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nativeparser.h

/*
 * 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
 */

#ifndef NATIVEPARSER_H
#define NATIVEPARSER_H

#include "parser/parser.h"

#include <queue>
#include <map>

#include <wx/event.h>
#include <wx/hashmap.h> // TODO: replace with std::map

extern bool s_DebugSmartSense;

// forward decls
class cbEditor;
class EditorBase;
class cbProject;
class ClassBrowser;
class Token;

WX_DECLARE_HASH_MAP(cbProject*, Parser*, wxPointerHash, wxPointerEqual, ParsersMap);
WX_DECLARE_HASH_MAP(cbProject*, wxString, wxPointerHash, wxPointerEqual, ParsersFilenameMap);

typedef std::map<cbProject*, wxArrayString> ProjectSearchDirsMap;

enum ParserTokenType
{
    pttSearchText = 0,
    pttClass,
    pttNamespace,
    pttFunction
};

enum BrowserViewMode
{
    bvmRaw = 0,
    bvmInheritance
};

00045 struct ParserComponent
{
    wxString component;
    ParserTokenType token_type;
};

00051 class NativeParser : public wxEvtHandler
{
    public:
        NativeParser();
        ~NativeParser();

        Parser* GetParserPtr() { return &m_Parser; };
        void AddParser(cbProject* project, bool useCache = true);
        void RemoveParser(cbProject* project, bool useCache = true);
        void ClearParsers();
        void RereadParserOptions();
        void AddFileToParser(cbProject* project, const wxString& filename);
        void RemoveFileFromParser(cbProject* project, const wxString& filename);
        void ReparseProject(cbProject* project);
        void ForceReparseActiveProject();

        size_t MarkItemsByAI(TokenIdxSet& result, bool reallyUseAI = true, bool noPartialMatch = false, bool caseSensitive = false, int caretPos = -1);

        const wxString& GetCodeCompletionItems();
        void GetCallTipHighlight(const wxString& calltip, int* start, int* end);
        int CountCommas(const wxString& calltip, int start);
        const wxArrayString& GetCallTips(int chars_per_line);
        int GetCallTipCommas() const { return m_CallTipCommas; }

        int GetEditorStartWord() const { return m_EditorStartWord; }
        int GetEditorEndWord() const { return m_EditorEndWord; }

        wxArrayString& GetProjectSearchDirs(cbProject* project);

        // returns the editor's position where the current function starts
        // optionally, returns the function's namespace (ends in double-colon ::) and name
        int FindCurrentFunctionStart(cbEditor* editor, wxString* nameSpace = 0L, wxString* procName = 0L, int caretPos = -1);
        // fills the result argument with all the tokens matching the current function (hopefully, just one)
        size_t FindCurrentFunctionToken(cbEditor* editor, TokenIdxSet& result, int caretPos = -1);

        ClassBrowser* GetClassBrowser() const { return m_pClassBrowser; }
        void CreateClassBrowser();
        void RemoveClassBrowser(bool appShutDown = false);
        void UpdateClassBrowser();
        void SetClassBrowserProject(cbProject* project);
        void SetCBViewMode(const BrowserViewMode& mode);

        void OnProjectLoadingHook(cbProject* project, TiXmlElement* elem, bool loading);
    protected:
    private:
        friend class CodeCompletion;
        size_t AI(TokenIdxSet& result, cbEditor* editor, const wxString& lineText = wxEmptyString, bool noPartialMatch = false, bool caseSensitive = false, TokenIdxSet* search_scope = 0, int caretPos = -1);

        size_t FindAIMatches(std::queue<ParserComponent> components, TokenIdxSet& result, int parentTokenIdx = -1, bool noPartialMatch = false, bool caseSensitive = false, bool use_inheritance = true, short int kindMask = 0xFFFF, TokenIdxSet* search_scope = 0);
        size_t BreakUpComponents(const wxString& actual, std::queue<ParserComponent>& components);
        bool BelongsToParentOrItsAncestors(TokensTree* tree, Token* token, int parentIdx, bool use_inheritance = true);
        size_t GenerateResultSet(TokensTree* tree, const wxString& search, int parentIdx, TokenIdxSet& result, bool caseSens = true, bool isPrefix = false, short int kindMask = 0xFFFF);
        size_t GenerateResultSet(const wxString& search, int parentIdx, TokenIdxSet& result, bool caseSens = true, bool isPrefix = false, short int kindMask = 0xFFFF);
        bool LastAISearchWasGlobal() const { return m_LastAISearchWasGlobal; }
        const wxString& LastAIGlobalSearch() const { return m_LastAIGlobalSearch; }

        bool ParseUsingNamespace(cbEditor* ed, TokenIdxSet& search_scope, int caretPos = -1);
        bool ParseFunctionArguments(cbEditor* ed, int caretPos = -1);
        bool ParseLocalBlock(cbEditor* ed, int caretPos = -1); // parses from the start of function up to the cursor

        unsigned int FindCCTokenStart(const wxString& line);
        wxString GetNextCCToken(const wxString& line, unsigned int& startAt, bool& is_function);
        wxString GetCCToken(wxString& line, ParserTokenType& tokenType);
        void BreakUpInLines(wxString& str, const wxString& original_str, int chars_per_line = -1);
        void AddCompilerDirs(cbProject* project);
        wxArrayString GetGCCCompilerDirs(const wxString &cpp_compiler, const wxString &base);
        bool LoadCachedData(cbProject* project);
        bool SaveCachedData(const wxString& projectFilename);
        void DisplayStatus();
        void OnThreadStart(wxCommandEvent& event);
        void OnThreadEnd(wxCommandEvent& event);
        void OnParserEnd(wxCommandEvent& event);
        void OnEditorActivated(EditorBase* editor);

        bool SkipWhitespaceForward(cbEditor* editor, int& pos);
        bool SkipWhitespaceBackward(cbEditor* editor, int& pos);

        Parser               m_Parser;
        int                  m_EditorStartWord;
        int                  m_EditorEndWord;
        wxString             m_CCItems;
        wxArrayString        m_CallTips;
        int                  m_CallTipCommas;
        ClassBrowser*        m_pClassBrowser;
        bool                 m_GettingCalltips; // flag while getting calltips
        bool                 m_ClassBrowserIsFloating;

        bool                 m_LastAISearchWasGlobal; // true if the phrase for code-completion is empty or partial text (i.e. no . -> or :: operators)
        wxString             m_LastAIGlobalSearch; // same case like above, it holds the search string

        ProjectSearchDirsMap m_ProjectSearchDirsMap;
        int                  m_HookId; // project loader hook ID

        DECLARE_EVENT_TABLE()
};

#endif // NATIVEPARSER_H


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