src/declarative/qml/qdeclarativecompileddata.cpp
changeset 30 5dc02b23752f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/declarative/qml/qdeclarativecompileddata.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,225 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "private/qdeclarativecompiler_p.h"
+#include "qdeclarativeengine.h"
+#include "qdeclarativecomponent.h"
+#include "private/qdeclarativecomponent_p.h"
+#include "qdeclarativecontext.h"
+#include "private/qdeclarativecontext_p.h"
+
+#include <QtCore/qdebug.h>
+
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+int QDeclarativeCompiledData::pack(const char *data, size_t size)
+{
+    const char *p = packData.constData();
+    unsigned int ps = packData.size();
+
+    for (unsigned int ii = 0; (ii + size) <= ps; ii += sizeof(int)) {
+        if (0 == ::memcmp(p + ii, data, size))
+            return ii;
+    }
+
+    int rv = packData.size();
+    packData.append(data, size);
+    return rv;
+}
+
+int QDeclarativeCompiledData::indexForString(const QString &data)
+{
+    int idx = primitives.indexOf(data);
+    if (idx == -1) {
+        idx = primitives.count();
+        primitives << data;
+    }
+    return idx;
+}
+
+int QDeclarativeCompiledData::indexForByteArray(const QByteArray &data)
+{
+    int idx = datas.indexOf(data);
+    if (idx == -1) {
+        idx = datas.count();
+        datas << data;
+    }
+    return idx;
+}
+
+int QDeclarativeCompiledData::indexForUrl(const QUrl &data)
+{
+    int idx = urls.indexOf(data);
+    if (idx == -1) {
+        idx = urls.count();
+        urls << data;
+    }
+    return idx;
+}
+
+int QDeclarativeCompiledData::indexForFloat(float *data, int count)
+{
+    Q_ASSERT(count > 0);
+
+    for (int ii = 0; ii <= floatData.count() - count; ++ii) {
+        bool found = true;
+        for (int jj = 0; jj < count; ++jj) {
+            if (floatData.at(ii + jj) != data[jj]) {
+                found = false;
+                break;
+            }
+        }
+
+        if (found)
+            return ii;
+    }
+
+    int idx = floatData.count();
+    for (int ii = 0; ii < count; ++ii)
+        floatData << data[ii];
+
+    return idx;
+}
+
+int QDeclarativeCompiledData::indexForInt(int *data, int count)
+{
+    Q_ASSERT(count > 0);
+
+    for (int ii = 0; ii <= intData.count() - count; ++ii) {
+        bool found = true;
+        for (int jj = 0; jj < count; ++jj) {
+            if (intData.at(ii + jj) != data[jj]) {
+                found = false;
+                break;
+            }
+        }
+
+        if (found)
+            return ii;
+    }
+
+    int idx = intData.count();
+    for (int ii = 0; ii < count; ++ii)
+        intData << data[ii];
+
+    return idx;
+}
+
+int QDeclarativeCompiledData::indexForLocation(const QDeclarativeParser::Location &l)
+{
+    // ### FIXME
+    int rv = locations.count();
+    locations << l;
+    return rv;
+}
+
+int QDeclarativeCompiledData::indexForLocation(const QDeclarativeParser::LocationSpan &l)
+{
+    // ### FIXME
+    int rv = locations.count();
+    locations << l.start << l.end;
+    return rv;
+}
+
+QDeclarativeCompiledData::QDeclarativeCompiledData(QDeclarativeEngine *engine)
+: QDeclarativeCleanup(engine), importCache(0), root(0), rootPropertyCache(0)
+{
+}
+
+QDeclarativeCompiledData::~QDeclarativeCompiledData()
+{
+    for (int ii = 0; ii < types.count(); ++ii) {
+        if (types.at(ii).ref)
+            types.at(ii).ref->release();
+    }
+
+    for (int ii = 0; ii < propertyCaches.count(); ++ii) 
+        propertyCaches.at(ii)->release();
+
+    for (int ii = 0; ii < contextCaches.count(); ++ii)
+        contextCaches.at(ii)->release();
+
+    if (importCache)
+        importCache->release();
+
+    if (rootPropertyCache)
+        rootPropertyCache->release();
+
+    qDeleteAll(cachedPrograms);
+    qDeleteAll(cachedClosures);
+}
+
+void QDeclarativeCompiledData::clear()
+{
+    qDeleteAll(cachedPrograms);
+    qDeleteAll(cachedClosures);
+    for (int ii = 0; ii < cachedClosures.count(); ++ii)
+        cachedClosures[ii] = 0;
+    for (int ii = 0; ii < cachedPrograms.count(); ++ii)
+        cachedPrograms[ii] = 0;
+}
+
+const QMetaObject *QDeclarativeCompiledData::TypeReference::metaObject() const
+{
+    if (type) {
+        return type->metaObject();
+    } else {
+        Q_ASSERT(component);
+        return static_cast<QDeclarativeComponentPrivate *>(QObjectPrivate::get(component))->cc->root;
+    }
+}
+
+void QDeclarativeCompiledData::dumpInstructions()
+{
+    if (!name.isEmpty())
+        qWarning() << name;
+    qWarning().nospace() << "Index\tLine\tOperation\t\tData1\tData2\tData3\tComments";
+    qWarning().nospace() << "-------------------------------------------------------------------------------";
+    for (int ii = 0; ii < bytecode.count(); ++ii) {
+        dump(&bytecode[ii], ii);
+    }
+    qWarning().nospace() << "-------------------------------------------------------------------------------";
+}
+
+
+QT_END_NAMESPACE