Use the LSP server to improve support for dump and listing files

This brings every navigation and edition feature for these files

src/lsp/cobol_lsp/lsp_document.ml

@@ -66,6 +66,7 @@ include TYPES
 
 type t = document
 let uri { textdoc; _ } = Lsp.Text_document.documentUri textdoc
+let language_id { textdoc; _ } = Lsp.Text_document.languageId textdoc
 
 let rewindable_parse ({ project; textdoc; _ } as doc) =
   Cobol_parser.rewindable_parse_with_artifacts
@@ -80,7 +81,10 @@ let rewindable_parse ({ project; textdoc; _ } as doc) =
         copybook_lookup_config =
           Lsp_project.copybook_lookup_config_for ~uri:(uri doc) project;
         config = project.config.cobol_config;
-        source_format = project.config.source_format
+        source_format = match language_id doc with
+          | "COBOL_GNU_LISTFILE"
+          | "COBOL_GNU_DUMPFILE" -> SF SFVariable
+          | _ -> project.config.source_format
       } @@
   String { contents = Lsp.Text_document.text textdoc;
            filename = Lsp.Uri.to_path (uri doc) }

src/vscode/superbol-vscode-platform/superbol_languageclient.ml

@@ -94,6 +94,10 @@ let client_options () =
     ~documentSelector:[|
       `Filter (LSP.DocumentFilter.createLanguage ()
                  ~language:"cobol");
+      `Filter (LSP.DocumentFilter.createLanguage ()
+                 ~language:"COBOL_GNU_LISTFILE");
+      `Filter (LSP.DocumentFilter.createLanguage ()
+                 ~language:"COBOL_GNU_DUMPFILE");
     |]