// Copyright Keysight Technologies 2012-2019
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at http://mozilla.org/MPL/2.0/.
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.CSharp;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.IO;
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using System.Reflection;
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namespace OpenTap.Engine.UnitTests
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{
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using SF = SyntaxFactory;
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class CodeGen
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{
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public class Result
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{
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public byte[] Bytes;
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public bool Success;
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public string Log;
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Assembly assembly;
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public Assembly GetAssembly(){
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if(assembly == null){
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assembly = Assembly.Load(Bytes);
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}
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return assembly;
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}
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}
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public static Result BuildCode(string code, string moduleName, string strongNameKeyFile = null){
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var metadataref = new List<MetadataReference> { };
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// Detect the file location for the library that defines the object type
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var systemRefLocation=typeof(object).GetTypeInfo().Assembly.Location;
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// Create a reference to the library
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var systemReference = MetadataReference.CreateFromFile(systemRefLocation);
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var md = new HashSet<Assembly> { typeof(int).Assembly, typeof(ITestStep).Assembly};
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try
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{
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var asm = Assembly.Load("netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51");
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md.Add(asm);
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}
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catch { }
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try
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{
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var asm = Assembly.Load("mscorlib");
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md.Add(asm);
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}
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catch { }
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try
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{
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var asm = Assembly.Load("System");
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md.Add(asm);
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}
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catch { }
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try
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{
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var asm = Assembly.Load("System.Core");
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md.Add(asm);
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}
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catch { }
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try
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{
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var asm = Assembly.Load("System.Runtime");
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md.Add(asm);
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}
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catch { }
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try
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{
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var asm = Assembly.Load("System.Collections");
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md.Add(asm);
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}
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catch { }
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try
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{
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var asm = Assembly.Load("System.ComponentModel.TypeConverter");
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md.Add(asm);
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}
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catch { }
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try
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{
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var asm = Assembly.Load("System.ObjectModel");
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md.Add(asm);
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}
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catch { }
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try
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{
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var asm = Assembly.Load("Microsoft.CSharp");
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md.Add(asm);
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}
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catch { }
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md.Add(Assembly.GetEntryAssembly());
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foreach (var path in md)
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{
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if(path == null) continue;
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var r = MetadataReference.CreateFromFile(path.Location);
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metadataref.Add(r);
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}
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var options = new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary, true, platform: Platform.AnyCpu, assemblyIdentityComparer: DesktopAssemblyIdentityComparer.Default)
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.WithReportSuppressedDiagnostics(true);
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if (strongNameKeyFile != null)
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{
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options = options.WithStrongNameProvider(new DesktopStrongNameProvider(ImmutableArray.Create(Path.GetDirectoryName(Path.GetFullPath(strongNameKeyFile)))))
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.WithCryptoKeyFile(Path.GetFileName(strongNameKeyFile));
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}
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CSharpCompilation compilation = CSharpCompilation.Create(moduleName,
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syntaxTrees: new[] { SF.ParseSyntaxTree(code) },
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references: metadataref,
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options: options
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);
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using(var ms = new MemoryStream()){
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var result= compilation.Emit(ms);
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return new Result{Success = result.Success, Bytes = ms.ToArray(), Log = string.Join("\n", result.Diagnostics)};
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}
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}
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}
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}
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