324 lines
10 KiB
C++
324 lines
10 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2016 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "settings.h"
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#include "preprocessor.h" // Preprocessor
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#include "utils.h"
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#include "tinyxml2.h"
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#include <fstream>
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#include <set>
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Settings::Settings()
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: _terminated(false),
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debug(false),
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debugnormal(false),
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debugwarnings(false),
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dump(false),
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exceptionHandling(false),
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inconclusive(false),
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jointSuppressionReport(false),
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experimental(false),
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quiet(false),
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inlineSuppressions(false),
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verbose(false),
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force(false),
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relativePaths(false),
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xml(false), xml_version(1),
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jobs(1),
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loadAverage(0),
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exitCode(0),
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showtime(SHOWTIME_NONE),
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preprocessOnly(false),
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maxConfigs(12),
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enforcedLang(None),
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reportProgress(false),
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checkConfiguration(false),
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checkLibrary(false)
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{
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// This assumes the code you are checking is for the same architecture this is compiled on.
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#if defined(_WIN64)
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platform(Win64);
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#elif defined(_WIN32)
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platform(Win32A);
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#else
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platform(Native);
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#endif
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}
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namespace {
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const std::set<std::string> id = make_container< std::set<std::string> > ()
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<< "warning"
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<< "style"
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<< "performance"
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<< "portability"
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<< "information"
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<< "missingInclude"
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<< "unusedFunction"
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#ifdef CHECK_INTERNAL
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<< "internal"
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#endif
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;
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}
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std::string Settings::addEnabled(const std::string &str)
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{
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// Enable parameters may be comma separated...
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if (str.find(',') != std::string::npos) {
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std::string::size_type prevPos = 0;
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std::string::size_type pos = 0;
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while ((pos = str.find(',', pos)) != std::string::npos) {
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if (pos == prevPos)
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return std::string("cppcheck: --enable parameter is empty");
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const std::string errmsg(addEnabled(str.substr(prevPos, pos - prevPos)));
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if (!errmsg.empty())
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return errmsg;
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++pos;
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prevPos = pos;
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}
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if (prevPos >= str.length())
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return std::string("cppcheck: --enable parameter is empty");
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return addEnabled(str.substr(prevPos));
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}
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if (str == "all") {
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std::set<std::string>::const_iterator it;
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for (it = id.begin(); it != id.end(); ++it) {
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if (*it == "internal")
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continue;
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_enabled.insert(*it);
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}
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} else if (id.find(str) != id.end()) {
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_enabled.insert(str);
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if (str == "information") {
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_enabled.insert("missingInclude");
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}
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} else {
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if (str.empty())
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return std::string("cppcheck: --enable parameter is empty");
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else
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return std::string("cppcheck: there is no --enable parameter with the name '" + str + "'");
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}
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return std::string("");
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}
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bool Settings::append(const std::string &filename)
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{
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std::ifstream fin(filename.c_str());
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if (!fin.is_open()) {
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return false;
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}
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std::string line;
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while (std::getline(fin, line)) {
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_append += line + "\n";
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}
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Preprocessor::preprocessWhitespaces(_append);
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return true;
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}
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const std::string &Settings::append() const
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{
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return _append;
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}
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bool Settings::platform(PlatformType type)
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{
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switch (type) {
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case Unspecified:
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platformType = type;
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sizeof_bool = sizeof(bool);
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sizeof_short = sizeof(short);
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sizeof_int = sizeof(int);
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sizeof_long = sizeof(long);
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sizeof_long_long = sizeof(long long);
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sizeof_float = sizeof(float);
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sizeof_double = sizeof(double);
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sizeof_long_double = sizeof(long double);
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sizeof_wchar_t = sizeof(wchar_t);
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sizeof_size_t = sizeof(std::size_t);
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sizeof_pointer = sizeof(void *);
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defaultSign = '\0';
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char_bit = 8;
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short_bit = char_bit * sizeof_short;
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int_bit = char_bit * sizeof_int;
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long_bit = char_bit * sizeof_long;
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long_long_bit = char_bit * sizeof_long_long;
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return true;
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case Native: // same as system this code was compile on
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platformType = type;
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sizeof_bool = sizeof(bool);
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sizeof_short = sizeof(short);
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sizeof_int = sizeof(int);
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sizeof_long = sizeof(long);
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sizeof_long_long = sizeof(long long);
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sizeof_float = sizeof(float);
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sizeof_double = sizeof(double);
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sizeof_long_double = sizeof(long double);
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sizeof_wchar_t = sizeof(wchar_t);
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sizeof_size_t = sizeof(std::size_t);
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sizeof_pointer = sizeof(void *);
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{
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int x = 2;
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defaultSign = (-10 / x == -5) ? 's' : 'u';
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}
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char_bit = 8;
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short_bit = char_bit * sizeof_short;
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int_bit = char_bit * sizeof_int;
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long_bit = char_bit * sizeof_long;
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long_long_bit = char_bit * sizeof_long_long;
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return true;
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case Win32W:
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case Win32A:
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platformType = type;
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sizeof_bool = 1; // 4 in Visual C++ 4.2
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sizeof_short = 2;
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sizeof_int = 4;
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sizeof_long = 4;
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sizeof_long_long = 8;
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sizeof_float = 4;
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sizeof_double = 8;
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sizeof_long_double = 8;
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sizeof_wchar_t = 2;
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sizeof_size_t = 4;
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sizeof_pointer = 4;
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defaultSign = '\0';
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char_bit = 8;
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short_bit = char_bit * sizeof_short;
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int_bit = char_bit * sizeof_int;
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long_bit = char_bit * sizeof_long;
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long_long_bit = char_bit * sizeof_long_long;
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return true;
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case Win64:
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platformType = type;
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sizeof_bool = 1;
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sizeof_short = 2;
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sizeof_int = 4;
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sizeof_long = 4;
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sizeof_long_long = 8;
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sizeof_float = 4;
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sizeof_double = 8;
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sizeof_long_double = 8;
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sizeof_wchar_t = 2;
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sizeof_size_t = 8;
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sizeof_pointer = 8;
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defaultSign = '\0';
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char_bit = 8;
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short_bit = char_bit * sizeof_short;
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int_bit = char_bit * sizeof_int;
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long_bit = char_bit * sizeof_long;
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long_long_bit = char_bit * sizeof_long_long;
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return true;
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case Unix32:
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platformType = type;
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sizeof_bool = 1;
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sizeof_short = 2;
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sizeof_int = 4;
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sizeof_long = 4;
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sizeof_long_long = 8;
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sizeof_float = 4;
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sizeof_double = 8;
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sizeof_long_double = 12;
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sizeof_wchar_t = 4;
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sizeof_size_t = 4;
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sizeof_pointer = 4;
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defaultSign = '\0';
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char_bit = 8;
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short_bit = char_bit * sizeof_short;
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int_bit = char_bit * sizeof_int;
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long_bit = char_bit * sizeof_long;
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long_long_bit = char_bit * sizeof_long_long;
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return true;
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case Unix64:
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platformType = type;
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sizeof_bool = 1;
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sizeof_short = 2;
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sizeof_int = 4;
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sizeof_long = 8;
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sizeof_long_long = 8;
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sizeof_float = 4;
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sizeof_double = 8;
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sizeof_long_double = 16;
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sizeof_wchar_t = 4;
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sizeof_size_t = 8;
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sizeof_pointer = 8;
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defaultSign = '\0';
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char_bit = 8;
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short_bit = char_bit * sizeof_short;
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int_bit = char_bit * sizeof_int;
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long_bit = char_bit * sizeof_long;
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long_long_bit = char_bit * sizeof_long_long;
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return true;
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}
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// unsupported platform
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return false;
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}
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bool Settings::platformFile(const std::string &filename)
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{
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// open file..
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tinyxml2::XMLDocument doc;
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if (doc.LoadFile(filename.c_str()) != tinyxml2::XML_NO_ERROR)
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return false;
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const tinyxml2::XMLElement * const rootnode = doc.FirstChildElement();
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if (!rootnode || std::strcmp(rootnode->Name(),"platform") != 0)
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return false;
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for (const tinyxml2::XMLElement *node = rootnode->FirstChildElement(); node; node = node->NextSiblingElement()) {
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if (std::strcmp(node->Name(), "default-sign") == 0)
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defaultSign = *node->GetText();
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else if (std::strcmp(node->Name(), "char_bit") == 0)
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char_bit = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "sizeof") == 0) {
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for (const tinyxml2::XMLElement *sz = node->FirstChildElement(); sz; sz = sz->NextSiblingElement()) {
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if (std::strcmp(node->Name(), "short") == 0)
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sizeof_short = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "int") == 0)
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sizeof_int = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "long") == 0)
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sizeof_long = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "long-long") == 0)
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sizeof_long_long = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "float") == 0)
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sizeof_float = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "double") == 0)
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sizeof_double = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "long-double") == 0)
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sizeof_long_double = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "pointer") == 0)
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sizeof_pointer = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "size_t") == 0)
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sizeof_size_t = std::atoi(node->GetText());
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else if (std::strcmp(node->Name(), "wchar_t") == 0)
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sizeof_wchar_t = std::atoi(node->GetText());
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}
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}
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}
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short_bit = char_bit * sizeof_short;
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int_bit = char_bit * sizeof_int;
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long_bit = char_bit * sizeof_long;
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long_long_bit = char_bit * sizeof_long_long;
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return true;
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}
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