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66 lines
2.4 KiB
ObjectPascal
66 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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Author: Mattias Gaertner
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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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{$mode objfpc}{$H+}
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uses
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Classes, SysUtils, CodeCache, CodeToolManager, FileProcs,
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CodeTree, DirectivesTree;
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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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// parse directives
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Tree:=TCompilerDirectivesTree.Create;
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Tree.Parse(Code,CodeToolBoss.GetNestedCommentsFlagForFile(Code.Filename));
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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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// 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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