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
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "glslautocompleter.h"
#include <Token.h>
#include <cplusplus/SimpleLexer.h>
#include <cplusplus/MatchingText.h>
#include <cplusplus/BackwardsScanner.h>
#include <QtCore/QLatin1Char>
#include <QtGui/QTextCursor>
using namespace GLSLEditor;
using namespace Internal;
using namespace CPlusPlus;
GLSLCompleter::GLSLCompleter()
{}
GLSLCompleter::~GLSLCompleter()
{}
bool GLSLCompleter::contextAllowsAutoParentheses(const QTextCursor &cursor,
const QString &textToInsert) const
{
QChar ch;
if (! textToInsert.isEmpty())
ch = textToInsert.at(0);
if (! (MatchingText::shouldInsertMatchingText(cursor)
|| ch == QLatin1Char('\'')
|| ch == QLatin1Char('"')))
return false;
else if (isInComment(cursor))
return false;
return true;
}
bool GLSLCompleter::contextAllowsElectricCharacters(const QTextCursor &cursor) const
{
const Token tk = SimpleLexer::tokenAt(cursor.block().text(), cursor.positionInBlock(),
BackwardsScanner::previousBlockState(cursor.block()));
// XXX Duplicated from CPPEditor::isInComment to avoid tokenizing twice
if (tk.isComment()) {
const unsigned pos = cursor.selectionEnd() - cursor.block().position();
if (pos == tk.end()) {
if (tk.is(T_CPP_COMMENT) || tk.is(T_CPP_DOXY_COMMENT))
return false;
const int state = cursor.block().userState() & 0xFF;
if (state > 0)
return false;
}
if (pos < tk.end())
return false;
}
else if (tk.is(T_STRING_LITERAL) || tk.is(T_WIDE_STRING_LITERAL)
|| tk.is(T_CHAR_LITERAL) || tk.is(T_WIDE_CHAR_LITERAL)) {
const unsigned pos = cursor.selectionEnd() - cursor.block().position();
if (pos <= tk.end())
return false;
}
return true;
}
bool GLSLCompleter::isInComment(const QTextCursor &cursor) const
{
const Token tk = SimpleLexer::tokenAt(cursor.block().text(), cursor.positionInBlock(),
BackwardsScanner::previousBlockState(cursor.block()));
if (tk.isComment()) {
const unsigned pos = cursor.selectionEnd() - cursor.block().position();
if (pos == tk.end()) {
if (tk.is(T_CPP_COMMENT) || tk.is(T_CPP_DOXY_COMMENT))
return true;
const int state = cursor.block().userState() & 0xFF;
if (state > 0)
return true;
}
if (pos < tk.end())
return true;
}
return false;
}
QString GLSLCompleter::insertMatchingBrace(const QTextCursor &cursor,
const QString &text,
QChar la,
int *skippedChars) const
{
MatchingText m;
return m.insertMatchingBrace(cursor, text, la, skippedChars);
}
QString GLSLCompleter::insertParagraphSeparator(const QTextCursor &cursor) const
{
MatchingText m;
return m.insertParagraphSeparator(cursor);
}
|
