Fix escaping of paths in editor config

src/Basic.CompilerLog.UnitTests/ExportUtilTests.cs

@@ -191,7 +191,7 @@ public void GlobalConfigMapsPaths()
                 .Single();
 
             var found = false;
-            var pattern = $"[{path}";
+            var pattern = $"[{RoslynUtil.EscapeEditorConfigSectionPath(path)}";
             foreach (var line in File.ReadAllLines(configFilePath))
             {
                 if (line.StartsWith(pattern, StringComparison.Ordinal))

src/Basic.CompilerLog.UnitTests/RoslynUtilTests.cs

@@ -1,4 +1,5 @@
 using System.Drawing.Drawing2D;
+using System.Runtime.InteropServices;
 using Basic.CompilerLog.Util;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.Text;
@@ -148,27 +149,76 @@ public void IsGlobalConfig(IsGlobalConfigData data)
     [Fact]
     public void RewriteGlobalEditorConfigPaths()
     {
-        Core(
-            """
-            is_global = true
-            [c:\example.cs]
-            """,
-            """
-            is_global = true
-            [d:\example.cs]
-            """,
-            x => x.Replace("c:", "d:"));
-
-        Core(
-            """
-            is_global = true
-            [c:\example.cs]
-            """,
-            """
-            is_global = true
-            [c:\test.cs]
-            """,
-            x => x.Replace("example", "test"));
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            Core(
+                """
+                is_global = true
+                [c:/example.cs]
+                """,
+                """
+                is_global = true
+                [d:/example.cs]
+                """,
+                x => x.Replace("c:", "d:"));
+
+            Core(
+                """
+                is_global = true
+                [c:\example.cs]
+                """,
+                """
+                is_global = true
+                [d:/example.cs]
+                """,
+                x => x.Replace("c:", "d:"));
+
+            Core(
+                """
+                is_global = true
+                [c:\example.cs]
+                """,
+                """
+                is_global = true
+                [c:/test.cs]
+                """,
+                x => x.Replace("example", "test"));
+
+            Core(
+                """
+                is_global = true
+                [c:/example.cs]
+                """,
+                """
+                is_global = true
+                [c:/test.cs]
+                """,
+                x => x.Replace("example", "test"));
+        }
+        else
+        {
+            Core(
+                """
+                is_global = true
+                [/c/example.cs]
+                """,
+                """
+                is_global = true
+                [/d/example.cs]
+                """,
+                x => x.Replace("/c", "/d"));
+
+            Core(
+                """
+                is_global = true
+                [/c/example.cs]
+                """,
+                """
+                is_global = true
+                [/c/test.cs]
+                """,
+                x => x.Replace("example", "test"));
+        }
 
         void Core(string content, string expected, Func<string, string> mapFunc)
         {

src/Basic.CompilerLog.Util/RoslynUtil.cs

@@ -16,6 +16,7 @@
 using System.Reflection;
 using System.Reflection.Metadata;
 using System.Reflection.PortableExecutable;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 using System.Xml;
@@ -239,7 +240,7 @@
                 {
                     var mapped = pathMapFunc(line.Slice(1, index - 1).ToString());
                     builder.Append('[');
-                    builder.Append(mapped);
+                    builder.Append(EscapeEditorConfigSectionPath(mapped));
                     builder.Append(line.Slice(index));
                 }
             }
@@ -255,6 +256,22 @@
         return builder.ToString();
     }
 
+    /// <summary>
+    /// The path used in a editor config section needs to be escaped on Windows.
+    /// </summary>
+    /// <param name="path"></param>
+    /// <returns></returns>
+    internal static string EscapeEditorConfigSectionPath(string path)
+    {
+        // The \ on windows need to be escaped when emitted as part of a section header
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            return path.Replace(@"\", @"/");
+        }
+
+        return path;
+    }
+
     /// <summary>
     /// Open a file from a build on the current machine.
     /// </summary>

src/Scratch/Scratch.cs

@@ -25,6 +25,20 @@
 
 #pragma warning disable 8321
 
+var export = @"C:\Users\jaredpar\Downloads\customer-bug\.complog";
+if (Directory.Exists(export))
+{
+    Directory.Delete(export, recursive: true);
+}
+
+var sdkDirs = SdkUtil.GetSdkDirectories();
+using var reader = CompilerLogReader.Create(@"C:\Users\jaredpar\Downloads\customer-bug\msbuild.complog");
+var exportUtil = new ExportUtil(reader, includeAnalyzers: true);
+exportUtil.ExportAll(export, sdkDirs);
+
+
+
+/*
 using var reader = CompilerCallReaderUtil.Create("/home/jaredpar/code/msbuild/artifacts/log/Debug/Build.binlog", BasicAnalyzerKind.None);
 var compilerCall = reader
     .ReadAllCompilerCalls()
@@ -33,8 +47,9 @@
 var compilation = data.GetCompilationAfterGenerators();
 Console.WriteLine(compilation.AssemblyName);
 var diagnostics = compilation.GetDiagnostics();
+*/
 
-Bing();
+//Bing();
 void Bing()
 {
     var filePath = @"C:\Users\jaredpar\code\snrcode\msbuild.binlog";