1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: http://www.qt-project.org/
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
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18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
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26 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #include "qdeclarativejsengine_p.h"
43 #include "qdeclarativejsglobal_p.h"
49 QT_QML_BEGIN_NAMESPACE
51 namespace QDeclarativeJS {
53 static int toDigit(char c)
55 if ((c >= '0') && (c <= '9'))
57 else if ((c >= 'a') && (c <= 'z'))
59 else if ((c >= 'A') && (c <= 'Z'))
64 double integerFromString(const char *buf, int size, int radix)
73 } else if (buf[0] == '-') {
78 if (((size-i) >= 2) && (buf[i] == '0')) {
79 if (((buf[i+1] == 'x') || (buf[i+1] == 'X'))
81 if ((radix != 0) && (radix != 16))
91 } else if (radix == 0) {
96 for ( ; i < size; ++i) {
97 int d = toDigit(buf[i]);
98 if ((d == -1) || (d >= radix))
103 if (!qstrcmp(buf, "Infinity"))
109 double multiplier = 1;
110 for (--i ; i >= j; --i, multiplier *= radix)
111 result += toDigit(buf[i]) * multiplier;
117 double integerFromString(const QString &str, int radix)
119 QByteArray ba = str.trimmed().toLatin1();
120 return integerFromString(ba.constData(), ba.size(), radix);
131 void Engine::setCode(const QString &code)
134 void Engine::addComment(int pos, int len, int line, int col)
135 { if (len > 0) _comments.append(QDeclarativeJS::AST::SourceLocation(pos, len, line, col)); }
137 QList<QDeclarativeJS::AST::SourceLocation> Engine::comments() const
138 { return _comments; }
140 Lexer *Engine::lexer() const
143 void Engine::setLexer(Lexer *lexer)
146 MemoryPool *Engine::pool()
149 QStringRef Engine::newStringRef(const QString &text)
151 const int pos = _extraCode.length();
153 return _extraCode.midRef(pos, text.length());
156 QStringRef Engine::newStringRef(const QChar *chars, int size)
157 { return newStringRef(QString(chars, size)); }
159 } // end of namespace QDeclarativeJS