{
 ***************************************************************************
 *                                                                         *
 *   This source is free software; you can redistribute it and/or modify   *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
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 *   This code is distributed in the hope that it will be useful, but      *
 *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
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 *   General Public License for more details.                              *
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 ***************************************************************************

  Author: Mattias Gaertner

  Abstract:
    Demonstrating how to add a method to a class and extending the uses section.
}
program AddEventMethod;

{$mode objfpc}{$H+}

uses
  Classes, SysUtils, CodeCache, CodeToolManager, SimpleUnit1, FileProcs,
  CodeToolsConfig, CodeCompletionTool, ExtCtrls, Interfaces;
  
const
  ConfigFilename = 'codetools.config';
var
  Filename: string;
  Code: TCodeBuffer;
begin
  CodeToolBoss.SimpleInit(ConfigFilename);

  // load the file
  Filename:=ExpandFileName('scanexamples/addeventexample.pas');
  Code:=CodeToolBoss.LoadFile(Filename,false,false);
  if Code=nil then
    raise Exception.Create('loading failed '+Filename);

  // Example 1: add a method compatible to TTabChangingEvent
  // TTabChangingEvent is used in ComCtrls, but defined in ExtCtrls.
  // The codetools will search TTabChangingEvent and will add ExtCtrls to the
  // uses section.
  if CodeToolBoss.CreatePublishedMethod(Code,'TForm1','NewMethod',
    typeinfo(TTabChangingEvent),false,'ComCtrls') then
  begin
    writeln('Method added: ');
    writeln(Code.Source);
  end else begin
    raise Exception.Create('Adding method failed');
  end;
end.