[add] completion typedefs

webapp/lsp/etc/capabilities.json

@@ -14,7 +14,7 @@
       ]
     },
     "hoverProvider": true,
-    "documentSymbolProvider": false,
+    "documentSymbolProvider": true,
     "documentRangeFormattingProvider": false,
     "colorProvider": false,
     "foldingRangeProvider": false,
@@ -22,7 +22,7 @@
     "documentLinkProvider": {},
     "serverInfo": {
       "name": "XQuery 4.0b Language Server",
-      "version": "0.0.1"
+      "version": "0.0.2"
     }
   }
 }

webapp/lsp/jsonrpc.xqm

@@ -90,8 +90,8 @@ as map(*)
     }
 };
 
-(:~ rpc response to $json msg :)
+(:~ rpc response to $json msg, if result empty just acknowledge :)
-declare function rpc:result($json as map(*),$result)
+declare function rpc:result($json as map(*),$result:=())
 as map(*)
 {
 map{

webapp/lsp/lsp-text.xqm

@@ -8,6 +8,7 @@ import module namespace rpc = 'rpc' at 'jsonrpc.xqm';
 import module namespace lspt = 'lsp-typedefs' at 'lsp-typedefs.xqm';
 import module namespace pos="lsp/position" at "position.xqm";
 import module namespace syms="lsp/symbols" at "providers/documentSymbols.xqm";
+import module namespace comp = 'lsp-completions' at "providers/completions.xqm";
 
 declare variable $lsp-text:methods:=map{
   "textDocument/didOpen": lsp-text:didOpen#1,
@@ -61,7 +62,8 @@ function lsp-text:completion($json as map(*))
 as map(*)?
 {
  let $doc:=$json?params?textDocument?uri
- let $result:=() 
+ let $context:=$json?params?context (:{"triggerCharacter":":","triggerKind":2.0e0}:)
+ let $result:=comp:list($context)
  return  rpc:result($json,$result)
 };
 

webapp/lsp/lsp-typedefs.xqm

@@ -108,5 +108,236 @@ declare record lspt:Diagnostic(
   code? as xs:string,
   source as xs:string:="xquery"
 );
-
 declare type lspt:TraceValue as enum( 'off' , 'messages' , 'verbose');
+
+(: -----------------completions ------------------:)
+
+(:
+ The kind of a completion entry. :)
+
+declare variable $lspt:CompletionItemKindMap:= {
+	"Text": 1,
+	"Method": 2,
+	"Function": 3,
+	"Constructor": 4,
+	"Field": 5,
+	"Variable": 6,
+	"Class": 7,
+	"Interface": 8,
+	"Module": 9,
+	"Property": 10,
+	"Unit": 11,
+	"Value": 12,
+	"Enum": 13,
+	"Keyword": 14,
+	"Snippet": 15,
+	"Color": 16,
+	"File": 17,
+	"Reference": 18,
+	"Folder": 19,
+	"EnumMember": 20,
+	"Constant": 21,
+	"Struct": 22,
+	"Event": 23,
+	"Operator": 24,
+	"TypeParameter": 25
+};
+
+declare type lspt:CompletionItemKind as xs:integer;
+
+(:  1=Completion was triggered by typing an identifier (24x7 code
+    complete), manual invocation (e.g Ctrl+Space) or via API.
+    2=Completion was triggered by a trigger character specified by
+	   the `triggerCharacters` properties of the `CompletionRegistrationOptions`.
+	 3=Completion was re-triggered as the current completion list is incomplete.
+ :)
+declare type lspt:CompletionTriggerKind as xs:integer(: 1 | 2 | 3 :);
+
+(:
+export interface CompletionItem {
+
+	/**
+	 * The label of this completion item.
+	 *
+	 * The label property is also by default the text that
+	 * is inserted when selecting this completion.
+	 *
+	 * If label details are provided the label itself should
+	 * be an unqualified name of the completion item.
+	 */
+	label: string;
+
+	/**
+	 * Additional details for the label
+	 *
+	 * @since 3.17.0
+	 */
+	labelDetails?: CompletionItemLabelDetails;
+
+
+	/**
+	 * The kind of this completion item. Based of the kind
+	 * an icon is chosen by the editor. The standardized set
+	 * of available values is defined in `CompletionItemKind`.
+	 */
+	kind?: CompletionItemKind;
+
+	/**
+	 * Tags for this completion item.
+	 *
+	 * @since 3.15.0
+	 */
+	tags?: CompletionItemTag[];
+
+	/**
+	 * A human-readable string with additional information
+	 * about this item, like type or symbol information.
+	 */
+	detail?: string;
+
+	/**
+	 * A human-readable string that represents a doc-comment.
+	 */
+	documentation?: string | MarkupContent;
+
+	/**
+	 * Indicates if this item is deprecated.
+	 *
+	 * @deprecated Use `tags` instead if supported.
+	 */
+	deprecated?: boolean;
+
+	/**
+	 * Select this item when showing.
+	 *
+	 * *Note* that only one completion item can be selected and that the
+	 * tool / client decides which item that is. The rule is that the *first*
+	 * item of those that match best is selected.
+	 */
+	preselect?: boolean;
+
+	/**
+	 * A string that should be used when comparing this item
+	 * with other items. When omitted the label is used
+	 * as the sort text for this item.
+	 */
+	sortText?: string;
+
+	/**
+	 * A string that should be used when filtering a set of
+	 * completion items. When omitted the label is used as the
+	 * filter text for this item.
+	 */
+	filterText?: string;
+
+	/**
+	 * A string that should be inserted into a document when selecting
+	 * this completion. When omitted the label is used as the insert text
+	 * for this item.
+	 *
+	 * The `insertText` is subject to interpretation by the client side.
+	 * Some tools might not take the string literally. For example
+	 * VS Code when code complete is requested in this example
+	 * `con<cursor position>` and a completion item with an `insertText` of
+	 * `console` is provided it will only insert `sole`. Therefore it is
+	 * recommended to use `textEdit` instead since it avoids additional client
+	 * side interpretation.
+	 */
+	insertText?: string;
+
+	/**
+	 * The format of the insert text. The format applies to both the
+	 * `insertText` property and the `newText` property of a provided
+	 * `textEdit`. If omitted defaults to `InsertTextFormat.PlainText`.
+	 *
+	 * Please note that the insertTextFormat doesn't apply to
+	 * `additionalTextEdits`.
+	 */
+	insertTextFormat?: InsertTextFormat;
+
+	/**
+	 * How whitespace and indentation is handled during completion
+	 * item insertion. If not provided the client's default value depends on
+	 * the `textDocument.completion.insertTextMode` client capability.
+	 *
+	 * @since 3.16.0
+	 * @since 3.17.0 - support for `textDocument.completion.insertTextMode`
+	 */
+	insertTextMode?: InsertTextMode;
+
+	/**
+	 * An edit which is applied to a document when selecting this completion.
+	 * When an edit is provided the value of `insertText` is ignored.
+	 *
+	 * *Note:* The range of the edit must be a single line range and it must
+	 * contain the position at which completion has been requested.
+	 *
+	 * Most editors support two different operations when accepting a completion
+	 * item. One is to insert a completion text and the other is to replace an
+	 * existing text with a completion text. Since this can usually not be
+	 * predetermined by a server it can report both ranges. Clients need to
+	 * signal support for `InsertReplaceEdit`s via the
+	 * `textDocument.completion.completionItem.insertReplaceSupport` client
+	 * capability property.
+	 *
+	 * *Note 1:* The text edit's range as well as both ranges from an insert
+	 * replace edit must be a [single line] and they must contain the position
+	 * at which completion has been requested.
+	 * *Note 2:* If an `InsertReplaceEdit` is returned the edit's insert range
+	 * must be a prefix of the edit's replace range, that means it must be
+	 * contained and starting at the same position.
+	 *
+	 * @since 3.16.0 additional type `InsertReplaceEdit`
+	 */
+	textEdit?: TextEdit | InsertReplaceEdit;
+
+	/**
+	 * The edit text used if the completion item is part of a CompletionList and
+	 * CompletionList defines an item default for the text edit range.
+	 *
+	 * Clients will only honor this property if they opt into completion list
+	 * item defaults using the capability `completionList.itemDefaults`.
+	 *
+	 * If not provided and a list's default range is provided the label
+	 * property is used as a text.
+	 *
+	 * @since 3.17.0
+	 */
+	textEditText?: string;
+
+	/**
+	 * An optional array of additional text edits that are applied when
+	 * selecting this completion. Edits must not overlap (including the same
+	 * insert position) with the main edit nor with themselves.
+	 *
+	 * Additional text edits should be used to change text unrelated to the
+	 * current cursor position (for example adding an import statement at the
+	 * top of the file if the completion item will insert an unqualified type).
+	 */
+	additionalTextEdits?: TextEdit[];
+
+	/**
+	 * An optional set of characters that when pressed while this completion is
+	 * active will accept it first and then type that character. *Note* that all
+	 * commit characters should have `length=1` and that superfluous characters
+	 * will be ignored.
+	 */
+	commitCharacters?: string[];
+
+	/**
+	 * An optional command that is executed *after* inserting this completion.
+	 * *Note* that additional modifications to the current document should be
+	 * described with the additionalTextEdits-property.
+	 */
+	command?: Command;
+
+	/**
+	 * A data entry field that is preserved on a completion item between
+	 * a completion and a completion resolve request.
+	 */
+	data?: LSPAny;
+:)
+declare record lspt:CompletionItem(
+   label as xs:string,
+   kind? as  lspt:CompletionItemKind
+);

webapp/lsp/providers/completions.xqm

@@ -0,0 +1,7 @@
+module namespace comp = 'lsp-completions';
+
+(: (:{"triggerCharacter":":","triggerKind":2.0e0}:):)
+declare function comp:list($context as map(*)){
+    message($context,"context: "),
+    ()
+};

webapp/static/clients/codemirror/grail.css

@@ -63,6 +63,10 @@ form header {
     overflow: auto;
   }
 
+  ::backdrop {
+    backdrop-filter: blur(2px);
+  }
+
   @media (max-width: 600px) {
     grid-template-columns: 100%;
     grid-template-rows: auto;