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93 lines
3.6 KiB
93 lines
3.6 KiB
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
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// software and associated documentation files (the "Software"), to deal in the Software
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// without restriction, including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
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// to whom the Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all copies or
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// substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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using System.CodeDom.Compiler;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using ICSharpCode.Decompiler.Ast;
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using ICSharpCode.Decompiler.Tests.Helpers;
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using Microsoft.CSharp;
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using Mono.Cecil;
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using NUnit.Framework;
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using ICSharpCode.Decompiler.CSharp;
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using ICSharpCode.NRefactory.CSharp;
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namespace ICSharpCode.Decompiler.Tests
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{
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public abstract class DecompilerTestBase
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{
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protected static void ValidateFileRoundtrip(string samplesFileName)
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{
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var fullPath = Path.Combine(@"../../Tests", samplesFileName);
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AssertRoundtripCode(fullPath);
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}
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static string RemoveIgnorableLines(IEnumerable<string> lines)
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{
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return CodeSampleFileParser.ConcatLines(lines.Where(l => !CodeSampleFileParser.IsCommentOrBlank(l)));
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}
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protected static void AssertRoundtripCode(string fileName, bool optimize = false, bool useDebug = false, int compilerVersion = 4)
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{
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var code = RemoveIgnorableLines(File.ReadLines(fileName));
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AssemblyDefinition assembly = CompileLegacy(code, optimize, useDebug, compilerVersion);
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CSharpDecompiler decompiler = new CSharpDecompiler(assembly.MainModule, new DecompilerSettings());
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decompiler.AstTransforms.Insert(0, new RemoveCompilerAttribute());
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var syntaxTree = decompiler.DecompileWholeModuleAsSingleFile();
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var options = FormattingOptionsFactory.CreateAllman();
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options.IndentSwitchBody = false;
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CodeAssert.AreEqual(code, syntaxTree.ToString(options));
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}
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protected static AssemblyDefinition CompileLegacy(string code, bool optimize, bool useDebug, int compilerVersion)
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{
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CSharpCodeProvider provider = new CSharpCodeProvider(new Dictionary<string, string> { { "CompilerVersion", "v" + new Version(compilerVersion, 0) } });
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CompilerParameters options = new CompilerParameters();
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options.CompilerOptions = "/unsafe /o" + (optimize ? "+" : "-") + (useDebug ? " /debug" : "");
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if (compilerVersion >= 4)
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options.ReferencedAssemblies.Add("System.Core.dll");
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CompilerResults results = provider.CompileAssemblyFromSource(options, code);
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try
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{
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if (results.Errors.Cast<CompilerError>().Any((arg) => !arg.IsWarning))
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{
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StringBuilder b = new StringBuilder("Compiler error:");
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foreach (var error in results.Errors)
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{
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b.AppendLine(error.ToString());
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}
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throw new Exception(b.ToString());
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}
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return AssemblyDefinition.ReadAssembly(results.PathToAssembly);
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}
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finally
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{
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File.Delete(results.PathToAssembly);
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results.TempFiles.Delete();
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}
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}
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}
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}
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