private ISignature CreateSignature(ISignatureHelpSession session,
IFunctionInfo functionInfo, ISignatureInfo signatureInfo,
ITrackingSpan span, AstRoot ast, int position)
{
SignatureHelp sig = new SignatureHelp(session, _textBuffer, functionInfo.Name, string.Empty, signatureInfo);
List <IParameter> paramList = new List <IParameter>();
// Locus points in the pretty printed signature (the one displayed in the tooltip)
var locusPoints = new List <int>();
string signatureString = signatureInfo.GetSignatureString(locusPoints);
sig.Content = signatureString;
sig.ApplicableToSpan = span;
sig.Documentation = functionInfo.Description?.Wrap(Math.Min(SignatureInfo.MaxSignatureLength, sig.Content.Length));
Debug.Assert(locusPoints.Count == signatureInfo.Arguments.Count + 1);
for (int i = 0; i < signatureInfo.Arguments.Count; i++)
{
IArgumentInfo p = signatureInfo.Arguments[i];
if (p != null)
{
int locusStart = locusPoints[i];
int locusLength = locusPoints[i + 1] - locusStart;
Debug.Assert(locusLength >= 0);
Span locus = new Span(locusStart, locusLength);
/// VS may end showing very long tooltip so we need to keep
/// description reasonably short: typically about
/// same length as the function signature.
paramList.Add(
new SignatureParameter(
p.Description.Wrap(
Math.Min(SignatureInfo.MaxSignatureLength, sig.Content.Length)),
locus, locus, p.Name, sig));
}
}
sig.Parameters = new ReadOnlyCollection <IParameter>(paramList);
sig.ComputeCurrentParameter(ast, position);
return(sig);
}
public static IRFunctionSignatureHelp Create(IRIntellisenseContext context, IFunctionInfo functionInfo, ISignatureInfo signatureInfo, ITrackingTextRange applicableSpan)
{
var sig = new RFunctionSignatureHelp(context.Session, context.EditorBuffer, functionInfo.Name, string.Empty, signatureInfo);
var paramList = new List <ISignatureParameterHelp>();
// Locus points in the pretty printed signature (the one displayed in the tooltip)
var locusPoints = new List <int>();
var signatureString = signatureInfo.GetSignatureString(functionInfo.Name, locusPoints);
sig.Content = signatureString;
sig.ApplicableToRange = applicableSpan;
sig.Documentation = functionInfo.Description?.Wrap(Math.Min(MaxSignatureLength, sig.Content.Length));
Debug.Assert(locusPoints.Count == signatureInfo.Arguments.Count + 1);
for (var i = 0; i < signatureInfo.Arguments.Count; i++)
{
var p = signatureInfo.Arguments[i];
if (p != null)
{
var locusStart = locusPoints[i];
var locusLength = locusPoints[i + 1] - locusStart;
Debug.Assert(locusLength >= 0);
var locus = new TextRange(locusStart, locusLength);
// VS may end showing very long tooltip so we need to keep
// description reasonably short: typically about
// same length as the function signature.
var description = p.Description.Wrap(Math.Min(MaxSignatureLength, sig.Content.Length));
paramList.Add(new RSignatureParameterHelp(description, locus, p.Name, sig));
}
}
sig.Parameters = new ReadOnlyCollection <ISignatureParameterHelp>(paramList);
sig.ComputeCurrentParameter(context.AstRoot, context.Position);
return(sig);
}
private ISignature CreateSignature(ISignatureHelpSession session,
string functionName, IFunctionInfo functionInfo, ISignatureInfo signatureInfo,
ITrackingSpan span, AstRoot ast, int position) {
SignatureHelp sig = new SignatureHelp(session, _textBuffer, functionName, string.Empty, signatureInfo, _shell);
List<IParameter> paramList = new List<IParameter>();
// Locus points in the pretty printed signature (the one displayed in the tooltip)
var locusPoints = new List<int>();
string signatureString = signatureInfo.GetSignatureString(functionName, locusPoints);
sig.Content = signatureString;
sig.ApplicableToSpan = span;
sig.Documentation = functionInfo.Description?.Wrap(Math.Min(SignatureInfo.MaxSignatureLength, sig.Content.Length));
Debug.Assert(locusPoints.Count == signatureInfo.Arguments.Count + 1);
for (int i = 0; i < signatureInfo.Arguments.Count; i++) {
IArgumentInfo p = signatureInfo.Arguments[i];
if (p != null) {
int locusStart = locusPoints[i];
int locusLength = locusPoints[i + 1] - locusStart;
Debug.Assert(locusLength >= 0);
Span locus = new Span(locusStart, locusLength);
/// VS may end showing very long tooltip so we need to keep
/// description reasonably short: typically about
/// same length as the function signature.
paramList.Add(
new SignatureParameter(
p.Description.Wrap(
Math.Min(SignatureInfo.MaxSignatureLength, sig.Content.Length)),
locus, locus, p.Name, sig));
}
}
sig.Parameters = new ReadOnlyCollection<IParameter>(paramList);
sig.ComputeCurrentParameter(ast, position);
return sig;
}