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			65 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			2.4 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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| 
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|   Author: Mattias Gaertner
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| 
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|   Abstract:
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|     Demonstration of how to reduce IFDEFs in a source file.
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| }
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| program ReduceIFDEFs;
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| 
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| {$mode objfpc}{$H+}
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| 
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| uses
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|   SysUtils, CodeCache, CodeToolManager, DirectivesTree;
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|   
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| var
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|   Filename: string;
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|   Code: TCodeBuffer;
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|   Tree: TCompilerDirectivesTree;
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|   Changed: Boolean;
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| begin
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|   // load the file
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|   if ParamCount>=1 then
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|     Filename:=ExpandFileName(ParamStr(1))
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|   else
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|     Filename:=ExpandFileName(SetDirSeparators('scanexamples/uglyifdefs.pas'));
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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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| 
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|   // parse directives
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|   Tree:=TCompilerDirectivesTree.Create;
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|   Tree.Parse(Code,CodeToolBoss.GetNestedCommentsFlagForFile(Code.Filename));
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| 
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|   // complete reduce
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|   repeat
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|     Changed:=false;
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|     Tree.ReduceCompilerDirectives(nil,nil,Changed);
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|     Tree.WriteDebugReport;
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|   until not Changed;
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| 
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|   // write the new source:
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|   writeln('-----------------------------------');
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|   writeln(Code.Source);
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|   writeln('-----------------------------------');
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| end.
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| 
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