/// <summary>
/// Builds an overload candidate for parameter hinting.
/// </summary>
/// <returns>Overload candidate which contains return type, function name.</returns>
/// <param name="resultItem">Result item. resultItem.CursorKind must be CXCursorKind.OverloadCandidate. </param>
OverloadCandidate GetOverloadCandidate(CXCompletionResult resultItem)
{
var completionString = new CXCompletionString(resultItem.CompletionString);
uint completionchunknum = clang.getNumCompletionChunks(completionString.Pointer);
string ret = String.Empty;
string nam = String.Empty;
var parameters = new List <string> ();
for (uint j = 0; j < completionchunknum; j++)
{
switch (clang.getCompletionChunkKind(completionString.Pointer, j))
{
case CXCompletionChunkKind.ResultType:
ret = clang.getCompletionChunkText(completionString.Pointer, j).ToString();
break;
case CXCompletionChunkKind.Text:
nam = clang.getCompletionChunkText(completionString.Pointer, j).ToString();
break;
case CXCompletionChunkKind.CurrentParameter:
case CXCompletionChunkKind.Placeholder:
parameters.Add(clang.getCompletionChunkText(completionString.Pointer, j).ToString());
break;
}
}
return(new OverloadCandidate(ret, nam, parameters));
}
// modified code of Michael Hutchinson from https://github.com/mhutch/cbinding/pull/1#discussion_r34485216
IEnumerable <ClangCompletionUnit> GetCompletionUnits(CXCompletionResult resultItem, Regex operatorFilter, bool fieldOrMethodMode)
{
var completionString = new CXCompletionString(resultItem.CompletionString);
uint completionchunknum = clang.getNumCompletionChunks(completionString.Pointer);
for (uint j = 0; j < completionchunknum; j++)
{
if (clang.getCompletionChunkKind(completionString.Pointer, j) != CXCompletionChunkKind.TypedText)
{
continue;
}
switch (resultItem.CursorKind)
{
case CXCursorKind.Destructor:
case CXCursorKind.UnaryOperator:
case CXCursorKind.BinaryOperator:
case CXCursorKind.CompoundAssignOperator:
continue;
}
if (fieldOrMethodMode)
{
switch (resultItem.CursorKind)
{
case CXCursorKind.ClassDecl:
case CXCursorKind.StructDecl:
continue;
}
}
string realstring = clang.getCompletionChunkText(completionString.Pointer, j).ToString();
if (operatorFilter.IsMatch(realstring))
{
continue;
}
uint priority = clang.getCompletionPriority(completionString.Pointer);
yield return(new ClangCompletionUnit(resultItem, realstring, priority));
}
}
internal static extern CXString clang_getCompletionParent(CXCompletionString completion_string, CXCursorKindPtr kind);
internal static extern CXString clang_getCompletionAnnotation(CXCompletionString completion_string, uint annotation_number);
internal static extern uint clang_getCompletionNumAnnotations(CXCompletionString completion_string);
internal static extern AvailabilityKind clang_getCompletionAvailability(CXCompletionString completion_string);
internal static extern CXString clang_getCompletionChunkText(CXCompletionString cs, uint chunkNumber);
internal static extern uint clang_getNumCompletionChunks(CXCompletionString completion_string);
internal unsafe static extern CXString clang_getCompletionParent(CXCompletionString cs, out CursorKind kind);
internal static extern CXString clang_getCompletionAnnotation(CXCompletionString cs, uint annotationNumber);
internal static extern uint clang_getCompletionNumAnnotations(CXCompletionString cs);
internal static extern AvailabilityKind clang_getCompletionAvailability(CXCompletionString cs);
internal static extern uint clang_getCompletionPriority(CXCompletionString cs);
internal static extern uint clang_getNumCompletionChunks(CXCompletionString cs);
internal static extern CXCompletionString clang_getCompletionChunkCompletionString(CXCompletionString cs, uint chunk_number);
internal static extern CXString clang_getCompletionBriefComment(CXCompletionString completion_string);
internal static extern CXCompletionString clang_getCompletionChunkCompletionString(CXCompletionString completion_string, uint chunk_number);
internal static extern CXString clang_getCompletionBriefComment(CXCompletionString cs);
internal static extern uint clang_getCompletionPriority(CXCompletionString completion_string);
internal static extern ChunkKind clang_getCompletionChunkKind(CXCompletionString cs, uint chunkNumber);
