void
LWRaise(
LWException** dest,
DWORD code
)
{
DWORD ceError;
char *shortMsg;
char *longMsg;
const char* desc = LwWin32ExtErrorToName(code);
const char* help = LwWin32ExtErrorToDescription(code);
if (!desc)
{
shortMsg = "Undocumented exception";
}
if ((ceError = CTAllocateString(desc, &shortMsg)))
{
*dest = CreateException(ceError, __FILE__, __LINE__, NULL, NULL);
return;
}
if (!help)
{
longMsg = "An undocumented exception has occurred. Please contact Likewise technical support and use the error code to identify this exception.";
}
if ((ceError = CTAllocateString(help, &longMsg)))
{
*dest = CreateException(ceError, __FILE__, __LINE__, NULL, NULL);
return;
}
*dest = CreateException(code, NULL, 0, shortMsg, longMsg);
}
void testThrowFunc() {
throw new logic_error("by pointer");
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: throw expression throws a pointer; it should throw a non-pointer value instead [misc-throw-by-value-catch-by-reference]
logic_ptr tmp = new logic_error("by pointer");
throw tmp;
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: throw expression should throw anonymous temporary values instead [misc-throw-by-value-catch-by-reference]
// CHECK-MESSAGES: :[[@LINE-2]]:9: warning: throw expression throws a pointer; it should throw a non-pointer value instead [misc-throw-by-value-catch-by-reference]
throw logic_error("by value");
auto *literal = "test";
throw logic_error(literal);
throw "test string literal";
throw L"throw wide string literal";
const char *characters = 0;
throw characters;
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: throw expression should throw anonymous temporary values instead [misc-throw-by-value-catch-by-reference]
// CHECK-MESSAGES: :[[@LINE-2]]:9: warning: throw expression throws a pointer; it should throw a non-pointer value instead [misc-throw-by-value-catch-by-reference]
logic_error lvalue("lvalue");
throw lvalue;
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: throw expression should throw anonymous temporary values instead [misc-throw-by-value-catch-by-reference]
throw move(lvalue);
int &ex = lastException;
throw ex;
// CHECK-MESSAGES: :[[@LINE-1]]:9: warning: throw expression should throw anonymous temporary values instead [misc-throw-by-value-catch-by-reference]
throw CreateException();
}
void
LWReraiseEx(
LWException** dest,
LWException** src,
const char* file,
unsigned int line
)
{
if (dest)
{
LWStackFrame* down = malloc(sizeof(*down));
if (!down)
{
LWHandle(src);
*dest = CreateException(ERROR_OUTOFMEMORY, file, line, NULL, NULL);
}
else
{
*dest = *src;
*src = NULL;
*down = (*dest)->stack;
(*dest)->stack.file = file;
(*dest)->stack.line = line;
(*dest)->stack.down = down;
}
}
else
{
LWHandle(src);
}
}
bool
ToJSValue(JSContext* aCx,
nsresult aArgument,
JS::MutableHandle<JS::Value> aValue)
{
RefPtr<Exception> exception = CreateException(aCx, aArgument);
return ToJSValue(aCx, exception, aValue);
}
bool
Throw(JSContext* aCx, nsresult aRv, const nsACString& aMessage)
{
if (aRv == NS_ERROR_UNCATCHABLE_EXCEPTION) {
// Nuke any existing exception on aCx, to make sure we're uncatchable.
JS_ClearPendingException(aCx);
return false;
}
if (JS_IsExceptionPending(aCx)) {
// Don't clobber the existing exception.
return false;
}
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
nsCOMPtr<nsIException> existingException = runtime->GetPendingException();
// Make sure to clear the pending exception now. Either we're going to reuse
// it (and we already grabbed it), or we plan to throw something else and this
// pending exception is no longer relevant.
runtime->SetPendingException(nullptr);
// Ignore the pending exception if we have a non-default message passed in.
if (aMessage.IsEmpty() && existingException) {
nsresult nr;
if (NS_SUCCEEDED(existingException->GetResult(&nr)) &&
aRv == nr) {
// Reuse the existing exception.
if (!ThrowExceptionObject(aCx, existingException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
}
RefPtr<Exception> finalException = CreateException(aCx, aRv, aMessage);
MOZ_ASSERT(finalException);
if (!ThrowExceptionObject(aCx, finalException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
bool
Throw(JSContext* aCx, nsresult aRv, const char* aMessage)
{
if (aRv == NS_ERROR_UNCATCHABLE_EXCEPTION) {
// Nuke any existing exception on aCx, to make sure we're uncatchable.
JS_ClearPendingException(aCx);
return false;
}
if (JS_IsExceptionPending(aCx)) {
// Don't clobber the existing exception.
return false;
}
CycleCollectedJSRuntime* runtime = CycleCollectedJSRuntime::Get();
nsCOMPtr<nsIException> existingException = runtime->GetPendingException();
if (existingException) {
nsresult nr;
if (NS_SUCCEEDED(existingException->GetResult(&nr)) &&
aRv == nr) {
// Reuse the existing exception.
// Clear pending exception
runtime->SetPendingException(nullptr);
if (!ThrowExceptionObject(aCx, existingException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
}
nsRefPtr<Exception> finalException = CreateException(aCx, aRv, aMessage);
MOZ_ASSERT(finalException);
if (!ThrowExceptionObject(aCx, finalException)) {
// If we weren't able to throw an exception we're
// most likely out of memory
JS_ReportOutOfMemory(aCx);
}
return false;
}
BOOL SearchElementVisitor::CompareHrefAndSrc(IHTMLElement* pElement, const String& sElementUrl, const String& sCompareToUrl)
{
ATLASSERT(pElement != NULL);
/////////////////////////////////////////////////////////////////////////////////////////////////
// Step One: compare the links directly.
if (sElementUrl == sCompareToUrl)
{
return TRUE;
}
/////////////////////////////////////////////////////////////////////////////////////////////////
// Step Two: extract the file name from the element url and compare against the value coming from the script.
// Get the document of the element.
CComQIPtr<IDispatch> spDisp;
HRESULT hRes = pElement->get_document(&spDisp);
CComQIPtr<IHTMLDocument2> spDocument = spDisp;
if (spDocument == NULL)
{
throw CreateException(_T("Can not get the document in HtmlHelpers::CompareHrefAndSrc"));
}
// Create a new <A> tag.
CComQIPtr<IHTMLElement> spNewElement;
hRes = spDocument->createElement(CComBSTR("a"), &spNewElement);
if (FAILED(hRes))
{
throw CreateException(_T("Can not create a new element in HtmlHelpers::CompareHrefAndSrc"));
}
// Set the href attribute in the newly created anchor element.
hRes = spNewElement->setAttribute(CComBSTR("href"), CComVariant(sElementUrl.c_str()), 0);
if (FAILED(hRes))
{
throw CreateException(_T("Can not set the href in the html element in HtmlHelpers::CompareHrefAndSrc"));
}
CComQIPtr<IHTMLAnchorElement> spAnchor = spNewElement;
if (spAnchor == NULL)
{
throw CreateException(_T("Query for IHTMLAnchorElement failed in HtmlHelpers::CompareHrefAndSrc"));
}
CComBSTR bstrFileName;
hRes = spAnchor->get_nameProp(&bstrFileName);
if (FAILED(hRes) || (bstrFileName == NULL))
{
throw CreateException(_T("IHTMLAnchorElement::get_nameProp failed in HtmlHelpers::CompareHrefAndSrc"));
}
USES_CONVERSION;
if (Common::MatchWildcardPattern(W2T(bstrFileName), sCompareToUrl.c_str()))
{
// sCompareToUrl is the file name.
return TRUE;
}
return FALSE;
}
void
LWRaiseEx(
LWException** dest,
DWORD code,
const char* file,
unsigned int line,
const char* _shortMsg,
const char* fmt,
...
)
{
if (dest)
{
DWORD ceError;
char* shortMsg;
char* longMsg;
va_list ap;
va_start(ap, fmt);
if (!_shortMsg)
{
_shortMsg = LwWin32ExtErrorToName(code);
}
if (!_shortMsg)
{
_shortMsg = "Undocumented exception";
}
if (!fmt)
{
fmt = LwWin32ExtErrorToDescription(code);
}
if (!fmt)
{
fmt = "An undocumented exception has occurred. Please contact Likewise technical support and use the error code to identify this exception.";
}
if (_shortMsg)
{
if ((ceError = CTAllocateString(_shortMsg, &shortMsg)))
{
*dest = CreateException(ceError, __FILE__, __LINE__, NULL, NULL);
return;
}
}
else
{
shortMsg = NULL;
}
if (fmt)
{
if ((ceError = CTAllocateStringPrintfV(&longMsg, fmt, ap)))
{
CTFreeString(shortMsg);
*dest = CreateException(ceError, __FILE__, __LINE__, NULL, NULL);
return;
}
}
else
{
longMsg = NULL;
}
*dest = CreateException(code, file, line, shortMsg, longMsg);
}
}
