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			106 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
{
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 ***************************************************************************
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 *                                                                         *
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 *   This source is free software; you can redistribute it and/or modify   *
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 *   it under the terms of the GNU General Public License as published by  *
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 *   the Free Software Foundation; either version 2 of the License, or     *
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 *   (at your option) any later version.                                   *
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 *                                                                         *
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 *   This code is distributed in the hope that it will be useful, but      *
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 *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
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 *   General Public License for more details.                              *
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 *                                                                         *
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 *   A copy of the GNU General Public License is available on the World    *
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 *   Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also      *
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 *   obtain it by writing to the Free Software Foundation,                 *
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 *   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.        *
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 *                                                                         *
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 ***************************************************************************
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  Author: Mattias Gaertner
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  Abstract:
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    Simple demonstration, how to setup the codetools, FPC and Lazarus Source
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    directory to remove empty methods.
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}
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program RemoveEmptyMethods;
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{$mode objfpc}{$H+}
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uses
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  Classes, SysUtils, CodeCache, CodeToolManager, CodeToolsStructs,
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  EmptyMethods1;
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const
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  ConfigFilename = 'codetools.config';
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var
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  Code: TCodeBuffer;
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  X: Integer;
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  Y: Integer;
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  Filename: String;
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  ListOfPCodeXYPosition: TFPList;
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  i: Integer;
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  P: PCodeXYPosition;
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  All: boolean;
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  Sections: TPascalClassSections;
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  RemovedProcHeads: TStrings;
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begin
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  if (ParamCount>=1) and (Paramcount<>3) then begin
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    writeln('Usage:');
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    writeln('  ',ParamStr(0));
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    writeln('  ',ParamStr(0),' <filename> <X> <Y>');
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  end;
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  try
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    CodeToolBoss.SimpleInit(ConfigFilename);
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    X:=10;
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    Y:=22;
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    Filename:=ExpandFileName('scanexamples'+PathDelim+'emptymethods1.pas');
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    if (ParamCount>=3) then begin
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      Filename:=ExpandFileName(ParamStr(1));
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      X:=StrToInt(ParamStr(2));
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      Y:=StrToInt(ParamStr(3));
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    end;
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    // Step 1: load the file
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    Code:=CodeToolBoss.LoadFile(Filename,false,false);
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    if Code=nil then
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      raise Exception.Create('loading failed '+Filename);
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    // complete code
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    ListOfPCodeXYPosition:=TFPList.Create;
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    Sections:=[pcsPublished,pcsPrivate,pcsProtected,pcsPublic];
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    if CodeToolBoss.FindEmptyMethods(Code,'',X,Y,Sections,ListOfPCodeXYPosition,All)
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    then begin
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      writeln('Found ',ListOfPCodeXYPosition.Count,' empty methods (All=',All,'):');
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      for i:=0 to ListOfPCodeXYPosition.Count-1 do begin
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        P:=PCodeXYPosition(ListOfPCodeXYPosition[i]);
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        writeln(i,' ',Dbgs(P^));
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      end;
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      if CodeToolBoss.RemoveEmptyMethods(Code,'',X,Y,Sections,All,[],RemovedProcHeads)
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      then begin
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        writeln('Empty methods removed:');
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        if RemovedProcHeads<>nil then
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          writeln(RemovedProcHeads.Text);
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        writeln('=========================');
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        writeln(Code.Source);
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        writeln('=========================');
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      end else begin
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        writeln('RemoveEmptyMethods failed: ',CodeToolBoss.ErrorMessage);
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      end;
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      RemovedProcHeads.Free;
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    end else begin
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      writeln('FindEmptyMethods failed: ',CodeToolBoss.ErrorMessage);
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    end;
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    CodeToolBoss.FreeListOfPCodeXYPosition(ListOfPCodeXYPosition);
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  except
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    on E: Exception do begin
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      writeln('EXCEPTION: '+E.Message);
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    end;
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  end;
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end.
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