Added plugin for supporting the Nim programming language

The plugin support:
- basic syntax highlighting
- indentation
- project management
- run and build configuration
- debugging
- code style

Change-Id: Idfbb02a11ed570c90149a54b726beb956712e2bd
Reviewed-by: David Schulz <david.schulz@theqtcompany.com>
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/nim/project/nimproject.h

@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) Filippo Cucchetto <filippocucchetto@gmail.com>
+** Contact: http://www.qt.io/licensing
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <projectexplorer/project.h>
+#include <projectexplorer/projectnodes.h>
+
+#include <QFileSystemWatcher>
+#include <QElapsedTimer>
+#include <QTimer>
+
+namespace TextEditor { class TextDocument; }
+
+namespace Nim {
+
+class NimProjectManager;
+class NimProjectNode;
+
+class NimProject : public ProjectExplorer::Project
+{
+    Q_OBJECT
+
+public:
+    NimProject(NimProjectManager *projectManager, const QString &fileName);
+
+    QString displayName() const override;
+    ProjectExplorer::IProjectManager *projectManager() const override;
+    ProjectExplorer::ProjectNode *rootProjectNode() const override;
+    QStringList files(FilesMode) const override;
+    bool needsConfiguration() const override;
+    QString projectDirectoryPath() const;
+    QString projectFilePath() const;
+    bool supportsKit(ProjectExplorer::Kit *k, QString *errorMessage) const override;
+    Utils::FileNameList nimFiles() const;
+
+private:
+    void scheduleProjectScan();
+    void populateProject();
+    void recursiveScanDirectory(const QDir &dir, QSet<QString> &container);
+    void addNodes(const QSet<QString> &nodes);
+    void removeNodes(const QSet<QString> &nodes);
+
+    ProjectExplorer::FolderNode *findFolderFor(const QStringList &projectDirectoryPath);
+
+    NimProjectManager *m_projectManager;
+    TextEditor::TextDocument *m_document;
+    NimProjectNode *m_rootNode;
+
+    QDir m_projectDir;
+    QFileInfo m_projectFile;
+    QSet<QString> m_files;
+    QFileSystemWatcher m_fsWatcher;
+
+    QElapsedTimer m_lastProjectScan;
+    QTimer m_projectScanTimer;
+};
+
+}