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https://github.com/mozilla/gecko-dev.git
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a26eafe5c3
This patch removes the old docshell timeline and timeline markers codebase and replaces them with equivalent Gecko profiler marker. This patch also fixes Bug 1834143, which is a subset of 1421651.
Differential Revision: https://phabricator.services.mozilla.com/D184217
82 lines
2.5 KiB
C++
82 lines
2.5 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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#include "mozilla/dom/AutoEntryScript.h"
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#include <stdint.h>
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#include <utility>
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#include "js/ProfilingCategory.h"
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#include "js/ProfilingStack.h"
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#include "jsapi.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/Span.h"
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#include "nsCOMPtr.h"
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#include "nsContentUtils.h"
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#include "nsGlobalWindowInner.h"
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#include "nsIDocShell.h"
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#include "nsJSUtils.h"
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#include "nsPIDOMWindow.h"
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#include "nsPIDOMWindowInlines.h"
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#include "nsString.h"
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#include "xpcpublic.h"
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namespace mozilla::dom {
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namespace {
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// Assert if it's not safe to run script. The helper class
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// AutoAllowLegacyScriptExecution allows to allow-list
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// legacy cases where it's actually not safe to run script.
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#ifdef DEBUG
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void AssertIfNotSafeToRunScript() {
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// if it's safe to run script, then there is nothing to do here.
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if (nsContentUtils::IsSafeToRunScript()) {
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return;
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}
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// auto allowing legacy script execution is fine for now.
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if (AutoAllowLegacyScriptExecution::IsAllowed()) {
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return;
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}
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MOZ_ASSERT(false, "is it safe to run script?");
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}
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#endif
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} // namespace
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AutoEntryScript::AutoEntryScript(nsIGlobalObject* aGlobalObject,
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const char* aReason, bool aIsMainThread)
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: AutoJSAPI(aGlobalObject, aIsMainThread, eEntryScript),
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mWebIDLCallerPrincipal(nullptr)
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// This relies on us having a cx() because the AutoJSAPI constructor
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// already ran.
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,
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mCallerOverride(cx()),
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mAutoProfilerLabel(
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"", aReason, JS::ProfilingCategoryPair::JS,
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uint32_t(js::ProfilingStackFrame::Flags::RELEVANT_FOR_JS)),
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mJSThreadExecution(aGlobalObject, aIsMainThread) {
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MOZ_ASSERT(aGlobalObject);
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if (aIsMainThread) {
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#ifdef DEBUG
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AssertIfNotSafeToRunScript();
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#endif
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mScriptActivity.emplace(true);
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}
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}
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AutoEntryScript::AutoEntryScript(JSObject* aObject, const char* aReason,
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bool aIsMainThread)
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: AutoEntryScript(xpc::NativeGlobal(aObject), aReason, aIsMainThread) {
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// xpc::NativeGlobal uses JS::GetNonCCWObjectGlobal, which asserts that
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// aObject is not a CCW.
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}
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AutoEntryScript::~AutoEntryScript() = default;
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} // namespace mozilla::dom
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