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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// Copyright : (C) 2015 Eran Ifrah
// File name : CxxPreProcessorScanner.h
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#ifndef CXXPREPROCESSORSCANNER_H
#define CXXPREPROCESSORSCANNER_H
#include "CxxLexerAPI.h"
#include "codelite_exports.h"
#include <list>
#include <unordered_set>
#include <wx/sharedptr.h>
#include <wx/string.h>
class CxxPreProcessor;
class WXDLLIMPEXP_CL CxxPreProcessorScanner
{
protected:
Scanner_t m_scanner;
wxFileName m_filename;
size_t m_options;
std::unordered_set<wxString>& m_visitedFiles;
public:
typedef wxSharedPtr<CxxPreProcessorScanner> Ptr_t;
private:
/**
* @brief run the scanner until we reach the closing #endif
* directive
* Note that this function consumes the 'endif' directive
*/
bool ConsumeBlock();
/**
* @brief run the scanner until it reaches the next pre processor branch
* or until it finds the closing #endif directive
* Note that this function also consumes the directive 'endif'
* but will _not_ consume the elif/else directives
*/
bool ConsumeCurrentBranch();
/**
* @brief read the next token that matches 'type'
* If we reached the end of the 'PreProcessor' state and there is no match
* throw an exception
*/
void ReadUntilMatch(int type, CxxLexerToken& token);
void GetRestOfPPLine(wxString& rest, bool collectNumberOnly = false);
bool CheckIfDefined(const CxxPreProcessorToken::Map_t& table);
bool CheckIf(const CxxPreProcessorToken::Map_t& table);
bool IsTokenExists(const CxxPreProcessorToken::Map_t& table, const CxxLexerToken& token);
public:
CxxPreProcessorScanner(const wxFileName& file, size_t options, std::unordered_set<wxString>& visitedFiles);
/**
* @brief return true if we got a valid scanner
*/
bool IsNull() const
{
return m_scanner == NULL;
;
}
virtual ~CxxPreProcessorScanner();
/**
* @brief the main parsing function
* @param ppTable
*/
void Parse(CxxPreProcessor* pp);
};
#endif // CXXPREPROCESSORSCANNER_H
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