cppcheck/test/helpers.h

112 lines
3.1 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2023 Cppcheck team.
*
* 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 helpersH
#define helpersH
#include "color.h"
#include "errorlogger.h"
#include "settings.h"
#include "suppressions.h"
#include "tokenize.h"
#include "tokenlist.h"
#include <fstream> // IWYU pragma: keep
#include <list>
#include <sstream> // IWYU pragma: keep
#include <string>
class Token;
class Processor;
class givenACodeSampleToTokenize {
private:
Tokenizer tokenizer;
static const Settings settings;
public:
explicit givenACodeSampleToTokenize(const char sample[], bool createOnly = false, bool cpp = true)
: tokenizer(&settings, nullptr) {
std::istringstream iss(sample);
if (createOnly)
tokenizer.list.createTokens(iss, cpp ? "test.cpp" : "test.c");
else
tokenizer.tokenize(iss, cpp ? "test.cpp" : "test.c");
}
const Token* tokens() const {
return tokenizer.tokens();
}
};
class SimpleSuppressor : public ErrorLogger {
public:
SimpleSuppressor(Settings &settings, ErrorLogger *next)
: settings(settings), next(next) {}
void reportOut(const std::string &outmsg, Color /*c*/ = Color::Reset) override {
next->reportOut(outmsg);
}
void reportErr(const ErrorMessage &msg) override {
if (!msg.callStack.empty() && !settings.nomsg.isSuppressed(msg))
next->reportErr(msg);
}
private:
Settings &settings;
ErrorLogger *next;
};
class ScopedFile {
public:
ScopedFile(std::string name, const std::string &content, std::string path = "");
~ScopedFile();
const std::string& path() const
{
return mFullPath;
}
ScopedFile(const ScopedFile&) = delete;
ScopedFile(ScopedFile&&) = delete;
ScopedFile& operator=(const ScopedFile&) = delete;
ScopedFile& operator=(ScopedFile&&) = delete;
private:
const std::string mName;
const std::string mPath;
const std::string mFullPath;
};
class PreprocessorHelper
{
public:
/**
* Get preprocessed code for a given configuration
*
* Note: for testing only.
*
* @param filedata file data including preprocessing 'if', 'define', etc
* @param cfg configuration to read out
* @param filename name of source file
* @param inlineSuppression the inline suppressions
*/
static std::string getcode(Preprocessor &preprocessor, const std::string &filedata, const std::string &cfg, const std::string &filename, Suppressions *inlineSuppression = nullptr);
};
#endif // helpersH