diff --git a/cedast/build/cedast.coedit b/cedast/build/cedast.coedit
index 1516a19b..052a500e 100644
--- a/cedast/build/cedast.coedit
+++ b/cedast/build/cedast.coedit
@@ -6,7 +6,7 @@ object CurrentProject: TCENativeProject
       debugingOptions.codeviewDexts = True
       messagesOptions.additionalWarnings = True
       outputOptions.binaryKind = sharedlib
-      pathsOptions.outputFilename = '..\..\lazproj\cedast.dll'
+      pathsOptions.outputFilename = '..\bin\cedast.dll'
     end>
   Sources.Strings = (
     '..\src\cedast.d'
diff --git a/cedast/src/ast.d b/cedast/src/ast.d
index 1c7530d2..a6a7dc79 100644
--- a/cedast/src/ast.d
+++ b/cedast/src/ast.d
@@ -8,7 +8,14 @@ import common;
 
 private
 {
-    enum AstInfos {ModuleName, ErrorsJson, ErrorsPas, SymsJson, SymsPas}
+    enum AstInfos
+    {
+        ModuleName,
+        ErrorsJson, ErrorsPas,
+        SymsJson, SymsPas,
+        TodosJson, TodosPas
+    }
+
     alias CachedInfos = EnumSet!(AstInfos, Set8);
 
     enum SymbolType
@@ -378,36 +385,38 @@ public:
 
     final string moduleName()
     {
-        string result;
-
-        if (!scanned)
-            return result;
-        if (AstInfos.ModuleName in cachedInfos)
-            return modName;
-
-        cachedInfos += AstInfos.ModuleName;
-        if (mod.moduleDeclaration)
-        foreach(Token t; mod.moduleDeclaration.moduleName.identifiers)
-            result ~= t.text ~ ".";
-
-        if (result.length)
-            modName = result[0 .. $-1];
+        if (scanned && AstInfos.ModuleName !in cachedInfos)
+        {
+            string result;
+            cachedInfos += AstInfos.ModuleName;
+            if (mod.moduleDeclaration)
+            foreach(Token t; mod.moduleDeclaration.moduleName.identifiers)
+                result ~= t.text ~ ".";
+            if (result.length)
+                modName = result[0 .. $-1];
+        }
         return modName;
     }
 
     final ubyte[] todoListPas()
     {
-        return null;
+        if (scanned && AstInfos.TodosPas !in cachedInfos)
+        {
+        }
+        return todosPas;
     }
 
     final ubyte[] todoListJson()
     {
-        return null;
+        if (scanned && AstInfos.TodosJson !in cachedInfos)
+        {
+        }
+        return todosJson;
     }
 
     final ubyte[] symbolListPas()
     {
-        if (AstInfos.SymsPas !in cachedInfos)
+        if (scanned && AstInfos.SymsPas !in cachedInfos)
         {
             cachedInfos += AstInfos.SymsPas;
             SymbolListBuilder slb = construct!SymbolListBuilder(mod);
@@ -419,7 +428,7 @@ public:
 
     final ubyte[] symbolListJson()
     {
-        if (AstInfos.SymsJson !in cachedInfos)
+        if (scanned && AstInfos.SymsJson !in cachedInfos)
         {
             cachedInfos += AstInfos.SymsJson;
             SymbolListBuilder slb = construct!SymbolListBuilder(mod);
diff --git a/cedast/src/common.d b/cedast/src/common.d
index fa485ca8..8c8a65ed 100644
--- a/cedast/src/common.d
+++ b/cedast/src/common.d
@@ -11,8 +11,3 @@ enum SerializationFormat : byte
     json,
     pascal
 }
-
-enum logcall = q{
-    import std.file;
-    append("cedast_log.txt", cast(ubyte[])(__PRETTY_FUNCTION__ ~ "\r\n"));
-};
diff --git a/src/ce_symlist.pas b/src/ce_symlist.pas
index f6b985c6..83e0a0dc 100644
--- a/src/ce_symlist.pas
+++ b/src/ce_symlist.pas
@@ -6,8 +6,8 @@ interface
 
 uses
   Classes, SysUtils, TreeFilterEdit, Forms, Controls, Graphics, ExtCtrls, Menus,
-  ComCtrls, ce_widget, jsonparser, process, actnlist, Buttons, Clipbrd, LCLProc,
-  ce_common, ce_observer, ce_synmemo, ce_interfaces, ce_writableComponent, ce_processes;
+  ComCtrls, ce_widget, jsonparser, actnlist, Buttons, Clipbrd, LCLProc,
+  ce_common, ce_observer, ce_synmemo, ce_interfaces, ce_writableComponent, ce_dast;
 
 type
 
@@ -112,11 +112,9 @@ type
     procedure TreeFilterEdit1MouseEnter(Sender: TObject);
     procedure TreeKeyPress(Sender: TObject; var Key: char);
   private
-    fHasToolExe: boolean;
     fOptions: TCESymbolListOptions;
     fSyms: TSymbolList;
     fMsgs: ICEMessagesDisplay;
-    fToolProc: TCEProcess;
     fActCopyIdent: TAction;
     fActRefresh: TAction;
     fActRefreshOnChange: TAction;
@@ -131,6 +129,7 @@ type
     fSmartFilter: boolean;
     fAutoExpandErrors: boolean;
     fSortSymbols: boolean;
+    fSymStream: TMemoryStream;
     ndAlias, ndClass, ndEnum, ndFunc, ndUni: TTreeNode;
     ndImp, ndIntf, ndMix, ndStruct, ndTmp: TTreeNode;
     ndVar, ndWarn, ndErr: TTreeNode;
@@ -144,9 +143,7 @@ type
     procedure clearTree;
     procedure expandCurrentDeclaration;
     //
-    procedure checkIfHasToolExe;
-    procedure callToolProc;
-    procedure toolTerminated(sender: TObject);
+    procedure refreshFromAst;
     //
     procedure docNew(aDoc: TCESynMemo);
     procedure docClosing(aDoc: TCESynMemo);
@@ -180,7 +177,6 @@ implementation
 
 const
   OptsFname = 'symbollist.txt';
-  toolExeName = 'cesyms' + exeExt;
 
 {$REGION Serializable symbols---------------------------------------------------}
 constructor TSymbol.create(ACollection: TCollection);
@@ -318,7 +314,6 @@ begin
   fAutoRefresh := false;
   fRefreshOnFocus := true;
   fRefreshOnChange := false;
-  checkIfHasToolExe;
   //
   fActCopyIdent := TAction.Create(self);
   fActCopyIdent.OnExecute:=@actCopyIdentExecute;
@@ -348,6 +343,7 @@ begin
   inherited;
   // allow empty name if owner is nil
   fSyms := TSymbolList.create(nil);
+  fSymStream := TMemoryStream.Create;
   //
   fOptions := TCESymbolListOptions.Create(self);
   fOptions.Name:= 'symbolListOptions';
@@ -388,8 +384,8 @@ destructor TCESymbolListWidget.destroy;
 begin
   EntitiesConnector.removeObserver(self);
   //
-  killProcess(fToolProc);
   fSyms.Free;
+  fSymStream.Free;
   //
   fOptions.saveToFile(getCoeditDocPath + OptsFname);
   fOptions.Free;
@@ -400,10 +396,9 @@ end;
 procedure TCESymbolListWidget.SetVisible(Value: boolean);
 begin
   inherited;
-  checkIfHasToolExe;
   getMessageDisplay(fMsgs);
   if Value then
-    callToolProc;
+    refreshFromAst;
 end;
 {$ENDREGION}
 
@@ -434,7 +429,7 @@ end;
 procedure TCESymbolListWidget.actRefreshExecute(Sender: TObject);
 begin
   if Updating then exit;
-  callToolProc;
+  refreshFromAst;
 end;
 
 procedure TCESymbolListWidget.actAutoRefreshExecute(Sender: TObject);
@@ -483,7 +478,7 @@ procedure TCESymbolListWidget.optionedEvent(anEvent: TOptionEditorEvent);
 begin
   if anEvent <> oeeAccept then exit;
   fOptions.AssignTo(self);
-  callToolProc;
+  refreshFromAst;
 end;
 
 function TCESymbolListWidget.optionedOptionsModified: boolean;
@@ -514,7 +509,7 @@ begin
   if not Visible then exit;
   //
   if fAutoRefresh then beginDelayedUpdate
-  else if fRefreshOnFocus then callToolProc;
+  else if fRefreshOnFocus then refreshFromAst;
 end;
 
 procedure TCESymbolListWidget.docChanged(aDoc: TCESynMemo);
@@ -523,7 +518,7 @@ begin
   if not Visible then exit;
   //
   if fAutoRefresh then beginDelayedUpdate
-  else if fRefreshOnChange then callToolProc;
+  else if fRefreshOnChange then refreshFromAst;
   //
   //expandCurrentDeclaration;
 end;
@@ -533,7 +528,7 @@ end;
 procedure TCESymbolListWidget.updateDelayed;
 begin
   if not fAutoRefresh then exit;
-  callToolProc;
+  refreshFromAst;
 end;
 
 procedure TCESymbolListWidget.btnRefreshClick(Sender: TObject);
@@ -645,34 +640,7 @@ begin
   fDoc.SelectLine;
 end;
 
-procedure TCESymbolListWidget.checkIfHasToolExe;
-begin
-  fHasToolExe := exeInSysPath(toolExeName);
-end;
-
-procedure TCESymbolListWidget.callToolProc;
-var
-  str: string;
-begin
-  if not fHasToolExe then exit;
-  if fDoc = nil then exit;
-  if fDoc.Lines.Count = 0 then exit;
-  if not fDoc.isDSource then exit;
-  //
-  killProcess(fToolProc);
-  fToolProc := TCEProcess.Create(nil);
-  fToolProc.ShowWindow := swoHIDE;
-  fToolProc.Options := [poUsePipes];
-  fToolProc.Executable := exeFullName(toolExeName);
-  fToolProc.OnTerminate := @toolTerminated;
-  fToolProc.CurrentDirectory := ExtractFileDir(Application.ExeName);
-  fToolProc.Execute;
-  str := fDoc.Text;
-  fToolProc.Input.Write(str[1], length(str));
-  fToolProc.CloseInput;
-end;
-
-procedure TCESymbolListWidget.toolTerminated(sender: TObject);
+procedure TCESymbolListWidget.refreshFromAst;
 //
 function getCatNode(node: TTreeNode; stype: TSymbolType ): TTreeNode;
   //
@@ -732,16 +700,22 @@ end;
 //
 var
   i: Integer;
+  ptr: PByte;
+  len: NativeUint = 0;
 begin
   if ndAlias = nil then exit;
   clearTree;
   updateVisibleCat;
-  if fDoc = nil then exit;
   //
-  fToolProc.OnTerminate := nil;
-  fToolProc.OnReadData  := nil;
-  fToolProc.OutputStack.Position:=0;
-  fSyms.LoadFromTool(fToolProc.OutputStack);
+  if not dastAvailable then exit;
+  if fDoc = nil then exit;
+  if fDoc.ast = 0 then exit;
+  //
+  ptr := symbolList(fDoc.ast, len, TSerializationFormat.pas);
+  fSymStream.clear;
+  fSymStream.Write(ptr^, len);
+  fSymStream.Position:=0;
+  fSyms.LoadFromTool(fSymStream);
   //
   tree.BeginUpdate;
   for i := 0 to fSyms.symbols.Count-1 do