/**************************************************************************** ** ** Copyright (C) 2011 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. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU General ** Public License version 3.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of this ** file. Please review the following information to ensure the GNU General ** Public License version 3.0 requirements will be met: ** http://www.gnu.org/copyleft/gpl.html. ** ** 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. ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ /* qmlcodeparser.cpp */ #include "declarativeparser/qdeclarativejsast_p.h" #include "declarativeparser/qdeclarativejsastvisitor_p.h" #include "declarativeparser/qdeclarativejsnodepool_p.h" #include "qmlcodeparser.h" #include "node.h" #include "tree.h" #include "config.h" #include "qmlvisitor.h" QT_BEGIN_NAMESPACE #define COMMAND_STARTPAGE Doc::alias("startpage") #define COMMAND_VARIABLE Doc::alias("variable") #define COMMAND_QMLCLASS Doc::alias("qmlclass") #define COMMAND_QMLPROPERTY Doc::alias("qmlproperty") #define COMMAND_QMLATTACHEDPROPERTY Doc::alias("qmlattachedproperty") #define COMMAND_QMLINHERITS Doc::alias("inherits") #define COMMAND_QMLSIGNAL Doc::alias("qmlsignal") #define COMMAND_QMLATTACHEDSIGNAL Doc::alias("qmlattachedsignal") #define COMMAND_QMLMETHOD Doc::alias("qmlmethod") #define COMMAND_QMLATTACHEDMETHOD Doc::alias("qmlattachedmethod") #define COMMAND_QMLDEFAULT Doc::alias("default") #define COMMAND_QMLBASICTYPE Doc::alias("qmlbasictype") QmlCodeParser::QmlCodeParser() { } QmlCodeParser::~QmlCodeParser() { } /*! Initialize the code parser base class. */ void QmlCodeParser::initializeParser(const Config &config) { CodeParser::initializeParser(config); lexer = new QDeclarativeJS::Lexer(&engine); parser = new QDeclarativeJS::Parser(&engine); } void QmlCodeParser::terminateParser() { delete lexer; delete parser; } QString QmlCodeParser::language() { return "QML"; } QStringList QmlCodeParser::sourceFileNameFilter() { return QStringList("*.qml"); } void QmlCodeParser::parseSourceFile(const Location& location, const QString& filePath, Tree *tree) { QFile in(filePath); if (!in.open(QIODevice::ReadOnly)) { location.error(tr("Cannot open QML file '%1'").arg(filePath)); return; } QString document = in.readAll(); in.close(); Location fileLocation(filePath); QString newCode = document; extractPragmas(newCode); lexer->setCode(newCode, 1); QSet topicCommandsAllowed = topicCommands(); QSet otherMetacommandsAllowed = otherMetaCommands(); QSet metacommandsAllowed = topicCommandsAllowed + otherMetacommandsAllowed; QDeclarativeJS::NodePool m_nodePool(filePath, &engine); if (parser->parse()) { QDeclarativeJS::AST::UiProgram *ast = parser->ast(); QmlDocVisitor visitor(filePath, newCode, &engine, tree, metacommandsAllowed); QDeclarativeJS::AST::Node::accept(ast, &visitor); } } void QmlCodeParser::doneParsingSourceFiles(Tree *tree) { } /*! Returns the set of strings representing the topic commands. */ QSet QmlCodeParser::topicCommands() { return QSet() << COMMAND_VARIABLE << COMMAND_QMLCLASS << COMMAND_QMLPROPERTY << COMMAND_QMLATTACHEDPROPERTY << COMMAND_QMLSIGNAL << COMMAND_QMLATTACHEDSIGNAL << COMMAND_QMLMETHOD << COMMAND_QMLATTACHEDMETHOD << COMMAND_QMLBASICTYPE; } /*! Returns the set of strings representing the common metacommands plus some other metacommands. */ QSet QmlCodeParser::otherMetaCommands() { return commonMetaCommands() << COMMAND_STARTPAGE << COMMAND_QMLINHERITS << COMMAND_QMLDEFAULT; } /* Copied and pasted from src/declarative/qml/qdeclarativescriptparser.cpp. */ static void replaceWithSpace(QString &str, int idx, int n) { QChar *data = str.data() + idx; const QChar space(QLatin1Char(' ')); for (int ii = 0; ii < n; ++ii) *data++ = space; } /* Copied and pasted from src/declarative/qml/qdeclarativescriptparser.cpp then modified to return no values. Searches for ".pragma " declarations within \a script. Currently supported pragmas are: library */ void QmlCodeParser::extractPragmas(QString &script) { const QString pragma(QLatin1String("pragma")); const QString library(QLatin1String("library")); QDeclarativeJS::Lexer l(0); l.setCode(script, 0); int token = l.lex(); while (true) { if (token != QDeclarativeJSGrammar::T_DOT) return; int startOffset = l.tokenOffset(); int startLine = l.currentLineNo(); token = l.lex(); if (token != QDeclarativeJSGrammar::T_IDENTIFIER || l.currentLineNo() != startLine || script.mid(l.tokenOffset(), l.tokenLength()) != pragma) return; token = l.lex(); if (token != QDeclarativeJSGrammar::T_IDENTIFIER || l.currentLineNo() != startLine) return; QString pragmaValue = script.mid(l.tokenOffset(), l.tokenLength()); int endOffset = l.tokenLength() + l.tokenOffset(); token = l.lex(); if (l.currentLineNo() == startLine) return; if (pragmaValue == QLatin1String("library")) replaceWithSpace(script, startOffset, endOffset - startOffset); else return; } return; } QT_END_NAMESPACE