Namespace cleanup, move some categories out of UI namespace

src/CSConsole/Lexers/CommentLexer.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+
+namespace UnityExplorer.CSConsole.Lexers
+{
+    public class CommentLexer : Lexer
+    {
+        private enum CommentType
+        {
+            Line,
+            Block
+        }
+
+        // forest green
+        protected override Color HighlightColor => new Color(0.34f, 0.65f, 0.29f, 1.0f);
+
+        public override bool TryMatchCurrent(LexerBuilder lexer)
+        {
+            if (lexer.Current == '/')
+            {
+                lexer.PeekNext();
+                if (lexer.Current == '/')
+                {
+                    // line comment. read to end of line or file.
+                    do
+                    {
+                        lexer.Commit();
+                        lexer.PeekNext();
+                    }
+                    while (!lexer.EndOrNewLine);
+
+                    return true;
+                }
+                else if (lexer.Current == '*')
+                {
+                    // block comment, read until end of file or closing '*/'
+                    lexer.PeekNext();
+                    do
+                    {
+                        lexer.PeekNext();
+                        lexer.Commit();
+                    }
+                    while (!lexer.EndOfInput && !(lexer.Current == '/' && lexer.Previous == '*'));
+
+                    return true;
+                }
+            }
+
+            return false;
+        }
+    }
+}