/// <nodoc />
public DiagnosticMessageChain(string messageText, DiagnosticCategory category, int code, DiagnosticMessageChain next)
{
MessageText = messageText;
Category = category;
Code = code;
Next = next;
}
/// <inheritdoc />
public override string ToString()
{
if (m_message != null)
{
return(m_message);
}
// see flattenDiagnosticMessageText from program.ts to see similar implementation
DiagnosticMessageChain chain = m_messageChain;
int indent = 0;
var builder = new StringBuilder();
while (chain != null)
{
if (indent != 0)
{
builder.AppendLine();
builder.Append(new string(' ', indent * 2));
}
builder.Append(chain.MessageText);
indent++;
chain = chain.Next;
}
return(builder.ToString());
}
/// <nodoc />
public static DiagnosticMessageChain ChainDiagnosticMessages(DiagnosticMessageChain details, IDiagnosticMessage message,
params object[] args)
{
var text = GetLocaleSpecificMessage(message);
// arguments is a JavaScript concept!
if (args?.Length > 0)
{
text = FormatStringFromArgs(text, args);
}
return(new DiagnosticMessageChain(text, message.Category, message.Code, details));
}
/// <nodoc />
public static DiagnosticMessageChain ConcatenateDiagnosticMessageChains(
DiagnosticMessageChain headChain,
DiagnosticMessageChain tailChain)
{
var lastChain = headChain;
while (lastChain.Next != null)
{
lastChain = lastChain.Next;
}
lastChain.Next = tailChain;
return(headChain);
}
private Message(DiagnosticMessageChain messageChain)
{
Contract.Requires(messageChain != null);
m_messageChain = messageChain;
}
/// <summary>
/// Creates diagnostic for specific node with a message chain.
/// </summary>
public static Diagnostic CreateDiagnosticForNodeFromMessageChain([NotNull] INode node, [NotNull] DiagnosticMessageChain messageChain)
{
var sourceFile = NodeStructureExtensions.GetSourceFile(node);
var span = DiagnosticUtilities.GetErrorSpanForNode(sourceFile, node);
Message message = messageChain.Next != null ? messageChain : (Message)messageChain.MessageText;
return(new Diagnostic(
sourceFile,
span.Start,
span.Length,
message,
messageChain.Category,
messageChain.Code));
}
