private void RunInteractiveLoop(ScriptOptions options, string initialScriptCodeOpt, CancellationToken cancellationToken)
{
var globals = new InteractiveScriptGlobals(_console.Out, _objectFormatter);
globals.Args.AddRange(_compiler.Arguments.ScriptArguments);
ScriptState <object> state = null;
if (initialScriptCodeOpt != null)
{
var script = Script.CreateInitialScript <object>(_scriptCompiler, SourceText.From(initialScriptCodeOpt), options, globals.GetType(), assemblyLoaderOpt: null);
BuildAndRun(script, globals, ref state, ref options, displayResult: false, cancellationToken: cancellationToken);
}
while (true)
{
_console.Out.Write("> ");
var input = new StringBuilder();
string line;
bool cancelSubmission = false;
while (true)
{
line = _console.In.ReadLine();
if (line == null)
{
if (input.Length == 0)
{
return;
}
cancelSubmission = true;
break;
}
input.AppendLine(line);
var tree = _scriptCompiler.ParseSubmission(SourceText.From(input.ToString()), options.ParseOptions, cancellationToken);
if (_scriptCompiler.IsCompleteSubmission(tree))
{
break;
}
_console.Out.Write(". ");
}
if (cancelSubmission)
{
continue;
}
string code = input.ToString();
if (IsHelpCommand(code))
{
DisplayHelpText();
continue;
}
Script <object> newScript;
if (state == null)
{
newScript = Script.CreateInitialScript <object>(_scriptCompiler, SourceText.From(code ?? string.Empty), options, globals.GetType(), assemblyLoaderOpt: null);
}
else
{
newScript = state.Script.ContinueWith(code, options);
}
BuildAndRun(newScript, globals, ref state, ref options, displayResult: true, cancellationToken: cancellationToken);
}
}
private void RunInteractiveLoop(ScriptOptions options, CommandLineHostObject globals)
{
ScriptState <object> state = null;
var cancellationToken = globals.CancellationToken;
while (true)
{
_console.Out.Write("> ");
var input = new StringBuilder();
string line;
bool cancelSubmission = false;
while (true)
{
line = _console.In.ReadLine();
if (line == null)
{
if (input.Length == 0)
{
return;
}
cancelSubmission = true;
break;
}
input.AppendLine(line);
var tree = _scriptCompiler.ParseSubmission(SourceText.From(input.ToString()), cancellationToken);
if (_scriptCompiler.IsCompleteSubmission(tree))
{
break;
}
_console.Out.Write(". ");
}
if (cancelSubmission)
{
continue;
}
string code = input.ToString();
Script <object> newScript;
if (state == null)
{
newScript = Script.CreateInitialScript <object>(_scriptCompiler, code, options, globals.GetType(), assemblyLoaderOpt: null);
}
else
{
newScript = state.Script.ContinueWith(code, options);
}
var newCompilation = newScript.GetCompilation();
try
{
newScript.Build(cancellationToken);
// display warnings:
DisplayDiagnostics(newCompilation.GetDiagnostics(cancellationToken).Where(d => d.Severity == DiagnosticSeverity.Warning));
}
catch (CompilationErrorException e)
{
DisplayDiagnostics(e.Diagnostics.Where(d => d.Severity == DiagnosticSeverity.Error || d.Severity == DiagnosticSeverity.Warning));
continue;
}
try
{
var task = (state == null) ?
newScript.RunAsync(globals, cancellationToken) :
newScript.ContinueAsync(state, cancellationToken);
state = task.GetAwaiter().GetResult();
}
catch (Exception e)
{
DisplayException(e);
continue;
}
bool hasValue;
ITypeSymbol resultType = newCompilation.GetSubmissionResultType(out hasValue);
if (hasValue)
{
if (resultType != null && resultType.SpecialType == SpecialType.System_Void)
{
_console.Out.WriteLine(_objectFormatter.VoidDisplayString);
}
else
{
globals.Print(state.ReturnValue);
}
}
}
}
