Move ScopedCallData and ScopedStackFrame into a separate file

Change-Id: I9ae42aa7a811aa93fe0950725e9d253a0c5e8dba
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

1 files changed, 118 insertions, 0 deletions

diff --git a/src/qml/jsruntime/qv4jscall_p.h b/src/qml/jsruntime/qv4jscall_p.h
new file mode 100644
index 0000000000..f871034789
--- /dev/null
+++ b/src/qml/jsruntime/qv4jscall_p.h
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef QV4JSCALL_H
+#define QV4JSCALL_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qv4object_p.h"
+#include "qv4function_p.h"
+#include "qv4functionobject_p.h"
+#include "qv4context_p.h"
+#include "qv4scopedvalue_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QV4 {
+
+struct ScopedCallData {
+    ScopedCallData(const Scope &scope, int argc = 0)
+    {
+        int size = int(offsetof(QV4::CallData, args)/sizeof(QV4::Value)) + qMax(argc , int(QV4::Global::ReservedArgumentCount));
+        ptr = reinterpret_cast<CallData *>(scope.alloc(size));
+        ptr->tag = quint32(QV4::Value::ValueTypeInternal::Integer);
+        ptr->argc = argc;
+    }
+
+    ScopedCallData(const Scope &scope, const FunctionObject *function, int argc = 0)
+    {
+        int size = int(offsetof(QV4::CallData, args)/sizeof(QV4::Value)) + qMax(argc , int(QV4::Global::ReservedArgumentCount));
+        ptr = reinterpret_cast<CallData *>(scope.alloc(size));
+        ptr->tag = quint32(QV4::Value::ValueTypeInternal::Integer);
+        ptr->argc = argc;
+        ptr->function = *function;
+    }
+
+    CallData *operator->() {
+        return ptr;
+    }
+
+    operator CallData *() const {
+        return ptr;
+    }
+
+    ReturnedValue call() const {
+        return static_cast<FunctionObject &>(ptr->function).call(ptr);
+    }
+
+    CallData *ptr;
+};
+
+struct ScopedStackFrame {
+    Scope &scope;
+    CppStackFrame frame;
+
+    ScopedStackFrame(Scope &scope, Heap::ExecutionContext *context)
+        : scope(scope)
+    {
+        frame.parent = scope.engine->currentStackFrame;
+        if (!context)
+            return;
+        frame.jsFrame = reinterpret_cast<CallData *>(scope.alloc(sizeof(CallData)/sizeof(Value)));
+        frame.jsFrame->context = context;
+        frame.v4Function = frame.parent ? frame.parent->v4Function : 0;
+        scope.engine->currentStackFrame = &frame;
+    }
+    ~ScopedStackFrame() {
+        scope.engine->currentStackFrame = frame.parent;
+    }
+};
+
+}
+
+#endif