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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the qt3to4 porting application 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "projectporter.h"
#include "proparser.h"
#include "textreplacement.h"
#include "fileporter.h"
#include "logger.h"
#include "translationunit.h"
#include "codemodelattributes.h"
#include <QtDebug>
#include <QFile>
#include <QDir>
#include <QStringList>
#include <QFileInfo>
#include <QBuffer>
QT_BEGIN_NAMESPACE
using namespace TokenEngine;
ProjectPorter::ProjectPorter(QString basePath, QStringList includeDirectories, QStringList qt3HeadersFilenames)
:basePath(basePath)
,includeDirectories(includeDirectories)
,defaultDefinitions(defaultMacros(preprocessorCache))
,filePorter(preprocessorCache)
,qt3HeadersFilenames(qt3HeadersFilenames)
,analyze(true)
,warnings(false)
{}
void ProjectPorter::enableCppParsing(bool enable)
{
analyze = enable;
}
void ProjectPorter::enableMissingFilesWarnings(bool enable)
{
warnings = enable;
}
void ProjectPorter::portProject(QString fileName)
{
QFileInfo fileInfo(fileName);
portProject(fileInfo.path(), fileInfo.fileName());
}
/*
Port a single file
*/
void ProjectPorter::portFile(QString fileName)
{
if (analyze) {
IncludeFiles includeFiles(basePath, includeDirectories);
PreprocessorController preprocessor(includeFiles, preprocessorCache, qt3HeadersFilenames);
connect(&preprocessor, SIGNAL(error(QString,QString)), SLOT(error(QString,QString)));
Rpp::DefineMap definitionsCopy = *defaultDefinitions;
// Preprocess
TokenSectionSequence translationUnit = preprocessor.evaluate(fileName, &definitionsCopy);
// Parse
TranslationUnit translationUnitData = TranslationUnitAnalyzer().analyze(translationUnit);
// Enable attribute generation for this file.
enableAttributes(includeFiles, fileName);
// Generate attributes.
CodeModelAttributes().createAttributes(translationUnitData);
}
portFiles(QString(), QStringList() << fileName);
}
void ProjectPorter::error(QString type, QString text)
{
if (warnings && type == QLatin1String("Error"))
printf("Warning: %s\n", text.toLocal8Bit().constData());
}
void ProjectPorter::portProject(QString basePath, QString proFileName)
{
QString fullInFileName = basePath + QLatin1String("/") + proFileName;
QFileInfo infileInfo(fullInFileName);
if (!infileInfo.exists()) {
printf("Could not open file: %s\n", QDir::toNativeSeparators(fullInFileName).toLocal8Bit().constData());
return;
}
QString proFileContents = loadFile(fullInFileName);
QMap<QString, QString> proFileMap = proFileTagMap(proFileContents, QDir(basePath).absolutePath());
// Check if this is a TEMPLATE = subdirs .pro file, in that case we
// process each subdir (recursively).
QString templateTag = proFileMap[QLatin1String("TEMPLATE")];
if (templateTag == QLatin1String("subdirs")) {
QStringList subdirs = proFileMap[QLatin1String("SUBDIRS")].split(QLatin1String(" "), QString::SkipEmptyParts);
foreach(QString subdir, subdirs) {
QString newBasePath = basePath + QLatin1String("/") + subdir;
QStringList dirsInSubdir = subdir.split(QRegExp(QLatin1String("/|\\\\")), QString::SkipEmptyParts);
QString newProFileName = dirsInSubdir.last() + QLatin1String(".pro");
portProject(newBasePath, newProFileName);
}
return;
}
// Get headers and sources file names from .pro file.
QStringList sources = proFileMap[QLatin1String("SOURCES")].split(QLatin1String(" "), QString::SkipEmptyParts);
QStringList headers = proFileMap[QLatin1String("HEADERS")].split(QLatin1String(" "), QString::SkipEmptyParts);
QStringList forms = proFileMap[QLatin1String("FORMS")].split(QLatin1String(" "), QString::SkipEmptyParts);
QStringList uidoth;
for (int i = 0; i < forms.size(); ++i) {
QString ui_h = forms.at(i) + QLatin1String(".h");
if (QFile::exists(basePath + QLatin1String("/") + ui_h))
uidoth += ui_h;
}
if (analyze) {
printf("Parsing");
// Get include paths from the pro file.
QStringList includeProPaths = proFileMap[QLatin1String("INCLUDEPATH")].split(QLatin1String(" "), QString::SkipEmptyParts);
QStringList dependProPaths = proFileMap[QLatin1String("DEPENDPATH")].split(QLatin1String(" "), QString::SkipEmptyParts);
IncludeFiles includeFiles(basePath, includeDirectories + includeProPaths + dependProPaths);
PreprocessorController preprocessorController(includeFiles, preprocessorCache, qt3HeadersFilenames);
connect(&preprocessorController, SIGNAL(error(QString,QString)), SLOT(error(QString,QString)));
TranslationUnitAnalyzer translationUnitAnalyzer;
CodeModelAttributes codeModelAttributes;
// Enable attribute generation for header files.
foreach(QString headerFile, headers)
enableAttributes(includeFiles, headerFile);
// Enable attribute generation for ui.h files.
foreach(QString headerFile, uidoth)
enableAttributes(includeFiles, headerFile);
// Analyze each translation unit. (one per cpp file)
foreach(QString sourceFile, sources) {
printf(".");
fflush(stdout);
Rpp::DefineMap definitionsCopy = *defaultDefinitions;
TokenSectionSequence translationUnit =
preprocessorController.evaluate(sourceFile, &definitionsCopy);
TranslationUnit translationUnitData =
translationUnitAnalyzer.analyze(translationUnit);
// Enable attribute generation for this file.
enableAttributes(includeFiles, sourceFile);
codeModelAttributes.createAttributes(translationUnitData);
}
puts("");
}
// Port files.
portFiles(basePath, sources);
portFiles(basePath, headers);
if (!uidoth.isEmpty())
portFiles(basePath, uidoth);
Logger::instance()->globalState[QLatin1String("currentFileName")] = proFileName;
Logger::instance()->beginSection();
portProFile(fullInFileName, proFileMap);
}
/*
Port each file given in the fileNames list. If a file name is relative
it is assumed to be relative to basePath.
*/
void ProjectPorter::portFiles(QString basePath, QStringList fileNames)
{
foreach(QString fileName, fileNames) {
QString fullFilePath;
QFileInfo fileInfo(fileName);
if (fileInfo.isAbsolute()) {
fullFilePath = QDir::cleanPath(fileName);
} else {
fullFilePath = QDir::cleanPath(basePath + QLatin1String("/") + fileName);
}
QFileInfo fullFilePathInfo(fullFilePath);
if (!fullFilePathInfo.exists()) {
printf("Could not find file: %s\n", QDir::toNativeSeparators(fullFilePath).toLocal8Bit().constData());
continue;
}
if (!processedFilesSet.contains(fullFilePath)){
Logger::instance()->globalState[QLatin1String("currentFileName")] = fullFilePath;
filePorter.port(fullFilePath);
processedFilesSet.insert(fullFilePath);
}
}
}
void ProjectPorter::portProFile(QString fileName, QMap<QString, QString> tagMap)
{
// Read pro file.
QFile proFile(fileName);
if (!proFile.open(QIODevice::ReadOnly))
return;
const QByteArray contents = proFile.readAll();
const QByteArray lineEnding = detectLineEndings(contents);
proFile.seek(0);
QTextStream proTextStream(&proFile);
QStringList lines;
while (!proTextStream.atEnd())
lines += proTextStream.readLine();
proFile.close();
// Find out what modules we should add to the QT variable.
QSet<QByteArray> qtModules;
// Add qt3support to the Qt tag
qtModules.insert(QByteArray("qt3support"));
// Read CONFIG and add other modules.
QStringList config = tagMap[QLatin1String("CONFIG")].split(QLatin1String(" "), QString::SkipEmptyParts);
if (config.contains(QLatin1String("opengl")))
qtModules.insert(QByteArray("opengl"));
if (config.contains(QLatin1String("xml")))
qtModules.insert(QByteArray("xml"));
if (config.contains(QLatin1String("sql")))
qtModules.insert(QByteArray("sql"));
if (config.contains(QLatin1String("network")))
qtModules.insert(QByteArray("network"));
// Get set of used modules from the file porter.
qtModules += filePorter.usedQtModules();
// Remove gui and core.
qtModules.remove(QByteArray("gui"));
qtModules.remove(QByteArray("core"));
// Qt3Support is already added.
qtModules.remove(QByteArray("3support"));
// Remove modules already present in the QT variable.
QStringList qt = tagMap[QLatin1String("QT")].split(QLatin1String(" "), QString::SkipEmptyParts);
foreach(QString name, qt) {
qtModules.remove(name.toLatin1());
}
Logger *logger = Logger::instance();
bool changesMade = false;
if (!qtModules.isEmpty()) {
changesMade = true;
QString insertText = QLatin1String("QT += ");
foreach(QByteArray module, qtModules) {
insertText += QString::fromLatin1(module) + QLatin1Char(' ');
}
lines += QString(QLatin1String("#The following line was inserted by qt3to4"));
lines += insertText;
QString logText = QLatin1String("In file ")
+ logger->globalState.value(QLatin1String("currentFileName"))
+ QLatin1String(": Added entry ")
+ insertText;
logger->addEntry(new PlainLogEntry(QLatin1String("Info"), QLatin1String("Porting"), logText));
}
// Add uic3 if we have forms, and change FORMS and INTERFACES to FORMS3
if (!tagMap[QLatin1String("FORMS")].isEmpty() || !tagMap[QLatin1String("INTERFACES")].isEmpty()) {
changesMade = true;
lines += QString(QLatin1String("#The following line was inserted by qt3to4"));
QString insertText = QLatin1String("CONFIG += uic3") + QString::fromLatin1(lineEnding.constData());
lines += insertText;
QString logText = QLatin1String("In file ")
+ logger->globalState.value(QLatin1String("currentFileName"))
+ QLatin1String(": Added entry ")
+ insertText;
logger->addEntry(new PlainLogEntry(QLatin1String("Info"), QLatin1String("Porting"), logText));
const QString formsToForms3(QLatin1String("#The following line was changed from FORMS to FORMS3 by qt3to4"));
const QString interfacesToForms3(QLatin1String("#The following line was changed from INTERFACES to FORMS3 by qt3to4"));
for (int i = 0; i < lines.count(); ++i) {
QString cLine = lines.at(i);
cLine = cLine.trimmed();
if (cLine.startsWith(QLatin1String("FORMS"))) {
lines[i].replace(QLatin1String("FORMS"), QLatin1String("FORMS3"));
lines.insert(i, formsToForms3);
++i;
QString logText = QLatin1String("In file ")
+ logger->globalState.value(QLatin1String("currentFileName"))
+ QLatin1String(": Renamed FORMS to FORMS3");
logger->addEntry(new PlainLogEntry(QLatin1String("Info"), QLatin1String("Porting"), logText));
} else if (cLine.startsWith(QLatin1String("INTERFACES"))) {
lines[i].replace(QLatin1String("INTERFACES"), QLatin1String("FORMS3"));
lines.insert(i, interfacesToForms3);
++i;
QString logText = QLatin1String("In file ")
+ logger->globalState.value(QLatin1String("currentFileName"))
+ QLatin1String(": Renamed INTERFACES to FORMS3");
logger->addEntry(new PlainLogEntry(QLatin1String("Info"), QLatin1String("Porting"), logText));
}
}
}
// Comment out any REQUIRES tag.
if (!tagMap[QLatin1String("REQUIRES")].isEmpty()) {
changesMade = true;
QString insertText(QLatin1String("#The following line was commented out by qt3to4"));
for (int i = 0; i < lines.count(); ++i) {
if (lines.at(i).startsWith(QLatin1String("REQUIRES"))) {
QString lineCopy = lines.at(i);
lineCopy.prepend(QLatin1Char('#'));
lines[i] = lineCopy;
lines.insert(i, insertText);
++i; //skip ahead, we just insertet a line at i.
QString logText = QLatin1String("In file ")
+ logger->globalState.value(QLatin1String("currentFileName"))
+ QLatin1String(": Commented out REQUIRES section");
logger->addEntry(new PlainLogEntry(QLatin1String("Info"), QLatin1String("Porting"), logText));
}
}
}
// Check if any changes has been made.
if (!changesMade) {
Logger::instance()->addEntry(
new PlainLogEntry(QLatin1String("Info"), QLatin1String("Porting"), QLatin1String("No changes made to file ") + fileName));
Logger::instance()->commitSection();
return;
}
// Write lines to array.
QByteArray bob;
QTextStream outProFileStream(&bob);
foreach(QString line, lines)
outProFileStream << line << lineEnding;
outProFileStream.flush();
// Write array to file, commit log if write was successful.
FileWriter::WriteResult result = FileWriter::instance()->writeFileVerbously(fileName, bob);
if (result == FileWriter::WriteSucceeded) {
logger->commitSection();
} else if (result == FileWriter::WriteFailed) {
logger->revertSection();
logger->addEntry(
new PlainLogEntry(QLatin1String("Error"), QLatin1String("Porting"), QLatin1String("Error writing to file ") + fileName));
} else if (result == FileWriter::WriteSkipped) {
logger->revertSection();
logger->addEntry(
new PlainLogEntry(QLatin1String("Error"), QLatin1String("Porting"), QLatin1String("User skipped file ") + fileName));
} else {
// Internal error.
logger->revertSection();
const QString errorString = QLatin1String("Internal error in qt3to4 - FileWriter returned invalid result code while writing to ") + fileName;
logger->addEntry(new PlainLogEntry(QLatin1String("Error"), QLatin1String("Porting"), errorString));
}
}
/*
Enables attribute generation for fileName. The file is looked up using the
provied includeFiles object.
*/
void ProjectPorter::enableAttributes(const IncludeFiles &includeFiles, const QString &fileName)
{
QString resolvedFilePath = includeFiles.resolve(fileName);
if (!QFile::exists(resolvedFilePath))
resolvedFilePath = includeFiles.angleBracketLookup(fileName);
if (!QFile::exists(resolvedFilePath))
return;
TokenContainer tokenContainer = preprocessorCache.sourceTokens(resolvedFilePath);
TokenAttributes *attributes = tokenContainer.tokenAttributes();
attributes->addAttribute("CreateAttributes", "True");
}
QT_END_NAMESPACE
|