public override Task <ICompletionDataList> HandleCodeCompletionAsync(CodeCompletionContext completionContext, CompletionTriggerInfo triggerInfo, CancellationToken token = default(CancellationToken))
{
var project = (CProject)DocumentContext.Project;
if (project == null || !project.HasLibClang)
{
return(Task.FromResult((ICompletionDataList)null));
}
return(Task.Run(() => {
var completionChar = triggerInfo.TriggerCharacter ?? ' ';
ICompletionDataList list = new CompletionDataList();
if (ShouldCompleteOn(completionChar))
{
unsavedFiles = project.UnsavedFiles.Get();
bool fieldOrMethodMode = completionChar == '.' || completionChar == '>' ? true : false;
IntPtr pResults = project.ClangManager.CodeComplete(completionContext, unsavedFiles.ToArray(), DocumentContext.Name);
if (pResults.ToInt64() != 0)
{
CXCodeCompleteResults results = Marshal.PtrToStructure <CXCodeCompleteResults> (pResults);
for (int i = 0; i < results.NumResults; i++)
{
IntPtr iteratingPointer = results.Results + i * Marshal.SizeOf <CXCompletionResult> ();
CXCompletionResult resultItem = Marshal.PtrToStructure <CXCompletionResult> (iteratingPointer);
foreach (var cd in GetCompletionUnits(resultItem, operatorFilter, fieldOrMethodMode))
{
list.Add(cd);
}
}
}
clang.disposeCodeCompleteResults(pResults);
}
previous = completionChar;
list.Sort((x, y) => x.CompareTo(y));
return list;
}, token));
}
/// <summary>
/// Handles the parameter completion async. Invoked automatically on every keypress.
/// Contains scenarios for veeery perverted codes like: classInstancePointer ->
/// classmethod ( ( new tempClass<int>{ 1 , 2 , 3 } ) , (new int[1]{})) , but might be not ready for everything.
/// </summary>
/// <returns>The parameter completion async.</returns>
/// <param name="completionContext">Completion context.</param>
/// <param name="completionChar">Completion char.</param>
/// <param name="token">Token.</param>s
public override Task <ParameterHintingResult> HandleParameterCompletionAsync(
CodeCompletionContext completionContext,
char completionChar,
CancellationToken token = default(CancellationToken))
{
if (completionChar != '(' && completionChar != ',')
{
return(Task.FromResult((ParameterHintingResult)null));
}
var project = (CProject)DocumentContext.Project;
if (project == null || !project.HasLibClang)
{
return(Task.FromResult((ParameterHintingResult)null));
}
return(Task.Run(() => {
#region NEEDED_FOR_STARTOFFSET_:(
int inParenthesis = 0;
int nameEnd = completionContext.TriggerOffset - 1;
char endChar = Editor.GetCharAt(nameEnd);
char prevChar = Editor.GetCharAt(nameEnd - 1);
while (!(prevChar != '(' && endChar == '(' && inParenthesis <= 0) && //multiple '('
nameEnd > 1)
{
switch (endChar)
{
case ')':
inParenthesis++;
break;
case '(':
inParenthesis--;
break;
}
endChar = Editor.GetCharAt(--nameEnd);
prevChar = Editor.GetCharAt(nameEnd - 1);
}
WorkaroundWhitespaces(ref prevChar, ref nameEnd);
WorkaroundTemplateSpecifier(ref prevChar, ref nameEnd);
WorkaroundWhitespaces(ref prevChar, ref nameEnd);
int nameStart = nameEnd - 1;
//the actual name getting, march backwards while not a ., ->, space etc.
while (!allowedChars.Contains(prevChar) && nameStart > 1)
{
nameStart--;
prevChar = Editor.GetCharAt(nameStart - 1);
}
string functionName = Editor.Text.Substring(nameStart, nameEnd - nameStart);
#endregion
if (string.IsNullOrEmpty(functionName))
{
return (ParameterHintingResult)null;
}
unsavedFiles = project.UnsavedFiles.Get();
IntPtr pResults = project.ClangManager.CodeComplete(completionContext, unsavedFiles.ToArray(), DocumentContext.Name);
CXCodeCompleteResults results = Marshal.PtrToStructure <CXCodeCompleteResults> (pResults);
if (results.Results.ToInt64() != 0)
{
var parameterInformation = new List <OverloadCandidate> ();
for (int i = 0; i < results.NumResults; i++)
{
IntPtr iteratingPointer = results.Results + i * Marshal.SizeOf <CXCompletionResult> ();
CXCompletionResult resultItem = Marshal.PtrToStructure <CXCompletionResult> (iteratingPointer);
if (resultItem.CursorKind == CXCursorKind.@OverloadCandidate)
{
parameterInformation.Add(GetOverloadCandidate(resultItem));
}
}
clang.disposeCodeCompleteResults(pResults);
return (ParameterHintingResult) new ParameterDataProvider(nameStart, parameterInformation);
}
return (ParameterHintingResult)null;
}, token));
}
internal unsafe static extern Int64 clang_codeCompleteGetContexts(CXCodeCompleteResults* results);
internal unsafe static extern CXDiagnostic clang_codeCompleteGetDiagnostic(CXCodeCompleteResults* results, uint Index);
internal unsafe static extern uint clang_codeCompleteGetNumDiagnostics(CXCodeCompleteResults* results);
internal unsafe static extern void clang_disposeCodeCompleteResults(CXCodeCompleteResults* r);
