const char *appSymbolName(address_t addr)
{
static char buf[256];
#if USE_DBGHELP
if (appSymbolName(addr, ARRAY_ARG(buf)))
return buf;
#endif
#if GET_EXTENDED_INFO
HMODULE hModule = NULL;
char moduleName[256];
char *s;
MEMORY_BASIC_INFORMATION mbi;
if (!VirtualQuery((void*)addr, &mbi, sizeof(mbi)))
goto simple;
if (!(hModule = (HMODULE)mbi.AllocationBase))
goto simple;
if (!GetModuleFileName(hModule, ARRAY_ARG(moduleName)))
goto simple;
// if (s = strrchr(moduleName, '.')) // cut extension
// *s = 0;
if (s = strrchr(moduleName, '\\'))
strcpy(moduleName, s+1); // remove "path\" part
appSprintf(ARRAY_ARG(buf), "%s+0x%X", moduleName, (int)(addr - (size_t)hModule));
return buf;
#endif // GET_EXTENDED_INFO
simple:
appSprintf(ARRAY_ARG(buf), "%08X", addr);
return buf;
}
// Display the information in one exception frame, along with its scopetable
static void ShowSEHFrame(VC_EXCEPTION_REGISTRATION * pVCExcRec)
{
// note: handler may be inside kernel, and it will not use VC_EXCEPTION_REGISTRATION structures!
bool isCpp = pVCExcRec->handler == _except_handler3;
printf("Frame: %08X Handler: %s Prev: %08X", pVCExcRec, appSymbolName((address_t)pVCExcRec->handler), pVCExcRec->prev);
if (isCpp) printf(" Scopetable: %08X [%d]", pVCExcRec->scopetable, pVCExcRec->trylevel);
printf("\n");
if (!isCpp) return;
scopetable_entry *pScopeTableEntry = pVCExcRec->scopetable;
for (int i = 0; i <= pVCExcRec->trylevel; i++, pScopeTableEntry++)
{
char filter[256], handler[256];
strcpy(filter, appSymbolName((address_t)pScopeTableEntry->lpfnFilter));
strcpy(handler, appSymbolName((address_t)pScopeTableEntry->lpfnHandler));
printf(" scopetable[%i] PrevTryLevel: %08X filter: %s __except: %s\n", i, pScopeTableEntry->previousTryLevel, filter, handler);
}
}
void appDumpStackTrace(const address_t* buffer, int depth)
{
for (int i = 0; i < depth; i++)
{
if (!buffer[i]) break;
const char *symbol = appSymbolName(buffer[i]);
appPrintf(" %s\n", symbol);
}
}
void CCommandCompletion::RegisterWorker(CCmdCompletorWorker &worker)
{
for (int i = 0; i < ARRAY_COUNT(workers); i++)
{
if (workers[i] == &worker) return; // already registered
if (!workers[i])
{
// register worker
workers[i] = &worker;
return;
}
}
//!! check this:
appWPrintf("Cannot register completor: \"%s\"\n", appSymbolName((address_t)&worker));
}
int appSprintf(char *dest, int size, const char *fmt, ...)
{
guardSlow(appSprintf);
va_list argptr;
va_start(argptr, fmt);
int len = vsnprintf(dest, size, fmt, argptr);
va_end(argptr);
if (len < 0 || len >= size - 1)
appWPrintf("appSprintf: overflow of %d (called by \"%s\")\n", size, appSymbolName(GET_RETADDR(dest)));
return len;
unguardSlow;
}
