Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

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

@@ -0,0 +1,143 @@
+//------------------------------------------------------------------------------
+// <copyright file="SimpleHandlerBuildProvider.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+
+
+namespace System.Web.Compilation {
+
+using System;
+using System.IO;
+using System.Collections;
+using System.Reflection;
+using System.CodeDom;
+using System.CodeDom.Compiler;
+using System.Web.Configuration;
+using System.Web.Util;
+using System.Web.UI;
+
+[BuildProviderAppliesTo(BuildProviderAppliesTo.Web)]
+internal abstract class SimpleHandlerBuildProvider: InternalBuildProvider {
+    private SimpleWebHandlerParser _parser;
+
+    internal override IAssemblyDependencyParser AssemblyDependencyParser {
+        get { return _parser; }
+    }
+
+    protected abstract SimpleWebHandlerParser CreateParser();
+
+    public override CompilerType CodeCompilerType {
+        get {
+            Debug.Assert(_parser == null);
+
+            _parser = CreateParser();
+            _parser.SetBuildProvider(this);
+            _parser.IgnoreParseErrors = IgnoreParseErrors;
+
+            _parser.Parse(ReferencedAssemblies);
+
+            return _parser.CompilerType;
+        }
+    }
+
+    protected internal override CodeCompileUnit GetCodeCompileUnit(out IDictionary linePragmasTable) {
+        Debug.Assert(_parser != null);
+
+        CodeCompileUnit ccu = _parser.GetCodeModel();
+        linePragmasTable = _parser.GetLinePragmasTable();
+
+        return ccu;
+    }
+
+    public override void GenerateCode(AssemblyBuilder assemblyBuilder) {
+
+        CodeCompileUnit codeCompileUnit = _parser.GetCodeModel();
+
+        // Bail if we have nothing we need to compile
+        if (codeCompileUnit == null)
+            return;
+
+        assemblyBuilder.AddCodeCompileUnit(this, codeCompileUnit);
+
+        // Add all the assemblies
+        if (_parser.AssemblyDependencies != null) {
+            foreach (Assembly assembly in _parser.AssemblyDependencies) {
+                assemblyBuilder.AddAssemblyReference(assembly, codeCompileUnit);
+            }
+        }
+
+        // NOTE: we can't actually generate the fast factory because it would give
+        // a really bad error if the user specifies a classname which doesn't match
+        // the actual class they define.  A bit unfortunate, but not that big a deal...
+
+        // tell the host to generate a fast factory for this type (if any)
+        //string generatedTypeName = _parser.GeneratedTypeName;
+        //if (generatedTypeName != null)
+        //    assemblyBuilder.GenerateTypeFactory(generatedTypeName);
+    }
+
+    public override Type GetGeneratedType(CompilerResults results) {
+
+        Type t;
+
+        if (_parser.HasInlineCode) {
+
+            // This is the case where the asmx/ashx has code in the file, and it
+            // has been compiled.
+
+            Debug.Assert(results != null);
+
+            t = _parser.GetTypeToCache(results.CompiledAssembly);
+        }
+        else {
+
+            // This is the case where the asmx/ashx has no code and is simply
+            // pointing to an existing assembly.  Set the UsesExistingAssembly
+            // flag accordingly.
+
+            t = _parser.GetTypeToCache(null);
+        }
+
+        return t;
+    }
+
+    public override ICollection VirtualPathDependencies {
+        get {
+            return _parser.SourceDependencies;
+        }
+    }
+
+    internal CompilerType GetDefaultCompilerTypeForLanguageInternal(string language) {
+        return GetDefaultCompilerTypeForLanguage(language);
+    }
+
+    internal CompilerType GetDefaultCompilerTypeInternal() {
+        return GetDefaultCompilerType();
+    }
+
+    internal TextReader OpenReaderInternal() {
+        return OpenReader();
+    }
+
+    internal override ICollection GetGeneratedTypeNames() {
+        // Note that _parser.TypeName does not necessarily point to the type defined in the handler file,
+        // it could be any type that can be referenced at runtime, App_Code for example.
+        return new SingleObjectCollection(_parser.TypeName);
+    }
+}
+
+internal class WebServiceBuildProvider: SimpleHandlerBuildProvider {
+    protected override SimpleWebHandlerParser CreateParser() {
+        return new WebServiceParser(VirtualPath);
+    }
+}
+
+internal class WebHandlerBuildProvider: SimpleHandlerBuildProvider {
+    protected override SimpleWebHandlerParser CreateParser() {
+        return new WebHandlerParser(VirtualPath);
+    }
+}
+
+}