public void SignatureDescriptions(string conceptTypeName, string expectedDescription)
{
var rhetosProjectContext = serviceProvider.GetRequiredService <RhetosProjectContext>();
var conceptType = rhetosProjectContext.DslSyntax.ConceptTypes.Single(a => a.TypeName == conceptTypeName);
var description = ConceptTypeTools.SignatureDescription(conceptType);
Assert.AreEqual(expectedDescription, description);
}
private RhetosSignature CreateRhetosSignature(ConceptType conceptType)
{
var prefix = " ";
var signature = ConceptTypeTools.SignatureDescription(conceptType);
var documentation = $"{prefix}* defined by {conceptType.AssemblyQualifiedName}";
var xmlDocumentation = GetDocumentation(conceptType, prefix);
if (!string.IsNullOrEmpty(xmlDocumentation))
{
documentation = $"{xmlDocumentation}\n{documentation}";
}
return(new RhetosSignature()
{
ConceptType = conceptType,
Parameters = ConceptTypeTools.GetParameters(conceptType),
Signature = signature,
Documentation = documentation
});
}
public Task <SignatureHelp> Handle(SignatureHelpParams request, CancellationToken cancellationToken)
{
log.LogDebug($"SignatureHelp requested at {request.Position.ToLineChr()}.");
var rhetosDocument = rhetosWorkspace.Value.GetRhetosDocument(request.TextDocument.Uri.ToUri());
if (rhetosDocument == null)
{
return(Task.FromResult <SignatureHelp>(null));
}
var signatures = rhetosDocument.GetSignatureHelpAtPosition(request.Position.ToLineChr());
if (signatures.signatures == null)
{
return(Task.FromResult <SignatureHelp>(null));
}
ParameterInformation FromRhetosParameter(ConceptMemberSyntax conceptMember) => new ParameterInformation()
{
Documentation = "",
Label = new ParameterInformationLabel(ConceptTypeTools.ConceptMemberDescription(conceptMember))
};
SignatureInformation FromRhetosSignature(RhetosSignature rhetosSignature) => new SignatureInformation()
{
Documentation = rhetosSignature.Documentation,
Label = rhetosSignature.Signature,
Parameters = new Container <ParameterInformation>(rhetosSignature.Parameters.Select(FromRhetosParameter))
};
var signatureHelp = new SignatureHelp()
{
Signatures = new Container <SignatureInformation>(signatures.signatures.Select(FromRhetosSignature)),
ActiveSignature = signatures.activeSignature ?? 100,
ActiveParameter = signatures.activeParameter ?? 100
};
return(Task.FromResult(signatureHelp));
}
