forked from mirrors/gecko-dev
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsImportModule.h"
|
|
|
|
#include "mozilla/dom/ScriptSettings.h"
|
|
#include "mozJSModuleLoader.h"
|
|
#include "nsContentUtils.h"
|
|
#include "nsExceptionHandler.h"
|
|
#include "nsPrintfCString.h"
|
|
#include "xpcpublic.h"
|
|
#include "xpcprivate.h"
|
|
#include "js/PropertyAndElement.h" // JS_GetProperty
|
|
|
|
using mozilla::dom::AutoJSAPI;
|
|
|
|
namespace mozilla {
|
|
namespace loader {
|
|
|
|
static void AnnotateCrashReportWithJSException(JSContext* aCx,
|
|
const char* aURI) {
|
|
JS::RootedValue exn(aCx);
|
|
if (JS_GetPendingException(aCx, &exn)) {
|
|
JS_ClearPendingException(aCx);
|
|
|
|
JSAutoRealm ar(aCx, xpc::PrivilegedJunkScope());
|
|
JS_WrapValue(aCx, &exn);
|
|
|
|
nsAutoCString file;
|
|
uint32_t line;
|
|
uint32_t column;
|
|
nsAutoString msg;
|
|
nsContentUtils::ExtractErrorValues(aCx, exn, file, &line, &column, msg);
|
|
|
|
nsPrintfCString errorString("Failed to load module \"%s\": %s:%u:%u: %s",
|
|
aURI, file.get(), line, column,
|
|
NS_ConvertUTF16toUTF8(msg).get());
|
|
|
|
CrashReporter::RecordAnnotationNSCString(
|
|
CrashReporter::Annotation::JSModuleLoadError, errorString);
|
|
}
|
|
}
|
|
|
|
nsresult ImportESModule(const char* aURI, const char* aExportName,
|
|
const nsIID& aIID, void** aResult, bool aInfallible) {
|
|
AutoJSAPI jsapi;
|
|
MOZ_ALWAYS_TRUE(jsapi.Init(xpc::PrivilegedJunkScope()));
|
|
JSContext* cx = jsapi.cx();
|
|
|
|
JS::RootedObject moduleNamespace(cx);
|
|
nsresult rv = mozJSModuleLoader::Get()->ImportESModule(
|
|
cx, nsDependentCString(aURI), &moduleNamespace);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
if (aInfallible) {
|
|
AnnotateCrashReportWithJSException(cx, aURI);
|
|
|
|
MOZ_CRASH_UNSAFE_PRINTF("Failed to load critical module \"%s\"", aURI);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
if (aExportName) {
|
|
JS::RootedValue namedExport(cx);
|
|
if (!JS_GetProperty(cx, moduleNamespace, aExportName, &namedExport)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
if (!namedExport.isObject()) {
|
|
return NS_ERROR_XPC_BAD_CONVERT_JS;
|
|
}
|
|
moduleNamespace.set(&namedExport.toObject());
|
|
}
|
|
|
|
return nsXPConnect::XPConnect()->WrapJS(cx, moduleNamespace, aIID, aResult);
|
|
}
|
|
|
|
} // namespace loader
|
|
} // namespace mozilla
|