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c generator

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nub31
2025-10-16 13:44:19 +02:00
parent 4ca2b39652
commit f7f32b8d23
11 changed files with 814 additions and 117 deletions
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205
compiler/NubLang/Diagnostics/Diagnostic.cs
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@@ -82,114 +82,121 @@ public class Diagnostic
public string FormatANSI()
{
var sb = new StringBuilder();
sb.Append(Severity switch
try
{
DiagnosticSeverity.Error => ConsoleColors.Colorize("error", ConsoleColors.Bold + ConsoleColors.Red),
DiagnosticSeverity.Warning => ConsoleColors.Colorize("warning", ConsoleColors.Bold + ConsoleColors.Yellow),
DiagnosticSeverity.Info => ConsoleColors.Colorize("info", ConsoleColors.Bold + ConsoleColors.Blue),
_ => ConsoleColors.Colorize("unknown", ConsoleColors.Bold + ConsoleColors.White)
});
var sb = new StringBuilder();
if (Span.HasValue)
{
sb.Append(ConsoleColors.Colorize($" at {Span.Value}", ConsoleColors.Faint));
}
sb.Append(": ");
sb.Append(ConsoleColors.Colorize(Message, ConsoleColors.BrightWhite));
if (Span.HasValue)
{
sb.AppendLine();
var text = File.ReadAllText(Span.Value.FilePath);
var lines = text.Split('\n');
var startLine = Span.Value.Start.Line;
var endLine = Span.Value.End.Line;
const int CONTEXT_LINES = 3;
var contextStartLine = Math.Max(1, startLine - CONTEXT_LINES);
var contextEndLine = Math.Min(lines.Length, endLine + CONTEXT_LINES);
var numberPadding = contextEndLine.ToString().Length;
var codePadding = lines.Skip(contextStartLine - 1).Take(contextEndLine - contextStartLine + 1).Max(x => x.Length);
sb.Append('╭');
sb.Append(new string('─', numberPadding + 2));
sb.Append('┬');
sb.Append(new string('─', codePadding + 2));
sb.Append('╮');
sb.AppendLine();
var tokenizer = new Tokenizer(Span.Value.FilePath, text);
tokenizer.Tokenize();
for (var i = contextStartLine; i <= contextEndLine; i++)
sb.Append(Severity switch
{
var line = lines[i - 1];
DiagnosticSeverity.Error => ConsoleColors.Colorize("error", ConsoleColors.Bold + ConsoleColors.Red),
DiagnosticSeverity.Warning => ConsoleColors.Colorize("warning", ConsoleColors.Bold + ConsoleColors.Yellow),
DiagnosticSeverity.Info => ConsoleColors.Colorize("info", ConsoleColors.Bold + ConsoleColors.Blue),
_ => ConsoleColors.Colorize("unknown", ConsoleColors.Bold + ConsoleColors.White)
});
sb.Append("│ ");
sb.Append(i.ToString().PadRight(numberPadding));
sb.Append(" │ ");
sb.Append(ApplySyntaxHighlighting(line.PadRight(codePadding), i, tokenizer.Tokens));
sb.Append(" │");
sb.AppendLine();
if (i >= startLine && i <= endLine)
{
var markerStartColumn = 1;
var markerEndColumn = line.Length;
if (i == startLine)
{
markerStartColumn = Math.Min(Span.Value.Start.Column, 1);
}
if (i == endLine)
{
markerEndColumn = Math.Min(Span.Value.End.Column, line.Length);
}
var markerLength = markerEndColumn - markerStartColumn;
var marker = new string('^', markerLength);
var markerColor = Severity switch
{
DiagnosticSeverity.Info => ConsoleColors.Blue,
DiagnosticSeverity.Warning => ConsoleColors.Yellow,
DiagnosticSeverity.Error => ConsoleColors.Red,
_ => ConsoleColors.White
};
sb.Append("│ ");
sb.Append(new string(' ', numberPadding));
sb.Append(" │ ");
sb.Append(new string(' ', markerStartColumn - 1));
sb.Append(ConsoleColors.Colorize(marker, markerColor));
sb.Append(new string(' ', codePadding - markerEndColumn + 1));
sb.Append(" │");
sb.AppendLine();
}
if (Span.HasValue)
{
sb.Append(ConsoleColors.Colorize($" at {Span.Value}", ConsoleColors.Faint));
}
sb.Append('╰');
sb.Append(new string('─', numberPadding + 2));
sb.Append('┴');
sb.Append(new string('─', codePadding + 2));
sb.Append('╯');
}
sb.Append(": ");
sb.Append(ConsoleColors.Colorize(Message, ConsoleColors.BrightWhite));
if (Help != null)
if (Span.HasValue)
{
sb.AppendLine();
var text = File.ReadAllText(Span.Value.FilePath);
var lines = text.Split('\n');
var startLine = Span.Value.Start.Line;
var endLine = Span.Value.End.Line;
const int CONTEXT_LINES = 3;
var contextStartLine = Math.Max(1, startLine - CONTEXT_LINES);
var contextEndLine = Math.Min(lines.Length, endLine + CONTEXT_LINES);
var numberPadding = contextEndLine.ToString().Length;
var codePadding = lines.Skip(contextStartLine - 1).Take(contextEndLine - contextStartLine + 1).Max(x => x.Length);
sb.Append('╭');
sb.Append(new string('─', numberPadding + 2));
sb.Append('┬');
sb.Append(new string('─', codePadding + 2));
sb.Append('╮');
sb.AppendLine();
var tokenizer = new Tokenizer(Span.Value.FilePath, text);
tokenizer.Tokenize();
for (var i = contextStartLine; i <= contextEndLine; i++)
{
var line = lines[i - 1];
sb.Append("│ ");
sb.Append(i.ToString().PadRight(numberPadding));
sb.Append(" │ ");
sb.Append(ApplySyntaxHighlighting(line.PadRight(codePadding), i, tokenizer.Tokens));
sb.Append(" │");
sb.AppendLine();
if (i >= startLine && i <= endLine)
{
var markerStartColumn = 1;
var markerEndColumn = line.Length;
if (i == startLine)
{
markerStartColumn = Math.Min(Span.Value.Start.Column, 1);
}
if (i == endLine)
{
markerEndColumn = Math.Min(Span.Value.End.Column, line.Length);
}
var markerLength = markerEndColumn - markerStartColumn;
var marker = new string('^', markerLength);
var markerColor = Severity switch
{
DiagnosticSeverity.Info => ConsoleColors.Blue,
DiagnosticSeverity.Warning => ConsoleColors.Yellow,
DiagnosticSeverity.Error => ConsoleColors.Red,
_ => ConsoleColors.White
};
sb.Append("│ ");
sb.Append(new string(' ', numberPadding));
sb.Append(" │ ");
sb.Append(new string(' ', markerStartColumn - 1));
sb.Append(ConsoleColors.Colorize(marker, markerColor));
sb.Append(new string(' ', codePadding - markerEndColumn + 1));
sb.Append(" │");
sb.AppendLine();
}
}
sb.Append('╰');
sb.Append(new string('─', numberPadding + 2));
sb.Append('┴');
sb.Append(new string('─', codePadding + 2));
sb.Append('╯');
}
if (Help != null)
{
sb.AppendLine();
sb.Append(ConsoleColors.Colorize($"help: {Help}", ConsoleColors.Cyan));
}
return sb.ToString();
}
catch (Exception e)
{
sb.AppendLine();
sb.Append(ConsoleColors.Colorize($"help: {Help}", ConsoleColors.Cyan));
return ConsoleColors.Colorize("Failed to generate error message", ConsoleColors.Red);
}
return sb.ToString();
}
private static string ApplySyntaxHighlighting(string line, int lineNumber, List<Token> tokens)