Move ICompilationException to Diagnostics

Fixes #220

src/Microsoft.AspNet.Diagnostics.Abstractions/CompilationFailure.cs

@@ -0,0 +1,46 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System.Collections.Generic;
+
+namespace Microsoft.AspNet.Diagnostics
+{
+    /// <summary>
+    /// Describes a failure compiling a specific file.
+    /// </summary>
+    public class CompilationFailure
+    {
+        public CompilationFailure(string sourceFilePath, string sourceFileContent, string compiledContent, IEnumerable<DiagnosticMessage> messages)
+        {
+            SourceFilePath = sourceFilePath;
+            SourceFileContent = sourceFileContent;
+            CompiledContent = compiledContent;
+            Messages = messages;
+        }
+
+        /// <summary>
+        /// Path of the file that produced the compilation failure.
+        /// </summary>
+        public string SourceFilePath { get; }
+
+        /// <summary>
+        /// Contents of the file.
+        /// </summary>
+        public string SourceFileContent { get; }
+
+        /// <summary>
+        /// Contents being compiled.
+        /// </summary>
+        /// <remarks>
+        /// For templated files, the <see cref="SourceFileContent"/> represents the original content and
+        /// <see cref="CompiledContent"/> represents the transformed content. This property can be null if
+        /// the exception is encountered during transformation.
+        /// </remarks>
+        public string CompiledContent { get; }
+
+        /// <summary>
+        /// Gets a sequence of <see cref="DiagnosticMessage"/> produced as a result of compilation.
+        /// </summary>
+        public IEnumerable<DiagnosticMessage> Messages { get; }
+    }
+}

src/Microsoft.AspNet.Diagnostics.Abstractions/DiagnosticMessage.cs

@@ -0,0 +1,64 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+namespace Microsoft.AspNet.Diagnostics
+{
+    /// <summary>
+    /// A single diagnostic message.
+    /// </summary>
+    public class DiagnosticMessage
+    {
+        public DiagnosticMessage(
+            string message,
+            string formattedMessage,
+            string filePath,
+            int startLine,
+            int startColumn,
+            int endLine,
+            int endColumn)
+        {
+            Message = message;
+            SourceFilePath = filePath;
+            StartLine = startLine;
+            EndLine = endLine;
+            StartColumn = startColumn;
+            EndColumn = endColumn;
+            FormattedMessage = formattedMessage;
+        }
+
+        /// <summary>
+        /// Path of the file that produced the message.
+        /// </summary>
+        public string SourceFilePath { get; }
+
+        /// <summary>
+        /// Gets the error message.
+        /// </summary>
+        public string Message { get; }
+
+        /// <summary>
+        /// Gets the one-based line index for the start of the compilation error.
+        /// </summary>
+        public int StartLine { get; }
+
+        /// <summary>
+        /// Gets the zero-based column index for the start of the compilation error.
+        /// </summary>
+        public int StartColumn { get; }
+
+        /// <summary>
+        /// Gets the one-based line index for the end of the compilation error.
+        /// </summary>
+        public int EndLine { get; }
+
+        /// <summary>
+        /// Gets the zero-based column index for the end of the compilation error.
+        /// </summary>
+        public int EndColumn { get; }
+
+        /// <summary>
+        /// Gets the formatted error message.
+        /// </summary>
+        public string FormattedMessage { get; }
+    }
+}

src/Microsoft.AspNet.Diagnostics.Abstractions/ICompilationException.cs

@@ -0,0 +1,22 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System.Collections.Generic;
+
+namespace Microsoft.AspNet.Diagnostics
+{
+    /// <summary>
+    /// Specifies the contract for an exception representing compilation failure.
+    /// </summary>
+    /// <remarks>
+    /// This interface is implemented on exceptions thrown during compilation to enable consumers
+    /// to read compilation-related data out of the exception
+    /// </remarks>
+    public interface ICompilationException
+    {
+        /// <summary>
+        /// Gets a sequence of <see cref="CompilationFailure"/> with compilation failures.
+        /// </summary>
+        IEnumerable<CompilationFailure> CompilationFailures { get; }
+    }
+}

src/Microsoft.AspNet.Diagnostics/DeveloperExceptionPage/DeveloperExceptionPageMiddleware.cs

@@ -12,7 +12,6 @@ using System.Threading.Tasks;
 using Microsoft.AspNet.Diagnostics.Views;
 using Microsoft.AspNet.FileProviders;
 using Microsoft.AspNet.Http;
-using Microsoft.Extensions.CompilationAbstractions;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.PlatformAbstractions;
 using StackFrame = Microsoft.AspNet.Diagnostics.Views.StackFrame;
@@ -116,7 +115,8 @@ namespace Microsoft.AspNet.Diagnostics
             return DisplayRuntimeException(context, ex);
         }
 
-        private Task DisplayCompilationException(HttpContext context,
+        private Task DisplayCompilationException(
+            HttpContext context,
                                                  ICompilationException compilationException)
         {
             var model = new CompilationErrorPageModel
@@ -131,7 +131,8 @@ namespace Microsoft.AspNet.Diagnostics
                 {
                     StackFrames = stackFrames
                 };
-                var fileContent = compilationFailure.SourceFileContent
+                var fileContent = compilationFailure
+                    .SourceFileContent
                                                     .Split(new[] { Environment.NewLine }, StringSplitOptions.None);
 
                 foreach (var item in compilationFailure.Messages)

src/Microsoft.AspNet.Diagnostics/project.json

@@ -14,9 +14,9 @@
     "Microsoft.AspNet.FileProviders.Physical": "1.0.0-*",
     "Microsoft.AspNet.Http.Extensions": "1.0.0-*",
     "Microsoft.AspNet.WebUtilities": "1.0.0-*",
-    "Microsoft.Extensions.CompilationAbstractions": "1.0.0-*",
     "Microsoft.Extensions.Logging.Abstractions": "1.0.0-*",
     "Microsoft.Extensions.OptionsModel": "1.0.0-*",
+    "Microsoft.Extensions.PlatformAbstractions": "1.0.0-*",
     "Microsoft.Extensions.WebEncoders": "1.0.0-*",
     "System.Diagnostics.DiagnosticSource": "4.0.0-*"
   },