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Свой assert, может кому сгодиться, жду критики: xassert.h | Код |
/****************************************************************************
* xassert.h
*
*****************************************************************************/
#ifndef XASSERT_H
#define XASSERT_H
//---------------------------------------------------------------------------
#include <stddef.h>
//---------------------------------------------------------------------------
#ifdef NDEBUG
#define XASSERT (ignore) ((void)0)
#define XASSERT_EX(ignore) ((void)0)
#else /*NDEBUG*/
void vAssert(const char *pcszExp, unsigned long int ulLastError, const char *pcszFile, unsigned long int ulLine, const char *pcszFunc, const char *pcszComment = NULL);
#ifndef __FILE__
# define __FILE__ "<unknown>"
#endif
#ifndef __LINE__
# define __LINE__ "<unknown>"
#endif
#ifndef __FUNCTION__
# define __FUNCTION__ __FUNC__
#endif
#ifndef __FUNC__
# define __FUNC__ "<unknown>"
#endif
#define XASSERT(exp) ((exp) ? (void)0 : (vAssert(#exp, ::GetLastError(), __FILE__, __LINE__, __FUNCTION__), (void)0))
#define XASSERT_EX(exp, comment) ((exp) ? (void)0 : (vAssert(#exp, ::GetLastError(), __FILE__, __LINE__, __FUNCTION__, comment), (void)0))
#endif /*NDEBUG*/
//---------------------------------------------------------------------------
#endif /*XASSERT_H*/
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xassert.cpp | Код |
/****************************************************************************
* xassert.cpp
*
*****************************************************************************/
#include <windows.h>
#include <string>
//---------------------------------------------------------------------------
std::string sCutFirstDirectory(const std::string &csS) {
std::string S;
S.assign(csS);
bool bRoot = false;
size_t P = - 1;
if ("\\" == S) {
S.clear();
} else {
if (S[0] == '\\') {
bRoot = true;
S.erase(0, 1);
} else {
bRoot = false;
}
if ('.' == S[0]) {
S.erase(0, 4);
}
P = S.find_first_of("\\") + 1;
if (std::string::npos != P) {
S.erase(0, P);
S = "...\\" + S;
} else {
S.clear();
}
if (bRoot) {
S = "\\" + S;
}
}
return S;
}
//---------------------------------------------------------------------------
std::string sMinimizeName(const std::string &csFilePath, size_t uiMaxLen) {
std::string sRes = csFilePath;
TCHAR szDrive[MAX_PATH]; ZeroMemory(szDrive, sizeof(szDrive));
TCHAR szDir [MAX_PATH]; ZeroMemory(szDir, sizeof(szDir));
TCHAR szName [MAX_PATH]; ZeroMemory(szName, sizeof(szName));
TCHAR szExt [MAX_PATH]; ZeroMemory(szExt, sizeof(szExt));
_splitpath(csFilePath.c_str(), szDrive, szDir, szName, szExt);
std::string sDrive = std::string(szDrive);
std::string sDir = std::string(szDir);
std::string sName = std::string(szName) + std::string(szExt);
//while ((Dir <> '') or (Drive <> '')) and (Canvas.TextWidth(Result) > MaxLen) do
while (((!sDir.empty()) || (!sDrive.empty())) && (sRes.size()/*sDir.size()*/ > uiMaxLen)) {
if ("\\...\\" == sDir ) {
sDrive.clear();
sDir = "...\\";
} else if (sDir.empty()) {
sDrive.clear();
} else {
sDir = sCutFirstDirectory(sDir);
}
sRes = sDrive + sDir + sName;
}
return sRes;
}
//---------------------------------------------------------------------------
void vAssert(const char *pcszExp, unsigned long int ulLastError, const char *pcszFile, unsigned long int ulLine, const char *pcszFunc, const char *pcszComment) {
//-------------------------------------
//путь к exe-шнику
TCHAR szExePath[MAX_PATH]; ::ZeroMemory(szExePath, sizeof(szExePath));
if (!::GetModuleFileName(::GetModuleHandle(NULL), szExePath, MAX_PATH) || 0 == ::lstrlen(szExePath)) {
::MessageBox(0, "GetModuleFileName() - fail", "xassert - system message", MB_ICONERROR | MB_OK);
return;
}
//-------------------------------------
//путь к имя exe-шника
TCHAR szExeName[MAX_PATH]; ::ZeroMemory(szExeName, sizeof(szExeName));
_splitpath(szExePath, NULL, NULL, szExeName, NULL);
if (NULL == szExeName || 0 == ::lstrlen(szExeName)) {
::MessageBox(0, "_splitpath() - fail", "xassert - system message", MB_ICONERROR | MB_OK);
return;
}
//-------------------------------------
//форматируем GetLastError()
LPVOID lpMsgBuf = NULL;
::FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
ulLastError,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), //язык по умолчанию
(LPSTR)&lpMsgBuf,
0,
NULL);
if (NULL == lpMsgBuf || 0 == ::lstrlen((LPSTR)lpMsgBuf)) {
::MessageBox(0, "FormatMessage() - fail", "xassert - system message", MB_ICONERROR | MB_OK);
return;
}
//-------------------------------------
//форматиркем сообщение
const unsigned int cuiMsgSize = 2024;
TCHAR szMsg[cuiMsgSize]; ::ZeroMemory(szMsg, sizeof(szMsg));
::wsprintf(szMsg,
"%s\n\n"
"%s: %s\n"
"%s: %s\n"
"%s: %i\n"
"%s: %s\n"
"%s: %s\n"
"%s: %s" /*здесь типа \n не надо*/
"%s: %s",
"Assertion failed.",
"Program", sMinimizeName(szExePath, 75).c_str(),
"File", sMinimizeName(pcszFile, 75).c_str(),
"Line", ulLine,
"Function", pcszFunc,
"Expression", pcszExp,
"GetLastError()", (LPSTR)lpMsgBuf,
"Comment", pcszComment
);
if (NULL == szMsg || 0 == ::lstrlen(szMsg)) {
::MessageBox(0, "wsprintf() - fail", "xassert - system message", MB_ICONERROR | MB_OK);
return;
}
if (NULL != lpMsgBuf) {
::LocalFree(lpMsgBuf); lpMsgBuf = NULL;
}
//-------------------------------------
//выводим MessageBox
int iRes = ::MessageBox(NULL, szMsg, szExeName, MB_ABORTRETRYIGNORE | MB_ICONSTOP);
switch (iRes) {
case IDABORT: {
exit(- 1);
break;
}
case IDRETRY: {
_asm {
int 3
}
break;
}
case IDIGNORE: {
break;
}
}
}
//---------------------------------------------------------------------------
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Использование: | Код |
#include "xassert.h"
char *pTest = NULL;
XASSERT (NULL != pTest);
XASSERT_EX(NULL != pTest, "нулевой поинтер");
|
| Код |
Результат:
---------------------------
ConsoleTest
---------------------------
Assertion failed.
Program: f:\...\_MyProjects\MyVC++\Projects\xassert\Project\Debug\ConsoleTest.exe
File: f:\mycd\!!!!!!!!\_myprojects\myvc++\projects\xassert\project\umain.cpp
Line: 36
Function: main
Expression: NULL != pTest
GetLastError(): Операция успешно завершена.
Comment:
---------------------------
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---------------------------
---------------------------
ConsoleTest
---------------------------
Assertion failed.
Program: f:\...\_MyProjects\MyVC++\Projects\xassert\Project\Debug\ConsoleTest.exe
File: f:\mycd\!!!!!!!!\_myprojects\myvc++\projects\xassert\project\umain.cpp
Line: 37
Function: main
Expression: NULL != pTest
GetLastError(): Операция успешно завершена.
Comment: нулевой поинтер
---------------------------
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---------------------------
|
xassert.zip 0,47 Kb |
Свой assert, C++Builder 6.0 и Visual C++ 2008 
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