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/nimbuildconfiguration.cpp

@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#include "project/nimbuildconfiguration.h"
+
+#include "nimconstants.h"
+#include "project/nimproject.h"
+#include "project/nimbuildconfigurationwidget.h"
+#include "project/nimcompilerbuildstep.h"
+
+#include <projectexplorer/namedwidget.h>
+#include <projectexplorer/projectexplorerconstants.h>
+#include <projectexplorer/buildsteplist.h>
+#include <utils/qtcassert.h>
+
+using namespace ProjectExplorer;
+using namespace Utils;
+
+namespace Nim {
+
+NimBuildConfiguration::NimBuildConfiguration(Target *target)
+    : BuildConfiguration(target, Constants::C_NIMBUILDCONFIGURATION_ID)
+{}
+
+NamedWidget *NimBuildConfiguration::createConfigWidget()
+{
+    return new NimBuildConfigurationWidget(this);
+}
+
+BuildConfiguration::BuildType NimBuildConfiguration::buildType() const
+{
+    return BuildConfiguration::Unknown;
+}
+
+void NimBuildConfiguration::setBuildDirectory(const FileName &dir)
+{
+    if (dir == buildDirectory())
+        return;
+    BuildConfiguration::setBuildDirectory(dir);
+}
+
+bool NimBuildConfiguration::fromMap(const QVariantMap &map)
+{
+    if (!BuildConfiguration::fromMap(map))
+        return false;
+
+    if (!canRestore(map))
+        return false;
+
+    const QString displayName = map[Constants::C_NIMBUILDCONFIGURATION_DISPLAY_KEY].toString();
+    const QString buildDirectory = map[Constants::C_NIMBUILDCONFIGURATION_BUILDDIRECTORY_KEY].toString();
+
+    setDisplayName(displayName);
+    setBuildDirectory(FileName::fromString(buildDirectory));
+
+    return true;
+}
+
+QVariantMap NimBuildConfiguration::toMap() const
+{
+    QVariantMap result = BuildConfiguration::toMap();
+    result[Constants::C_NIMBUILDCONFIGURATION_DISPLAY_KEY] = displayName();
+    result[Constants::C_NIMBUILDCONFIGURATION_BUILDDIRECTORY_KEY] = buildDirectory().toString();
+    return result;
+}
+
+FileName NimBuildConfiguration::cacheDirectory() const
+{
+    return buildDirectory().appendPath(QStringLiteral("nimcache"));
+}
+
+FileName NimBuildConfiguration::outFilePath() const
+{
+    const NimCompilerBuildStep *step = nimCompilerBuildStep();
+    QTC_ASSERT(step, return FileName());
+    return step->outFilePath();
+}
+
+bool NimBuildConfiguration::canRestore(const QVariantMap &map)
+{
+    return idFromMap(map) == Constants::C_NIMBUILDCONFIGURATION_ID;
+}
+
+bool NimBuildConfiguration::hasNimCompilerBuildStep() const
+{
+    BuildStepList *steps = stepList(ProjectExplorer::Constants::BUILDSTEPS_BUILD);
+    QTC_ASSERT(steps, return false);
+    return steps->contains(Constants::C_NIMCOMPILERBUILDSTEP_ID);
+}
+
+bool NimBuildConfiguration::hasNimCompilerCleanStep() const
+{
+    BuildStepList *steps = stepList(ProjectExplorer::Constants::BUILDSTEPS_CLEAN);
+    QTC_ASSERT(steps, return false);
+    return steps ? steps->contains(Constants::C_NIMCOMPILERCLEANSTEP_ID) : false;
+}
+
+const NimCompilerBuildStep *NimBuildConfiguration::nimCompilerBuildStep() const
+{
+    BuildStepList *steps = stepList(ProjectExplorer::Constants::BUILDSTEPS_BUILD);
+    QTC_ASSERT(steps, return nullptr);
+    foreach (BuildStep *step, steps->steps())
+        if (step->id() == Constants::C_NIMCOMPILERBUILDSTEP_ID)
+            return qobject_cast<NimCompilerBuildStep *>(step);
+    return nullptr;
+}
+
+}
+