mirror of
https://github.com/classilla/tenfourfox.git
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87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_JavascriptTimelineMarker_h_
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#define mozilla_JavascriptTimelineMarker_h_
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#include "TimelineMarker.h"
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#include "mozilla/dom/ProfileTimelineMarkerBinding.h"
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#include "mozilla/dom/RootedDictionary.h"
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#include "mozilla/dom/ToJSValue.h"
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namespace mozilla {
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class JavascriptTimelineMarker : public TimelineMarker
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{
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public:
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explicit JavascriptTimelineMarker(const char* aReason,
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const char16_t* aFunctionName,
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const char16_t* aFileName,
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uint32_t aLineNumber,
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MarkerTracingType aTracingType,
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JS::Handle<JS::Value> aAsyncStack,
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JS::Handle<JS::Value> aAsyncCause)
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: TimelineMarker("Javascript", aTracingType, MarkerStackRequest::NO_STACK)
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, mCause(NS_ConvertUTF8toUTF16(aReason))
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, mFunctionName(aFunctionName)
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, mFileName(aFileName)
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, mLineNumber(aLineNumber)
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{
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JSContext* ctx = nsContentUtils::GetCurrentJSContext();
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if (ctx) {
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mAsyncStack.init(ctx, aAsyncStack);
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mAsyncCause.init(ctx, aAsyncCause);
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}
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}
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virtual void AddDetails(JSContext* aCx, dom::ProfileTimelineMarker& aMarker) override
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{
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TimelineMarker::AddDetails(aCx, aMarker);
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aMarker.mCauseName.Construct(mCause);
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if (!mFunctionName.IsEmpty() || !mFileName.IsEmpty()) {
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dom::RootedDictionary<dom::ProfileTimelineStackFrame> stackFrame(aCx);
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stackFrame.mLine.Construct(mLineNumber);
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stackFrame.mSource.Construct(mFileName);
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stackFrame.mFunctionDisplayName.Construct(mFunctionName);
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if (mAsyncStack.isObject() && !mAsyncStack.isNullOrUndefined() &&
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mAsyncCause.isString()) {
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JS::Rooted<JSObject*> asyncStack(aCx, mAsyncStack.toObjectOrNull());
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JS::Rooted<JSString*> asyncCause(aCx, mAsyncCause.toString());
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JS::Rooted<JSObject*> parentFrame(aCx);
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if (!JS::CopyAsyncStack(aCx, asyncStack, asyncCause, &parentFrame, 0)) {
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JS_ClearPendingException(aCx);
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} else {
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stackFrame.mAsyncParent = parentFrame;
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}
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}
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JS::Rooted<JS::Value> newStack(aCx);
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if (ToJSValue(aCx, stackFrame, &newStack)) {
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if (newStack.isObject()) {
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aMarker.mStack = &newStack.toObject();
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}
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} else {
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JS_ClearPendingException(aCx);
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}
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}
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}
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private:
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nsString mCause;
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nsString mFunctionName;
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nsString mFileName;
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uint32_t mLineNumber;
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JS::PersistentRooted<JS::Value> mAsyncStack;
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JS::PersistentRooted<JS::Value> mAsyncCause;
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};
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} // namespace mozilla
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#endif // mozilla_JavascriptTimelineMarker_h_
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