prevent cases of superfluous indirections on `Items[i]`

src/u_dubproject.pas

@@ -903,7 +903,7 @@ begin
 end;
 {$ENDREGION --------------------------------------------------------------------}
 
-{$REGION ICommonProject: sources ---------------------------------------------}
+{$REGION ICommonProject: sources -----------------------------------------------}
 function TDubProject.isSource(const fname: string): boolean;
 var
   str: string;

src/u_messages.pas

@@ -481,16 +481,20 @@ end;
 procedure TMessagesWidget.ListKeyDown(Sender: TObject; var Key: Word;
   Shift: TShiftState);
 var
-  i: Integer;
+  i: integer;
+  n: TTreeNode;
 begin
   case Key of
     VK_BACK, VK_DELETE:
     begin
       if List.SelectionCount > 0 then
       begin
-      for i := List.Items.Count-1 downto 0 do
-        if List.Items[i].MultiSelected then
-          List.Items.Delete(List.Items[i]);
+        for i := List.Items.Count-1 downto 0 do
+        begin
+          n := List.Items[i];
+          if n.MultiSelected then
+            List.Items.Delete(n);
+        end;
       end
       else clearbyContext(amcAll);
     end;
@@ -720,23 +724,31 @@ end;
 
 procedure TMessagesWidget.actCopyMsgExecute(Sender: TObject);
 var
-  i: Integer;
-  str: string = '';
+  i: integer;
+  s: string = '';
+  n: TTreeNode;
 begin
   for i := 0 to List.Items.Count-1 do
-    if List.Items[i].MultiSelected then
-      str += List.Items[i].Text + LineEnding;
-  Clipboard.AsText := str;
+  begin
+    n := List.Items[i];
+    if n.MultiSelected then
+      s += n.Text + LineEnding;
+  end;
+  Clipboard.AsText := s;
 end;
 
 procedure TMessagesWidget.actSelAllExecute(Sender: TObject);
 var
-  i: Integer;
+  i: integer;
+  n: TTreeNode;
 begin
   List.BeginUpdate;
   for i := 0 to List.Items.Count-1 do
-    if List.Items[i].Visible then
-      List.Items[i].MultiSelected := true;
+  begin
+    n := List.Items[i];
+    if n.Visible then
+      n.MultiSelected := true;
+  end;
   List.EndUpdate;
 end;
 
@@ -933,8 +945,9 @@ end;
 
 procedure TMessagesWidget.clearByContext(aCtxt: TAppMessageCtxt);
 var
-  i: Integer;
-  msgdt: PMessageData;
+  i: integer;
+  d: PMessageData;
+  n: TTreeNode;
 begin
   list.BeginUpdate;
   TreeFilterEdit1.Filter := '';
@@ -942,17 +955,19 @@ begin
     List.Items.Clear
   else for i := List.Items.Count-1 downto 0 do
   begin
-    msgdt := PMessageData(List.Items[i].Data);
-    if msgdt^.ctxt = aCtxt then
-      List.Items.Delete(List.Items[i]);
+    n := List.Items[i];
+    d := PMessageData(n.Data);
+    if d^.ctxt = aCtxt then
+      List.Items.Delete(n);
   end;
   list.EndUpdate;
 end;
 
 procedure TMessagesWidget.clearByData(data: Pointer);
 var
-  i: Integer;
-  msgdt: PMessageData;
+  i: integer;
+  d: PMessageData;
+  n: TTreeNode;
 begin
   if data.isNil then
     exit;
@@ -962,9 +977,10 @@ begin
   TreeFilterEdit1.Filter := '';
   for i := List.Items.Count-1 downto 0 do
   begin
-    msgdt := PMessageData(List.Items[i].Data);
-    if (msgdt^.data = data) then
-      List.Items.Delete(List.Items[i]);
+    n := List.Items[i];
+    d := PMessageData(n.Data);
+    if (d^.data = data) then
+      List.Items.Delete(n);
   end;
   list.EndUpdate;
 end;

src/u_symlist.pas

@@ -850,7 +850,8 @@ procedure TSymbolListWidget.toolTerminated(sender: TObject);
 
 var
   i: Integer;
-  flt: string;
+  f: string;
+  n: TTreeNode;
 begin
   if ndAlias.isNil then
     exit;
@@ -866,7 +867,7 @@ begin
     exit;
   fSyms.LoadFromTool(fToolProc.StdoutEx);
 
-  flt := TreeFilterEdit1.Filter;
+  f := TreeFilterEdit1.Filter;
   TreeFilterEdit1.Text := '';
   tree.BeginUpdate;
   for i := 0 to fSyms.symbols.Count-1 do
@@ -880,18 +881,22 @@ begin
   end;
   if fSortSymbols then
     for i:= 0 to tree.Items.Count-1 do
-      if Tree.Items[i].Count > 0 then
-        tree.Items[i].CustomSort(nil);
+  begin
+    n := Tree.Items[i];
+    if n.Count > 0 then
+      n.CustomSort(nil);
+  end;
   if fSmartExpander then
     smartExpand;
   tree.EndUpdate;
-  if flt.isNotEmpty then
-    TreeFilterEdit1.Text := flt;
+  if f.isNotEmpty then
+    TreeFilterEdit1.Text := f;
 end;
 
 procedure TSymbolListWidget.smartExpand;
 var
   i: integer;
+  n: TTreeNode;
   target: NativeUint;
   nearest: NativeUint = 0;
   toExpand: TTreeNode = nil;
@@ -903,23 +908,24 @@ var
   begin
     for i := 0 to root.Count-1 do
     begin
-      if root.Items[i].Data.isNil then
+      n := root.Items[i];
+      if n.Data.isNil then
         continue;
-      if root.Items[i].Parent.isNil then
+      if n.Parent.isNil then
         continue;
-      case root.Items[i].Parent.Text of
+      case n.Parent.Text of
         'Alias', 'Enum', 'Import', 'Variable':
           continue;
       end;
       {$PUSH}{$WARNINGS OFF}{$HINTS OFF}
-      line := NativeUInt(root.Items[i].Data);
+      line := NativeUInt(n.Data);
       {$POP}
       if line > target then
         continue;
       if line > nearest then
       begin
         nearest := line;
-        toExpand := root.Items[i];
+        toExpand := n;
       end;
     end;
   end;

src/u_synmemo.pas

@@ -3056,11 +3056,13 @@ begin
   IncPaintLock;
   fDscannerResults.clear;
   for i:= Marks.Count-1 downto 0 do
-    if marks.Items[i].ImageIndex = longint(giWarn) then
   begin
     n := marks.Items[i];
-    marks.Delete(i);
-    FreeAndNil(n);
+    if n.ImageIndex = longint(giWarn) then
+    begin
+      marks.Delete(i);
+      FreeAndNil(n);
+    end;
   end;
   DecPaintLock;
   repaint;
@@ -3851,10 +3853,14 @@ end;
 procedure TDexedMemo.removeDebugTimeMarks;
 var
   i: integer;
+  n: TSynEditMark;
 begin
   IncPaintLock;
   for i:= marks.Count-1 downto 0 do
-    Marks.Items[i].Visible := not (TGutterIcon(Marks.Items[i].ImageIndex) in debugTimeGutterIcons);
+  begin
+    n := Marks.Items[i];
+    n.Visible := not (TGutterIcon(n.ImageIndex) in debugTimeGutterIcons);
+  end;
   DecPaintLock;
 end;
 
@@ -3898,8 +3904,9 @@ begin
   if m.isNotNil then
     for i := 0 to m.Count-1 do
   begin
-    s := m.Items[i].ImageIndex = longint(value);
-    m.Items[i].Visible := s;
+    n := m.Items[i];
+    s := n.ImageIndex = longint(value);
+    n.Visible := s;
   end;
   if not s then
   begin