wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-09-08 16:58:38 +09:00
Code Issues Projects Releases Packages Wiki Activity

Issue #1442 - Part 16 - Report stream errors during consumption. https://bugzilla.mozilla.org/show_bug.cgi?id=1128959

Browse source
This commit is contained in:
Brian Smith 2023-09-28 21:18:27 -05:00 • committed by roytam1
commit 529bc13f05
6 changed files with 139 additions and 77 deletions
Download patch file Download diff file Expand all files Collapse all files

71
dom/base/nsContentUtils.cpp
View file

@ -39,6 +39,8 @@
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/CustomElementRegistry.h"
#include "mozilla/dom/DocumentFragment.h"
#include "mozilla/dom/DOMException.h"
#include "mozilla/dom/DOMExceptionBinding.h"
#include "mozilla/dom/DOMTypes.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/FileSystemSecurity.h"
@ -10081,3 +10083,72 @@ void nsContentUtils::StructuredClone(JSContext* aCx,
nsTArray<RefPtr<MessagePort>> ports = holder.TakeTransferredPorts();
Unused << ports;
}
/* static */ void
nsContentUtils::ExtractErrorValues(JSContext* aCx,
JS::Handle<JS::Value> aValue,
nsACString& aSourceSpecOut,
uint32_t* aLineOut,
uint32_t* aColumnOut,
nsString& aMessageOut)
{
MOZ_ASSERT(aLineOut);
MOZ_ASSERT(aColumnOut);
if (aValue.isObject()) {
JS::Rooted<JSObject*> obj(aCx, &aValue.toObject());
RefPtr<dom::DOMException> domException;
// Try to process as an Error object. Use the file/line/column values
// from the Error as they will be more specific to the root cause of
// the problem.
JSErrorReport* err = obj ? JS_ErrorFromException(aCx, obj) : nullptr;
if (err) {
// Use xpc to extract the error message only. We don't actually send
// this report anywhere.
RefPtr<xpc::ErrorReport> report = new xpc::ErrorReport();
report->Init(err,
"<unknown>", // toString result
false, // chrome
0); // window ID
if (!report->mFileName.IsEmpty()) {
CopyUTF16toUTF8(report->mFileName, aSourceSpecOut);
*aLineOut = report->mLineNumber;
*aColumnOut = report->mColumn;
}
aMessageOut.Assign(report->mErrorMsg);
}
// Next, try to unwrap the rejection value as a DOMException.
else if(NS_SUCCEEDED(UNWRAP_OBJECT(DOMException, obj, domException))) {
nsAutoString filename;
domException->GetFilename(aCx, filename);
if (!filename.IsEmpty()) {
CopyUTF16toUTF8(filename, aSourceSpecOut);
*aLineOut = domException->LineNumber(aCx);
*aColumnOut = domException->ColumnNumber();
}
domException->GetName(aMessageOut);
aMessageOut.AppendLiteral(": ");
nsAutoString message;
domException->GetMessageMoz(message);
aMessageOut.Append(message);
}
}
// If we could not unwrap a specific error type, then perform default safe
// string conversions on primitives. Objects will result in "[Object]"
// unfortunately.
if (aMessageOut.IsEmpty()) {
nsAutoJSString jsString;
if (jsString.init(aCx, aValue)) {
aMessageOut = jsString;
} else {
JS_ClearPendingException(aCx);
}
}
}