diff -r 000000000000 -r 1918ee327afb tools/porting/src/translationunit.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/porting/src/translationunit.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the qt3to4 porting application 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "translationunit.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace TokenEngine;
+using namespace CodeModel;
+using namespace TokenStreamAdapter;
+
+TranslationUnit::TranslationUnit()
+{
+    TokenSectionSequence empty;
+    d = new TranslationUnitData(empty);
+}
+
+TranslationUnit::TranslationUnit(const TokenEngine::TokenSectionSequence &tokens)
+{ d = new TranslationUnitData(tokens); }
+
+TokenSectionSequence TranslationUnit::tokens() const
+{ return d->tokens; }
+
+void TranslationUnit::setCodeModel(NamespaceScope *globalScope)
+{ d->globalScope = globalScope; }
+
+NamespaceScope *TranslationUnit::codeModel()
+{ return d->globalScope; }
+
+TypedPool<CodeModel::Item> *TranslationUnit::codeModelMemoryPool()
+{ return &d->codeModelMemoryPool; }
+
+
+
+/*
+    Performs C++ parsing and semantic analysis on a translation unit.
+    Returns a TranslationUnit, which contains all the data.
+*/
+TranslationUnit TranslationUnitAnalyzer::analyze
+        (const TokenSectionSequence &translationUnitTokens, int targetMaxASTNodes)
+{
+    TranslationUnit translationUnit(translationUnitTokens);
+    CodeModel::NamespaceScope *codeModel =
+        CodeModel::Create<CodeModel::NamespaceScope>(translationUnit.codeModelMemoryPool());
+    translationUnit.setCodeModel(codeModel);
+
+    // run lexical analysis
+    QVector<QT_PREPEND_NAMESPACE(Type)> typeList = lexer.lex(translationUnitTokens);
+    TokenStreamAdapter::TokenStream tokenStream(translationUnitTokens, typeList);
+
+    Semantic semantic(codeModel, &tokenStream, translationUnit.codeModelMemoryPool());
+
+    // parse and run semantic on the translation unit
+    bool done = false;
+    while(!done) {
+        pool p;
+        TranslationUnitAST *node = parser.parse(&tokenStream, &p, targetMaxASTNodes, done);
+        semantic.parseTranslationUnit(node);
+    }
+
+    return translationUnit;
+}
+
+QT_END_NAMESPACE