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Code Issues Releases Activity

Clarified ifdef magic in crash handling

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This commit is contained in:
Ivan Savenko
2025-01-01 20:58:30 +00:00
parent 33daf5c199
commit 657b97202b
1 changed files with 56 additions and 62 deletions
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118
lib/CConsoleHandler.cpp
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@@ -23,6 +23,15 @@ DLL_LINKAGE CConsoleHandler * console = nullptr;
VCMI_LIB_NAMESPACE_END
#if defined(NDEBUG) && !defined(VCMI_ANDROID)
#define USE_ON_TERMINATE
#endif
#if defined(NDEBUG) && defined(VCMI_WINDOWS)
#define USE_UNHANDLED_EXCEPTION_FILTER
#define CREATE_MEMORY_DUMP
#endif
#ifndef VCMI_WINDOWS
using TColor = std::string;
#define CONSOLE_GREEN "\x1b[1;32m"
@@ -57,59 +66,7 @@ static TColor defColor;
VCMI_LIB_NAMESPACE_BEGIN
#ifdef VCMI_WINDOWS
void printWinError()
{
//Get error code
int error = GetLastError();
if(!error)
{
logGlobal->error("No Win error information set.");
return;
}
logGlobal->error("Error %d encountered:", error);
//Get error description
char* pTemp = nullptr;
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
nullptr, error, MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT ), (LPSTR)&pTemp, 1, nullptr);
logGlobal->error(pTemp);
LocalFree( pTemp );
}
const char* exceptionName(DWORD exc)
{
#define EXC_CASE(EXC) case EXCEPTION_##EXC : return "EXCEPTION_" #EXC
switch (exc)
{
EXC_CASE(ACCESS_VIOLATION);
EXC_CASE(DATATYPE_MISALIGNMENT);
EXC_CASE(BREAKPOINT);
EXC_CASE(SINGLE_STEP);
EXC_CASE(ARRAY_BOUNDS_EXCEEDED);
EXC_CASE(FLT_DENORMAL_OPERAND);
EXC_CASE(FLT_DIVIDE_BY_ZERO);
EXC_CASE(FLT_INEXACT_RESULT);
EXC_CASE(FLT_INVALID_OPERATION);
EXC_CASE(FLT_OVERFLOW);
EXC_CASE(FLT_STACK_CHECK);
EXC_CASE(FLT_UNDERFLOW);
EXC_CASE(INT_DIVIDE_BY_ZERO);
EXC_CASE(INT_OVERFLOW);
EXC_CASE(PRIV_INSTRUCTION);
EXC_CASE(IN_PAGE_ERROR);
EXC_CASE(ILLEGAL_INSTRUCTION);
EXC_CASE(NONCONTINUABLE_EXCEPTION);
EXC_CASE(STACK_OVERFLOW);
EXC_CASE(INVALID_DISPOSITION);
EXC_CASE(GUARD_PAGE);
EXC_CASE(INVALID_HANDLE);
default:
return "UNKNOWN EXCEPTION";
}
#undef EXC_CASE
}
#ifdef CREATE_MEMORY_DUMP
static void createMemoryDump(MINIDUMP_EXCEPTION_INFORMATION * meinfo)
{
@@ -144,6 +101,42 @@ static void createMemoryDump(MINIDUMP_EXCEPTION_INFORMATION * meinfo)
MessageBoxA(0, "VCMI has crashed. We are sorry. File with information about encountered problem has been created.", "VCMI Crashhandler", MB_OK | MB_ICONERROR);
}
#endif
#ifdef USE_UNHANDLED_EXCEPTION_FILTER
const char* exceptionName(DWORD exc)
{
#define EXC_CASE(EXC) case EXCEPTION_##EXC : return "EXCEPTION_" #EXC
switch (exc)
{
EXC_CASE(ACCESS_VIOLATION);
EXC_CASE(DATATYPE_MISALIGNMENT);
EXC_CASE(BREAKPOINT);
EXC_CASE(SINGLE_STEP);
EXC_CASE(ARRAY_BOUNDS_EXCEEDED);
EXC_CASE(FLT_DENORMAL_OPERAND);
EXC_CASE(FLT_DIVIDE_BY_ZERO);
EXC_CASE(FLT_INEXACT_RESULT);
EXC_CASE(FLT_INVALID_OPERATION);
EXC_CASE(FLT_OVERFLOW);
EXC_CASE(FLT_STACK_CHECK);
EXC_CASE(FLT_UNDERFLOW);
EXC_CASE(INT_DIVIDE_BY_ZERO);
EXC_CASE(INT_OVERFLOW);
EXC_CASE(PRIV_INSTRUCTION);
EXC_CASE(IN_PAGE_ERROR);
EXC_CASE(ILLEGAL_INSTRUCTION);
EXC_CASE(NONCONTINUABLE_EXCEPTION);
EXC_CASE(STACK_OVERFLOW);
EXC_CASE(INVALID_DISPOSITION);
EXC_CASE(GUARD_PAGE);
EXC_CASE(INVALID_HANDLE);
default:
return "UNKNOWN EXCEPTION";
}
#undef EXC_CASE
}
LONG WINAPI onUnhandledException(EXCEPTION_POINTERS* exception)
{
logGlobal->error("Disaster happened.");
@@ -161,14 +154,15 @@ LONG WINAPI onUnhandledException(EXCEPTION_POINTERS* exception)
//exception info to be placed in the dump
MINIDUMP_EXCEPTION_INFORMATION meinfo = {threadId, exception, TRUE};
#ifdef CREATE_MEMORY_DUMP
createMemoryDump(&meinfo);
#endif
return EXCEPTION_EXECUTE_HANDLER;
}
#endif
#ifdef NDEBUG
#ifdef USE_ON_TERMINATE
[[noreturn]] static void onTerminate()
{
logGlobal->error("Disaster happened.");
@@ -198,7 +192,7 @@ LONG WINAPI onUnhandledException(EXCEPTION_POINTERS* exception)
stream << boost::stacktrace::stacktrace();
logGlobal->error("%s", stream.str());
#ifdef VCMI_WINDOWS
#ifdef CREATE_MEMORY_DUMP
const DWORD threadId = ::GetCurrentThreadId();
logGlobal->error("Thread ID: %d", threadId);
@@ -298,19 +292,19 @@ CConsoleHandler::CConsoleHandler():
GetConsoleScreenBufferInfo(handleErr, &csbi);
defErrColor = csbi.wAttributes;
#ifdef NDEBUG
#ifndef VCMI_ANDROID
SetUnhandledExceptionFilter(onUnhandledException);
#endif
#endif
#else
defColor = "\x1b[0m";
#endif
#ifdef NDEBUG
#ifdef USE_UNHANDLED_EXCEPTION_FILTER
SetUnhandledExceptionFilter(onUnhandledException);
#endif
#ifdef USE_ON_TERMINATE
std::set_terminate(onTerminate);
#endif
}
CConsoleHandler::~CConsoleHandler()
{
logGlobal->info("Killing console...");