Initial commit of qmlprofiler plugin (commercial version)

Change-Id: I08e838110c17a4a2085e0c3232424787186f9c31

plugins/qmlprofiler/qmlprofilerprocessedmodel.cpp

@@ -0,0 +1,181 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** 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.
+**
+****************************************************************************/
+
+#include "qmlprofilerprocessedmodel.h"
+
+#include <qmldebug/qmlprofilereventtypes.h>
+#include <utils/qtcassert.h>
+#include <QUrl>
+#include <QDebug>
+
+namespace QmlProfiler {
+namespace Internal {
+
+QmlDebug::QmlEventLocation getLocation(const QmlProfilerSimpleModel::QmlEventData &event);
+QString getDisplayName(const QmlProfilerSimpleModel::QmlEventData &event);
+QString getInitialDetails(const QmlProfilerSimpleModel::QmlEventData &event);
+
+QmlDebug::QmlEventLocation getLocation(const QmlProfilerSimpleModel::QmlEventData &event)
+{
+    QmlDebug::QmlEventLocation eventLocation = event.location;
+    if (event.eventType == QmlDebug::Compiling && eventLocation.filename.isEmpty()) {
+        eventLocation.filename = getInitialDetails(event);
+        eventLocation.line = 1;
+        eventLocation.column = 1;
+    }
+    return eventLocation;
+}
+
+QString getDisplayName(const QmlProfilerSimpleModel::QmlEventData &event)
+{
+    const QmlDebug::QmlEventLocation eventLocation = getLocation(event);
+    QString displayName;
+
+    // generate hash
+    if (eventLocation.filename.isEmpty()) {
+        displayName = QmlProfilerProcessedModel::tr("<bytecode>");
+    } else {
+        const QString filePath = QUrl(eventLocation.filename).path();
+        displayName = filePath.mid(filePath.lastIndexOf(QLatin1Char('/')) + 1) + QLatin1Char(':') +
+                QString::number(eventLocation.line);
+    }
+
+    return displayName;
+}
+
+QString getInitialDetails(const QmlProfilerSimpleModel::QmlEventData &event)
+{
+    QString details;
+    // generate details string
+    if (event.data.isEmpty())
+        details = QmlProfilerProcessedModel::tr("Source code not available");
+    else {
+        details = event.data.join(QLatin1String(" ")).replace(QLatin1Char('\n'),QLatin1Char(' ')).simplified();
+        QRegExp rewrite(QLatin1String("\\(function \\$(\\w+)\\(\\) \\{ (return |)(.+) \\}\\)"));
+        bool match = rewrite.exactMatch(details);
+        if (match)
+            details = rewrite.cap(1) + QLatin1String(": ") + rewrite.cap(3);
+        if (details.startsWith(QLatin1String("file://")))
+            details = details.mid(details.lastIndexOf(QLatin1Char('/')) + 1);
+    }
+
+    return details;
+}
+
+
+bool compareStartTimes(const QmlProfilerSimpleModel::QmlEventData &t1, const QmlProfilerSimpleModel::QmlEventData &t2)
+{
+    return t1.startTime < t2.startTime;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+
+QmlProfilerProcessedModel::QmlProfilerProcessedModel(Utils::FileInProjectFinder *fileFinder, QObject *parent)
+    : QmlProfilerSimpleModel(parent)
+    , m_detailsRewriter(new QmlProfilerDetailsRewriter(this, fileFinder))
+    , m_emitChanged(false)
+{
+    connect(m_detailsRewriter, SIGNAL(rewriteDetailsString(int,QString)),
+            this, SLOT(detailsChanged(int,QString)));
+    connect(m_detailsRewriter, SIGNAL(eventDetailsChanged()),
+            this, SLOT(detailsDone()));
+}
+
+QmlProfilerProcessedModel::~QmlProfilerProcessedModel()
+{
+}
+
+void QmlProfilerProcessedModel::clear()
+{
+    m_detailsRewriter->clearRequests();
+    QmlProfilerSimpleModel::clear();
+
+    emit changed();
+    m_emitChanged = false;
+}
+
+void QmlProfilerProcessedModel::complete()
+{
+    // post-processing
+
+    // sort events by start time
+    qSort(eventList.begin(), eventList.end(), compareStartTimes);
+
+    // rewrite strings
+    int n = eventList.count();
+    for (int i = 0; i < n; i++) {
+        QmlEventData *event = &eventList[i];
+        event->location = getLocation(*event);
+        event->displayName = getDisplayName(*event);
+        event->data = QStringList() << getInitialDetails(*event);
+
+        //
+        // request further details from files
+        //
+
+        if (event->eventType != QmlDebug::Binding && event->eventType != QmlDebug::HandlingSignal)
+            continue;
+
+        // This skips anonymous bindings in Qt4.8 (we don't have valid location data for them)
+        if (event->location.filename.isEmpty())
+            continue;
+
+        // Skip non-anonymous bindings from Qt4.8 (we already have correct details for them)
+        if (event->location.column == -1)
+            continue;
+
+        m_detailsRewriter->requestDetailsForLocation(i, event->location);
+    }
+
+    m_detailsRewriter->reloadDocuments();
+
+    emit changed();
+    m_emitChanged = false;
+}
+
+void QmlProfilerProcessedModel::detailsChanged(int requestId, const QString &newString)
+{
+    QTC_ASSERT(requestId < eventList.count(), return);
+
+    QmlEventData *event = &eventList[requestId];
+    event->data = QStringList(newString);
+
+    m_emitChanged = true;
+}
+
+void QmlProfilerProcessedModel::detailsDone()
+{
+    if (m_emitChanged) {
+        emit changed();
+        m_emitChanged = false;
+    }
+}
+
+}
+}