1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
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:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
27 ** Public License version 3.0 requirements will be met:
28 ** http://www.gnu.org/copyleft/gpl.html.
31 ** Alternatively, this file may be used in accordance with the terms and
32 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
42 #include "private/qdeclarativejsengine_p.h"
44 #include "private/qdeclarativejsglobal_p.h"
45 #include "private/qdeclarativejsnodepool_p.h"
50 QT_QML_BEGIN_NAMESPACE
52 namespace QDeclarativeJS {
54 uint qHash(const QDeclarativeJS::NameId &id)
55 { return qHash(id.asString()); }
57 QString numberToString(double value)
58 { return QString::number(value); }
60 int Ecma::RegExp::flagFromChar(const QChar &ch)
62 static QHash<QChar, int> flagsHash;
63 if (flagsHash.isEmpty()) {
64 flagsHash[QLatin1Char('g')] = Global;
65 flagsHash[QLatin1Char('i')] = IgnoreCase;
66 flagsHash[QLatin1Char('m')] = Multiline;
68 QHash<QChar, int>::const_iterator it;
69 it = flagsHash.constFind(ch);
70 if (it == flagsHash.constEnd())
75 QString Ecma::RegExp::flagsToString(int flags)
79 result += QLatin1Char('g');
80 if (flags & IgnoreCase)
81 result += QLatin1Char('i');
82 if (flags & Multiline)
83 result += QLatin1Char('m');
87 NodePool::NodePool(const QString &fileName, Engine *engine)
88 : m_fileName(fileName), m_engine(engine)
90 m_engine->setNodePool(this);
97 Code *NodePool::createCompiledCode(AST::Node *, CompilationUnit &)
103 static int toDigit(char c)
105 if ((c >= '0') && (c <= '9'))
107 else if ((c >= 'a') && (c <= 'z'))
109 else if ((c >= 'A') && (c <= 'Z'))
114 double integerFromString(const char *buf, int size, int radix)
123 } else if (buf[0] == '-') {
128 if (((size-i) >= 2) && (buf[i] == '0')) {
129 if (((buf[i+1] == 'x') || (buf[i+1] == 'X'))
131 if ((radix != 0) && (radix != 16))
141 } else if (radix == 0) {
146 for ( ; i < size; ++i) {
147 int d = toDigit(buf[i]);
148 if ((d == -1) || (d >= radix))
153 if (!qstrcmp(buf, "Infinity"))
159 double multiplier = 1;
160 for (--i ; i >= j; --i, multiplier *= radix)
161 result += toDigit(buf[i]) * multiplier;
167 double integerFromString(const QString &str, int radix)
169 QByteArray ba = str.trimmed().toLatin1();
170 return integerFromString(ba.constData(), ba.size(), radix);
175 : _lexer(0), _nodePool(0)
181 QSet<NameId> Engine::literals() const
182 { return _literals; }
184 void Engine::addComment(int pos, int len, int line, int col)
185 { if (len > 0) _comments.append(QDeclarativeJS::AST::SourceLocation(pos, len, line, col)); }
187 QList<QDeclarativeJS::AST::SourceLocation> Engine::comments() const
188 { return _comments; }
190 NameId *Engine::intern(const QChar *u, int s)
191 { return const_cast<NameId *>(&*_literals.insert(NameId(u, s))); }
193 QString Engine::toString(NameId *id)
194 { return id->asString(); }
196 Lexer *Engine::lexer() const
199 void Engine::setLexer(Lexer *lexer)
202 NodePool *Engine::nodePool() const
203 { return _nodePool; }
205 void Engine::setNodePool(NodePool *nodePool)
206 { _nodePool = nodePool; }
210 } // end of namespace QDeclarativeJS