OBJECT ParameterCheck(OBJECT x, OBJECT env)
{ OBJECT link, y, res, prnt_env, par, prnt;
debug2(DCE, DD, "ParameterCheck(%s, %s)", EchoObject(x), EchoObject(env));
assert( type(x) == CLOSURE, "ParameterCheck given non-CLOSURE!");
/* case x is a parameter */
prnt = SearchEnv(env, enclosing(actual(x)));
if( prnt == nilobj )
{ debug0(DCE, DD, "ParameterCheck returning nilobj (prnt fail)");
return nilobj;
}
prnt_env = GetEnv(prnt);
for( link = Down(prnt); link != prnt; link = NextDown(link) )
{ Child(par, link);
if( type(par) == PAR && actual(par) == actual(x) )
{ assert( Down(par) != par, "ParameterCheck: Down(par)!");
Child(y, Down(par));
res = is_word(type(y)) ? CopyObject(y, no_fpos) : nilobj;
debug1(DCE, DD, " ParameterCheck returning %s", EchoObject(res));
return res;
}
}
/* case x is a default parameter */
y = sym_body(actual(x));
if( y == nilobj )
{ res = nilobj;
}
else if( is_word(type(y)) )
{ res = CopyObject(y, &fpos(y));
}
else if( type(y) == CLOSURE && is_par(type(actual(y))) )
{ res = ParameterCheck(y, prnt_env);
}
else
{ res = nilobj;
}
debug1(DCE, DD, "ParameterCheck returning %s", EchoObject(res));
return res;
} /* end ParameterCheck */
int _tmain(int argc, _TCHAR* argv[])
{
UINT loop_times = 0;
BOOL loop_endless = FALSE;
DWORD ms_between_loop = 0;
BOOL enable_logs = FALSE;
TCHAR command[CMD_BUF_SIZE] = {0};
if ( ParameterCheck(argc, argv, loop_times, ms_between_loop, enable_logs, command, CMD_BUF_SIZE) )
{
loop_endless = ( 0 == loop_times );
}
else
{
PrintUsage(argv[0]);
return 1;
}
HANDLE hLogFile = INVALID_HANDLE_VALUE;
if( TRUE == enable_logs)
{
SYSTEMTIME st;
GetSystemTime(&st);
TCHAR logFileName[MAX_PATH] = {0};
_stprintf_s(logFileName, MAX_PATH - 1, _T("loop_trace_%04d%02d%02d-%d-%02d%02d%02d-%03d.log"),
st.wYear,st.wMonth,st.wDay,st.wDayOfWeek,st.wHour,st.wMinute,st.wSecond,st.wMilliseconds);
dbgtprintf(logFileName);
dbgtprintf(L"\n");
hLogFile = CreateFile(logFileName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
NULL);
if(INVALID_HANDLE_VALUE == hLogFile)
{
_tprintf(_T("Failed to Create Log File, st = 0x%x\n"), GetLastError());
return 1;
}
else
{
dbgtprintf(TEXT("OK to CreateFile.\n"));
}
}
while( loop_endless || loop_times > 0 )
{
if(!loop_endless)
{
--loop_times;
}
CHAR printedCommand[CMD_BUF_SIZE] = {0};
sprintf_s(printedCommand, CMD_BUF_SIZE - 1, "\n-> %S\n\n",
command + _tcsnlen(BASE_CMD, CMD_BUF_SIZE) + 1);
printf(printedCommand);
if (INVALID_HANDLE_VALUE != hLogFile)
{
DWORD dwToWrite = sizeof(CHAR) * strnlen(printedCommand, CMD_BUF_SIZE);
DWORD dwWritten = 0;
BOOL bWrite = WriteFile( hLogFile,
printedCommand,
dwToWrite,
&dwWritten,
NULL);
if(!bWrite)
{
_tprintf(_T("Write to log file error, st=0x%x\n"), GetLastError());
assert(false);
}
assert(dwToWrite == dwWritten);
}
ExecuteCommand(command, CMD_BUF_SIZE, enable_logs, hLogFile);
Sleep(ms_between_loop);
}
if (INVALID_HANDLE_VALUE != hLogFile)
{
CloseHandle(hLogFile);
}
return 0;
}