/// <summary>
/// csi.exe and vbi.exe entry point.
/// </summary>
private int RunInteractiveCore(ErrorLogger errorLogger)
{
Debug.Assert(_compiler.Arguments.IsInteractive);
var sourceFiles = _compiler.Arguments.SourceFiles;
if (sourceFiles.IsEmpty && _compiler.Arguments.DisplayLogo)
{
_compiler.PrintLogo(_console.Out);
}
if (_compiler.Arguments.DisplayHelp)
{
_compiler.PrintHelp(_console.Out);
return(0);
}
SourceText code = null;
IEnumerable <Diagnostic> errors = _compiler.Arguments.Errors;
if (!sourceFiles.IsEmpty)
{
if (sourceFiles.Length > 1 || !sourceFiles[0].IsScript)
{
errors = errors.Concat(new[] { Diagnostic.Create(_compiler.MessageProvider, _compiler.MessageProvider.ERR_ExpectedSingleScript) });
}
else
{
var diagnostics = new List <DiagnosticInfo>();
code = _compiler.ReadFileContent(sourceFiles[0], diagnostics);
errors = errors.Concat(diagnostics.Select(Diagnostic.Create));
}
}
if (_compiler.ReportErrors(errors, _console.Out, errorLogger))
{
return(CommonCompiler.Failed);
}
var cancellationToken = new CancellationToken();
var hostObject = new CommandLineHostObject(_console.Out, _objectFormatter, cancellationToken);
hostObject.Args = _compiler.Arguments.ScriptArguments.ToArray();
var scriptOptions = GetScriptOptions(_compiler.Arguments);
if (sourceFiles.IsEmpty)
{
RunInteractiveLoop(scriptOptions, hostObject);
}
else
{
RunScript(scriptOptions, code.ToString(), sourceFiles[0].Path, hostObject, errorLogger);
}
return(hostObject.ExitCode);
}
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);
}
}
}
}
private void RunScript(ScriptOptions options, string code, string scriptPath, CommandLineHostObject globals, ErrorLogger errorLogger)
{
options = options.WithPath(scriptPath).WithIsInteractive(false);
var script = Script.CreateInitialScript <object>(_scriptCompiler, code, options, globals.GetType(), assemblyLoaderOpt: null);
try
{
script.RunAsync(globals, globals.CancellationToken).Wait();
}
catch (CompilationErrorException e)
{
_compiler.ReportErrors(e.Diagnostics, _console.Out, errorLogger);
globals.ExitCode = CommonCompiler.Failed;
}
}
/// <summary>
/// csi.exe and vbi.exe entry point.
/// </summary>
private int RunInteractiveCore(ErrorLogger errorLogger)
{
Debug.Assert(_compiler.Arguments.IsInteractive);
var sourceFiles = _compiler.Arguments.SourceFiles;
if (sourceFiles.IsEmpty && _compiler.Arguments.DisplayLogo)
{
_compiler.PrintLogo(_console.Out);
}
if (_compiler.Arguments.DisplayHelp)
{
_compiler.PrintHelp(_console.Out);
return 0;
}
SourceText code = null;
IEnumerable<Diagnostic> errors = _compiler.Arguments.Errors;
if (!sourceFiles.IsEmpty)
{
if (sourceFiles.Length > 1 || !sourceFiles[0].IsScript)
{
errors = errors.Concat(new[] { Diagnostic.Create(_compiler.MessageProvider, _compiler.MessageProvider.ERR_ExpectedSingleScript) });
}
else
{
var diagnostics = new List<DiagnosticInfo>();
code = _compiler.ReadFileContent(sourceFiles[0], diagnostics);
errors = errors.Concat(diagnostics.Select(Diagnostic.Create));
}
}
if (_compiler.ReportErrors(errors, _console.Out, errorLogger))
{
return CommonCompiler.Failed;
}
var cancellationToken = new CancellationToken();
var hostObject = new CommandLineHostObject(_console.Out, _objectFormatter, cancellationToken);
hostObject.Args = _compiler.Arguments.ScriptArguments.ToArray();
var scriptOptions = GetScriptOptions(_compiler.Arguments);
if (sourceFiles.IsEmpty)
{
RunInteractiveLoop(scriptOptions, hostObject);
}
else
{
RunScript(scriptOptions, code.ToString(), sourceFiles[0].Path, hostObject, errorLogger);
}
return hostObject.ExitCode;
}
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);
}
}
}
}
private void RunScript(ScriptOptions options, string code, string scriptPath, CommandLineHostObject globals, ErrorLogger errorLogger)
{
options = options.WithPath(scriptPath).WithIsInteractive(false);
var script = Script.CreateInitialScript<object>(_scriptCompiler, code, options, globals.GetType(), assemblyLoaderOpt: null);
try
{
script.RunAsync(globals, globals.CancellationToken).Wait();
}
catch (CompilationErrorException e)
{
_compiler.ReportErrors(e.Diagnostics, _console.Out, errorLogger);
globals.ExitCode = CommonCompiler.Failed;
}
}