197 lines
4.5 KiB
C++
197 lines
4.5 KiB
C++
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#include "tokenize.h" // <- Tokenizer
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#include "CommonCheck.h"
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#include "CheckMemoryLeak.h"
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#include "CheckBufferOverrun.h"
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#include "CheckClass.h"
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#include "CheckHeaders.h"
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#include "CheckOther.h"
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#include <iostream>
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#include <sstream>
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//---------------------------------------------------------------------------
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bool Debug = false;
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bool ShowAll = false;
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bool CheckCodingStyle = false;
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//---------------------------------------------------------------------------
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static void CppCheck(const char FileName[]);
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//---------------------------------------------------------------------------
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// Main function of cppcheck
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//---------------------------------------------------------------------------
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int main(int argc, char* argv[])
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{
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std::vector<std::string> filenames;
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for (int i = 1; i < argc; i++)
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{
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if (strcmp(argv[i],"--debug") == 0)
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Debug = true;
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// Show all messages
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else if (strcmp(argv[i],"--all") == 0)
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ShowAll = true;
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// Checking coding style.
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else if (strcmp(argv[i],"--style")==0)
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CheckCodingStyle = true;
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else
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filenames.push_back( argv[i] );
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}
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if (filenames.empty())
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{
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std::cout << "C/C++ code checking.\n"
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"\n"
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"Syntax:\n"
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" cppcheck [--all] [--style] filename1 [filename2]\n"
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"\n"
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"Options:\n"
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" --all Normally a message is only shown if cppcheck is sure\n"
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" it has found a bug.\n"
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" When this option is given, all messages are shown.\n"
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"\n"
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" --style Check coding style.\n";
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return 0;
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}
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for (unsigned int c = 0; c < filenames.size(); c++)
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{
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errout.str("");
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CppCheck(filenames[c].c_str());
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std::cerr << errout.str();
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}
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return 0;
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}
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//---------------------------------------------------------------------------
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// CppCheck - A function that checks a specified file
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//---------------------------------------------------------------------------
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extern bool HasErrors;
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static void CppCheck(const char FileName[])
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{
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HasErrors = false;
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std::cout << "Checking " << FileName << "...\n";
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// Tokenize the file
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tokens = tokens_back = NULL;
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Files.clear();
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Tokenize(FileName);
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// Check that the memsets are valid.
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// The 'memset' function can do dangerous things if used wrong.
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// Important: The checking doesn't work on simplified tokens list.
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CheckMemset();
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// Including header which is not needed
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if ( CheckCodingStyle )
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WarningIncludeHeader();
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SimplifyTokenList();
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// Memory leak
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CheckMemoryLeak();
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// Buffer overruns..
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CheckBufferOverrun();
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// Check that all class constructors are ok.
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CheckConstructors();
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if (ShowAll)
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{
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// Check for "if (a=b)"
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CheckIfAssignment();
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// Check for case without break
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// Disabled because it generates many false positives
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// CheckCaseWithoutBreak();
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// Dangerous usage of strtok
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// Disabled because it generates false positives
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//WarningStrTok();
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}
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// Dangerous functions, such as 'gets' and 'scanf'
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WarningDangerousFunctions();
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// Invalid function usage..
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InvalidFunctionUsage();
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if (CheckCodingStyle)
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{
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// Check that all private functions are called.
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CheckUnusedPrivateFunctions();
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// Found implementation in header
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WarningHeaderWithImplementation();
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// Warning upon c-style pointer casts
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const char *ext = strrchr(FileName, '.');
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#ifdef __linux__
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if (ext && strcasecmp(ext,".c"))
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#else
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if (ext && stricmp(ext,".c"))
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#endif
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WarningOldStylePointerCast();
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// Use standard functions instead
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WarningIsDigit();
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WarningIsAlpha();
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CheckOperatorEq1();
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// if (a) delete a;
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WarningRedundantCode();
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// if (condition);
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WarningIf();
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}
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// Clean up tokens..
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DeallocateTokens();
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// Todo: How should this work? Activated by a command line switch?
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if ( ! HasErrors )
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std::cout << "No errors found\n";
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}
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//---------------------------------------------------------------------------
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