private static string GetCompletionTextToEvaluate(ICompletionsCommand cmd)
{
var idx = cmd.Column - 1;
var text = idx <= cmd.Text.Length ? cmd.Text.Substring(0, idx) : cmd.Text;
return(text.TrimEnd('.'));
}
/// <inheritdoc/>
public void Completions(ICompletionsCommand cmd)
{
if (!cmd.FrameId.HasValue)
{
SendErrorEvaluationInGlobalScopeNotSupported(cmd);
return;
}
var frameRef = m_scopeHandles.Get(cmd.FrameId.Value, null);
var ans = m_expressionEvaluator.EvaluateExpression(frameRef, GetCompletionTextToEvaluate(cmd));
List <ICompletionItem> items;
if (!ans.Succeeded)
{
items = new List <ICompletionItem>(0);
}
else
{
var resultAsObjLiteral = ans.Result.Object as ObjectLiteral;
var memberProps = resultAsObjLiteral != null?Renderer.ObjectLiteralInfo(ans.Result.Context, resultAsObjLiteral).Properties : Property.Empty;
var ambientProps = m_renderer.GetAmbientProperties(ans.Result.Context, ans.Result.Object);
items = memberProps.Concat(ambientProps).Select(p => (ICompletionItem) new CompletionItem(p.Name, p.Name, p.Kind)).ToList();
}
cmd.SendResult(new CompletionsResult(items));
}
/// <inheritdoc/>
public void Completions(ICompletionsCommand cmd)
{
if (!cmd.FrameId.HasValue)
{
SendErrorEvaluationInGlobalScopeNotSupported(cmd);
return;
}
var frameRef = m_scopeHandles.Get(cmd.FrameId.Value, null);
var textToEval = ExtractCompletionRequestPrefixText(cmd);
var lastIdx = new[] { '.', '[', '(' }.Max(c => textToEval.LastIndexOf(c));
var text = lastIdx > -1
? textToEval.Substring(0, length: lastIdx)
: textToEval;
var ans = ExpressionEvaluator.EvaluateExpression(
State.GetThreadState(frameRef.ThreadId),
frameRef.FrameIndex,
text,
evaluateForCompletions: true);
List <ICompletionItem> items;
if (!ans.Succeeded)
{
items = new List <ICompletionItem>(0);
}
else
{
items = Renderer
.GetObjectInfo(ans.Result.Context, ans.Result.Object)
.Properties
.Select(p => (ICompletionItem) new CompletionItem(p.Name, p.Name, p.Kind))
.ToList();
}
cmd.SendResult(new CompletionsResult(items));
}
private static string ExtractCompletionRequestPrefixText(ICompletionsCommand cmd)
{
var idx = cmd.Column - 1;
return(idx <= cmd.Text.Length ? cmd.Text.Substring(0, idx) : cmd.Text);
}