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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** 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.
**
** In addition, 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.
**
****************************************************************************/
#include "qmlprofilerdetailsrewriter.h"
#include <qmljs/parser/qmljsast_p.h>
#include <qmljs/qmljsmodelmanagerinterface.h>
#include <qmljstools/qmljsmodelmanager.h>
#include <utils/qtcassert.h>
namespace QmlProfiler {
namespace Internal {
struct PendingEvent {
QmlDebug::QmlEventLocation location;
QString localFile;
int requestId;
};
class PropertyVisitor: protected QmlJS::AST::Visitor
{
QmlJS::AST::Node * _lastValidNode;
unsigned _line;
unsigned _col;
public:
QmlJS::AST::Node * operator()(QmlJS::AST::Node *node, unsigned line, unsigned col)
{
_line = line;
_col = col;
_lastValidNode = 0;
accept(node);
return _lastValidNode;
}
protected:
using QmlJS::AST::Visitor::visit;
void accept(QmlJS::AST::Node *node)
{
if (node)
node->accept(this);
}
bool containsLocation(QmlJS::AST::SourceLocation start, QmlJS::AST::SourceLocation end)
{
return (_line > start.startLine || (_line == start.startLine && _col >= start.startColumn)) &&
(_line < end.startLine || (_line == end.startLine && _col <= end.startColumn));
}
virtual bool preVisit(QmlJS::AST::Node *node)
{
if (QmlJS::AST::cast<QmlJS::AST::UiQualifiedId *>(node))
return false;
return containsLocation(node->firstSourceLocation(), node->lastSourceLocation());
}
virtual bool visit(QmlJS::AST::UiScriptBinding *ast)
{
_lastValidNode = ast;
return true;
}
virtual bool visit(QmlJS::AST::UiPublicMember *ast)
{
_lastValidNode = ast;
return true;
}
};
/////////////////////////////////////////////////////////////////////////////////
class QmlProfilerDetailsRewriter::QmlProfilerDetailsRewriterPrivate
{
public:
QmlProfilerDetailsRewriterPrivate(QmlProfilerDetailsRewriter *qq,
Utils::FileInProjectFinder *fileFinder)
: m_projectFinder(fileFinder), q(qq) {}
~QmlProfilerDetailsRewriterPrivate() {}
QList <PendingEvent> m_pendingEvents;
QStringList m_pendingDocs;
Utils::FileInProjectFinder *m_projectFinder;
QMap<QString, QString> m_filesCache;
QmlProfilerDetailsRewriter *q;
};
QmlProfilerDetailsRewriter::QmlProfilerDetailsRewriter(
QObject *parent, Utils::FileInProjectFinder *fileFinder)
: QObject(parent), d(new QmlProfilerDetailsRewriterPrivate(this, fileFinder))
{ }
QmlProfilerDetailsRewriter::~QmlProfilerDetailsRewriter()
{
delete d;
}
void QmlProfilerDetailsRewriter::requestDetailsForLocation(int requestId,
const QmlDebug::QmlEventLocation &location)
{
QString localFile;
if (!d->m_filesCache.contains(location.filename)) {
localFile = d->m_projectFinder->findFile(location.filename);
d->m_filesCache[location.filename] = localFile;
} else {
localFile = d->m_filesCache[location.filename];
}
QFileInfo fileInfo(localFile);
if (!fileInfo.exists() || !fileInfo.isReadable())
return;
if (!QmlJS::ModelManagerInterface::guessLanguageOfFile(localFile).isQmlLikeLanguage())
return;
PendingEvent ev = {location, localFile, requestId};
d->m_pendingEvents << ev;
if (!d->m_pendingDocs.contains(localFile)) {
if (d->m_pendingDocs.isEmpty())
connect(QmlJS::ModelManagerInterface::instance(),
SIGNAL(documentUpdated(QmlJS::Document::Ptr)),
this,
SLOT(documentReady(QmlJS::Document::Ptr)));
d->m_pendingDocs << localFile;
}
}
void QmlProfilerDetailsRewriter::reloadDocuments()
{
if (!d->m_pendingDocs.isEmpty())
QmlJS::ModelManagerInterface::instance()->updateSourceFiles(d->m_pendingDocs, false);
else
emit eventDetailsChanged();
}
void QmlProfilerDetailsRewriter::rewriteDetailsForLocation(QTextStream &textDoc,
QmlJS::Document::Ptr doc, int requestId, const QmlDebug::QmlEventLocation &location)
{
PropertyVisitor propertyVisitor;
QmlJS::AST::Node *node = propertyVisitor(doc->ast(), location.line, location.column);
if (!node)
return;
qint64 startPos = node->firstSourceLocation().begin();
qint64 len = node->lastSourceLocation().end() - startPos;
textDoc.seek(startPos);
QString details = textDoc.read(len).replace(QLatin1Char('\n'), QLatin1Char(' ')).simplified();
emit rewriteDetailsString(requestId, details);
}
void QmlProfilerDetailsRewriter::clearRequests()
{
d->m_filesCache.clear();
d->m_pendingDocs.clear();
}
void QmlProfilerDetailsRewriter::documentReady(QmlJS::Document::Ptr doc)
{
// this could be triggered by an unrelated reload in Creator
if (!d->m_pendingDocs.contains(doc->fileName()))
return;
// if the file could not be opened this slot is still triggered but source will be an empty string
QString source = doc->source();
if (!source.isEmpty()) {
QTextStream st(&source, QIODevice::ReadOnly);
for (int i = d->m_pendingEvents.count()-1; i>=0; i--) {
PendingEvent ev = d->m_pendingEvents[i];
if (ev.localFile == doc->fileName()) {
d->m_pendingEvents.removeAt(i);
rewriteDetailsForLocation(st, doc, ev.requestId, ev.location);
}
}
}
d->m_pendingDocs.removeOne(doc->fileName());
if (d->m_pendingDocs.isEmpty()) {
disconnect(QmlJS::ModelManagerInterface::instance(),
SIGNAL(documentUpdated(QmlJS::Document::Ptr)),
this,
SLOT(documentReady(QmlJS::Document::Ptr)));
emit eventDetailsChanged();
d->m_filesCache.clear();
}
}
} // namespace Internal
} // namespace QmlProfiler
|
