Import code from previous AssetBuilder version

src/ZoneCodeGenerator/Parsing/Matching/MatchingContext.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace ZoneCodeGenerator.Parsing.Matching
+{
+    class MatchingContext
+    {
+        public ILexer Lexer { get; }
+
+        public bool Verbose { get; set; }
+
+        private readonly Dictionary<string, TokenMatcher> taggedMatchers;
+
+        public MatchingContext(ILexer lexer, Dictionary<string, TokenMatcher> taggedMatchers)
+        {
+            Lexer = lexer;
+            this.taggedMatchers = taggedMatchers;
+
+            #if DEBUG
+            Verbose = true;
+            #else
+            Verbose = false;
+            #endif
+        }
+
+        public TokenMatcher GetMatcherByTag(string tag)
+        {
+            return taggedMatchers.ContainsKey(tag) ? taggedMatchers[tag] : null;
+        }
+    }
+}