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