diff --git a/test/ast.xq b/test/ast.xq
index 575520b..2a27a27 100644
--- a/test/ast.xq
+++ b/test/ast.xq
@@ -1,10 +1,20 @@
-import module namespace syms="lsp/symbols" at "../webapp/lsp/ast/ast.xqm";
+import module namespace ast="lsp/ast" at "../webapp/lsp/ast/ast.xqm";
 
-declare $file:="C:\Users\mrwhe\git\quodatum\basex-lsp\test\sample.docs\pdfbox.xqm";
+(: declare variable $file:="sample.docs/pdfbox.xqm"; :)
+declare variable $file:="sample.docs/simple.xq";
 
-declare variable $A:=doc("C:\Users\mrwhe\git\quodatum\basex-lsp\test\sample.docs\parse-pdfbox.xml");
-$A update{
-  for $e in .//element()
+declare variable $A:=doc("sample.docs/parse-pdfbox.xml");
+
+
+unparsed-text($file)
+
+=>ast:build()
+
+update{
+  for $e in descendant-or-self::element()
   let $len:=string-length($e)
-  return insert node attribute len { $len } into $e
-}
+  let $before:=$e/preceding-sibling::node()/string-length()=>sum()
+  return (insert node attribute len { $len } into $e,
+          insert node attribute before { $before } into $e
+        )
+} 
diff --git a/test/sample.docs/simple.xq b/test/sample.docs/simple.xq
new file mode 100644
index 0000000..86206b4
--- /dev/null
+++ b/test/sample.docs/simple.xq
@@ -0,0 +1,6 @@
+(: simple parse test :)
+declare function local:print($src as xs:string, $dest as xs:string)
+{
+ concat($src,"->", $dest)
+};
+local:print("sss","bbb")
\ No newline at end of file
diff --git a/webapp/lsp/ast/ast.xqm b/webapp/lsp/ast/ast.xqm
index b731136..58ec031 100644
--- a/webapp/lsp/ast/ast.xqm
+++ b/webapp/lsp/ast/ast.xqm
@@ -5,14 +5,23 @@ module namespace ast="lsp/ast";
 (: import module namespace p="xq4" at "xq4.xqm"; :)
 import module namespace xq4="java:quodatum.parser.xq4";
 
-(:~ build :)
-declare function ast:build($text as xs:string,$uri as xs:string:="")
+(:~ build 
+$opts uri, 
+      abstract:true(),
+      position: true()
+:)
+declare function ast:build($text as xs:string,$opts as map(*):={})
 as element(*){
- let $xml:= xq4:parseModule($text)=>prof:time("⏱️ p:parse-Module " || $uri)
- return ($xml,
-        message(ast:report($xml),"REP"),
-        message(ast:report(ast:flatten($xml)),"flat")
-        )
+ let $xml:= xq4:parseModule($text)=>prof:time("⏱️ parseModule " || $opts?uri)
+ let $res:= if($opts?abstract)
+            then ast:flatten($xml)=>prof:time("⏱️ abstract ")
+            else $xml
+
+let $res:=if($opts?position)
+          then ast:annotate-with-positions($res)=>prof:time("⏱️ position ")
+          else $res
+          
+return $res
 };
 
 (:~ 
@@ -31,7 +40,82 @@ declare function ast:flatten($input as element()) as element() {
       }
 };
 
-(:-------------------------------------------:)
+declare function ast:add-positions($nodes as node()*, $start-pos as xs:integer) as item()+ {
+    if (empty($nodes)) then (
+        $start-pos, () 
+    ) else (
+        let $head := $nodes[1]
+        let $tail := $nodes[position() > 1]
+        return
+            typeswitch($head)
+                case element() return
+                    let $children := $head/node()
+                    let $child-result := ast:add-positions($children, $start-pos)
+                    let $child-end-pos := $child-result[1]
+                    let $processed-children := subsequence($child-result, 2)
+                    let $element-text := string-join($processed-children ! string(.), "")
+                    let $element-length := string-length($element-text)
+                    let $element-end-pos := 
+                        if ($element-length > 0) then $start-pos + $element-length - 1
+                        else $start-pos
+                    let $tail-result := 
+                        if (exists($tail)) then 
+                            ast:add-positions($tail, $element-end-pos + 1)
+                        else (
+                            $element-end-pos + 1, ()
+                        )
+                    let $final-end-pos := $tail-result[1]
+                    let $processed-tail := subsequence($tail-result, 2)
+                    return (
+                        $final-end-pos,
+                        element {node-name($head)} {
+                            attribute start {$start-pos},
+                            attribute end {$element-end-pos},
+                            $processed-children
+                        },
+                        $processed-tail
+                    )
+                case text() return
+                    let $text-length := string-length($head)
+                    let $text-end-pos := 
+                        if ($text-length > 0) then $start-pos + $text-length - 1
+                        else $start-pos
+                    let $tail-result := 
+                        if (exists($tail)) then 
+                            ast:add-positions($tail, $text-end-pos + 1)
+                        else (
+                            $text-end-pos + 1, ()
+                        )
+                    let $final-end-pos := $tail-result[1]
+                    let $processed-tail := subsequence($tail-result, 2)
+                    return (
+                        $final-end-pos,
+                        $head,
+                        $processed-tail
+                    )
+                default return
+                    let $tail-result := 
+                        if (exists($tail)) then 
+                            ast:add-positions($tail, $start-pos)
+                        else (
+                            $start-pos, ()
+                        )
+                    let $final-end-pos := $tail-result[1]
+                    let $processed-tail := subsequence($tail-result, 2)
+                    return (
+                        $final-end-pos,
+                        $head,
+                        $processed-tail
+                    )
+    )
+};
+
+declare function ast:annotate-with-positions($xml as element()) as element() {
+    let $result := ast:add-positions($xml, 1)
+    return $result[2]
+};
+
+(:-------reporting------------------------------------:)
 
 declare function ast:report($el as element(*))  {
 {
diff --git a/webapp/lsp/docs.xqm b/webapp/lsp/docs.xqm
index 249f00d..e02b08b 100644
--- a/webapp/lsp/docs.xqm
+++ b/webapp/lsp/docs.xqm
@@ -118,7 +118,7 @@ declare function docs:parse(
 )as map(*)?
 {
   let $text:=docs:get($socket,$file,"textDocument")?text
-  let $xml:= ast:build($text, $file)
+  let $xml:= ast:build($text, {"uri": $file, "abstract":false(), "position":true()})
   let $diags:=lsp-diags:list($file, $text, $xml)=>prof:time("⏱️ diags " || $file)
   return (
     ws:set($socket,docs:key($socket,$file,"parse"),$xml),
diff --git a/webapp/lsp/handlers.xqm b/webapp/lsp/handlers.xqm
index d1c7076..74dcd8d 100644
--- a/webapp/lsp/handlers.xqm
+++ b/webapp/lsp/handlers.xqm
@@ -7,10 +7,14 @@ module namespace hnd="lsp/handlers";
 (:~ structure returned by tree walkers :)
 declare record hnd:Result( 
     result as item()*,
-    skipchildren? as xs:boolean:=false() 
+    skipchildren? as xs:boolean:=false(),
+    extras?
 );
 
-declare type hnd:actionFn as fn($parse  as element(),$state as hnd:Result  ) as hnd:Result;
+declare type hnd:actionFn as fn(
+  $parse  as element(),
+  $state as hnd:Result  
+) as hnd:Result;
 
 declare type hnd:actionMap as  map(xs:string,hnd:actionFn);
 
diff --git a/webapp/lsp/lsp-ws.xqm b/webapp/lsp/lsp-ws.xqm
index 378af2d..312e6bc 100644
--- a/webapp/lsp/lsp-ws.xqm
+++ b/webapp/lsp/lsp-ws.xqm
@@ -35,7 +35,7 @@ function lsp-ws:message(
   $message  as xs:string
 ) as empty-sequence() {
  
-  let $json := rpc:parse($message)
+  let $json := rpc:parse($message=>trace("IN: "))
   return if(exists($json))
          then rpc:reply($json)
          else message($message,"bad RPC: ")
diff --git a/webapp/lsp/position.xqm b/webapp/lsp/position.xqm
index b278f0c..3fd4e94 100644
--- a/webapp/lsp/position.xqm
+++ b/webapp/lsp/position.xqm
@@ -87,8 +87,8 @@ as lspt:Range{
 
 (:~   range for $text from indices:)
 declare function pos:range-from-ast(
-  $text as xs:string,
-$ast as element(*))
+ $ast as element(*),
+ $text as xs:string)
 as lspt:Range{
  lspt:Range(
    pos:toPosition($text,number($ast/@start)), 
diff --git a/webapp/lsp/providers/documentSymbols.xqm b/webapp/lsp/providers/documentSymbols.xqm
index 7f48006..1430bd4 100644
--- a/webapp/lsp/providers/documentSymbols.xqm
+++ b/webapp/lsp/providers/documentSymbols.xqm
@@ -51,8 +51,9 @@ declare function syms:FunctionDecl($parse  as element(FunctionDecl),$state as hn
 as hnd:Result{
   let $name:=syms:localName($parse/UnreservedFunctionEQName)
   let $prev:=$state?result[$name eq ?name]
-  let $range:=lspt:Range(lspt:Position(0,0),lspt:Position(0,3))
-  let $sym:=lspt:DocumentSymbol($name,$lspt:SymbolKindMap('Method'),$range,$range,"FUN")
+  let $range:=pos:range-from-ast($parse,$state?context?text)=>trace("POSSSS")
+  let $full-range:=$range
+  let $sym:=lspt:DocumentSymbol($name,$lspt:SymbolKindMap('Method'),$range,$full-range,"FUN")
   return  ($state?result,$sym)=>hnd:Result(true())
 };