1 files changed, 180 insertions, 0 deletions
diff --git a/src/plugins/qmltooling/qmldbg_debugger/qv4datacollector.h b/src/plugins/qmltooling/qmldbg_debugger/qv4datacollector.h
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index 0000000000..d0e4a4ad18
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+++ b/src/plugins/qmltooling/qmldbg_debugger/qv4datacollector.h
@@ -0,0 +1,180 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QV4DATACOLLECTOR_H
+#define QV4DATACOLLECTOR_H
+
+#include <private/qv4engine_p.h>
+#include <private/qv4debugging_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QV4DataCollector
+{
+public:
+    typedef uint Ref;
+    typedef QVector<uint> Refs;
+
+    static QV4::CallContext *findContext(QV4::ExecutionEngine *engine, int frame);
+    static QV4::Heap::CallContext *findScope(QV4::ExecutionContext *ctxt, int scope);
+    static QVector<QV4::Heap::ExecutionContext::ContextType> getScopeTypes(
+            QV4::ExecutionEngine *engine, int frame);
+
+    QV4DataCollector(QV4::ExecutionEngine *engine);
+    ~QV4DataCollector();
+
+    void collect(const QV4::ScopedValue &value);
+
+    QJsonObject lookupRef(Ref ref);
+
+    Ref addFunctionRef(const QString &functionName);
+    Ref addScriptRef(const QString &scriptName);
+
+    void collectScope(QJsonObject *dict, QV4::Debugging::V4Debugger *debugger, int frameNr,
+                      int scopeNr);
+
+    QV4::ExecutionEngine *engine() const { return m_engine; }
+
+private:
+    friend class RefHolder;
+
+    Ref addRef(QV4::Value value, bool deduplicate = true);
+    QV4::ReturnedValue getValue(Ref ref);
+    bool lookupSpecialRef(Ref ref, QJsonObject *dict);
+
+    QJsonArray collectProperties(const QV4::Object *object);
+    QJsonObject collectAsJson(const QString &name, const QV4::ScopedValue &value);
+    void collectArgumentsInContext();
+
+    QV4::ExecutionEngine *m_engine;
+    Refs *m_collectedRefs;
+    QV4::PersistentValue values;
+    typedef QHash<Ref, QJsonObject> SpecialRefs;
+    SpecialRefs specialRefs;
+};
+
+class RefHolder {
+public:
+    RefHolder(QV4DataCollector *collector, QV4DataCollector::Refs *target) :
+        m_collector(collector), m_previousRefs(collector->m_collectedRefs)
+    {
+        m_collector->m_collectedRefs = target;
+    }
+
+    ~RefHolder()
+    {
+        std::swap(m_collector->m_collectedRefs, m_previousRefs);
+    }
+
+private:
+    QV4DataCollector *m_collector;
+    QV4DataCollector::Refs *m_previousRefs;
+};
+
+class ExpressionEvalJob: public QV4::Debugging::V4Debugger::JavaScriptJob
+{
+    QV4DataCollector *collector;
+    QString exception;
+
+public:
+    ExpressionEvalJob(QV4::ExecutionEngine *engine, int frameNr, const QString &expression,
+                      QV4DataCollector *collector);
+    virtual void handleResult(QV4::ScopedValue &result);
+    const QString &exceptionMessage() const;
+};
+
+class GatherSourcesJob: public QV4::Debugging::V4Debugger::Job
+{
+    QV4::ExecutionEngine *engine;
+    const int seq;
+
+public:
+    GatherSourcesJob(QV4::ExecutionEngine *engine, int seq);
+    void run();
+};
+
+class ArgumentCollectJob: public QV4::Debugging::V4Debugger::Job
+{
+    QV4::ExecutionEngine *engine;
+    QV4DataCollector *collector;
+    QStringList *names;
+    int frameNr;
+    int scopeNr;
+
+public:
+    ArgumentCollectJob(QV4::ExecutionEngine *engine, QV4DataCollector *collector,
+                       QStringList *names, int frameNr, int scopeNr);
+    void run();
+};
+
+class LocalCollectJob: public QV4::Debugging::V4Debugger::Job
+{
+    QV4::ExecutionEngine *engine;
+    QV4DataCollector *collector;
+    QStringList *names;
+    int frameNr;
+    int scopeNr;
+
+public:
+    LocalCollectJob(QV4::ExecutionEngine *engine, QV4DataCollector *collector, QStringList *names,
+                    int frameNr, int scopeNr);
+    void run();
+};
+
+class ThisCollectJob: public QV4::Debugging::V4Debugger::Job
+{
+    QV4::ExecutionEngine *engine;
+    QV4DataCollector *collector;
+    int frameNr;
+    bool *foundThis;
+
+public:
+    ThisCollectJob(QV4::ExecutionEngine *engine, QV4DataCollector *collector, int frameNr,
+                   bool *foundThis);
+    void run();
+    bool myRun();
+};
+
+class ExceptionCollectJob: public QV4::Debugging::V4Debugger::Job
+{
+    QV4::ExecutionEngine *engine;
+    QV4DataCollector *collector;
+
+public:
+    ExceptionCollectJob(QV4::ExecutionEngine *engine, QV4DataCollector *collector);
+    void run();
+};
+
+QT_END_NAMESPACE
+
+#endif // QV4DATACOLLECTOR_H