private static bool IncludeMember(ISymbol member, CODEMEMBERTYPE memberType, Compilation compilation)
{
if (!member.CanBeReferencedByName)
{
return(false);
}
switch (memberType)
{
case CODEMEMBERTYPE.CODEMEMBERTYPE_EVENT_HANDLERS:
// NOTE: the Dev10 C# codebase just returned
if (member.Kind != SymbolKind.Method)
{
return(false);
}
var method = (IMethodSymbol)member;
if (!method.ReturnsVoid)
{
return(false);
}
if (method.Parameters.Length != 2)
{
return(false);
}
if (!method.Parameters[0].Type.Equals(compilation.ObjectType))
{
return(false);
}
if (!method.Parameters[1].Type.InheritsFromOrEquals(compilation.EventArgsType()))
{
return(false);
}
return(true);
case CODEMEMBERTYPE.CODEMEMBERTYPE_EVENTS:
return(member.Kind == SymbolKind.Event);
case CODEMEMBERTYPE.CODEMEMBERTYPE_USER_FUNCTIONS:
return(member.Kind == SymbolKind.Method);
default:
throw new ArgumentException("InvalidValue", nameof(memberType));
}
}
/// <summary>
/// Get the display names and unique ids of all the members of the given type in <paramref
/// name="className"/>.
/// </summary>
public static IEnumerable <Tuple <string, string> > GetMembers(
Document document, string className, CODEMEMBERTYPE codeMemberType, CancellationToken cancellationToken)
{
var type = document.Project.GetCompilationAsync(cancellationToken).WaitAndGetResult_Venus(cancellationToken).GetTypeByMetadataName(className);
var compilation = document.Project.GetCompilationAsync(cancellationToken).WaitAndGetResult_Venus(cancellationToken);
var semanticModel = document.GetSemanticModelAsync(cancellationToken).WaitAndGetResult_Venus(cancellationToken);
var allMembers = codeMemberType == CODEMEMBERTYPE.CODEMEMBERTYPE_EVENTS ?
semanticModel.LookupSymbols(position: type.Locations[0].SourceSpan.Start, container: type, name: null) :
type.GetMembers();
var members = allMembers.Where(m => IncludeMember(m, codeMemberType, compilation));
return(members.Select(m => Tuple.Create(m.Name, ConstructMemberId(m))));
}
private static bool IncludeMember(ISymbol member, CODEMEMBERTYPE memberType, Compilation compilation)
{
if (!member.CanBeReferencedByName)
{
return false;
}
switch (memberType)
{
case CODEMEMBERTYPE.CODEMEMBERTYPE_EVENT_HANDLERS:
// NOTE: the Dev10 C# codebase just returned
if (member.Kind != SymbolKind.Method)
{
return false;
}
var method = (IMethodSymbol)member;
if (!method.ReturnsVoid)
{
return false;
}
if (method.Parameters.Length != 2)
{
return false;
}
if (!method.Parameters[0].Type.Equals(compilation.ObjectType))
{
return false;
}
if (!method.Parameters[1].Type.InheritsFromOrEquals(compilation.EventArgsType()))
{
return false;
}
return true;
case CODEMEMBERTYPE.CODEMEMBERTYPE_EVENTS:
return member.Kind == SymbolKind.Event;
case CODEMEMBERTYPE.CODEMEMBERTYPE_USER_FUNCTIONS:
return member.Kind == SymbolKind.Method;
default:
throw new ArgumentException("InvalidValue", "memberType");
}
}
/// <summary>
/// Get the display names and unique ids of all the members of the given type in <paramref
/// name="className"/>.
/// </summary>
public static IEnumerable<Tuple<string, string>> GetMembers(
Document document, string className, CODEMEMBERTYPE codeMemberType, CancellationToken cancellationToken)
{
var type = document.Project.GetCompilationAsync(cancellationToken).WaitAndGetResult(cancellationToken).GetTypeByMetadataName(className);
var compilation = document.Project.GetCompilationAsync(cancellationToken).WaitAndGetResult(cancellationToken);
var semanticModel = document.GetSemanticModelAsync(cancellationToken).WaitAndGetResult(cancellationToken);
var allMembers = codeMemberType == CODEMEMBERTYPE.CODEMEMBERTYPE_EVENTS ?
semanticModel.LookupSymbols(position: type.Locations[0].SourceSpan.Start, container: type, name: null) :
type.GetMembers();
var members = allMembers.Where(m => IncludeMember(m, codeMemberType, compilation));
return members.Select(m => Tuple.Create(m.Name, ConstructMemberId(m)));
}
