239 lines
8.5 KiB
C++
239 lines
8.5 KiB
C++
/*
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
|
* Copyright (C) 2007-2021 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/>.
|
|
*/
|
|
|
|
#include "platform.h"
|
|
#include "path.h"
|
|
#include "tinyxml2.h"
|
|
#include <cstdlib>
|
|
#include <cstring>
|
|
#include <limits>
|
|
#include <vector>
|
|
|
|
cppcheck::Platform::Platform()
|
|
{
|
|
// 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(Native);
|
|
#endif
|
|
}
|
|
|
|
|
|
bool cppcheck::Platform::platform(cppcheck::Platform::PlatformType type)
|
|
{
|
|
switch (type) {
|
|
case Unspecified: // unknown type sizes (sizes etc are set but are not known)
|
|
case Native: // 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_wchar_t = sizeof(wchar_t);
|
|
sizeof_size_t = sizeof(std::size_t);
|
|
sizeof_pointer = sizeof(void *);
|
|
if (type == Unspecified) {
|
|
defaultSign = '\0';
|
|
} else {
|
|
defaultSign = (std::numeric_limits<char>::is_signed) ? 's' : 'u';
|
|
}
|
|
char_bit = 8;
|
|
short_bit = char_bit * sizeof_short;
|
|
int_bit = char_bit * sizeof_int;
|
|
long_bit = char_bit * sizeof_long;
|
|
long_long_bit = char_bit * sizeof_long_long;
|
|
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_wchar_t = 2;
|
|
sizeof_size_t = 4;
|
|
sizeof_pointer = 4;
|
|
defaultSign = '\0';
|
|
char_bit = 8;
|
|
short_bit = char_bit * sizeof_short;
|
|
int_bit = char_bit * sizeof_int;
|
|
long_bit = char_bit * sizeof_long;
|
|
long_long_bit = char_bit * sizeof_long_long;
|
|
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_wchar_t = 2;
|
|
sizeof_size_t = 8;
|
|
sizeof_pointer = 8;
|
|
defaultSign = '\0';
|
|
char_bit = 8;
|
|
short_bit = char_bit * sizeof_short;
|
|
int_bit = char_bit * sizeof_int;
|
|
long_bit = char_bit * sizeof_long;
|
|
long_long_bit = char_bit * sizeof_long_long;
|
|
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_wchar_t = 4;
|
|
sizeof_size_t = 4;
|
|
sizeof_pointer = 4;
|
|
defaultSign = '\0';
|
|
char_bit = 8;
|
|
short_bit = char_bit * sizeof_short;
|
|
int_bit = char_bit * sizeof_int;
|
|
long_bit = char_bit * sizeof_long;
|
|
long_long_bit = char_bit * sizeof_long_long;
|
|
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_wchar_t = 4;
|
|
sizeof_size_t = 8;
|
|
sizeof_pointer = 8;
|
|
defaultSign = '\0';
|
|
char_bit = 8;
|
|
short_bit = char_bit * sizeof_short;
|
|
int_bit = char_bit * sizeof_int;
|
|
long_bit = char_bit * sizeof_long;
|
|
long_long_bit = char_bit * sizeof_long_long;
|
|
return true;
|
|
case PlatformFile:
|
|
// sizes are not set.
|
|
return false;
|
|
}
|
|
// unsupported platform
|
|
return false;
|
|
}
|
|
|
|
bool cppcheck::Platform::loadPlatformFile(const char exename[], const std::string &filename)
|
|
{
|
|
// open file..
|
|
tinyxml2::XMLDocument doc;
|
|
if (doc.LoadFile(filename.c_str()) != tinyxml2::XML_SUCCESS) {
|
|
std::vector<std::string> filenames;
|
|
filenames.push_back(filename + ".xml");
|
|
if (exename && (std::string::npos != Path::fromNativeSeparators(exename).find('/'))) {
|
|
filenames.push_back(Path::getPathFromFilename(Path::fromNativeSeparators(exename)) + filename);
|
|
filenames.push_back(Path::getPathFromFilename(Path::fromNativeSeparators(exename)) + filename);
|
|
filenames.push_back(Path::getPathFromFilename(Path::fromNativeSeparators(exename)) + "platforms/" + filename);
|
|
filenames.push_back(Path::getPathFromFilename(Path::fromNativeSeparators(exename)) + "platforms/" + filename + ".xml");
|
|
}
|
|
#ifdef FILESDIR
|
|
std::string filesdir = FILESDIR;
|
|
if (!filesdir.empty() && filesdir[filesdir.size()-1] != '/')
|
|
filesdir += '/';
|
|
filenames.push_back(filesdir + ("platforms/" + filename));
|
|
filenames.push_back(filesdir + ("platforms/" + filename + ".xml"));
|
|
#endif
|
|
bool success = false;
|
|
for (const std::string & f : filenames) {
|
|
if (doc.LoadFile(f.c_str()) == tinyxml2::XML_SUCCESS) {
|
|
success = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!success)
|
|
return false;
|
|
}
|
|
|
|
return loadFromXmlDocument(&doc);
|
|
}
|
|
|
|
bool cppcheck::Platform::loadFromXmlDocument(const tinyxml2::XMLDocument *doc)
|
|
{
|
|
const tinyxml2::XMLElement * const rootnode = doc->FirstChildElement();
|
|
|
|
if (!rootnode || std::strcmp(rootnode->Name(), "platform") != 0)
|
|
return false;
|
|
|
|
for (const tinyxml2::XMLElement *node = rootnode->FirstChildElement(); node; node = node->NextSiblingElement()) {
|
|
if (std::strcmp(node->Name(), "default-sign") == 0)
|
|
defaultSign = *node->GetText();
|
|
else if (std::strcmp(node->Name(), "char_bit") == 0)
|
|
char_bit = std::atoi(node->GetText());
|
|
else if (std::strcmp(node->Name(), "sizeof") == 0) {
|
|
for (const tinyxml2::XMLElement *sz = node->FirstChildElement(); sz; sz = sz->NextSiblingElement()) {
|
|
if (std::strcmp(sz->Name(), "short") == 0)
|
|
sizeof_short = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "bool") == 0)
|
|
sizeof_bool = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "int") == 0)
|
|
sizeof_int = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "long") == 0)
|
|
sizeof_long = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "long-long") == 0)
|
|
sizeof_long_long = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "float") == 0)
|
|
sizeof_float = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "double") == 0)
|
|
sizeof_double = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "long-double") == 0)
|
|
sizeof_long_double = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "pointer") == 0)
|
|
sizeof_pointer = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "size_t") == 0)
|
|
sizeof_size_t = std::atoi(sz->GetText());
|
|
else if (std::strcmp(sz->Name(), "wchar_t") == 0)
|
|
sizeof_wchar_t = std::atoi(sz->GetText());
|
|
}
|
|
}
|
|
}
|
|
|
|
short_bit = char_bit * sizeof_short;
|
|
int_bit = char_bit * sizeof_int;
|
|
long_bit = char_bit * sizeof_long;
|
|
long_long_bit = char_bit * sizeof_long_long;
|
|
|
|
platformType = PlatformFile;
|
|
return true;
|
|
}
|