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
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
/*
jscodemarker.cpp
*/
#include "private/qdeclarativejsast_p.h"
#include "private/qdeclarativejsengine_p.h"
#include "private/qdeclarativejslexer_p.h"
#include "private/qdeclarativejsnodepool_p.h"
#include "private/qdeclarativejsparser_p.h"
#include "atom.h"
#include "node.h"
#include "jscodemarker.h"
#include "qmlmarkupvisitor.h"
#include "text.h"
#include "tree.h"
QT_BEGIN_NAMESPACE
JsCodeMarker::JsCodeMarker()
{
}
JsCodeMarker::~JsCodeMarker()
{
}
/*!
Returns true if the \a code is recognized by the parser.
*/
bool JsCodeMarker::recognizeCode(const QString &code)
{
QDeclarativeJS::Engine engine;
QDeclarativeJS::Lexer lexer(&engine);
QDeclarativeJS::Parser parser(&engine);
QDeclarativeJS::NodePool m_nodePool("<JsCodeMarker::recognizeCode>", &engine);
QString newCode = code;
QList<QDeclarativeJS::AST::SourceLocation> pragmas = extractPragmas(newCode);
lexer.setCode(newCode, 1);
return parser.parseProgram();
}
/*!
Returns true if \a ext is any of a list of file extensions
for the QML language.
*/
bool JsCodeMarker::recognizeExtension(const QString &ext)
{
return ext == "js";
}
/*!
Returns true if the \a language is recognized. Only "QML" is
recognized by this marker.
*/
bool JsCodeMarker::recognizeLanguage(const QString &language)
{
return language == "JavaScript" || language == "ECMAScript";
}
QString JsCodeMarker::markedUpCode(const QString &code,
const Node *relative,
const QString &dirPath)
{
return addMarkUp(code, relative, dirPath);
}
QString JsCodeMarker::addMarkUp(const QString &code,
const Node * /* relative */,
const QString & /* dirPath */)
{
QDeclarativeJS::Engine engine;
QDeclarativeJS::Lexer lexer(&engine);
QString newCode = code;
QList<QDeclarativeJS::AST::SourceLocation> pragmas = extractPragmas(newCode);
lexer.setCode(newCode, 1);
QDeclarativeJS::Parser parser(&engine);
QDeclarativeJS::NodePool m_nodePool("<JsCodeMarker::addMarkUp>", &engine);
QString output;
if (parser.parseProgram()) {
QDeclarativeJS::AST::Node *ast = parser.rootNode();
// Pass the unmodified code to the visitor so that pragmas and other
// unhandled source text can be output.
QmlMarkupVisitor visitor(code, pragmas, &engine);
QDeclarativeJS::AST::Node::accept(ast, &visitor);
output = visitor.markedUpCode();
}
return output;
}
QT_END_NAMESPACE
|
