Clean

2025-09-29 19:04:09 +02:00
parent afea51a9c3
commit ed09fabd44
16 changed files with 120 additions and 129 deletions
--- a/compiler/NubLang/Diagnostics/SourceSpan.cs
+++ b/compiler/NubLang/Diagnostics/SourceSpan.cs
@@ -0,0 +1,112 @@
+namespace NubLang.Diagnostics;
+
+public readonly struct SourceSpan : IEquatable<SourceSpan>, IComparable<SourceSpan>
+{
+    public static SourceSpan Merge(params IEnumerable<SourceSpan> spans)
+    {
+        var spanArray = spans as SourceSpan[] ?? spans.ToArray();
+        if (spanArray.Length == 0)
+        {
+            return new SourceSpan(string.Empty, new SourceLocation(0, 0), new SourceLocation(0, 0));
+        }
+
+        var minStart = spanArray.Min(s => s.Start);
+        var maxEnd = spanArray.Max(s => s.End);
+
+        return new SourceSpan(spanArray[0].FilePath, minStart, maxEnd);
+    }
+
+    public SourceSpan(string filePath, SourceLocation start, SourceLocation end)
+    {
+        if (start > end)
+        {
+            throw new ArgumentException("Start location cannot be after end location");
+        }
+
+        FilePath = filePath;
+        Start = start;
+        End = end;
+    }
+
+    public string FilePath { get; }
+    public SourceLocation Start { get; }
+    public SourceLocation End { get; }
+
+    public override string ToString()
+    {
+        if (Start == End)
+        {
+            return $"{FilePath}:{Start}";
+        }
+
+        if (Start.Line == End.Line)
+        {
+            return Start.Column == End.Column ? $"{FilePath}:{Start}" : $"{FilePath}:{Start.Line}:{Start.Column}-{End.Column}";
+        }
+
+        return $"{FilePath}:{Start}-{End}";
+    }
+
+    public bool Equals(SourceSpan other) => Start == other.Start && End == other.End;
+    public override bool Equals(object? obj) => obj is SourceSpan other && Equals(other);
+    public override int GetHashCode() => HashCode.Combine(typeof(SourceSpan), Start, End);
+
+    public static bool operator ==(SourceSpan left, SourceSpan right) => Equals(left, right);
+    public static bool operator !=(SourceSpan left, SourceSpan right) => !Equals(left, right);
+
+    public static bool operator <(SourceSpan left, SourceSpan right) => left.CompareTo(right) < 0;
+    public static bool operator <=(SourceSpan left, SourceSpan right) => left.CompareTo(right) <= 0;
+    public static bool operator >(SourceSpan left, SourceSpan right) => left.CompareTo(right) > 0;
+    public static bool operator >=(SourceSpan left, SourceSpan right) => left.CompareTo(right) >= 0;
+
+    public int CompareTo(SourceSpan other)
+    {
+        var startComparison = Start.CompareTo(other.Start);
+        return startComparison != 0 ? startComparison : End.CompareTo(other.End);
+    }
+}
+
+public readonly struct SourceLocation : IEquatable<SourceLocation>, IComparable<SourceLocation>
+{
+    public SourceLocation(int line, int column)
+    {
+        Line = line;
+        Column = column;
+    }
+
+    public int Line { get; }
+    public int Column { get; }
+
+    public override string ToString()
+    {
+        return $"{Line}:{Column}";
+    }
+
+    public override bool Equals(object? obj)
+    {
+        return obj is SourceLocation other && Equals(other);
+    }
+
+    public bool Equals(SourceLocation other)
+    {
+        return Line == other.Line && Column == other.Column;
+    }
+
+    public override int GetHashCode()
+    {
+        return HashCode.Combine(typeof(SourceLocation), Line, Column);
+    }
+
+    public static bool operator ==(SourceLocation left, SourceLocation right) => Equals(left, right);
+    public static bool operator !=(SourceLocation left, SourceLocation right) => !Equals(left, right);
+    public static bool operator <(SourceLocation left, SourceLocation right) => left.Line < right.Line || (left.Line == right.Line && left.Column < right.Column);
+    public static bool operator >(SourceLocation left, SourceLocation right) => left.Line > right.Line || (left.Line == right.Line && left.Column > right.Column);
+    public static bool operator <=(SourceLocation left, SourceLocation right) => left.Line <= right.Line || (left.Line == right.Line && left.Column <= right.Column);
+    public static bool operator >=(SourceLocation left, SourceLocation right) => left.Line >= right.Line || (left.Line == right.Line && left.Column >= right.Column);
+
+    public int CompareTo(SourceLocation other)
+    {
+        var lineComparison = Line.CompareTo(other.Line);
+        return lineComparison != 0 ? lineComparison : Column.CompareTo(other.Column);
+    }
+}