Expose code builder on generator result, and some tidying up

src/Microsoft.AspNet.Razor/Generator/CodeBuilderContext.cs

@@ -56,4 +56,4 @@ namespace Microsoft.AspNet.Razor.Generator
         /// </summary>
         public string Checksum { get; set; }
     }
-}
+}

src/Microsoft.AspNet.Razor/Generator/Compiler/CodeTree/CodeTreeBuilder.cs

@@ -1,9 +1,7 @@
 // Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using Microsoft.AspNet.Razor.Parser.SyntaxTree;
 
 namespace Microsoft.AspNet.Razor.Generator.Compiler

src/Microsoft.AspNet.Razor/GeneratorResults.cs

@@ -9,32 +9,38 @@ namespace Microsoft.AspNet.Razor
 {
     public class GeneratorResults : ParserResults
     {
-        public GeneratorResults(ParserResults parserResults, CodeBuilderResult codeBuilderResult)
+        public GeneratorResults(ParserResults parserResults, CodeBuilderResult codeBuilderResult, CodeTree codeTree)
             : this(parserResults.Document, 
                    parserResults.ParserErrors, 
-                   codeBuilderResult)
+                   codeBuilderResult,
+                   codeTree)
         {
         }
 
         public GeneratorResults(Block document,
                                 IList<RazorError> parserErrors,
-                                CodeBuilderResult codeBuilderResult)
-            : this(parserErrors.Count == 0, document, parserErrors, codeBuilderResult)
+                                CodeBuilderResult codeBuilderResult,
+                                CodeTree codeTree)
+            : this(parserErrors.Count == 0, document, parserErrors, codeBuilderResult, codeTree)
         {
         }
 
         protected GeneratorResults(bool success,
                                    Block document,
                                    IList<RazorError> parserErrors,
-                                   CodeBuilderResult codeBuilderResult)
+                                   CodeBuilderResult codeBuilderResult,
+                                   CodeTree codeTree)
             : base(success, document, parserErrors)
         {
             GeneratedCode = codeBuilderResult.Code;
             DesignTimeLineMappings = codeBuilderResult.DesignTimeLineMappings;
+            CodeTree = codeTree;
         }
 
         public string GeneratedCode { get; private set; }
 
         public IList<LineMapping> DesignTimeLineMappings { get; private set; }
+
+        public CodeTree CodeTree { get; private set; }
     }
 }

src/Microsoft.AspNet.Razor/RazorEngineHost.cs

@@ -6,7 +6,6 @@ using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.AspNet.Razor.Generator;
 using Microsoft.AspNet.Razor.Generator.Compiler;
-using Microsoft.AspNet.Razor.Generator.Compiler.CSharp;
 using Microsoft.AspNet.Razor.Parser;
 using Microsoft.AspNet.Razor.TagHelpers;
 

src/Microsoft.AspNet.Razor/RazorTemplateEngine.cs

@@ -243,12 +243,12 @@ namespace Microsoft.AspNet.Razor
             rootNamespace = (rootNamespace ?? Host.DefaultNamespace) ?? DefaultNamespace;
 
             // Run the parser
-            RazorParser parser = CreateParser();
+            var parser = CreateParser();
             Debug.Assert(parser != null);
-            ParserResults results = parser.Parse(input);
+            var results = parser.Parse(input);
 
             // Generate code
-            RazorCodeGenerator generator = CreateCodeGenerator(className, rootNamespace, sourceFileName);
+            var generator = CreateCodeGenerator(className, rootNamespace, sourceFileName);
             generator.DesignTimeMode = Host.DesignTimeMode;
             generator.Visit(results);
 
@@ -258,7 +258,7 @@ namespace Microsoft.AspNet.Razor
             var builderResult = builder.Build();
 
             // Collect results and return
-            return new GeneratorResults(results, builderResult);
+            return new GeneratorResults(results, builderResult, codeBuilderContext.CodeTreeBuilder.CodeTree);
         }
 
         protected internal virtual RazorCodeGenerator CreateCodeGenerator(string className, string rootNamespace, string sourceFileName)