/// <summary>
/// Tries to compile a snippet of code and search a type in it.
/// </summary>
/// <param name="code">The code.</param>
/// <param name="type">The type.</param>
/// <returns>A compile result.</returns>
public static CompileResultContainer TryCompileAndSearchType(string code)
{
CompileResultContainer compileResult = new CompileResultContainer();
string typeName = DetermineFirstClassName(code);
if (string.IsNullOrEmpty(typeName))
{
compileResult.ErrorMessages.Add("Could not determine a class name from given snippet.");
}
// Create the syntax tree
SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText("\n" + code);
// Set up references to required assemblies, here we use mscorelib, System and of cource Fancy.SchemaFormBuilder
MetadataReference[] references =
{
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(typeof(IEnumerable).Assembly.Location),
MetadataReference.CreateFromFile(typeof(List <>).Assembly.Location),
MetadataReference.CreateFromFile(typeof(FormDisplayAttribute).Assembly.Location)
};
string assemblyName = Guid.NewGuid().ToString();
// Create compilation object
CSharpCompilation compilation = CSharpCompilation.Create(
assemblyName, new[] { syntaxTree }, references, new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
using (var ms = new MemoryStream())
{
// Emit code
EmitResult emitResult = compilation.Emit(ms);
if (!emitResult.Success)
{
IEnumerable <Diagnostic> failures = emitResult.Diagnostics.Where(diagnostic => diagnostic.IsWarningAsError || diagnostic.Severity == DiagnosticSeverity.Error);
foreach (Diagnostic diagnostic in failures)
{
compileResult.ErrorMessages.Add(string.Format("Error {0}: {1} - Line:{2}", diagnostic.Id, diagnostic.GetMessage(), diagnostic.Location.GetLineSpan().StartLinePosition));
}
}
else
{
ms.Seek(0, SeekOrigin.Begin);
byte[] assemblyBuffer = ms.ToArray();
compileResult.LoadAssemblyAndType(assemblyBuffer, typeName, assemblyName);
}
}
return(compileResult);
}
/// <summary>
/// Tries to compile a snippet of code and search a type in it.
/// </summary>
/// <param name="code">The code.</param>
/// <param name="type">The type.</param>
/// <returns>A compile result.</returns>
public static CompileResultContainer TryCompileAndSearchType(string code)
{
CompileResultContainer compileResult = new CompileResultContainer();
string typeName = DetermineFirstClassName(code);
if (string.IsNullOrEmpty(typeName))
{
compileResult.ErrorMessages.Add("Could not determine a class name from given snippet.");
}
// Create the syntax tree
SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText("\n" + code);
// Set up references to required assemblies, here we use mscorelib, System and of cource Fancy.SchemaFormBuilder
MetadataReference[] references = {
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(typeof(IEnumerable).Assembly.Location),
MetadataReference.CreateFromFile(typeof(List<>).Assembly.Location),
MetadataReference.CreateFromFile(typeof(FormDisplayAttribute).Assembly.Location)
};
string assemblyName = Guid.NewGuid().ToString();
// Create compilation object
CSharpCompilation compilation = CSharpCompilation.Create(
assemblyName, new[] { syntaxTree }, references, new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
using (var ms = new MemoryStream())
{
// Emit code
EmitResult emitResult = compilation.Emit(ms);
if (!emitResult.Success)
{
IEnumerable<Diagnostic> failures = emitResult.Diagnostics.Where(diagnostic => diagnostic.IsWarningAsError || diagnostic.Severity == DiagnosticSeverity.Error);
foreach (Diagnostic diagnostic in failures)
{
compileResult.ErrorMessages.Add(string.Format("Error {0}: {1} - Line:{2}", diagnostic.Id, diagnostic.GetMessage(), diagnostic.Location.GetLineSpan().StartLinePosition));
}
}
else
{
ms.Seek(0, SeekOrigin.Begin);
byte[] assemblyBuffer = ms.ToArray();
compileResult.LoadAssemblyAndType(assemblyBuffer, typeName, assemblyName);
}
}
return compileResult;
}
