background_html_scanner.cc | Explore in Territory

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/html/parser/background_html_scanner.h"

#include "base/task/sequenced_task_runner.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/renderer/core/dom/scriptable_document_parser.h"
#include "third_party/blink/renderer/core/execution_context/agent.h"
#include "third_party/blink/renderer/core/html/parser/html_preload_scanner.h"
#include "third_party/blink/renderer/core/html/parser/html_token.h"
#include "third_party/blink/renderer/core/html/parser/html_tokenizer.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/platform/instrumentation/tracing/trace_event.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cross_thread_task.h"
#include "third_party/blink/renderer/platform/scheduler/public/worker_pool.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_copier_base.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_copier_std.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"

namespace blink {
namespace {

CompileOptions;

// Eager compilation takes more time and uses more memory than lazy compilation,
// but the resulting code executes faster. These options let us trade off
// between the pros/cons of eager and lazy compilation.
enum class CompileStrategy { … };

CompileOptions GetCompileOptions(bool first_script_in_scan) { … }

scoped_refptr<base::SequencedTaskRunner> GetCompileTaskRunner() { … }

wtf_size_t GetMinimumScriptSize() { … }

bool ShouldPrecompileFrame(bool is_main_frame) { … }

}  // namespace

// static
WTF::SequenceBound<BackgroundHTMLScanner> BackgroundHTMLScanner::Create(
    const HTMLParserOptions& options,
    ScriptableDocumentParser* parser) { … }

BackgroundHTMLScanner::BackgroundHTMLScanner(
    std::unique_ptr<HTMLTokenizer> tokenizer,
    std::unique_ptr<ScriptTokenScanner> token_scanner)
    : … { … }

BackgroundHTMLScanner::~BackgroundHTMLScanner() = default;

void BackgroundHTMLScanner::Scan(const String& source) { … }

std::unique_ptr<BackgroundHTMLScanner::ScriptTokenScanner>
BackgroundHTMLScanner::ScriptTokenScanner::Create(
    ScriptableDocumentParser* parser) { … }

BackgroundHTMLScanner::ScriptTokenScanner::ScriptTokenScanner(
    ScriptableDocumentParser* parser,
    scoped_refptr<base::SequencedTaskRunner> task_runner,
    wtf_size_t min_script_size)
    : … { … }

void BackgroundHTMLScanner::ScriptTokenScanner::ScanToken(
    const HTMLToken& token) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/html/parser/background_html_scanner.cc
