cppcheck/lib/settings.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
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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/>.
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*/
#include "settings.h"
#include "path.h"
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#include <algorithm>
#include <fstream>
#include <sstream>
#include <stdexcept>
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#include <iostream>
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#include <cctype> // std::isdigit, std::isalnum, etc
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#include <set>
#include <stack>
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Settings::Settings()
{
debug = debugwarnings = false;
debugFalsePositive = false;
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_errorsOnly = false;
_inlineSuppressions = false;
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_verbose = false;
_force = false;
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_xml = false;
_xml_version = 1;
_jobs = 1;
_exitCode = 0;
_showtime = 0; // TODO: use enum
_append = "";
_terminate = false;
inconclusive = false;
experimental = false;
test_2_pass = false;
reportProgress = false;
ifcfg = false;
checkConfiguration = false;
c99 = false;
posix = false;
// This assumes the code you are checking is for the same architecture this is compiled on.
#if defined(_WIN64)
platform(Win64);
#elif defined(_WIN32)
platform(Win32A);
#else
platform(Unspecified);
#endif
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}
std::string Settings::addEnabled(const std::string &str)
{
// Enable parameters may be comma separated...
if (str.find(",") != std::string::npos)
{
std::string::size_type prevPos = 0;
std::string::size_type pos = 0;
while ((pos = str.find(",", pos)) != std::string::npos)
{
if (pos == prevPos)
return std::string("cppcheck: --enable parameter is empty");
const std::string errmsg(addEnabled(str.substr(prevPos, pos - prevPos)));
if (!errmsg.empty())
return errmsg;
++pos;
prevPos = pos;
}
if (prevPos >= str.length())
return std::string("cppcheck: --enable parameter is empty");
return addEnabled(str.substr(prevPos));
}
bool handled = false;
std::set<std::string> id;
id.insert("style");
id.insert("performance");
id.insert("portability");
id.insert("information");
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id.insert("missingInclude");
id.insert("unusedFunction");
if (str == "all")
{
std::set<std::string>::const_iterator it;
for (it = id.begin(); it != id.end(); ++it)
_enabled.insert(*it);
}
else if (id.find(str) != id.end())
{
_enabled.insert(str);
}
else if (!handled)
{
if (str.empty())
return std::string("cppcheck: --enable parameter is empty");
else
return std::string("cppcheck: there is no --enable parameter with the name '" + str + "'");
}
return std::string("");
}
bool Settings::isEnabled(const std::string &str) const
{
return bool(_enabled.find(str) != _enabled.end());
}
void Settings::append(const std::string &filename)
{
_append = "\n";
std::ifstream fin(filename.c_str());
std::string line;
while (std::getline(fin, line))
{
_append += line + "\n";
}
}
std::string Settings::append() const
{
return _append;
}
bool Settings::platform(PlatformType type)
{
switch (type)
{
case Unspecified: // same as system this code was compile on
platformType = type;
sizeof_bool = sizeof(bool);
sizeof_short = sizeof(short);
sizeof_int = sizeof(int);
sizeof_long = sizeof(long);
sizeof_long_long = sizeof(long long);
sizeof_float = sizeof(float);
sizeof_double = sizeof(double);
sizeof_long_double = sizeof(long double);
sizeof_size_t = sizeof(size_t);
sizeof_pointer = sizeof(void *);
return true;
case Win32W:
case Win32A:
platformType = type;
sizeof_bool = 1; // 4 in Visual C++ 4.2
sizeof_short = 2;
sizeof_int = 4;
sizeof_long = 4;
sizeof_long_long = 8;
sizeof_float = 4;
sizeof_double = 8;
sizeof_long_double = 8;
sizeof_size_t = 4;
sizeof_pointer = 4;
return true;
case Win64:
platformType = type;
sizeof_bool = 1;
sizeof_short = 2;
sizeof_int = 4;
sizeof_long = 4;
sizeof_long_long = 8;
sizeof_float = 4;
sizeof_double = 8;
sizeof_long_double = 8;
sizeof_size_t = 8;
sizeof_pointer = 8;
return true;
case Unix32:
platformType = type;
sizeof_bool = 1;
sizeof_short = 2;
sizeof_int = 4;
sizeof_long = 4;
sizeof_long_long = 8;
sizeof_float = 4;
sizeof_double = 8;
sizeof_long_double = 12;
sizeof_size_t = 4;
sizeof_pointer = 4;
return true;
case Unix64:
platformType = type;
sizeof_bool = 1;
sizeof_short = 2;
sizeof_int = 4;
sizeof_long = 8;
sizeof_long_long = 8;
sizeof_float = 4;
sizeof_double = 8;
sizeof_long_double = 16;
sizeof_size_t = 8;
sizeof_pointer = 8;
return true;
}
// unsupported platform
return false;
}
bool Settings::platformFile(const std::string &filename)
{
(void)filename;
/** @todo TBD */
return false;
}