aboutsummaryrefslogtreecommitdiffstats
path: root/src/qml/compiler/qv4compileddata.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/qml/compiler/qv4compileddata.cpp')
-rw-r--r--src/qml/compiler/qv4compileddata.cpp283
1 files changed, 0 insertions, 283 deletions
diff --git a/src/qml/compiler/qv4compileddata.cpp b/src/qml/compiler/qv4compileddata.cpp
deleted file mode 100644
index 813868b0ae..0000000000
--- a/src/qml/compiler/qv4compileddata.cpp
+++ /dev/null
@@ -1,283 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtQml module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qv4compileddata_p.h"
-#include <private/qv4staticvalue_p.h>
-#include <private/qqmlirbuilder_p.h>
-#include <QCoreApplication>
-#include <QCryptographicHash>
-#include <QSaveFile>
-#include <QScopeGuard>
-#include <QFileInfo>
-
-// generated by qmake:
-#include "qml_compile_hash_p.h"
-
-#include <algorithm>
-
-QT_BEGIN_NAMESPACE
-
-namespace QV4 {
-
-namespace CompiledData {
-
-#if defined(QML_COMPILE_HASH)
-# ifdef Q_OS_LINUX
-// Place on a separate section on Linux so it's easier to check from outside
-// what the hash version is.
-__attribute__((section(".qml_compile_hash")))
-# endif
-const char qml_compile_hash[48 + 1] = QML_COMPILE_HASH;
-static_assert(sizeof(Unit::libraryVersionHash) >= QML_COMPILE_HASH_LENGTH + 1, "Compile hash length exceeds reserved size in data structure. Please adjust and bump the format version");
-#else
-# error "QML_COMPILE_HASH must be defined for the build of QtDeclarative to ensure version checking for cache files"
-#endif
-
-
-CompilationUnit::CompilationUnit(const Unit *unitData, const QString &fileName, const QString &finalUrlString)
-{
- setUnitData(unitData, nullptr, fileName, finalUrlString);
-}
-
-CompilationUnit::~CompilationUnit()
-{
- if (data) {
- if (data->qmlUnit() != qmlData)
- free(const_cast<QmlUnit *>(qmlData));
- qmlData = nullptr;
-
- if (!(data->flags & QV4::CompiledData::Unit::StaticData))
- free(const_cast<Unit *>(data));
- }
- data = nullptr;
-#if Q_BYTE_ORDER == Q_BIG_ENDIAN
- delete [] constants;
- constants = nullptr;
-#endif
-
- delete [] imports;
- imports = nullptr;
-}
-
-bool CompilationUnit::saveToDisk(const QString &outputFileName, QString *errorString) const
-{
- errorString->clear();
-
-#if QT_CONFIG(temporaryfile)
- // Foo.qml -> Foo.qmlc
- QSaveFile cacheFile(outputFileName);
- if (!cacheFile.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
- *errorString = cacheFile.errorString();
- return false;
- }
-
- SaveableUnitPointer saveable(this);
- qint64 headerWritten = cacheFile.write(saveable.data<char>(), saveable.size());
- if (headerWritten != saveable.size()) {
- *errorString = cacheFile.errorString();
- return false;
- }
-
- if (!cacheFile.commit()) {
- *errorString = cacheFile.errorString();
- return false;
- }
-
- return true;
-#else
- Q_UNUSED(outputFileName)
- *errorString = QStringLiteral("features.temporaryfile is disabled.");
- return false;
-#endif // QT_CONFIG(temporaryfile)
-}
-
-void CompilationUnit::setUnitData(const Unit *unitData, const QmlUnit *qmlUnit,
- const QString &fileName, const QString &finalUrlString)
-{
- data = unitData;
- qmlData = nullptr;
-#if Q_BYTE_ORDER == Q_BIG_ENDIAN
- delete [] constants;
-#endif
- constants = nullptr;
- m_fileName.clear();
- m_finalUrlString.clear();
- if (!data)
- return;
-
- qmlData = qmlUnit ? qmlUnit : data->qmlUnit();
-
-#if Q_BYTE_ORDER == Q_BIG_ENDIAN
- StaticValue *bigEndianConstants = new StaticValue[data->constantTableSize];
- const quint64_le *littleEndianConstants = data->constants();
- for (uint i = 0; i < data->constantTableSize; ++i)
- bigEndianConstants[i] = StaticValue::fromReturnedValue(littleEndianConstants[i]);
- constants = bigEndianConstants;
-#else
- constants = reinterpret_cast<const StaticValue*>(data->constants());
-#endif
-
- m_fileName = !fileName.isEmpty() ? fileName : stringAt(data->sourceFileIndex);
- m_finalUrlString = !finalUrlString.isEmpty() ? finalUrlString : stringAt(data->finalUrlIndex);
-}
-
-//reverse of Lexer::singleEscape()
-QString Binding::escapedString(const QString &string)
-{
- QString tmp = QLatin1String("\"");
- for (int i = 0; i < string.length(); ++i) {
- const QChar &c = string.at(i);
- switch (c.unicode()) {
- case 0x08:
- tmp += QLatin1String("\\b");
- break;
- case 0x09:
- tmp += QLatin1String("\\t");
- break;
- case 0x0A:
- tmp += QLatin1String("\\n");
- break;
- case 0x0B:
- tmp += QLatin1String("\\v");
- break;
- case 0x0C:
- tmp += QLatin1String("\\f");
- break;
- case 0x0D:
- tmp += QLatin1String("\\r");
- break;
- case 0x22:
- tmp += QLatin1String("\\\"");
- break;
- case 0x27:
- tmp += QLatin1String("\\\'");
- break;
- case 0x5C:
- tmp += QLatin1String("\\\\");
- break;
- default:
- tmp += c;
- break;
- }
- }
- tmp += QLatin1Char('\"');
- return tmp;
-}
-
-void CompilationUnit::unlink()
-{
- free(runtimeStrings);
- runtimeStrings = nullptr;
- delete [] runtimeRegularExpressions;
- runtimeRegularExpressions = nullptr;
- free(runtimeClasses);
- runtimeClasses = nullptr;
-}
-
-void Unit::generateChecksum()
-{
-#ifndef QT_CRYPTOGRAPHICHASH_ONLY_SHA1
- QCryptographicHash hash(QCryptographicHash::Md5);
-
- const int checksummableDataOffset = offsetof(QV4::CompiledData::Unit, md5Checksum) + sizeof(md5Checksum);
-
- const char *dataPtr = reinterpret_cast<const char *>(this) + checksummableDataOffset;
- hash.addData(dataPtr, unitSize - checksummableDataOffset);
-
- QByteArray checksum = hash.result();
- Q_ASSERT(checksum.size() == sizeof(md5Checksum));
- memcpy(md5Checksum, checksum.constData(), sizeof(md5Checksum));
-#else
- memset(md5Checksum, 0, sizeof(md5Checksum));
-#endif
-}
-
-bool Unit::verifyHeader(QDateTime expectedSourceTimeStamp, QString *errorString) const
-{
- if (strncmp(magic, CompiledData::magic_str, sizeof(magic))) {
- *errorString = QStringLiteral("Magic bytes in the header do not match");
- return false;
- }
-
- if (version != quint32(QV4_DATA_STRUCTURE_VERSION)) {
- *errorString = QString::fromUtf8("V4 data structure version mismatch. Found %1 expected %2").arg(version, 0, 16).arg(QV4_DATA_STRUCTURE_VERSION, 0, 16);
- return false;
- }
-
- if (qtVersion != quint32(QT_VERSION)) {
- *errorString = QString::fromUtf8("Qt version mismatch. Found %1 expected %2").arg(qtVersion, 0, 16).arg(QT_VERSION, 0, 16);
- return false;
- }
-
- if (sourceTimeStamp) {
- // Files from the resource system do not have any time stamps, so fall back to the application
- // executable.
- if (!expectedSourceTimeStamp.isValid())
- expectedSourceTimeStamp = QFileInfo(QCoreApplication::applicationFilePath()).lastModified();
-
- if (expectedSourceTimeStamp.isValid() && expectedSourceTimeStamp.toMSecsSinceEpoch() != sourceTimeStamp) {
- *errorString = QStringLiteral("QML source file has a different time stamp than cached file.");
- return false;
- }
- }
-
-#if defined(QML_COMPILE_HASH)
- if (qstrcmp(CompiledData::qml_compile_hash, libraryVersionHash) != 0) {
- *errorString = QStringLiteral("QML library version mismatch. Expected compile hash does not match");
- return false;
- }
-#else
-#error "QML_COMPILE_HASH must be defined for the build of QtDeclarative to ensure version checking for cache files"
-#endif
-
- return true;
-}
-
-Location &Location::operator=(const QQmlJS::AST::SourceLocation &astLocation)
-{
- line = astLocation.startLine;
- column = astLocation.startColumn;
- return *this;
-}
-
-}
-
-}
-
-QT_END_NAMESPACE