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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using Mono.Linker.Tests.Extensions;
using NUnit.Framework;
namespace Mono.Linker.Tests.TestCasesRunner {
public class ILCompiler {
private readonly string _ilasmExecutable;
public ILCompiler ()
{
_ilasmExecutable = LocateIlasm ().ToString ();
}
public ILCompiler (string ilasmExecutable)
{
_ilasmExecutable = ilasmExecutable;
}
public NPath Compile (CompilerOptions options)
{
var capturedOutput = new List<string> ();
var process = new Process ();
SetupProcess (process, options);
process.StartInfo.RedirectStandardOutput = true;
process.OutputDataReceived += (sender, args) => capturedOutput.Add (args.Data);
process.Start ();
process.BeginOutputReadLine ();
process.WaitForExit ();
if (process.ExitCode != 0)
{
Assert.Fail($"Failed to compile IL assembly : {options.OutputPath}\n{capturedOutput.Aggregate ((buff, s) => buff + Environment.NewLine + s)}");
}
return options.OutputPath;
}
protected virtual void SetupProcess (Process process, CompilerOptions options)
{
process.StartInfo.FileName = _ilasmExecutable;
process.StartInfo.Arguments = BuildArguments (options);
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
}
private string BuildArguments (CompilerOptions options)
{
var args = new StringBuilder();
#if ILLINK
args.Append(options.OutputPath.ExtensionWithDot == ".dll" ? "-dll" : "-exe");
args.Append($" -out:{options.OutputPath.InQuotes ()}");
#else
args.Append(options.OutputPath.ExtensionWithDot == ".dll" ? "/dll" : "/exe");
args.Append($" /out:{options.OutputPath.InQuotes ()}");
#endif
args.Append($" {options.SourceFiles.Aggregate (string.Empty, (buff, file) => $"{buff} {file.InQuotes ()}")}");
return args.ToString ();
}
public static NPath LocateIlasm ()
{
#if ILLINK
var extension = RuntimeInformation.IsOSPlatform (OSPlatform.Windows) ? ".exe" : "";
#if ARCADE
// working directory is artifacts/bin/Mono.Linker.Tests/<config>/<tfm>
var toolsDir = Path.Combine (Directory.GetCurrentDirectory (), "..", "..", "..", "..", "tools");
#else
// working directory is test/Mono.Linker.Tests/bin/<config>/<tfm>
var toolsDir = Path.Combine (Directory.GetCurrentDirectory (), "..", "..", "..", "obj", "tools");
#endif // ARCADE
var ilasmPath = Path.GetFullPath (Path.Combine (toolsDir, "ilasm", $"ilasm{extension}")).ToNPath ();
if (ilasmPath.FileExists ())
return ilasmPath;
throw new InvalidOperationException ("ilasm not found at " + ilasmPath);
#else
return Environment.OSVersion.Platform == PlatformID.Win32NT ? LocateIlasmOnWindows () : "ilasm".ToNPath ();
#endif
}
public static NPath LocateIlasmOnWindows ()
{
if (Environment.OSVersion.Platform != PlatformID.Win32NT)
throw new InvalidOperationException ("This method should only be called on windows");
var possiblePath = RuntimeEnvironment.GetRuntimeDirectory ().ToNPath ().Combine ("ilasm.exe");
if (possiblePath.FileExists ())
return possiblePath;
throw new InvalidOperationException ("Could not locate a ilasm.exe executable");
}
}
}
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