void OnEditKeyPress(object s, Gtk.KeyPressEventArgs args)
{
Gtk.Entry entry = (Gtk.Entry)s;
if (currentCompletionData != null)
{
KeyActions ka;
bool ret = CompletionWindowManager.PreProcessKeyEvent(args.Event.Key, (char)args.Event.Key, args.Event.State, out ka);
CompletionWindowManager.PostProcessKeyEvent(ka);
args.RetVal = ret;
}
Gtk.Application.Invoke(delegate {
char c = (char)Gdk.Keyval.ToUnicode(args.Event.KeyValue);
if (currentCompletionData == null && IsCompletionChar(c))
{
string exp = entry.Text.Substring(0, entry.CursorPosition);
currentCompletionData = GetCompletionData(exp);
if (currentCompletionData != null)
{
DebugCompletionDataList dataList = new DebugCompletionDataList(currentCompletionData);
CodeCompletionContext ctx = ((ICompletionWidget)this).CreateCodeCompletionContext(entry.CursorPosition - currentCompletionData.ExpressionLenght);
CompletionWindowManager.ShowWindow(c, dataList, this, ctx, OnCompletionWindowClosed);
}
else
{
currentCompletionData = null;
}
}
});
}
public DebugCompletionDataList(Mono.Debugging.Client.CompletionData data)
{
IsSorted = false;
foreach (CompletionItem it in data.Items)
{
Add(new DebugCompletionData(it));
}
}
void OnEndEditing()
{
editing = false;
editEntry.KeyPressEvent -= OnEditKeyPress;
CompletionWindowManager.HideWindow();
currentCompletionData = null;
if (EndEditing != null)
{
EndEditing(this, EventArgs.Empty);
}
}
public virtual CompletionData GetExpressionCompletionData (EvaluationContext ctx, string exp)
{
int i;
if (exp.Length == 0)
return null;
if (exp [exp.Length - 1] == '.') {
exp = exp.Substring (0, exp.Length - 1);
i = 0;
while (i < exp.Length) {
ValueReference vr = null;
try {
vr = ctx.Evaluator.Evaluate (ctx, exp.Substring (i), null);
if (vr != null) {
CompletionData data = new CompletionData ();
foreach (ValueReference cv in vr.GetChildReferences (ctx.Options))
data.Items.Add (new CompletionItem (cv.Name, cv.Flags));
data.ExpressionLenght = 0;
return data;
}
} catch (Exception ex) {
ctx.WriteDebuggerError (ex);
}
i++;
}
return null;
}
i = exp.Length - 1;
bool lastWastLetter = false;
while (i >= 0) {
char c = exp [i--];
if (!char.IsLetterOrDigit (c) && c != '_')
break;
lastWastLetter = !char.IsDigit (c);
}
if (lastWastLetter) {
string partialWord = exp.Substring (i+1);
CompletionData data = new CompletionData ();
data.ExpressionLenght = partialWord.Length;
// Local variables
foreach (ValueReference vc in GetLocalVariables (ctx))
if (vc.Name.StartsWith (partialWord))
data.Items.Add (new CompletionItem (vc.Name, vc.Flags));
// Parameters
foreach (ValueReference vc in GetParameters (ctx))
if (vc.Name.StartsWith (partialWord))
data.Items.Add (new CompletionItem (vc.Name, vc.Flags));
// Members
ValueReference thisobj = GetThisReference (ctx);
if (thisobj != null)
data.Items.Add (new CompletionItem ("this", ObjectValueFlags.Field | ObjectValueFlags.ReadOnly));
object type = GetEnclosingType (ctx);
foreach (ValueReference vc in GetMembers (ctx, null, type, thisobj != null ? thisobj.Value : null))
if (vc.Name.StartsWith (partialWord))
data.Items.Add (new CompletionItem (vc.Name, vc.Flags));
if (data.Items.Count > 0)
return data;
}
return null;
}
public virtual CompletionData GetExpressionCompletionData(EvaluationContext ctx, string expr)
{
if (string.IsNullOrEmpty (expr))
return null;
if (expr[expr.Length - 1] == '.') {
try {
var vr = ctx.Evaluator.Evaluate (ctx, expr.Substring (0, expr.Length - 1), null);
if (vr != null)
return GetMemberCompletionData (ctx, vr);
// FIXME: handle types and namespaces...
} catch (Exception ex) {
ctx.WriteDebuggerError (ex);
}
return null;
}
bool lastWastLetter = false;
int i = expr.Length - 1;
while (i >= 0) {
char c = expr[i--];
if (!char.IsLetterOrDigit (c) && c != '_')
break;
lastWastLetter = !char.IsDigit (c);
}
if (lastWastLetter) {
string partialWord = expr.Substring (i+1);
CompletionData data = new CompletionData ();
data.ExpressionLength = partialWord.Length;
// Local variables
foreach (ValueReference vc in GetLocalVariables (ctx))
if (vc.Name.StartsWith (partialWord, StringComparison.InvariantCulture))
data.Items.Add (new CompletionItem (vc.Name, vc.Flags));
// Parameters
foreach (ValueReference vc in GetParameters (ctx))
if (vc.Name.StartsWith (partialWord, StringComparison.InvariantCulture))
data.Items.Add (new CompletionItem (vc.Name, vc.Flags));
// Members
ValueReference thisobj = GetThisReference (ctx);
if (thisobj != null)
data.Items.Add (new CompletionItem ("this", ObjectValueFlags.Field | ObjectValueFlags.ReadOnly));
object type = GetEnclosingType (ctx);
foreach (ValueReference vc in GetMembers (ctx, null, type, thisobj != null ? thisobj.Value : null))
if (vc.Name.StartsWith (partialWord, StringComparison.InvariantCulture))
data.Items.Add (new CompletionItem (vc.Name, vc.Flags));
if (data.Items.Count > 0)
return data;
}
return null;
}
protected virtual CompletionData GetMemberCompletionData(EvaluationContext ctx, ValueReference vr)
{
var data = new CompletionData ();
foreach (ValueReference cv in vr.GetChildReferences (ctx.Options))
data.Items.Add (new CompletionItem (cv.Name, cv.Flags));
data.ExpressionLength = 0;
return data;
}
public CompletionData GetExpressionCompletionData (int frameIndex, string exp)
{
SelectFrame (frameIndex);
bool pointer = exp.EndsWith ("->");
int i;
if (pointer || exp.EndsWith (".")) {
exp = exp.Substring (0, exp.Length - (pointer ? 2 : 1));
i = 0;
while (i < exp.Length) {
ObjectValue val = CreateVarObject (exp);
if (!val.IsUnknown && !val.IsError) {
CompletionData data = new CompletionData ();
foreach (ObjectValue cv in val.GetAllChildren ())
data.Items.Add (new CompletionItem (cv.Name, cv.Flags));
data.ExpressionLenght = 0;
return data;
}
i++;
}
return null;
}
i = exp.Length - 1;
bool lastWastLetter = false;
while (i >= 0) {
char c = exp [i--];
if (!char.IsLetterOrDigit (c) && c != '_')
break;
lastWastLetter = !char.IsDigit (c);
}
if (lastWastLetter) {
string partialWord = exp.Substring (i+1);
CompletionData cdata = new CompletionData ();
cdata.ExpressionLenght = partialWord.Length;
// Local variables
GdbCommandResult res = session.RunCommand ("-stack-list-locals", "0");
foreach (ResultData data in res.GetObject ("locals")) {
string name = data.GetValue ("name");
if (name.StartsWith (partialWord))
cdata.Items.Add (new CompletionItem (name, ObjectValueFlags.Variable));
}
// Parameters
res = session.RunCommand ("-stack-list-arguments", "0", frameIndex.ToString (), frameIndex.ToString ());
foreach (ResultData data in res.GetObject ("stack-args").GetObject (0).GetObject ("frame").GetObject ("args")) {
string name = data.GetValue ("name");
if (name.StartsWith (partialWord))
cdata.Items.Add (new CompletionItem (name, ObjectValueFlags.Parameter));
}
if (cdata.Items.Count > 0)
return cdata;
}
return null;
}
public async Task <CompletionData> GetExpressionCompletionDataAsync(string exp, StackFrame frame, CancellationToken token)
{
var location = frame.SourceLocation;
if (document == null)
{
return(null);
}
var solution = document.Project.Solution;
var textSnapshot = textBuffer.CurrentSnapshot;
var text = textSnapshot.GetText(new Span(0, textSnapshot.Length));
var insertOffset = await GetAdjustedContextPointAsync(textSnapshot.GetLineFromLineNumber (location.EndLine - 1).Start.Position + location.EndColumn - 1, document, token).ConfigureAwait(false);
text = text.Insert(insertOffset, ";" + exp + ";");
insertOffset++; //advance for 1 which represents `;` before expression
var newTextBuffer = PlatformCatalog.Instance.TextBufferFactoryService.CreateTextBuffer(text, textBuffer.ContentType);
var snapshot = newTextBuffer.CurrentSnapshot;
try {
//Workaround Mono bug: https://github.com/mono/mono/issues/8700
snapshot.AsText();
} catch (Exception) {
}
// Fork the solution using this new primary buffer for the document and all of its linked documents.
var forkedSolution = solution.WithDocumentText(document.Id, snapshot.AsText(), PreservationMode.PreserveIdentity);
foreach (var link in document.GetLinkedDocumentIds())
{
forkedSolution = forkedSolution.WithDocumentText(link, snapshot.AsText(), PreservationMode.PreserveIdentity);
}
// Put it into a new workspace, and open it and its related documents
// with the projection buffer as the text.
var forkedWorkspace = new DebuggerIntellisenseWorkspace(forkedSolution);
forkedWorkspace.OpenDocument(document.Id, newTextBuffer.AsTextContainer());
foreach (var link in document.GetLinkedDocumentIds())
{
forkedWorkspace.OpenDocument(link, newTextBuffer.AsTextContainer());
}
var cs = forkedWorkspace.Services.GetLanguageServices(LanguageNames.CSharp).GetService <CompletionService> ();
var trigger = new CompletionTrigger(CompletionTriggerKind.Invoke, '\0');
var roslynCompletions = await cs.GetCompletionsAsync(forkedWorkspace.CurrentSolution.GetDocument(document.Id), insertOffset + exp.Length, trigger, cancellationToken : token).ConfigureAwait(false);
if (roslynCompletions == null)
{
return(null);
}
var result = new Mono.Debugging.Client.CompletionData();
foreach (var roslynCompletion in roslynCompletions.Items)
{
if (roslynCompletion.Tags.Contains(WellKnownTags.Snippet))
{
continue;
}
result.Items.Add(new Mono.Debugging.Client.CompletionItem(roslynCompletion.DisplayText, RoslynTagsToDebuggerFlags(roslynCompletion.Tags)));
}
result.ExpressionLength = roslynCompletions.Span.Length;
return(result);
}
void OnCompletionWindowClosed()
{
currentCompletionData = null;
}