mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-05-03 06:23:43 +02:00
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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