Refactor ABI implementation and add default Linux target

.github/workflows/ci.yml

@@ -40,5 +40,5 @@ jobs:
       - name: Build dotnet
         run: dotnet build
 
-      # - name: Test
-      #   run: dotnet test
+      - name: Test
+        run: dotnet test

.gitignore

@@ -9,3 +9,4 @@ surab-lsp-server.log
 *.so
 *.nupkg
 editor-groups.json
+*.csproj.user

src/common/Helpers/PathHelper.cs

@@ -6,7 +6,17 @@ internal static class PathHelper
 {
 	public static string GetRepoRootFolderPath()
 	{
-		return Path.Combine(GetCallerFilePath(), "../../../../");
+		// Climb up until we find it.
+		var cd = Environment.CurrentDirectory;
+		// Match when we find surab/src.
+		while (Path.GetFileName(cd) != "src" && Path.GetFileName(Path.GetDirectoryName(cd)) != "surab")
+		{
+			cd = Path.GetDirectoryName(cd);
+		}
+		// One more to get repo directory here.
+		cd = Path.GetDirectoryName(cd);
+
+		return cd!;
 	}
 
 	public static string GetSrcFolderPath()
@@ -29,6 +39,9 @@ public static string GetRuntimeTargetFolderPath()
 		return Path.Combine(GetRepoRootFolderPath(), "target");
 	}
 
+	// Note: Used to use this in GetRepoRootFolderPath but CallerFilePath computes the path on
+	// compile time so it might produce results not compatible with linux (e.g. if debugging in wsl
+	// in VS).
 	private static string GetCallerFilePath([CallerFilePath] string callerFilePath = null!)
 	{
 		return callerFilePath;