private void PrettyPrint(TextWriter writer, SyntaxNode node, string indent = "", bool isLast = true)
{
var marker = isLast ? "└──" : "├──";
var token = node as SyntaxToken;
writer.ColorWrite(indent, ConsoleColor.White);
writer.ColorWrite(marker, ConsoleColor.White);
if (token is null)
{
writer.ColorWrite(node.Kind, ConsoleColor.White);
}
else
{
writer.ColorWrite(token.TokenKind);
var colorized = ColorizedText.ColorizeToken(token, null);
writer.ColorWrite(" ");
writer.ColorWrite(token.Location.ToString(), colorized.Color);
}
writer.WriteLine();
indent += isLast ? " " : "│ ";
var lastChild = node.GetChildren().LastOrDefault();
foreach (var child in node.GetChildren())
{
PrettyPrint(writer, child, indent, child == lastChild);
}
}
public static void WriteDiagnostic(this TextWriter writer, Diagnostic diagnostic)
{
var reportColor = diagnostic.Level == ErrorLevel.Error ? ConsoleColor.Red : ConsoleColor.Yellow;
var errType = diagnostic.Level == ErrorLevel.Error ? "Error" : "Warning";
if (diagnostic.HasPositon)
{
var lineStart = diagnostic.Location.StartLine;
var lineEnd = diagnostic.Location.EndLine;
var columnStart = diagnostic.Location.StartCharacter + 1;
var columnEnd = diagnostic.Location.EndCharacter + 1;
var file = diagnostic.Location.Text.File ?? "<string>";
writer.WriteLine();
writer.ColorWrite($"{errType} in {file} line [{lineStart},{lineEnd}] column [{columnStart},{columnEnd}]: {diagnostic.Message}", reportColor);
writer.WriteLine();
}
else
{
writer.ColorWrite($"{errType}: {diagnostic.Message}\n", ConsoleColor.Red);
}
}
public void WriteControlFlowGraph(TextWriter writer, string functionName)
{
if (Diagnostics.HasErrors)
{
return;
}
var symbols = program.Functions.Keys.Where(s => s.Name == functionName);
if (!symbols.Any())
{
writer.ColorWrite($"The function {functionName} does not exist.", ConsoleColor.Red);
}
var cfg = ControlFlowGraph.Create(program.Functions[symbols.First()]);
cfg.WriteTo(writer);
}
public void WriteBoundTree(TextWriter writer, string?functionName = null)
{
if (functionName is null)
{
writer.WriteBoundNode(program);
}
else
{
var symbols = program.Functions.Keys.Where(s => s.Name == functionName);
if (!symbols.Any())
{
writer.ColorWrite($"The function {functionName} does not exist.", ConsoleColor.Red);
}
else
{
writer.WriteBoundNode(program.Functions[symbols.First()]);
writer.WriteLine();
}
}
}
