private string TreeToString(SyntaxNodeOrToken syntaxNodeOrToken, CodeActionValidationMode validationMode)
{
var result = new StringBuilder();
TreeToString(syntaxNodeOrToken, string.Empty, validationMode, result);
return(result.ToString());
}
private void TreeToString(SyntaxNodeOrToken syntaxNodeOrToken, string indent, CodeActionValidationMode validationMode, StringBuilder result)
{
if (syntaxNodeOrToken.IsNode)
{
result.AppendLine($"{indent}Node({Kind(syntaxNodeOrToken.RawKind)}):");
var childIndent = indent + " ";
foreach (var child in syntaxNodeOrToken.ChildNodesAndTokens())
{
TreeToString(child, childIndent, validationMode, result);
}
}
else
{
var syntaxToken = syntaxNodeOrToken.AsToken();
result.AppendLine($"{indent}Token({Kind(syntaxToken.RawKind)}): {Escape(syntaxToken.Text)}");
if (validationMode == CodeActionValidationMode.Full)
{
var childIndent = indent + " ";
foreach (var trivia in syntaxToken.LeadingTrivia)
{
if (trivia.HasStructure)
{
result.AppendLine($"{childIndent}Leading({Kind(trivia.RawKind)}):");
TreeToString(trivia.GetStructure(), childIndent + " ", validationMode, result);
}
else
{
result.AppendLine($"{childIndent}Leading({Kind(trivia.RawKind)}): {Escape(trivia.ToString())}");
}
}
foreach (var trivia in syntaxToken.TrailingTrivia)
{
if (trivia.HasStructure)
{
result.AppendLine($"{childIndent}Trailing({Kind(trivia.RawKind)}):");
TreeToString(trivia.GetStructure(), childIndent + " ", validationMode, result);
}
else
{
result.AppendLine($"{childIndent}Trailing({Kind(trivia.RawKind)}): {Escape(trivia.ToString())}");
}
}
}
}
// Local functions
string Escape(string text)
{
return(text
.Replace("\\", "\\\\")
.Replace("\t", "\\t")
.Replace("\r", "\\r")
.Replace("\n", "\\n"));
}
string Kind(int syntaxKind)
{
if (SyntaxKindType.GetTypeInfo()?.IsEnum ?? false)
{
return(Enum.Format(SyntaxKindType, (ushort)syntaxKind, "G"));
}
else
{
return(syntaxKind.ToString());
}
}
}
public static CodeFixTest <TVerifier> With <TVerifier>(this CodeFixTest <TVerifier> test, CodeActionValidationMode mode)
where TVerifier : IVerifier, new()
{
test.CodeActionValidationMode = mode;
return(test);
}
