1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using ICSharpCode.Decompiler.Ast;
using ICSharpCode.Decompiler.Tests.Helpers;
using Microsoft.CSharp;
using Mono.Cecil;
using NUnit.Framework;
namespace ICSharpCode.Decompiler.Tests
{
public abstract class DecompilerTestBase
{
protected static void ValidateFileRoundtrip(string samplesFileName)
{
var fullPath = Path.Combine(@"..\..\Tests", samplesFileName);
AssertRoundtripCode(fullPath);
}
static string RemoveIgnorableLines(IEnumerable<string> lines)
{
return CodeSampleFileParser.ConcatLines(lines.Where(l => !CodeSampleFileParser.IsCommentOrBlank(l)));
}
protected static void AssertRoundtripCode(string fileName, bool optimize = false, bool useDebug = false, int compilerVersion = 4)
{
var code = RemoveIgnorableLines(File.ReadLines(fileName));
AssemblyDefinition assembly = CompileLegacy(code, optimize, useDebug, compilerVersion);
AstBuilder decompiler = new AstBuilder(new DecompilerContext(assembly.MainModule));
decompiler.AddAssembly(assembly);
new Helpers.RemoveCompilerAttribute().Run(decompiler.SyntaxTree);
StringWriter output = new StringWriter();
decompiler.GenerateCode(new PlainTextOutput(output));
CodeAssert.AreEqual(code, output.ToString());
}
protected static AssemblyDefinition CompileLegacy(string code, bool optimize, bool useDebug, int compilerVersion)
{
CSharpCodeProvider provider = new CSharpCodeProvider(new Dictionary<string, string> { { "CompilerVersion", "v" + new Version(compilerVersion, 0) } });
CompilerParameters options = new CompilerParameters();
options.CompilerOptions = "/unsafe /o" + (optimize ? "+" : "-") + (useDebug ? " /debug" : "");
if (compilerVersion >= 4)
options.ReferencedAssemblies.Add("System.Core.dll");
CompilerResults results = provider.CompileAssemblyFromSource(options, code);
try
{
if (results.Errors.Count > 0)
{
StringBuilder b = new StringBuilder("Compiler error:");
foreach (var error in results.Errors)
{
b.AppendLine(error.ToString());
}
throw new Exception(b.ToString());
}
return AssemblyDefinition.ReadAssembly(results.PathToAssembly);
}
finally
{
File.Delete(results.PathToAssembly);
results.TempFiles.Delete();
}
}
}
}
|
