diff --git a/cesyms/cesyms.d b/cesyms/cesyms.d
index 5bdb477b..e4a16f01 100644
--- a/cesyms/cesyms.d
+++ b/cesyms/cesyms.d
@@ -6,19 +6,28 @@ import std.traits;
 
 void main(string[] args)
 {
-    if (args.length < 2) return;
-    auto fname = args[1];
-    if (!fname.exists) return;
+    // get either the module from stdin or from first arg
+    string fname;
+    ubyte[] source;
+    if (args.length == 1)
+    {
+        source.length = cast(size_t)stdin.size;
+        source = stdin.rawRead(source);
+    }
+    else
+    {
+        fname = args[1];
+        if (!fname.exists) return;
+        source = cast(ubyte[]) read(fname, size_t.max);
+    }
 
     // load and parse the file
     auto config = LexerConfig(fname, StringBehavior.source, WhitespaceBehavior.skip);
-    auto source = cast(ubyte[]) read(fname, size_t.max);
     auto scache = StringCache(StringCache.defaultBucketCount);
-    
     auto ast = parseModule(getTokensForParser(source, config, &scache), fname, null, &(SymbolListBuilder.astError));
 
     // visit each root member
-    auto slb = construct!SymbolListBuilder; 
+    SymbolListBuilder slb = construct!SymbolListBuilder;
     foreach(Declaration decl; ast.declarations)
     {
         slb.resetRoot;
diff --git a/src/ce_symlist.lfm b/src/ce_symlist.lfm
index aae9e839..d397d870 100644
--- a/src/ce_symlist.lfm
+++ b/src/ce_symlist.lfm
@@ -24,6 +24,7 @@ inherited CESymbolListWidget: TCESymbolListWidget
         Width = 302
         Align = alClient
         BorderSpacing.Around = 4
+        DefaultItemHeight = 18
         HideSelection = False
         Images = imgList
         ReadOnly = True
diff --git a/src/ce_symlist.pas b/src/ce_symlist.pas
index f10be381..7ee9439f 100644
--- a/src/ce_symlist.pas
+++ b/src/ce_symlist.pas
@@ -652,14 +652,13 @@ end;
 
 procedure TCESymbolListWidget.callToolProc;
 var
-  srcFname: string;
+  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;
-
-  // standard process options
+  //
   killProcess(fToolProc);
   fToolProc := TCEProcess.Create(nil);
   fToolProc.ShowWindow := swoHIDE;
@@ -667,15 +666,10 @@ begin
   fToolProc.Executable := exeFullName(toolExeName);
   fToolProc.OnTerminate := @toolTerminated;
   fToolProc.CurrentDirectory := ExtractFileDir(Application.ExeName);
-
-  // focused source
-  srcFname := fDoc.fileName;
-  if not fileExists(srcFname) or (srcFname = fDoc.tempFilename) then
-    fDoc.saveTempFile;
-  srcFname := fDoc.fileName;
-  fToolProc.Parameters.Add(srcFname);
-
   fToolProc.Execute;
+  str := fDoc.Text;
+  fToolProc.Input.Write(str[1], length(str));
+  fToolProc.CloseInput;
 end;
 
 procedure TCESymbolListWidget.toolTerminated(sender: TObject);