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qv4serialize.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-
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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-
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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-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include "qv4serialize_p.h"-
41-
42#include <private/qv8engine_p.h>-
43#if QT_CONFIG(qml_list_model)-
44#include <private/qqmllistmodel_p.h>-
45#include <private/qqmllistmodelworkeragent_p.h>-
46#endif-
47-
48#include <private/qv4value_p.h>-
49#include <private/qv4dateobject_p.h>-
50#include <private/qv4regexpobject_p.h>-
51#if QT_CONFIG(qml_sequence_object)-
52#include <private/qv4sequenceobject_p.h>-
53#endif-
54#include <private/qv4objectproto_p.h>-
55#include <private/qv4qobjectwrapper_p.h>-
56-
57QT_BEGIN_NAMESPACE-
58-
59using namespace QV4;-
60-
61// We allow the following JavaScript types to be passed between the main and-
62// the secondary thread:-
63// + undefined-
64// + null-
65// + Boolean-
66// + String-
67// + Function-
68// + Array-
69// + "Simple" Objects-
70// + Number-
71// + Date-
72// + RegExp-
73// <quint8 type><quint24 size><data>-
74-
75enum Type {-
76 WorkerUndefined,-
77 WorkerNull,-
78 WorkerTrue,-
79 WorkerFalse,-
80 WorkerString,-
81 WorkerFunction,-
82 WorkerArray,-
83 WorkerObject,-
84 WorkerInt32,-
85 WorkerUint32,-
86 WorkerNumber,-
87 WorkerDate,-
88 WorkerRegexp,-
89#if QT_CONFIG(qml_list_model)-
90 WorkerListModel,-
91#endif-
92#if QT_CONFIG(qml_sequence_object)-
93 WorkerSequence-
94#endif-
95};-
96-
97static inline quint32 valueheader(Type type, quint32 size = 0)-
98{-
99 return quint8(type) << 24 | (size & 0xFFFFFF);
executed 11872 times by 5 tests: return quint8(type) << 24 | (size & 0xFFFFFF);
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11872
100}-
101-
102static inline Type headertype(quint32 header)-
103{-
104 return (Type)(header >> 24);
executed 11860 times by 5 tests: return (Type)(header >> 24);
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11860
105}-
106-
107static inline quint32 headersize(quint32 header)-
108{-
109 return header & 0xFFFFFF;
executed 8682 times by 5 tests: return header & 0xFFFFFF;
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8682
110}-
111-
112static inline void push(QByteArray &data, quint32 value)-
113{-
114 data.append((const char *)&value, sizeof(quint32));-
115}
executed 12496 times by 5 tests: end of block
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12496
116-
117static inline void push(QByteArray &data, double value)-
118{-
119 data.append((const char *)&value, sizeof(double));-
120}
executed 126 times by 3 tests: end of block
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126
121-
122static inline void push(QByteArray &data, void *ptr)-
123{-
124 data.append((const char *)&ptr, sizeof(void *));-
125}
executed 928 times by 2 tests: end of block
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928
126-
127static inline void reserve(QByteArray &data, int extra)-
128{-
129 data.reserve(data.size() + extra);-
130}
executed 7564 times by 5 tests: end of block
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7564
131-
132static inline quint32 popUint32(const char *&data)-
133{-
134 quint32 rv = *((const quint32 *)data);-
135 data += sizeof(quint32);-
136 return rv;
executed 12484 times by 5 tests: return rv;
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12484
137}-
138-
139static inline double popDouble(const char *&data)-
140{-
141 double rv = *((const double *)data);-
142 data += sizeof(double);-
143 return rv;
executed 126 times by 3 tests: return rv;
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126
144}-
145-
146static inline void *popPtr(const char *&data)-
147{-
148 void *rv = *((void *const *)data);-
149 data += sizeof(void *);-
150 return rv;
executed 928 times by 2 tests: return rv;
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928
151}-
152-
153// XXX TODO: Check that worker script is exception safe in the case of-
154// serialization/deserialization failures-
155-
156#define ALIGN(size) (((size) + 3) & ~3)-
157void Serialize::serialize(QByteArray &data, const QV4::Value &v, ExecutionEngine *engine)-
158{-
159 QV4::Scope scope(engine);-
160-
161 if (v.isEmpty()) {
v.isEmpty()Description
TRUEnever evaluated
FALSEevaluated 11872 times by 5 tests
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0-11872
162 Q_ASSERT(!"Serialize: got empty value");-
163 } else if (v.isUndefined()) {
never executed: end of block
v.isUndefined()Description
TRUEevaluated 460 times by 2 tests
Evaluated by:
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FALSEevaluated 11412 times by 5 tests
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0-11412
164 push(data, valueheader(WorkerUndefined));-
165 } else if (v.isNull()) {
executed 460 times by 2 tests: end of block
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v.isNull()Description
TRUEevaluated 56 times by 1 test
Evaluated by:
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FALSEevaluated 11356 times by 5 tests
Evaluated by:
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56-11356
166 push(data, valueheader(WorkerNull));-
167 } else if (v.isBoolean()) {
executed 56 times by 1 test: end of block
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v.isBoolean()Description
TRUEevaluated 986 times by 3 tests
Evaluated by:
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FALSEevaluated 10370 times by 5 tests
Evaluated by:
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56-10370
168 push(data, valueheader(v.booleanValue() == true ? WorkerTrue : WorkerFalse));-
169 } else if (v.isString()) {
executed 986 times by 3 tests: end of block
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v.isString()Description
TRUEevaluated 5888 times by 5 tests
Evaluated by:
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FALSEevaluated 4482 times by 5 tests
Evaluated by:
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986-5888
170 const QString &qstr = v.toQString();-
171 int length = qstr.length();-
172 if (length > 0xFFFFFF) {
length > 0xFFFFFFDescription
TRUEnever evaluated
FALSEevaluated 5888 times by 5 tests
Evaluated by:
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0-5888
173 push(data, valueheader(WorkerUndefined));-
174 return;
never executed: return;
0
175 }-
176 int utf16size = ALIGN(length * sizeof(quint16));-
177-
178 reserve(data, utf16size + sizeof(quint32));-
179 push(data, valueheader(WorkerString, length));-
180-
181 int offset = data.size();-
182 data.resize(data.size() + utf16size);-
183 char *buffer = data.data() + offset;-
184-
185 memcpy(buffer, qstr.constData(), length*sizeof(QChar));-
186 } else if (v.as<FunctionObject>()) {
executed 5888 times by 5 tests: end of block
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v.as<FunctionObject>()Description
TRUEnever evaluated
FALSEevaluated 4482 times by 5 tests
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0-5888
187 // XXX TODO: Implement passing function objects between the main and-
188 // worker scripts-
189 push(data, valueheader(WorkerUndefined));-
190 } else if (const QV4::ArrayObject *array = v.as<ArrayObject>()) {
never executed: end of block
const QV4::Arr...ArrayObject>()Description
TRUEevaluated 858 times by 3 tests
Evaluated by:
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FALSEevaluated 3624 times by 5 tests
Evaluated by:
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0-3624
191 uint length = array->getLength();-
192 if (length > 0xFFFFFF) {
length > 0xFFFFFFDescription
TRUEnever evaluated
FALSEevaluated 858 times by 3 tests
Evaluated by:
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0-858
193 push(data, valueheader(WorkerUndefined));-
194 return;
never executed: return;
0
195 }-
196 reserve(data, sizeof(quint32) + length * sizeof(quint32));-
197 push(data, valueheader(WorkerArray, length));-
198 ScopedValue val(scope);-
199 for (uint ii = 0; ii < length; ++ii)
ii < lengthDescription
TRUEevaluated 2046 times by 3 tests
Evaluated by:
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FALSEevaluated 858 times by 3 tests
Evaluated by:
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858-2046
200 serialize(data, (val = array->get(ii)), engine);
executed 2046 times by 3 tests: serialize(data, (val = array->get(ii)), engine);
Executed by:
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2046
201 } else if (v.isInteger()) {
executed 858 times by 3 tests: end of block
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v.isInteger()Description
TRUEevaluated 620 times by 3 tests
Evaluated by:
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FALSEevaluated 3004 times by 5 tests
Evaluated by:
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620-3004
202 reserve(data, 2 * sizeof(quint32));-
203 push(data, valueheader(WorkerInt32));-
204 push(data, (quint32)v.integerValue());-
205// } else if (v.IsUint32()) {-
206// reserve(data, 2 * sizeof(quint32));-
207// push(data, valueheader(WorkerUint32));-
208// push(data, v.Uint32Value());-
209 } else if (v.isNumber()) {
executed 620 times by 3 tests: end of block
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v.isNumber()Description
TRUEevaluated 122 times by 3 tests
Evaluated by:
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FALSEevaluated 2882 times by 5 tests
Evaluated by:
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122-2882
210 reserve(data, sizeof(quint32) + sizeof(double));-
211 push(data, valueheader(WorkerNumber));-
212 push(data, v.asDouble());-
213 } else if (const QV4::DateObject *d = v.as<DateObject>()) {
executed 122 times by 3 tests: end of block
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const QV4::Dat...<DateObject>()Description
TRUEevaluated 4 times by 1 test
Evaluated by:
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FALSEevaluated 2878 times by 5 tests
Evaluated by:
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4-2878
214 reserve(data, sizeof(quint32) + sizeof(double));-
215 push(data, valueheader(WorkerDate));-
216 push(data, d->date());-
217 } else if (const RegExpObject *re = v.as<RegExpObject>()) {
executed 4 times by 1 test: end of block
Executed by:
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const RegExpOb...egExpObject>()Description
TRUEevaluated 4 times by 1 test
Evaluated by:
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FALSEevaluated 2874 times by 5 tests
Evaluated by:
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4-2874
218 quint32 flags = re->flags();-
219 QString pattern = re->source();-
220 int length = pattern.length() + 1;-
221 if (length > 0xFFFFFF) {
length > 0xFFFFFFDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • tst_qquickworkerscript
0-4
222 push(data, valueheader(WorkerUndefined));-
223 return;
never executed: return;
0
224 }-
225 int utf16size = ALIGN(length * sizeof(quint16));-
226-
227 reserve(data, sizeof(quint32) + utf16size);-
228 push(data, valueheader(WorkerRegexp, flags));-
229 push(data, (quint32)length);-
230-
231 int offset = data.size();-
232 data.resize(data.size() + utf16size);-
233 char *buffer = data.data() + offset;-
234-
235 memcpy(buffer, pattern.constData(), length*sizeof(QChar));-
236 } else if (const QObjectWrapper *qobjectWrapper = v.as<QV4::QObjectWrapper>()) {
executed 4 times by 1 test: end of block
Executed by:
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const QObjectW...jectWrapper>()Description
TRUEevaluated 934 times by 3 tests
Evaluated by:
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FALSEevaluated 1940 times by 5 tests
Evaluated by:
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4-1940
237 // XXX TODO: Generalize passing objects between the main thread and worker scripts so-
238 // that others can trivially plug in their elements.-
239#if QT_CONFIG(qml_list_model)-
240 QQmlListModel *lm = qobject_cast<QQmlListModel *>(qobjectWrapper->object());-
241 if (lm && lm->agent()) {
lmDescription
TRUEevaluated 928 times by 2 tests
Evaluated by:
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FALSEevaluated 6 times by 1 test
Evaluated by:
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lm->agent()Description
TRUEevaluated 928 times by 2 tests
Evaluated by:
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FALSEnever evaluated
0-928
242 QQmlListModelWorkerAgent *agent = lm->agent();-
243 agent->addref();-
244 push(data, valueheader(WorkerListModel));-
245 push(data, (void *)agent);-
246 return;
executed 928 times by 2 tests: return;
Executed by:
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928
247 }-
248#else-
249 Q_UNUSED(qobjectWrapper);-
250#endif-
251 // No other QObject's are allowed to be sent-
252 push(data, valueheader(WorkerUndefined));-
253 } else if (const Object *o = v.as<Object>()) {
executed 6 times by 1 test: end of block
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const Object *...v.as<Object>()Description
TRUEevaluated 1940 times by 5 tests
Evaluated by:
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FALSEnever evaluated
0-1940
254#if QT_CONFIG(qml_sequence_object)-
255 if (o->isListType()) {
o->isListType()Description
TRUEevaluated 68 times by 2 tests
Evaluated by:
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FALSEevaluated 1872 times by 4 tests
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68-1872
256 // valid sequence. we generate a length (sequence length + 1 for the sequence type)-
257 uint seqLength = ScopedValue(scope, o->get(engine->id_length()))->toUInt32();-
258 uint length = seqLength + 1;-
259 if (length > 0xFFFFFF) {
length > 0xFFFFFFDescription
TRUEnever evaluated
FALSEevaluated 68 times by 2 tests
Evaluated by:
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0-68
260 push(data, valueheader(WorkerUndefined));-
261 return;
never executed: return;
0
262 }-
263 reserve(data, sizeof(quint32) + length * sizeof(quint32));-
264 push(data, valueheader(WorkerSequence, length));-
265 serialize(data, QV4::Primitive::fromInt32(QV4::SequencePrototype::metaTypeForSequence(o)), engine); // sequence type-
266 ScopedValue val(scope);-
267 for (uint ii = 0; ii < seqLength; ++ii)
ii < seqLengthDescription
TRUEevaluated 188 times by 2 tests
Evaluated by:
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FALSEevaluated 68 times by 2 tests
Evaluated by:
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68-188
268 serialize(data, (val = o->get(ii)), engine); // sequence elements
executed 188 times by 2 tests: serialize(data, (val = o->get(ii)), engine);
Executed by:
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188
269-
270 return;
executed 68 times by 2 tests: return;
Executed by:
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68
271 }-
272#endif-
273-
274 // regular object-
275 QV4::ScopedValue val(scope, v);-
276 QV4::ScopedArrayObject properties(scope, QV4::ObjectPrototype::getOwnPropertyNames(engine, val));-
277 quint32 length = properties->getLength();-
278 if (length > 0xFFFFFF) {
length > 0xFFFFFFDescription
TRUEnever evaluated
FALSEevaluated 1872 times by 4 tests
Evaluated by:
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0-1872
279 push(data, valueheader(WorkerUndefined));-
280 return;
never executed: return;
0
281 }-
282 push(data, valueheader(WorkerObject, length));-
283-
284 QV4::ScopedValue s(scope);-
285 for (quint32 ii = 0; ii < length; ++ii) {
ii < lengthDescription
TRUEevaluated 3706 times by 4 tests
Evaluated by:
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FALSEevaluated 1872 times by 4 tests
Evaluated by:
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1872-3706
286 s = properties->get(ii);-
287 serialize(data, s, engine);-
288-
289 QV4::String *str = s->as<String>();-
290 val = o->get(str);-
291 if (scope.hasException())
scope.hasException()Description
TRUEnever evaluated
FALSEevaluated 3706 times by 4 tests
Evaluated by:
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0-3706
292 scope.engine->catchException();
never executed: scope.engine->catchException();
0
293-
294 serialize(data, val, engine);-
295 }
executed 3706 times by 4 tests: end of block
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3706
296 return;
executed 1872 times by 4 tests: return;
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1872
297 } else {-
298 push(data, valueheader(WorkerUndefined));-
299 }
never executed: end of block
0
300}-
301-
302ReturnedValue Serialize::deserialize(const char *&data, ExecutionEngine *engine)-
303{-
304 quint32 header = popUint32(data);-
305 Type type = headertype(header);-
306-
307 Scope scope(engine);-
308-
309 switch (type) {-
310 case WorkerUndefined:
executed 466 times by 2 tests: case WorkerUndefined:
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466
311 return QV4::Encode::undefined();
executed 466 times by 2 tests: return QV4::Encode::undefined();
Executed by:
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
466
312 case WorkerNull:
executed 56 times by 1 test: case WorkerNull:
Executed by:
  • tst_qqmllistmodelworkerscript
56
313 return QV4::Encode::null();
executed 56 times by 1 test: return QV4::Encode::null();
Executed by:
  • tst_qqmllistmodelworkerscript
56
314 case WorkerTrue:
executed 966 times by 3 tests: case WorkerTrue:
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
966
315 return QV4::Encode(true);
executed 966 times by 3 tests: return QV4::Encode(true);
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
966
316 case WorkerFalse:
executed 16 times by 1 test: case WorkerFalse:
Executed by:
  • tst_qqmlecmascript
16
317 return QV4::Encode(false);
executed 16 times by 1 test: return QV4::Encode(false);
Executed by:
  • tst_qqmlecmascript
16
318 case WorkerString:
executed 5884 times by 5 tests: case WorkerString:
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
5884
319 {-
320 quint32 size = headersize(header);-
321 QString qstr((const QChar *)data, size);-
322 data += ALIGN(size * sizeof(quint16));-
323 return QV4::Encode(engine->newString(qstr));
executed 5884 times by 5 tests: return QV4::Encode(engine->newString(qstr));
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
5884
324 }-
325 case WorkerFunction:
never executed: case WorkerFunction:
0
326 Q_ASSERT(!"Unreachable");-
327 break;
never executed: break;
0
328 case WorkerArray:
executed 858 times by 3 tests: case WorkerArray:
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
858
329 {-
330 quint32 size = headersize(header);-
331 ScopedArrayObject a(scope, engine->newArrayObject());-
332 ScopedValue v(scope);-
333 for (quint32 ii = 0; ii < size; ++ii) {
ii < sizeDescription
TRUEevaluated 2046 times by 3 tests
Evaluated by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
FALSEevaluated 858 times by 3 tests
Evaluated by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
858-2046
334 v = deserialize(data, engine);-
335 a->put(ii, v);-
336 }
executed 2046 times by 3 tests: end of block
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
2046
337 return a.asReturnedValue();
executed 858 times by 3 tests: return a.asReturnedValue();
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
858
338 }-
339 case WorkerObject:
executed 1868 times by 4 tests: case WorkerObject:
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
1868
340 {-
341 quint32 size = headersize(header);-
342 ScopedObject o(scope, engine->newObject());-
343 ScopedValue name(scope);-
344 ScopedString n(scope);-
345 ScopedValue value(scope);-
346 for (quint32 ii = 0; ii < size; ++ii) {
ii < sizeDescription
TRUEevaluated 3702 times by 4 tests
Evaluated by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
FALSEevaluated 1868 times by 4 tests
Evaluated by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
1868-3702
347 name = deserialize(data, engine);-
348 value = deserialize(data, engine);-
349 n = name->asReturnedValue();-
350 o->put(n, value);-
351 }
executed 3702 times by 4 tests: end of block
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
3702
352 return o.asReturnedValue();
executed 1868 times by 4 tests: return o.asReturnedValue();
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
1868
353 }-
354 case WorkerInt32:
executed 620 times by 3 tests: case WorkerInt32:
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
620
355 return QV4::Encode((qint32)popUint32(data));
executed 620 times by 3 tests: return QV4::Encode((qint32)popUint32(data));
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
620
356 case WorkerUint32:
never executed: case WorkerUint32:
0
357 return QV4::Encode(popUint32(data));
never executed: return QV4::Encode(popUint32(data));
0
358 case WorkerNumber:
executed 122 times by 3 tests: case WorkerNumber:
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
122
359 return QV4::Encode(popDouble(data));
executed 122 times by 3 tests: return QV4::Encode(popDouble(data));
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
122
360 case WorkerDate:
executed 4 times by 1 test: case WorkerDate:
Executed by:
  • tst_qquickworkerscript
4
361 return QV4::Encode(engine->newDateObject(QV4::Primitive::fromDouble(popDouble(data))));
executed 4 times by 1 test: return QV4::Encode(engine->newDateObject(QV4::Primitive::fromDouble(popDouble(data))));
Executed by:
  • tst_qquickworkerscript
4
362 case WorkerRegexp:
executed 4 times by 1 test: case WorkerRegexp:
Executed by:
  • tst_qquickworkerscript
4
363 {-
364 quint32 flags = headersize(header);-
365 quint32 length = popUint32(data);-
366 QString pattern = QString((const QChar *)data, length - 1);-
367 data += ALIGN(length * sizeof(quint16));-
368 return Encode(engine->newRegExpObject(pattern, flags));
executed 4 times by 1 test: return Encode(engine->newRegExpObject(pattern, flags));
Executed by:
  • tst_qquickworkerscript
4
369 }-
370#if QT_CONFIG(qml_list_model)-
371 case WorkerListModel:
executed 928 times by 2 tests: case WorkerListModel:
Executed by:
  • tst_examples
  • tst_qqmllistmodelworkerscript
928
372 {-
373 void *ptr = popPtr(data);-
374 QQmlListModelWorkerAgent *agent = (QQmlListModelWorkerAgent *)ptr;-
375 QV4::ScopedValue rv(scope, QV4::QObjectWrapper::wrap(engine, agent));-
376 // ### Find a better solution then the ugly property-
377 QQmlListModelWorkerAgent::VariantRef ref(agent);-
378 QVariant var = qVariantFromValue(ref);-
379 QV4::ScopedValue v(scope, scope.engine->fromVariant(var));-
380 QV4::ScopedString s(scope, engine->newString(QStringLiteral("__qml:hidden:ref")));
executed 928 times by 2 tests: return qstring_literal_temp;
Executed by:
  • tst_examples
  • tst_qqmllistmodelworkerscript
928
381 rv->as<Object>()->defineReadonlyProperty(s, v);-
382-
383 agent->release();-
384 agent->setEngine(engine);-
385 return rv->asReturnedValue();
executed 928 times by 2 tests: return rv->asReturnedValue();
Executed by:
  • tst_examples
  • tst_qqmllistmodelworkerscript
928
386 }-
387#endif-
388#if QT_CONFIG(qml_sequence_object)-
389 case WorkerSequence:
executed 68 times by 2 tests: case WorkerSequence:
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
68
390 {-
391 ScopedValue value(scope);-
392 bool succeeded = false;-
393 quint32 length = headersize(header);-
394 quint32 seqLength = length - 1;-
395 value = deserialize(data, engine);-
396 int sequenceType = value->integerValue();-
397 ScopedArrayObject array(scope, engine->newArrayObject());-
398 array->arrayReserve(seqLength);-
399 for (quint32 ii = 0; ii < seqLength; ++ii) {
ii < seqLengthDescription
TRUEevaluated 188 times by 2 tests
Evaluated by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
FALSEevaluated 68 times by 2 tests
Evaluated by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
68-188
400 value = deserialize(data, engine);-
401 array->arrayPut(ii, value);-
402 }
executed 188 times by 2 tests: end of block
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
188
403 array->setArrayLengthUnchecked(seqLength);-
404 QVariant seqVariant = QV4::SequencePrototype::toVariant(array, sequenceType, &succeeded);-
405 return QV4::SequencePrototype::fromVariant(engine, seqVariant, &succeeded);
executed 68 times by 2 tests: return QV4::SequencePrototype::fromVariant(engine, seqVariant, &succeeded);
Executed by:
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
68
406 }-
407#endif-
408 }-
409 Q_ASSERT(!"Unreachable");-
410 return QV4::Encode::undefined();
never executed: return QV4::Encode::undefined();
0
411}-
412-
413QByteArray Serialize::serialize(const QV4::Value &value, ExecutionEngine *engine)-
414{-
415 QByteArray rv;-
416 serialize(rv, value, engine);-
417 return rv;
executed 2158 times by 5 tests: return rv;
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
2158
418}-
419-
420ReturnedValue Serialize::deserialize(const QByteArray &data, ExecutionEngine *engine)-
421{-
422 const char *stream = data.constData();-
423 return deserialize(stream, engine);
executed 2154 times by 5 tests: return deserialize(stream, engine);
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmlecmascript
  • tst_qqmllistmodelworkerscript
  • tst_qquickworkerscript
2154
424}-
425-
426QT_END_NAMESPACE-
427-
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