lazarus/components/codetools/examples/removewith.lpr

77 lines
2.7 KiB
ObjectPascal

{
***************************************************************************
* *
* 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:
Demonstration how to remove a with block.
}
program RemoveWith;
{$mode objfpc}{$H+}
uses
SysUtils, CodeCache, CodeToolManager, LazUTF8,
RemoveWith1;
const
ConfigFilename = 'codetools.config';
var
Filename: string;
Code: TCodeBuffer;
X: Integer;
Y: Integer;
begin
if (ParamCount>=1) and (Paramcount<>3) then begin
writeln('Usage:');
writeln(' ',ParamStr(0));
writeln(' ',ParamStr(0),' <filename> <X> <Y>');
writeln(' ',ParamStr(0),' scanexamples/removewith1.pas 19 38');
end;
CodeToolBoss.SimpleInit(ConfigFilename);
// load the file
Filename:='scanexamples/removewith1.pas';
X:=19;
Y:=38;
if Paramcount=3 then begin
Filename:=ParamStrUTF8(1);
X:=StrToIntDef(ParamStrUTF8(2),1);
Y:=StrToIntDef(ParamStrUTF8(3),1);
end;
Filename:=ExpandFileName(SetDirSeparators(Filename));
Code:=CodeToolBoss.LoadFile(Filename,false,false);
if Code=nil then
raise Exception.Create('loading failed: '+Filename);
// parse the unit and remove the with variable
if not CodeToolBoss.RemoveWithBlock(Code,X,Y) then
raise Exception.Create('RemoveWithBlock failed');
// write the new source:
writeln('-----------------------------------');
writeln('New source:');
writeln(Code.Source);
writeln('-----------------------------------');
end.