132 lines
2.9 KiB
C++
132 lines
2.9 KiB
C++
// 25 february 2015
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#include "uipriv_windows.hpp"
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// TODO
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void complain(const char *format, ...)
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{
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OutputDebugStringA(format);
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DebugBreak();
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abort();
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}
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// TODO disable logging and stopping on no-debug builds
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// TODO are the newlines needed?
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static void printDebug(const WCHAR *msg)
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{
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OutputDebugStringW(msg);
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}
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#define debugfmt L"%s:%s:%s()"
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HRESULT _logLastError(debugargs, const WCHAR *s)
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{
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DWORD le;
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WCHAR *msg;
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WCHAR *formatted;
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BOOL useFormatted;
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le = GetLastError();
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useFormatted = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, le, 0, (LPWSTR) (&formatted), 0, NULL) != 0;
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if (!useFormatted)
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formatted = L"\n";
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msg = debugstrf(L"[libui] " debugfmt L" %s: GetLastError() == %I32u %s",
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file, line, func,
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s, le, formatted);
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if (useFormatted)
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LocalFree(formatted); // ignore error
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if (msg == NULL) {
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printDebug(L"[libui] (debugstrf() failed; printing raw) ");
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printDebug(file);
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printDebug(func);
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printDebug(s);
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printDebug(L"\n");
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} else {
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printDebug(msg);
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uiFree(msg);
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}
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DebugBreak();
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SetLastError(le);
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// a function does not have to set a last error
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// if the last error we get is actually 0, then HRESULT_FROM_WIN32(0) will return S_OK (0 cast to an HRESULT, since 0 <= 0), which we don't want
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// prevent this by returning E_FAIL
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if (le == 0)
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return E_FAIL;
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return HRESULT_FROM_WIN32(le);
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}
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HRESULT _logHRESULT(debugargs, const WCHAR *s, HRESULT hr)
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{
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DWORD le;
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WCHAR *msg;
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WCHAR *formatted;
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BOOL useFormatted;
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useFormatted = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, hr, 0, (LPWSTR) (&formatted), 0, NULL) != 0;
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if (!useFormatted)
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formatted = L"\n";
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msg = debugstrf(L"[libui] " debugfmt L" %s: HRESULT == 0x%08I32X %s",
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file, line, func,
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s, hr, formatted);
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if (useFormatted)
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LocalFree(formatted); // ignore error
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if (msg == NULL) {
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printDebug(L"[libui] (debugstrf() failed; printing raw) ");
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printDebug(file);
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printDebug(func);
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printDebug(s);
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printDebug(L"\n");
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} else {
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printDebug(msg);
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uiFree(msg);
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}
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DebugBreak();
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return hr;
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}
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#define implbugmsg L"either you have or libui has a bug in a control implementation; if libui does, contact andlabs"
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void _implbug(debugargs, const WCHAR *format, ...)
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{
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va_list ap;
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WCHAR *formatted;
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WCHAR *full;
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const WCHAR *onerr;
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va_start(ap, format);
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formatted = debugvstrf(format, ap);
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va_end(ap);
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if (formatted == NULL) {
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onerr = format;
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goto bad;
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}
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full = debugstrf(L"[libui] " debugfmt L" " implbugmsg L" — %s\n",
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file, line, func,
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formatted);
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if (full == NULL) {
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onerr = formatted;
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goto bad;
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}
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printDebug(full);
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uiFree(full);
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uiFree(formatted);
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goto after;
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bad:
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printDebug(L"[libui] (debugstrf() failed; printing raw) ");
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printDebug(implbugmsg);
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printDebug(file);
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printDebug(func);
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printDebug(onerr);
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printDebug(L"\n");
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after:
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DebugBreak();
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abort();
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}
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