cppcheck/preprocessor.h

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/*
* cppcheck - c/c++ syntax checking
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* Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam
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*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/
*/
//---------------------------------------------------------------------------
#ifndef preprocessorH
#define preprocessorH
//---------------------------------------------------------------------------
#include <map>
#include <istream>
#include <string>
#include <list>
class Preprocessor
{
public:
Preprocessor();
/**
* Extract the code for each configuration
* \param istr The (file/string) stream to read from.
* \param result The map that will get the results
*/
void preprocess(std::istream &istr, std::map<std::string, std::string> &result);
/**
* Extract the code for each configuration. Use this with getcode() to get the
* file data for each individual configuration.
*
* @param istr The (file/string) stream to read from.
* @param processedFile Give reference to empty string as a parameter,
* function will fill processed file here. Use this also as a filedata parameter
* to getcode() if you recieved more than once configurations.
* @param resultConfigurations List of configurations. Pass these one by one
* to getcode() with processedFile.
*/
void preprocess(std::istream &istr, std::string &processedFile, std::list<std::string> &resultConfigurations );
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/** Just read the code into a string. Perform simple cleanup of the code */
std::string read(std::istream &istr);
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/**
* Get preprocessed code for a given configuration
*/
static std::string getcode(const std::string &filedata, std::string cfg);
#ifndef UNIT_TESTING
private:
#endif
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/**
* Remove space that has new line character on left or right side of it.
*
* @param str The string to be converted
* @return The string where space characters have been removed.
*/
static std::string removeSpaceNearNL( const std::string &str );
/**
* Replace "#if defined" with "#ifdef" where possible
*
* @param str The string to be converted
* @return The replaced string
*/
static std::string replaceIfDefined( const std::string &str );
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/**
* Get all possible configurations. By looking at the ifdefs and ifndefs in filedata
*/
std::list<std::string> getcfgs( const std::string &filedata );
static std::string getdef(std::string line, bool def);
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static bool match_cfg_def( std::string cfg, const std::string &def );
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};
//---------------------------------------------------------------------------
#endif