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Program.cs
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Program.cs
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// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using Microsoft.DotNet.Cli.CommandLine;
using Microsoft.DotNet.Cli.Compiler.Common;
using Microsoft.DotNet.Cli.Utils;
using Microsoft.DotNet.ProjectModel;
using Microsoft.DotNet.ProjectModel.Resolution;
using NuGet.Configuration;
namespace Microsoft.DotNet.Tools.Compiler.Fsc
{
public class CompileFscCommand
{
private const int ExitFailed = 1;
public static int Main(string[] args)
{
DebugHelper.HandleDebugSwitch(ref args);
CommandLineApplication app = new CommandLineApplication();
app.Name = "dotnet compile-fsc";
app.FullName = ".NET F# Compiler";
app.Description = "F# Compiler for the .NET Platform";
app.HandleResponseFiles = true;
app.HelpOption("-h|--help");
CommonCompilerOptionsCommandLine commonCompilerCommandLine = CommonCompilerOptionsCommandLine.AddOptions(app);
AssemblyInfoOptionsCommandLine assemblyInfoCommandLine = AssemblyInfoOptionsCommandLine.AddOptions(app);
CommandOption tempOutputOption = app.Option("--temp-output <arg>", "Compilation temporary directory", CommandOptionType.SingleValue);
CommandOption outputNameOption = app.Option("--out <arg>", "Name of the output assembly", CommandOptionType.SingleValue);
CommandOption referencesOption = app.Option("--reference <arg>...", "Path to a compiler metadata reference", CommandOptionType.MultipleValue);
CommandOption resourcesOption = app.Option("--resource <arg>...", "Resources to embed", CommandOptionType.MultipleValue);
CommandArgument sourcesArgument = app.Argument("<source-files>...", "Compilation sources", multipleValues: true);
app.OnExecute(() =>
{
if (!tempOutputOption.HasValue())
{
Reporter.Error.WriteLine("Option '--temp-output' is required");
return ExitFailed;
}
CommonCompilerOptions commonOptions = commonCompilerCommandLine.GetOptionValues();
AssemblyInfoOptions assemblyInfoOptions = assemblyInfoCommandLine.GetOptionValues();
// TODO less hacky
bool targetNetCore =
commonOptions.Defines.Contains("DNXCORE50") ||
commonOptions.Defines.Where(d => d.StartsWith("NETSTANDARDAPP1_")).Any() ||
commonOptions.Defines.Where(d => d.StartsWith("NETCOREAPP1_")).Any() ||
commonOptions.Defines.Where(d => d.StartsWith("NETSTANDARD1_")).Any();
// Get FSC Path upfront to use it for win32manifest path
string tempOutDir = tempOutputOption.Value();
var fscCommandSpec = ResolveFsc(null, tempOutDir);
var fscExeFile = fscCommandSpec.FscExeFile;
var fscExeDir = fscCommandSpec.FscExeDir;
// FSC arguments
var allArgs = new List<string>();
//HACK fsc raise error FS0208 if target exe doesnt have extension .exe
bool hackFS0208 = targetNetCore && commonOptions.EmitEntryPoint == true;
string outputName = outputNameOption.Value();
var originalOutputName = outputName;
if (outputName != null)
{
if (hackFS0208)
{
outputName = Path.ChangeExtension(outputName, ".exe");
}
allArgs.Add($"--out:{outputName}");
}
//let's pass debugging type only if options.DebugType is specified, until
//portablepdb are confirmed to work.
//so it's possibile to test portable pdb without breaking existing build
if (string.IsNullOrEmpty(commonOptions.DebugType))
{
//debug info (only windows pdb supported, not portablepdb)
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
allArgs.Add("--debug");
//TODO check if full or pdbonly
allArgs.Add("--debug:pdbonly");
}
else
allArgs.Add("--debug-");
}
else
{
allArgs.Add("--debug");
allArgs.Add($"--debug:{commonOptions.DebugType}");
}
// Default options
allArgs.Add("--noframework");
allArgs.Add("--nologo");
allArgs.Add("--simpleresolution");
allArgs.Add("--nocopyfsharpcore");
// project.json compilationOptions
if (commonOptions.Defines != null)
{
allArgs.AddRange(commonOptions.Defines.Select(def => $"--define:{def}"));
}
if (commonOptions.GenerateXmlDocumentation == true)
{
allArgs.Add($"--doc:{Path.ChangeExtension(outputName, "xml")}");
}
if (commonOptions.KeyFile != null)
{
allArgs.Add($"--keyfile:{commonOptions.KeyFile}");
}
if (commonOptions.Optimize == true)
{
allArgs.Add("--optimize+");
}
//--resource doesnt expect "
//bad: --resource:"path/to/file",name
//ok: --resource:path/to/file,name
allArgs.AddRange(resourcesOption.Values.Select(resource => $"--resource:{resource.Replace("\"", "")}"));
allArgs.AddRange(referencesOption.Values.Select(r => $"-r:{r}"));
if (commonOptions.EmitEntryPoint != true)
{
allArgs.Add("--target:library");
}
else
{
allArgs.Add("--target:exe");
//HACK we need default.win32manifest for exe
var win32manifestPath = Path.Combine(fscExeDir, "..", "..", "runtimes", "any", "native", "default.win32manifest");
allArgs.Add($"--win32manifest:{win32manifestPath}");
}
if (commonOptions.SuppressWarnings != null && commonOptions.SuppressWarnings.Any())
{
allArgs.Add("--nowarn:" + string.Join(",", commonOptions.SuppressWarnings.ToArray()));
}
if (commonOptions.LanguageVersion != null)
{
// Not used in fsc
}
if (commonOptions.Platform != null)
{
allArgs.Add($"--platform:{commonOptions.Platform}");
}
if (commonOptions.AllowUnsafe == true)
{
}
if (commonOptions.WarningsAsErrors == true)
{
allArgs.Add("--warnaserror");
}
//set target framework
if (targetNetCore)
{
allArgs.Add("--targetprofile:netcore");
}
if (commonOptions.DelaySign == true)
{
allArgs.Add("--delaysign+");
}
if (commonOptions.PublicSign == true)
{
}
if (commonOptions.AdditionalArguments != null)
{
// Additional arguments are added verbatim
allArgs.AddRange(commonOptions.AdditionalArguments);
}
// Generate assembly info
var assemblyInfo = Path.Combine(tempOutDir, $"dotnet-compile.assemblyinfo.fs");
File.WriteAllText(assemblyInfo, AssemblyInfoFileGenerator.GenerateFSharp(assemblyInfoOptions));
//source files + assemblyInfo
allArgs.AddRange(GetSourceFiles(sourcesArgument.Values, assemblyInfo).ToArray());
//TODO check the switch enabled in fsproj in RELEASE and DEBUG configuration
var rsp = Path.Combine(tempOutDir, "dotnet-compile-fsc.rsp");
File.WriteAllLines(rsp, allArgs, Encoding.UTF8);
// Execute FSC!
var result = RunFsc(new List<string> { $"@{rsp}" }, tempOutDir)
.ForwardStdErr()
.ForwardStdOut()
.Execute();
bool successFsc = result.ExitCode == 0;
if (hackFS0208 && File.Exists(outputName))
{
if (File.Exists(originalOutputName))
File.Delete(originalOutputName);
File.Move(outputName, originalOutputName);
}
//HACK dotnet build require a pdb (crash without), fsc atm cant generate a portable pdb, so an empty pdb is created
string pdbPath = Path.ChangeExtension(outputName, ".pdb");
if (successFsc && !File.Exists(pdbPath))
{
File.WriteAllBytes(pdbPath, Array.Empty<byte>());
}
return result.ExitCode;
});
try
{
return app.Execute(args);
}
catch (Exception ex)
{
#if DEBUG
Reporter.Error.WriteLine(ex.ToString());
#else
Reporter.Error.WriteLine(ex.Message);
#endif
return ExitFailed;
}
}
// The assembly info must be in the last minus 1 position because:
// - assemblyInfo should be in the end to override attributes
// - assemblyInfo cannot be in the last position, because last file contains the main
private static IEnumerable<string> GetSourceFiles(IReadOnlyList<string> sourceFiles, string assemblyInfo)
{
if (!sourceFiles.Any())
{
yield return assemblyInfo;
yield break;
}
foreach (var s in sourceFiles.Take(sourceFiles.Count() - 1))
yield return s;
yield return assemblyInfo;
yield return sourceFiles.Last();
}
private static Command RunFsc(List<string> fscArgs, string temp)
{
var fscEnvExe = Environment.GetEnvironmentVariable("DOTNET_FSC_PATH");
var exec = Environment.GetEnvironmentVariable("DOTNET_FSC_EXEC")?.ToUpper() ?? "COREHOST";
var muxer = new Muxer();
if (fscEnvExe != null)
{
switch (exec)
{
case "RUN":
return Command.Create(fscEnvExe, fscArgs.ToArray());
case "COREHOST":
default:
var host = muxer.MuxerPath;
return Command.Create(host, new[] { fscEnvExe }.Concat(fscArgs).ToArray());
}
}
else
{
var fscCommandSpec = ResolveFsc(fscArgs, temp)?.Spec;
return Command.Create(fscCommandSpec);
}
}
private static FscCommandSpec ResolveFsc(List<string> fscArgs, string temp)
{
var nugetPackagesRoot = NuGetPathContext.Create(Directory.GetCurrentDirectory())?.UserPackageFolder;
var depsFile = Path.Combine(AppContext.BaseDirectory, "dotnet-compile-fsc" + FileNameSuffixes.DepsJson);
var depsJsonCommandResolver = new DepsJsonCommandResolver(nugetPackagesRoot);
var dependencyContext = depsJsonCommandResolver.LoadDependencyContextFromFile(depsFile);
var fscPath = depsJsonCommandResolver.GetCommandPathFromDependencyContext("fsc", dependencyContext);
var commandResolverArgs = new CommandResolverArguments()
{
CommandName = "fsc",
CommandArguments = fscArgs,
DepsJsonFile = depsFile
};
var fscCommandSpec = depsJsonCommandResolver.Resolve(commandResolverArgs);
var runtimeConfigFile = Path.Combine(
Path.GetDirectoryName(typeof(CompileFscCommand).GetTypeInfo().Assembly.Location)
, "dotnet-compile-fsc" + FileNameSuffixes.RuntimeConfigJson);
CopyRuntimeConfigForFscExe(runtimeConfigFile, "fsc", depsFile, nugetPackagesRoot, fscPath);
return new FscCommandSpec
{
Spec = fscCommandSpec,
FscExeDir = Path.GetDirectoryName(fscPath),
FscExeFile = fscPath
};
}
private static void CopyRuntimeConfigForFscExe(
string runtimeConfigFile,
string commandName,
string depsJsonFile,
string nugetPackagesRoot,
string fscPath)
{
var newFscRuntimeConfigDir = Path.GetDirectoryName(fscPath);
var newFscRuntimeConfigFile = Path.Combine(
newFscRuntimeConfigDir,
Path.GetFileNameWithoutExtension(fscPath) + FileNameSuffixes.RuntimeConfigJson);
try
{
File.Copy(runtimeConfigFile, newFscRuntimeConfigFile, true);
}
catch(Exception e)
{
Reporter.Error.WriteLine("Failed to copy fsc runtimeconfig.json");
throw e;
}
}
private class FscCommandSpec
{
public CommandSpec Spec { get; set; }
public string FscExeDir { get; set; }
public string FscExeFile { get; set; }
}
}
}