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Wojtek Figat
227
Source/Tools/Flax.Build/Build/Platform.cs
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227
Source/Tools/Flax.Build/Build/Platform.cs
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// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Flax.Build.NativeCpp;
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namespace Flax.Build
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{
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/// <summary>
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/// The base class for all platform toolsets.
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/// </summary>
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public abstract class Platform
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{
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private static Platform _buildPlatform;
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private static Platform[] _platforms;
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private Dictionary<TargetArchitecture, Toolchain> _toolchains;
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/// <summary>
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/// Gets the current target platform that build tool runs on.
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/// </summary>
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public static TargetPlatform BuildTargetPlatform
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{
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get
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{
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if (_buildPlatform == null)
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{
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OperatingSystem os = Environment.OSVersion;
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PlatformID platformId = os.Platform;
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switch (platformId)
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{
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case PlatformID.Win32NT:
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case PlatformID.Win32S:
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case PlatformID.Win32Windows:
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case PlatformID.WinCE: return TargetPlatform.Windows;
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case PlatformID.Unix: return TargetPlatform.Linux;
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default: throw new NotImplementedException(string.Format("Unsupported build platform {0}.", platformId));
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}
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}
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return _buildPlatform.Target;
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}
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}
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/// <summary>
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/// Gets the current platform that build tool runs on.
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/// </summary>
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public static Platform BuildPlatform
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{
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get
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{
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if (_buildPlatform == null)
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{
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_buildPlatform = GetPlatform(BuildTargetPlatform);
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}
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return _buildPlatform;
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}
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}
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/// <summary>
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/// Gets the platform target type.
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/// </summary>
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public abstract TargetPlatform Target { get; }
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/// <summary>
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/// Gets a value indicating whether required external SDKs are installed for this platform.
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/// </summary>
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public abstract bool HasRequiredSDKsInstalled { get; }
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/// <summary>
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/// Gets a value indicating whether precompiled headers are supported on that platform.
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/// </summary>
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public abstract bool HasPrecompiledHeaderSupport { get; }
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/// <summary>
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/// Gets a value indicating whether that platform supports shared libraries (dynamic link libraries).
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/// </summary>
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public abstract bool HasSharedLibrarySupport { get; }
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/// <summary>
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/// Gets a value indicating whether that platform supports building target into modular libraries (otherwise will force monolithic linking).
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/// </summary>
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public virtual bool HasModularBuildSupport => true;
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/// <summary>
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/// Gets the executable file extension (including leading dot).
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/// </summary>
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public abstract string ExecutableFileExtension { get; }
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/// <summary>
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/// Gets the shared library file extension (including leading dot).
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/// </summary>
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public abstract string SharedLibraryFileExtension { get; }
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/// <summary>
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/// Gets the static library file extension (including leading dot).
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/// </summary>
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public abstract string StaticLibraryFileExtension { get; }
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/// <summary>
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/// Gets the program database file extension (including leading dot).
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/// </summary>
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public abstract string ProgramDatabaseFileExtension { get; }
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/// <summary>
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/// Gets the executable and library files prefix.
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/// </summary>
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public virtual string BinaryFilePrefix => string.Empty;
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/// <summary>
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/// Gets the default project format used by the given platform.
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/// </summary>
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public abstract Projects.ProjectFormat DefaultProjectFormat { get; }
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/// <summary>
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/// Creates the toolchain for a given architecture.
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/// </summary>
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/// <param name="architecture">The architecture.</param>
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/// <returns>The toolchain.</returns>
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protected abstract Toolchain CreateToolchain(TargetArchitecture architecture);
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/// <summary>
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/// Determines whether this platform can build for the specified platform.
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/// </summary>
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/// <param name="platform">The platform.</param>
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/// <returns><c>true</c> if this platform can build the specified platform; otherwise, <c>false</c>.</returns>
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public virtual bool CanBuildPlatform(TargetPlatform platform)
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{
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return false;
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}
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/// <summary>
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/// Gets the path to the output file for the linker.
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/// </summary>
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/// <param name="name">The original library name.</param>
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/// <param name="output">The output file type.</param>
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/// <returns>The file name (including prefix, name and extension).</returns>
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public string GetLinkOutputFileName(string name, LinkerOutput output)
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{
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switch (output)
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{
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case LinkerOutput.Executable: return BinaryFilePrefix + name + ExecutableFileExtension;
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case LinkerOutput.SharedLibrary: return BinaryFilePrefix + name + SharedLibraryFileExtension;
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case LinkerOutput.StaticLibrary:
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case LinkerOutput.ImportLibrary: return BinaryFilePrefix + name + StaticLibraryFileExtension;
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default: throw new ArgumentOutOfRangeException(nameof(output), output, null);
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}
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}
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/// <summary>
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/// Creates the build toolchain for a given platform and architecture.
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/// </summary>
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/// <param name="targetPlatform">The target platform.</param>
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/// <param name="nullIfMissing">True if return null platform if it's missing, otherwise will invoke an exception.</param>
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/// <returns>The toolchain.</returns>
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public static Platform GetPlatform(TargetPlatform targetPlatform, bool nullIfMissing = false)
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{
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if (_platforms == null)
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{
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using (new ProfileEventScope("GetPlatforms"))
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_platforms = typeof(Platform).Assembly.GetTypes().Where(x => !x.IsAbstract && x.IsSubclassOf(typeof(Platform))).Select(Activator.CreateInstance).Cast<Platform>().ToArray();
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}
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foreach (var platform in _platforms)
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{
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if (platform.Target == targetPlatform)
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{
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return platform;
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}
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}
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if (nullIfMissing)
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return null;
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throw new Exception(string.Format("Platform {0} is not supported.", targetPlatform));
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}
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/// <summary>
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/// Creates the build toolchain for a given architecture.
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/// </summary>
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/// <param name="targetArchitecture">The target architecture.</param>
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/// <returns>The toolchain.</returns>
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public Toolchain GetToolchain(TargetArchitecture targetArchitecture)
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{
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if (!HasRequiredSDKsInstalled)
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throw new Exception(string.Format("Platform {0} has no required SDK installed and cannot be used.", Target));
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if (_toolchains == null)
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_toolchains = new Dictionary<TargetArchitecture, Toolchain>();
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var key = targetArchitecture;
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Toolchain toolchain;
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if (_toolchains.TryGetValue(key, out toolchain))
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{
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return toolchain;
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}
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toolchain = CreateToolchain(targetArchitecture);
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_toolchains.Add(key, toolchain);
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return toolchain;
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}
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/// <summary>
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/// Creates the project files generator for the specified project format.
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/// </summary>
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/// <param name="targetPlatform">The target platform.</param>
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/// <param name="targetArchitecture">The target architecture.</param>
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/// <returns>True if the given platform is supported, otherwise false.</returns>
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public static bool IsPlatformSupported(TargetPlatform targetPlatform, TargetArchitecture targetArchitecture)
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{
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if (targetArchitecture == TargetArchitecture.AnyCPU)
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return true;
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switch (targetPlatform)
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{
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case TargetPlatform.Windows: return targetArchitecture == TargetArchitecture.x64 || targetArchitecture == TargetArchitecture.x86;
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case TargetPlatform.XboxScarlett: return targetArchitecture == TargetArchitecture.x64;
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case TargetPlatform.XboxOne: return targetArchitecture == TargetArchitecture.x64;
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case TargetPlatform.UWP: return targetArchitecture == TargetArchitecture.x64;
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case TargetPlatform.Linux: return targetArchitecture == TargetArchitecture.x64;
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case TargetPlatform.PS4: return targetArchitecture == TargetArchitecture.x64;
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case TargetPlatform.Android: return targetArchitecture == TargetArchitecture.ARM64;
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default: return false;
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}
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}
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}
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}
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