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qv4include.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQml module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see https://www.qt.io/terms-conditions. For further-
15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and-
34** https://www.gnu.org/licenses/gpl-3.0.html.-
35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include "qv4include_p.h"-
41#include "qv4scopedvalue_p.h"-
42#include "qv4jscall_p.h"-
43-
44#include <QtQml/qjsengine.h>-
45#if QT_CONFIG(qml_network)-
46#include <QtNetwork/qnetworkrequest.h>-
47#include <QtNetwork/qnetworkreply.h>-
48#endif-
49#include <QtCore/qfile.h>-
50#include <QtQml/qqmlfile.h>-
51-
52#include <private/qqmlengine_p.h>-
53#include <private/qv4engine_p.h>-
54#include <private/qv4functionobject_p.h>-
55#include <private/qv4script_p.h>-
56#include <private/qv4context_p.h>-
57-
58QT_BEGIN_NAMESPACE-
59-
60QV4Include::QV4Include(const QUrl &url, QV4::ExecutionEngine *engine,-
61 QV4::QmlContext *qmlContext, const QV4::Value &callback)-
62 : v4(engine), m_url(url)-
63#if QT_CONFIG(qml_network)-
64 , m_redirectCount(0), m_network(nullptr) , m_reply(nullptr)-
65#endif-
66{-
67 if (qmlContext)
qmlContextDescription
TRUEevaluated 6 times by 1 test
Evaluated by:
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FALSEnever evaluated
0-6
68 m_qmlContext.set(engine, *qmlContext);
executed 6 times by 1 test: m_qmlContext.set(engine, *qmlContext);
Executed by:
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6
69 if (callback.as<QV4::FunctionObject>())
callback.as<QV...ctionObject>()Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • tst_qqmlecmascript
FALSEnever evaluated
0-6
70 m_callbackFunction.set(engine, callback);
executed 6 times by 1 test: m_callbackFunction.set(engine, callback);
Executed by:
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6
71-
72 m_resultObject.set(v4, resultValue(v4));-
73-
74#if QT_CONFIG(qml_network)-
75 m_network = engine->v8Engine->networkAccessManager();-
76-
77 QNetworkRequest request;-
78 request.setUrl(url);-
79-
80 m_reply = m_network->get(request);-
81 QObject::connect(m_reply, SIGNAL(finished()), this, SLOT(finished()));-
82#else-
83 finished();-
84#endif-
85}
executed 6 times by 1 test: end of block
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6
86-
87QV4Include::~QV4Include()-
88{-
89#if QT_CONFIG(qml_network)-
90 delete m_reply;-
91 m_reply = nullptr;-
92#endif-
93}
executed 6 times by 1 test: end of block
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6
94-
95QV4::ReturnedValue QV4Include::resultValue(QV4::ExecutionEngine *v4, Status status,-
96 const QString &statusText)-
97{-
98 QV4::Scope scope(v4);-
99-
100 // XXX It seems inefficient to create this object from scratch each time.-
101 QV4::ScopedObject o(scope, v4->newObject());-
102 QV4::ScopedString s(scope);-
103 QV4::ScopedValue v(scope);-
104 o->put((s = v4->newString(QStringLiteral("OK"))), (v = QV4::Primitive::fromInt32(Ok)));
executed 30 times by 3 tests: return qstring_literal_temp;
Executed by:
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30
105 o->put((s = v4->newString(QStringLiteral("LOADING"))), (v = QV4::Primitive::fromInt32(Loading)));
executed 30 times by 3 tests: return qstring_literal_temp;
Executed by:
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30
106 o->put((s = v4->newString(QStringLiteral("NETWORK_ERROR"))), (v = QV4::Primitive::fromInt32(NetworkError)));
executed 30 times by 3 tests: return qstring_literal_temp;
Executed by:
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30
107 o->put((s = v4->newString(QStringLiteral("EXCEPTION"))), (v = QV4::Primitive::fromInt32(Exception)));
executed 30 times by 3 tests: return qstring_literal_temp;
Executed by:
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30
108 o->put((s = v4->newString(QStringLiteral("status"))), (v = QV4::Primitive::fromInt32(status)));
executed 30 times by 3 tests: return qstring_literal_temp;
Executed by:
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30
109 if (!statusText.isEmpty())
!statusText.isEmpty()Description
TRUEevaluated 2 times by 1 test
Evaluated by:
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FALSEevaluated 28 times by 3 tests
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2-28
110 o->put((s = v4->newString(QStringLiteral("statusText"))), (v = v4->newString(statusText)));
executed 2 times by 1 test: o->put((s = v4->newString(([]() noexcept -> QString { enum { Size = sizeof(u"" "statusText")/2 - 1 }; static const QStaticStringData<Size> qstring_literal = { { { { -1 } }, Size, 0, 0, sizeof(QStringData) }, u"" "statusText" }; QStringDataPtr holder = { qstring_literal.data_ptr() }; const QString qstring_literal_temp(holder); return qstring_literal_temp; }()))), (v = v4->newString(statusText)));
Executed by:
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executed 2 times by 1 test: return qstring_literal_temp;
Executed by:
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2
111-
112 return o.asReturnedValue();
executed 30 times by 3 tests: return o.asReturnedValue();
Executed by:
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30
113}-
114-
115void QV4Include::callback(const QV4::Value &callback, const QV4::Value &status)-
116{-
117 if (!callback.isObject())
!callback.isObject()Description
TRUEevaluated 18 times by 3 tests
Evaluated by:
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FALSEevaluated 12 times by 1 test
Evaluated by:
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12-18
118 return;
executed 18 times by 3 tests: return;
Executed by:
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18
119 QV4::ExecutionEngine *v4 = callback.as<QV4::Object>()->engine();-
120 QV4::Scope scope(v4);-
121 QV4::ScopedFunctionObject f(scope, callback);-
122 if (!f)
!fDescription
TRUEnever evaluated
FALSEevaluated 12 times by 1 test
Evaluated by:
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0-12
123 return;
never executed: return;
0
124-
125 QV4::JSCallData jsCallData(scope, 1);-
126 *jsCallData->thisObject = v4->globalObject->asReturnedValue();-
127 jsCallData->args[0] = status;-
128 f->call(jsCallData);-
129 if (scope.hasException())
scope.hasException()Description
TRUEnever evaluated
FALSEevaluated 12 times by 1 test
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0-12
130 scope.engine->catchException();
never executed: scope.engine->catchException();
0
131}
executed 12 times by 1 test: end of block
Executed by:
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12
132-
133QV4::ReturnedValue QV4Include::result()-
134{-
135 return m_resultObject.value();
executed 6 times by 1 test: return m_resultObject.value();
Executed by:
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6
136}-
137-
138#define INCLUDE_MAXIMUM_REDIRECT_RECURSION 15-
139void QV4Include::finished()-
140{-
141#if QT_CONFIG(qml_network)-
142 m_redirectCount++;-
143-
144 if (m_redirectCount < INCLUDE_MAXIMUM_REDIRECT_RECURSION) {
m_redirectCount < 15Description
TRUEevaluated 6 times by 1 test
Evaluated by:
  • tst_qqmlecmascript
FALSEnever evaluated
0-6
145 QVariant redirect = m_reply->attribute(QNetworkRequest::RedirectionTargetAttribute);-
146 if (redirect.isValid()) {
redirect.isValid()Description
TRUEnever evaluated
FALSEevaluated 6 times by 1 test
Evaluated by:
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0-6
147 m_url = m_url.resolved(redirect.toUrl());-
148 delete m_reply;-
149-
150 QNetworkRequest request;-
151 request.setUrl(m_url);-
152-
153 m_reply = m_network->get(request);-
154 QObject::connect(m_reply, SIGNAL(finished()), this, SLOT(finished()));-
155 return;
never executed: return;
0
156 }-
157 }
executed 6 times by 1 test: end of block
Executed by:
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6
158-
159 QV4::Scope scope(v4);-
160 QV4::ScopedObject resultObj(scope, m_resultObject.value());-
161 QV4::ScopedString status(scope, v4->newString(QStringLiteral("status")));
executed 6 times by 1 test: return qstring_literal_temp;
Executed by:
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6
162 if (m_reply->error() == QNetworkReply::NoError) {
m_reply->error...Reply::NoErrorDescription
TRUEevaluated 4 times by 1 test
Evaluated by:
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FALSEevaluated 2 times by 1 test
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2-4
163 QByteArray data = m_reply->readAll();-
164-
165 QString code = QString::fromUtf8(data);-
166 QmlIR::Document::removeScriptPragmas(code);-
167-
168 QV4::Scoped<QV4::QmlContext> qml(scope, m_qmlContext.value());-
169 QV4::Script script(v4, qml, code, m_url.toString());-
170-
171 script.parse();-
172 if (!scope.engine->hasException)
!scope.engine->hasExceptionDescription
TRUEevaluated 4 times by 1 test
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FALSEnever evaluated
0-4
173 script.run();
executed 4 times by 1 test: script.run();
Executed by:
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4
174 if (scope.engine->hasException) {
scope.engine->hasExceptionDescription
TRUEevaluated 2 times by 1 test
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FALSEevaluated 2 times by 1 test
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2
175 QV4::ScopedValue ex(scope, scope.engine->catchException());-
176 resultObj->put(status, QV4::ScopedValue(scope, QV4::Primitive::fromInt32(Exception)));-
177 QV4::ScopedString exception(scope, v4->newString(QStringLiteral("exception")));
executed 2 times by 1 test: return qstring_literal_temp;
Executed by:
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2
178 resultObj->put(exception, ex);-
179 } else {
executed 2 times by 1 test: end of block
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180 resultObj->put(status, QV4::ScopedValue(scope, QV4::Primitive::fromInt32(Ok)));-
181 }
executed 2 times by 1 test: end of block
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2
182 } else {-
183 resultObj->put(status, QV4::ScopedValue(scope, QV4::Primitive::fromInt32(NetworkError)));-
184 }
executed 2 times by 1 test: end of block
Executed by:
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2
185#else-
186 QV4::Scope scope(v4);-
187 QV4::ScopedObject resultObj(scope, m_resultObject.value());-
188 QV4::ScopedString status(scope, v4->newString(QStringLiteral("status")));-
189 resultObj->put(status, QV4::ScopedValue(scope, QV4::Primitive::fromInt32(NetworkError)));-
190#endif // qml_network-
191-
192 QV4::ScopedValue cb(scope, m_callbackFunction.value());-
193 callback(cb, resultObj);-
194-
195 disconnect();-
196 deleteLater();-
197}
executed 6 times by 1 test: end of block
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6
198-
199/*-
200 Documented in qv8engine.cpp-
201*/-
202QV4::ReturnedValue QV4Include::method_include(const QV4::FunctionObject *b, const QV4::Value *, const QV4::Value *argv, int argc)-
203{-
204 QV4::Scope scope(b);-
205 if (!argc)
!argcDescription
TRUEnever evaluated
FALSEevaluated 30 times by 3 tests
Evaluated by:
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0-30
206 RETURN_UNDEFINED();
never executed: return QV4::Encode::undefined();
0
207-
208 QQmlContextData *context = scope.engine->callingQmlContext();-
209-
210 if (!context || !context->isJSContext)
!contextDescription
TRUEnever evaluated
FALSEevaluated 30 times by 3 tests
Evaluated by:
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!context->isJSContextDescription
TRUEnever evaluated
FALSEevaluated 30 times by 3 tests
Evaluated by:
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0-30
211 RETURN_RESULT(scope.engine->throwError(QString::fromUtf8("Qt.include(): Can only be called from JavaScript files")));
never executed: return QV4::Encode(scope.engine->throwError(QString::fromUtf8("Qt.include(): Can only be called from JavaScript files")));
0
212-
213 QV4::ScopedValue callbackFunction(scope, QV4::Primitive::undefinedValue());-
214 if (argc >= 2 && argv[1].as<QV4::FunctionObject>())
argc >= 2Description
TRUEevaluated 12 times by 1 test
Evaluated by:
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FALSEevaluated 18 times by 3 tests
Evaluated by:
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argv[1].as<QV4...ctionObject>()Description
TRUEevaluated 12 times by 1 test
Evaluated by:
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FALSEnever evaluated
0-18
215 callbackFunction = argv[1];
executed 12 times by 1 test: callbackFunction = argv[1];
Executed by:
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12
216-
217#if QT_CONFIG(qml_network)-
218 QUrl url(scope.engine->resolvedUrl(argv[0].toQStringNoThrow()));-
219 if (scope.engine->qmlEngine() && scope.engine->qmlEngine()->urlInterceptor())
scope.engine->qmlEngine()Description
TRUEevaluated 28 times by 2 tests
Evaluated by:
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FALSEevaluated 2 times by 1 test
Evaluated by:
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scope.engine->...lInterceptor()Description
TRUEnever evaluated
FALSEevaluated 28 times by 2 tests
Evaluated by:
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0-28
220 url = scope.engine->qmlEngine()->urlInterceptor()->intercept(url, QQmlAbstractUrlInterceptor::JavaScriptFile);
never executed: url = scope.engine->qmlEngine()->urlInterceptor()->intercept(url, QQmlAbstractUrlInterceptor::JavaScriptFile);
0
221-
222 QString localFile = QQmlFile::urlToLocalFileOrQrc(url);-
223-
224 QV4::ScopedValue result(scope);-
225 QV4::Scoped<QV4::QmlContext> qmlcontext(scope, scope.engine->qmlContext());-
226-
227 if (localFile.isEmpty()) {
localFile.isEmpty()Description
TRUEevaluated 6 times by 1 test
Evaluated by:
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FALSEevaluated 24 times by 3 tests
Evaluated by:
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6-24
228 QV4Include *i = new QV4Include(url, scope.engine, qmlcontext, callbackFunction);-
229 result = i->result();-
230-
231 } else {
executed 6 times by 1 test: end of block
Executed by:
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6
232 QScopedPointer<QV4::Script> script;-
233 QString error;-
234 script.reset(QV4::Script::createFromFileOrCache(scope.engine, qmlcontext, localFile, url, &error));-
235-
236 if (!script.isNull()) {
!script.isNull()Description
TRUEevaluated 22 times by 3 tests
Evaluated by:
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FALSEevaluated 2 times by 1 test
Evaluated by:
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2-22
237 script->parse();-
238 if (!scope.engine->hasException)
!scope.engine->hasExceptionDescription
TRUEevaluated 22 times by 3 tests
Evaluated by:
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FALSEnever evaluated
0-22
239 script->run();
executed 22 times by 3 tests: script->run();
Executed by:
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22
240 if (scope.engine->hasException) {
scope.engine->hasExceptionDescription
TRUEevaluated 2 times by 1 test
Evaluated by:
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FALSEevaluated 20 times by 3 tests
Evaluated by:
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2-20
241 QV4::ScopedValue ex(scope, scope.engine->catchException());-
242 result = resultValue(scope.engine, Exception);-
243 QV4::ScopedString exception(scope, scope.engine->newString(QStringLiteral("exception")));
executed 2 times by 1 test: return qstring_literal_temp;
Executed by:
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2
244 result->as<QV4::Object>()->put(exception, ex);-
245 } else {
executed 2 times by 1 test: end of block
Executed by:
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2
246 result = resultValue(scope.engine, Ok);-
247 }
executed 20 times by 3 tests: end of block
Executed by:
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20
248 } else {-
249 result = resultValue(scope.engine, NetworkError, error);-
250 }
executed 2 times by 1 test: end of block
Executed by:
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2
251-
252 callback(callbackFunction, result);-
253 }
executed 24 times by 3 tests: end of block
Executed by:
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24
254-
255#else-
256 QV4::ScopedValue result(scope);-
257 result = resultValue(scope.engine, NetworkError);-
258 callback(callbackFunction, result);-
259#endif-
260-
261 return result->asReturnedValue();
executed 30 times by 3 tests: return result->asReturnedValue();
Executed by:
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30
262}-
263-
264QT_END_NAMESPACE-
265-
266#include "moc_qv4include_p.cpp"-
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