fix: incorrect initialization for initializationOptions, remove unu…

…sed `documentationFormat` field (fix #145) (#146)

src/lsp/completion.v

@@ -9,7 +9,6 @@ pub mut:
 pub struct CompletionItemSettings {
 	snippet_support           bool     @[json: snippetSupport]
 	commit_characters_support bool     @[json: commitCharactersSupport]
-	documentation_format      bool     @[json: documentationFormat]
 	preselect_support         bool     @[json: preselectSupport]
 	deprecated_support        bool     @[json: deprecatedSupport]
 	tag_support               ValueSet @[json: tag_support]

src/lsp/initialize.v

@@ -1,14 +1,18 @@
 module lsp
 
+// TODO: These LSPAny need to change to `?LSPAny` too.
+type LSPAny = []LSPAny | map[string]LSPAny | f64 | bool | string
+
 // method: ‘initialize’
 // response: InitializeResult
 pub struct InitializeParams {
 pub mut:
-	process_id             int = -2         @[json: processId]
-	client_info            ClientInfo  @[json: clientInfo]
-	root_uri               DocumentUri @[json: rootUri]
-	root_path              DocumentUri @[json: rootPath]
-	initialization_options string      @[json: initializationOptions]
+	process_id  int = -2         @[json: processId]
+	client_info ClientInfo  @[json: clientInfo]
+	root_uri    DocumentUri @[json: rootUri]
+	root_path   DocumentUri @[json: rootPath]
+	// TODO: Change this to `?LSPAny` once V fixed its JSON decoder codegen. (or shall we use json2?)
+	initialization_options LSPAny @[json: initializationOptions]
 	capabilities           ClientCapabilities
 	trace                  string
 	workspace_folders      []WorkspaceFolder @[skip]

src/server/general.v

@@ -25,7 +25,10 @@ pub fn (mut ls LanguageServer) initialize(params lsp.InitializeParams, mut wr Re
 	ls.status = .initialized
 
 	ls.progress.support_work_done_progress = params.capabilities.window.work_done_progress
-	ls.initialization_options = params.initialization_options.fields()
+	options := params.initialization_options
+	if options is string {
+		ls.initialization_options = options.fields()
+	}
 
 	ls.print_info(params.process_id, params.client_info)
 	ls.setup()