/// <summary>
/// Pends the next input line to the current input buffer, optionally executing it
/// if it forms a complete statement.
/// </summary>
private async Task ProcessQueuedInputAsync()
{
var textView = _window.TextView;
var eval = _window.GetPythonEvaluator();
bool supportsMultipleStatements = false;
if (eval != null)
{
supportsMultipleStatements = await eval.GetSupportsMultipleStatementsAsync();
}
// Process all of our pending inputs until we get a complete statement
while (_pendingInputs.First != null)
{
string current = _pendingInputs.First.Value;
_pendingInputs.RemoveFirst();
MoveCaretToEndOfCurrentInput();
var statements = RecombineInput(
current,
_window.CurrentLanguageBuffer?.CurrentSnapshot.GetText(),
supportsMultipleStatements,
await textView.GetLanguageVersionAsync(_serviceProvider),
textView.Options.GetNewLineCharacter()
);
if (statements.Count > 0)
{
// If there was more than one statement then save those for execution later...
var input = statements[0];
for (int i = statements.Count - 1; i > 0; i--)
{
_pendingInputs.AddFirst(statements[i]);
}
_window.InsertCode(input);
string fullCode = _window.CurrentLanguageBuffer.CurrentSnapshot.GetText();
if (_window.Evaluator.CanExecuteCode(fullCode))
{
// the code is complete, execute it now
_window.Operations.ExecuteInput();
return;
}
_window.InsertCode(textView.Options.GetNewLineCharacter());
if (_submitAtEnd && _pendingInputs.First == null)
{
_window.Operations.ExecuteInput();
}
}
}
}
public static async Task <bool> GetSupportsMultipleStatements(this IInteractiveWindow window)
{
var pie = window.GetPythonEvaluator();
if (pie == null)
{
return(false);
}
return(await pie.GetSupportsMultipleStatementsAsync());
}
public Task<ExecutionResult> Execute(IInteractiveWindow window, string arguments) {
var finder = new FileFinder(arguments);
var eval = window.GetPythonEvaluator();
if (eval != null) {
finder.Search(eval.Configuration.WorkingDirectory);
foreach (var p in eval.Configuration.SearchPaths) {
finder.Search(p);
}
}
finder.ThrowIfNotFound();
string commandPrefix = "$";
string lineBreak = window.TextView.Options.GetNewLineCharacter();
IEnumerable<string> lines = File.ReadLines(finder.Filename);
IEnumerable<string> submissions;
if (eval != null) {
submissions = ReplEditFilter.JoinToCompleteStatements(lines, eval.LanguageVersion).Where(CommentPrefixPredicate);
} else {
// v1 behavior, will probably never be hit, but if someone was developing their own IReplEvaluator
// and using this class it would be hit.
var submissionList = new List<string>();
var currentSubmission = new List<string>();
foreach (var line in lines) {
if (line.StartsWith(_commentPrefix)) {
continue;
}
if (line.StartsWith(commandPrefix)) {
AddSubmission(submissionList, currentSubmission, lineBreak);
submissionList.Add(line);
currentSubmission.Clear();
} else {
currentSubmission.Add(line);
}
}
AddSubmission(submissionList, currentSubmission, lineBreak);
submissions = submissionList;
}
window.SubmitAsync(submissions);
return ExecutionResult.Succeeded;
}
public Task <ExecutionResult> Execute(IInteractiveWindow window, string arguments)
{
var finder = new FileFinder(arguments);
var eval = window.GetPythonEvaluator();
if (eval != null)
{
finder.Search(eval.Configuration.WorkingDirectory);
foreach (var p in eval.Configuration.SearchPaths)
{
finder.Search(p);
}
}
finder.ThrowIfNotFound();
string commandPrefix = "$";
string lineBreak = window.TextView.Options.GetNewLineCharacter();
IEnumerable <string> lines = File.ReadLines(finder.Filename);
IEnumerable <string> submissions;
if (eval != null)
{
submissions = ReplEditFilter.JoinToCompleteStatements(lines, eval.LanguageVersion).Where(CommentPrefixPredicate);
}
else
{
// v1 behavior, will probably never be hit, but if someone was developing their own IReplEvaluator
// and using this class it would be hit.
var submissionList = new List <string>();
var currentSubmission = new List <string>();
foreach (var line in lines)
{
if (line.StartsWith(_commentPrefix))
{
continue;
}
if (line.StartsWith(commandPrefix))
{
AddSubmission(submissionList, currentSubmission, lineBreak);
submissionList.Add(line);
currentSubmission.Clear();
}
else
{
currentSubmission.Add(line);
}
}
AddSubmission(submissionList, currentSubmission, lineBreak);
submissions = submissionList;
}
window.SubmitAsync(submissions);
return(ExecutionResult.Succeeded);
}
private static async Task PasteReplCode(
IInteractiveWindow window,
string pasting,
PythonLanguageVersion version
) {
// there's some text in the buffer...
var view = window.TextView;
var caret = view.Caret;
if (view.Selection.IsActive && !view.Selection.IsEmpty) {
foreach (var span in view.Selection.SelectedSpans) {
foreach (var normalizedSpan in view.BufferGraph.MapDownToBuffer(span, SpanTrackingMode.EdgeInclusive, window.CurrentLanguageBuffer)) {
normalizedSpan.Snapshot.TextBuffer.Delete(normalizedSpan);
}
}
}
var curBuffer = window.CurrentLanguageBuffer;
var inputPoint = view.BufferGraph.MapDownToBuffer(
caret.Position.BufferPosition,
PointTrackingMode.Positive,
curBuffer,
PositionAffinity.Successor
);
// if we didn't find a location then see if we're in a prompt, and if so, then we want
// to insert after the prompt.
if (caret.Position.BufferPosition != window.TextView.TextBuffer.CurrentSnapshot.Length) {
for (int i = caret.Position.BufferPosition + 1;
inputPoint == null && i <= window.TextView.TextBuffer.CurrentSnapshot.Length;
i++) {
inputPoint = view.BufferGraph.MapDownToBuffer(
new SnapshotPoint(window.TextView.TextBuffer.CurrentSnapshot, i),
PointTrackingMode.Positive,
curBuffer,
PositionAffinity.Successor
);
}
}
if (inputPoint == null) {
// we didn't find a point to insert, insert at the beginning.
inputPoint = new SnapshotPoint(curBuffer.CurrentSnapshot, 0);
}
// we want to insert the pasted code at the caret, but we also want to
// respect the stepping. So first grab the code before and after the caret.
string startText = curBuffer.CurrentSnapshot.GetText(0, inputPoint.Value);
string endText = curBuffer.CurrentSnapshot.GetText(
inputPoint.Value,
curBuffer.CurrentSnapshot.Length - inputPoint.Value);
var splitCode = JoinToCompleteStatements(SplitAndDedent(startText + pasting + endText), version).ToList();
curBuffer.Delete(new Span(0, curBuffer.CurrentSnapshot.Length));
bool supportMultiple = window.GetPythonEvaluator()?.SupportsMultipleStatements ?? false;
if (supportMultiple) {
await window.SubmitAsync(new[] { string.Join(Environment.NewLine, splitCode) });
} else if (splitCode.Count == 1) {
curBuffer.Insert(0, splitCode[0]);
var viewPoint = view.BufferGraph.MapUpToBuffer(
new SnapshotPoint(curBuffer.CurrentSnapshot, Math.Min(inputPoint.Value.Position + pasting.Length, curBuffer.CurrentSnapshot.Length)),
PointTrackingMode.Positive,
PositionAffinity.Successor,
view.TextBuffer
);
if (viewPoint != null) {
view.Caret.MoveTo(viewPoint.Value);
}
} else if (splitCode.Count != 0) {
var lastCode = splitCode[splitCode.Count - 1];
splitCode.RemoveAt(splitCode.Count - 1);
while (splitCode.Any()) {
var code = splitCode[0];
splitCode.RemoveAt(0);
await window.SubmitAsync(new[] { code });
supportMultiple = window.GetPythonEvaluator()?.SupportsMultipleStatements ?? false;
if (supportMultiple) {
// Might have changed while we were executing
break;
}
}
if (supportMultiple) {
// Submit all remaning lines of code
await window.SubmitAsync(new[] { string.Join(Environment.NewLine, splitCode) });
} else {
window.CurrentLanguageBuffer.Insert(0, lastCode);
}
} else {
window.CurrentLanguageBuffer.Insert(0, startText + pasting + endText);
}
}
private static async Task PasteReplCode(
IInteractiveWindow window,
string pasting,
PythonLanguageVersion version
)
{
// there's some text in the buffer...
var view = window.TextView;
var caret = view.Caret;
if (view.Selection.IsActive && !view.Selection.IsEmpty)
{
foreach (var span in view.Selection.SelectedSpans)
{
foreach (var normalizedSpan in view.BufferGraph.MapDownToBuffer(span, SpanTrackingMode.EdgeInclusive, window.CurrentLanguageBuffer))
{
normalizedSpan.Snapshot.TextBuffer.Delete(normalizedSpan);
}
}
}
var curBuffer = window.CurrentLanguageBuffer;
var inputPoint = view.BufferGraph.MapDownToBuffer(
caret.Position.BufferPosition,
PointTrackingMode.Positive,
curBuffer,
PositionAffinity.Successor
);
// if we didn't find a location then see if we're in a prompt, and if so, then we want
// to insert after the prompt.
if (caret.Position.BufferPosition != window.TextView.TextBuffer.CurrentSnapshot.Length)
{
for (int i = caret.Position.BufferPosition + 1;
inputPoint == null && i <= window.TextView.TextBuffer.CurrentSnapshot.Length;
i++)
{
inputPoint = view.BufferGraph.MapDownToBuffer(
new SnapshotPoint(window.TextView.TextBuffer.CurrentSnapshot, i),
PointTrackingMode.Positive,
curBuffer,
PositionAffinity.Successor
);
}
}
if (inputPoint == null)
{
// we didn't find a point to insert, insert at the beginning.
inputPoint = new SnapshotPoint(curBuffer.CurrentSnapshot, 0);
}
// we want to insert the pasted code at the caret, but we also want to
// respect the stepping. So first grab the code before and after the caret.
string startText = curBuffer.CurrentSnapshot.GetText(0, inputPoint.Value);
string endText = curBuffer.CurrentSnapshot.GetText(
inputPoint.Value,
curBuffer.CurrentSnapshot.Length - inputPoint.Value);
var splitCode = JoinToCompleteStatements(SplitAndDedent(startText + pasting + endText), version).ToList();
curBuffer.Delete(new Span(0, curBuffer.CurrentSnapshot.Length));
bool supportMultiple = window.GetPythonEvaluator()?.SupportsMultipleStatements ?? false;
if (supportMultiple)
{
await window.SubmitAsync(new[] { string.Join(Environment.NewLine, splitCode) });
}
else if (splitCode.Count == 1)
{
curBuffer.Insert(0, splitCode[0]);
var viewPoint = view.BufferGraph.MapUpToBuffer(
new SnapshotPoint(curBuffer.CurrentSnapshot, Math.Min(inputPoint.Value.Position + pasting.Length, curBuffer.CurrentSnapshot.Length)),
PointTrackingMode.Positive,
PositionAffinity.Successor,
view.TextBuffer
);
if (viewPoint != null)
{
view.Caret.MoveTo(viewPoint.Value);
}
}
else if (splitCode.Count != 0)
{
var lastCode = splitCode[splitCode.Count - 1];
splitCode.RemoveAt(splitCode.Count - 1);
while (splitCode.Any())
{
var code = splitCode[0];
splitCode.RemoveAt(0);
await window.SubmitAsync(new[] { code });
supportMultiple = window.GetPythonEvaluator()?.SupportsMultipleStatements ?? false;
if (supportMultiple)
{
// Might have changed while we were executing
break;
}
}
if (supportMultiple)
{
// Submit all remaning lines of code
await window.SubmitAsync(new[] { string.Join(Environment.NewLine, splitCode) });
}
else
{
window.CurrentLanguageBuffer.Insert(0, lastCode);
}
}
else
{
window.CurrentLanguageBuffer.Insert(0, startText + pasting + endText);
}
}