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1283712 - Part 6: Add xpc::ErrorBase, xpc::ErrorNote, and xpc::ErrorReport.mNotes.

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This commit is contained in:
Gaming4JC 2019-06-09 14:44:37 -04:00 • committed by Roy Tam
commit 0982e6f95b
2 changed files with 142 additions and 42 deletions
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126
js/xpconnect/src/nsXPConnect.cpp
View file

@ -169,10 +169,32 @@ nsXPConnect::IsISupportsDescendant(nsIInterfaceInfo* info)
return found;
}
void
xpc::ErrorBase::Init(JSErrorBase* aReport)
{
if (!aReport->filename) {
mFileName.SetIsVoid(true);
} else {
mFileName.AssignWithConversion(aReport->filename);
}
mLineNumber = aReport->lineno;
mColumn = aReport->column;
}
void
xpc::ErrorNote::Init(JSErrorNotes::Note* aNote)
{
xpc::ErrorBase::Init(aNote);
ErrorNoteToMessageString(aNote, mErrorMsg);
}
void
xpc::ErrorReport::Init(JSErrorReport* aReport, const char* aToStringResult,
bool aIsChrome, uint64_t aWindowID)
{
xpc::ErrorBase::Init(aReport);
mCategory = aIsChrome ? NS_LITERAL_CSTRING("chrome javascript")
: NS_LITERAL_CSTRING("content javascript");
mWindowID = aWindowID;
@ -182,12 +204,6 @@ xpc::ErrorReport::Init(JSErrorReport* aReport, const char* aToStringResult,
AppendUTF8toUTF16(aToStringResult, mErrorMsg);
}
if (!aReport->filename) {
mFileName.SetIsVoid(true);
} else {
mFileName.AssignWithConversion(aReport->filename);
}
mSourceLine.Assign(aReport->linebuf(), aReport->linebufLength());
const JSErrorFormatString* efs = js::GetErrorMessage(nullptr, aReport->errorNumber);
@ -197,10 +213,20 @@ xpc::ErrorReport::Init(JSErrorReport* aReport, const char* aToStringResult,
mErrorMsgName.AssignASCII(efs->name);
}
mLineNumber = aReport->lineno;
mColumn = aReport->column;
mFlags = aReport->flags;
mIsMuted = aReport->isMuted;
if (aReport->notes) {
if (!mNotes.SetLength(aReport->notes->length(), fallible)) {
return;
}
size_t i = 0;
for (auto&& note : *aReport->notes) {
mNotes.ElementAt(i).Init(note.get());
i++;
}
}
}
void
@ -225,6 +251,59 @@ xpc::ErrorReport::Init(JSContext* aCx, mozilla::dom::Exception* aException,
static LazyLogModule gJSDiagnostics("JSDiagnostics");
void
xpc::ErrorBase::AppendErrorDetailsTo(nsCString& error)
{
error.Append(NS_LossyConvertUTF16toASCII(mFileName));
error.AppendLiteral(", line ");
error.AppendInt(mLineNumber, 10);
error.AppendLiteral(": ");
error.Append(NS_LossyConvertUTF16toASCII(mErrorMsg));
}
void
xpc::ErrorNote::LogToStderr()
{
if (!nsContentUtils::DOMWindowDumpEnabled()) {
return;
}
nsAutoCString error;
error.AssignLiteral("JavaScript note: ");
AppendErrorDetailsTo(error);
fprintf(stderr, "%s\n", error.get());
fflush(stderr);
}
void
xpc::ErrorReport::LogToStderr()
{
if (!nsContentUtils::DOMWindowDumpEnabled()) {
return;
}
nsAutoCString error;
error.AssignLiteral("JavaScript ");
if (JSREPORT_IS_STRICT(mFlags)) {
error.AppendLiteral("strict ");
}
if (JSREPORT_IS_WARNING(mFlags)) {
error.AppendLiteral("warning: ");
} else {
error.AppendLiteral("error: ");
}
AppendErrorDetailsTo(error);
fprintf(stderr, "%s\n", error.get());
fflush(stderr);
for (size_t i = 0, len = mNotes.Length(); i < len; i++) {
ErrorNote& note = mNotes[i];
note.LogToStderr();
}
}
void
xpc::ErrorReport::LogToConsole()
{
@ -233,25 +312,7 @@ xpc::ErrorReport::LogToConsole()
void
xpc::ErrorReport::LogToConsoleWithStack(JS::HandleObject aStack)
{
// Log to stdout.
if (nsContentUtils::DOMWindowDumpEnabled()) {
nsAutoCString error;
error.AssignLiteral("JavaScript ");
if (JSREPORT_IS_STRICT(mFlags))
error.AppendLiteral("strict ");
if (JSREPORT_IS_WARNING(mFlags))
error.AppendLiteral("warning: ");
else
error.AppendLiteral("error: ");
error.Append(NS_LossyConvertUTF16toASCII(mFileName));
error.AppendLiteral(", line ");
error.AppendInt(mLineNumber, 10);
error.AppendLiteral(": ");
error.Append(NS_LossyConvertUTF16toASCII(mErrorMsg));
fprintf(stderr, "%s\n", error.get());
fflush(stderr);
}
LogToStderr();
MOZ_LOG(gJSDiagnostics,
JSREPORT_IS_WARNING(mFlags) ? LogLevel::Warning : LogLevel::Error,
@ -285,6 +346,17 @@ xpc::ErrorReport::LogToConsoleWithStack(JS::HandleObject aStack)
}
/* static */
void
xpc::ErrorNote::ErrorNoteToMessageString(JSErrorNotes::Note* aNote,
nsAString& aString)
{
aString.Truncate();
if (aNote->message()) {
aString.Append(NS_ConvertUTF8toUTF16(aNote->message().c_str()));
}
}
/* static */
void
xpc::ErrorReport::ErrorReportToMessageString(JSErrorReport* aReport,

58
js/xpconnect/src/xpcpublic.h
View file

@ -515,13 +515,50 @@ AllowCPOWsInAddon(const nsACString& addonId, bool allow);
bool
ExtraWarningsForSystemJS();
class ErrorReport {
class ErrorBase {
public:
nsString mErrorMsg;
nsString mFileName;
uint32_t mLineNumber;
uint32_t mColumn;
ErrorBase() : mLineNumber(0)
, mColumn(0)
{}
void Init(JSErrorBase* aReport);
void AppendErrorDetailsTo(nsCString& error);
};
class ErrorNote : public ErrorBase {
public:
void Init(JSErrorNotes::Note* aNote);
// Produce an error event message string from the given JSErrorNotes::Note.
// This may produce an empty string if aNote doesn't have a message
// attached.
static void ErrorNoteToMessageString(JSErrorNotes::Note* aNote,
nsAString& aString);
// Log the error note to the stderr.
void LogToStderr();
};
class ErrorReport : public ErrorBase {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ErrorReport);
nsTArray<ErrorNote> mNotes;
nsCString mCategory;
nsString mSourceLine;
nsString mErrorMsgName;
uint64_t mWindowID;
uint32_t mFlags;
bool mIsMuted;
ErrorReport() : mWindowID(0)
, mLineNumber(0)
, mColumn(0)
, mFlags(0)
, mIsMuted(false)
{}
@ -530,6 +567,7 @@ class ErrorReport {
bool aIsChrome, uint64_t aWindowID);
void Init(JSContext* aCx, mozilla::dom::Exception* aException,
bool aIsChrome, uint64_t aWindowID);
// Log the error report to the console. Which console will depend on the
// window id it was initialized with.
void LogToConsole();
@ -544,18 +582,8 @@ class ErrorReport {
static void ErrorReportToMessageString(JSErrorReport* aReport,
nsAString& aString);
public:
nsCString mCategory;
nsString mErrorMsgName;
nsString mErrorMsg;
nsString mFileName;
nsString mSourceLine;
uint64_t mWindowID;
uint32_t mLineNumber;
uint32_t mColumn;
uint32_t mFlags;
bool mIsMuted;
// Log the error report to the stderr.
void LogToStderr();
private:
~ErrorReport() {}