private static bool TryGetX(SyntaxNodeAnalysisContext context, out ReflectedMember member, out Name name, out Flags flags, out Types types)
{
name = default(Name);
if (context.Node is InvocationExpressionSyntax candidate)
{
return(GetX.TryMatchGetConstructor(candidate, context, out member, out flags, out types) ||
GetX.TryMatchGetEvent(candidate, context, out member, out name, out flags) ||
GetX.TryMatchGetField(candidate, context, out member, out name, out flags) ||
GetX.TryMatchGetMethod(candidate, context, out member, out name, out flags, out types) ||
GetX.TryMatchGetNestedType(candidate, context, out member, out name, out flags) ||
GetX.TryMatchGetProperty(candidate, context, out member, out name, out flags, out types));
}
member = default(ReflectedMember);
flags = default(Flags);
types = default(Types);
return(false);
}
internal static bool TryGet(ExpressionSyntax expression, SyntaxNodeAnalysisContext context, out EventInfo eventInfo)
{
switch (expression)
{
case InvocationExpressionSyntax invocation when GetX.TryMatchGetEvent(invocation, context, out var member, out _, out _) &&
member.Symbol is IEventSymbol @event:
eventInfo = new EventInfo(member.ReflectedType, @event);
return(true);
}
if (expression.IsEither(SyntaxKind.IdentifierName, SyntaxKind.SimpleMemberAccessExpression) &&
context.SemanticModel.TryGetSymbol(expression, context.CancellationToken, out ISymbol local))
{
eventInfo = default(EventInfo);
return(AssignedValue.TryGetSingle(local, context.SemanticModel, context.CancellationToken, out var assignedValue) &&
TryGet(assignedValue, context, out eventInfo));
}
eventInfo = default(EventInfo);
return(false);
}