public static PreparedCompilation CreateCompilation(string assemblyName, IEnumerable <ISourceFile> sourceFiles, IEnumerable <IAssemblyReference> references, IList <string> defineConstants, IEnumerable <IAssemblyResource> resources) { IProjectContent project = new CSharpProjectContent().SetAssemblyName(assemblyName); var files = sourceFiles.Select(f => { using (var rdr = f.Open()) { var syntaxTree = CreateParser(defineConstants).Parse(rdr, f.Filename); var expandResult = new QueryExpressionExpander().ExpandQueryExpressions(syntaxTree); syntaxTree = (expandResult != null ? (SyntaxTree)expandResult.AstNode : syntaxTree); return(new ParsedSourceFile(syntaxTree, new CSharpUnresolvedFile { FileName = f.Filename })); } }).ToList(); foreach (var f in files) { var tcv = new TypeSystemConvertVisitor(f.ParsedFile); f.SyntaxTree.AcceptVisitor(tcv); project = project.AddOrUpdateFiles(f.ParsedFile); } project = project.AddAssemblyReferences(references); if (resources != null) { var reslist = resources.ToList(); if (reslist.Count > 0) { project = project.AddResources(reslist); } } return(new PreparedCompilation(project.CreateCompilation(), files)); }