public ScriptResult Execute(string code, string[] scriptArgs, AssemblyReferences references, IEnumerable<string> namespaces,
ScriptPackSession scriptPackSession)
{
Guard.AgainstNullArgument("references", references);
Guard.AgainstNullArgument("scriptPackSession", scriptPackSession);
references.PathReferences.UnionWith(scriptPackSession.References);
SessionState<Evaluator> sessionState;
if (!scriptPackSession.State.ContainsKey(SessionKey))
{
Logger.Debug("Creating session");
var context = new CompilerContext(new CompilerSettings
{
AssemblyReferences = references.PathReferences.ToList()
}, new ConsoleReportPrinter());
var evaluator = new Evaluator(context);
var allNamespaces = namespaces.Union(scriptPackSession.Namespaces).Distinct();
var host = _scriptHostFactory.CreateScriptHost(new ScriptPackManager(scriptPackSession.Contexts), scriptArgs);
MonoHost.SetHost((ScriptHost)host);
evaluator.ReferenceAssembly(typeof(MonoHost).Assembly);
evaluator.InteractiveBaseClass = typeof(MonoHost);
sessionState = new SessionState<Evaluator>
{
References = new AssemblyReferences(references.PathReferences, references.Assemblies),
Namespaces = new HashSet<string>(),
Session = evaluator
};
ImportNamespaces(allNamespaces, sessionState);
scriptPackSession.State[SessionKey] = sessionState;
}
else
{
Logger.Debug("Reusing existing session");
sessionState = (SessionState<Evaluator>)scriptPackSession.State[SessionKey];
var newReferences = sessionState.References == null ? references : references.Except(sessionState.References);
foreach (var reference in newReferences.PathReferences)
{
Logger.DebugFormat("Adding reference to {0}", reference);
sessionState.Session.LoadAssembly(reference);
}
sessionState.References = new AssemblyReferences(references.PathReferences, references.Assemblies);
var newNamespaces = sessionState.Namespaces == null ? namespaces : namespaces.Except(sessionState.Namespaces);
ImportNamespaces(newNamespaces, sessionState);
}
Logger.Debug("Starting execution");
var result = Execute(code, sessionState.Session);
Logger.Debug("Finished execution");
return result;
}
public ScriptResult Execute(string code, string[] scriptArgs, AssemblyReferences references, IEnumerable<string> namespaces, ScriptPackSession scriptPackSession)
{
if (scriptPackSession == null)
{
throw new ArgumentNullException("scriptPackSession");
}
if (references == null)
{
throw new ArgumentNullException("references");
}
_log.Debug("Starting to create execution components");
_log.Debug("Creating script host");
var executionReferences = new AssemblyReferences(references.Assemblies, references.Paths);
executionReferences.Union(scriptPackSession.References);
ScriptResult scriptResult;
SessionState<ScriptState> sessionState;
var isFirstExecution = !scriptPackSession.State.ContainsKey(SessionKey);
if (isFirstExecution)
{
var host = _scriptHostFactory.CreateScriptHost(
new ScriptPackManager(scriptPackSession.Contexts), scriptArgs);
ScriptLibraryWrapper.SetHost(host);
_log.Debug("Creating session");
var hostType = host.GetType();
ScriptOptions = ScriptOptions.AddReferences(hostType.Assembly);
var allNamespaces = namespaces.Union(scriptPackSession.Namespaces).Distinct();
foreach (var reference in executionReferences.Paths)
{
_log.DebugFormat("Adding reference to {0}", reference);
ScriptOptions = ScriptOptions.AddReferences(reference);
}
foreach (var assembly in executionReferences.Assemblies)
{
_log.DebugFormat("Adding reference to {0}", assembly.FullName);
ScriptOptions = ScriptOptions.AddReferences(assembly);
}
foreach (var @namespace in allNamespaces)
{
_log.DebugFormat("Importing namespace {0}", @namespace);
ScriptOptions = ScriptOptions.AddNamespaces(@namespace);
}
sessionState = new SessionState<ScriptState> { References = executionReferences, Namespaces = new HashSet<string>(allNamespaces) };
scriptPackSession.State[SessionKey] = sessionState;
scriptResult = Execute(code, host, sessionState);
}
else
{
_log.Debug("Reusing existing session");
sessionState = (SessionState<ScriptState>)scriptPackSession.State[SessionKey];
if (sessionState.References == null)
{
sessionState.References = new AssemblyReferences();
}
if (sessionState.Namespaces == null)
{
sessionState.Namespaces = new HashSet<string>();
}
var newReferences = executionReferences.Except(sessionState.References);
foreach (var reference in newReferences.Paths)
{
_log.DebugFormat("Adding reference to {0}", reference);
ScriptOptions = ScriptOptions.AddReferences(reference);
sessionState.References = sessionState.References.Union(new[] { reference });
}
foreach (var assembly in newReferences.Assemblies)
{
_log.DebugFormat("Adding reference to {0}", assembly.FullName);
ScriptOptions = ScriptOptions.AddReferences(assembly);
sessionState.References = sessionState.References.Union(new[] { assembly });
}
var newNamespaces = namespaces.Except(sessionState.Namespaces);
foreach (var @namespace in newNamespaces)
{
_log.DebugFormat("Importing namespace {0}", @namespace);
ScriptOptions = ScriptOptions.AddNamespaces(@namespace);
sessionState.Namespaces.Add(@namespace);
}
if (string.IsNullOrWhiteSpace(code))
{
return ScriptResult.Empty;
}
scriptResult = Execute(code, sessionState.Session, sessionState);
}
return scriptResult;
//todo handle namespace failures
//https://github.com/dotnet/roslyn/issues/1012
}
public ScriptResult Execute(string code, string[] scriptArgs, AssemblyReferences references, IEnumerable<string> namespaces,
ScriptPackSession scriptPackSession)
{
references.PathReferences.UnionWith(scriptPackSession.References);
SessionState<Evaluator> sessionState;
if (!scriptPackSession.State.ContainsKey(SessionKey))
{
Logger.Debug("Creating session");
var context = new CompilerContext(new CompilerSettings
{
AssemblyReferences = references.PathReferences.ToList()
}, new ConsoleReportPrinter());
var evaluator = new Evaluator(context);
var builder = new StringBuilder();
foreach (var ns in namespaces.Union(scriptPackSession.Namespaces).Distinct())
{
builder.AppendLine(string.Format("using {0};", ns));
}
evaluator.Compile(builder.ToString());
var parser = new SyntaxParser();
var parseResult = parser.Parse(code);
var host = _scriptHostFactory.CreateScriptHost(new ScriptPackManager(scriptPackSession.Contexts), scriptArgs);
MonoHost.SetHost((ScriptHost)host);
evaluator.ReferenceAssembly(typeof(MonoHost).Assembly);
evaluator.InteractiveBaseClass = typeof(MonoHost);
if (parseResult.Declarations != null)
{
evaluator.Compile(parseResult.Declarations);
code = null;
}
if (parseResult.Evaluations != null)
{
code = parseResult.Evaluations;
}
sessionState = new SessionState<Evaluator>
{
References = references,
Session = evaluator
};
scriptPackSession.State[SessionKey] = sessionState;
}
else
{
Logger.Debug("Reusing existing session");
sessionState = (SessionState<Evaluator>)scriptPackSession.State[SessionKey];
var newReferences = sessionState.References == null ? references : references.Except(sessionState.References);
foreach (var reference in newReferences.PathReferences)
{
Logger.DebugFormat("Adding reference to {0}", reference);
sessionState.Session.LoadAssembly(reference);
}
sessionState.References = newReferences;
var parser = new SyntaxParser();
var parseResult = parser.Parse(code);
if (parseResult.Declarations != null)
{
var compiledMethod = sessionState.Session.Compile(parseResult.Declarations);
return new ScriptResult();
//code = parseResult.Declarations;
}
//var newUsings = sessionState.References == null || !sessionState.References.Any() ? distinctReferences : distinctReferences.Except(sessionState.References);
}
Logger.Debug("Starting execution");
try
{
if (code != null)
{
object scriptResult;
bool resultSet;
var result = sessionState.Session.Evaluate(code, out scriptResult, out resultSet);
Logger.Debug("Finished execution");
return new ScriptResult { ReturnValue = scriptResult };
}
}
catch (Exception e)
{
Logger.Error(e.Message);
}
return new ScriptResult();
}
public ScriptResult Execute(string code, string[] scriptArgs, AssemblyReferences references, IEnumerable<string> namespaces, ScriptPackSession scriptPackSession)
{
Guard.AgainstNullArgument("scriptPackSession", scriptPackSession);
Guard.AgainstNullArgument("references", references);
Logger.Debug("Starting to create execution components");
Logger.Debug("Creating script host");
var executionReferences = new AssemblyReferences(references.PathReferences, references.Assemblies);
executionReferences.PathReferences.UnionWith(scriptPackSession.References);
SessionState<Session> sessionState;
if (!scriptPackSession.State.ContainsKey(SessionKey))
{
var host = _scriptHostFactory.CreateScriptHost(new ScriptPackManager(scriptPackSession.Contexts), scriptArgs);
Logger.Debug("Creating session");
var hostType = host.GetType();
ScriptEngine.AddReference(hostType.Assembly);
var session = ScriptEngine.CreateSession(host, hostType);
var allNamespaces = namespaces.Union(scriptPackSession.Namespaces).Distinct();
foreach (var reference in executionReferences.PathReferences)
{
Logger.DebugFormat("Adding reference to {0}", reference);
session.AddReference(reference);
}
foreach (var assembly in executionReferences.Assemblies)
{
Logger.DebugFormat("Adding reference to {0}", assembly.FullName);
session.AddReference(assembly);
}
foreach (var @namespace in allNamespaces)
{
Logger.DebugFormat("Importing namespace {0}", @namespace);
session.ImportNamespace(@namespace);
}
sessionState = new SessionState<Session> { References = executionReferences, Session = session, Namespaces = new HashSet<string>(allNamespaces) };
scriptPackSession.State[SessionKey] = sessionState;
}
else
{
Logger.Debug("Reusing existing session");
sessionState = (SessionState<Session>)scriptPackSession.State[SessionKey];
if (sessionState.References == null)
{
sessionState.References = new AssemblyReferences();
}
if (sessionState.Namespaces == null)
{
sessionState.Namespaces = new HashSet<string>();
}
var newReferences = executionReferences.Except(sessionState.References);
foreach (var reference in newReferences.PathReferences)
{
Logger.DebugFormat("Adding reference to {0}", reference);
sessionState.Session.AddReference(reference);
sessionState.References.PathReferences.Add(reference);
}
foreach (var assembly in newReferences.Assemblies)
{
Logger.DebugFormat("Adding reference to {0}", assembly.FullName);
sessionState.Session.AddReference(assembly);
sessionState.References.Assemblies.Add(assembly);
}
var newNamespaces = namespaces.Except(sessionState.Namespaces);
foreach (var @namespace in newNamespaces)
{
Logger.DebugFormat("Importing namespace {0}", @namespace);
sessionState.Session.ImportNamespace(@namespace);
sessionState.Namespaces.Add(@namespace);
}
}
Logger.Debug("Starting execution");
var result = Execute(code, sessionState.Session);
Logger.Debug("Finished execution");
return result;
}
public ScriptResult Execute(string code, string[] scriptArgs, AssemblyReferences references, IEnumerable<string> namespaces, ScriptPackSession scriptPackSession)
{
Guard.AgainstNullArgument("scriptPackSession", scriptPackSession);
Guard.AgainstNullArgument("references", references);
Logger.Debug("Starting to create execution components");
Logger.Debug("Creating script host");
var executionReferences = new AssemblyReferences(references.PathReferences, references.Assemblies);
executionReferences.PathReferences.UnionWith(scriptPackSession.References);
SessionState<Session> sessionState;
var isFirstExecution = !scriptPackSession.State.ContainsKey(SessionKey);
if (isFirstExecution)
{
code = code.DefineTrace();
var host = _scriptHostFactory.CreateScriptHost(new ScriptPackManager(scriptPackSession.Contexts), scriptArgs);
Logger.Debug("Creating session");
var hostType = host.GetType();
ScriptEngine.AddReference(hostType.Assembly);
var session = ScriptEngine.CreateSession(host, hostType);
var allNamespaces = namespaces.Union(scriptPackSession.Namespaces).Distinct();
foreach (var reference in executionReferences.PathReferences)
{
Logger.DebugFormat("Adding reference to {0}", reference);
session.AddReference(reference);
}
foreach (var assembly in executionReferences.Assemblies)
{
Logger.DebugFormat("Adding reference to {0}", assembly.FullName);
session.AddReference(assembly);
}
foreach (var @namespace in allNamespaces)
{
Logger.DebugFormat("Importing namespace {0}", @namespace);
session.ImportNamespace(@namespace);
}
sessionState = new SessionState<Session> { References = executionReferences, Session = session, Namespaces = new HashSet<string>(allNamespaces) };
scriptPackSession.State[SessionKey] = sessionState;
}
else
{
Logger.Debug("Reusing existing session");
sessionState = (SessionState<Session>)scriptPackSession.State[SessionKey];
if (sessionState.References == null)
{
sessionState.References = new AssemblyReferences();
}
if (sessionState.Namespaces == null)
{
sessionState.Namespaces = new HashSet<string>();
}
var newReferences = executionReferences.Except(sessionState.References);
foreach (var reference in newReferences.PathReferences)
{
Logger.DebugFormat("Adding reference to {0}", reference);
sessionState.Session.AddReference(reference);
sessionState.References.PathReferences.Add(reference);
}
foreach (var assembly in newReferences.Assemblies)
{
Logger.DebugFormat("Adding reference to {0}", assembly.FullName);
sessionState.Session.AddReference(assembly);
sessionState.References.Assemblies.Add(assembly);
}
var newNamespaces = namespaces.Except(sessionState.Namespaces);
foreach (var @namespace in newNamespaces)
{
Logger.DebugFormat("Importing namespace {0}", @namespace);
sessionState.Session.ImportNamespace(@namespace);
sessionState.Namespaces.Add(@namespace);
}
}
Logger.Debug("Starting execution");
var result = Execute(code, sessionState.Session);
if (result.InvalidNamespaces.Any())
{
var pendingNamespacesField = sessionState.Session.GetType().GetField("pendingNamespaces", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
if (pendingNamespacesField != null)
{
var pendingNamespacesValue = (ReadOnlyArray<string>)pendingNamespacesField.GetValue(sessionState.Session);
//no need to check this for null as ReadOnlyArray is a value type
if (pendingNamespacesValue.Any())
{
var fixedNamespaces = pendingNamespacesValue.ToList();
foreach (var @namespace in result.InvalidNamespaces)
{
sessionState.Namespaces.Remove(@namespace);
fixedNamespaces.Remove(@namespace);
}
pendingNamespacesField.SetValue(sessionState.Session, ReadOnlyArray<string>.CreateFrom<string>(fixedNamespaces));
}
}
}
Logger.Debug("Finished execution");
return result;
}
