public async Task <ExecutionResult> ExecuteCodeAsync(string text)
{
var start = 0;
var end = text.IndexOf('\n');
if (end == -1)
{
return(ExecutionResult.Success);
}
try {
using (Session.DisableMutatedOnReadConsole()) {
while (end != -1)
{
var line = text.Substring(start, end - start + 1);
start = end + 1;
end = text.IndexOf('\n', start);
using (var request = await Session.BeginInteractionAsync()) {
using (_evaluatorRequest.Increment()) {
if (line.Length >= request.MaxLength)
{
CurrentWindow.WriteErrorLine(string.Format(Resources.InputIsTooLong, request.MaxLength));
return(ExecutionResult.Failure);
}
await request.RespondAsync(line);
}
}
}
}
return(ExecutionResult.Success);
} catch (RHostDisconnectedException rhdex) {
WriteError(rhdex.Message);
return(ExecutionResult.Success);
} catch (OperationCanceledException) {
// Cancellation reason was already reported via RSession.Error and printed out;
// Return success cause connection lost doesn't mean that RHost died
return(ExecutionResult.Success);
} catch (Exception ex) {
await _coreShell.ShowErrorMessageAsync(ex.ToString());
return(ExecutionResult.Failure);
} finally {
History.AddToHistory(text);
}
}
public async Task <ExecutionResult> ExecuteCodeAsync(string text)
{
var start = 0;
var end = text.IndexOf('\n');
if (end == -1)
{
return(ExecutionResult.Success);
}
try {
Session.BeforeRequest -= SessionOnBeforeRequest;
using (Session.DisableMutatedOnReadConsole()) {
while (end != -1)
{
var line = text.Substring(start, end - start + 1);
start = end + 1;
end = text.IndexOf('\n', start);
using (var request = await Session.BeginInteractionAsync()) {
if (line.Length >= request.MaxLength)
{
CurrentWindow.WriteErrorLine(string.Format(Resources.InputIsTooLong, request.MaxLength));
return(ExecutionResult.Failure);
}
await request.RespondAsync(line);
}
}
}
return(ExecutionResult.Success);
} catch (RException) {
// It was already reported via RSession.Error and printed out; just return failure.
return(ExecutionResult.Failure);
} catch (OperationCanceledException) {
// Cancellation reason was already reported via RSession.Error and printed out; just return failure.
return(ExecutionResult.Failure);
} catch (Exception ex) {
await _coreShell.DispatchOnMainThreadAsync(() => _coreShell.ShowErrorMessage(ex.ToString()));
return(ExecutionResult.Failure);
} finally {
Session.BeforeRequest += SessionOnBeforeRequest;
History.AddToHistory(text);
}
}
