cppcheck/lib/ctu.h

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/*
* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2022 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/>.
*/
//---------------------------------------------------------------------------
#ifndef ctuH
#define ctuH
//---------------------------------------------------------------------------
#include "config.h"
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#include "check.h"
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#include "errorlogger.h"
#include "mathlib.h"
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#include "valueflow.h"
#include <algorithm>
#include <list>
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#include <map>
#include <string>
#include <vector>
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class Function;
class Settings;
class Token;
class Tokenizer;
namespace tinyxml2 {
class XMLElement;
}
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/// @addtogroup Core
/// @{
/** @brief Whole program analysis (ctu=Cross Translation Unit) */
namespace CTU {
class CPPCHECKLIB FileInfo : public Check::FileInfo {
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public:
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enum class InvalidValueType { null, uninit, bufferOverflow };
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std::string toString() const override;
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struct Location {
Location() = default;
Location(const Tokenizer *tokenizer, const Token *tok);
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Location(const std::string &fileName, nonneg int lineNumber, nonneg int column) : fileName(fileName), lineNumber(lineNumber), column(column) {}
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std::string fileName;
nonneg int lineNumber{};
nonneg int column{};
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};
struct UnsafeUsage {
UnsafeUsage() = default;
UnsafeUsage(const std::string &myId, nonneg int myArgNr, const std::string &myArgumentName, const Location &location, MathLib::bigint value) : myId(myId), myArgNr(myArgNr), myArgumentName(myArgumentName), location(location), value(value) {}
std::string myId;
nonneg int myArgNr{};
std::string myArgumentName;
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Location location;
MathLib::bigint value{};
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std::string toString() const;
};
class CallBase {
public:
CallBase() = default;
CallBase(const std::string &callId, int callArgNr, const std::string &callFunctionName, const Location &loc)
: callId(callId), callArgNr(callArgNr), callFunctionName(callFunctionName), location(loc)
{}
CallBase(const Tokenizer *tokenizer, const Token *callToken);
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virtual ~CallBase() {}
std::string callId;
int callArgNr{};
std::string callFunctionName;
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Location location;
protected:
std::string toBaseXmlString() const;
bool loadBaseFromXml(const tinyxml2::XMLElement *xmlElement);
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};
class FunctionCall : public CallBase {
public:
std::string callArgumentExpression;
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MathLib::bigint callArgValue;
ValueFlow::Value::ValueType callValueType;
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std::vector<ErrorMessage::FileLocation> callValuePath;
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bool warning;
std::string toXmlString() const;
bool loadFromXml(const tinyxml2::XMLElement *xmlElement);
};
class NestedCall : public CallBase {
public:
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NestedCall() = default;
NestedCall(const std::string &myId, nonneg int myArgNr, const std::string &callId, nonneg int callArgnr, const std::string &callFunctionName, const Location &location)
: CallBase(callId, callArgnr, callFunctionName, location),
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myId(myId),
myArgNr(myArgNr) {}
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NestedCall(const Tokenizer *tokenizer, const Function *myFunction, const Token *callToken);
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std::string toXmlString() const;
bool loadFromXml(const tinyxml2::XMLElement *xmlElement);
std::string myId;
nonneg int myArgNr{};
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};
std::list<FunctionCall> functionCalls;
std::list<NestedCall> nestedCalls;
void loadFromXml(const tinyxml2::XMLElement *xmlElement);
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std::map<std::string, std::list<const CallBase *>> getCallsMap() const;
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static std::list<ErrorMessage::FileLocation> getErrorPath(InvalidValueType invalidValue,
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const UnsafeUsage &unsafeUsage,
const std::map<std::string, std::list<const CallBase *>> &callsMap,
const char info[],
const FunctionCall ** const functionCallPtr,
bool warning);
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};
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extern int maxCtuDepth;
CPPCHECKLIB std::string toString(const std::list<FileInfo::UnsafeUsage> &unsafeUsage);
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CPPCHECKLIB std::string getFunctionId(const Tokenizer *tokenizer, const Function *function);
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/** @brief Parse current TU and extract file info */
CPPCHECKLIB FileInfo *getFileInfo(const Tokenizer *tokenizer);
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CPPCHECKLIB std::list<FileInfo::UnsafeUsage> getUnsafeUsage(const Tokenizer *tokenizer, const Settings *settings, const Check *check, bool (*isUnsafeUsage)(const Check *check, const Token *argtok, MathLib::bigint *value));
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CPPCHECKLIB std::list<FileInfo::UnsafeUsage> loadUnsafeUsageListFromXml(const tinyxml2::XMLElement *xmlElement);
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}
/// @}
//---------------------------------------------------------------------------
#endif // ctuH