/// <summary>
/// Perform constructor-specific completion
/// </summary>
private ValaCompletionDataList CompleteConstructor(string lineText, int line, int column)
{
ProjectInformation parser = Parser;
Match match = initializationRegex.Match(lineText);
ValaCompletionDataList list = new ValaCompletionDataList();
ThreadPool.QueueUserWorkItem(delegate {
if (match.Success)
{
// variable initialization
if (match.Groups["typename"].Success || "var" != match.Groups["typename"].Value)
{
// simultaneous declaration and initialization
parser.GetConstructorsForType(match.Groups["typename"].Value, Document.FileName, line, column, list);
}
else if (match.Groups["variable"].Success)
{
// initialization of previously declared variable
parser.GetConstructorsForExpression(match.Groups["variable"].Value, Document.FileName, line, column, list);
}
if (0 == list.Count)
{
// Fallback to known types
parser.GetTypesVisibleFrom(Document.FileName, line, column, list);
}
}
});
return(list);
} // CompleteConstructor
public override ICompletionDataList HandleCodeCompletion(
CodeCompletionContext completionContext, char completionChar)
{
string lineText = null;
ProjectInformation parser = Parser;
var loc = Editor.Document.OffsetToLocation(completionContext.TriggerOffset);
int line = loc.Line, column = loc.Column;
switch (completionChar)
{
case '.': // foo.[complete]
lineText = Editor.GetLineText(line);
if (column > lineText.Length)
{
column = lineText.Length;
}
lineText = lineText.Substring(0, column - 1);
string itemName = GetTrailingSymbol(lineText);
if (string.IsNullOrEmpty(itemName))
{
return(null);
}
return(GetMembersOfItem(itemName, line, column));
case '\t':
case ' ':
lineText = Editor.GetLineText(line);
if (0 == lineText.Length)
{
return(null);
}
if (column > lineText.Length)
{
column = lineText.Length;
}
lineText = lineText.Substring(0, column - 1).Trim();
if (lineText.EndsWith("new"))
{
return(CompleteConstructor(lineText, line, column));
}
else if (lineText.EndsWith("is"))
{
ValaCompletionDataList list = new ValaCompletionDataList();
ThreadPool.QueueUserWorkItem(delegate {
parser.GetTypesVisibleFrom(Document.FileName, line, column, list);
});
return(list);
}
else if (0 < lineText.Length)
{
char lastNonWS = lineText[lineText.Length - 1];
if (0 <= Array.IndexOf(operators, lastNonWS) ||
(1 == lineText.Length && 0 > Array.IndexOf(allowedChars, lastNonWS)))
{
return(GlobalComplete(completionContext));
}
}
break;
default:
if (0 <= Array.IndexOf(operators, completionChar))
{
return(GlobalComplete(completionContext));
}
break;
}
return(null);
}
