JUCE/extras/Projucer/Source/ProjectSaving/jucer_ProjectExport_CLion.h

/*
  ==============================================================================

   This file is part of the JUCE 6 technical preview.
   Copyright (c) 2020 - Raw Material Software Limited

   You may use this code under the terms of the GPL v3
   (see www.gnu.org/licenses).

   For this technical preview, this file is not subject to commercial licensing.

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

#pragma once

#include "jucer_ProjectExport_CodeBlocks.h"
#include "jucer_ProjectExport_Make.h"
#include "jucer_ProjectExport_Xcode.h"

//==============================================================================
class CLionProjectExporter  : public ProjectExporter
{
protected:
    //==============================================================================
    class CLionBuildConfiguration  : public BuildConfiguration
    {
    public:
        CLionBuildConfiguration (Project& p, const ValueTree& settings, const ProjectExporter& e)
            : BuildConfiguration (p, settings, e)
        {
        }

        void createConfigProperties (PropertyListBuilder&) override         {}
        String getModuleLibraryArchName() const override                    { return {}; }
    };

    BuildConfiguration::Ptr createBuildConfig (const ValueTree& tree) const override
    {
        return *new CLionBuildConfiguration (project, tree, *this);
    }

public:
    //==============================================================================
    static String getDisplayName()        { return "CLion (beta)"; }
    static String getValueTreeTypeName()  { return "CLION"; }
    static String getTargetFolderName()   { return "CLion"; }

    static CLionProjectExporter* createForSettings (Project& projectToUse, const ValueTree& settingsToUse)
    {
        if (settingsToUse.hasType (getValueTreeTypeName()))
            return new CLionProjectExporter (projectToUse, settingsToUse);

        return nullptr;
    }

    static bool isExporterSupported (const ProjectExporter& exporter)
    {
        return exporter.isMakefile()
            || (exporter.isXcode() && ! exporter.isiOS())
            || (exporter.isCodeBlocks() && exporter.isWindows());
    }

    //==============================================================================
    CLionProjectExporter (Project& p, const ValueTree& t)   : ProjectExporter (p, t)
    {
        name = getDisplayName();
        targetLocationValue.setDefault (getDefaultBuildsRootFolder() + getTargetFolderName());
    }

    //==============================================================================
    bool usesMMFiles() const override                         { return false; }
    bool canCopeWithDuplicateFiles() override                 { return false; }
    bool supportsUserDefinedConfigurations() const override   { return false; }

    bool isXcode() const override                             { return false; }
    bool isVisualStudio() const override                      { return false; }
    bool isCodeBlocks() const override                        { return false; }
    bool isMakefile() const override                          { return false; }
    bool isAndroidStudio() const override                     { return false; }
    bool isCLion() const override                             { return true; }

    bool isAndroid() const override                           { return false; }
    bool isWindows() const override                           { return false; }
    bool isLinux() const override                             { return false; }
    bool isOSX() const override                               { return false; }
    bool isiOS() const override                               { return false; }

    bool supportsTargetType (build_tools::ProjectType::Target::Type) const override   { return true; }

    void addPlatformSpecificSettingsForProjectType (const build_tools::ProjectType&) override {}

    //==============================================================================
    bool canLaunchProject() override
    {
       #if JUCE_MAC
        static Identifier exporterName (XcodeProjectExporter::getValueTreeTypeNameMac());
       #elif JUCE_WINDOWS
        static Identifier exporterName (CodeBlocksProjectExporter::getValueTreeTypeNameWindows());
       #elif JUCE_LINUX
        static Identifier exporterName (MakefileProjectExporter::getValueTreeTypeName());
       #else
        static Identifier exporterName;
       #endif

        if (getProject().getExporters().getChildWithName (exporterName).isValid())
            return getCLionExecutableOrApp().exists();

        return false;
    }

    bool launchProject() override
    {
        return getCLionExecutableOrApp().startAsProcess (getTargetFolder().getFullPathName().quoted());
    }

    String getDescription() override
    {
        String description;

        description << "The " << getDisplayName() << " exporter produces a single CMakeLists.txt file with "
                    << "multiple platform dependent sections, where the configuration for each section "
                    << "is inherited from other exporters added to this project." << newLine
                    << newLine
                    << "The exporters which provide the CLion configuration for the corresponding platform are:" << newLine
                    << newLine;

        for (auto& exporterInfo : getExporterTypeInfos())
        {
            std::unique_ptr<ProjectExporter> exporter (createNewExporter (getProject(), exporterInfo.identifier));

            if (isExporterSupported (*exporter))
                description << exporterInfo.displayName << newLine;
        }

        description << newLine
                    << "Add these exporters to the project to enable CLion builds." << newLine
                    << newLine
                    << "Not all features of all the exporters are currently supported. Notable omissions are AUv3 "
                    << "plug-ins, embedding resources and fat binaries on MacOS. On Windows the CLion exporter "
                    << "requires a GCC-based compiler like MinGW.";

        return description;
    }

    void createExporterProperties (PropertyListBuilder& properties) override
    {
        for (Project::ExporterIterator exporter (getProject()); exporter.next();)
            if (isExporterSupported (*exporter))
                properties.add (new BooleanPropertyComponent (getExporterEnabledValue (*exporter), "Import settings from exporter", exporter->getUniqueName()),
                                "If this is enabled then settings from the corresponding exporter will "
                                "be used in the generated CMakeLists.txt");
    }

    void createDefaultConfigs() override {}

    void create (const OwnedArray<LibraryModule>&) const override
    {
        // We'll append to this later.
        build_tools::writeStreamToFile (getTargetFolder().getChildFile ("CMakeLists.txt"), [] (MemoryOutputStream& mo)
        {
            mo.setNewLineString ("\n");

            mo << "# Automatically generated CMakeLists, created by the Projucer" << newLine
               << "# Do not edit this file! Your changes will be overwritten when you re-save the Projucer project!" << newLine
               << newLine;

            mo << "cmake_minimum_required (VERSION 3.4.1)" << newLine
               << newLine;

            mo << "if (NOT CMAKE_BUILD_TYPE)" << newLine
               << "    set (CMAKE_BUILD_TYPE \"Debug\"  CACHE STRING \"Choose the type of build.\" FORCE)" << newLine
               << "endif (NOT CMAKE_BUILD_TYPE)" << newLine
               << newLine;
        });

        // CMake has stopped adding PkgInfo files to bundles, so we need to do it manually
        build_tools::writeStreamToFile (getTargetFolder().getChildFile ("PkgInfo"),
                                        [] (MemoryOutputStream& mo) { mo << "BNDL????"; });
    }

    void writeCMakeListsExporterSection (ProjectExporter* exporter) const
    {
        if (! (isExporterSupported (*exporter) && isExporterEnabled (*exporter)))
            return;

        MemoryBlock existingContent;
        getTargetFolder().getChildFile ("CMakeLists.txt").loadFileAsData (existingContent);

        MemoryOutputStream out (existingContent, true);
        out.setNewLineString ("\n");

        out << "###############################################################################" << newLine
            << "# " << exporter->getUniqueName() << newLine
            << "###############################################################################" << newLine
            << newLine;

        if (auto* makefileExporter = dynamic_cast<MakefileProjectExporter*> (exporter))
        {
            out << "if (UNIX AND NOT APPLE)" << newLine << newLine;
            writeCMakeListsMakefileSection (out, *makefileExporter);
        }
        else if (auto* xcodeExporter = dynamic_cast<XcodeProjectExporter*> (exporter))
        {
            out << "if (APPLE)" << newLine << newLine;
            writeCMakeListsXcodeSection (out, *xcodeExporter);
        }
        else if (auto* codeBlocksExporter = dynamic_cast<CodeBlocksProjectExporter*> (exporter))
        {
            out << "if (WIN32)" << newLine << newLine;
            writeCMakeListsCodeBlocksSection (out, *codeBlocksExporter);
        }

        out << "endif()" << newLine << newLine;

        build_tools::overwriteFileIfDifferentOrThrow (getTargetFolder().getChildFile ("CMakeLists.txt"), out);
    }

private:
    //==============================================================================
    static File getCLionExecutableOrApp()
    {
        File clionExeOrApp (getAppSettings()
                            .getStoredPath (Ids::clionExePath, TargetOS::getThisOS()).get()
                            .toString()
                            .replace ("${user.home}", File::getSpecialLocation (File::userHomeDirectory).getFullPathName()));

       #if JUCE_MAC
        if (clionExeOrApp.getFullPathName().endsWith ("/Contents/MacOS/clion"))
            clionExeOrApp = clionExeOrApp.getParentDirectory()
                                         .getParentDirectory()
                                         .getParentDirectory();
       #endif

        return clionExeOrApp;
    }

    //==============================================================================
    Identifier getExporterEnabledId (const ProjectExporter& exporter) const
    {
        jassert (isExporterSupported (exporter));

        if      (exporter.isMakefile())   return Ids::clionMakefileEnabled;
        else if (exporter.isXcode())      return Ids::clionXcodeEnabled;
        else if (exporter.isCodeBlocks()) return Ids::clionCodeBlocksEnabled;

        jassertfalse;
        return {};
    }

    bool isExporterEnabled (const ProjectExporter& exporter) const
    {
        auto setting = settings[getExporterEnabledId (exporter)];
        return setting.isVoid() || setting;
    }

    Value getExporterEnabledValue (const ProjectExporter& exporter)
    {
        auto enabledID = getExporterEnabledId (exporter);
        getSetting (enabledID) = isExporterEnabled (exporter);
        return getSetting (enabledID);
    }

    //==============================================================================
    static bool isWindowsAbsolutePath (const String& path)
    {
        return path.length() > 1 && path[1] == ':';
    }

    static bool isUnixAbsolutePath (const String& path)
    {
        return path.isNotEmpty() && (path[0] == '/' || path[0] == '~' || path.startsWith ("$ENV{HOME}"));
    }

    //==============================================================================
    static String setCMakeVariable (const String& variableName, const String& value)
    {
        return "set (" + variableName + " \"" + value + "\")";
    }

    static String addToCMakeVariable (const String& variableName, const String& value)
    {
        return setCMakeVariable (variableName, "${" + variableName + "} " + value);
    }

    static String getTargetVarName (build_tools::ProjectType::Target& target)
    {
        return String (target.getName()).toUpperCase().replaceCharacter (L' ', L'_');
    }

    template <class Target, class Exporter>
    void getFileInfoList (Target& target, Exporter& exporter, const Project::Item& projectItem, std::vector<std::tuple<String, bool, String>>& fileInfoList) const
    {
        auto targetType = (getProject().isAudioPluginProject() ? target.type : Target::Type::SharedCodeTarget);

        if (projectItem.isGroup())
        {
            for (int i = 0; i < projectItem.getNumChildren(); ++i)
                getFileInfoList (target, exporter, projectItem.getChild(i), fileInfoList);
        }
        else if (projectItem.shouldBeAddedToTargetProject() && projectItem.shouldBeAddedToTargetExporter (*this)
                 && getProject().getTargetTypeFromFilePath (projectItem.getFile(), true) == targetType )
        {
            auto path = build_tools::RelativePath (projectItem.getFile(), exporter.getTargetFolder(), build_tools::RelativePath::buildTargetFolder).toUnixStyle();

            fileInfoList.push_back (std::make_tuple (path, projectItem.shouldBeCompiled(),
                                                     exporter.compilerFlagSchemesMap[projectItem.getCompilerFlagSchemeString()].get().toString()));
        }
    }

    template <class Exporter>
    void writeCMakeTargets (OutputStream& out, Exporter& exporter) const
    {
        for (auto* target : exporter.targets)
        {
            if (target->type == build_tools::ProjectType::Target::Type::AggregateTarget
             || target->type == build_tools::ProjectType::Target::Type::AudioUnitv3PlugIn)
                continue;

            String functionName;
            StringArray properties;

            switch (target->getTargetFileType())
            {
                case build_tools::ProjectType::Target::TargetFileType::executable:
                    functionName = "add_executable";

                    if (exporter.isCodeBlocks() && exporter.isWindows()
                          && target->type !=
                            build_tools::ProjectType::Target::Type::ConsoleApp)
                        properties.add ("WIN32");

                    break;
                case build_tools::ProjectType::Target::TargetFileType::staticLibrary:
                case build_tools::ProjectType::Target::TargetFileType::sharedLibraryOrDLL:
                case build_tools::ProjectType::Target::TargetFileType::pluginBundle:
                    functionName = "add_library";

                    if (target->getTargetFileType() ==
                        build_tools::ProjectType::Target::TargetFileType::staticLibrary)
                        properties.add ("STATIC");
                    else if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::sharedLibraryOrDLL)
                        properties.add ("SHARED");
                    else
                        properties.add ("MODULE");

                    break;
                case build_tools::ProjectType::Target::TargetFileType::macOSAppex:
                case build_tools::ProjectType::Target::TargetFileType::unknown:
                default:
                    continue;
            }

            out << functionName << " (" << getTargetVarName (*target);

            if (! properties.isEmpty())
                out << " " << properties.joinIntoString (" ");

            out << newLine;

            std::vector<std::tuple<String, bool, String>> fileInfoList;
            for (auto& group : exporter.getAllGroups())
                getFileInfoList (*target, exporter, group, fileInfoList);

            for (auto& fileInfo : fileInfoList)
                out << "    " << std::get<0> (fileInfo).quoted() << newLine;

            auto isCMakeBundle = exporter.isXcode()
                              && target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle;
            auto pkgInfoPath = String ("PkgInfo").quoted();

            if (isCMakeBundle)
                out << "    " << pkgInfoPath << newLine;

            auto xcodeIcnsFilePath = [&] () -> String
            {
                if (exporter.isXcode()
                 && target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::executable)
                {
                    StringArray pathComponents = { "..", "MacOSX", "Icon.icns" };
                    auto xcodeIcnsFile = getTargetFolder();

                    for (auto& comp : pathComponents)
                        xcodeIcnsFile = xcodeIcnsFile.getChildFile (comp);

                    if (xcodeIcnsFile.existsAsFile())
                        return pathComponents.joinIntoString ("/").quoted();
                }

                return {};
            }();

            if (xcodeIcnsFilePath.isNotEmpty())
                out << "    " << xcodeIcnsFilePath << newLine;

            if (exporter.isCodeBlocks()
             && target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::executable)
            {
                StringArray pathComponents = { "..", "CodeBlocksWindows", "resources.rc" };
                auto windowsRcFile = getTargetFolder();

                for (auto& comp : pathComponents)
                    windowsRcFile = windowsRcFile.getChildFile (comp);

                if (windowsRcFile.existsAsFile())
                    out << "    " << pathComponents.joinIntoString ("/").quoted() << newLine;
            }

            out << ")" << newLine << newLine;

            if (isCMakeBundle)
                out << "set_source_files_properties (" << pkgInfoPath << " PROPERTIES MACOSX_PACKAGE_LOCATION .)" << newLine;

            if (xcodeIcnsFilePath.isNotEmpty())
                out << "set_source_files_properties (" << xcodeIcnsFilePath << " PROPERTIES MACOSX_PACKAGE_LOCATION \"Resources\")" << newLine;

            for (auto& fileInfo : fileInfoList)
            {
                if (std::get<1> (fileInfo))
                {
                    auto extraCompilerFlags = std::get<2> (fileInfo);

                    if (extraCompilerFlags.isNotEmpty())
                        out << "set_source_files_properties(" << std::get<0> (fileInfo).quoted() << " PROPERTIES COMPILE_FLAGS " << extraCompilerFlags << " )" << newLine;
                }
                else
                {
                    out << "set_source_files_properties (" << std::get<0> (fileInfo).quoted() << " PROPERTIES HEADER_FILE_ONLY TRUE)" << newLine;
                }
            }

            out << newLine;
        }
    }

    //==============================================================================
    void writeCMakeListsMakefileSection (OutputStream& out, MakefileProjectExporter& exporter) const
    {
        out << "project (" << getProject().getProjectNameString().quoted() << " C CXX)" << newLine
            << newLine;

        out << "find_package (PkgConfig REQUIRED)" << newLine;

        StringArray cmakePkgconfigPackages;

        for (auto& package : exporter.getPackages())
        {
            cmakePkgconfigPackages.add (package.toUpperCase());
            out << "pkg_search_module (" << cmakePkgconfigPackages.strings.getLast() << " REQUIRED " << package << ")" << newLine;
        }

        out << newLine;

        writeCMakeTargets (out, exporter);

        for (auto* target : exporter.targets)
        {
            if (target->type == build_tools::ProjectType::Target::Type::AggregateTarget)
                continue;

            if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle)
                out << "set_target_properties (" << getTargetVarName (*target) << " PROPERTIES PREFIX \"\")" << newLine;

            out << "set_target_properties (" << getTargetVarName (*target) << " PROPERTIES SUFFIX \"" << target->getTargetFileSuffix() << "\")" << newLine
                << newLine;
        }

        for (ProjectExporter::ConstConfigIterator c (exporter); c.next();)
        {
            auto& config = dynamic_cast<const MakefileProjectExporter::MakeBuildConfiguration&> (*c);

            out << "#------------------------------------------------------------------------------" << newLine
                << "# Config: " << config.getName() << newLine
                << "#------------------------------------------------------------------------------" << newLine
                << newLine;

            auto buildTypeCondition = String ("CMAKE_BUILD_TYPE STREQUAL " + config.getName());
            out << "if (" << buildTypeCondition << ")" << newLine
                << newLine;

            out << "execute_process (COMMAND uname -m OUTPUT_VARIABLE JUCE_ARCH_LABEL OUTPUT_STRIP_TRAILING_WHITESPACE)" << newLine
                << newLine;

            out << "include_directories (" << newLine;

            for (auto& path : exporter.getHeaderSearchPaths (config))
                out << "    " << path.quoted() << newLine;

            for (auto& package : cmakePkgconfigPackages)
                out << "    ${" << package << "_INCLUDE_DIRS}" << newLine;

            out << ")" << newLine << newLine;

            StringArray cmakeFoundLibraries;

            for (auto& library : exporter.getLibraryNames (config))
            {
                String cmakeLibraryID (library.toUpperCase());
                cmakeFoundLibraries.add (String ("${") + cmakeLibraryID + "}");
                out << "find_library (" << cmakeLibraryID << " " << library << newLine;

                for (auto& path : exporter.getLibrarySearchPaths (config))
                    out << "    " << path.quoted() << newLine;

                out << ")" << newLine
                    << newLine;
            }

            for (auto* target : exporter.targets)
            {
                if (target->type == build_tools::ProjectType::Target::Type::AggregateTarget)
                    continue;

                auto targetVarName = getTargetVarName (*target);

                out << "set_target_properties (" << targetVarName << " PROPERTIES" << newLine
                    << "    OUTPUT_NAME "  <<  config.getTargetBinaryNameString().quoted() << newLine;

                auto cxxStandard = project.getCppStandardString();

                if (cxxStandard == "latest")
                    cxxStandard = "17";

                out << "    CXX_STANDARD " << cxxStandard << newLine;

                if (! shouldUseGNUExtensions())
                    out << "    CXX_EXTENSIONS OFF" << newLine;

                out << ")" << newLine << newLine;

                auto defines = exporter.getDefines (config);
                defines.addArray (target->getDefines (config));

                out << "target_compile_definitions (" << targetVarName << " PRIVATE" << newLine;

                for (auto& key : defines.getAllKeys())
                    out << "    " << key << "=" << defines[key] << newLine;

                out << ")" << newLine << newLine;

                auto targetFlags = target->getCompilerFlags();

                if (! targetFlags.isEmpty())
                {
                    out << "target_compile_options (" << targetVarName << " PRIVATE" << newLine;

                    for (auto& flag : targetFlags)
                        out << "    " << flag << newLine;

                    out << ")" << newLine << newLine;
                }

                out << "target_link_libraries (" << targetVarName << " PRIVATE" << newLine;

                if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle
                 || target->type == build_tools::ProjectType::Target::Type::StandalonePlugIn)
                    out << "    SHARED_CODE" << newLine;

                out << "    " << exporter.getArchFlags (config) << newLine;

                for (auto& flag : target->getLinkerFlags())
                    out << "    " << flag << newLine;

                for (auto& flag : exporter.getLinkerFlags (config))
                    out << "    " << flag << newLine;

                for (auto& lib : cmakeFoundLibraries)
                    out << "    " << lib << newLine;

                for (auto& package : cmakePkgconfigPackages)
                    out << "    ${" << package << "_LIBRARIES}" << newLine;

                out << ")" << newLine << newLine;

                if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle
                    || target->type == build_tools::ProjectType::Target::Type::StandalonePlugIn)
                    out << "add_dependencies (" << targetVarName << " " << "SHARED_CODE)" << newLine << newLine;
            }

            StringArray cFlags;
            cFlags.add (exporter.getArchFlags (config));
            cFlags.addArray (exporter.getCPreprocessorFlags (config));
            cFlags.addArray (exporter.getCFlags (config));
            out << addToCMakeVariable ("CMAKE_C_FLAGS", cFlags.joinIntoString (" ")) << newLine;

            String cxxFlags;

            for (auto& flag : exporter.getCXXFlags())
                if (! flag.startsWith ("-std="))
                    cxxFlags += " " + flag;

            out << addToCMakeVariable ("CMAKE_CXX_FLAGS", "${CMAKE_C_FLAGS} " + cxxFlags) << newLine
                << newLine;

            out << "endif (" << buildTypeCondition << ")" << newLine
                << newLine;
        }
    }

    //==============================================================================
    void writeCMakeListsCodeBlocksSection (OutputStream& out, CodeBlocksProjectExporter& exporter) const
    {
        out << "project (" << getProject().getProjectNameString().quoted() << " C CXX)" << newLine
            << newLine;

        writeCMakeTargets (out, exporter);

        for (auto* target : exporter.targets)
        {
            if (target->type == build_tools::ProjectType::Target::Type::AggregateTarget)
                continue;

            out << "set_target_properties (" << getTargetVarName (*target) << " PROPERTIES PREFIX \"\")" << newLine
                << "set_target_properties (" << getTargetVarName (*target) << " PROPERTIES SUFFIX " << target->getTargetSuffix().quoted() << ")" << newLine
                << newLine;
        }

        for (ProjectExporter::ConstConfigIterator c (exporter); c.next();)
        {
            auto& config = dynamic_cast<const CodeBlocksProjectExporter::CodeBlocksBuildConfiguration&> (*c);

            out << "#------------------------------------------------------------------------------" << newLine
                << "# Config: " << config.getName() << newLine
                << "#------------------------------------------------------------------------------" << newLine
                << newLine;

            auto buildTypeCondition = String ("CMAKE_BUILD_TYPE STREQUAL " + config.getName());
            out << "if (" << buildTypeCondition << ")" << newLine
                << newLine;

            out << "include_directories (" << newLine;

            for (auto& path : exporter.getIncludePaths (config))
                out << "    " << path.replace ("\\", "/").quoted() << newLine;

            out << ")" << newLine << newLine;

            for (auto* target : exporter.targets)
            {
                if (target->type == build_tools::ProjectType::Target::Type::AggregateTarget)
                    continue;

                auto targetVarName = getTargetVarName (*target);

                out << "set_target_properties (" << targetVarName << " PROPERTIES" << newLine
                    << "    OUTPUT_NAME "  <<  config.getTargetBinaryNameString().quoted() << newLine;

                auto cxxStandard = project.getCppStandardString();

                if (cxxStandard == "latest")
                    cxxStandard = "17";

                out << "    CXX_STANDARD " << cxxStandard << newLine;

                if (! shouldUseGNUExtensions())
                    out << "    CXX_EXTENSIONS OFF" << newLine;

                out << ")" << newLine << newLine;

                out << "target_compile_definitions (" << targetVarName << " PRIVATE" << newLine;

                for (auto& def : exporter.getDefines (config, *target))
                    out << "    " << def << newLine;

                out << ")" << newLine << newLine;

                out << "target_compile_options (" << targetVarName << " PRIVATE" << newLine;

                for (auto& option : exporter.getCompilerFlags (config, *target))
                    if (! option.startsWith ("-std="))
                        out << "    " << option.quoted() << newLine;

                out << ")" << newLine << newLine;

                out << "target_link_libraries (" << targetVarName << " PRIVATE" << newLine;

                if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle
                    || target->type == build_tools::ProjectType::Target::Type::StandalonePlugIn)
                    out << "    SHARED_CODE" << newLine
                        << "    -L." << newLine;

                for (auto& path : exporter.getLinkerSearchPaths (config, *target))
                {
                    out << "    \"-L\\\"";

                    if (! isWindowsAbsolutePath (path))
                        out << "${CMAKE_CURRENT_SOURCE_DIR}/";

                    out << path.replace ("\\", "/").unquoted() << "\\\"\"" << newLine;
                }

                for (auto& flag : exporter.getLinkerFlags (config, *target))
                    out << "    " << flag << newLine;

                for (auto& flag : exporter.getProjectLinkerLibs())
                    out << "    -l" << flag << newLine;

                for (auto& lib : exporter.mingwLibs)
                    out << "    -l" << lib << newLine;

                out << ")" << newLine << newLine;
            }

            out << addToCMakeVariable ("CMAKE_CXX_FLAGS", exporter.getProjectCompilerOptions().joinIntoString (" ")) << newLine
                << addToCMakeVariable ("CMAKE_C_FLAGS", "${CMAKE_CXX_FLAGS}") << newLine
                << newLine;

            out << "endif (" << buildTypeCondition << ")" << newLine
                << newLine;
        }
    }

    //==============================================================================
    void writeCMakeListsXcodeSection (OutputStream& out, XcodeProjectExporter& exporter) const
    {
        // We need to find out the SDK root before defining the project. Unfortunately this is
        // set per-target in the Xcode project, but we want it per-configuration.
        for (ProjectExporter::ConstConfigIterator c (exporter); c.next();)
        {
            auto& config = dynamic_cast<const XcodeProjectExporter::XcodeBuildConfiguration&> (*c);

            for (auto* target : exporter.targets)
            {
                if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::macOSAppex
                    || target->type == build_tools::ProjectType::Target::Type::AggregateTarget
                    || target->type == build_tools::ProjectType::Target::Type::AudioUnitv3PlugIn)
                    continue;

                auto targetAttributes = target->getTargetSettings (config);
                auto targetAttributeKeys = targetAttributes.getAllKeys();

                if (targetAttributes.getAllKeys().contains ("SDKROOT"))
                {
                    out << "if (CMAKE_BUILD_TYPE STREQUAL " + config.getName() << ")" << newLine
                        << "    set (CMAKE_OSX_SYSROOT " << targetAttributes["SDKROOT"] << ")" << newLine
                        << "endif()" << newLine << newLine;
                    break;
                }
            }
        }

        out << "project (" << getProject().getProjectNameString().quoted() << " C CXX)" << newLine << newLine;

        writeCMakeTargets (out, exporter);

        for (auto* target : exporter.targets)
        {
            if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::macOSAppex
                || target->type == build_tools::ProjectType::Target::Type::AggregateTarget
                || target->type == build_tools::ProjectType::Target::Type::AudioUnitv3PlugIn)
                continue;

            if (target->type == build_tools::ProjectType::Target::Type::AudioUnitPlugIn)
                out << "find_program (RC_COMPILER Rez NO_DEFAULT_PATHS PATHS \"/Applications/Xcode.app/Contents/Developer/usr/bin\")" << newLine
                    << "if (NOT RC_COMPILER)" << newLine
                    << "    message (WARNING \"failed to find Rez; older resource-based AU plug-ins may not work correctly\")" << newLine
                    << "endif (NOT RC_COMPILER)" << newLine  << newLine;

            if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::staticLibrary
                || target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::sharedLibraryOrDLL)
                out << "set_target_properties (" << getTargetVarName (*target) << " PROPERTIES SUFFIX \"" << target->xcodeBundleExtension << "\")" << newLine
                    << newLine;
        }

        for (ProjectExporter::ConstConfigIterator c (exporter); c.next();)
        {
            auto& config = dynamic_cast<const XcodeProjectExporter::XcodeBuildConfiguration&> (*c);

            out << "#------------------------------------------------------------------------------" << newLine
                << "# Config: " << config.getName() << newLine
                << "#------------------------------------------------------------------------------" << newLine
                << newLine;

            auto buildTypeCondition = String ("CMAKE_BUILD_TYPE STREQUAL " + config.getName());
            out << "if (" << buildTypeCondition << ")" << newLine
                << newLine;

            out << "execute_process (COMMAND uname -m OUTPUT_VARIABLE JUCE_ARCH_LABEL OUTPUT_STRIP_TRAILING_WHITESPACE)" << newLine
                << newLine;

            auto configSettings = exporter.getProjectSettings (config);
            auto configSettingsKeys = configSettings.getAllKeys();

            auto binaryName = config.getTargetBinaryNameString();

            if (configSettingsKeys.contains ("PRODUCT_NAME"))
                binaryName = configSettings["PRODUCT_NAME"].unquoted();

            for (auto* target : exporter.targets)
            {
                if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::macOSAppex
                    || target->type == build_tools::ProjectType::Target::Type::AggregateTarget
                    || target->type == build_tools::ProjectType::Target::Type::AudioUnitv3PlugIn)
                    continue;

                auto targetVarName = getTargetVarName (*target);

                auto targetAttributes = target->getTargetSettings (config);
                auto targetAttributeKeys = targetAttributes.getAllKeys();

                StringArray headerSearchPaths;

                if (targetAttributeKeys.contains ("HEADER_SEARCH_PATHS"))
                {
                    auto paths = targetAttributes["HEADER_SEARCH_PATHS"].trim().substring (1).dropLastCharacters (1);
                    paths = paths.replace ("\"$(inherited)\"", {})
                                 .replace ("$(HOME)", "$ENV{HOME}")
                                 .replace ("~", "$ENV{HOME}");
                    headerSearchPaths.addTokens (paths, ",\"\t\\", {});
                    headerSearchPaths.removeEmptyStrings();
                    targetAttributeKeys.removeString ("HEADER_SEARCH_PATHS");
                }

                out << "target_include_directories (" << targetVarName << " PRIVATE" << newLine;

                for (auto& path : headerSearchPaths)
                    out << "    " << path.quoted() << newLine;

                out << ")" << newLine << newLine;

                StringArray defines;

                if (targetAttributeKeys.contains ("GCC_PREPROCESSOR_DEFINITIONS"))
                {
                    defines.addTokens (targetAttributes["GCC_PREPROCESSOR_DEFINITIONS"], "() ,\t", {});
                    defines.removeEmptyStrings();
                    targetAttributeKeys.removeString ("GCC_PREPROCESSOR_DEFINITIONS");
                }

                out << "target_compile_definitions (" << targetVarName << " PRIVATE" << newLine;

                for (auto& def : defines)
                    out << "    " << def << newLine;

                out << ")" << newLine << newLine;

                StringArray cppFlags;

                String archLabel ("${JUCE_ARCH_LABEL}");

                // Fat binaries are not supported.
                if (targetAttributeKeys.contains ("ARCHS"))
                {
                    auto value = targetAttributes["ARCHS"].unquoted();

                    if  (value.contains ("NATIVE_ARCH_ACTUAL"))
                    {
                        cppFlags.add ("-march=native");
                    }
                    else if (value.contains ("ARCHS_STANDARD_32_BIT"))
                    {
                        archLabel = "i386";
                        cppFlags.add ("-arch x86");
                    }
                    else if (value.contains ("ARCHS_STANDARD_32_64_BIT")
                          || value.contains ("ARCHS_STANDARD_64_BIT"))
                    {
                        archLabel = "x86_64";
                        cppFlags.add ("-arch x86_64");
                    }

                    targetAttributeKeys.removeString ("ARCHS");
                }

                if (targetAttributeKeys.contains ("MACOSX_DEPLOYMENT_TARGET"))
                {
                    cppFlags.add ("-mmacosx-version-min=" + targetAttributes["MACOSX_DEPLOYMENT_TARGET"]);
                    targetAttributeKeys.removeString ("MACOSX_DEPLOYMENT_TARGET");
                }

                if (targetAttributeKeys.contains ("OTHER_CPLUSPLUSFLAGS"))
                {
                    cppFlags.add (targetAttributes["OTHER_CPLUSPLUSFLAGS"].unquoted());
                    targetAttributeKeys.removeString ("OTHER_CPLUSPLUSFLAGS");
                }

                if (targetAttributeKeys.contains ("GCC_OPTIMIZATION_LEVEL"))
                {
                    cppFlags.add ("-O" + targetAttributes["GCC_OPTIMIZATION_LEVEL"]);
                    targetAttributeKeys.removeString ("GCC_OPTIMIZATION_LEVEL");
                }

                if (targetAttributeKeys.contains ("LLVM_LTO"))
                {
                    cppFlags.add ("-flto");
                    targetAttributeKeys.removeString ("LLVM_LTO");
                }

                if (targetAttributeKeys.contains ("GCC_FAST_MATH"))
                {
                    cppFlags.add ("-ffast-math");
                    targetAttributeKeys.removeString ("GCC_FAST_MATH");
                }

                // We'll take this setting from the project
                targetAttributeKeys.removeString ("CLANG_CXX_LANGUAGE_STANDARD");

                if (targetAttributeKeys.contains ("CLANG_CXX_LIBRARY"))
                {
                    cppFlags.add ("-stdlib=" + targetAttributes["CLANG_CXX_LIBRARY"].unquoted());
                    targetAttributeKeys.removeString ("CLANG_CXX_LIBRARY");
                }

                out << "target_compile_options (" << targetVarName << " PRIVATE" << newLine;

                for (auto& flag : cppFlags)
                    out << "    " << flag << newLine;

                out << ")" << newLine << newLine;

                StringArray libSearchPaths;

                if (targetAttributeKeys.contains ("LIBRARY_SEARCH_PATHS"))
                {
                    auto paths = targetAttributes["LIBRARY_SEARCH_PATHS"].trim().substring (1).dropLastCharacters (1);
                    paths = paths.replace ("\"$(inherited)\"", {});
                    paths = paths.replace ("$(HOME)", "$ENV{HOME}");
                    libSearchPaths.addTokens (paths, ",\"\t\\", {});
                    libSearchPaths.removeEmptyStrings();

                    for (auto& libPath : libSearchPaths)
                    {
                        libPath = libPath.replace ("${CURRENT_ARCH}", archLabel);

                        if (! isUnixAbsolutePath (libPath))
                            libPath = "${CMAKE_CURRENT_SOURCE_DIR}/" + libPath;
                    }

                    targetAttributeKeys.removeString ("LIBRARY_SEARCH_PATHS");
                }

                StringArray linkerFlags;

                if (targetAttributeKeys.contains ("OTHER_LDFLAGS"))
                {
                    // CMake adds its own SHARED_CODE library linking flags
                    auto flagsWithReplacedSpaces = targetAttributes["OTHER_LDFLAGS"].unquoted().replace ("\\\\ ", "^^%%^^");
                    linkerFlags.addTokens (flagsWithReplacedSpaces, true);
                    linkerFlags.removeString ("-bundle");
                    linkerFlags.removeString ("-l" + binaryName.replace (" ", "^^%%^^"));

                    for (auto& flag : linkerFlags)
                        flag = flag.replace ("^^%%^^", " ");

                    targetAttributeKeys.removeString ("OTHER_LDFLAGS");
                }

                if (target->type == build_tools::ProjectType::Target::Type::AudioUnitPlugIn)
                {
                    String rezFlags;

                    if (targetAttributeKeys.contains ("OTHER_REZFLAGS"))
                    {
                        rezFlags = targetAttributes["OTHER_REZFLAGS"];
                        targetAttributeKeys.removeString ("OTHER_REZFLAGS");
                    }

                    for (auto& item : exporter.getAllGroups())
                    {
                        if (item.getName() == ProjectSaver::getJuceCodeGroupName())
                        {
                            auto resSourcesVar = targetVarName + "_REZ_SOURCES";
                            auto resOutputVar = targetVarName + "_REZ_OUTPUT";

                            auto sdkVersion = config.getOSXSDKVersionString().upToFirstOccurrenceOf (" ", false, false);
                            auto sysroot = "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX" + sdkVersion + ".sdk";

                            build_tools::RelativePath rFile ("JuceLibraryCode/include_juce_audio_plugin_client_AU.r", build_tools::RelativePath::projectFolder);
                            rFile = rebaseFromProjectFolderToBuildTarget (rFile);

                            out << "if (RC_COMPILER)" << newLine
                                << "    set (" << resSourcesVar << newLine
                                << "        " << ("${CMAKE_CURRENT_SOURCE_DIR}/" + rFile.toUnixStyle()).quoted() << newLine
                                << "    )" << newLine
                                << "    set (" << resOutputVar << " " << ("${CMAKE_CURRENT_BINARY_DIR}/" + binaryName + ".rsrc").quoted() << ")" << newLine
                                << "    target_sources (" << targetVarName << " PRIVATE" << newLine
                                << "        ${" << resSourcesVar << "}" << newLine
                                << "        ${" << resOutputVar << "}" << newLine
                                << "    )" << newLine
                                << "    execute_process (COMMAND" << newLine
                                << "        ${RC_COMPILER}" << newLine
                                << "        " << rezFlags.unquoted().removeCharacters ("\\") << newLine
                                << "        -isysroot " << sysroot.quoted() << newLine;

                            for (auto& path : headerSearchPaths)
                            {
                                out << "        -I \"";

                                if (! isUnixAbsolutePath (path))
                                    out << "${PROJECT_SOURCE_DIR}/";

                                out << path << "\"" << newLine;
                            }

                            out << "        ${" << resSourcesVar << "}" << newLine
                                << "        -o ${" << resOutputVar << "}" << newLine
                                << "    )" << newLine
                                << "    set_source_files_properties (${" << resOutputVar << "} PROPERTIES" << newLine
                                << "        GENERATED TRUE" << newLine
                                << "        MACOSX_PACKAGE_LOCATION Resources" << newLine
                                << "    )" << newLine
                                << "endif (RC_COMPILER)" << newLine  << newLine;
                            break;
                        }
                    }
                }

                if (targetAttributeKeys.contains ("INFOPLIST_FILE"))
                {
                    auto plistFile = exporter.getTargetFolder().getChildFile (targetAttributes["INFOPLIST_FILE"]);

                    if (auto plist = parseXML (plistFile))
                    {
                        if (auto* dict = plist->getChildByName ("dict"))
                        {
                            if (auto* entry = dict->getChildByName ("key"))
                            {
                                while (entry != nullptr)
                                {
                                    if (entry->getAllSubText() == "CFBundleExecutable")
                                    {
                                        if (auto* bundleName = entry->getNextElementWithTagName ("string"))
                                        {
                                            bundleName->deleteAllTextElements();
                                            bundleName->addTextElement (binaryName);
                                        }
                                    }

                                    entry = entry->getNextElementWithTagName ("key");
                                }
                            }
                        }

                        auto updatedPlist = getTargetFolder().getChildFile (config.getName() + "-" + plistFile.getFileName());

                        XmlElement::TextFormat format;
                        format.dtd = "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">";
                        plist->writeTo (updatedPlist, format);

                        targetAttributes.set ("INFOPLIST_FILE", ("${CMAKE_CURRENT_SOURCE_DIR}/" + updatedPlist.getFileName()).quoted());
                    }
                    else
                    {
                        targetAttributeKeys.removeString ("INFOPLIST_FILE");
                    }
                }

                targetAttributeKeys.sort (false);

                out << "set_target_properties (" << targetVarName << " PROPERTIES" << newLine
                    << "    OUTPUT_NAME "  << binaryName.quoted() << newLine;

                auto cxxStandard = project.getCppStandardString();

                if (cxxStandard == "latest")
                    cxxStandard = "17";

                out << "    CXX_STANDARD " << cxxStandard << newLine;

                if (! shouldUseGNUExtensions())
                    out << "    CXX_EXTENSIONS OFF" << newLine;

                for (auto& key : targetAttributeKeys)
                    out << "    XCODE_ATTRIBUTE_" << key << " " << targetAttributes[key] << newLine;

                if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::executable
                    || target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle)
                {
                    out << "    MACOSX_BUNDLE_INFO_PLIST "     << targetAttributes.getValue ("INFOPLIST_FILE", "\"\"") << newLine
                        << "    XCODE_ATTRIBUTE_PRODUCT_NAME " << binaryName.quoted() << newLine;

                    if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::executable)
                    {
                        out << "    MACOSX_BUNDLE TRUE" << newLine;
                    }
                    else
                    {
                        out << "    BUNDLE TRUE" << newLine
                            << "    BUNDLE_EXTENSION " << targetAttributes.getValue ("WRAPPER_EXTENSION", "\"\"") << newLine
                            << "    XCODE_ATTRIBUTE_MACH_O_TYPE \"mh_bundle\"" << newLine;
                    }
                }

                out << ")" << newLine << newLine;

                out << "target_link_libraries (" << targetVarName << " PRIVATE" << newLine;

                if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle
                    || target->type == build_tools::ProjectType::Target::Type::StandalonePlugIn)
                    out << "    SHARED_CODE" << newLine;

                for (auto& path : libSearchPaths)
                    out << "    \"-L\\\"" << path << "\\\"\"" << newLine;

                for (auto& flag : linkerFlags)
                    out << "    " << flag.quoted() << newLine;

                for (auto& framework : target->frameworkNames)
                        out << "    \"-framework " << framework << "\"" << newLine;

                out << ")" << newLine << newLine;

                if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle
                    || target->type == build_tools::ProjectType::Target::Type::StandalonePlugIn)
                {
                    if (target->getTargetFileType() == build_tools::ProjectType::Target::TargetFileType::pluginBundle
                        && targetAttributeKeys.contains("INSTALL_PATH"))
                    {
                        auto installPath = targetAttributes["INSTALL_PATH"].unquoted().replace ("$(HOME)", "$ENV{HOME}");
                        auto productFilename = binaryName + (targetAttributeKeys.contains ("WRAPPER_EXTENSION") ? "." + targetAttributes["WRAPPER_EXTENSION"] : String());
                        auto productPath = (installPath + productFilename).quoted();
                        out << "add_custom_command (TARGET " << targetVarName << " POST_BUILD" << newLine
                            << "    COMMAND ${CMAKE_COMMAND} -E remove_directory " << productPath << newLine
                            << "    COMMAND ${CMAKE_COMMAND} -E copy_directory \"${CMAKE_BINARY_DIR}/" << productFilename << "\" " << productPath << newLine
                            << "    COMMENT \"Copying \\\"" << productFilename << "\\\" to \\\"" << installPath.unquoted() << "\\\"\"" << newLine
                            << ")" << newLine << newLine;
                    }
                }
            }

            std::map<String, String> basicWarnings
            {
                { "CLANG_WARN_BOOL_CONVERSION",       "bool-conversion" },
                { "CLANG_WARN_COMMA",                 "comma" },
                { "CLANG_WARN_CONSTANT_CONVERSION",   "constant-conversion" },
                { "CLANG_WARN_EMPTY_BODY",            "empty-body" },
                { "CLANG_WARN_ENUM_CONVERSION",       "enum-conversion" },
                { "CLANG_WARN_INFINITE_RECURSION",    "infinite-recursion" },
                { "CLANG_WARN_INT_CONVERSION",        "int-conversion" },
                { "CLANG_WARN_RANGE_LOOP_ANALYSIS",   "range-loop-analysis" },
                { "CLANG_WARN_STRICT_PROTOTYPES",     "strict-prototypes" },
                { "GCC_WARN_CHECK_SWITCH_STATEMENTS", "switch" },
                { "GCC_WARN_UNUSED_VARIABLE",         "unused-variable" },
                { "GCC_WARN_MISSING_PARENTHESES",     "parentheses" },
                { "GCC_WARN_NON_VIRTUAL_DESTRUCTOR",  "non-virtual-dtor" },
                { "GCC_WARN_64_TO_32_BIT_CONVERSION", "shorten-64-to-32" },
                { "GCC_WARN_UNDECLARED_SELECTOR",     "undeclared-selector" },
                { "GCC_WARN_UNUSED_FUNCTION",         "unused-function" }
            };

            StringArray compilerFlags;

            for (auto& key : configSettingsKeys)
            {
                auto basicWarning = basicWarnings.find (key);

                if (basicWarning != basicWarnings.end())
                {
                    compilerFlags.add (configSettings[key] == "YES" ? "-W" + basicWarning->second : "-Wno-" + basicWarning->second);
                }
                else if (key == "CLANG_WARN_SUSPICIOUS_MOVE"         && configSettings[key] == "YES") compilerFlags.add ("-Wmove");
                else if (key == "CLANG_WARN_UNREACHABLE_CODE"        && configSettings[key] == "YES") compilerFlags.add ("-Wunreachable-code");
                else if (key == "CLANG_WARN__DUPLICATE_METHOD_MATCH" && configSettings[key] == "YES") compilerFlags.add ("-Wduplicate-method-match");
                else if (key == "GCC_INLINES_ARE_PRIVATE_EXTERN"     && configSettings[key] == "YES") compilerFlags.add ("-fvisibility-inlines-hidden");
                else if (key == "GCC_NO_COMMON_BLOCKS"               && configSettings[key] == "YES") compilerFlags.add ("-fno-common");
                else if (key == "GCC_WARN_ABOUT_RETURN_TYPE"         && configSettings[key] != "YES") compilerFlags.add (configSettings[key] == "YES_ERROR" ? "-Werror=return-type" : "-Wno-return-type");
                else if (key == "GCC_WARN_TYPECHECK_CALLS_TO_PRINTF" && configSettings[key] != "YES") compilerFlags.add ("-Wno-format");
                else if (key == "GCC_WARN_UNINITIALIZED_AUTOS")
                {
                    if      (configSettings[key] == "YES")            compilerFlags.add ("-Wuninitialized");
                    else if (configSettings[key] == "YES_AGGRESSIVE") compilerFlags.add ("--Wconditional-uninitialized");
                    else                                              compilerFlags.add (")-Wno-uninitialized");
                }
                else if (key == "WARNING_CFLAGS") compilerFlags.add (configSettings[key].unquoted());
            }

            out << addToCMakeVariable ("CMAKE_CXX_FLAGS", compilerFlags.joinIntoString (" ")) << newLine
                << addToCMakeVariable ("CMAKE_C_FLAGS", "${CMAKE_CXX_FLAGS}") << newLine
                << newLine;

            out << "endif (" << buildTypeCondition << ")" << newLine
                << newLine;
        }
    }

    //==============================================================================
    JUCE_DECLARE_NON_COPYABLE (CLionProjectExporter)
};