CMake: add auto completion for cmake editor

Original Patch by tomdeblauwe <tdb@traficon.be>

Change-Id: I54aea31755dd5702e6998c8343114d34a8752f7b
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/cmakeprojectmanager/cmakevalidator.h

@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef CMAKEVALIDATOR_H
+#define CMAKEVALIDATOR_H
+
+#include <QObject>
+#include <QString>
+#include <QStringList>
+#include <texteditor/codeassist/keywordscompletionassist.h>
+
+QT_FORWARD_DECLARE_CLASS(QProcess)
+
+namespace CMakeProjectManager {
+namespace Internal {
+
+class CMakeValidator : public QObject
+{
+    Q_OBJECT
+public:
+    CMakeValidator();
+    ~CMakeValidator();
+
+    enum State { Invalid, RunningBasic, RunningFunctionList, RunningFunctionDetails, ValidFunctionDetails };
+    void cancel();
+    bool isValid() const;
+
+    void setCMakeExecutable(const QString &executable);
+    QString cmakeExecutable() const;
+    bool hasCodeBlocksMsvcGenerator() const;
+    bool hasCodeBlocksNinjaGenerator() const;
+    TextEditor::Keywords keywords();
+private slots:
+    void finished(int exitCode);
+
+private:
+    void finishStep();
+    void startNextStep();
+    bool startProcess(const QStringList &args);
+    void parseFunctionOutput(const QByteArray &output);
+    void parseFunctionDetailsOutput(const QByteArray &output);
+    QString formatFunctionDetails(const QString &command, const QByteArray &args);
+
+    State m_state;
+    QProcess *m_process;
+    bool m_hasCodeBlocksMsvcGenerator;
+    bool m_hasCodeBlocksNinjaGenerator;
+    QString m_version;
+    QString m_executable;
+
+    QMap<QString, QStringList> m_functionArgs;
+    QStringList m_variables;
+    QStringList m_functions;
+};
+
+} // namespace Internal
+} // namespace CMakeProjectManager
+
+#endif // CMAKEVALIDATOR_H