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authorUlf Hermann <ulf.hermann@qt.io>2019-05-20 17:05:50 +0200
committerUlf Hermann <ulf.hermann@qt.io>2019-05-31 15:18:55 +0200
commit6c76ee30ce1662ca8f8368de5ebd1e6bcfdf0d9e (patch)
treebea1db48da70a74565afab07801f20f143f8067d /src/qml/compiler/qv4compilationunitmapper_win.cpp
parent2f24150b03a8141b3e64442bcfcc08448b9a79e5 (diff)
Eliminate qmldevtools_build
Move the relevant files into more fitting locations and build the devtools from only parser, compiler and qmldirparser. Change-Id: Ibf37a1187f36d02983f9f43c6622acb243785b7b Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src/qml/compiler/qv4compilationunitmapper_win.cpp')
-rw-r--r--src/qml/compiler/qv4compilationunitmapper_win.cpp128
1 files changed, 0 insertions, 128 deletions
diff --git a/src/qml/compiler/qv4compilationunitmapper_win.cpp b/src/qml/compiler/qv4compilationunitmapper_win.cpp
deleted file mode 100644
index 779c1288fe..0000000000
--- a/src/qml/compiler/qv4compilationunitmapper_win.cpp
+++ /dev/null
@@ -1,128 +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 "qv4compilationunitmapper_p.h"
-
-#include "qv4compileddata_p.h"
-#include <QScopeGuard>
-#include <QFileInfo>
-#include <QDateTime>
-#include <qt_windows.h>
-
-QT_BEGIN_NAMESPACE
-
-using namespace QV4;
-
-CompiledData::Unit *CompilationUnitMapper::open(const QString &cacheFileName, const QDateTime &sourceTimeStamp, QString *errorString)
-{
- close();
-
- // ### TODO: fix up file encoding/normalization/unc handling once QFileSystemEntry
- // is exported from QtCore.
- HANDLE handle =
-#if defined(Q_OS_WINRT)
- CreateFile2(reinterpret_cast<const wchar_t*>(cacheFileName.constData()),
- GENERIC_READ | GENERIC_EXECUTE, FILE_SHARE_READ,
- OPEN_EXISTING, nullptr);
-#else
- CreateFile(reinterpret_cast<const wchar_t*>(cacheFileName.constData()),
- GENERIC_READ | GENERIC_EXECUTE, FILE_SHARE_READ,
- nullptr, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL,
- nullptr);
-#endif
- if (handle == INVALID_HANDLE_VALUE) {
- *errorString = qt_error_string(GetLastError());
- return nullptr;
- }
-
- auto fileHandleCleanup = qScopeGuard([handle]{
- CloseHandle(handle);
- });
-
- CompiledData::Unit header;
- DWORD bytesRead;
- if (!ReadFile(handle, reinterpret_cast<char *>(&header), sizeof(header), &bytesRead, nullptr)) {
- *errorString = qt_error_string(GetLastError());
- return nullptr;
- }
-
- if (bytesRead != sizeof(header)) {
- *errorString = QStringLiteral("File too small for the header fields");
- return nullptr;
- }
-
- if (!header.verifyHeader(sourceTimeStamp, errorString))
- return nullptr;
-
- // Data structure and qt version matched, so now we can access the rest of the file safely.
-
- HANDLE fileMappingHandle = CreateFileMapping(handle, 0, PAGE_READONLY, 0, 0, 0);
- if (!fileMappingHandle) {
- *errorString = qt_error_string(GetLastError());
- return nullptr;
- }
-
- auto mappingCleanup = qScopeGuard([fileMappingHandle]{
- CloseHandle(fileMappingHandle);
- });
-
- dataPtr = MapViewOfFile(fileMappingHandle, FILE_MAP_READ, 0, 0, 0);
- if (!dataPtr) {
- *errorString = qt_error_string(GetLastError());
- return nullptr;
- }
-
- return reinterpret_cast<CompiledData::Unit*>(dataPtr);
-}
-
-void CompilationUnitMapper::close()
-{
- if (dataPtr != nullptr) {
- // Do not unmap cache files that are built with the StaticData flag. That's the majority of
- // them and it's necessary to benefit from the QString literal optimization. There might
- // still be QString instances around that point into that memory area. The memory is backed
- // on the disk, so the kernel is free to release the pages and all that remains is the
- // address space allocation.
- if (!(reinterpret_cast<CompiledData::Unit*>(dataPtr)->flags & CompiledData::Unit::StaticData))
- UnmapViewOfFile(dataPtr);
- }
- dataPtr = nullptr;
-}
-
-QT_END_NAMESPACE