Moved ASTPath to its own header/source files.

2010-05-28 15:25:24 +02:00
parent d4e1a24daa
commit 3eee397abd
4 changed files with 158 additions and 58 deletions
--- a/src/libs/cplusplus/ASTPath.cpp
+++ b/src/libs/cplusplus/ASTPath.cpp
@@ -0,0 +1,81 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "ASTPath.h"
+
+#include <AST.h>
+#include <TranslationUnit.h>
+
+#ifdef DEBUG_AST_PATH
+#  include <QtCore/QDebug>
+#endif // DEBUG_AST_PATH
+
+using namespace CPlusPlus;
+
+QList<AST *> ASTPath::operator()(int line, int column)
+{
+    _nodes.clear();
+    _line = line + 1;
+    _column = column + 1;
+    accept(_doc->translationUnit()->ast());
+    return _nodes;
+}
+
+#ifdef DEBUG_AST_PATH
+void ASTPath::dump(const QList<AST *> nodes)
+{
+    qDebug() << "ASTPath dump," << nodes.size() << "nodes:";
+    for (int i = 0; i < nodes.size(); ++i)
+        qDebug() << qPrintable(QString(i + 1, QLatin1Char('-'))) << typeid(*nodes.at(i)).name();
+}
+#endif // DEBUG_AST_PATH
+
+bool ASTPath::preVisit(AST *ast)
+{
+    unsigned firstToken = ast->firstToken();
+    unsigned lastToken = ast->lastToken();
+
+    if (firstToken > 0 && lastToken > firstToken) {
+        unsigned startLine, startColumn;
+        getTokenStartPosition(firstToken, &startLine, &startColumn);
+
+        if (_line > startLine || (_line == startLine && _column >= startColumn)) {
+
+            unsigned endLine, endColumn;
+            getTokenEndPosition(lastToken - 1, &endLine, &endColumn);
+
+            if (_line < endLine || (_line == endLine && _column <= endColumn)) {
+                _nodes.append(ast);
+                return true;
+            }
+        }
+    }
+
+    return false;
+}