public ActionResult TestCode()
{
TestCodeViewModel vm = new TestCodeViewModel();
vm.TheCode = @"using System;
using System.IO;
//Add any additional libraries you may need
namespace Cts
{
public class Program
{
public void Run()
{
Console.WriteLine(""Hello World!"");
string input = Console.ReadLine();
Console.WriteLine(""Got this input: "" + input);
string input2 = Console.ReadLine();
Console.WriteLine(""Got this input second: "" + input2);
}
}
}";
vm.CurrentWord = "Console";
return(View(vm));
}
public ActionResult TestCode(TestCodeViewModel vm)
{
//List<String> list = Intelliscents.ShowMethods(vm.CurrentWord);
//vm.Suggestions = list;
CSharpRunner runner = new CSharpRunner();
//TEMP Commented out
vm.AddTestCases();
//string[] input = new string[] { "Test CTS", "Hello World", "Output 3" };
//TEMP Commented Out
vm = runner.RunCSharp(vm);
return(View(vm));
}
public TestCodeViewModel RunCSharp(TestCodeViewModel vm)
{
SyntaxTree tree = CSharpSyntaxTree.ParseText(vm.TheCode);
// find out where all those sweet .dlls live
string assemblyPath = Path.GetDirectoryName(typeof(object).Assembly.Location);
// references to add to the assembly
MetadataReference[] references = new MetadataReference[]
{
MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "mscorlib.dll")),
MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "System.dll")),
MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "System.Core.dll")),
MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "System.IO.dll")),
MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "System.Runtime.dll"))
};
// set up compiler
CSharpCompilation csc = CSharpCompilation.Create("Cts"
, new[] { tree }
, references
, new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary));
using (var ms = new MemoryStream())
{
// attempt compilation
EmitResult result = csc.Emit(ms);
if (!result.Success)
{
//compilation failed
IEnumerable <Diagnostic> failures = result.Diagnostics.Where(diagnostic =>
diagnostic.IsWarningAsError ||
diagnostic.Severity == DiagnosticSeverity.Error);
foreach (Diagnostic diagnostic in failures)
{
string sPattern = @"\((\d+),";
var lineNumber = int.Parse((Regex.Match(diagnostic.ToString(), sPattern)).Groups[1].Value);
CodeError error = new CodeError(lineNumber, diagnostic.Id, diagnostic.GetMessage());
vm.AddError(error);
vm.ErrorMessage += "Line: " + error.LineNumber + "\nID: " + error.ID + "\nMessage: " + error.Message + "\n\n";
}
return(vm);
}
else
{
//compilation succeeded!
ms.Seek(0, SeekOrigin.Begin);
Assembly assembly = Assembly.Load(ms.ToArray());
TextWriter StandardOut = Console.Out;
TextReader StandardIn = Console.In;
Type type = assembly.GetType("Cts.Program");
object obj = Activator.CreateInstance(type);
//iterate over inputs
for (int testCaseNumber = 0; testCaseNumber < vm.TestCases.Count; testCaseNumber++)
{
MemoryStream mem = new MemoryStream(1000);
StreamWriter writer = new StreamWriter(mem);
Console.SetOut(writer);
TextReader r = new StringReader(vm.TestCases[testCaseNumber].Input);
Console.SetIn(r);
//TODO: verify that the method exists before invoking it, and throw appropriate error if it's missing
// sample code here: http://stackoverflow.com/questions/14479074/c-sharp-reflection-load-assembly-and-invoke-a-method-if-it-exists
type.InvokeMember("Run"
, BindingFlags.Default | BindingFlags.InvokeMethod
, null
, obj
, null);
r.Close();
writer.Close();
string s = Encoding.Default.GetString(mem.ToArray());
mem.Close();
vm.TestCases[testCaseNumber].ActualOutput = s;
}
Console.SetOut(StandardOut);
Console.SetIn(StandardIn);
return(vm);
}
}
}
