walkero
/
cppcheck
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity
cppcheck/lib/settings.cpp

506 lines
18 KiB
C++
Raw Blame History

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2016 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 "settings.h"
#include "preprocessor.h" // Preprocessor
#include "utils.h"
#include "tinyxml2.h"
#include "path.h"
#include "tokenlist.h"
#include <fstream>
#include <set>
Settings::Settings()
: _terminated(false),
debug(false),
debugnormal(false),
debugwarnings(false),
dump(false),
exceptionHandling(false),
inconclusive(false),
jointSuppressionReport(false),
experimental(false),
quiet(false),
inlineSuppressions(false),
verbose(false),
force(false),
relativePaths(false),
xml(false), xml_version(1),
jobs(1),
loadAverage(0),
exitCode(0),
showtime(SHOWTIME_NONE),
preprocessOnly(false),
maxConfigs(12),
enforcedLang(None),
reportProgress(false),
checkConfiguration(false),
checkLibrary(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(Native);
#endif
}
namespace {
const std::set<std::string> id = make_container< std::set<std::string> > ()
<< "warning"
<< "style"
<< "performance"
<< "portability"
<< "information"
<< "missingInclude"
<< "unusedFunction"
#ifdef CHECK_INTERNAL
<< "internal"
#endif
;
}
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));
}
if (str == "all") {
std::set<std::string>::const_iterator it;
for (it = id.begin(); it != id.end(); ++it) {
if (*it == "internal")
continue;
_enabled.insert(*it);
}
} else if (id.find(str) != id.end()) {
_enabled.insert(str);
if (str == "information") {
_enabled.insert("missingInclude");
}
} else {
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::append(const std::string &filename)
{
std::ifstream fin(filename.c_str());
if (!fin.is_open()) {
return false;
}
std::string line;
while (std::getline(fin, line)) {
_append += line + "\n";
}
Preprocessor::preprocessWhitespaces(_append);
return true;
}
const std::string &Settings::append() const
{
return _append;
}
bool Settings::platform(PlatformType type)
{
switch (type) {
case Unspecified:
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 *);
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 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 *);
{
char x = -1;
defaultSign = (x < 0) ? '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;
}
// unsupported platform
return false;
}
bool Settings::platformFile(const std::string &filename)
{
// open file..
tinyxml2::XMLDocument doc;
if (doc.LoadFile(filename.c_str()) != tinyxml2::XML_SUCCESS)
return false;
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(node->Name(), "short") == 0)
sizeof_short = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "int") == 0)
sizeof_int = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "long") == 0)
sizeof_long = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "long-long") == 0)
sizeof_long_long = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "float") == 0)
sizeof_float = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "double") == 0)
sizeof_double = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "long-double") == 0)
sizeof_long_double = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "pointer") == 0)
sizeof_pointer = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "size_t") == 0)
sizeof_size_t = std::atoi(node->GetText());
else if (std::strcmp(node->Name(), "wchar_t") == 0)
sizeof_wchar_t = std::atoi(node->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;
return true;
}
void Settings::importProject(const std::string &filename) {
std::ifstream fin(filename);
if (!fin.is_open())
return;
if (filename == "compile_commands.json") {
importCompileCommands(fin);
} else if (filename.find(".vcxproj") != std::string::npos) {
importVcxproj(filename);
}
}
void Settings::importCompileCommands(std::istream &istr) {
std::map<std::string, std::string> values;
TokenList tokenList(this);
tokenList.createTokens(istr);
for (const Token *tok = tokenList.front(); tok; tok = tok->next()) {
if (Token::Match(tok, "%str% : %str% [,}]")) {
std::string key = tok->str();
std::string value = tok->strAt(2);
values[key.substr(1, key.size() - 2U)] = value.substr(1, value.size() - 2U);
}
else if (tok->str() == "}") {
if (!values["file"].empty() && !values["command"].empty()) {
struct FileSettings fs;
fs.filename = Path::fromNativeSeparators(values["file"]);
std::string command = values["command"];
std::string::size_type pos = 0;
while (std::string::npos != (pos = command.find(" ",pos))) {
pos++;
if (pos >= command.size())
break;
if (command[pos] != '/' && command[pos] != '-')
continue;
pos++;
if (pos >= command.size())
break;
char F = command[pos++];
std::string fval;
while (pos < command.size() && command[pos] != ' ')
fval += command[pos++];
if (F=='D')
fs.defines += fval + ";";
else if (F=='U')
fs.undefs.insert(fval);
else if (F=='I')
fs.includePaths.push_back(fval);
}
fileSettings.push_back(fs);
}
values.clear();
}
}
}
namespace {
struct ProjectConfiguration {
ProjectConfiguration(const tinyxml2::XMLElement *cfg) {
for (const tinyxml2::XMLElement *e = cfg->FirstChildElement(); e; e = e->NextSiblingElement()) {
if (std::strcmp(e->Name(),"Configuration")==0)
configuration = e->GetText();
else if (std::strcmp(e->Name(),"Platform")==0)
platform = e->GetText();
}
}
std::string configuration;
std::string platform;
};
struct ItemDefinitionGroup {
ItemDefinitionGroup(const tinyxml2::XMLElement *idg) {
const char *condAttr = idg->Attribute("Condition");
if (condAttr)
condition = condAttr;
for (const tinyxml2::XMLElement *e1 = idg->FirstChildElement(); e1; e1 = e1->NextSiblingElement()) {
if (std::strcmp(e1->Name(), "ClCompile") != 0)
continue;
for (const tinyxml2::XMLElement *e = e1->FirstChildElement(); e; e = e->NextSiblingElement()) {
if (std::strcmp(e->Name(), "PreprocessorDefinitions") == 0)
preprocessorDefinitions = e->GetText();
else if (std::strcmp(e->Name(), "AdditionalIncludeDirectories") == 0)
additionalIncludePaths = e->GetText();
}
}
}
bool conditionIsTrue(const ProjectConfiguration &p) const {
std::string c = condition;
std::string::size_type pos = 0;
while ((pos = c.find("$(Configuration)")) != std::string::npos) {
c.erase(pos,16);
c.insert(pos,p.configuration);
}
while ((pos = c.find("$(Platform)")) != std::string::npos) {
c.erase(pos, 11);
c.insert(pos, p.platform);
}
// TODO : Better evaluation
Settings s;
std::istringstream istr(c);
TokenList tokens(&s);
tokens.createTokens(istr);
tokens.createAst();
for (const Token *tok = tokens.front(); tok; tok = tok->next()) {
if (tok->str() == "==" && tok->astOperand1() && tok->astOperand2() && tok->astOperand1()->str() == tok->astOperand2()->str())
return true;
}
return false;
}
std::string condition;
std::string preprocessorDefinitions;
std::string additionalIncludePaths;
};
};
static std::list<std::string> toStringList(const std::string &s) {
std::list<std::string> ret;
std::string::size_type pos1 = 0;
std::string::size_type pos2;
while ((pos2 = s.find(";",pos1)) != std::string::npos) {
ret.push_back(s.substr(pos1, pos2-pos1));
pos1 = pos2 + 1;
if (pos1 >= s.size())
break;
}
if (pos1 < s.size())
ret.push_back(s.substr(pos1));
return ret;
}
void Settings::importVcxproj(const std::string &filename)
{
std::list<ProjectConfiguration> projectConfigurationList;
std::list<std::string> compileList;
std::list<ItemDefinitionGroup> itemDefinitionGroupList;
tinyxml2::XMLDocument doc;
tinyxml2::XMLError error = doc.LoadFile(filename.c_str());
if (error != tinyxml2::XML_SUCCESS)
return;
const tinyxml2::XMLElement * const rootnode = doc.FirstChildElement();
if (rootnode == nullptr)
return;
for (const tinyxml2::XMLElement *node = rootnode->FirstChildElement(); node; node = node->NextSiblingElement()) {
if (std::strcmp(node->Name(), "ItemGroup") == 0) {
if (node->Attribute("Label") && std::strcmp(node->Attribute("Label"), "ProjectConfigurations") == 0) {
for (const tinyxml2::XMLElement *cfg = node->FirstChildElement(); cfg; cfg = cfg->NextSiblingElement()) {
if (std::strcmp(cfg->Name(), "ProjectConfiguration") == 0)
projectConfigurationList.push_back(ProjectConfiguration(cfg));
}
} else {
for (const tinyxml2::XMLElement *e = node->FirstChildElement(); e; e = e->NextSiblingElement()) {
if (std::strcmp(e->Name(), "ClCompile") == 0)
compileList.push_back(e->Attribute("Include"));
}
}
} else if (std::strcmp(node->Name(), "ItemDefinitionGroup") == 0) {
itemDefinitionGroupList.push_back(ItemDefinitionGroup(node));
}
}
for (std::list<std::string>::const_iterator c = compileList.begin(); c != compileList.end(); ++c) {
for (std::list<ProjectConfiguration>::const_iterator p = projectConfigurationList.begin(); p != projectConfigurationList.end(); ++p) {
for (std::list<ItemDefinitionGroup>::const_iterator i = itemDefinitionGroupList.begin(); i != itemDefinitionGroupList.end(); ++i) {
if (!i->conditionIsTrue(*p))
continue;
FileSettings fs;
fs.filename = Path::simplifyPath(Path::getPathFromFilename(filename) + *c);
fs.defines = i->preprocessorDefinitions;
fs.includePaths = toStringList(i->additionalIncludePaths);
if (p->platform == "Win32")
fs.platformType = Win32W;
else if (p->platform == "x64")
fs.platformType = Win64;
fileSettings.push_back(fs);
}
}
}
}
Reference in New Issue View Git Blame Copy Permalink