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nub31
2025-06-01 01:50:07 +02:00
parent 97a90652f6
commit be8bb91229
4 changed files with 39 additions and 26 deletions
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3
src/lang/Nub.Lang/Frontend/Diagnostics/ConsoleColors.cs
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@@ -139,8 +139,9 @@ public static class ConsoleColors
}
}
public static string ColorizeSource(SourceText sourceText)
public static string ColorizeSource(string source)
{
var sourceText = new SourceText(string.Empty, source);
var tokens = Lexer.Tokenize(sourceText).Value;
var result = new StringBuilder();
var lastCharIndex = 0;

59
src/lang/Nub.Lang/Frontend/Diagnostics/Diagnostic.cs
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@@ -77,18 +77,18 @@ public class Diagnostic
}
sb.Append(": ");
sb.AppendLine(ConsoleColors.Colorize(Message, ConsoleColors.BrightWhite));
sb.Append(ConsoleColors.Colorize(Message, ConsoleColors.BrightWhite));
if (Span.HasValue)
{
sb.AppendLine();
AppendSourceContext(sb, Span.Value);
}
if (!string.IsNullOrEmpty(Help))
{
sb.AppendLine();
var helpText = $"help: {Help}";
sb.AppendLine(ConsoleColors.Colorize(helpText, ConsoleColors.Cyan));
sb.Append(ConsoleColors.Colorize($"help: {Help}", ConsoleColors.Cyan));
}
return sb.ToString();
@@ -113,50 +113,61 @@ public class Diagnostic
const int contextLines = 3;
if (startLine < 1 || startLine > lines.Length || endLine < 1 || endLine > lines.Length)
{
return;
}
var maxLineNum = Math.Min(endLine + contextLines, lines.Length);
var lineNumWidth = maxLineNum.ToString().Length;
var lineNumWidth = Math.Min(endLine + contextLines, lines.Length).ToString().Length;
var contextStart = Math.Max(1, startLine - contextLines);
var contextEnd = Math.Min(lines.Length, endLine + contextLines);
var contextWidth = 0;
for (var i = contextStart; i < contextEnd; i++)
{
if (lines[i - 1].Length > contextWidth)
{
contextWidth = lines[i - 1].Length;
}
}
sb.AppendLine(ConsoleColors.Colorize('╭' + new string('─', lineNumWidth + 2) + '┬' + new string('─', contextWidth + 2) + '╮', ConsoleColors.Faint));
for (var lineNum = contextStart; lineNum < startLine; lineNum++)
{
var line = ConsoleColors.ColorizeSource(new SourceText(span.Text.Name, lines[lineNum - 1]));
AppendContextLine(sb, lineNum, line, lineNumWidth);
AppendContextLine(sb, lineNum, lines[lineNum - 1], lineNumWidth, contextWidth);
}
for (var lineNum = startLine; lineNum <= endLine; lineNum++)
{
var line = ConsoleColors.ColorizeSource(new SourceText(span.Text.Name, lines[lineNum - 1]));
AppendContextLine(sb, lineNum, line, lineNumWidth);
AppendErrorIndicators(sb, span, lineNum, line, lineNumWidth);
AppendContextLine(sb, lineNum, lines[lineNum - 1], lineNumWidth, contextWidth);
AppendErrorIndicators(sb, span, lineNum, lines[lineNum - 1], lineNumWidth, contextWidth);
}
var contextEnd = Math.Min(lines.Length, endLine + contextLines);
for (var lineNum = endLine + 1; lineNum <= contextEnd; lineNum++)
{
var line = ConsoleColors.ColorizeSource(new SourceText(span.Text.Name, lines[lineNum - 1]));
AppendContextLine(sb, lineNum, line, lineNumWidth);
AppendContextLine(sb, lineNum, lines[lineNum - 1], lineNumWidth, contextWidth);
}
sb.Append(ConsoleColors.Colorize('╰' + new string('─', lineNumWidth + 2) + '┴' + new string('─', contextWidth + 2) + '╯', ConsoleColors.Faint));
}
private static void AppendContextLine(StringBuilder sb, int lineNum, string line, int lineNumWidth)
private static void AppendContextLine(StringBuilder sb, int lineNum, string line, int lineNumWidth, int contextWidth)
{
sb.Append(ConsoleColors.Colorize('│' + " ", ConsoleColors.Faint));
var lineNumStr = lineNum.ToString().PadLeft(lineNumWidth);
sb.Append(ConsoleColors.Colorize(lineNumStr, ConsoleColors.Faint));
sb.Append(ConsoleColors.Colorize(" | ", ConsoleColors.Faint));
sb.AppendLine(line);
sb.Append(ConsoleColors.Colorize(" │ ", ConsoleColors.Faint));
sb.Append(ConsoleColors.ColorizeSource(line.PadRight(contextWidth)));
sb.Append(ConsoleColors.Colorize(" " + '│', ConsoleColors.Faint));
sb.AppendLine();
}
private static void AppendErrorIndicators(StringBuilder sb, SourceSpan span, int lineNum, string line, int lineNumWidth)
private static void AppendErrorIndicators(StringBuilder sb, SourceSpan span, int lineNum, string line, int lineNumWidth, int contextWidth)
{
sb.Append(new string(' ', lineNumWidth + 3));
sb.Append(ConsoleColors.Colorize('│' + " ", ConsoleColors.Faint));
sb.Append(new string(' ', lineNumWidth));
sb.Append(ConsoleColors.Colorize(" │ ", ConsoleColors.Faint));
var indicators = GetIndicatorsForLine(span, lineNum, line);
sb.AppendLine(ConsoleColors.Colorize(indicators, ConsoleColors.Red));
sb.Append(ConsoleColors.Colorize(indicators.PadRight(contextWidth), ConsoleColors.Red));
sb.Append(ConsoleColors.Colorize(" " + '│', ConsoleColors.Faint));
sb.AppendLine();
}
private static string GetIndicatorsForLine(SourceSpan span, int lineNum, string line)

1
src/lang/Nub.Lang/Frontend/Diagnostics/DiagnosticsResult.cs
View File

@@ -9,6 +9,7 @@ public class DiagnosticsResult(List<Diagnostic> diagnostics)
foreach (var diagnostic in diagnostics)
{
Console.Error.WriteLine(diagnostic.Format());
Console.Error.WriteLine();
}
}
}