private static void CompareAssemblyAgainstCSharp(string expectedCSharpCode, string asmFilePath)
{
var module = Utils.OpenModule(asmFilePath);
try
{
try { module.LoadPdb(); } catch { }
AstBuilder decompiler = new AstBuilder(DecompilerContext.CreateTestContext(module));
decompiler.AddAssembly(module, false, true, true);
new Helpers.RemoveCompilerAttribute().Run(decompiler.SyntaxTree);
StringWriter output = new StringWriter();
// the F# assembly contains a namespace `<StartupCode$tmp6D55>` where the part after tmp is randomly generated.
// remove this from the ast to simplify the diff
var startupCodeNode = decompiler.SyntaxTree.Children.OfType <NamespaceDeclaration>().SingleOrDefault(d => d.Name.StartsWith("<StartupCode$", StringComparison.Ordinal));
if (startupCodeNode != null)
{
startupCodeNode.Remove();
}
decompiler.GenerateCode(new PlainTextOutput(output));
var fullCSharpCode = output.ToString();
CodeAssert.AreEqual(expectedCSharpCode, output.ToString());
}
finally
{
File.Delete(asmFilePath);
File.Delete(Path.ChangeExtension(asmFilePath, ".pdb"));
}
}
void Run(string compiledFile, string expectedOutputFile)
{
string expectedOutput = File.ReadAllText(Path.Combine(path, expectedOutputFile));
var assembly = Utils.OpenModule(Path.Combine(path, compiledFile)).Assembly;
AstBuilder decompiler = new AstBuilder(DecompilerContext.CreateTestContext(assembly.ManifestModule));
decompiler.AddAssembly(assembly);
new Helpers.RemoveCompilerAttribute().Run(decompiler.SyntaxTree);
StringWriter output = new StringWriter();
decompiler.GenerateCode(new PlainTextOutput(output));
CodeAssert.AreEqual(expectedOutput, output.ToString());
}
protected static void AssertRoundtripCode(string fileName, bool optimize = false, bool useDebug = false, int compilerVersion = 4)
{
var code = RemoveIgnorableLines(File.ReadLines(fileName));
AssemblyDef assembly = CompileLegacy(code, optimize, useDebug, compilerVersion);
AstBuilder decompiler = new AstBuilder(DecompilerContext.CreateTestContext(assembly.ManifestModule));
decompiler.AddAssembly(assembly);
new Helpers.RemoveCompilerAttribute().Run(decompiler.SyntaxTree);
StringWriter output = new StringWriter();
decompiler.GenerateCode(new PlainTextOutput(output));
CodeAssert.AreEqual(code, output.ToString());
}