/* * cppcheck - c/c++ syntax checking * Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam * * 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 #include "settings.h" class Token; class Tokenizer; class ErrorMessage { private: ErrorMessage() { } static std::string msg1(const Tokenizer *tokenizer, const Token *Location); public: static std::string arrayIndexOutOfBounds(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Array index out of bounds"; } static bool arrayIndexOutOfBounds(const Settings &s) { return s._showAll; } static std::string bufferOverrun(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Buffer overrun"; } static bool bufferOverrun(const Settings &s) { return s._showAll; } static std::string outOfBounds(const Tokenizer *tokenizer, const Token *Location, const std::string &what) { return msg1(tokenizer, Location) + "" + what + " is out of bounds"; } static bool outOfBounds(const Settings &s) { return true; } static std::string noConstructor(const Tokenizer *tokenizer, const Token *Location, const std::string &classname) { return msg1(tokenizer, Location) + "The class '" + classname + "' has no constructor"; } static bool noConstructor(const Settings &s) { return s._checkCodingStyle; } static std::string uninitVar(const Tokenizer *tokenizer, const Token *Location, const std::string &classname, const std::string &varname) { return msg1(tokenizer, Location) + "Uninitialized member variable '" + classname + "::" + varname + "'"; } static bool uninitVar(const Settings &s) { return true; } static std::string unusedPrivateFunction(const Tokenizer *tokenizer, const Token *Location, const std::string &classname, const std::string &funcname) { return msg1(tokenizer, Location) + "Unused private function '" + classname + "::" + funcname + "'"; } static bool unusedPrivateFunction(const Settings &s) { return s._checkCodingStyle; } static std::string memsetClass(const Tokenizer *tokenizer, const Token *Location, const std::string &memfunc) { return msg1(tokenizer, Location) + "Using '" + memfunc + "' on class"; } static bool memsetClass(const Settings &s) { return true; } static std::string memsetStruct(const Tokenizer *tokenizer, const Token *Location, const std::string &memfunc, const std::string &classname) { return msg1(tokenizer, Location) + "Using '" + memfunc + "' on struct that contains a 'std::" + classname + "'"; } static bool memsetStruct(const Settings &s) { return true; } static std::string operatorEq(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "'operator=' should return something"; } static bool operatorEq(const Settings &s) { return s._checkCodingStyle; } static std::string virtualDestructor(const Tokenizer *tokenizer, const Token *Location, const std::string &Base, const std::string &Derived) { return msg1(tokenizer, Location) + "Class " + Base + " which is inherited by class " + Derived + " does not have a virtual destructor"; } static bool virtualDestructor(const Settings &s) { return true; } static std::string unusedFunction(const std::string &filename, const std::string &funcname) { return "[" + filename + "]: The function '" + funcname + "' is never used"; } static bool unusedFunction(const Settings &s) { return s._showAll & s._checkCodingStyle; } static std::string mismatchAllocDealloc(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "Mismatching allocation and deallocation: " + varname + ""; } static bool mismatchAllocDealloc(const Settings &s) { return true; } static std::string memleak(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "Memory leak: " + varname + ""; } static bool memleak(const Settings &s) { return true; } static std::string resourceLeak(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "Resource leak: " + varname + ""; } static bool resourceLeak(const Settings &s) { return true; } static std::string deallocDealloc(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "Deallocating a deallocated pointer: " + varname + ""; } static bool deallocDealloc(const Settings &s) { return true; } static std::string cstyleCast(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "C-style pointer casting"; } static bool cstyleCast(const Settings &s) { return s._checkCodingStyle; } static std::string redundantIfDelete0(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Redundant condition. It is safe to deallocate a NULL pointer"; } static bool redundantIfDelete0(const Settings &s) { return s._checkCodingStyle; } static std::string redundantIfRemove(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Redundant condition. The remove function in the STL will not do anything if element doesn't exist"; } static bool redundantIfRemove(const Settings &s) { return s._checkCodingStyle; } static std::string dangerousUsageStrtol(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Invalid radix in call to strtol or strtoul. Must be 0 or 2-36"; } static bool dangerousUsageStrtol(const Settings &s) { return true; } static std::string ifNoAction(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Found redundant if condition - 'if (condition);'"; } static bool ifNoAction(const Settings &s) { return s._checkCodingStyle; } static std::string sprintfOverlappingData(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "Overlapping data buffer " + varname + ""; } static bool sprintfOverlappingData(const Settings &s) { return true; } static std::string udivError(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Unsigned division. The result will be wrong."; } static bool udivError(const Settings &s) { return true; } static std::string udivWarning(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Warning: Division with signed and unsigned operators"; } static bool udivWarning(const Settings &s) { return s._showAll & s._checkCodingStyle; } static std::string unusedStructMember(const Tokenizer *tokenizer, const Token *Location, const std::string &structname, const std::string &varname) { return msg1(tokenizer, Location) + "struct or union member '" + structname + "::" + varname + "' is never used"; } static bool unusedStructMember(const Settings &s) { return s._checkCodingStyle; } static std::string unreachableCode(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Unreachable code below a 'return'"; } static bool unreachableCode(const Settings &s) { return true; } static std::string passedByValue(const Tokenizer *tokenizer, const Token *Location, const std::string &parname) { return msg1(tokenizer, Location) + "Function parameter '" + parname + "' is passed by value. It could be passed by reference instead."; } static bool passedByValue(const Settings &s) { return true; } static std::string unusedVariable(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "Unused variable '" + varname + "'"; } static bool unusedVariable(const Settings &s) { return s._checkCodingStyle; } static std::string unreadVariable(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "Variable '" + varname + "' is assigned a value that is never used"; } static bool unreadVariable(const Settings &s) { return s._checkCodingStyle; } static std::string unassignedVariable(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "Variable '" + varname + "' is not assigned a value"; } static bool unassignedVariable(const Settings &s) { return s._checkCodingStyle; } static std::string constStatement(const Tokenizer *tokenizer, const Token *Location, const std::string &type) { return msg1(tokenizer, Location) + "Redundant code: Found a statement that begins with " + type + " constant"; } static bool constStatement(const Settings &s) { return s._checkCodingStyle; } static std::string charArrayIndex(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Warning - using char variable as array index"; } static bool charArrayIndex(const Settings &s) { return s._checkCodingStyle; } static std::string charBitOp(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Warning - using char variable in bit operation"; } static bool charBitOp(const Settings &s) { return s._checkCodingStyle; } static std::string variableScope(const Tokenizer *tokenizer, const Token *Location, const std::string &varname) { return msg1(tokenizer, Location) + "The scope of the variable " + varname + " can be limited"; } static bool variableScope(const Settings &s) { return false; } static std::string ifAssignment(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Assignment in if-condition"; } static bool ifAssignment(const Settings &s) { return s._checkCodingStyle; } static std::string conditionAlwaysTrueFalse(const Tokenizer *tokenizer, const Token *Location, const std::string &truefalse) { return msg1(tokenizer, Location) + "Condition is always " + truefalse + ""; } static bool conditionAlwaysTrueFalse(const Settings &s) { return s._checkCodingStyle; } static std::string strPlusChar(const Tokenizer *tokenizer, const Token *Location) { return msg1(tokenizer, Location) + "Unusual pointer arithmetic"; } static bool strPlusChar(const Settings &s) { return true; } }; #endif