IDE: find overloads: find main declaration

git-svn-id: trunk@19751 -

components/codetools/codetoolmanager.pas

@@ -2116,19 +2116,24 @@ end;
 function TCodeToolManager.GatherOverloads(Code: TCodeBuffer; X, Y: integer; out
   Graph: TDeclarationOverloadsGraph): boolean;
 var
-  CursorPos: TCodeXYPosition;
+  NewCode: TCodeBuffer;
+  NewX, NewY, NewTopLine: integer;
 begin
-  Graph:=nil;
   {$IFDEF CTDEBUG}
   DebugLn('TCodeToolManager.GatherOverloads A ',Code.Filename);
   {$ENDIF}
   Result:=false;
+  Graph:=nil;
+  if not FindMainDeclaration(Code,X,Y,NewCode,NewX,NewY,NewTopLine)
+  then begin
+    DebugLn('TCodeToolManager.GatherOverloads unable to FindMainDeclaration ',Code.Filename,' x=',dbgs(x),' y=',dbgs(y));
+    exit;
+  end;
+  if NewTopLine=0 then ;
   if not InitCurCodeTool(Code) then exit;
-  CursorPos.X:=X;
-  CursorPos.Y:=Y;
-  CursorPos.Code:=Code;
   try
     Graph:=TDeclarationOverloadsGraph.Create;
+    Result:=Graph.Init(NewCode,NewX,NewY);
   except
     on e: Exception do Result:=HandleException(e);
   end;

components/codetools/findoverloads.pas

@@ -30,7 +30,7 @@ unit FindOverloads;
 interface
 
 uses
-  Classes, SysUtils, CodeGraph;
+  Classes, SysUtils, CodeGraph, CodeCache;
 
 type
   TOverloadsGraphNode = class(TCodeGraphNode)
@@ -55,12 +55,19 @@ type
   private
     FGraph: TCodeGraph;
     FIdentifier: string;
+    FStartCode: TCodeBuffer;
+    FStartX: integer;
+    FStartY: integer;
   public
     constructor Create;
     destructor Destroy; override;
     procedure Clear;
+    function Init(Code: TCodeBuffer; X,Y: integer): Boolean;
     property Identifier: string read FIdentifier;
     property Graph: TCodeGraph read FGraph;
+    property StartCode: TCodeBuffer read FStartCode;
+    property StartX: integer read FStartX;
+    property StartY: integer read FStartY;
   end;
 
 implementation
@@ -84,5 +91,18 @@ begin
 
 end;
 
+function TDeclarationOverloadsGraph.Init(Code: TCodeBuffer; X, Y: integer
+  ): Boolean;
+begin
+  Result:=false;
+  FStartCode:=Code;
+  FStartX:=X;
+  FStartY:=Y;
+
+
+
+  Result:=true;
+end;
+
 end.
 

ide/findoverloadsdlg.pas

@@ -83,13 +83,12 @@ type
     procedure ScanSomeFiles;
     procedure ScanFile(AFile: TFOWFile);
   public
-    StartCodeXY: TCodeXYPosition;
     Scopes: TFindOverloadsScopes;
     CompletedScopes: TFindOverloadsScopes;
+    Graph: TDeclarationOverloadsGraph;
     constructor Create;
     destructor Destroy; override;
     procedure Clear;
-    procedure SetStartPosition(Code: TCodeBuffer; X, Y: integer);
     procedure Work;
     function Done: boolean;
     procedure StopSearching;
@@ -154,13 +153,22 @@ function ShowFindOverloadsDialog(Code: TCodeBuffer; X, Y: integer
   ): TModalResult;
 var
   FindOverloadsDialog: TFindOverloadsDialog;
+  Graph: TDeclarationOverloadsGraph;
 begin
-  FindOverloadsDialog:=TFindOverloadsDialog.Create(nil);
+  Graph:=nil;
+  FindOverloadsDialog:=nil;
   try
-    FindOverloadsDialog.Worker.SetStartPosition(Code,X,Y);
+    if not CodeToolBoss.GatherOverloads(Code,X,Y,Graph) then begin
+      LazarusIDE.DoJumpToCodeToolBossError;
+      exit(mrCancel);
+    end;
+    DebugLn(['ShowFindOverloadsDialog ',Graph.StartCode.Filename,' ',Graph.StartX,',',Graph.StartY]);
+    FindOverloadsDialog:=TFindOverloadsDialog.Create(nil);
+    FindOverloadsDialog.Worker.Graph:=Graph;
     Result:=FindOverloadsDialog.ShowModal;
   finally
     FindOverloadsDialog.Free;
+    Graph.Free;
   end;
 end;
 
@@ -374,14 +382,6 @@ begin
   FStagePosMax:=100;
 end;
 
-procedure TFindOverloadsWorker.SetStartPosition(Code: TCodeBuffer; X, Y: integer
-  );
-begin
-  StartCodeXY.Code:=Code;
-  StartCodeXY.X:=X;
-  StartCodeXY.Y:=Y;
-end;
-
 procedure TFindOverloadsWorker.Work;
 begin
   DebugLn(['TFindOverloadsWorker.Work START']);

ide/sourceeditor.pp

@@ -4175,6 +4175,8 @@ var
   SelAvail: Boolean;
   SelAvailAndWritable: Boolean;
   CurFilename: String;
+  CurWordAtCursor: String;
+  AtIdentifier: Boolean;
 begin
   //DebugLn(['TSourceNotebook.SrcPopUpMenuPopup ',dbgsName(Sender)]);
   //SourceEditorMenuRoot.WriteDebugReport('TSourceNotebook.SrcPopUpMenuPopup START ',true);
@@ -4241,18 +4243,21 @@ begin
     EditorPopupPoint:=EditorComp.ScreenToClient(SrcPopUpMenu.PopupPoint);
     if EditorPopupPoint.X>EditorComp.GutterWidth then begin
       // user clicked on text
+      // collect some flags
       SelAvail:=ASrcEdit.EditorComponent.SelAvail;
       SelAvailAndWritable:=SelAvail and (not ASrcEdit.ReadOnly);
       SrcEditMenuEncloseSelection.Enabled := SelAvailAndWritable;
       SrcEditMenuExtractProc.Enabled := SelAvailAndWritable;
       SrcEditMenuInvertAssignment.Enabled := SelAvailAndWritable;
-      SrcEditMenuFindIdentifierReferences.Enabled:=
+      CurWordAtCursor:=ASrcEdit.GetWordAtCurrentCaret;
-                                     IsValidIdent(ASrcEdit.GetWordAtCurrentCaret);
+      AtIdentifier:=IsValidIdent(CurWordAtCursor);
-      SrcEditMenuRenameIdentifier.Enabled:=
+      // enable menu items
-                                     IsValidIdent(ASrcEdit.GetWordAtCurrentCaret)
+      SrcEditMenuFindIdentifierReferences.Enabled:=AtIdentifier;
-                                     and (not ASrcEdit.ReadOnly);
+      SrcEditMenuRenameIdentifier.Enabled:=AtIdentifier
+                                           and (not ASrcEdit.ReadOnly);
       SrcEditMenuShowAbstractMethods.Enabled:=not ASrcEdit.ReadOnly;
       SrcEditMenuShowEmptyMethods.Enabled:=not ASrcEdit.ReadOnly;
+      SrcEditMenuFindOverloads.Enabled:=AtIdentifier;
     end else begin
       // user clicked on gutter
       SourceEditorMarks.GetMarksForLine(EditorComp,EditorComp.CaretY,