Move memory management related functionality into it's own folder

Start moving the memory related functionality into it's own folder.
This will simplify refactoring of the GC related functionality later
on.

Change-Id: I70ec6f512af7a7897625afb84d914c17572b0ccd
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>

26 files changed, 147 insertions, 86 deletions

diff --git a/src/qml/jsruntime/jsruntime.pri b/src/qml/jsruntime/jsruntime.pri
index ef44ca6f4d..5c63ac1728 100644
--- a/src/qml/jsruntime/jsruntime.pri
+++ b/src/qml/jsruntime/jsruntime.pri
@@ -10,7 +10,6 @@ SOURCES += \
     $$PWD/qv4lookup.cpp \
     $$PWD/qv4identifier.cpp \
     $$PWD/qv4identifiertable.cpp \
-    $$PWD/qv4mm.cpp \
     $$PWD/qv4managed.cpp \
     $$PWD/qv4internalclass.cpp \
     $$PWD/qv4sparsearray.cpp \
@@ -57,7 +56,6 @@ HEADERS += \
     $$PWD/qv4lookup_p.h \
     $$PWD/qv4identifier_p.h \
     $$PWD/qv4identifiertable_p.h \
-    $$PWD/qv4mm_p.h \
     $$PWD/qv4managed_p.h \
     $$PWD/qv4internalclass_p.h \
     $$PWD/qv4sparsearray_p.h \
diff --git a/src/qml/jsruntime/qv4arraydata.cpp b/src/qml/jsruntime/qv4arraydata.cpp
index 737c891f9b..bdc33347ca 100644
--- a/src/qml/jsruntime/qv4arraydata.cpp
+++ b/src/qml/jsruntime/qv4arraydata.cpp
@@ -33,7 +33,7 @@
 #include "qv4arraydata_p.h"
 #include "qv4object_p.h"
 #include "qv4functionobject_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4runtime_p.h"
 #include "qv4argumentsobject_p.h"
 
diff --git a/src/qml/jsruntime/qv4context.cpp b/src/qml/jsruntime/qv4context.cpp
index 09d7393da9..833e281836 100644
--- a/src/qml/jsruntime/qv4context.cpp
+++ b/src/qml/jsruntime/qv4context.cpp
@@ -36,7 +36,7 @@
 #include <qv4context_p.h>
 #include <qv4object_p.h>
 #include <qv4objectproto_p.h>
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include <qv4argumentsobject_p.h>
 #include "qv4function_p.h"
 #include "qv4errorobject_p.h"
diff --git a/src/qml/jsruntime/qv4engine.cpp b/src/qml/jsruntime/qv4engine.cpp
index 48913f8138..14df0fa8dd 100644
--- a/src/qml/jsruntime/qv4engine.cpp
+++ b/src/qml/jsruntime/qv4engine.cpp
@@ -48,7 +48,7 @@
 #include <qv4regexp_p.h>
 #include <qv4variantobject_p.h>
 #include <qv4runtime_p.h>
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include <qv4argumentsobject_p.h>
 #include <qv4dateobject_p.h>
 #include <qv4jsonobject_p.h>
diff --git a/src/qml/jsruntime/qv4errorobject.cpp b/src/qml/jsruntime/qv4errorobject.cpp
index 119ad93e63..531786f30d 100644
--- a/src/qml/jsruntime/qv4errorobject.cpp
+++ b/src/qml/jsruntime/qv4errorobject.cpp
@@ -33,11 +33,13 @@
 
 
 #include "qv4errorobject_p.h"
-#include "qv4mm_p.h"
+#include <QtCore/qnumeric.h>
+#include <QtCore/qmath.h>
 #include <QtCore/QDateTime>
 #include <QtCore/QStringList>
 #include <QtCore/QDebug>
 
+#include <private/qv4mm_p.h>
 #include <private/qqmljsengine_p.h>
 #include <private/qqmljslexer_p.h>
 #include <private/qqmljsparser_p.h>
diff --git a/src/qml/jsruntime/qv4function.cpp b/src/qml/jsruntime/qv4function.cpp
index efe6c7c226..8f737c995b 100644
--- a/src/qml/jsruntime/qv4function.cpp
+++ b/src/qml/jsruntime/qv4function.cpp
@@ -37,7 +37,7 @@
 #include "qv4value_inl_p.h"
 #include "qv4engine_p.h"
 #include "qv4lookup_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/qml/jsruntime/qv4functionobject.cpp b/src/qml/jsruntime/qv4functionobject.cpp
index 5be638e909..6363993578 100644
--- a/src/qml/jsruntime/qv4functionobject.cpp
+++ b/src/qml/jsruntime/qv4functionobject.cpp
@@ -37,7 +37,7 @@
 #include "qv4objectproto_p.h"
 #include "qv4stringobject_p.h"
 #include "qv4function_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 
 #include "qv4arrayobject_p.h"
 #include "qv4scopedvalue_p.h"
diff --git a/src/qml/jsruntime/qv4functionobject_p.h b/src/qml/jsruntime/qv4functionobject_p.h
index 3433e7b8ca..ce00dfb340 100644
--- a/src/qml/jsruntime/qv4functionobject_p.h
+++ b/src/qml/jsruntime/qv4functionobject_p.h
@@ -36,7 +36,7 @@
 #include "qv4object_p.h"
 #include "qv4function_p.h"
 #include "qv4context_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/qml/jsruntime/qv4globalobject.cpp b/src/qml/jsruntime/qv4globalobject.cpp
index f575d4e47b..f332ec5133 100644
--- a/src/qml/jsruntime/qv4globalobject.cpp
+++ b/src/qml/jsruntime/qv4globalobject.cpp
@@ -32,7 +32,7 @@
 ****************************************************************************/
 
 #include "qv4globalobject_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4value_inl_p.h"
 #include "qv4context_p.h"
 #include "qv4function_p.h"
diff --git a/src/qml/jsruntime/qv4managed.cpp b/src/qml/jsruntime/qv4managed.cpp
index c4b9fc597e..a6bce089d0 100644
--- a/src/qml/jsruntime/qv4managed.cpp
+++ b/src/qml/jsruntime/qv4managed.cpp
@@ -32,7 +32,7 @@
 ****************************************************************************/
 
 #include "qv4managed_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4errorobject_p.h"
 
 using namespace QV4;
diff --git a/src/qml/jsruntime/qv4memberdata.cpp b/src/qml/jsruntime/qv4memberdata.cpp
index 03dfee3dcf..66864e2dd6 100644
--- a/src/qml/jsruntime/qv4memberdata.cpp
+++ b/src/qml/jsruntime/qv4memberdata.cpp
@@ -32,7 +32,7 @@
 ****************************************************************************/
 
 #include "qv4memberdata_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 
 using namespace QV4;
 
diff --git a/src/qml/jsruntime/qv4object.cpp b/src/qml/jsruntime/qv4object.cpp
index 211fd1812e..8afed2c274 100644
--- a/src/qml/jsruntime/qv4object.cpp
+++ b/src/qml/jsruntime/qv4object.cpp
@@ -37,7 +37,7 @@
 #include "qv4objectproto_p.h"
 #include "qv4stringobject_p.h"
 #include "qv4argumentsobject_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4lookup_p.h"
 #include "qv4scopedvalue_p.h"
 #include "qv4memberdata_p.h"
diff --git a/src/qml/jsruntime/qv4objectproto.cpp b/src/qml/jsruntime/qv4objectproto.cpp
index 9356ea434e..ed659388f3 100644
--- a/src/qml/jsruntime/qv4objectproto.cpp
+++ b/src/qml/jsruntime/qv4objectproto.cpp
@@ -34,7 +34,7 @@
 
 #include "qv4objectproto_p.h"
 #include "qv4argumentsobject_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4scopedvalue_p.h"
 #include "qv4runtime_p.h"
 #include "qv4objectiterator_p.h"
diff --git a/src/qml/jsruntime/qv4persistent.cpp b/src/qml/jsruntime/qv4persistent.cpp
index dfa9346140..83cee5cd0d 100644
--- a/src/qml/jsruntime/qv4persistent.cpp
+++ b/src/qml/jsruntime/qv4persistent.cpp
@@ -32,7 +32,7 @@
 ****************************************************************************/
 
 #include "qv4persistent_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4object_p.h"
 #include "PageAllocation.h"
 
diff --git a/src/qml/jsruntime/qv4profiling.cpp b/src/qml/jsruntime/qv4profiling.cpp
index a7019d0558..a67d377063 100644
--- a/src/qml/jsruntime/qv4profiling.cpp
+++ b/src/qml/jsruntime/qv4profiling.cpp
@@ -32,7 +32,7 @@
 ****************************************************************************/
 
 #include "qv4profiling_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 
 QT_BEGIN_NAMESPACE
 
diff --git a/src/qml/jsruntime/qv4regexp.cpp b/src/qml/jsruntime/qv4regexp.cpp
index 8e18a5fbdd..715df2d666 100644
--- a/src/qml/jsruntime/qv4regexp.cpp
+++ b/src/qml/jsruntime/qv4regexp.cpp
@@ -34,7 +34,7 @@
 #include "qv4regexp_p.h"
 #include "qv4engine_p.h"
 #include "qv4scopedvalue_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 
 using namespace QV4;
 
diff --git a/src/qml/jsruntime/qv4regexpobject.cpp b/src/qml/jsruntime/qv4regexpobject.cpp
index f6e88e62b7..1fa5653020 100644
--- a/src/qml/jsruntime/qv4regexpobject.cpp
+++ b/src/qml/jsruntime/qv4regexpobject.cpp
@@ -37,7 +37,7 @@
 #include "qv4objectproto_p.h"
 #include "qv4regexp_p.h"
 #include "qv4stringobject_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4scopedvalue_p.h"
 
 #include <private/qqmljsengine_p.h>
diff --git a/src/qml/jsruntime/qv4script.cpp b/src/qml/jsruntime/qv4script.cpp
index 4fde0e2445..81ce0db480 100644
--- a/src/qml/jsruntime/qv4script.cpp
+++ b/src/qml/jsruntime/qv4script.cpp
@@ -32,7 +32,7 @@
 ****************************************************************************/
 
 #include "qv4script_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4functionobject_p.h"
 #include "qv4function_p.h"
 #include "qv4context_p.h"
diff --git a/src/qml/jsruntime/qv4stringobject.cpp b/src/qml/jsruntime/qv4stringobject.cpp
index a589ae94c3..d7f786f39d 100644
--- a/src/qml/jsruntime/qv4stringobject.cpp
+++ b/src/qml/jsruntime/qv4stringobject.cpp
@@ -36,7 +36,7 @@
 #include "qv4regexp_p.h"
 #include "qv4regexpobject_p.h"
 #include "qv4objectproto_p.h"
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #include "qv4scopedvalue_p.h"
 
 #include <QtCore/QDateTime>
diff --git a/src/qml/jsruntime/qv4value.cpp b/src/qml/jsruntime/qv4value.cpp
index 68228f06bb..0ea4676f47 100644
--- a/src/qml/jsruntime/qv4value.cpp
+++ b/src/qml/jsruntime/qv4value.cpp
@@ -35,7 +35,7 @@
 #ifndef V4_BOOTSTRAP
 #include <qv4object_p.h>
 #include <qv4objectproto_p.h>
-#include "qv4mm_p.h"
+#include <private/qv4mm_p.h>
 #endif
 
 #include <wtf/MathExtras.h>
diff --git a/src/qml/jsruntime/qv4value_p.h b/src/qml/jsruntime/qv4value_p.h
index 93cbe9b52d..ea98adc0c8 100644
--- a/src/qml/jsruntime/qv4value_p.h
+++ b/src/qml/jsruntime/qv4value_p.h
@@ -37,6 +37,7 @@
 
 #include <QtCore/QString>
 #include "qv4global_p.h"
+#include <private/qv4heap_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -44,68 +45,6 @@ namespace QV4 {
 
 typedef uint Bool;
 
-namespace Heap {
-
-struct Q_QML_EXPORT Base {
-    union {
-        const ManagedVTable *vtable;
-        quintptr mm_data;
-    };
-
-    inline ReturnedValue asReturnedValue() const;
-    inline void mark(QV4::ExecutionEngine *engine);
-
-    enum {
-        MarkBit = 0x1,
-        NotInUse = 0x2,
-        PointerMask = ~0x3
-    };
-
-    ManagedVTable *gcGetVtable() const {
-        return reinterpret_cast<ManagedVTable *>(mm_data & PointerMask);
-    }
-    inline bool isMarked() const {
-        return mm_data & MarkBit;
-    }
-    inline void setMarkBit() {
-        mm_data |= MarkBit;
-    }
-    inline void clearMarkBit() {
-        mm_data &= ~MarkBit;
-    }
-
-    inline bool inUse() const {
-        return !(mm_data & NotInUse);
-    }
-
-    Base *nextFree() {
-        return reinterpret_cast<Base *>(mm_data & PointerMask);
-    }
-    void setNextFree(Base *m) {
-        mm_data = (reinterpret_cast<quintptr>(m) | NotInUse);
-    }
-
-    void *operator new(size_t, Managed *m) { return m; }
-    void *operator new(size_t, Heap::Base *m) { return m; }
-    void operator delete(void *, Heap::Base *) {}
-};
-
-template <typename T>
-struct Pointer {
-    Pointer() {}
-    Pointer(T *t) : ptr(t) {}
-
-    T *operator->() const { return static_cast<T *>(ptr); }
-    operator T *() const { return static_cast<T *>(ptr); }
-
-    Pointer &operator =(T *t) { ptr = t; return *this; }
-
-    // Use Base, not T here, to ensure T inherits from ptr
-    Base *ptr;
-};
-
-}
-
 struct Q_QML_PRIVATE_EXPORT Value
 {
     /*
diff --git a/src/qml/memory/memory.pri b/src/qml/memory/memory.pri
new file mode 100644
index 0000000000..194df06e85
--- /dev/null
+++ b/src/qml/memory/memory.pri
@@ -0,0 +1,12 @@
+INCLUDEPATH += $$PWD
+INCLUDEPATH += $$OUT_PWD
+
+!qmldevtools_build {
+SOURCES += \
+    $$PWD/qv4mm.cpp \
+
+HEADERS += \
+    $$PWD/qv4heap_p.h \
+    $$PWD/qv4mm_p.h \
+
+}
diff --git a/src/qml/memory/qv4heap_p.h b/src/qml/memory/qv4heap_p.h
new file mode 100644
index 0000000000..96d73766d0
--- /dev/null
+++ b/src/qml/memory/qv4heap_p.h
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** 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 QV4HEAP_P_H
+#define QV4HEAP_P_H
+
+#include <QtCore/QString>
+#include <private/qv4global_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QV4 {
+
+namespace Heap {
+
+struct Q_QML_EXPORT Base {
+    union {
+        const ManagedVTable *vtable;
+        quintptr mm_data;
+    };
+
+    inline ReturnedValue asReturnedValue() const;
+    inline void mark(QV4::ExecutionEngine *engine);
+
+    enum {
+        MarkBit = 0x1,
+        NotInUse = 0x2,
+        PointerMask = ~0x3
+    };
+
+    ManagedVTable *gcGetVtable() const {
+        return reinterpret_cast<ManagedVTable *>(mm_data & PointerMask);
+    }
+    inline bool isMarked() const {
+        return mm_data & MarkBit;
+    }
+    inline void setMarkBit() {
+        mm_data |= MarkBit;
+    }
+    inline void clearMarkBit() {
+        mm_data &= ~MarkBit;
+    }
+
+    inline bool inUse() const {
+        return !(mm_data & NotInUse);
+    }
+
+    Base *nextFree() {
+        return reinterpret_cast<Base *>(mm_data & PointerMask);
+    }
+    void setNextFree(Base *m) {
+        mm_data = (reinterpret_cast<quintptr>(m) | NotInUse);
+    }
+
+    void *operator new(size_t, Managed *m) { return m; }
+    void *operator new(size_t, Heap::Base *m) { return m; }
+    void operator delete(void *, Heap::Base *) {}
+};
+
+template <typename T>
+struct Pointer {
+    Pointer() {}
+    Pointer(T *t) : ptr(t) {}
+
+    T *operator->() const { return static_cast<T *>(ptr); }
+    operator T *() const { return static_cast<T *>(ptr); }
+
+    Pointer &operator =(T *t) { ptr = t; return *this; }
+
+    // Use Base, not T here, to ensure T inherits from ptr
+    Base *ptr;
+};
+
+}
+
+}
+
+QT_END_NAMESPACE
+
+#endif
diff --git a/src/qml/jsruntime/qv4mm.cpp b/src/qml/memory/qv4mm.cpp
index 07408a343c..07408a343c 100644
--- a/src/qml/jsruntime/qv4mm.cpp
+++ b/src/qml/memory/qv4mm.cpp
diff --git a/src/qml/jsruntime/qv4mm_p.h b/src/qml/memory/qv4mm_p.h
index 00b41b796a..422809ba54 100644
--- a/src/qml/jsruntime/qv4mm_p.h
+++ b/src/qml/memory/qv4mm_p.h
@@ -34,9 +34,9 @@
 #ifndef QV4GC_H
 #define QV4GC_H
 
-#include "qv4global_p.h"
-#include "qv4value_inl_p.h"
-#include "qv4scopedvalue_p.h"
+#include <private/qv4global_p.h>
+#include <private/qv4value_p.h>
+#include <private/qv4scopedvalue_p.h>
 
 //#define DETAILED_MM_STATS
 
diff --git a/src/qml/qml.pro b/src/qml/qml.pro
index 6e06fb42ef..cfb08da6a1 100644
--- a/src/qml/qml.pro
+++ b/src/qml/qml.pro
@@ -33,6 +33,7 @@ HEADERS += qtqmlglobal.h \
 
 #modules
 include(util/util.pri)
+include(memory/memory.pri)
 include(parser/parser.pri)
 include(compiler/compiler.pri)
 include(jsapi/jsapi.pri)