1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QV4QMLCONTEXT_P_H |
5 | #define QV4QMLCONTEXT_P_H |
6 | |
7 | // |
8 | // W A R N I N G |
9 | // ------------- |
10 | // |
11 | // This file is not part of the Qt API. It exists purely as an |
12 | // implementation detail. This header file may change from version to |
13 | // version without notice, or even be removed. |
14 | // |
15 | // We mean it. |
16 | // |
17 | |
18 | #include <private/qqmlcontextdata_p.h> |
19 | #include <private/qtqmlglobal_p.h> |
20 | #include <private/qv4context_p.h> |
21 | #include <private/qv4object_p.h> |
22 | |
23 | #include <QtCore/qglobal.h> |
24 | |
25 | QT_BEGIN_NAMESPACE |
26 | |
27 | namespace QV4 { |
28 | |
29 | struct QQmlContextWrapper; |
30 | |
31 | namespace Heap { |
32 | |
33 | #define QQmlContextWrapperMembers(class, Member) \ |
34 | Member(class, Pointer, Module *, module) |
35 | |
36 | DECLARE_HEAP_OBJECT(QQmlContextWrapper, Object) { |
37 | DECLARE_MARKOBJECTS(QQmlContextWrapper) |
38 | |
39 | void init(QQmlRefPointer<QQmlContextData> context, QObject *scopeObject); |
40 | void destroy(); |
41 | |
42 | // This has to be a plain pointer because object needs to be a POD type. |
43 | QQmlContextData *context; |
44 | QV4QPointer<QObject> scopeObject; |
45 | }; |
46 | |
47 | #define QmlContextMembers(class, Member) |
48 | |
49 | DECLARE_HEAP_OBJECT(QmlContext, ExecutionContext) { |
50 | DECLARE_MARKOBJECTS(QmlContext) |
51 | |
52 | QQmlContextWrapper *qml() { return static_cast<QQmlContextWrapper *>(activation.get()); } |
53 | void init(QV4::ExecutionContext *outerContext, QV4::QQmlContextWrapper *qml); |
54 | }; |
55 | |
56 | } |
57 | |
58 | struct Q_QML_EXPORT QQmlContextWrapper : Object |
59 | { |
60 | V4_OBJECT2(QQmlContextWrapper, Object) |
61 | V4_NEEDS_DESTROY |
62 | V4_INTERNALCLASS(QmlContextWrapper) |
63 | |
64 | inline QObject *getScopeObject() const { return d()->scopeObject; } |
65 | inline QQmlRefPointer<QQmlContextData> getContext() const { return d()->context; } |
66 | |
67 | static ReturnedValue getPropertyAndBase(const QQmlContextWrapper *resource, PropertyKey id, const Value *receiver, |
68 | bool *hasProperty, Value *base, Lookup *lookup = nullptr); |
69 | static ReturnedValue virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty); |
70 | static bool virtualPut(Managed *m, PropertyKey id, const Value &value, Value *receiver); |
71 | |
72 | static ReturnedValue resolveQmlContextPropertyLookupGetter(Lookup *l, ExecutionEngine *engine, Value *base); |
73 | static ReturnedValue lookupScript(Lookup *l, ExecutionEngine *engine, Value *base); |
74 | static ReturnedValue lookupSingleton(Lookup *l, ExecutionEngine *engine, Value *base); |
75 | static ReturnedValue lookupValueSingleton(Lookup *l, ExecutionEngine *engine, Value *base); |
76 | static ReturnedValue lookupIdObject(Lookup *l, ExecutionEngine *engine, Value *base); |
77 | static ReturnedValue lookupIdObjectInParentContext(Lookup *l, ExecutionEngine *engine, Value *base); |
78 | static ReturnedValue lookupScopeObjectProperty(Lookup *l, ExecutionEngine *engine, Value *base); |
79 | static ReturnedValue lookupScopeObjectMethod(Lookup *l, ExecutionEngine *engine, Value *base); |
80 | static ReturnedValue lookupScopeFallbackProperty(Lookup *l, ExecutionEngine *engine, Value *base); |
81 | static ReturnedValue lookupContextObjectProperty(Lookup *l, ExecutionEngine *engine, Value *base); |
82 | static ReturnedValue lookupContextObjectMethod(Lookup *l, ExecutionEngine *engine, Value *base); |
83 | static ReturnedValue lookupInGlobalObject(Lookup *l, ExecutionEngine *engine, Value *base); |
84 | static ReturnedValue lookupInParentContextHierarchy(Lookup *l, ExecutionEngine *engine, Value *base); |
85 | static ReturnedValue lookupType(Lookup *l, ExecutionEngine *engine, Value *base); |
86 | }; |
87 | |
88 | struct Q_QML_EXPORT QmlContext : public ExecutionContext |
89 | { |
90 | V4_MANAGED(QmlContext, ExecutionContext) |
91 | V4_INTERNALCLASS(QmlContext) |
92 | |
93 | static Heap::QmlContext *create( |
94 | QV4::ExecutionContext *parent, QQmlRefPointer<QQmlContextData> context, |
95 | QObject *scopeObject); |
96 | |
97 | QObject *qmlScope() const { |
98 | return d()->qml()->scopeObject; |
99 | } |
100 | |
101 | QQmlRefPointer<QQmlContextData> qmlContext() const { |
102 | return d()->qml()->context; |
103 | } |
104 | }; |
105 | |
106 | } |
107 | |
108 | QT_END_NAMESPACE |
109 | |
110 | #endif |
111 | |
112 | |