1 files changed, 67 insertions, 0 deletions
diff --git a/src/mscorlib/src/System/Diagnostics/SymbolStore/ISymReader.cs b/src/mscorlib/src/System/Diagnostics/SymbolStore/ISymReader.cs
new file mode 100644
index 0000000000..e2063b9253
--- /dev/null
+++ b/src/mscorlib/src/System/Diagnostics/SymbolStore/ISymReader.cs
@@ -0,0 +1,67 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+/*============================================================
+**
+**
+**
+** Represents a symbol reader for managed code. Provides access to
+** documents, methods, and variables.
+**
+** 
+===========================================================*/
+namespace System.Diagnostics.SymbolStore {
+    // Interface does not need to be marked with the serializable attribute
+    using System;
+    using System.Runtime.InteropServices;
+
+
+[System.Runtime.InteropServices.ComVisible(true)]
+    public interface ISymbolReader
+    {
+        // Find a document. Language, vendor, and document type are
+        // optional.
+        ISymbolDocument GetDocument(String url,
+                                        Guid language,
+                                        Guid languageVendor,
+                                        Guid documentType);
+    
+        // Return an array of all of the documents defined in the symbol
+        // store.
+        ISymbolDocument[] GetDocuments();
+    
+        // Return the method that was specified as the user entry point
+        // for the module, if any. This would be, perhaps, the user's main
+        // method rather than compiler generated stubs before main.
+        SymbolToken UserEntryPoint { get; }
+    
+        // Get a symbol reader method given the id of a method.
+        ISymbolMethod GetMethod(SymbolToken method);
+    
+        // Get a symbol reader method given the id of a method and an E&C
+        // version number. Version numbers start a 1 and are incremented
+        // each time the method is changed due to an E&C operation.
+        ISymbolMethod GetMethod(SymbolToken method, int version);
+    
+        // Return a non-local variable given its parent and name.
+        ISymbolVariable[] GetVariables(SymbolToken parent);
+    
+        // Return a non-local variable given its parent and name.
+        ISymbolVariable[] GetGlobalVariables();
+    
+        // Given a position in a document, return the ISymbolMethod that
+        // contains that position.
+        ISymbolMethod GetMethodFromDocumentPosition(ISymbolDocument document,
+                                                        int line,
+                                                        int column);
+        
+        // Gets a custom attribute based upon its name. Not to be
+        // confused with Metadata custom attributes, these attributes are
+        // held in the symbol store.
+        byte[] GetSymAttribute(SymbolToken parent, String name);
+    
+        // Get the namespaces defined at global scope within this symbol store.
+        ISymbolNamespace[] GetNamespaces();
+    }
+  
+}