/*
 * This file is part of the Code::Blocks IDE and licensed under the GNU General Public License, version 3
 * http://www.gnu.org/licenses/gpl-3.0.html
 *
 * $Revision: 13654 $
 * $Id: parsemanager.cpp 13654 2025-04-21 18:16:01Z pecanh $
 * $HeadURL: https://svn.code.sf.net/p/codeblocks/code/trunk/src/plugins/contrib/clangd_client/src/codecompletion/parsemanager.cpp $
 */

#include <sdk.h>
#include <time.h>

#ifndef CB_PRECOMP
    #include <cctype>

    #include <wx/dir.h>
    #include <wx/log.h> // for wxSafeShowMessage()
    #include <wx/regex.h>
    #include <wx/wfstream.h>
    #include <wx/window.h>

    #include <cbauibook.h>
    #include <cbeditor.h>
    #include <cbexception.h>
    #include <cbproject.h>
    #include <compilerfactory.h>
    #include <configmanager.h>
    #include <editormanager.h>
    #include <logmanager.h>
    #include <macrosmanager.h>
    #include <manager.h>
    #include <pluginmanager.h>
    #include <prep.h> // nullptr
    #include <projectmanager.h>

    #include <tinyxml/tinyxml.h>
#endif

#include <wx/tokenzr.h>
#include <wx/filefn.h>
#include <wx/datetime.h>
#include <wx/fs_zip.h>      // to unzip proxy project .cbp from resouce file
#include <wx/zipstrm.h>
#include <wx/wfstream.h>
#include <wx/textfile.h>
#include <wx/aui/aui.h>
#include <wx/listbook.h>

#include <cbstyledtextctrl.h>
#include <compilercommandgenerator.h>
#include <cbworkspace.h>

#if defined(_WIN32)
#include "winprocess/asyncprocess/procutils.h" // LSP
#else
#include "procutils.h"
#endif //_Win32

#include "codecompletion.h"
#include "parsemanager.h"
#include "parsemanager_base.h"
#include "parser/parser.h"

#include "classbrowser.h"
//#include "parser/profiletimer.h"
#include "IdleCallbackHandler.h"
#include "client.h"
//#include "infowindow.h"



#define CC_ParseManager_DEBUG_OUTPUT 0
//#define CC_ParseManager_DEBUG_OUTPUT 1

#if defined (CC_GLOBAL_DEBUG_OUTPUT)
    #if CC_GLOBAL_DEBUG_OUTPUT == 1
        #undef CC_ParseManager_DEBUG_OUTPUT
        #define CC_ParseManager_DEBUG_OUTPUT 1
    #elif CC_GLOBAL_DEBUG_OUTPUT == 2
        #undef CC_ParseManager_DEBUG_OUTPUT
        #define CC_ParseManager_DEBUG_OUTPUT 2
    #endif
#endif

#if CC_ParseManager_DEBUG_OUTPUT == 1
    #define TRACE(format, args...) \
        CCLogger::Get()->DebugLog(wxString::Format(format, ##args))
    #define TRACE2(format, args...)
#elif CC_ParseManager_DEBUG_OUTPUT == 2
    #define TRACE(format, args...)                                              \
        do                                                                      \
        {                                                                       \
            if (g_EnableDebugTrace)                                             \
                CCLogger::Get()->DebugLog(wxString::Format(format, ##args));   \
        }                                                                       \
        while (false)
    #define TRACE2(format, args...) \
        CCLogger::Get()->DebugLog(wxString::Format(format, ##args))
#else
    #define TRACE(format, args...)
    #define TRACE2(format, args...)
#endif

/*
 * (Recursive) functions that are surrounded by a critical section:
 * GenerateResultSet() -> AddChildrenOfUnnamed
 * GetCallTips() -> PrettyPrintToken (recursive function)
 * FindCurrentFunctionToken() -> ParseFunctionArguments, FindAIMatches (recursive function)
 * GenerateResultSet (recursive function):
 *     FindAIMatches(), ResolveActualType(), ResolveExpression(),
 *     FindCurrentFunctionToken(), ResolveOperator()
 * FindCurrentFunctionStart() -> GetTokenFromCurrentLine
 */
// ----------------------------------------------------------------------------
namespace
// ----------------------------------------------------------------------------
{
    //UpdateClassBrowser() re-entrant guard
    bool n_UpdateClassBrowserBusy = false;  //UpdateClassBrowser is busy
    bool n_IsSymbolsTabSelected = false;    // user activated Symbols tab status
    int n_SymbolsPageIdx = -1;              // to become the Symbols tab notebook index
    bool n_SkipNextSymbolsChangePageCall = false; //working around a wxAUI bug
}
// ----------------------------------------------------------------------------
namespace ParseManagerHelper
// ----------------------------------------------------------------------------
{
    class ParserDirTraverser : public wxDirTraverser
    {
    public:
        ParserDirTraverser(const wxString& excludePath, wxArrayString& files) :
            m_ExcludeDir(excludePath),
            m_Files(files)
        {}

        wxDirTraverseResult OnFile(const wxString& filename) override
        {
            if (ParserCommon::FileType(filename) != ParserCommon::ftOther)
                m_Files.Add(filename);
            return wxDIR_CONTINUE;
        }

        wxDirTraverseResult OnDir(const wxString& dirname) override
        {
            if (dirname == m_ExcludeDir)
                return wxDIR_IGNORE;
            if (m_Files.GetCount() == 1)
                return wxDIR_STOP;
            m_Files.Clear();
            return wxDIR_CONTINUE;
        }

    private:
        const wxString& m_ExcludeDir;
        wxArrayString&  m_Files;
    };

    bool CreateParserGuardBusy = false;

}// namespace ParseManagerHelper

/** if this option is enabled, there will be many log messages when doing semantic match */
bool s_DebugSmartSense = false;

static void AddToImageList(wxImageList* list, const wxString& path, int size)
{
#if wxCHECK_VERSION(3, 1, 6)
    wxBitmap bmp = cbLoadBitmapBundleFromSVG(path, wxSize(size, size)).GetBitmap(wxDefaultSize);
#else
    wxBitmap bmp = cbLoadBitmap(path);
#endif

    if (!bmp.IsOk())
        printf("failed to load: %s\n", path.utf8_str().data());

    list->Add(bmp);
}

static wxImageList* LoadImageList(int size)
{
    wxImageList* list = new wxImageList(size, size);
    wxString prefix(ConfigManager::GetDataFolder() + "/clangd_client.zip#zip:images/");
#if wxCHECK_VERSION(3, 1, 6)
    prefix << "svg/";
    const wxString ext(".svg");
#else
    prefix << wxString::Format("%dx%d/", size, size);
    const wxString ext(".png");
#endif

    // Bitmaps must be added by order of PARSER_IMG_* consts.
    AddToImageList(list, prefix + "class_folder" + ext, size); // PARSER_IMG_CLASS_FOLDER
    AddToImageList(list, prefix + "class" + ext, size); // PARSER_IMG_CLASS
    AddToImageList(list, prefix + "class_private" + ext, size); // PARSER_IMG_CLASS_PRIVATE
    AddToImageList(list, prefix + "class_protected" + ext, size); // PARSER_IMG_CLASS_PROTECTED
    AddToImageList(list, prefix + "class_public" + ext, size); // PARSER_IMG_CLASS_PUBLIC
    AddToImageList(list, prefix + "ctor_private" + ext, size); // PARSER_IMG_CTOR_PRIVATE
    AddToImageList(list, prefix + "ctor_protected" + ext, size); // PARSER_IMG_CTOR_PROTECTED
    AddToImageList(list, prefix + "ctor_public" + ext, size); // PARSER_IMG_CTOR_PUBLIC
    AddToImageList(list, prefix + "dtor_private" + ext, size); // PARSER_IMG_DTOR_PRIVATE
    AddToImageList(list, prefix + "dtor_protected" + ext, size); // PARSER_IMG_DTOR_PROTECTED
    AddToImageList(list, prefix + "dtor_public" + ext, size); // PARSER_IMG_DTOR_PUBLIC
    AddToImageList(list, prefix + "method_private" + ext, size); // PARSER_IMG_FUNC_PRIVATE
    AddToImageList(list, prefix + "method_protected" + ext, size); // PARSER_IMG_FUNC_PRIVATE
    AddToImageList(list, prefix + "method_public" + ext, size); // PARSER_IMG_FUNC_PUBLIC
    AddToImageList(list, prefix + "var_private" + ext, size); // PARSER_IMG_VAR_PRIVATE
    AddToImageList(list, prefix + "var_protected" + ext, size); // PARSER_IMG_VAR_PROTECTED
    AddToImageList(list, prefix + "var_public" + ext, size); // PARSER_IMG_VAR_PUBLIC
    AddToImageList(list, prefix + "macro_def" + ext, size); // PARSER_IMG_MACRO_DEF
    AddToImageList(list, prefix + "enum" + ext, size); // PARSER_IMG_ENUM
    AddToImageList(list, prefix + "enum_private" + ext, size); // PARSER_IMG_ENUM_PRIVATE
    AddToImageList(list, prefix + "enum_protected" + ext, size); // PARSER_IMG_ENUM_PROTECTED
    AddToImageList(list, prefix + "enum_public" + ext, size); // PARSER_IMG_ENUM_PUBLIC
    AddToImageList(list, prefix + "enumerator" + ext, size); // PARSER_IMG_ENUMERATOR
    AddToImageList(list, prefix + "namespace" + ext, size); // PARSER_IMG_NAMESPACE
    AddToImageList(list, prefix + "typedef" + ext, size); // PARSER_IMG_TYPEDEF
    AddToImageList(list, prefix + "typedef_private" + ext, size); // PARSER_IMG_TYPEDEF_PRIVATE
    AddToImageList(list, prefix + "typedef_protected" + ext, size); // PARSER_IMG_TYPEDEF_PROTECTED
    AddToImageList(list, prefix + "typedef_public" + ext, size); // PARSER_IMG_TYPEDEF_PUBLIC
    AddToImageList(list, prefix + "symbols_folder" + ext, size); // PARSER_IMG_SYMBOLS_FOLDER
    AddToImageList(list, prefix + "vars_folder" + ext, size); // PARSER_IMG_VARS_FOLDER
    AddToImageList(list, prefix + "funcs_folder" + ext, size); // PARSER_IMG_FUNCS_FOLDER
    AddToImageList(list, prefix + "enums_folder" + ext, size); // PARSER_IMG_ENUMS_FOLDER
    AddToImageList(list, prefix + "macro_def_folder" + ext, size); // PARSER_IMG_MACRO_DEF_FOLDER
    AddToImageList(list, prefix + "others_folder" + ext, size); // PARSER_IMG_OTHERS_FOLDER
    AddToImageList(list, prefix + "typedefs_folder" + ext, size); // PARSER_IMG_TYPEDEF_FOLDER
    AddToImageList(list, prefix + "macro_use" + ext, size); // PARSER_IMG_MACRO_USE
    AddToImageList(list, prefix + "macro_use_private" + ext, size); // PARSER_IMG_MACRO_USE_PRIVATE
    AddToImageList(list, prefix + "macro_use_protected" + ext, size); // PARSER_IMG_MACRO_USE_PROTECTED
    AddToImageList(list, prefix + "macro_use_public" + ext, size); // PARSER_IMG_MACRO_USE_PUBLIC
    AddToImageList(list, prefix + "macro_use_folder" + ext, size); // PARSER_IMG_MACRO_USE_FOLDER

    return list;
}

// ----------------------------------------------------------------------------
ParseManager::ParseManager( LSPEventCallbackHandler* pLSPEventSinkHandler ) :
    // ----------------------------------------------------------------------------
    m_ClassBrowser(nullptr),
    m_ClassBrowserIsFloating(false),
    m_ParserPerWorkspace(false),
    m_LastControl(nullptr),
    m_LastFunctionIndex(-1),
    m_LastFuncTokenIdx(-1),
    m_LastLine(-1),
    m_LastResult(-1)
{
    // parser used when no project is loaded, holds options etc
    m_TempParser = new Parser(this, nullptr); // null pProject
    m_ActiveParser     = m_TempParser;

    m_ParserPerWorkspace = false;

    m_pLSPEventSinkHandler = pLSPEventSinkHandler;

    // allocate a global hidden editor used for temporary symbol management
    // to avoid massive allocation of wxIDs
    if (not m_pHiddenEditor.get())
    {
        m_pHiddenEditor.reset( new cbStyledTextCtrl(Manager::Get()->GetAppWindow(), XRCID("ParserHiddenEditor"), wxDefaultPosition, wxSize(0,0)));
        GetHiddenEditor()->Show(false);
        GetHiddenEditor()->UsePopUp(false);
        GetHiddenEditor()->SetText("");
    }
}
// ----------------------------------------------------------------------------
ParseManager::~ParseManager()
// ----------------------------------------------------------------------------
{
    // clear any Idle time callbacks
    ClearAllIdleCallbacks();

    RemoveClassBrowser();
    ClearParsers();
    if (m_TempParser)
        Delete(m_TempParser);

    if (m_pProxyProject)
        m_pProxyProject->SetModified(false);

}
// ----------------------------------------------------------------------------
void ParseManager::ParserOptionsSave(Parser* pParser)
// ----------------------------------------------------------------------------
{
    m_OptionsSaved = pParser->Options();
}
// ----------------------------------------------------------------------------
void ParseManager::BrowserOptionsSave(Parser* pParser)
// ----------------------------------------------------------------------------
{
    m_BrowserOptionsSaved = pParser->ClassBrowserOptions();
}
// ----------------------------------------------------------------------------
Parser* ParseManager::GetParserByProject(cbProject* project)
// ----------------------------------------------------------------------------
{
    // Returns parser associated with project from either the
    //  one-parser-per-workspace list or from the parser-per-project list

    if (m_ParserPerWorkspace) //always false for clangd_plugin
    {
        // Find parser associated with project from one-parser-per workspace list
        std::set<cbProject*>::iterator it = m_ParsedProjects.find(project);
        if (it != m_ParsedProjects.end())
            return m_ParserList.begin()->second;
    }
    else
    {
        // Find parser from parser-per-project list
        for (ParserList::const_iterator it = m_ParserList.begin(); it != m_ParserList.end(); ++it)
        {
            if (it->first == project)
                return it->second;
        }
    }

    TRACE(_T("ParseManager::GetParserByProject: Returning nullptr."));
    return nullptr;
}
// ----------------------------------------------------------------------------
Parser* ParseManager::GetParserByFilename(const wxString& filename)
// ----------------------------------------------------------------------------
{
    cbProject* project = GetProjectByFilename(filename);
    return GetParserByProject(project);
}
// ----------------------------------------------------------------------------
cbProject* ParseManager::GetProjectByParser(Parser* parser)
// ----------------------------------------------------------------------------
{
    for (ParserList::const_iterator it = m_ParserList.begin(); it != m_ParserList.end(); ++it)
    {
        if (it->second == parser)
            return it->first;
    }

    TRACE(_T("ParseManager::GetProjectByParser: Returning NULL."));
    return NULL;
}
// ----------------------------------------------------------------------------
cbProject* ParseManager::GetProjectByFilename(const wxString& filename)
// ----------------------------------------------------------------------------
{
    TRACE(_T("ParseManager::GetProjectByFilename: %s"), filename.wx_str());
    cbProject* activeProject = Manager::Get()->GetProjectManager()->GetActiveProject();
    if (activeProject)
    {
        // Get the parser for the active project
        Parser* parser = GetParserByProject(activeProject);
        //If (active parser parsed file) or (file belongs to active project) return active project
        if ( (parser && parser->IsFileParsed(filename)) //Why?
            || activeProject->GetFileByFilename(filename, false, true) )
        {
            return activeProject;
        }
        else // file not parsed or file does not belong to active project
        {
            ProjectsArray* projs = Manager::Get()->GetProjectManager()->GetProjects();
            for (size_t i = 0; i < projs->GetCount(); ++i)
            {
                cbProject* project = projs->Item(i);
                if (!project || project == activeProject)
                    continue;

                // if (file has been parsed by project) or (file belongs to project) return project
                parser = GetParserByProject(project);
                if ( (parser && parser->IsFileParsed(filename)) //also checks for standalone file
                    || project->GetFileByFilename(filename, false, true) )
                {
                    return project;
                }
            }
        }
    }

    return nullptr;
}
// ----------------------------------------------------------------------------
cbProject* ParseManager::GetProjectByEditor(cbEditor* editor)
// ----------------------------------------------------------------------------
{
    if (!editor)
        return nullptr;
    ProjectFile* pf = editor->GetProjectFile();
    if (pf && pf->GetParentProject())
        return pf->GetParentProject();
    return GetProjectByFilename(editor->GetFilename());
}
// ----------------------------------------------------------------------------
cbProject* ParseManager::GetActiveEditorProject()
// ----------------------------------------------------------------------------
{
    cbEditor* editor = Manager::Get()->GetEditorManager()->GetBuiltinActiveEditor();
    cbProject* project = GetProjectByEditor(editor);
    if (!project)
        project = Manager::Get()->GetProjectManager()->GetActiveProject();
    return project;
}
// ----------------------------------------------------------------------------
bool ParseManager::Done()
// ----------------------------------------------------------------------------
{
    bool done = true;
    for (ParserList::const_iterator it = m_ParserList.begin(); it != m_ParserList.end(); ++it)
    {
        if (not it->second->Done())
        {
            done = false;
            break;
        }
    }
    TRACE(_T("ParseManager::Done: %s"), done ? _T("true"): _T("false"));
    return done;
}
// ----------------------------------------------------------------------------
wxImageList* ParseManager::GetImageList(int maxSize)
// ----------------------------------------------------------------------------
{
    const int size = cbFindMinSize16to64(maxSize);

    SizeToImageList::iterator it = m_ImageListMap.find(size);
    if (it == m_ImageListMap.end())
    {
        wxImageList *list = LoadImageList(size);
        m_ImageListMap.insert(SizeToImageList::value_type(size, std::unique_ptr<wxImageList>(list)));
        return list;
    }
    else
        return it->second.get();
}
int ParseManager::GetTokenKindImage(const Token* token)
{
    if (!token)
        return PARSER_IMG_NONE;

    switch (token->m_TokenKind)
    {
        case tkMacroDef:          return PARSER_IMG_MACRO_DEF;

        case tkEnum:
            switch (token->m_Scope)
            {
                case tsPublic:    return PARSER_IMG_ENUM_PUBLIC;
                case tsProtected: return PARSER_IMG_ENUM_PROTECTED;
                case tsPrivate:   return PARSER_IMG_ENUM_PRIVATE;
                case tsUndefined:
                default:          return PARSER_IMG_ENUM;
            }

        case tkEnumerator:        return PARSER_IMG_ENUMERATOR;

        case tkClass:
            switch (token->m_Scope)
            {
                case tsPublic:    return PARSER_IMG_CLASS_PUBLIC;
                case tsProtected: return PARSER_IMG_CLASS_PROTECTED;
                case tsPrivate:   return PARSER_IMG_CLASS_PRIVATE;
                case tsUndefined:
                default:          return PARSER_IMG_CLASS;
            }

        case tkNamespace:         return PARSER_IMG_NAMESPACE;

        case tkTypedef:
            switch (token->m_Scope)
            {
                case tsPublic:    return PARSER_IMG_TYPEDEF_PUBLIC;
                case tsProtected: return PARSER_IMG_TYPEDEF_PROTECTED;
                case tsPrivate:   return PARSER_IMG_TYPEDEF_PRIVATE;
                case tsUndefined:
                default:          return PARSER_IMG_TYPEDEF;
            }

        case tkMacroUse:
            switch (token->m_Scope)
            {
                case tsPublic:    return PARSER_IMG_MACRO_USE_PUBLIC;
                case tsProtected: return PARSER_IMG_MACRO_USE_PROTECTED;
                case tsPrivate:   return PARSER_IMG_MACRO_USE_PRIVATE;
                case tsUndefined:
                default:          return PARSER_IMG_MACRO_USE;
            }

        case tkConstructor:
            switch (token->m_Scope)
            {
                case tsProtected: return PARSER_IMG_CTOR_PROTECTED;
                case tsPrivate:   return PARSER_IMG_CTOR_PRIVATE;
                case tsUndefined:
                case tsPublic:
                default:          return PARSER_IMG_CTOR_PUBLIC;
            }

        case tkDestructor:
            switch (token->m_Scope)
            {
                case tsProtected: return PARSER_IMG_DTOR_PROTECTED;
                case tsPrivate:   return PARSER_IMG_DTOR_PRIVATE;
                case tsUndefined:
                case tsPublic:
                default:          return PARSER_IMG_DTOR_PUBLIC;
            }

        case tkFunction:
            switch (token->m_Scope)
            {
                case tsProtected: return PARSER_IMG_FUNC_PROTECTED;
                case tsPrivate:   return PARSER_IMG_FUNC_PRIVATE;
                case tsUndefined:
                case tsPublic:
                default:          return PARSER_IMG_FUNC_PUBLIC;
            }

        case tkVariable:
            switch (token->m_Scope)
            {
                case tsProtected: return PARSER_IMG_VAR_PROTECTED;
                case tsPrivate:   return PARSER_IMG_VAR_PRIVATE;
                case tsUndefined:
                case tsPublic:
                default:          return PARSER_IMG_VAR_PUBLIC;
            }

        case tkAnyContainer:
        case tkAnyFunction:
        case tkUndefined:
        default:                  return PARSER_IMG_NONE;
    }
}
// ----------------------------------------------------------------------------
int ParseManager::GetTokenImageFromSemanticTokenType(Token* token)
// ----------------------------------------------------------------------------
{
    if (!token)
        return PARSER_IMG_NONE;

    switch (token->m_TokenKind)
    {
        case tkMacroDef:          return PARSER_IMG_MACRO_DEF;

        case tkEnum:
            switch (token->m_Scope)
            {
                case tsPublic:    return PARSER_IMG_ENUM_PUBLIC;
                case tsProtected: return PARSER_IMG_ENUM_PROTECTED;
                case tsPrivate:   return PARSER_IMG_ENUM_PRIVATE;
                case tsUndefined:
                default:          return PARSER_IMG_ENUM;
            }

        case tkEnumerator:        return PARSER_IMG_ENUMERATOR;

        case tkClass:
            switch (token->m_Scope)
            {
                case tsPublic:    return PARSER_IMG_CLASS_PUBLIC;
                case tsProtected: return PARSER_IMG_CLASS_PROTECTED;
                case tsPrivate:   return PARSER_IMG_CLASS_PRIVATE;
                case tsUndefined:
                default:          return PARSER_IMG_CLASS;
            }

        case tkNamespace:         return PARSER_IMG_NAMESPACE;

        case tkTypedef:
            switch (token->m_Scope)
            {
                case tsPublic:    return PARSER_IMG_TYPEDEF_PUBLIC;
                case tsProtected: return PARSER_IMG_TYPEDEF_PROTECTED;
                case tsPrivate:   return PARSER_IMG_TYPEDEF_PRIVATE;
                case tsUndefined:
                default:          return PARSER_IMG_TYPEDEF;
            }

        case tkMacroUse:
            switch (token->m_Scope)
            {
                case tsPublic:    return PARSER_IMG_MACRO_USE_PUBLIC;
                case tsProtected: return PARSER_IMG_MACRO_USE_PROTECTED;
                case tsPrivate:   return PARSER_IMG_MACRO_USE_PRIVATE;
                case tsUndefined:
                default:          return PARSER_IMG_MACRO_USE;
            }

        case tkConstructor:
            switch (token->m_Scope)
            {
                case tsProtected: return PARSER_IMG_CTOR_PROTECTED;
                case tsPrivate:   return PARSER_IMG_CTOR_PRIVATE;
                case tsUndefined:
                case tsPublic:
                default:          return PARSER_IMG_CTOR_PUBLIC;
            }

        case tkDestructor:
            switch (token->m_Scope)
            {
                case tsProtected: return PARSER_IMG_DTOR_PROTECTED;
                case tsPrivate:   return PARSER_IMG_DTOR_PRIVATE;
                case tsUndefined:
                case tsPublic:
                default:          return PARSER_IMG_DTOR_PUBLIC;
            }

        case tkFunction:
            switch (token->m_Scope)
            {
                case tsProtected: return PARSER_IMG_FUNC_PROTECTED;
                case tsPrivate:   return PARSER_IMG_FUNC_PRIVATE;
                case tsUndefined:
                case tsPublic:
                default:          return PARSER_IMG_FUNC_PUBLIC;
            }

        case tkVariable:
            switch (token->m_Scope)
            {
                case tsProtected: return PARSER_IMG_VAR_PROTECTED;
                case tsPrivate:   return PARSER_IMG_VAR_PRIVATE;
                case tsUndefined:
                case tsPublic:
                default:          return PARSER_IMG_VAR_PUBLIC;
            }

        case tkAnyContainer:
        case tkAnyFunction:
        case tkUndefined:
        default:                  return PARSER_IMG_NONE;
    }
}
// ----------------------------------------------------------------------------
wxArrayString ParseManager::GetAllPathsByFilename(const wxString& filename)
// ----------------------------------------------------------------------------
{
    TRACE(_T("ParseManager::GetAllPathsByFilename: Enter"));

    wxArrayString dirs;
    const wxFileName fn(filename);

    wxDir dir(fn.GetPath());
    if (!dir.IsOpened())
        return wxArrayString();

    wxArrayString files;
    ParseManagerHelper::ParserDirTraverser traverser(wxEmptyString, files);
    const wxString filespec = fn.HasExt() ? fn.GetName() + _T(".*") : fn.GetName();
    CCLogger::Get()->DebugLog(_T("ParseManager::GetAllPathsByFilename: Traversing '") + fn.GetPath() + _T("' for: ") + filespec);

    // search in the same directory of the input file
    dir.Traverse(traverser, filespec, wxDIR_FILES);

    // only find one file in the dir, which is the input file itself, try searching in other places
    if (files.GetCount() == 1)
    {
        cbProject* project = IsParserPerWorkspace() ? GetActiveEditorProject()
                                                    : GetProjectByParser(m_ActiveParser);
        // search in the project
        if (project)
        {
            const wxString prjPath = project->GetCommonTopLevelPath();
            wxString priorityPath;
            if (fn.HasExt() && (fn.GetExt().StartsWith(_T("h")) || fn.GetExt().StartsWith(_T("c"))))
            {
                wxFileName priFn(prjPath);
                // hard-coded candidate path, the ./sdk or ./include under the project top level folder
                priFn.AppendDir(fn.GetExt().StartsWith(_T("h")) ? _T("sdk") : _T("include"));
                if (priFn.DirExists())
                {
                    priorityPath = priFn.GetFullPath();
                    wxDir priorityDir(priorityPath);
                    if ( priorityDir.IsOpened() )
                    {
                        wxArrayString priorityPathSub;
                        ParseManagerHelper::ParserDirTraverser traverser_2(wxEmptyString, priorityPathSub);
                        CCLogger::Get()->DebugLog(_T("ParseManager::GetAllPathsByFilename: Traversing '") + priorityPath + _T("' for: ") + filespec);
                        priorityDir.Traverse(traverser_2, filespec, wxDIR_FILES | wxDIR_DIRS);
                        if (priorityPathSub.GetCount() == 1)
                            AddPaths(dirs, priorityPathSub[0], fn.HasExt());
                    }
                }
            }

            if (dirs.IsEmpty())
            {
                wxDir prjDir(prjPath);
                if (prjDir.IsOpened())
                {
                    // try to search the project top level folder
                    wxArrayString prjDirSub;
                    ParseManagerHelper::ParserDirTraverser traverser_2(priorityPath, prjDirSub);
                    CCLogger::Get()->DebugLog(_T("ParseManager::GetAllPathsByFilename: Traversing '") + priorityPath + wxT(" - ") + prjPath + _T("' for: ") + filespec);
                    prjDir.Traverse(traverser_2, filespec, wxDIR_FILES | wxDIR_DIRS);
                    if (prjDirSub.GetCount() == 1)
                        AddPaths(dirs, prjDirSub[0], fn.HasExt());
                }
            }
        }
    }

    CCLogger::Get()->DebugLog(wxString::Format(_T("ParseManager::GetAllPathsByFilename: Found %lu files:"), static_cast<unsigned long>(files.GetCount())));
    for (size_t i=0; i<files.GetCount(); i++)
        CCLogger::Get()->DebugLog(wxString::Format(_T("- %s"), files[i].wx_str()));

    if (!files.IsEmpty())
        AddPaths(dirs, files[0], fn.HasExt());

    TRACE(_T("ParseManager::GetAllPathsByFilename: Leave"));
    return dirs;
}
// ----------------------------------------------------------------------------
void ParseManager::AddPaths(wxArrayString& dirs, const wxString& path, bool hasExt)
// ----------------------------------------------------------------------------
{
    wxString s;
    if (hasExt)
        s = UnixFilename(path.BeforeLast(_T('.'))) + _T(".");
    else
        s = UnixFilename(path);

    if (dirs.Index(s, false) == wxNOT_FOUND)
        dirs.Add(s);
}
// ----------------------------------------------------------------------------
wxString ParseManager::GetHeaderForSourceFile(cbProject* pProject, wxString& filename)
// ----------------------------------------------------------------------------
{
    // find the matching header file to this source file
    //-ProjectFile* pProjectFile = pProject->GetFileByFilename(filename, false);
    wxFileName fnFilename(filename);
    if (ParserCommon::FileType(filename) == ParserCommon::ftHeader) return wxString(); //already a header
    for (FilesList::const_iterator flist_it = pProject->GetFilesList().begin(); flist_it != pProject->GetFilesList().end(); ++flist_it)
    {
        ProjectFile* pf = *flist_it;
        if ( pf and ((ParserCommon::FileType(pf->relativeFilename) == ParserCommon::ftSource) //look for hdrs only  //(ticket #1496 check pf 2024/08/7)
            or (FileTypeOf(pf->relativeFilename) == ftTemplateSource)) )
            continue;
        if ( pf and (pf->file.GetName() == fnFilename.GetName()) )
        {
            if (ParserCommon::FileType(pf->relativeFilename) == ParserCommon::ftHeader)
            {
                return pf->file.GetFullPath();
            }
        }
    }
    return wxString();
}
// ----------------------------------------------------------------------------
wxString ParseManager::GetSourceForHeaderFile(cbProject* pProject, wxString& filename)
// ----------------------------------------------------------------------------
{
    // find the matching source file to this header file
    //-ProjectFile* pProjectFile = pProject->GetFileByFilename(filename, false);
    wxFileName fnFilename(filename);
    //-if (FileTypeOf(filename) == ftSource) return wxString(); //already a source file
    if (ParserCommon::FileType(filename) == ParserCommon::ftSource) return wxString(); //already a source file -
    for (FilesList::const_iterator flist_it = pProject->GetFilesList().begin(); flist_it != pProject->GetFilesList().end(); ++flist_it)
    {
        ProjectFile* pf = *flist_it;
        if ( ParserCommon::FileType(pf->relativeFilename) != ParserCommon::ftSource)
            continue;
        if ( pf and (pf->file.GetName() == fnFilename.GetName()) )
                return pf->file.GetFullPath();
    }
    return wxString();
}
// ----------------------------------------------------------------------------
wxString ParseManager::GetSourceOrHeaderForFile(cbProject* pProject, wxString& filename)
// ----------------------------------------------------------------------------
{
    if (ParserCommon::FileType(filename) == ParserCommon::ftHeader)
        return GetSourceForHeaderFile(pProject, filename);
    if (ParserCommon::FileType(filename) == ParserCommon::ftSource)
        return GetHeaderForSourceFile(pProject, filename);
    return wxString();
}
// ----------------------------------------------------------------------------
Parser* ParseManager::CreateParser(cbProject* project, bool useSavedOptions)
// ----------------------------------------------------------------------------
{
    if ( GetParserByProject(project) )
    {
        CCLogger::Get()->DebugLog(_T("ParseManager::CreateParser: Parser for this project already exists!"));
        return nullptr;
    }

    // Guarantee that we're not waiting on a Global Variable Editor dialog.
    // which may have been invoked by a previous call to DoFullParsing() below.
    // This happens (sometimes) when the dialog Help button returns; CB is refocused and the idle loop activates.
    // This can cause OnEditorActivated (the parent of the dlg) to be re-invoked and end up here again.
    // (the Global Variable Editor dlg is rooted from OnUpdateUI() which is re-invoked from the idle loop).
    // This could be a wxWidgets error. It seems correct that the dlg should be re-focused/re-activated,
    // but the parent cbEditor should not be.
    if (ParseManagerHelper::CreateParserGuardBusy)
        return nullptr;
    // Set this function busy, and clear it on any return stmt.
    struct CreateParserGuard_t
    {
        CreateParserGuard_t() {ParseManagerHelper::CreateParserGuardBusy = true;}
        ~CreateParserGuard_t() {ParseManagerHelper::CreateParserGuardBusy = false;}
    } CreateParserGuard;

    // Easy case for "one parser per workspace" that has already been created:
    // Note: m_ParserPerWorkspace always false for clangd
    if (m_ParserPerWorkspace && (not m_ParsedProjects.empty()) )
        return m_ParserList.begin()->second;

    TRACE(_T("ParseManager::CreateParser: Calling DoFullParsing()"));

    Parser* parser = new Parser(this, project); //read options, connect events, & stages files to parse

    // if using previous parser options get and set them into this parser
    if (useSavedOptions)
    {
        parser->Options() = GetSavedOptions();
        parser->ClassBrowserOptions() =  GetSavedBrowserOptions();
    }
    if ( not DoFullParsing(project, parser) )
    {
        CCLogger::Get()->DebugLog(_T("ParseManager::CreateParser: Full parsing failed!"));
        delete parser;
        return nullptr;
    }

    // If current parser is the temp or proxy parser activate the new parser
    Parser* pProxyParser = (Parser*)GetParserByProject(GetProxyProject());
    if ( m_ActiveParser == m_TempParser)
        SetParser(parser); // Also updates class browser
    else if (m_ActiveParser == pProxyParser)
        SetParser(parser); // Also updates class browser

    if (m_ParserPerWorkspace) //always false for clangd
        m_ParsedProjects.insert(project);

    m_ParserList.push_back(std::make_pair(project, parser));

    wxString prj = (project ? project->GetTitle() : _T("*NONE*"));
    wxString log(wxString::Format(_("ParseManager::CreateParser: Finished creating a new parser for project '%s'"), prj.wx_str()));
    //-CCLogger::Get()->Log(log);
    CCLogger::Get()->DebugLog(log);

    return parser;
}
// ----------------------------------------------------------------------------
bool ParseManager::DeleteParser(cbProject* project)
// ----------------------------------------------------------------------------
{
    wxString prj = (project ? project->GetTitle() : _T("*NONE*"));

    ParserList::iterator parserList_it = m_ParserList.begin();
    if (not m_ParserPerWorkspace) //m_ParserPerWorkspace always false for clangd
    {
        for (; parserList_it != m_ParserList.end(); ++parserList_it)
        {
            if (parserList_it->first == project)
                break;
        }
    }

    if (parserList_it == m_ParserList.end())
    {
        CCLogger::Get()->DebugLog(wxString::Format(_T("ParseManager::DeleteParser: Parser does not exist for delete '%s'!"), prj.wx_str()));
        return false;
    }

    if (m_ParsedProjects.empty()) // This indicates we are in one parser per one project mode
    {   // always true for clangd_client

        wxString log(wxString::Format(_("ParseManager::DeleteParser: Deleting parser for project '%s'!"), prj.wx_str()));
        CCLogger::Get()->Log(log);
        CCLogger::Get()->DebugLog(log);

        // The logic here is : firstly delete the parser instance, then see whether we need an
        // active parser switch (call SetParser())
        //ollydbg crash fix 2022/10/28 Reply#230 https://forums.codeblocks.org/index.php/topic,24357.msg171551.html#msg171551
        Parser* pDeletedParser = parserList_it->second;
        delete parserList_it->second;      // delete the instance first, then remove from the list
        m_ParserList.erase(parserList_it); // remove deleted parser from parser list

        // if the active parser is deleted, set the active parser to m_TempParser
        if (pDeletedParser == m_ActiveParser)
        {
            // Remember the closing parser //(svn 13612 bkport)
            SetClosingParser(m_ActiveParser);
            m_ActiveParser = nullptr;
            SetParser(m_TempParser); // Also updates class browser;
            cbAssertNonFatal(m_ActiveParser && "SetParser() failed to set valid ptr");
            if (not m_ActiveParser) m_ActiveParser =  m_TempParser;
        }

        return true;
    }

    CCLogger::Get()->DebugLog(_T("ParseManager::DeleteParser: Deleting parser failed!"));
    return false;
}
// ----------------------------------------------------------------------------
ProcessLanguageClient* ParseManager::CreateNewLanguageServiceProcess(cbProject* pcbProject, int LSPeventID)
// ----------------------------------------------------------------------------
{
    #if defined(cbDEBUG)
    cbAssertNonFatal(pcbProject && "CreateNewLanguageServiceProcess requires a project");
    #endif
    if (not pcbProject) return nullptr;

    LogManager* pLogMgr = Manager::Get()->GetLogManager();

    // Don't allow a second process to write to the current clangd symbol caches
    if (not DoLockClangd_CacheAccess(pcbProject) )
    {
        // FIXME (ph#): Is this caused by a crashed debugging session?
        if (pcbProject != GetProxyProject()) //ok if ~ProxyProject~
        {
            wxString msg = wxString::Format("%s failed to Lock access to Clangd cache for %s", __FUNCTION__, pcbProject->GetTitle());
            msg << "\n\tAllocation of Clangd_client will fail.";
            pLogMgr->LogError(msg);
            pLogMgr->DebugLogError(msg);
            return nullptr;
        }
    }

    ProcessLanguageClient* pLSPclient = nullptr;
    if (m_LSP_Clients.count(pcbProject) and GetLSPclient(pcbProject))
        pLSPclient = m_LSP_Clients[pcbProject];
    else
    {
        pLSPclient = new ProcessLanguageClient(pcbProject);
        if (pLSPclient and  pLSPclient->GetLSP_Server_PID() )
            CCLogger::Get()->DebugLog("LSP: Started new LSP client/server for "
                              + pcbProject->GetFilename() + " @("
                              + pLSPclient->LSP_GetTimeHMSM() + ")"
                             );
    }
    if ( (not pLSPclient) or (not pLSPclient->GetLSP_Server_PID()) )
    {
        if (pLSPclient)
            delete pLSPclient;
        pLSPclient = nullptr;
        DoUnlockClangd_CacheAccess(pcbProject);
    }
    else
    {
        m_LSP_Clients[pcbProject] = pLSPclient;
        pLSPclient->SetCBProject(pcbProject);
        pLSPclient->SetLSP_UserEventID(LSPeventID);

        wxFileName cbpName(pcbProject->GetFilename());
        wxString rootURI = cbpName.GetPath();

        Parser* pParser = GetParserByProject(pcbProject);
        if (not pParser)
        {
            wxString msg("CreateNewLanguageServiceProcess() CC pParser is null.");
            cbMessageBox(msg, "Error");
        }
        if (pParser)
        {
            pParser->SetLSP_Client(pLSPclient);
            pLSPclient->SetParser( pParser);
        }

        pLSPclient->LSP_Initialize(pcbProject);
    }

    return pLSPclient;
}//end CreateNewLanguageServiceProcess()
// ----------------------------------------------------------------------
void ParseManager::CloseAllClients()
// ----------------------------------------------------------------------
{
    // From OnRelease() processing
    // ----------------------------------------------------------------
    // m_LSP_Clients contains map [pProject, pLSP_Client]
    if (m_LSP_Clients.size())    // shutdown LSP servers
    {
        for (auto const& client : m_LSP_Clients)
        {
            //key: pProject; value: pProcessLanguageClient;
            if (client.second)
            {
                client.second->LSP_Shutdown();
                if (client.second)
                    delete client.second; //delete the LSP client
                m_LSP_Clients[client.first] = nullptr; //set [pProject,nullptr]
            }
        }
    }//endif any LSP_Clients
}
// ----------------------------------------------------------------
ProcessLanguageClient* ParseManager::GetLSPclient(cbProject* pProject)
// ----------------------------------------------------------------
{
    ProcessLanguageClient* pClient =  nullptr;
    LogManager* pLogMgr = Manager::Get()->GetLogManager();

    if (not pProject)
    {
       pLogMgr->DebugLog(wxString(__FUNCTION__) + ": param pProject is missing");
        return nullptr;
    }
    wxString projectTitle = pProject->GetTitle();

    if (m_LSP_Clients.count(pProject))
        pClient =  m_LSP_Clients[pProject];

    if (not pClient)
    {
        #if defined(ccDEBUG)
        pLogMgr->DebugLog(wxString(__FUNCTION__) + ": No associated pClient in m_LSP_Clients[pProject] " << projectTitle);
        #endif
        return nullptr;
    }

    if (pClient and pClient->GetLSP_Initialized(pProject))
        return pClient;

    #if defined(ccDEBUG)
    wxString clientPtr = wxString::Format("%p", pClient);
    pLogMgr->DebugLog(wxString(__FUNCTION__) + ": pClient is not yet initialized. " + clientPtr);
    #endif

    return nullptr;
}
// ---------------------------------------------------------
ProcessLanguageClient* ParseManager::GetLSPclient(cbEditor* pEd)
// ---------------------------------------------------------
{
    // Return client ptr or nullptr

    if (not pEd) return nullptr;
    ProjectFile* pProjectFile = pEd->GetProjectFile();
    if (not pProjectFile)
        return nullptr;
    cbProject* pEdProject = pProjectFile->GetParentProject();
    if (not pEdProject) return nullptr;
    if (GetLSPclient(pEdProject))
        return GetLSPclient(pEdProject);
    return nullptr;
}
// ----------------------------------------------------------------------------
cbProject* ParseManager::GetProjectByClientAndFilename(ProcessLanguageClient* pClient, wxString& filename)
// ----------------------------------------------------------------------------
{
    // Find the project that owns this file
    cbProject* pProject = nullptr;

    LSPClientsMapType::iterator it = m_LSP_Clients.begin();
    while (it != m_LSP_Clients.end())
    {
        cbProject* pMapProject = it->first;
        ProcessLanguageClient* pMapClient = it->second;
        if (pMapClient == pClient)
        {
            pProject = pMapProject;
            // if no filename, ignore the proxy project and get active project
            if (filename.empty() and (pProject->GetTitle() == "~ProxyProject~"))
                {it++; continue;}
            // Keep looking if the filename not contained by this project
            if ( filename.Length() and (pProject != GetProjectByFilename(filename)))
                { it++; continue;}
            break;
        }
        it++;
    }
    return pProject;
}

// ----------------------------------------------------------------------------
bool ParseManager::DoLockClangd_CacheAccess(cbProject* pcbProject)
// ----------------------------------------------------------------------------
{
    // Multiple processes must not write to the Clangd cashe else crashes happen
    // from bad cache indexes or asserts.

    // Create a cache lock file containing the pid and windows label of the first
    // process to use the Clangd-cache file.
    // On subsequent attempts to use the cache, verify that it's the same process that
    // first opened the Clangd-cache.

    // Entries in the lock file look like lines of:
    //   OwningCodeBlocksPID;PathToOwningEXEfile;PathToProjectCBPfile

    bool success = false;
    if (not pcbProject) return success = false; // make success false and return it
    //Do not add an entry for the ~ProxyProject~
    if (pcbProject == GetProxyProject())
        return false;

    wxFileName fnCBPfile = pcbProject->GetFilename();
    wxString cbpDirectory = fnCBPfile.GetPath();

    // if no .cache dir, create one
    wxString Clangd_cacheDir = cbpDirectory + "/.cache";
    success = wxDirExists(Clangd_cacheDir);
    if (not success )
        success = wxFileName::Mkdir(Clangd_cacheDir);
    if (not success) return success = false; // make success false and return it

    wxString lockFilename = Clangd_cacheDir + "/Clangd-cache.lock";
    if (platform::windows) lockFilename.Replace("/", "\\");
    // Get this process PID

    long ourPid = wxGetProcessId();
    wxString ourPidStr = std::to_string(ourPid);
    // Get this process exec path
    wxString newExePath =  ProcUtils::GetProcessNameByPid(ourPid);
    wxString lockEntry;
    lockEntry << ourPidStr << ";" << newExePath << ";" << fnCBPfile.GetFullPath();

   wxTextFile lockFile(lockFilename);

    if (not wxFileExists(lockFilename) )
    {
        lockFile.Create();
        lockFile.AddLine(lockEntry);
        lockFile.Write();
        lockFile.Close();
        return success = true; //make success true and return it
    }
    // lock file already exists. Check if it's ours or another process owns it
    bool opened = lockFile.Open();
    if (not opened) return success = false; //lock file in use // make success false and return it

    long     lineItemPid = 0;
    wxString lineItemCBP = wxString();
    wxString lineItemExe = wxString();
    // If lockfile contains pid with this .cbp file, we own clangd cache
    for (size_t ii=0; ii<lockFile.GetLineCount(); ++ii)
    {
        wxString lineItem = lockFile.GetLine(ii);
        lineItem.BeforeFirst(';').ToLong(&lineItemPid);
        lineItemCBP = lineItem.AfterLast(';').Lower();
        lineItemExe = lineItem.AfterFirst(';').BeforeLast(';').Lower();
        if ( (lineItemPid == ourPid) and (lineItemCBP == fnCBPfile.GetFullPath().Lower()) )
        {   // Our pid already owns this cbp file
            lockFile.Close();
            return true;
        }
        if (lineItemCBP == fnCBPfile.GetFullPath().Lower() )
            break; //This is the .cbp we're looking for
    }

    // If lockFile owning pid not our pid; is the lockFile owning pid still running ?
    if ( (lineItemCBP == fnCBPfile.GetFullPath().Lower()) and  (lineItemPid != ourPid) )
    {
        long owningPid = lineItemPid;
        wxString owningPidProcessName = ProcUtils::GetProcessNameByPid(owningPid);

        // if pidProcessName not empty, owningPid is running
        if (owningPidProcessName.Length()) switch(1)
        {
            default: //owning pid is alive, but is it CodeBlocks
            // The owning pid is running but is it a reused pid? (not codeblocks)
            // if the running pid process name is different from lockFile pid process name
            // it's a reused pid. Probably from a system reboot or previous "stop debugger" command.
            wxFileName fnLineItemExeName = lineItemExe;
            wxFileName fnOwningExeProcessName  = owningPidProcessName;

            // Is it CodeBlocks executable
            if (fnOwningExeProcessName.GetPath().Lower() == fnLineItemExeName.GetPath().Lower())
            {
                // same dir, same project, different alive pid
                // A running pid is using the old stale lockFile pid, and it's running CodeBlocks

                // Summary:
                // These's already a running process that's using the cache and it's running codeblocks.
                // And THIS process is trying to access the same cache that the running process owns.
                // If it walks, quacks, and looks like a duck ...
                wxString deniedMsg = wxString::Format( _(
                                   "Process: %s Pid(%d)\nis denied access to:\n%s"
                                   "\nbeing used by\n"
                                   "process: %s Pid(%d)"),
                                    fnCBPfile.GetFullPath(), int(ourPid),
                                    Clangd_cacheDir,
                                    owningPidProcessName, int(owningPid)
                                   );
                deniedMsg += _("\n\nTo debug without this problem, debug a clone of the project directory.");
                deniedMsg += _("\nDelete the .cache directory and the compile_commands.json file from the clone");
                deniedMsg += _("\nbecause they contain references to the original files.");
                cbMessageBox(deniedMsg);
                lockFile.Close();
                return success = false; // make success false and return it
            }//endif execs match
        }//endif switch
    }//owningPid not out pid

    // old owning pid no longer exists; Set this process as new owning pid
    lockFile.AddLine(lockEntry);
    lockFile.Write();
    lockFile.Close();
    return success = true; //make success true and return it

    // unused original codeCompletion code --> return success = false;
}
// ----------------------------------------------------------------------------
bool ParseManager::DoUnlockClangd_CacheAccess(cbProject* pcbProject)
// ----------------------------------------------------------------------------
{
    // Multiple processes must not write to the Clangd cache else crashes/asserts
    // happen from bad cache indexes.

   // Call this function to remove the cache Access lock

    bool success = false;
    if (not pcbProject) return success = false; // make success false and return it

    wxFileName fnCBPfile = pcbProject->GetFilename();
    wxString cbpDirectory = fnCBPfile.GetPath();

    // if no .Clangd-cache dir, just return
    wxString Clangd_cacheDir = cbpDirectory + "/.cache";
    success = wxDirExists(Clangd_cacheDir);
    if (not success) return success = false; // make success false and return it

    //avoid file not found error when closing nultiple .cbp in workspace
    wxLogNull noLog;

    wxString lockFilename = Clangd_cacheDir + "/Clangd-cache.lock";
    if (platform::windows) lockFilename.Replace("/", "\\");

    wxTextFile lockFile(lockFilename);
    bool opened = lockFile.Open();
    if (not opened) return success = false; //lock file in use // make success false and return it

    long     lineItemPid = 0;
    wxString lineItemCBP = wxString();
    wxString lineItemExe = wxString();
    success = false;
    for (size_t ii=lockFile.GetLineCount(); ii-- >0; ) //loop from last line to first
    {
        wxString lineItem = lockFile.GetLine(ii);
        lineItem.BeforeFirst(';').ToLong(&lineItemPid);
        lineItemCBP = lineItem.AfterLast(';').Lower();
        lineItemExe = lineItem.AfterFirst(';').BeforeLast(';').Lower();
        // if pid is not alive, remove the lineItem
        wxString pidProcessName = ProcUtils::GetProcessNameByPid(lineItemPid);
        if (pidProcessName.empty() )
        {
            lockFile.RemoveLine(ii);
            continue;
        }
        if (lineItemCBP == fnCBPfile.GetFullPath().Lower() )
        {
            lockFile.RemoveLine(ii);
            success = true;
        }
    }//endFor
    lockFile.Write();
    if (lockFile.GetLineCount() == 0)
        wxRemoveFile(lockFilename);

    return success;
}
// ----------------------------------------------------------------------------
bool ParseManager::AddFileToParser(cbProject* project, const wxString& filename, Parser* parser)
// ----------------------------------------------------------------------------
{
    if (ParserCommon::FileType(filename) == ParserCommon::ftOther)
        return false;

    if (!parser)
    {
        parser = GetParserByProject(project);
        if (!parser)
            return false;
    }

    if (!parser->UpdateParsingProject(project))
        return false;

    TRACE(_T("ParseManager::AddFileToParser: Calling Parser::AddFile()"));

    return parser->AddFile(filename, project);
}

// ----------------------------------------------------------------------------
void ParseManager::RemoveFileFromParser(cbProject* project, const wxString& filename)
// ----------------------------------------------------------------------------
{
    Parser* parser = GetParserByProject(project);
    if (!parser)
        return ;

    TRACE(_T("ParseManager::RemoveFileFromParser: Calling Parser::RemoveFile()"));

    //return parser->RemoveFile(filename);
    parser->RemoveFile(filename);
    return;

}
// ----------------------------------------------------------------------------
void ParseManager::RereadParserOptions()
// ----------------------------------------------------------------------------
{
    ConfigManager* cfg = Manager::Get()->GetConfigManager("clangd_client");
    bool useSymbolBrowser = cfg->ReadBool(_T("/use_symbols_browser"), false);

    if (useSymbolBrowser)
    {
        if (!m_ClassBrowser)
        {
            CreateClassBrowser();
            //-UpdateClassBrowser();
            s_ClassBrowserCaller = wxString::Format("%s:%d",__FUNCTION__, __LINE__);
            m_ClassBrowser->UpdateClassBrowserView();

        }
        // change class-browser docking settings
        else if (m_ClassBrowserIsFloating != cfg->ReadBool(_T("/as_floating_window"), false))
        {
            RemoveClassBrowser();
            CreateClassBrowser();
            // force re-update
            //-UpdateClassBrowser();
            s_ClassBrowserCaller = wxString::Format("%s:%d",__FUNCTION__, __LINE__);
            m_ClassBrowser->UpdateClassBrowserView();
        }
    }
    else if (!useSymbolBrowser && m_ClassBrowser)
        RemoveClassBrowser();

    // re-read the .conf options
    ParserOptions opts = m_ActiveParser->Options();
    dynamic_cast<ParserBase*>(m_ActiveParser)->ReadOptions();
    m_ParserPerWorkspace = false;
}
// ----------------------------------------------------------------------------
bool ParseManager::IsClassBrowserEnabled()
// ----------------------------------------------------------------------------
{
    ConfigManager* cfg = Manager::Get()->GetConfigManager("clangd_client");
    bool useSymbolBrowser = cfg->ReadBool(_T("/use_symbols_browser"), false);
    return useSymbolBrowser;
}
// ----------------------------------------------------------------------------
void ParseManager::ReparseCurrentProject()
// ----------------------------------------------------------------------------
{
    // Invoked from codecompletion::ReparseCurrentProject event

    cbProject* pProject = Manager::Get()->GetProjectManager()->GetActiveProject();
    if (pProject)
    {
        TRACE(_T("ParseManager::ReparseCurrentProject: Calling DeleteParser() and CreateParser()"));

        // Save the current parser options
        ParserOptionsSave(m_ActiveParser);
        BrowserOptionsSave(m_ActiveParser);

        DeleteParser(pProject);
        // The old options have just been overwritten by DeleteParser();
        // DeleteParser() calls SetParser() calls ClassBrowser->SetParser() calls WriteOptions()
        bool useSavedOptions = true;
        CreateParser(pProject, useSavedOptions);
    }
}
// ----------------------------------------------------------------------------
void ParseManager::ReparseCurrentEditor()
// ----------------------------------------------------------------------------
{
    // Invoked from codecompletion::ReparseCurrentProject event

    cbProject* project = GetActiveEditorProject();
    if (project)
    {
        TRACE(_T("ParseManager::ReparseCurrentProject: Calling DeleteParser() and CreateParser()"));

        // Save the current parser options
        ParserOptionsSave(m_ActiveParser);
        BrowserOptionsSave(m_ActiveParser);

        DeleteParser(project);
        // The old options have just been overwritten by DeleteParser();
        // DeleteParser() calls SetParser() calls ClassBrowser->SetParser() calls WriteOptions()
        bool useSavedOptions = true;
        CreateParser(project, useSavedOptions);
    }
}
// ----------------------------------------------------------------------------
void ParseManager::ReparseSelectedProject()
// ----------------------------------------------------------------------------
{
    wxTreeCtrl* tree = Manager::Get()->GetProjectManager()->GetUI().GetTree();
    if (!tree)
        return;

    wxTreeItemId treeItem = Manager::Get()->GetProjectManager()->GetUI().GetTreeSelection();
    if (!treeItem.IsOk())
        return;

    const FileTreeData* data = static_cast<FileTreeData*>(tree->GetItemData(treeItem));
    if (!data)
        return;

    if (data->GetKind() == FileTreeData::ftdkProject)
    {
        cbProject* project = data->GetProject();
        if (project)
        {
            TRACE(_T("ParseManager::ReparseSelectedProject: Calling DeleteParser() and CreateParser()"));
            DeleteParser(project);
            CreateParser(project);
        }
    }
}

// ----------------------------------------------------------------------------
wxArrayString ParseManager::ParseProjectSearchDirs(const cbProject &project)
// ----------------------------------------------------------------------------
{

    const TiXmlNode *extensionNode = project.GetExtensionsNode();
    if (!extensionNode)
        return wxArrayString();
    const TiXmlElement* elem = extensionNode->ToElement();
    if (!elem)
        return wxArrayString();

    wxArrayString pdirs;
    const TiXmlElement* CCConf = elem->FirstChildElement("clangd_client");
    if (CCConf)
    {
        const TiXmlElement* pathsElem = CCConf->FirstChildElement("search_path");
        while (pathsElem)
        {
            if (pathsElem->Attribute("add"))
            {
                wxString dir = cbC2U(pathsElem->Attribute("add"));
                if (pdirs.Index(dir) == wxNOT_FOUND)
                    pdirs.Add(dir);
            }

            pathsElem = pathsElem->NextSiblingElement("search_path");
        }
    }
    return pdirs;
}
// ----------------------------------------------------------------------------
void ParseManager::SetProjectSearchDirs(cbProject &project, const wxArrayString &dirs)
// ----------------------------------------------------------------------------
{
    TiXmlNode *extensionNode = project.GetExtensionsNode();
    if (!extensionNode)
        return;
    TiXmlElement* elem = extensionNode->ToElement();
    if (!elem)
        return;

    // since rev4332, the project keeps a copy of the <Extensions> element
    // and re-uses it when saving the project (so to avoid losing entries in it
    // if plugins that use that element are not loaded atm).
    // so, instead of blindly inserting the element, we must first check it's
    // not already there (and if it is, clear its contents)
    TiXmlElement* node = elem->FirstChildElement("clangd_client");
    if (!node)
        node = elem->InsertEndChild(TiXmlElement("clangd_client"))->ToElement();
    if (node)
    {
        node->Clear();
        for (size_t i = 0; i < dirs.GetCount(); ++i)
        {
            TiXmlElement* path = node->InsertEndChild(TiXmlElement("search_path"))->ToElement();
            if (path) path->SetAttribute("add", cbU2C(dirs[i]));
        }
    }
}
// ----------------------------------------------------------------------------
void ParseManager::CreateClassBrowser()
// ----------------------------------------------------------------------------
{
    ConfigManager* cfg = Manager::Get()->GetConfigManager("clangd_client");
    if (m_ClassBrowser || !cfg->ReadBool(_T("/use_symbols_browser"), false))
        return;

    TRACE(_T("ParseManager::CreateClassBrowser: Enter"));

    m_ClassBrowserIsFloating = cfg->ReadBool(_T("/as_floating_window"), false);

    if (m_ClassBrowserIsFloating)
    {
        m_ClassBrowser = new ClassBrowser(Manager::Get()->GetAppWindow(), this);

        // make this a free floating/docking window
        CodeBlocksDockEvent evt(cbEVT_ADD_DOCK_WINDOW);

        evt.name = _T("SymbolsBrowser");
        evt.title = _("Symbols browser");
        evt.pWindow = m_ClassBrowser;
        evt.dockSide = CodeBlocksDockEvent::dsRight;
        evt.desiredSize.Set(200, 250);
        evt.floatingSize.Set(200, 250);
        evt.minimumSize.Set(150, 150);
        evt.shown = true;
        evt.hideable = true;
        Manager::Get()->ProcessEvent(evt);
        m_ClassBrowser->UpdateSash();
    }
    else
    {
        // make this a tab in projectmanager notebook
        m_ClassBrowser = new ClassBrowser(Manager::Get()->GetProjectManager()->GetUI().GetNotebook(), this);
        Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->AddPage(m_ClassBrowser, _("Symbols"));
        m_ClassBrowser->UpdateSash();
    }
    wxAuiNotebook* pNotebook = Manager::Get()->GetProjectManager()->GetUI().GetNotebook();
    Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->Bind(wxEVT_AUINOTEBOOK_PAGE_CHANGED,  &ParseManager::OnAUIProjectPageChanged, this);
    Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->Bind(wxEVT_AUINOTEBOOK_PAGE_CHANGING, &ParseManager::OnAUIProjectPageChanging, this);
    n_SymbolsPageIdx = pNotebook->GetPageCount() - 1; //assumes index and last added page is same

    // Dreaded DDE-open bug related: do not touch unless for a good reason
    // TODO (Morten): ? what's bug? I test it, it's works well now.
    m_ClassBrowser->SetParser(m_ActiveParser); // Also updates class browser

    RefreshSymbolsTab();

    TRACE(_T("ParseManager::CreateClassBrowser: Leave"));
}
// ----------------------------------------------------------------------------
void ParseManager::OnAUIProjectPageChanged(wxAuiNotebookEvent& event)
// ----------------------------------------------------------------------------
{
    // Handle the page changed event here and clear the local page changing status info
    event.Skip();

    int selectedPage = event.GetSelection();
    wxString pageTitle = Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->GetPageText(selectedPage);
    n_IsSymbolsTabSelected = false;
    n_SkipNextSymbolsChangePageCall = false;

    // Only update Symbol browser window if it has focus.
    // Check again, wxWidgets focus event can be really slow sometimes
    // Experience shows this routine is faster than wxEVT_SET/KILL_FOCUS event.
    //if (isSymbolsTabFocused)
    {
        ProjectManager* pPrjMgr = Manager::Get()->GetProjectManager();
        wxWindow* pCurrentPage = pPrjMgr->GetUI().GetNotebook()->GetCurrentPage();
        int pageIndex = pPrjMgr->GetUI().GetNotebook()->GetPageIndex(pCurrentPage);
        pageTitle = pPrjMgr->GetUI().GetNotebook()->GetPageText(pageIndex);
        if (pCurrentPage == GetClassBrowser())
        {
            if ( pCurrentPage->GetScreenRect().Contains( wxGetMousePosition()) )
                SetSymbolsWindowHasFocus(true);
            else SetSymbolsWindowHasFocus(false);
        }
    }

}
// ----------------------------------------------------------------------------
void ParseManager::OnAUIProjectPageChanging(wxAuiNotebookEvent& event)
// ----------------------------------------------------------------------------
{
    // Handle the page change/click event here
    // using this even allows us to catch page changes as well as a single dclick on the page tab
    // **BUG**
    // This event is being call twice in succession (others experience it also)
    // when switching from one tab to another, but only once when just clicking the active tab.
    // https://forums.wxwidgets.org/viewtopic.php?t=16795

    event.Skip();

    // When this is the second call of a page change, ( a bug) ignore it.
    if (n_SkipNextSymbolsChangePageCall)
    {
        n_SkipNextSymbolsChangePageCall = false;
        return;
    }

    wxWindow* pCurrentPage =  Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->GetCurrentPage();
    int currentPageIdx = Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->GetPageIndex(pCurrentPage);

    int selectedPage = event.GetSelection();
    // if currentPageIdx and selectedPage the same, this is a once off tab click
    // if currentPageIdx and selectedPage differ, this is a change to another tab
    bool isPageActivation = false;
    if (currentPageIdx == selectedPage)
        isPageActivation = true;
    if (not isPageActivation)  //this is a page change which happens twice ( a bug)
    {
        n_SkipNextSymbolsChangePageCall = true; //ignore the next superfluous page change call
    }
    wxString pageTitle = Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->GetPageText(selectedPage);
    if (pageTitle == _("Symbols") and Manager::Get()->GetProjectManager()->GetActiveProject())
    {
        n_IsSymbolsTabSelected = true;  //say the Sysmbols tab is selected
        SetSymbolsWindowHasFocus(true);
        UpdateClassBrowser();
    }
    else SetSymbolsWindowHasFocus(false);
    // alway reset the selection status to avoid confusing other's calls to UpdateClassBrowser()
    n_IsSymbolsTabSelected = false;
}
// ----------------------------------------------------------------------------
void ParseManager::RefreshSymbolsTab()
// ----------------------------------------------------------------------------
{

    // When the Symbols tab is disabled from the options dialog and then
    // re-enabled, it never displays its data in the Symbols tab again, even
    // though the data is acutally there. To display the data, the panel holding the
    // Symbols data panel has to be resized. This has got to be some sort of wxAUI bug.
    // To solve the problem, this function jiggles the height of the notebook page.

    if (Manager::IsAppShuttingDown())
        return;

    cbAuiNotebook* pNotebook = Manager::Get()->GetProjectManager()->GetUI().GetNotebook();
    int pageKnt = pNotebook->GetPageCount();
    int pageID = -1;
    for (int ii=0; ii<pageKnt; ++ii)
    {
        wxString tabtext = pNotebook->GetPageText(ii);
        if (tabtext == _("Symbols") )
        {
            pageID = ii;
            break;
        }
    }
    if (pageID == -1) return;
    wxWindow* pSymbolsPage = pNotebook->GetPage(pageID);
    if (pSymbolsPage)
    {
        // calling wxWindow Update(),Refresh(). Layout(), etc did not work
        // But jiggling the window up and down does.
        wxSize wsize = pSymbolsPage->GetSize();
        wsize.SetHeight(wsize.GetHeight()-1);
        pSymbolsPage->SetSize(wsize);
        wsize.SetHeight(wsize.GetHeight()+1);
        pSymbolsPage->SetSize(wsize);
    }
    return;
}
// ----------------------------------------------------------------------------
void ParseManager::RemoveClassBrowser(cb_unused bool appShutDown)
// ----------------------------------------------------------------------------
{
    if (!m_ClassBrowser)
        return;

    TRACE(_T("ParseManager::RemoveClassBrowser()"));

    if (m_ClassBrowserIsFloating)
    {
        CodeBlocksDockEvent evt(cbEVT_REMOVE_DOCK_WINDOW);
        evt.pWindow = m_ClassBrowser;
        Manager::Get()->ProcessEvent(evt);
    }
    else
    {
        int idx = Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->GetPageIndex(m_ClassBrowser);
        if (idx != -1)
            Manager::Get()->GetProjectManager()->GetUI().GetNotebook()->RemovePage(idx);
    }

    m_ClassBrowser->Destroy();
    m_ClassBrowser = NULL;
}
// ----------------------------------------------------------------------------
void ParseManager::UpdateClassBrowser(bool force)
// ----------------------------------------------------------------------------
{

    //Note, This function must NOT be called when Re-enabling "Disable Symbol browser"
    // because m_ActiveParser->Done() returns false and the ClassBrowser UI Symbols tab
    // will not get updated and will cause crashes using stale pointeers.
    // UpdateClassBrowserView() is called directly from the CdreateClassBrowser() function.

    TRACE(_T("ParseManager::UpdateClassBrowser()"));

    // Guarantee that this function is not re-entrant
    if (n_UpdateClassBrowserBusy)
        return;
    struct UpdateClassBrowserBusy_t
    {
        UpdateClassBrowserBusy_t() {n_UpdateClassBrowserBusy = true;}
        ~UpdateClassBrowserBusy_t() {n_UpdateClassBrowserBusy = false;}
    } updateClassBrowserBusy ;

    if ( Manager::IsAppShuttingDown() )
        return;
    // Dont update symbols window when debugger is running
    if (IsDebuggerRunning())
        return;
    // If no ClassBrowser, bail
    if (not m_ClassBrowser)
          return;

    // If user is using the Symbols tab delay the update.
    if (not force)
    {
        if (not IsOkToUpdateClassBrowserView())
            return;

        if ( m_ActiveParser != m_TempParser
            && m_ActiveParser->Done() )
        {
            //-s_ClassBrowserCaller = wxString::Format("%s:%d",__FUNCTION__, __LINE__);
            m_ClassBrowser->UpdateClassBrowserView();
        }
    }
    else // update is being forced (probably from workspace close to clear the Symbols tree)
        m_ClassBrowser->UpdateClassBrowserView(/*checkHeaderSwap*/false, /*forceupdate*/force);
}
// ----------------------------------------------------------------------------
bool ParseManager::IsOkToUpdateClassBrowserView()
// ----------------------------------------------------------------------------
{
    static size_t startMillisTOD;

    // Dont update Sysmbols when debugger is running
    if (IsDebuggerRunning())
        return false;

    bool isSymbolsTabFocused = GetClassBrowser() ? GetSymbolsWindowHasFocus() : false;
    bool isUpdatingClassBrowserBusy = GetUpdatingClassBrowserBusy();
    isSymbolsTabFocused = isSymbolsTabFocused or n_IsSymbolsTabSelected;
    // Only update Symbol browser window if it has focus.
    // Check again, wxWidgets focus event can be really slow sometimes
    // Experience shows this routine is faster than wxEVT_SET/KILL_FOCUS event.
    if (not isSymbolsTabFocused)
    {
        // See if the mouse is inside the Symbols tree window
        ProjectManager* pPrjMgr = Manager::Get()->GetProjectManager();
        wxWindow* pCurrentPage = pPrjMgr->GetUI().GetNotebook()->GetCurrentPage();
        int pageIndex = pPrjMgr->GetUI().GetNotebook()->GetPageIndex(pCurrentPage);
        wxString pageTitle = pPrjMgr->GetUI().GetNotebook()->GetPageText(pageIndex);
        if (pCurrentPage == GetClassBrowser())
        {
            if ( pCurrentPage->GetScreenRect().Contains( wxGetMousePosition()) )
                isSymbolsTabFocused = true;
            else isSymbolsTabFocused = false;
        }
    }

    bool isBusyClassBrowserBuilderThread = GetClassBrowser() ? GetClassBrowser()->IsBusyClassBrowserBuilderThread() : false;

    if (isBusyClassBrowserBuilderThread)
    {
        if (not startMillisTOD)
            startMillisTOD = GetNowMilliSeconds(); //remember the start busy time-of-day
        size_t durationMillis = GetDurationMilliSeconds(startMillisTOD);
        // Somehow ClassBrowserBuilderThread::m_IsBusy is getting stuck at busy count == 1;
        // The following insures it gets unstuck until the problem is found.
        if ((durationMillis > 3000) and (not IsDebuggerRunning()) )
        {
            startMillisTOD = 0; //clear to get a new busy tod
            if (GetClassBrowser()->GetClassBrowserBuilderThread())
            {
                int knt = GetClassBrowser()->GetClassBrowserBuilderThread()->GetIsBusy();
                wxString msg = wxString::Format(_("ClassBrowserBuilderThread::m_IsBusy is stuck at %d for %d msec"), knt, int(durationMillis) );
                // FIXME (ph#): What should be done? clear it or what?
                //-GetClassBrowser()->GetClassBrowserBuilderThread()->SetIsBusy(false);
                CCLogger::Get()->DebugLogError(msg);

            }
        }
        return false; // say not ok to update
    }

    if ((not isSymbolsTabFocused) or isBusyClassBrowserBuilderThread or isUpdatingClassBrowserBusy)
        return false; //cannot update, Symbols tab is unfocused or builderthread is busy or already updating

    startMillisTOD = 0; //clear busy time when is Ok to update classBrowser tree;
    return true;
}
// ----------------------------------------------------------------------------
void ParseManager::GetPriorityFilesForParsing(StringList& localSourcesList, cbProject* pProject)
// ----------------------------------------------------------------------------
{
    EditorManager* pEdMgr = Manager::Get()->GetEditorManager();

    if ( pEdMgr->GetEditorsCount())
    {
        // -------------------------------------------------------
        // Add an entry for the active 'GetBuiltinActiveEditor()' first, so the user
        // can use goto def's/decl's and code completion as soon as possible.
        // -------------------------------------------------------
        cbEditor* pEditor = pEdMgr->GetBuiltinActiveEditor();
        if (pEditor) switch(1)
        {
            default:
            wxString filename = pEditor->GetFilename();
            // Find the ProjectFile and project containing this editors file.
            ProjectFile* pProjectFile = pEditor->GetProjectFile();
            if (not pProjectFile) break;
            cbProject* pFilesProject = pProjectFile->GetParentProject();
            // For LSP, file must belong to a project, because LSP needs target compiler parameters.
            if (not pFilesProject) break;
            if (pFilesProject != pProject) break; //file doesnt belong to this project
            ParserCommon::EFileType ft = ParserCommon::FileType(pEditor->GetShortName());
            //-if ( ft != ftHeader && ft != ftSource && ft != ftTemplateSource) // only parse source/header files
            if (ft == ParserCommon::ftOther)
                break;

            // add file to background parsing queue
            localSourcesList.push_back(filename);

            break;
        } //endif switch

        // -------------------------------------------------------
        // Add a file list entry for the remaining open editor files
        // -------------------------------------------------------
        for (int ii=0; ii< pEdMgr->GetEditorsCount(); ++ii)
        {
            pEditor = pEdMgr->GetBuiltinEditor(ii);
            if (pEditor)
            {
                // don't re-list an already listed editor file
                wxString filename = pEditor->GetFilename();
                std::list<wxString>::iterator findIter = std::find(localSourcesList.begin(), localSourcesList.end(), filename);
                if (findIter != localSourcesList.end())
                {
                    wxString foundItem = *findIter; // **debugging**
                    continue;
                }
                // Find the ProjectFile and project containing this editors file.
                ProjectFile* pProjectFile = pEditor->GetProjectFile();
                if (not pProjectFile) continue;
                cbProject* pFilesProject = pProjectFile->GetParentProject();
                // For LSP, file must belong to a project, because LSP needs target compile parameters.
                if (not pFilesProject) continue;
                if (pFilesProject != pProject) continue;
                // only parse source/header files
                ParserCommon::EFileType ft = ParserCommon::FileType(pEditor->GetShortName());
                if ( (ft != ParserCommon::ftHeader) && (ft != ParserCommon::ftSource)
                    && (FileTypeOf(pEditor->GetShortName()) != ftTemplateSource) )
                    continue;

                localSourcesList.push_back(filename);
                continue;
            }//endif pcbEd
        }//endfor editorCount
    }
}
// ----------------------------------------------------------------------------
bool ParseManager::DoFullParsing(cbProject* project, Parser* parser)
// ----------------------------------------------------------------------------
{
    //-wxStopWatch timer;
    if (!parser)
        return false;

    TRACE(_T("ParseManager::DoFullParsing: Enter"));

    // add per-project dirs
    if (project)
    {
        if ( not parser->Options().platformCheck
            || (parser->Options().platformCheck && project->SupportsCurrentPlatform()) )
        {
            // Note: This parses xml data to get the search directories. It might be expensive if
            //       the list of directories is too large.
            AddIncludeDirsToParser(ParseProjectSearchDirs(*project),
                                   project->GetBasePath(), parser);
        }

        AddCompilerAndIncludeDirs(project, parser);
         // **debugging*
        for (size_t ii=0; ii<parser->GetIncludeDirs().Count(); ++ii)
        {
            if (ii == 0 ) CCLogger::Get()->DebugLog("IncludeDirs array:");
            CCLogger::Get()->DebugLog(wxString::Format("\t%s", parser->GetIncludeDirs()[ii]));
        }

    }//end if project

    //FIXME (ph#): ShowInheritance config setting and context menu setting is out of sync. Only saved on exit.
    ConfigManager* cfg = Manager::Get()->GetConfigManager("clangd_client");
    bool cfgShowInheritance = cfg->ReadBool(_T("/browser_show_inheritance"),    false);
    BrowserOptions& options = parser->ClassBrowserOptions();
    if (cfgShowInheritance or options.showInheritance) cfgShowInheritance = true;

    StringList localSources;

    if (project)  //LSP sorts the filenames by modification time
    {
        // Note: Windows 10 file access time is not updated when the volume is > 128 Gig
        //  unless the user has issued "fsutil behavior set disablelastaccess <0-3>"
        //  (only valid in Windows 10 version 1803 and higher.)
        //  cf: "fsutil behavior query disablelastaccess" command to get status.
        //    Value	Description
        //    0	User Managed, Last Access Time Updates Enabled
        //    1	User Managed, Last Access Time Updates Disabled
        //    2 (default)	System Managed, Last Access Time Updates Enabled
        //    3	System Managed, Last Access Time Updates Disabled
        //  https://www.tenforums.com/tutorials/139015-enable-disable-ntfs-last-access-time-stamp-updates-windows-10-a.html
        // So here, we sort by modification time since read access time is usually invalid.

        // For LSP, sort the filenames by modification time
        // so that the latest modified files get parsed first.
        std::multimap<wxDateTime,wxString>sortedSources;
        for (FilesList::const_iterator fl_it = project->GetFilesList().begin();
             fl_it != project->GetFilesList().end(); ++fl_it)
        {
            ProjectFile* pf = *fl_it;
            if (!pf)
                continue;
            // If the file is already open, it'll be skipped later by OnBatchTimer().
            // It needs to be included so that it's header/source is background parsed
            // Sort the source files by recently "file modified time".
            ParserCommon::EFileType ft = ParserCommon::FileType(pf->relativeFilename);
            if (ft == ParserCommon::ftSource) // parse source files
            {
                wxDateTime lastAccTime;
                wxDateTime lastModTime;
                wxFileName fn(pf->file.GetFullPath() );
                if (not fn.FileExists() ) continue;
                bool ok = fn.GetTimes(&lastAccTime,&lastModTime, nullptr);
                if (not ok) continue;
                // Order the file by last modified time
                sortedSources.insert(std::pair<wxDateTime,wxString>(lastModTime, pf->file.GetFullPath()) );
            }
        }//for file list

        // Add active editor files to localSources list, then add other open editor
        // files before adding unopened files. This allows priority parsing of the most used files.
        GetPriorityFilesForParsing(localSources, project);

        // add the sorted sources list to the  already collected editor sources list
        // This creates a list sorted by active files then modified files, then lesser used files
        // Feeding this list to the parser allows the user to do code completion soonest.
        if (sortedSources.size())
        {
            for (std::multimap<wxDateTime,wxString>::reverse_iterator it=sortedSources.rbegin(); it!=sortedSources.rend(); ++it)
            {
                // If the config asks for inheritance, parse the header files also.
                if (cfgShowInheritance)
                {
                    wxString hdrPath = GetHeaderForSourceFile(project, it->second);
                    if (hdrPath.Length())
                    {
                        // add header file if not duplicate
                        std::list<wxString>::iterator findIter = std::find(localSources.begin(), localSources.end(), hdrPath);
                        if (findIter == localSources.end() )
                            localSources.push_back(hdrPath);
                    }
                }
                // add source file if not duplicate
                std::list<wxString>::iterator findIter = std::find(localSources.begin(), localSources.end(), it->second);
                if (findIter == localSources.end())
                    localSources.push_back(it->second);
            }//endif for
        }//endif sortedSources
    }//endif project

    wxString prj = (project ? project->GetTitle() : _T("*NONE*"));

    if (not localSources.empty())
    {
        CCLogger::Get()->DebugLog(wxString::Format(_T("ParseManager::DoFullParsing: Added %lu source file(s) for project '%s' to batch-parser..."),
                                    static_cast<unsigned long>( localSources.size()), prj.wx_str()));

        //for (const wxString& entry : localSources) // **Debugging**
        //{
        //    wxString msg = wxString::Format("%s adding file to parser: %s", __FUNCTION__, entry);
        //    CCLogger::Get()->DebugLog(DebugLog(msg);
        //}
        //    // **Debugging**
        //    for (const wxString& entry : localSources)
        //    {
        //        wxString msg = wxString::Format("%s adding file to parser: %s", __FUNCTION__, entry);
        //        CCLogger::Get()->DebugLog(msg);
        //    }

        // local source files added to Parser
        parser->AddBatchParse(localSources);
    }

    TRACE(_T("ParseManager::DoFullParsing: Leave"));

    return true;
}
// ----------------------------------------------------------------------------
bool ParseManager::SwitchParser(cbProject* project, Parser* parser)
// ----------------------------------------------------------------------------
{
    if (!parser || parser == m_ActiveParser || GetParserByProject(project) != parser)
    {
        TRACE(_T("ParseManager::SwitchParser: No need to / cannot switch."));
        return false;
    }

    TRACE(_T("ParseManager::SwitchParser()"));

    SetParser(parser); // Also updates class browser

    wxString prj = (project ? project->GetTitle() : _T("*NONE*"));
    wxString log(wxString::Format(_("Switching parser to project '%s'"), prj.wx_str()));
    CCLogger::Get()->Log(log);
    CCLogger::Get()->DebugLog(log);

    return true;
}
// ----------------------------------------------------------------------------
void ParseManager::SetParser(Parser* parser)
// ----------------------------------------------------------------------------
{
    // if the active parser is the same as the old active parser, nothing need to be done
    if (m_ActiveParser == parser)
        return;

    #if defined(cbDEBUG)
    if (not Manager::IsAppShuttingDown())
    {
        wxString fromProject = "*NONE*";
        wxString toProject = "*NONE*";
        // The parser and project pointers can be null; Esp., for the TempParser
        fromProject = (m_ActiveParser and ((Parser*)m_ActiveParser)->GetParsersProject()) ? ((Parser*)m_ActiveParser)->GetParsersProject()->GetTitle() : "*NONE*";
        toProject   = (  parser and ((Parser*)  parser)->GetParsersProject()) ? ((Parser*)  parser)->GetParsersProject()->GetTitle() : "*NONE*";
        wxString msg = wxString::Format("Switching parser/project from %s to %s", fromProject, toProject);
        CCLogger::Get()->DebugLog(msg);
    }
    #endif

    // a new parser is active, so remove the old parser's local variable tokens.
    // if m_Parser == nullptr, this means the active parser is already deleted.
    if (m_ActiveParser)
        RemoveLastFunctionChildren(m_ActiveParser->GetTokenTree(), m_LastFuncTokenIdx);

    // refresh code completion related variables
    InitCCSearchVariables();

    // switch the active parser
    m_ActiveParser = parser;

    if (m_ClassBrowser)
        m_ClassBrowser->SetParser(parser); // Also updates class browser
}
// ----------------------------------------------------------------------------
void ParseManager::ClearParsers()
// ----------------------------------------------------------------------------
{
    TRACE(_T("ParseManager::ClearParsers()"));

    if (m_ParserPerWorkspace) //always false for clangd
    {
        while (!m_ParsedProjects.empty() && DeleteParser(*m_ParsedProjects.begin()))
            ;
    }
    else
    {
        while (!m_ParserList.empty() && DeleteParser(m_ParserList.begin()->first))
            ;
    }
}
// ----------------------------------------------------------------------------
std::pair<cbProject*, Parser*> ParseManager::GetParserInfoByCurrentEditor()
// ----------------------------------------------------------------------------
{
    std::pair<cbProject*, Parser*> info(nullptr, nullptr);
    cbEditor* editor = Manager::Get()->GetEditorManager()->GetBuiltinActiveEditor();

    if ( editor ) //No need to check editor->GetFilename, because a built-in editor always have a filename
    {
        info.first  = GetProjectByEditor(editor);
        info.second = GetParserByProject(info.first);
    }

    return info;
}
// ----------------------------------------------------------------------------
void ParseManager::SetCBViewMode(const BrowserViewMode& mode)
// ----------------------------------------------------------------------------
{
    m_ActiveParser->ClassBrowserOptions().showInheritance = (mode == bvmInheritance) ? true : false;
    s_ClassBrowserCaller = wxString::Format("%s:%d",__FUNCTION__, __LINE__);
    UpdateClassBrowser();
}

// helper funcs

// returns current function's position (not line) in the editor
// ----------------------------------------------------------------------------
int ParseManager::FindCurrentFunctionStart(bool callerHasTreeLock,
                                           ccSearchData* searchData,
                                           wxString*     nameSpace,
                                           wxString*     procName,
                                           int*          functionIndex,
                                           int           caretPos )
// ----------------------------------------------------------------------------
{
    // cache last result for optimization
    int pos = caretPos == -1 ? searchData->control->GetCurrentPos() : caretPos;
    if ((pos < 0) || (pos > searchData->control->GetLength()))
    {
        if (s_DebugSmartSense)
            CCLogger::Get()->DebugLog(wxString::Format(_T("FindCurrentFunctionStart() Cannot determine position. caretPos=%d, control=%d"),
                                        caretPos, searchData->control->GetCurrentPos()));
        return -1;
    }

    TRACE(_T("ParseManager::FindCurrentFunctionStart()"));

    const int curLine = searchData->control->LineFromPosition(pos) + 1;
    if (   (curLine == m_LastLine)
        && ( (searchData->control == m_LastControl) && (!searchData->control->GetModify()) )
        && (searchData->file == m_LastFile) )
    {
        if (nameSpace)     *nameSpace     = m_LastNamespace;
        if (procName)      *procName      = m_LastPROC;
        if (functionIndex) *functionIndex = m_LastFunctionIndex;

        if (s_DebugSmartSense)
            CCLogger::Get()->DebugLog(wxString::Format(_T("FindCurrentFunctionStart() Cached namespace='%s', cached proc='%s' (returning %d)"),
                                        m_LastNamespace.wx_str(), m_LastPROC.wx_str(), m_LastResult));

        return m_LastResult;
    }

    if (s_DebugSmartSense)
        CCLogger::Get()->DebugLog(wxString::Format(_T("FindCurrentFunctionStart() Looking for tokens in '%s'"),
                                    searchData->file.wx_str()));
    m_LastFile    = searchData->file;
    m_LastControl = searchData->control;
    m_LastLine    = curLine;

    // we have all the tokens in the current file, then just do a loop on all
    // the tokens, see if the line is in the token's imp.
    TokenIdxSet result;
    size_t num_results = m_ActiveParser->FindTokensInFile(callerHasTreeLock, searchData->file, result, tkAnyFunction | tkClass);
    if (s_DebugSmartSense)
        CCLogger::Get()->DebugLog(wxString::Format(_T("FindCurrentFunctionStart() Found %lu results"), static_cast<unsigned long>(num_results)));

    TokenTree* tree = m_ActiveParser->GetTokenTree();

    //CC_LOCKER_TRACK_TT_MTX_LOCK(s_TokenTreeMutex)
    cbAssert(callerHasTreeLock && "Caller must own TokenTree lock");

    const int idx = GetTokenFromCurrentLine(tree, result, curLine, searchData->file);
    const Token* token = tree->at(idx);
    if (token)
    {
        // got it :)
        if (s_DebugSmartSense)
            CCLogger::Get()->DebugLog(wxString::Format(_T("FindCurrentFunctionStart() Current function: '%s' (at line %u)"),
                                        token->DisplayName().wx_str(),
                                        token->m_ImplLine));

        m_LastNamespace      = token->GetNamespace();
        m_LastPROC           = token->m_Name;
        m_LastFunctionIndex  = token->m_Index;
        m_LastResult         = searchData->control->PositionFromLine(token->m_ImplLine - 1);

        // locate function's opening brace
        if (token->m_TokenKind & tkAnyFunction)
        {
            while (m_LastResult < searchData->control->GetTextLength())
            {
                wxChar ch = searchData->control->GetCharAt(m_LastResult);
                if (ch == _T('{'))
                    break;
                else if (ch == 0)
                {
                    if (s_DebugSmartSense)
                        CCLogger::Get()->DebugLog(_T("FindCurrentFunctionStart() Can't determine functions opening brace..."));

                    // ----------------------------------------------
                    CC_LOCKER_TRACK_TT_MTX_UNLOCK(s_TokenTreeMutex)
                    // ----------------------------------------------
                    s_TokenTreeMutex_Owner = wxString();

                    return -1;
                }

                ++m_LastResult;
            }
        }

        if (nameSpace)     *nameSpace     = m_LastNamespace;
        if (procName)      *procName      = m_LastPROC;
        if (functionIndex) *functionIndex = token->m_Index;

        if (s_DebugSmartSense)
            CCLogger::Get()->DebugLog(wxString::Format(_T("FindCurrentFunctionStart() Namespace='%s', proc='%s' (returning %d)"),
                                        m_LastNamespace.wx_str(), m_LastPROC.wx_str(), m_LastResult));

        //CC_LOCKER_TRACK_TT_MTX_UNLOCK(s_TokenTreeMutex)
        cbAssert(callerHasTreeLock && "Caller must own TokenTree lock");
        return m_LastResult;
    }

    if (s_DebugSmartSense)
        CCLogger::Get()->DebugLog(_T("FindCurrentFunctionStart() Can't determine current function..."));

    m_LastResult = -1;
    return -1;
}
// ----------------------------------------------------------------------------
bool ParseManager::AddCompilerAndIncludeDirs(cbProject* project, Parser* parser)
// ----------------------------------------------------------------------------
{
    if (!parser)
        return false;

    TRACE(_T("ParseManager::AddCompilerDirs: Enter"));

    // If there is no project, work on default compiler
    if (not project)
    {
        AddCompilerIncludeDirsToParser(CompilerFactory::GetDefaultCompiler(), parser);
        TRACE(_T("ParseManager::AddCompilerDirs: Leave"));
        return true;
    }

    // Otherwise (if there is a project), work on the project's compiler...
    wxString base = project->GetBasePath();
    parser->AddIncludeDir(base); // add project's base path
    TRACE(_T("ParseManager::AddCompilerDirs: Adding project base dir to parser: ") + base);

    // ...so we can access post-processed project's search dirs
    Compiler* compiler = CompilerFactory::GetCompiler(project->GetCompilerID());
    cb::shared_ptr<CompilerCommandGenerator> generator(compiler ? compiler->GetCommandGenerator(project) : nullptr);

    // get project include search dirs
    if (   !parser->Options().platformCheck
        || (parser->Options().platformCheck && project->SupportsCurrentPlatform()) )
    {
        AddIncludeDirsToParser(project->GetIncludeDirs(), base, parser);
    }

    // alloc array for project compiler AND "no. of targets" times target compilers
    int nCompilers = 1 + project->GetBuildTargetsCount();
    Compiler** Compilers = new Compiler* [nCompilers];
    // Changed sizeof(Compiler*) to sizeof(Compiler) to avoid warning:Suspicious usage of 'sizeof(A*)'; pointer to aggregate
    //-memset(Compilers, 0, sizeof(Compiler*) * nCompilers);
    memset(Compilers, 0, sizeof(Compilers) * nCompilers);
    nCompilers = 0; // reset , use as insert index in the next for loop

    // get targets include dirs
    for (int i = 0; i < project->GetBuildTargetsCount(); ++i)
    {
        ProjectBuildTarget* target = project->GetBuildTarget(i);
        if (!target) continue;

        if (   !parser->Options().platformCheck
            || (parser->Options().platformCheck && target->SupportsCurrentPlatform()) )
        {
            // post-processed search dirs (from build scripts)
            if (compiler && generator)
                AddIncludeDirsToParser(generator->GetCompilerSearchDirs(target), base, parser);

            // apply target vars
            AddIncludeDirsToParser(target->GetIncludeDirs(), base, parser);

            // get the compiler
            wxString CompilerIndex = target->GetCompilerID();
            Compiler* tgtCompiler = CompilerFactory::GetCompiler(CompilerIndex);
            if (tgtCompiler)
            {
                Compilers[nCompilers] = tgtCompiler;
                ++nCompilers;
            }
        } // if (target)
    } // end loop over the targets

    // add the project compiler to the array of compilers
    if (compiler)
    {   // note it might be possible that this compiler is already in the list
        // no need to worry since the compiler list of the parser will filter out duplicate
        // entries in the include dir list
        Compilers[nCompilers++] = compiler;
    }

    // add compiler include dirs
    for (int idxCompiler = 0; idxCompiler < nCompilers; ++idxCompiler)
        AddCompilerIncludeDirsToParser(Compilers[idxCompiler], parser);

    if (!nCompilers)
        CCLogger::Get()->DebugLog(_T("ParseManager::AddCompilerDirs: No compilers found!"));

    delete [] Compilers;
    TRACE(_T("ParseManager::AddCompilerDirs: Leave"));
    return true;
}
// ----------------------------------------------------------------------------
void ParseManager::AddCompilerIncludeDirsToParser(const Compiler* compiler, Parser* parser)
// ----------------------------------------------------------------------------
{
    if (!compiler || !parser) return;

    if (   !parser->Options().platformCheck
        || (parser->Options().platformCheck && compiler->SupportsCurrentPlatform()) )
    {
        // these dirs were the user's compiler include search dirs
        AddIncludeDirsToParser(compiler->GetIncludeDirs(), wxEmptyString, parser);

        // find out which compiler, if gnu, do the special trick
        // to find it's internal include paths
        // but do only once per C::B session, thus cache for later calls
        if (compiler->GetID().Contains(_T("gcc")))
            AddGCCCompilerDirs(compiler->GetMasterPath(), compiler->GetPrograms().CPP, parser);
    }
}

// These dirs are the built-in search dirs of the compiler itself (GCC).
// Such as when you install your MinGW GCC in E:/code/MinGW/bin
// The built-in search dir may contain: E:/code/MinGW/include
// ----------------------------------------------------------------------------
const wxArrayString& ParseManager::GetGCCCompilerDirs(const wxString& cpp_path, const wxString& cpp_executable)
// ----------------------------------------------------------------------------
{
    wxString sep = (platform::windows ? _T("\\") : _T("/"));
    wxString cpp_compiler = cpp_path + sep + _T("bin") + sep + cpp_executable;
    Manager::Get()->GetMacrosManager()->ReplaceMacros(cpp_compiler);

    // keep the gcc compiler path's once if found across C::B session
    // makes opening workspaces a *lot* faster by avoiding endless calls to the compiler
    static std::map<wxString, wxArrayString> dirs;
    static wxArrayString cached_result; // avoid accessing "dirs" too often (re-entry)
    cached_result = dirs[cpp_compiler];
    if ( !cached_result.IsEmpty() )
        return cached_result;

    TRACE(_T("ParseManager::GetGCCCompilerDirs: Enter"));

    // for starters, only do this for gnu compiler
    //CCLogger::Get()->DebugLog(_T("CompilerID ") + CompilerID);
    //
    //   Windows: mingw32-g++ -v -E -x c++ nul
    //   Linux  : g++ -v -E -x c++ /dev/null
    // do the trick only for c++, not needed then for C (since this is a subset of C++)

    // Different command on Windows and other OSes
#ifdef __WXMSW__
    const wxString args(_T(" -v -E -x c++ nul"));
#else
    const wxString args(_T(" -v -E -x c++ /dev/null"));
#endif

    wxArrayString output, error;
    if ( not SafeExecute(cpp_path, cpp_executable, args, output, error) )
        return cached_result;

    // wxExecute can be a long action and C::B might have been shutdown in the meantime...
    if ( Manager::IsAppShuttingDown() )
        return cached_result;

    // start from "#include <...>", and the path followed
    // let's hope this does not change too quickly, otherwise we need
    // to adjust our search code (for several versions ...)
    bool start = false;
    for (size_t idxCount = 0; idxCount < error.GetCount(); ++idxCount)
    {
        wxString path = error[idxCount].Trim(true).Trim(false);
        if (!start)
        {
            if (!path.StartsWith(_T("#include <...>")))
                continue; // Next for-loop
            path = error[++idxCount].Trim(true).Trim(false);
            start = true;
        }

        wxFileName fname(path, wxString());
        //-fname.Normalize(); //Ticket #56 deprecated for wx3.2.0
        fname.Normalize(wxPATH_NORM_DOTS | wxPATH_NORM_TILDE | wxPATH_NORM_ABSOLUTE | wxPATH_NORM_LONG | wxPATH_NORM_SHORTCUT);

        fname.SetVolume(fname.GetVolume().MakeUpper());
        if (not fname.DirExists())
            break;

        dirs[cpp_compiler].Add(fname.GetPath());

        CCLogger::Get()->DebugLog(_T("ParseManager::GetGCCCompilerDirs: Caching GCC default include dir: ") + fname.GetPath());
    }

    TRACE(_T("ParseManager::GetGCCCompilerDirs: Leave"));
    return dirs[cpp_compiler];
}

void ParseManager::AddGCCCompilerDirs(const wxString& masterPath, const wxString& compilerCpp, Parser* parser)
{
    const wxArrayString& gccDirs = GetGCCCompilerDirs(masterPath, compilerCpp);
    TRACE(_T("ParseManager::AddGCCCompilerDirs: Adding %lu cached gcc dirs to parser..."), static_cast<unsigned long>(gccDirs.GetCount()));
    for (size_t i=0; i<gccDirs.GetCount(); ++i)
    {
        parser->AddIncludeDir(gccDirs[i]);
        TRACE(_T("ParseManager::AddGCCCompilerDirs: Adding cached compiler dir to parser: ") + gccDirs[i]);
    }
}

void ParseManager::AddIncludeDirsToParser(const wxArrayString& dirs, const wxString& base, Parser* parser)
{
    for (unsigned int i = 0; i < dirs.GetCount(); ++i)
    {
        wxString dir = dirs[i];
        Manager::Get()->GetMacrosManager()->ReplaceMacros(dir);
        if ( not base.IsEmpty() )
        {
            wxFileName fn(dir);
            if ( NormalizePath(fn, base) )
            {
                parser->AddIncludeDir(fn.GetFullPath());
                TRACE(_T("ParseManager::AddIncludeDirsToParser: Adding directory to parser: ") + fn.GetFullPath());
            }
            else
                CCLogger::Get()->DebugLog(wxString::Format(_T("ParseManager::AddIncludeDirsToParser: Error normalizing path: '%s' from '%s'"), dir.wx_str(), base.wx_str()));
        }
        else
            parser->AddIncludeDir(dir); // no base path, nothing to normalise
    }
}

// ----------------------------------------------------------------------------
bool ParseManager::SafeExecute(const wxString& app_path, const wxString& app, const wxString& args, wxArrayString& output, wxArrayString& error)
// ----------------------------------------------------------------------------
{
    wxString sep = (platform::windows ? _T("\\") : _T("/"));
    wxString pth = (app_path.IsEmpty() ? _T("") : (app_path + sep + _T("bin") + sep));
    Manager::Get()->GetMacrosManager()->ReplaceMacros(pth);
    wxString cmd = pth + app;
    Manager::Get()->GetMacrosManager()->ReplaceMacros(cmd);
//    CCLogger::Get()->DebugLog(_T("ParseManager::SafeExecute: Application command: ") + cmd + _T(", path (in): ") + app_path + _T(", path (set): ") + pth + _T(", args: ") + args);

    if ( !wxFileExists(cmd) )
    {
        CCLogger::Get()->DebugLog(_T("ParseManager::SafeExecute: Invalid application command: ") + cmd);
        return false;
    }

    static bool reentry = false;
    if (reentry)
    {
        CCLogger::Get()->DebugLog(_T("ParseManager::SafeExecute: Re-Entry protection."));
        return false;
    }
    reentry = true;

    // Update PATH environment variable
    wxString path_env;
    if ( !pth.IsEmpty() && wxGetEnv(_T("PATH"), &path_env) )
    {
        wxString tmp_path_env = pth + (platform::windows ? _T(";") : _T(":")) + path_env;
        if ( !wxSetEnv(_T("PATH"), tmp_path_env) )
        {   CCLogger::Get()->DebugLog(_T("ParseManager::SafeExecute: Could not set PATH environment variable: ") + tmp_path_env); }
    }

    if ( wxExecute(cmd + args, output, error, wxEXEC_SYNC | wxEXEC_NODISABLE) == -1 )
    {
        CCLogger::Get()->DebugLog(_T("ParseManager::SafeExecute: Failed application call: ") + cmd + args);
        reentry = false;
        return false;
    }

    if ( !pth.IsEmpty() && !wxSetEnv(_T("PATH"), path_env) )
    {   CCLogger::Get()->DebugLog(_T("ParseManager::SafeExecute: Could not restore PATH environment variable: ") + path_env); }

    reentry = false;

    return true;
}
// ----------------------------------------------------------------------------
void ParseManager::OnEditorActivated(EditorBase* editor)
// ----------------------------------------------------------------------------
{
    cbEditor* curEditor = Manager::Get()->GetEditorManager()->GetBuiltinEditor(editor);
    if (!curEditor)
        return;

    const wxString& activatedFile = editor->GetFilename();
    if ( !wxFile::Exists(activatedFile) )
        return;

    cbProject* project = GetProjectByEditor(curEditor);
    const int pos = m_StandaloneFiles.Index(activatedFile);
    if (project && pos != wxNOT_FOUND)
    {
        m_StandaloneFiles.RemoveAt(pos);
        if (m_StandaloneFiles.IsEmpty())
            DeleteParser(nullptr);
        else
            RemoveFileFromParser(NULL, activatedFile);
    }

    Parser* parser = GetParserByProject(project);
    if (!parser)
    {
        ParserCommon::EFileType ft = ParserCommon::FileType(activatedFile);
        if (ft != ParserCommon::ftOther && (parser = CreateParser(project)))
        {
            if (!project && AddFileToParser(project, activatedFile, parser) )
            {
                wxFileName file(activatedFile);
                parser->AddIncludeDir(file.GetPath());
                m_StandaloneFiles.Add(activatedFile);
            }
        }
        else
            parser = m_TempParser;
    }
    else if (!project)
    {
        if (   !parser->IsFileParsed(activatedFile)
            && m_StandaloneFiles.Index(activatedFile) == wxNOT_FOUND
            && AddFileToParser(project, activatedFile, parser) )
        {
            wxFileName file(activatedFile);
            parser->AddIncludeDir(file.GetPath());
            m_StandaloneFiles.Add(activatedFile);
        }
    }

    if (parser != m_ActiveParser)
    {
        CCLogger::Get()->DebugLog(_T("Start switch from OnEditorActivatedTimer"));
        SwitchParser(project, parser); // Calls SetParser() which also calls UpdateClassBrowserView()
    }

    if (m_ClassBrowser)
    {
        if (m_ActiveParser->ClassBrowserOptions().displayFilter == bdfFile)
        {
            s_ClassBrowserCaller = wxString::Format("%s:%d",__FUNCTION__, __LINE__);
            m_ClassBrowser->UpdateClassBrowserView(true); // check header and implementation file swap
        }
        else if (   m_ParserPerWorkspace // project view only available in case of one parser per WS //m_ParserPerWorkspace always false for clangd
                 && m_ActiveParser->ClassBrowserOptions().displayFilter == bdfProject)
        {
            s_ClassBrowserCaller = wxString::Format("%s:%d",__FUNCTION__, __LINE__);
            m_ClassBrowser->UpdateClassBrowserView();
        }
    }
}
// ----------------------------------------------------------------------------
void ParseManager::OnEditorClosed(EditorBase* editor)
// ----------------------------------------------------------------------------
{
    // the caller of the function should guarantee its a built-in editor
    wxString filename = editor->GetFilename();
    const int pos = m_StandaloneFiles.Index(filename); // not used by clangd_client
    if (pos != wxNOT_FOUND)
    {
        m_StandaloneFiles.RemoveAt(pos);
        if (m_StandaloneFiles.IsEmpty())
            DeleteParser(nullptr);
        else
            RemoveFileFromParser(NULL, filename);
    }

    // Remove the file from ~ProxyProject~
    cbProject* pProxyProject = GetProxyProject();
    if (pProxyProject and pProxyProject->GetFileByFilename(filename,false))
    {
        ProjectFile* pProjectFile = pProxyProject->GetFileByFilename(filename,false);
        if (pProjectFile)
        {
            pProxyProject->RemoveFile(pProjectFile);
            pProxyProject->SetModified(false);
        }
    }
}

// ----------------------------------------------------------------------------
void ParseManager::InitCCSearchVariables()
// ----------------------------------------------------------------------------
{
    m_LastControl       = nullptr;
    m_LastFunctionIndex = -1;
    m_LastLine          = -1;
    m_LastResult        = -1;
    m_LastFile.Clear();
    m_LastNamespace.Clear();
    m_LastPROC.Clear();

    Reset();
}
// ----------------------------------------------------------------------------
bool ParseManager::InstallClangdProxyProject()
// ----------------------------------------------------------------------------
{
    //#include <wx/fs_zip.h>
    //#include <wx/zipstrm.h>
    //#include <wx/wfstream.h>
    //#include <wx/stdpaths.h> //if needed

    wxString userDataFolder   = ConfigManager::GetConfigFolder(); //appdata/roaming/codeblocks
    wxString resourceFolder   = ConfigManager::GetDataFolder(); //share/codeblocks
    wxString resourceZipFile = resourceFolder + "/clangd_client.zip";
    wxFileSystem::AddHandler(new wxZipFSHandler);

    bool done = true;

    // Fix 1.2.64 23/03/14 Remove "<Extensions>" from the proxproject.cbp to avoid
    // CB issuing the LoadHook calls and confusing other plugins (like wxSmith).
    if (wxFileExists(userDataFolder + "/CC_ProxyProject.cbp"))
        wxRemove(userDataFolder + "/CC_ProxyProject.cbp");

    if (not wxFileExists(userDataFolder + "/CC_ProxyProject.cbp"))
    {
        done = false;
        wxFileSystem fs;
        wxFSFile* zip = fs.OpenFile(resourceZipFile + "#zip:CC_ProxyProject.cbp");
        if(zip != NULL)
        {
          wxInputStream* in = zip->GetStream();
          if ( in != NULL )
          {
            wxFileOutputStream out( userDataFolder + "/CC_ProxyProject.cbp" );
            out.Write(*in);
            out.Close();
            done = true;
          }
          delete zip;
        }
    }
    return done;
}
// ----------------------------------------------------------------------------
void ParseManager::SetProxyProject(cbProject* pActiveProject)
// ----------------------------------------------------------------------------
{
    // This proxy (temp) cbProject is used to handle non-project
    // files sent to clangd. This hidden project may contain the
    // compiler info needed for clangd to parse a file.
    // We'll add all opened non-project files to this proxy.
    // This allows us to manage non-project files without mangling the active cbProject.

    wxString msg = "Creating ProxyProject/client/Parser for non-project files.";
    CCLogger::Get()->DebugLog(msg);

    if (not m_pProxyProject)
    {
        Manager::Get()->GetLogManager()->Log("ClangdClient: allocating ProxyProject (phase 1).");
        // configure an error msg just in case...
        wxString configFolder = ConfigManager::GetConfigFolder();
        msg.Clear();
        msg = "CodeCompletion parser failed to install the proxy project\n";
        msg << "that handles non-project files. Either " << configFolder;
        msg << "\nis missing or share/codeblocks/clangd_client.zip is misconfigured";

        bool ok = InstallClangdProxyProject();
        if (not ok)
        {
            msg << "\n Install of CC_ProxyProject.cbp failed.";
            cbMessageBox(msg, "Clangd_client Error");
            return;
        }

        // Creation of a hidden cbProject must be done in the following sequence in
        // order not to screw up the event expectations of current plugns.
        // 1) Allocate a new raw cbProject.
        // 2) Load an empty project to clear plugin event expectations.
        // 3) Copy the loaded cbProject into the raw cbProject.
        // 4) Close the loaded project to satisfy plugin expectation.
        ProjectManager* pPrjMgr = Manager::Get()->GetProjectManager();
        m_pProxyProject = new cbProject(configFolder + "/CC_ProxyProject.cbp");
        if (m_pProxyProject)
        {
            Manager::Get()->GetLogManager()->Log("ClangdClient: loading ProxyProject (phase 2.");
            m_pProxyProject->SetNotifications(false);
            // Freeze the editor window so it doesn't flash on project load/close
            Manager::Get()->GetEditorManager()->GetNotebook()->Freeze();
            // open an empty project to get CB to build all the internal project structures
            cbProject* pLoadedEmptyProject = pPrjMgr->LoadProject(configFolder + "/CC_ProxyProject.cbp", false);
            // copy all CB internal structures to the hidden proxy project. Then close the loaded project
            //  now that we have all the internal structures copied into the created hidden cbProject.
            m_pProxyProject = &(m_pProxyProject->cbProject::operator=(*pLoadedEmptyProject));
            pPrjMgr->CloseProject(pLoadedEmptyProject, true, false); //nosave,norefresh
            Manager::Get()->GetEditorManager()->GetNotebook()->Thaw();
        }
        if (not m_pProxyProject)
        {
            msg << "Allocation of new cbProject proxy (ProxyProject) failed in ";
            msg  << wxString::Format("%s", __FUNCTION__);
            cbMessageBox(msg, "Clangd_client Error");
            return;
        }
        // Remove the created hidden "untitled" proxy project from the workspace/project tree.
        // so CB has nothing to save or report about.
        pPrjMgr->GetUI().RemoveProject(m_pProxyProject);
        // Say workspace is not modified
        pPrjMgr->GetWorkspace()->SetModified(false);
    }

    m_pProxyProject->SetTitle("~ProxyProject~");
    // Don't allow the ProyProject to issue events. It's not a full blown cbProject.
    // We do not want to confuse other plugins with a hidden project.
    m_pProxyProject->SetNotifications(false);
    // Set the proxy project into the list of parser->projects
    //This is what happens: m_ParserList.push_back(std::make_pair(m_pProxyProject, pProxyParser));
    // ProxyProject will now look like a regular cbProject to the parsers and clangd_client.
    // We'll be able to add and remove non-project files to the hidden cbProject.
    Parser* pProxyParser = CreateParser(m_pProxyProject, false);

    if (pProxyParser) m_pProxyParser = pProxyParser;

    m_pProxyProject->SetCheckForExternallyModifiedFiles(false);
    // Remove the 'default' ProxyProject target if we have an active project clone from.
    if (pActiveProject && m_pProxyProject->GetBuildTargetsCount())
        m_pProxyProject->RemoveBuildTarget(0);

    // If we have a good pattern to copy from, use it.
    if (pActiveProject)
    {   // Set info usable to create a compile command
        m_pProxyProject->SetIncludeDirs(pActiveProject->GetIncludeDirs());
        m_pProxyProject->SetCompilerID(pActiveProject->GetCompilerID());
        m_pProxyProject->SetCompilerOptions(pActiveProject->GetCompilerOptions());
    }
    m_pProxyProject->SetModified(false);

    // Remove any cloned targets from the ProxyProject to avoid possible double deletes
    if (pActiveProject)
        for (int ii=0; ii<m_pProxyProject->GetBuildTargetsCount(); ++ii)
            m_pProxyProject->RemoveBuildTarget(ii);

    // Add active project targets to ProxyProject (usable for clangd compile commands)
    if (pActiveProject)
        for (int ii=0; ii<pActiveProject->GetBuildTargetsCount(); ++ii)
        {
            ProjectBuildTarget* pBuildTarget = pActiveProject->GetBuildTarget(ii);
            ProjectBuildTarget* pNewpbt = m_pProxyProject->AddBuildTarget(pBuildTarget->GetTitle());
            // compilerTargetBase
            pNewpbt->SetTargetType(pBuildTarget->GetTargetType());
            pNewpbt->SetWorkingDir(pBuildTarget->GetWorkingDir());
            pNewpbt->SetObjectOutput(pBuildTarget->GetObjectOutput());
            pNewpbt->SetTargetType(pBuildTarget->GetTargetType());
            pNewpbt->SetCompilerID(pBuildTarget->GetCompilerID());
            //CompileOptionsBase
            pNewpbt->SetPlatforms(pBuildTarget->GetPlatforms());
            pNewpbt->SetCompilerOptions(pBuildTarget->GetCompilerOptions());
            pNewpbt->SetLinkerOptions(pBuildTarget->GetLinkerOptions());
            pNewpbt->SetIncludeDirs(pBuildTarget->GetIncludeDirs());
        }//endif for

    m_pProxyProject->SetModified(false); // changed? say it ain't so.
    return;
}
// ----------------------------------------------------------------------------
void ParseManager::SetPluginIsShuttingDown()
// ----------------------------------------------------------------------------
{
    m_PluginIsShuttingDown = true;

    ParserList::iterator parserList_it = m_ParserList.begin();
    for (; parserList_it != m_ParserList.end(); ++parserList_it)
    {
        Parser* pParser = parserList_it->second;
        if (pParser and pParser->GetIdleCallbackHandler())
            pParser->GetIdleCallbackHandler()->SetPluginIsShuttingDown();
    }
}
// Get pointer to Idle callbacks
// ----------------------------------------------------------------------------
IdleCallbackHandler* ParseManager::GetIdleCallbackHandler(cbProject* pProject)
// ----------------------------------------------------------------------------
{
    cbAssertNonFatal(pProject && "pProject is null");
    Parser* pParser = pProject ? GetParserByProject(pProject) : nullptr;
    cbAssertNonFatal(pParser && "Project has no pParser");
    if ((not pProject ) or (not pParser))
        return nullptr;
    return pParser->GetIdleCallbackHandler();
}
// ----------------------------------------------------------------------------
void ParseManager::ClearAllIdleCallbacks()
// ----------------------------------------------------------------------------
{
    // clear any Idle time callbacks
    if (m_ParserList.size())
    {
        ParserList::iterator parserList_it = m_ParserList.begin();
        for (; parserList_it != m_ParserList.end(); ++parserList_it)
        {
            Parser* pParser = parserList_it->second;
            if (pParser and pParser->GetIdleCallbackHandler())
                pParser->GetIdleCallbackHandler()->ClearIdleCallbacks();
        }
    }
}
// ----------------------------------------------------------------------------
bool ParseManager::GetUseCCIconsOption()
// ----------------------------------------------------------------------------
{
    ConfigManager* cfg = Manager::Get()->GetConfigManager("clangd_client");
    bool useIcons = cfg->ReadBool("/useCompletionIcons_Check", false);
    return useIcons;
}
// ----------------------------------------------------------------------------
bool ParseManager::DoShowDiagnostics(wxString filename, int line)  //(Christo 2024/03/30)
// ----------------------------------------------------------------------------
{
    typedef std::vector<std::pair<int, wxString>> InnerMap_t;
    bool ret = false;
    wxString diagnostics;

    { // <== codeblock == to contain mutex lock
        std::lock_guard<std::mutex> lock(m_diagnosticsCacheMutex);
        DiagnosticsCache_t::const_iterator itr = m_diagnosticsCache.find(filename);
        if (itr != m_diagnosticsCache.end())
        {
            const InnerMap_t& innermap = itr->second;
            for (InnerMap_t::const_iterator it = innermap.begin(); it != innermap.end(); ++it)
            {
                if (it->first == line)
                {
                    diagnostics = it->second;
                    ret = true;
                    break;
                }
            }
        }
    } // <== end codeblock == releases mutex lock

    if (ret)
    {
        if (not (diagnostics.Contains("(fix available)") or (diagnostics.Contains("(fixes available)"))))
        {
            cbMessageBox(diagnostics, _("LSP Diagnostics"));
        }
        else
        {
            int answer = wxMessageBox( diagnostics + "\nApply Fix?", wxT("LSP Diagnostics"), wxYES_DEFAULT|wxYES_NO);
            if (answer == wxYES)
            {
                const int idRequestCodeActionAppy = XRCID("idRequestCodeActionApply");
                wxCommandEvent evt(wxEVT_COMMAND_MENU_SELECTED, idRequestCodeActionAppy);
                evt.SetString(filename + "|" + wxString::Format(wxT("%i"),line +1) +"|"+ diagnostics);
                Manager::Get()->GetAppFrame()->GetEventHandler()->AddPendingEvent(evt);
            }
        }
    }
    return ret;
}

// ----------------------------------------------------------------------------
void ParseManager::InsertDiagnostics(wxString filename, std::vector<std::pair<int, wxString>> diagnostics)  //(Christo 2024/03/30)
// ----------------------------------------------------------------------------
{
    std::lock_guard < std::mutex > lock(m_diagnosticsCacheMutex);
    m_diagnosticsCache[filename] = diagnostics;
}

// ----------------------------------------------------------------------------
bool ParseManager::HasDiagnostics(wxString filename)
// ----------------------------------------------------------------------------
{
    std::lock_guard < std::mutex > lock(m_diagnosticsCacheMutex);
    const auto &itr = m_diagnosticsCache.find(filename);
    if (itr != m_diagnosticsCache.end())
    {
        return true;
    }
    return false;
}
// ----------------------------------------------------------------------------
void ParseManager::ClearDiagnostics(wxString filename)  //(Christo 2024/03/30)
// ----------------------------------------------------------------------------
{
    std::lock_guard < std::mutex > lock(m_diagnosticsCacheMutex);
    wxString ret;
    const auto &itr = m_diagnosticsCache.find(filename);
    if (itr != m_diagnosticsCache.end())
    {
        m_diagnosticsCache.erase(itr);
    }
}
// ----------------------------------------------------------------------------
std::unordered_map<cbProject*,ParserBase*> * ParseManager::GetActiveParsers()  //(svn 13612 bkport)
// ----------------------------------------------------------------------------
{
 // First, clear the contents of m_ActiveParserList
    m_ActiveParserList.clear();

    // Then, copy the contents of m_ParserList to m_ActiveParserList
    for (const auto& pair : m_ParserList)
    {
        // Don't count the ProxyProjec
        cbProject* pProject = pair.first;
        if (pProject and (pProject->GetTitle() == "~ProxyProject~")) continue;
        m_ActiveParserList.insert(pair);
    }

    return &m_ActiveParserList;
}
// ----------------------------------------------------------------------------
wxString ParseManager::GetConfigListSelection()
// ----------------------------------------------------------------------------
{
    wxString activePageTitle;
    // Get the title of the currently active/focused configuration page
    wxWindow* pTopWindow = wxFindWindowByName(_("Configure editor"));
    if (not pTopWindow)
        pTopWindow = m_pClientEventHandler->GetTopWxWindow();
    if (pTopWindow)
    {
        wxListbook* lb = XRCCTRL(*pTopWindow, "nbMain", wxListbook);
        wxWindow* page = lb ? lb->GetCurrentPage() : nullptr;
        int pageID = page ? lb->FindPage(page) : 0;
        activePageTitle = lb ? lb->GetPageText(pageID) : wxString();
    }
    return activePageTitle;

}
