blob: 3ecb1b74f9c21142952bd75aaa35c4dc7a1b24c0 (
plain)
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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "firstdefinitionfinder.h"
#include <qmljs/parser/qmljsast_p.h>
#include <qmljs/parser/qmljsengine_p.h>
#include <QDebug>
using namespace QmlDesigner;
FirstDefinitionFinder::FirstDefinitionFinder(const QString &text)
: m_doc(QmlJS::Document::create(Utils::FilePath::fromString("<internal>"), QmlJS::Dialect::Qml))
{
m_doc->setSource(text);
bool ok = m_doc->parseQml();
if (!ok) {
qDebug() << text;
const QList<QmlJS::DiagnosticMessage> messages = m_doc->diagnosticMessages();
for (const QmlJS::DiagnosticMessage &message : messages)
qDebug() << message.message;
}
Q_ASSERT(ok);
}
/*!
Finds the first object definition inside the object specified by \a offset.
Returns the offset of the first object definition.
*/
qint32 FirstDefinitionFinder::operator()(quint32 offset)
{
m_offset = offset;
m_firstObjectDefinition = nullptr;
QmlJS::AST::Node::accept(m_doc->qmlProgram(), this);
if (!m_firstObjectDefinition)
return -1;
return m_firstObjectDefinition->firstSourceLocation().offset;
}
void FirstDefinitionFinder::extractFirstObjectDefinition(QmlJS::AST::UiObjectInitializer* ast)
{
if (!ast)
return;
for (QmlJS::AST::UiObjectMemberList *iter = ast->members; iter; iter = iter->next) {
if (auto def = QmlJS::AST::cast<QmlJS::AST::UiObjectDefinition*>(iter->member))
m_firstObjectDefinition = def;
}
}
bool FirstDefinitionFinder::visit(QmlJS::AST::UiObjectBinding *ast)
{
if (ast->qualifiedTypeNameId && ast->qualifiedTypeNameId->identifierToken.isValid()) {
const quint32 start = ast->qualifiedTypeNameId->identifierToken.offset;
if (start == m_offset) {
extractFirstObjectDefinition(ast->initializer);
return false;
}
}
return true;
}
bool FirstDefinitionFinder::visit(QmlJS::AST::UiObjectDefinition *ast)
{
const quint32 start = ast->firstSourceLocation().offset;
if (start == m_offset) {
extractFirstObjectDefinition(ast->initializer);
return false;
}
return true;
}
bool FirstDefinitionFinder::visit(QmlJS::AST::TemplateLiteral *ast)
{
QmlJS::AST::Node::accept(ast->expression, this);
return true;
}
void FirstDefinitionFinder::throwRecursionDepthError()
{
qWarning("Warning: Hit maximum recursion depth while visiting the AST in FirstDefinitionFinder");
}
|
