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
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef QMLJSLINEINFO_H
#define QMLJSLINEINFO_H
#include <qmljs/qmljs_global.h>
#include <qmljs/qmljsscanner.h>
#include <QtCore/QRegExp>
#include <QtGui/QTextBlock>
namespace QmlJS {
class QMLJS_EXPORT LineInfo
{
Q_DISABLE_COPY(LineInfo)
public:
LineInfo();
virtual ~LineInfo();
bool isUnfinishedLine();
bool isContinuationLine();
void initialize(QTextBlock begin, QTextBlock end);
protected:
static const int SmallRoof;
static const int BigRoof;
QString trimmedCodeLine(const QString &t);
QChar firstNonWhiteSpace(const QString &t) const;
bool hasUnclosedParenOrBracket() const;
/*
The "linizer" is a group of functions and variables to iterate
through the source code of the program to indent. The program is
given as a list of strings, with the bottom line being the line
to indent. The actual program might contain extra lines, but
those are uninteresting and not passed over to us.
*/
bool readLine();
void startLinizer();
bool bottomLineStartsInMultilineComment();
bool matchBracelessControlStatement();
Token lastToken() const;
QStringRef tokenText(const Token &token) const;
protected:
struct LinizerState
{
LinizerState()
: braceDepth(0),
leftBraceFollows(false),
pendingRightBrace(false),
insertedSemicolon(false)
{ }
int braceDepth;
bool leftBraceFollows;
bool pendingRightBrace;
bool insertedSemicolon;
QString line;
QList<Token> tokens;
QTextBlock iter;
};
class Program
{
public:
Program() {}
Program(QTextBlock begin, QTextBlock end)
: begin(begin), end(end) {}
QTextBlock firstBlock() const { return begin; }
QTextBlock lastBlock() const { return end; }
private:
QTextBlock begin, end;
};
Program yyProgram;
LinizerState yyLinizerState;
// shorthands
const QString *yyLine;
const int *yyBraceDepth;
const bool *yyLeftBraceFollows;
QRegExp braceX;
};
} // namespace QmlJS
#endif // QMLJSLINEINFO_H
|
