Add more flexibility to Breakpoint

UIX/Microsoft/Iris/Debug/Data/Breakpoint.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Text;
+
+namespace Microsoft.Iris.Debug.Data;
+
+public struct Breakpoint : IEquatable<Breakpoint>
+{
+    public Breakpoint(string uri, int line, int column, bool enabled = true) : this(uri, enabled)
+    {
+        Line = line;
+        Column = column;
+    }
+
+    public Breakpoint(string uri, uint offset, bool enabled = true) : this(uri, enabled)
+    {
+        Offset = offset;
+    }
+
+    private Breakpoint(string uri, bool enabled)
+    {
+        Uri = uri;
+        Enabled = enabled;
+    }
+
+    public string Uri { get; set; }
+
+    public int Line { get; set; } = -1;
+
+    public int Column { get; set; } = -1;
+
+    public uint Offset { get; set; } = uint.MaxValue;
+
+    public bool Enabled { get; set; }
+
+    public bool Equals(string uri, int line, int column) => uri == Uri && line == Line && column == Column;
+
+    public bool Equals(Breakpoint other) => Equals(other.Uri, other.Line, other.Column);
+
+    public static bool operator ==(Breakpoint left, Breakpoint right) => left.Equals(right);
+
+    public static bool operator !=(Breakpoint left, Breakpoint right) => !(left == right);
+
+    public override bool Equals(object obj) => obj is Breakpoint bp && Equals(bp);
+
+    public override string ToString()
+    {
+        StringBuilder sb = new();
+
+        sb.Append(Enabled ? '+' : '-');
+        sb.Append(' ');
+        sb.Append(Uri);
+        sb.Append(' ');
+
+        if (Line >= 0 && Column >= 0)
+            sb.Append($"({Line}, {Column})");
+        else
+            sb.Append($"0x{Offset:X}");
+
+        return sb.ToString();
+    }
+
+    public override int GetHashCode() => ToString().GetHashCode();
+}