1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include <private/qqmlscriptdata_p.h>
#include <private/qqmlcontext_p.h>
#include <private/qqmlengine_p.h>
#include <private/qqmlscriptblob_p.h>
#include <private/qv4engine_p.h>
#include <private/qv4scopedvalue_p.h>
#include <private/qv4object_p.h>
#include <private/qv4qmlcontext_p.h>
#include <private/qv4module_p.h>
QT_BEGIN_NAMESPACE
QQmlScriptData::QQmlScriptData()
: typeNameCache(nullptr)
, m_loaded(false)
{
}
QQmlContextData *QQmlScriptData::qmlContextDataForContext(QQmlContextData *parentQmlContextData)
{
Q_ASSERT(parentQmlContextData && parentQmlContextData->engine);
if (m_precompiledScript->isESModule())
return nullptr;
auto qmlContextData = new QQmlContextData();
qmlContextData->isInternal = true;
qmlContextData->isJSContext = true;
if (m_precompiledScript->isSharedLibrary())
qmlContextData->isPragmaLibraryContext = true;
else
qmlContextData->isPragmaLibraryContext = parentQmlContextData->isPragmaLibraryContext;
qmlContextData->baseUrl = url;
qmlContextData->baseUrlString = urlString;
// For backward compatibility, if there are no imports, we need to use the
// imports from the parent context. See QTBUG-17518.
if (!typeNameCache->isEmpty()) {
qmlContextData->imports = typeNameCache;
} else if (!m_precompiledScript->isSharedLibrary()) {
qmlContextData->imports = parentQmlContextData->imports;
qmlContextData->importedScripts = parentQmlContextData->importedScripts;
}
if (!m_precompiledScript->isSharedLibrary()) {
qmlContextData->setParent(parentQmlContextData);
} else {
qmlContextData->engine = parentQmlContextData->engine; // Fix for QTBUG-21620
}
QV4::ExecutionEngine *v4 = parentQmlContextData->engine->handle();
QV4::Scope scope(v4);
QV4::ScopedObject scriptsArray(scope);
if (qmlContextData->importedScripts.isNullOrUndefined()) {
scriptsArray = v4->newArrayObject(scripts.count());
qmlContextData->importedScripts.set(v4, scriptsArray);
} else {
scriptsArray = qmlContextData->importedScripts.valueRef();
}
QV4::ScopedValue v(scope);
for (int ii = 0; ii < scripts.count(); ++ii)
scriptsArray->put(ii, (v = scripts.at(ii)->scriptData()->scriptValueForContext(qmlContextData)));
return qmlContextData;
}
QV4::ReturnedValue QQmlScriptData::scriptValueForContext(QQmlContextData *parentQmlContextData)
{
if (m_loaded)
return m_value.value();
Q_ASSERT(parentQmlContextData && parentQmlContextData->engine);
QV4::ExecutionEngine *v4 = parentQmlContextData->engine->handle();
QV4::Scope scope(v4);
QQmlContextDataRef qmlContextData = qmlContextDataForContext(parentQmlContextData);
QV4::Scoped<QV4::QmlContext> qmlExecutionContext(scope);
if (qmlContextData)
qmlExecutionContext =
QV4::QmlContext::create(v4->rootContext(), qmlContextData, /* scopeObject: */ nullptr);
QV4::Scoped<QV4::Module> module(scope, m_precompiledScript->instantiate(v4));
if (module) {
if (qmlContextData) {
module->d()->scope->outer.set(v4, qmlExecutionContext->d());
qmlExecutionContext->d()->qml()->module.set(v4, module->d());
}
module->evaluate();
}
if (v4->hasException) {
QQmlError error = v4->catchExceptionAsQmlError();
if (error.isValid())
QQmlEnginePrivate::get(v4)->warning(error);
}
QV4::ScopedValue value(scope);
if (qmlContextData)
value = qmlExecutionContext->d()->qml();
else if (module)
value = module->d();
if (m_precompiledScript->isSharedLibrary() || m_precompiledScript->isESModule()) {
m_loaded = true;
m_value.set(v4, value);
}
return value->asReturnedValue();
}
QT_END_NAMESPACE
|
