Add analyzer multiple tools, mode & remote support

Merge-request: 284
Reviewed-by: hjk <qtc-committer@nokia.com>

src/plugins/analyzerbase/analyzerutils.cpp

@@ -0,0 +1,125 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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.
+**
+**************************************************************************/
+
+#include "analyzerutils.h"
+
+#include "analyzerconstants.h"
+
+#include <coreplugin/editormanager/editormanager.h>
+#include <coreplugin/icore.h>
+#include <texteditor/basetexteditor.h>
+#include <texteditor/itexteditor.h>
+#include <utils/qtcassert.h>
+
+#include <cplusplus/ExpressionUnderCursor.h>
+#include <cplusplus/ModelManagerInterface.h>
+#include <cplusplus/LookupItem.h>
+#include <cplusplus/TypeOfExpression.h>
+
+// shared/cplusplus includes
+#include <Scope.h>
+#include <Symbol.h>
+
+#include <QtGui/QTextDocumentFragment>
+#include <QtGui/QTextCursor>
+#include <QtGui/QWidget>
+
+using namespace Analyzer;
+using namespace Core;
+
+void moveCursorToEndOfName(QTextCursor *tc) {
+    QTextDocument *doc = tc->document();
+    if (!doc)
+        return;
+
+    QChar ch = doc->characterAt(tc->position());
+    while (ch.isLetterOrNumber() || ch == QLatin1Char('_')) {
+        tc->movePosition(QTextCursor::NextCharacter);
+        ch = doc->characterAt(tc->position());
+    }
+}
+
+// TODO: Can this be improved? This code is ripped from CppEditor, especially CppElementEvaluater
+// We cannot depend on this since CppEditor plugin code is internal and requires building the implementation files ourselves
+CPlusPlus::Symbol *AnalyzerUtils::findSymbolUnderCursor()
+{
+    EditorManager *editorManager = EditorManager::instance();
+    if (!editorManager)
+        return 0;
+    IEditor *editor = editorManager->currentEditor();
+    if (!editor)
+        return 0;
+    TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor *>(editor);
+    if (!textEditor)
+        return 0;
+    TextEditor::BaseTextEditorWidget *editorWidget = qobject_cast<TextEditor::BaseTextEditorWidget *>(editor->widget());
+    if (!editorWidget)
+        return 0;
+
+    QPlainTextEdit *ptEdit = qobject_cast<QPlainTextEdit *>(editor->widget());
+    if (!ptEdit)
+        return 0;
+
+    QTextCursor tc;
+    tc = ptEdit->textCursor();
+    int line = 0;
+    int column = 0;
+    const int pos = tc.position();
+    editorWidget->convertPosition(pos, &line, &column);
+
+    const CPlusPlus::Snapshot &snapshot = CPlusPlus::CppModelManagerInterface::instance()->snapshot();
+    CPlusPlus::Document::Ptr doc = snapshot.document(editor->file()->fileName());
+    QTC_ASSERT(doc, return 0)
+
+    // fetch the expression's code
+    CPlusPlus::ExpressionUnderCursor expressionUnderCursor;
+    moveCursorToEndOfName(&tc);
+    const QString &expression = expressionUnderCursor(tc);
+    CPlusPlus::Scope *scope = doc->scopeAt(line, column);
+
+    CPlusPlus::TypeOfExpression typeOfExpression;
+    typeOfExpression.init(doc, snapshot);
+    const QList<CPlusPlus::LookupItem> &lookupItems = typeOfExpression(expression, scope);
+    if (lookupItems.isEmpty())
+        return 0;
+
+    const CPlusPlus::LookupItem &lookupItem = lookupItems.first(); // ### TODO: select best candidate.
+    return lookupItem.declaration();
+}
+
+QWidget *AnalyzerUtils::createDummyWidget()
+{
+    QWidget *widget = new QWidget;
+    widget->setProperty(Constants::ANALYZER_DUMMYWIDGET_ID, QVariant(true));
+    return widget;
+}