Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Compilation/MasterPageCodeDomTreeGenerator.cs

@@ -0,0 +1,47 @@
+//------------------------------------------------------------------------------
+// <copyright file="MasterPageCodeDomTreeGenerator.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.Compilation {
+
+    using System;
+    using System.CodeDom;
+    using System.Globalization;
+    using System.Web.UI;
+
+    internal class MasterPageCodeDomTreeGenerator : TemplateControlCodeDomTreeGenerator {
+
+        private const string _masterPropertyName = "Master";
+        protected MasterPageParser _masterPageParser;
+        MasterPageParser Parser { get { return _masterPageParser; } }
+
+        internal MasterPageCodeDomTreeGenerator(MasterPageParser parser) : base(parser) {
+            _masterPageParser = parser;
+        }
+
+        protected override void BuildDefaultConstructor() {
+            base.BuildDefaultConstructor();
+
+            foreach(string placeHolderID in Parser.PlaceHolderList) {
+                BuildAddContentPlaceHolderNames(_ctor, placeHolderID);
+            }
+        }
+
+        private void BuildAddContentPlaceHolderNames(CodeMemberMethod method, string placeHolderID) {
+            CodePropertyReferenceExpression propertyExpr = new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), "ContentPlaceHolders");
+            CodeExpressionStatement stmt = new CodeExpressionStatement();
+            stmt.Expression = new CodeMethodInvokeExpression(propertyExpr, "Add", new CodePrimitiveExpression(placeHolderID.ToLower(CultureInfo.InvariantCulture)));
+
+            method.Statements.Add(stmt);
+        }
+
+        protected override void BuildMiscClassMembers() {
+            base.BuildMiscClassMembers();
+
+            if (Parser.MasterPageType != null)
+                BuildStronglyTypedProperty(_masterPropertyName, Parser.MasterPageType);
+        }
+    }
+}