html_parser_script_runner.cc | Explore in Territory

/*
 * Copyright (C) 2010 Google, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "third_party/blink/renderer/core/script/html_parser_script_runner.h"

#include <inttypes.h>
#include <memory>
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/renderer/core/dom/document_parser_timing.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/execution_context/agent.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/html/nesting_level_incrementer.h"
#include "third_party/blink/renderer/core/html/parser/html_input_stream.h"
#include "third_party/blink/renderer/core/script/html_parser_script_runner_host.h"
#include "third_party/blink/renderer/core/script/script_loader.h"
#include "third_party/blink/renderer/core/script/script_runner.h"
#include "third_party/blink/renderer/platform/bindings/v8_per_isolate_data.h"
#include "third_party/blink/renderer/platform/instrumentation/histogram.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/traced_value.h"
#include "third_party/blink/renderer/platform/scheduler/public/event_loop.h"

namespace blink {

namespace {

// TODO(bmcquade): move this to a shared location if we find ourselves wanting
// to trace similar data elsewhere in the codebase.
std::unique_ptr<TracedValue> GetTraceArgsForScriptElement(
    Document& document,
    const TextPosition& text_position,
    const KURL& url) { … }

void DoExecuteScript(PendingScript* pending_script, Document& document) { … }

void TraceParserBlockingScript(const PendingScript* pending_script,
                               Document& document) { … }

}  // namespace

HTMLParserScriptRunner::HTMLParserScriptRunner(
    HTMLParserReentryPermit* reentry_permit,
    Document* document,
    HTMLParserScriptRunnerHost* host)
    : … { … }

HTMLParserScriptRunner::~HTMLParserScriptRunner() { … }

void HTMLParserScriptRunner::Detach() { … }

bool HTMLParserScriptRunner::IsParserBlockingScriptReady() { … }

// Corresponds to some steps of the "Otherwise" Clause of 'An end tag whose
// tag name is "script"'
// <specdef href="https://html.spec.whatwg.org/C/#scriptEndTag">
void HTMLParserScriptRunner::
    ExecutePendingParserBlockingScriptAndDispatchEvent() { … }

// Should be correspond to
//
// <specdef
// href="https://html.spec.whatwg.org/C/#execute-the-script-element">
//
// but currently does more than specced, because historically this and
// ExecutePendingParserBlockingScriptAndDispatchEvent() was the same method.
void HTMLParserScriptRunner::ExecutePendingDeferredScriptAndDispatchEvent(
    PendingScript* pending_script) { … }

void HTMLParserScriptRunner::PendingScriptFinished(
    PendingScript* pending_script) { … }

// <specdef href="https://html.spec.whatwg.org/C/#scriptEndTag">
//
// Script handling lives outside the tree builder to keep each class simple.
void HTMLParserScriptRunner::ProcessScriptElement(
    Element* script_element,
    const TextPosition& script_start_position) { … }

bool HTMLParserScriptRunner::HasParserBlockingScript() const { … }

// <specdef href="https://html.spec.whatwg.org/C/#scriptEndTag">
//
// <spec>An end tag whose tag name is "script" ...</spec>
void HTMLParserScriptRunner::ExecuteParsingBlockingScripts() { … }

void HTMLParserScriptRunner::ExecuteScriptsWaitingForLoad() { … }

void HTMLParserScriptRunner::ExecuteScriptsWaitingForResources() { … }

// <specdef href="https://html.spec.whatwg.org/C/#stop-parsing">
PendingScript* HTMLParserScriptRunner::TryTakeReadyScriptWaitingForParsing(
    HeapDeque<Member<PendingScript>>* waiting_scripts) { … }

// <specdef href="https://html.spec.whatwg.org/C/#stop-parsing">
//
// This will run the developer deferred scripts.
bool HTMLParserScriptRunner::ExecuteScriptsWaitingForParsing() { … }

// The initial steps for 'An end tag whose tag name is "script"'
// <specdef href="https://html.spec.whatwg.org/C/#scriptEndTag">
// <specdef label="prepare-the-script-element"
// href="https://html.spec.whatwg.org/C/#prepare-the-script-element">
void HTMLParserScriptRunner::ProcessScriptElementInternal(
    Element* script,
    const TextPosition& script_start_position) { … }

void HTMLParserScriptRunner::Trace(Visitor* visitor) const { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/script/html_parser_script_runner.cc
