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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "qqmljscompilerstats_p.h"
#include <QFile>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QTextStream>
QT_BEGIN_NAMESPACE
namespace QQmlJS {
using namespace Qt::StringLiterals;
std::unique_ptr<AotStats> QQmlJSAotCompilerStats::s_instance = std::make_unique<AotStats>();
QString QQmlJSAotCompilerStats::s_moduleId;
bool QQmlJSAotCompilerStats::s_recordAotStats = false;
bool QQmlJS::AotStatsEntry::operator<(const AotStatsEntry &other) const
{
if (line == other.line)
return column < other.column;
return line < other.line;
}
void AotStats::insert(const AotStats &other)
{
for (const auto &[moduleUri, moduleStats] : other.m_entries.asKeyValueRange()) {
m_entries[moduleUri].insert(moduleStats);
}
}
std::optional<QList<QString>> AotStats::readAllLines(const QString &path)
{
QFile aotstatsListFile(path);
if (!aotstatsListFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
qDebug().noquote() << u"Could not open \"%1\" for reading"_s.arg(aotstatsListFile.fileName());
return std::nullopt;
}
QStringList aotstatsFiles;
QTextStream stream(&aotstatsListFile);
while (!stream.atEnd())
aotstatsFiles.append(stream.readLine());
return aotstatsFiles;
}
std::optional<AotStats> AotStats::parseAotstatsFile(const QString &aotstatsPath)
{
QFile file(aotstatsPath);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
qDebug().noquote() << u"Could not open \"%1\""_s.arg(aotstatsPath);
return std::nullopt;
}
return AotStats::fromJsonDocument(QJsonDocument::fromJson(file.readAll()));
}
std::optional<AotStats> AotStats::aggregateAotstatsList(const QString &aotstatsListPath)
{
const auto aotstatsFiles = readAllLines(aotstatsListPath);
if (!aotstatsFiles.has_value())
return std::nullopt;
AotStats aggregated;
if (aotstatsFiles->empty())
return aggregated;
for (const auto &aotstatsFile : aotstatsFiles.value()) {
auto parsed = parseAotstatsFile(aotstatsFile);
if (!parsed.has_value())
return std::nullopt;
aggregated.insert(parsed.value());
}
return aggregated;
}
static constexpr int S_AOTSTATS_FORMAT_REVISION = 1; // Added support for skipping
static constexpr QLatin1StringView S_CODEGEN_RESULT{ "codegenResult" };
static constexpr QLatin1StringView S_COLUMN{ "column" };
static constexpr QLatin1StringView S_DURATION_MICROSECONDS{ "durationMicroseconds" };
static constexpr QLatin1StringView S_ENTRIES{ "entries" };
static constexpr QLatin1StringView S_FILE_PATH{ "filePath" };
static constexpr QLatin1StringView S_FORMAT_REVISION{ "formatRevision" };
static constexpr QLatin1StringView S_FUNCTION_NAME{ "functionName" };
static constexpr QLatin1StringView S_LINE{ "line" };
static constexpr QLatin1StringView S_MESSAGE{ "message" };
static constexpr QLatin1StringView S_MODULES{ "modules" };
static constexpr QLatin1StringView S_MODULE_FILES{ "moduleFiles" };
static constexpr QLatin1StringView S_MODULE_ID{ "moduleId" };
std::optional<AotStats> AotStats::fromJsonDocument(const QJsonDocument &document)
{
QJsonObject root = document.object();
const QJsonValue revision = root[S_FORMAT_REVISION];
if (revision.isUndefined() || revision.toInt() != S_AOTSTATS_FORMAT_REVISION) {
qDebug() << "AotStats format revision missmatch. Please try again with a clean build.";
return std::nullopt;
}
const QJsonArray modulesArray = root[S_MODULES].toArray();
QQmlJS::AotStats result;
for (const auto &modulesArrayEntry : std::as_const(modulesArray)) {
const auto &moduleObject = modulesArrayEntry.toObject();
QString moduleId = moduleObject[S_MODULE_ID].toString();
const QJsonArray &filesArray = moduleObject[S_MODULE_FILES].toArray();
QHash<QString, QList<AotStatsEntry>> files;
for (const auto &filesArrayEntry : filesArray) {
const QJsonObject &fileObject = filesArrayEntry.toObject();
QString filepath = fileObject[S_FILE_PATH].toString();
const QJsonArray &statsArray = fileObject[S_ENTRIES].toArray();
QList<AotStatsEntry> stats;
for (const auto &statsArrayEntry : statsArray) {
const auto &statsObject = statsArrayEntry.toObject();
QQmlJS::AotStatsEntry stat;
auto micros = statsObject[S_DURATION_MICROSECONDS].toInteger();
stat.codegenDuration = std::chrono::microseconds(micros);
stat.functionName = statsObject[S_FUNCTION_NAME].toString();
stat.message = statsObject[S_MESSAGE].toString();
stat.line = statsObject[S_LINE].toInt();
stat.column = statsObject[S_COLUMN].toInt();
stat.codegenResult = QQmlJS::CodegenResult(statsObject[S_CODEGEN_RESULT].toInt());
stats.append(std::move(stat));
}
std::sort(stats.begin(), stats.end());
files[filepath] = std::move(stats);
}
result.m_entries[moduleId] = std::move(files);
}
return result;
}
QJsonDocument AotStats::toJsonDocument() const
{
QJsonArray modulesArray;
for (auto it1 = m_entries.begin(); it1 != m_entries.end(); ++it1) {
const QString moduleId = it1.key();
const QHash<QString, QList<AotStatsEntry>> &files = it1.value();
QJsonArray filesArray;
for (auto it2 = files.begin(); it2 != files.end(); ++it2) {
const QString &filename = it2.key();
const QList<AotStatsEntry> &stats = it2.value();
QJsonArray statsArray;
for (const auto &stat : stats) {
QJsonObject statObject;
auto micros = static_cast<qint64>(stat.codegenDuration.count());
statObject.insert(S_DURATION_MICROSECONDS, micros);
statObject.insert(S_FUNCTION_NAME, stat.functionName);
statObject.insert(S_MESSAGE, stat.message);
statObject.insert(S_LINE, stat.line);
statObject.insert(S_COLUMN, stat.column);
using CodegenResType = std::underlying_type_t<QQmlJS::CodegenResult>;
statObject.insert(S_CODEGEN_RESULT,
static_cast<CodegenResType>(stat.codegenResult));
statsArray.append(statObject);
}
QJsonObject o;
o.insert(S_FILE_PATH, filename);
o.insert(S_ENTRIES, statsArray);
filesArray.append(o);
}
QJsonObject o;
o.insert(S_MODULE_ID, moduleId);
o.insert(S_MODULE_FILES, filesArray);
modulesArray.append(o);
}
QJsonObject root;
root.insert(S_FORMAT_REVISION, S_AOTSTATS_FORMAT_REVISION);
root.insert(S_MODULES, modulesArray);
return QJsonDocument(root);
}
void AotStats::registerFile(const QString &moduleId, const QString &filepath)
{
m_entries[moduleId][filepath] = {};
}
void AotStats::addEntry(
const QString &moduleId, const QString &filepath, const AotStatsEntry &entry)
{
m_entries[moduleId][filepath].append(entry);
}
bool AotStats::saveToDisk(const QString &filepath) const
{
QFile file(filepath);
if (!file.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate)) {
qDebug().noquote() << u"Could not open \"%1\""_s.arg(filepath);
return false;
}
file.write(this->toJsonDocument().toJson(QJsonDocument::Indented));
return true;
}
void QQmlJSAotCompilerStats::registerFile(const QString &filepath)
{
QQmlJSAotCompilerStats::instance()->registerFile(s_moduleId, filepath);
}
void QQmlJSAotCompilerStats::addEntry(const QString &filepath, const QQmlJS::AotStatsEntry &entry)
{
QQmlJSAotCompilerStats::instance()->addEntry(s_moduleId, filepath, entry);
}
} // namespace QQmlJS
QT_END_NAMESPACE
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