranslationUnit(
                   TU, usf.GetCount(), usf.GetUnsavedFiles(), clang_defaultReparseOptions(TU)) != 0) {
                // Failed to reparse
                cr.SetCancelled(true); // cancel the re-caching of the TU

                DoSetStatusMsg(
                    wxString::Format("clang: clang_reparseTranslationUnit '%s' failed\n", cacheEntry.sourceFile));

                clang_disposeTranslationUnit(TU);
                wxDELETE(reply);
                PostEvent(wxEVT_CLANG_TU_CREATE_ERROR, task->GetFileName());
                return;
            }

            DoSetStatusMsg(
                wxString::Format("clang: clang_reparseTranslationUnit '%s' - done\n", cacheEntry.sourceFile));
            // Update the 'lastReparse' field
            cacheEntry.lastReparse = time(NULL);
        }

        bool success = DoGotoDefinition(TU, task, reply);
        if(success) {
            eEnd.SetClientData(reply);
            EventNotifier::Get()->AddPendingEvent(eEnd);

        } else {
            DoSetStatusMsg(wxT("clang: no matches were found"));
            CL_DEBUG(wxT("Clang Goto Decl/Impl: could not find a cursor matching for position %s:%d:%d"),
                     task->GetFileName().c_str(),
                     (int)task->GetLine(),
                     (int)task->GetColumn());

            // Failed, delete the 'reply' allocatd earlier
            wxDELETE(reply);
            PostEvent(wxEVT_CLANG_TU_CREATE_ERROR, task->GetFileName());
        }
    } else {

        wxDELETE(reply);
        PostEvent(wxEVT_CLANG_PCH_CACHE_ENDED, task->GetFileName());
    }
}